diff options
36 files changed, 1899 insertions, 415 deletions
diff --git a/.bumpversion.cfg b/.bumpversion.cfg index 99e5def8..7ecebcd9 100644 --- a/.bumpversion.cfg +++ b/.bumpversion.cfg @@ -1,5 +1,5 @@ [bumpversion] -current_version = 49.3.0 +current_version = 49.5.0 commit = True tag = True diff --git a/CHANGES.rst b/CHANGES.rst index da0eada3..534e15a8 100644 --- a/CHANGES.rst +++ b/CHANGES.rst @@ -1,3 +1,30 @@ +v49.5.0 +------- + +* #2306: When running as a PEP 517 backend, setuptools does not try to install + ``setup_requires`` itself. They are reported as build requirements for the + frontend to install. + + +v49.4.0 +------- + +* #2310: Updated vendored packaging version to 20.4. + + +v49.3.2 +------- + +* #2300: Improve the ``safe_version`` function documentation +* #2297: Once again, in stubs prefer exec_module to the deprecated load_module. + + +v49.3.1 +------- + +* #2316: Removed warning when ``distutils`` is imported before ``setuptools`` when ``distutils`` replacement is not enabled. + + v49.3.0 ------- diff --git a/_distutils_hack/__init__.py b/_distutils_hack/__init__.py index e2adabd8..814ee97e 100644 --- a/_distutils_hack/__init__.py +++ b/_distutils_hack/__init__.py @@ -16,9 +16,12 @@ def warn_distutils_present(): # https://foss.heptapod.net/pypy/pypy/-/blob/be829135bc0d758997b3566062999ee8b23872b4/lib-python/3/site.py#L250 return warnings.warn( - "Distutils was imported before Setuptools. This usage is discouraged " - "and may exhibit undesirable behaviors or errors. Please use " - "Setuptools' objects directly or at least import Setuptools first.") + "Distutils was imported before Setuptools, but importing Setuptools " + "also replaces the `distutils` module in `sys.modules`. This may lead " + "to undesirable behaviors or errors. To avoid these issues, avoid " + "using distutils directly, ensure that setuptools is installed in the " + "traditional way (e.g. not an editable install), and/or make sure that " + "setuptools is always imported before distutils.") def clear_distutils(): @@ -56,8 +59,8 @@ def do_override(): See https://github.com/pypa/setuptools/issues/417#issuecomment-392298401 for more motivation. """ - warn_distutils_present() if enabled(): + warn_distutils_present() ensure_local_distutils() diff --git a/changelog.d/2129.change.rst b/changelog.d/2129.change.rst new file mode 100644 index 00000000..b7d38862 --- /dev/null +++ b/changelog.d/2129.change.rst @@ -0,0 +1 @@ +In pkg_resources, no longer detect any pathname ending in .egg as a Python egg. Now the path must be an unpacked egg or a zip file. diff --git a/docs/pkg_resources.txt b/docs/pkg_resources.txt index f2e554f4..7d0d8da9 100644 --- a/docs/pkg_resources.txt +++ b/docs/pkg_resources.txt @@ -1596,12 +1596,12 @@ Parsing Utilities See ``to_filename()``. ``safe_version(version)`` - This will return the normalized form of any PEP 440 version, if the version - string is not PEP 440 compatible than it is similar to ``safe_name()`` - except that spaces in the input become dots, and dots are allowed to exist - in the output. As with ``safe_name()``, if you are generating a filename - from this you should replace any "-" characters in the output with - underscores. + This will return the normalized form of any PEP 440 version. If the version + string is not PEP 440 compatible, this function behaves similar to + ``safe_name()`` except that spaces in the input become dots, and dots are + allowed to exist in the output. As with ``safe_name()``, if you are + generating a filename from this you should replace any "-" characters in + the output with underscores. ``safe_extra(extra)`` Return a "safe" form of an extra's name, suitable for use in a requirement diff --git a/docs/setuptools.txt b/docs/setuptools.txt index 7e0914b7..d60c87a0 100644 --- a/docs/setuptools.txt +++ b/docs/setuptools.txt @@ -1988,11 +1988,11 @@ boilerplate code in some cases. include_package_data = True packages = find: scripts = - bin/first.py - bin/second.py + bin/first.py + bin/second.py install_requires = - requests - importlib; python_version == "2.6" + requests + importlib; python_version == "2.6" [options.package_data] * = *.txt, *.rst @@ -2028,8 +2028,8 @@ Metadata and options are set in the config sections of the same name. [metadata] keywords = - one - two + one + two * In some cases, complex values can be provided in dedicated subsections for clarity. diff --git a/pkg_resources/__init__.py b/pkg_resources/__init__.py index 5927ef0d..b585e850 100644 --- a/pkg_resources/__init__.py +++ b/pkg_resources/__init__.py @@ -2056,7 +2056,10 @@ def find_on_path(importer, path_item, only=False): ) return - entries = safe_listdir(path_item) + entries = ( + os.path.join(path_item, child) + for child in safe_listdir(path_item) + ) # for performance, before sorting by version, # screen entries for only those that will yield @@ -2372,7 +2375,15 @@ def _is_egg_path(path): """ Determine if given path appears to be an egg. """ - return path.lower().endswith('.egg') + return _is_zip_egg(path) or _is_unpacked_egg(path) + + +def _is_zip_egg(path): + return ( + path.lower().endswith('.egg') and + os.path.isfile(path) and + zipfile.is_zipfile(path) + ) def _is_unpacked_egg(path): @@ -2380,7 +2391,7 @@ def _is_unpacked_egg(path): Determine if given path appears to be an unpacked egg. """ return ( - _is_egg_path(path) and + path.lower().endswith('.egg') and os.path.isfile(os.path.join(path, 'EGG-INFO', 'PKG-INFO')) ) diff --git a/pkg_resources/_vendor/packaging/__about__.py b/pkg_resources/_vendor/packaging/__about__.py index dc95138d..4d998578 100644 --- a/pkg_resources/_vendor/packaging/__about__.py +++ b/pkg_resources/_vendor/packaging/__about__.py @@ -18,10 +18,10 @@ __title__ = "packaging" __summary__ = "Core utilities for Python packages" __uri__ = "https://github.com/pypa/packaging" -__version__ = "19.2" +__version__ = "20.4" __author__ = "Donald Stufft and individual contributors" __email__ = "donald@stufft.io" -__license__ = "BSD or Apache License, Version 2.0" +__license__ = "BSD-2-Clause or Apache-2.0" __copyright__ = "Copyright 2014-2019 %s" % __author__ diff --git a/pkg_resources/_vendor/packaging/_compat.py b/pkg_resources/_vendor/packaging/_compat.py index 25da473c..e54bd4ed 100644 --- a/pkg_resources/_vendor/packaging/_compat.py +++ b/pkg_resources/_vendor/packaging/_compat.py @@ -5,6 +5,11 @@ from __future__ import absolute_import, division, print_function import sys +from ._typing import TYPE_CHECKING + +if TYPE_CHECKING: # pragma: no cover + from typing import Any, Dict, Tuple, Type + PY2 = sys.version_info[0] == 2 PY3 = sys.version_info[0] == 3 @@ -18,14 +23,16 @@ else: def with_metaclass(meta, *bases): + # type: (Type[Any], Tuple[Type[Any], ...]) -> Any """ Create a base class with a metaclass. """ # This requires a bit of explanation: the basic idea is to make a dummy # metaclass for one level of class instantiation that replaces itself with # the actual metaclass. - class metaclass(meta): + class metaclass(meta): # type: ignore def __new__(cls, name, this_bases, d): + # type: (Type[Any], str, Tuple[Any], Dict[Any, Any]) -> Any return meta(name, bases, d) return type.__new__(metaclass, "temporary_class", (), {}) diff --git a/pkg_resources/_vendor/packaging/_structures.py b/pkg_resources/_vendor/packaging/_structures.py index 68dcca63..800d5c55 100644 --- a/pkg_resources/_vendor/packaging/_structures.py +++ b/pkg_resources/_vendor/packaging/_structures.py @@ -4,65 +4,83 @@ from __future__ import absolute_import, division, print_function -class Infinity(object): +class InfinityType(object): def __repr__(self): + # type: () -> str return "Infinity" def __hash__(self): + # type: () -> int return hash(repr(self)) def __lt__(self, other): + # type: (object) -> bool return False def __le__(self, other): + # type: (object) -> bool return False def __eq__(self, other): + # type: (object) -> bool return isinstance(other, self.__class__) def __ne__(self, other): + # type: (object) -> bool return not isinstance(other, self.__class__) def __gt__(self, other): + # type: (object) -> bool return True def __ge__(self, other): + # type: (object) -> bool return True def __neg__(self): + # type: (object) -> NegativeInfinityType return NegativeInfinity -Infinity = Infinity() +Infinity = InfinityType() -class NegativeInfinity(object): +class NegativeInfinityType(object): def __repr__(self): + # type: () -> str return "-Infinity" def __hash__(self): + # type: () -> int return hash(repr(self)) def __lt__(self, other): + # type: (object) -> bool return True def __le__(self, other): + # type: (object) -> bool return True def __eq__(self, other): + # type: (object) -> bool return isinstance(other, self.__class__) def __ne__(self, other): + # type: (object) -> bool return not isinstance(other, self.__class__) def __gt__(self, other): + # type: (object) -> bool return False def __ge__(self, other): + # type: (object) -> bool return False def __neg__(self): + # type: (object) -> InfinityType return Infinity -NegativeInfinity = NegativeInfinity() +NegativeInfinity = NegativeInfinityType() diff --git a/pkg_resources/_vendor/packaging/_typing.py b/pkg_resources/_vendor/packaging/_typing.py new file mode 100644 index 00000000..77a8b918 --- /dev/null +++ b/pkg_resources/_vendor/packaging/_typing.py @@ -0,0 +1,48 @@ +"""For neatly implementing static typing in packaging. + +`mypy` - the static type analysis tool we use - uses the `typing` module, which +provides core functionality fundamental to mypy's functioning. + +Generally, `typing` would be imported at runtime and used in that fashion - +it acts as a no-op at runtime and does not have any run-time overhead by +design. + +As it turns out, `typing` is not vendorable - it uses separate sources for +Python 2/Python 3. Thus, this codebase can not expect it to be present. +To work around this, mypy allows the typing import to be behind a False-y +optional to prevent it from running at runtime and type-comments can be used +to remove the need for the types to be accessible directly during runtime. + +This module provides the False-y guard in a nicely named fashion so that a +curious maintainer can reach here to read this. + +In packaging, all static-typing related imports should be guarded as follows: + + from packaging._typing import TYPE_CHECKING + + if TYPE_CHECKING: + from typing import ... + +Ref: https://github.com/python/mypy/issues/3216 +""" + +__all__ = ["TYPE_CHECKING", "cast"] + +# The TYPE_CHECKING constant defined by the typing module is False at runtime +# but True while type checking. +if False: # pragma: no cover + from typing import TYPE_CHECKING +else: + TYPE_CHECKING = False + +# typing's cast syntax requires calling typing.cast at runtime, but we don't +# want to import typing at runtime. Here, we inform the type checkers that +# we're importing `typing.cast` as `cast` and re-implement typing.cast's +# runtime behavior in a block that is ignored by type checkers. +if TYPE_CHECKING: # pragma: no cover + # not executed at runtime + from typing import cast +else: + # executed at runtime + def cast(type_, value): # noqa + return value diff --git a/pkg_resources/_vendor/packaging/markers.py b/pkg_resources/_vendor/packaging/markers.py index 733123fb..fd1559c1 100644 --- a/pkg_resources/_vendor/packaging/markers.py +++ b/pkg_resources/_vendor/packaging/markers.py @@ -13,8 +13,14 @@ from pkg_resources.extern.pyparsing import ZeroOrMore, Group, Forward, QuotedStr from pkg_resources.extern.pyparsing import Literal as L # noqa from ._compat import string_types +from ._typing import TYPE_CHECKING from .specifiers import Specifier, InvalidSpecifier +if TYPE_CHECKING: # pragma: no cover + from typing import Any, Callable, Dict, List, Optional, Tuple, Union + + Operator = Callable[[str, str], bool] + __all__ = [ "InvalidMarker", @@ -46,30 +52,37 @@ class UndefinedEnvironmentName(ValueError): class Node(object): def __init__(self, value): + # type: (Any) -> None self.value = value def __str__(self): + # type: () -> str return str(self.value) def __repr__(self): + # type: () -> str return "<{0}({1!r})>".format(self.__class__.__name__, str(self)) def serialize(self): + # type: () -> str raise NotImplementedError class Variable(Node): def serialize(self): + # type: () -> str return str(self) class Value(Node): def serialize(self): + # type: () -> str return '"{0}"'.format(self) class Op(Node): def serialize(self): + # type: () -> str return str(self) @@ -85,13 +98,13 @@ VARIABLE = ( | L("python_version") | L("sys_platform") | L("os_name") - | L("os.name") + | L("os.name") # PEP-345 | L("sys.platform") # PEP-345 | L("platform.version") # PEP-345 | L("platform.machine") # PEP-345 | L("platform.python_implementation") # PEP-345 - | L("python_implementation") # PEP-345 - | L("extra") # undocumented setuptools legacy + | L("python_implementation") # undocumented setuptools legacy + | L("extra") # PEP-508 ) ALIASES = { "os.name": "os_name", @@ -131,6 +144,7 @@ MARKER = stringStart + MARKER_EXPR + stringEnd def _coerce_parse_result(results): + # type: (Union[ParseResults, List[Any]]) -> List[Any] if isinstance(results, ParseResults): return [_coerce_parse_result(i) for i in results] else: @@ -138,6 +152,8 @@ def _coerce_parse_result(results): def _format_marker(marker, first=True): + # type: (Union[List[str], Tuple[Node, ...], str], Optional[bool]) -> str + assert isinstance(marker, (list, tuple, string_types)) # Sometimes we have a structure like [[...]] which is a single item list @@ -172,10 +188,11 @@ _operators = { "!=": operator.ne, ">=": operator.ge, ">": operator.gt, -} +} # type: Dict[str, Operator] def _eval_op(lhs, op, rhs): + # type: (str, Op, str) -> bool try: spec = Specifier("".join([op.serialize(), rhs])) except InvalidSpecifier: @@ -183,7 +200,7 @@ def _eval_op(lhs, op, rhs): else: return spec.contains(lhs) - oper = _operators.get(op.serialize()) + oper = _operators.get(op.serialize()) # type: Optional[Operator] if oper is None: raise UndefinedComparison( "Undefined {0!r} on {1!r} and {2!r}.".format(op, lhs, rhs) @@ -192,13 +209,18 @@ def _eval_op(lhs, op, rhs): return oper(lhs, rhs) -_undefined = object() +class Undefined(object): + pass + + +_undefined = Undefined() def _get_env(environment, name): - value = environment.get(name, _undefined) + # type: (Dict[str, str], str) -> str + value = environment.get(name, _undefined) # type: Union[str, Undefined] - if value is _undefined: + if isinstance(value, Undefined): raise UndefinedEnvironmentName( "{0!r} does not exist in evaluation environment.".format(name) ) @@ -207,7 +229,8 @@ def _get_env(environment, name): def _evaluate_markers(markers, environment): - groups = [[]] + # type: (List[Any], Dict[str, str]) -> bool + groups = [[]] # type: List[List[bool]] for marker in markers: assert isinstance(marker, (list, tuple, string_types)) @@ -234,6 +257,7 @@ def _evaluate_markers(markers, environment): def format_full_version(info): + # type: (sys._version_info) -> str version = "{0.major}.{0.minor}.{0.micro}".format(info) kind = info.releaselevel if kind != "final": @@ -242,9 +266,13 @@ def format_full_version(info): def default_environment(): + # type: () -> Dict[str, str] if hasattr(sys, "implementation"): - iver = format_full_version(sys.implementation.version) - implementation_name = sys.implementation.name + # Ignoring the `sys.implementation` reference for type checking due to + # mypy not liking that the attribute doesn't exist in Python 2.7 when + # run with the `--py27` flag. + iver = format_full_version(sys.implementation.version) # type: ignore + implementation_name = sys.implementation.name # type: ignore else: iver = "0" implementation_name = "" @@ -266,6 +294,7 @@ def default_environment(): class Marker(object): def __init__(self, marker): + # type: (str) -> None try: self._markers = _coerce_parse_result(MARKER.parseString(marker)) except ParseException as e: @@ -275,12 +304,15 @@ class Marker(object): raise InvalidMarker(err_str) def __str__(self): + # type: () -> str return _format_marker(self._markers) def __repr__(self): + # type: () -> str return "<Marker({0!r})>".format(str(self)) def evaluate(self, environment=None): + # type: (Optional[Dict[str, str]]) -> bool """Evaluate a marker. Return the boolean from evaluating the given marker against the diff --git a/pkg_resources/_vendor/packaging/py.typed b/pkg_resources/_vendor/packaging/py.typed new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/pkg_resources/_vendor/packaging/py.typed diff --git a/pkg_resources/_vendor/packaging/requirements.py b/pkg_resources/_vendor/packaging/requirements.py index c3424dcb..8282a632 100644 --- a/pkg_resources/_vendor/packaging/requirements.py +++ b/pkg_resources/_vendor/packaging/requirements.py @@ -11,9 +11,13 @@ from pkg_resources.extern.pyparsing import ZeroOrMore, Word, Optional, Regex, Co from pkg_resources.extern.pyparsing import Literal as L # noqa from pkg_resources.extern.six.moves.urllib import parse as urlparse +from ._typing import TYPE_CHECKING from .markers import MARKER_EXPR, Marker from .specifiers import LegacySpecifier, Specifier, SpecifierSet +if TYPE_CHECKING: # pragma: no cover + from typing import List + class InvalidRequirement(ValueError): """ @@ -89,6 +93,7 @@ class Requirement(object): # TODO: Can we normalize the name and extra name? def __init__(self, requirement_string): + # type: (str) -> None try: req = REQUIREMENT.parseString(requirement_string) except ParseException as e: @@ -116,7 +121,8 @@ class Requirement(object): self.marker = req.marker if req.marker else None def __str__(self): - parts = [self.name] + # type: () -> str + parts = [self.name] # type: List[str] if self.extras: parts.append("[{0}]".format(",".join(sorted(self.extras)))) @@ -135,4 +141,5 @@ class Requirement(object): return "".join(parts) def __repr__(self): + # type: () -> str return "<Requirement({0!r})>".format(str(self)) diff --git a/pkg_resources/_vendor/packaging/specifiers.py b/pkg_resources/_vendor/packaging/specifiers.py index 743576a0..fe09bb1d 100644 --- a/pkg_resources/_vendor/packaging/specifiers.py +++ b/pkg_resources/_vendor/packaging/specifiers.py @@ -9,8 +9,27 @@ import itertools import re from ._compat import string_types, with_metaclass +from ._typing import TYPE_CHECKING +from .utils import canonicalize_version from .version import Version, LegacyVersion, parse +if TYPE_CHECKING: # pragma: no cover + from typing import ( + List, + Dict, + Union, + Iterable, + Iterator, + Optional, + Callable, + Tuple, + FrozenSet, + ) + + ParsedVersion = Union[Version, LegacyVersion] + UnparsedVersion = Union[Version, LegacyVersion, str] + CallableOperator = Callable[[ParsedVersion, str], bool] + class InvalidSpecifier(ValueError): """ @@ -18,9 +37,10 @@ class InvalidSpecifier(ValueError): """ -class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): +class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): # type: ignore @abc.abstractmethod def __str__(self): + # type: () -> str """ Returns the str representation of this Specifier like object. This should be representative of the Specifier itself. @@ -28,12 +48,14 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @abc.abstractmethod def __hash__(self): + # type: () -> int """ Returns a hash value for this Specifier like object. """ @abc.abstractmethod def __eq__(self, other): + # type: (object) -> bool """ Returns a boolean representing whether or not the two Specifier like objects are equal. @@ -41,6 +63,7 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @abc.abstractmethod def __ne__(self, other): + # type: (object) -> bool """ Returns a boolean representing whether or not the two Specifier like objects are not equal. @@ -48,6 +71,7 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @abc.abstractproperty def prereleases(self): + # type: () -> Optional[bool] """ Returns whether or not pre-releases as a whole are allowed by this specifier. @@ -55,6 +79,7 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @prereleases.setter def prereleases(self, value): + # type: (bool) -> None """ Sets whether or not pre-releases as a whole are allowed by this specifier. @@ -62,12 +87,14 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @abc.abstractmethod def contains(self, item, prereleases=None): + # type: (str, Optional[bool]) -> bool """ Determines if the given item is contained within this specifier. """ @abc.abstractmethod def filter(self, iterable, prereleases=None): + # type: (Iterable[UnparsedVersion], Optional[bool]) -> Iterable[UnparsedVersion] """ Takes an iterable of items and filters them so that only items which are contained within this specifier are allowed in it. @@ -76,19 +103,24 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): class _IndividualSpecifier(BaseSpecifier): - _operators = {} + _operators = {} # type: Dict[str, str] def __init__(self, spec="", prereleases=None): + # type: (str, Optional[bool]) -> None match = self._regex.search(spec) if not match: raise InvalidSpecifier("Invalid specifier: '{0}'".format(spec)) - self._spec = (match.group("operator").strip(), match.group("version").strip()) + self._spec = ( + match.group("operator").strip(), + match.group("version").strip(), + ) # type: Tuple[str, str] # Store whether or not this Specifier should accept prereleases self._prereleases = prereleases def __repr__(self): + # type: () -> str pre = ( ", prereleases={0!r}".format(self.prereleases) if self._prereleases is not None @@ -98,26 +130,35 @@ class _IndividualSpecifier(BaseSpecifier): return "<{0}({1!r}{2})>".format(self.__class__.__name__, str(self), pre) def __str__(self): + # type: () -> str return "{0}{1}".format(*self._spec) + @property + def _canonical_spec(self): + # type: () -> Tuple[str, Union[Version, str]] + return self._spec[0], canonicalize_version(self._spec[1]) + def __hash__(self): - return hash(self._spec) + # type: () -> int + return hash(self._canonical_spec) def __eq__(self, other): + # type: (object) -> bool if isinstance(other, string_types): try: - other = self.__class__(other) + other = self.__class__(str(other)) except InvalidSpecifier: return NotImplemented elif not isinstance(other, self.__class__): return NotImplemented - return self._spec == other._spec + return self._canonical_spec == other._canonical_spec def __ne__(self, other): + # type: (object) -> bool if isinstance(other, string_types): try: - other = self.__class__(other) + other = self.__class__(str(other)) except InvalidSpecifier: return NotImplemented elif not isinstance(other, self.__class__): @@ -126,52 +167,67 @@ class _IndividualSpecifier(BaseSpecifier): return self._spec != other._spec def _get_operator(self, op): - return getattr(self, "_compare_{0}".format(self._operators[op])) + # type: (str) -> CallableOperator + operator_callable = getattr( + self, "_compare_{0}".format(self._operators[op]) + ) # type: CallableOperator + return operator_callable def _coerce_version(self, version): + # type: (UnparsedVersion) -> ParsedVersion if not isinstance(version, (LegacyVersion, Version)): version = parse(version) return version @property def operator(self): + # type: () -> str return self._spec[0] @property def version(self): + # type: () -> str return self._spec[1] @property def prereleases(self): + # type: () -> Optional[bool] return self._prereleases @prereleases.setter def prereleases(self, value): + # type: (bool) -> None self._prereleases = value def __contains__(self, item): + # type: (str) -> bool return self.contains(item) def contains(self, item, prereleases=None): + # type: (UnparsedVersion, Optional[bool]) -> bool + # Determine if prereleases are to be allowed or not. if prereleases is None: prereleases = self.prereleases # Normalize item to a Version or LegacyVersion, this allows us to have # a shortcut for ``"2.0" in Specifier(">=2") - item = self._coerce_version(item) + normalized_item = self._coerce_version(item) # Determine if we should be supporting prereleases in this specifier # or not, if we do not support prereleases than we can short circuit # logic if this version is a prereleases. - if item.is_prerelease and not prereleases: + if normalized_item.is_prerelease and not prereleases: return False # Actually do the comparison to determine if this item is contained # within this Specifier or not. - return self._get_operator(self.operator)(item, self.version) + operator_callable = self._get_operator(self.operator) # type: CallableOperator + return operator_callable(normalized_item, self.version) def filter(self, iterable, prereleases=None): + # type: (Iterable[UnparsedVersion], Optional[bool]) -> Iterable[UnparsedVersion] + yielded = False found_prereleases = [] @@ -230,32 +286,43 @@ class LegacySpecifier(_IndividualSpecifier): } def _coerce_version(self, version): + # type: (Union[ParsedVersion, str]) -> LegacyVersion if not isinstance(version, LegacyVersion): version = LegacyVersion(str(version)) return version def _compare_equal(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective == self._coerce_version(spec) def _compare_not_equal(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective != self._coerce_version(spec) def _compare_less_than_equal(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective <= self._coerce_version(spec) def _compare_greater_than_equal(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective >= self._coerce_version(spec) def _compare_less_than(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective < self._coerce_version(spec) def _compare_greater_than(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective > self._coerce_version(spec) -def _require_version_compare(fn): +def _require_version_compare( + fn # type: (Callable[[Specifier, ParsedVersion, str], bool]) +): + # type: (...) -> Callable[[Specifier, ParsedVersion, str], bool] @functools.wraps(fn) def wrapped(self, prospective, spec): + # type: (Specifier, ParsedVersion, str) -> bool if not isinstance(prospective, Version): return False return fn(self, prospective, spec) @@ -373,6 +440,8 @@ class Specifier(_IndividualSpecifier): @_require_version_compare def _compare_compatible(self, prospective, spec): + # type: (ParsedVersion, str) -> bool + # Compatible releases have an equivalent combination of >= and ==. That # is that ~=2.2 is equivalent to >=2.2,==2.*. This allows us to # implement this in terms of the other specifiers instead of @@ -400,56 +469,75 @@ class Specifier(_IndividualSpecifier): @_require_version_compare def _compare_equal(self, prospective, spec): + # type: (ParsedVersion, str) -> bool + # We need special logic to handle prefix matching if spec.endswith(".*"): # In the case of prefix matching we want to ignore local segment. prospective = Version(prospective.public) # Split the spec out by dots, and pretend that there is an implicit # dot in between a release segment and a pre-release segment. - spec = _version_split(spec[:-2]) # Remove the trailing .* + split_spec = _version_split(spec[:-2]) # Remove the trailing .* # Split the prospective version out by dots, and pretend that there # is an implicit dot in between a release segment and a pre-release # segment. - prospective = _version_split(str(prospective)) + split_prospective = _version_split(str(prospective)) # Shorten the prospective version to be the same length as the spec # so that we can determine if the specifier is a prefix of the # prospective version or not. - prospective = prospective[: len(spec)] + shortened_prospective = split_prospective[: len(split_spec)] # Pad out our two sides with zeros so that they both equal the same # length. - spec, prospective = _pad_version(spec, prospective) + padded_spec, padded_prospective = _pad_version( + split_spec, shortened_prospective + ) + + return padded_prospective == padded_spec else: # Convert our spec string into a Version - spec = Version(spec) + spec_version = Version(spec) # If the specifier does not have a local segment, then we want to # act as if the prospective version also does not have a local # segment. - if not spec.local: + if not spec_version.local: prospective = Version(prospective.public) - return prospective == spec + return prospective == spec_version @_require_version_compare def _compare_not_equal(self, prospective, spec): + # type: (ParsedVersion, str) -> bool return not self._compare_equal(prospective, spec) @_require_version_compare def _compare_less_than_equal(self, prospective, spec): - return prospective <= Version(spec) + # type: (ParsedVersion, str) -> bool + + # NB: Local version identifiers are NOT permitted in the version + # specifier, so local version labels can be universally removed from + # the prospective version. + return Version(prospective.public) <= Version(spec) @_require_version_compare def _compare_greater_than_equal(self, prospective, spec): - return prospective >= Version(spec) + # type: (ParsedVersion, str) -> bool + + # NB: Local version identifiers are NOT permitted in the version + # specifier, so local version labels can be universally removed from + # the prospective version. + return Version(prospective.public) >= Version(spec) @_require_version_compare - def _compare_less_than(self, prospective, spec): + def _compare_less_than(self, prospective, spec_str): + # type: (ParsedVersion, str) -> bool + # Convert our spec to a Version instance, since we'll want to work with # it as a version. - spec = Version(spec) + spec = Version(spec_str) # Check to see if the prospective version is less than the spec # version. If it's not we can short circuit and just return False now @@ -471,10 +559,12 @@ class Specifier(_IndividualSpecifier): return True @_require_version_compare - def _compare_greater_than(self, prospective, spec): + def _compare_greater_than(self, prospective, spec_str): + # type: (ParsedVersion, str) -> bool + # Convert our spec to a Version instance, since we'll want to work with # it as a version. - spec = Version(spec) + spec = Version(spec_str) # Check to see if the prospective version is greater than the spec # version. If it's not we can short circuit and just return False now @@ -502,10 +592,13 @@ class Specifier(_IndividualSpecifier): return True def _compare_arbitrary(self, prospective, spec): + # type: (Version, str) -> bool return str(prospective).lower() == str(spec).lower() @property def prereleases(self): + # type: () -> bool + # If there is an explicit prereleases set for this, then we'll just # blindly use that. if self._prereleases is not None: @@ -530,6 +623,7 @@ class Specifier(_IndividualSpecifier): @prereleases.setter def prereleases(self, value): + # type: (bool) -> None self._prereleases = value @@ -537,7 +631,8 @@ _prefix_regex = re.compile(r"^([0-9]+)((?:a|b|c|rc)[0-9]+)$") def _version_split(version): - result = [] + # type: (str) -> List[str] + result = [] # type: List[str] for item in version.split("."): match = _prefix_regex.search(item) if match: @@ -548,6 +643,7 @@ def _version_split(version): def _pad_version(left, right): + # type: (List[str], List[str]) -> Tuple[List[str], List[str]] left_split, right_split = [], [] # Get the release segment of our versions @@ -567,14 +663,16 @@ def _pad_version(left, right): class SpecifierSet(BaseSpecifier): def __init__(self, specifiers="", prereleases=None): - # Split on , to break each indidivual specifier into it's own item, and + # type: (str, Optional[bool]) -> None + + # Split on , to break each individual specifier into it's own item, and # strip each item to remove leading/trailing whitespace. - specifiers = [s.strip() for s in specifiers.split(",") if s.strip()] + split_specifiers = [s.strip() for s in specifiers.split(",") if s.strip()] # Parsed each individual specifier, attempting first to make it a # Specifier and falling back to a LegacySpecifier. parsed = set() - for specifier in specifiers: + for specifier in split_specifiers: try: parsed.add(Specifier(specifier)) except InvalidSpecifier: @@ -588,6 +686,7 @@ class SpecifierSet(BaseSpecifier): self._prereleases = prereleases def __repr__(self): + # type: () -> str pre = ( ", prereleases={0!r}".format(self.prereleases) if self._prereleases is not None @@ -597,12 +696,15 @@ class SpecifierSet(BaseSpecifier): return "<SpecifierSet({0!r}{1})>".format(str(self), pre) def __str__(self): + # type: () -> str return ",".join(sorted(str(s) for s in self._specs)) def __hash__(self): + # type: () -> int return hash(self._specs) def __and__(self, other): + # type: (Union[SpecifierSet, str]) -> SpecifierSet if isinstance(other, string_types): other = SpecifierSet(other) elif not isinstance(other, SpecifierSet): @@ -626,9 +728,8 @@ class SpecifierSet(BaseSpecifier): return specifier def __eq__(self, other): - if isinstance(other, string_types): - other = SpecifierSet(other) - elif isinstance(other, _IndividualSpecifier): + # type: (object) -> bool + if isinstance(other, (string_types, _IndividualSpecifier)): other = SpecifierSet(str(other)) elif not isinstance(other, SpecifierSet): return NotImplemented @@ -636,9 +737,8 @@ class SpecifierSet(BaseSpecifier): return self._specs == other._specs def __ne__(self, other): - if isinstance(other, string_types): - other = SpecifierSet(other) - elif isinstance(other, _IndividualSpecifier): + # type: (object) -> bool + if isinstance(other, (string_types, _IndividualSpecifier)): other = SpecifierSet(str(other)) elif not isinstance(other, SpecifierSet): return NotImplemented @@ -646,13 +746,17 @@ class SpecifierSet(BaseSpecifier): return self._specs != other._specs def __len__(self): + # type: () -> int return len(self._specs) def __iter__(self): + # type: () -> Iterator[FrozenSet[_IndividualSpecifier]] return iter(self._specs) @property def prereleases(self): + # type: () -> Optional[bool] + # If we have been given an explicit prerelease modifier, then we'll # pass that through here. if self._prereleases is not None: @@ -670,12 +774,16 @@ class SpecifierSet(BaseSpecifier): @prereleases.setter def prereleases(self, value): + # type: (bool) -> None self._prereleases = value def __contains__(self, item): + # type: (Union[ParsedVersion, str]) -> bool return self.contains(item) def contains(self, item, prereleases=None): + # type: (Union[ParsedVersion, str], Optional[bool]) -> bool + # Ensure that our item is a Version or LegacyVersion instance. if not isinstance(item, (LegacyVersion, Version)): item = parse(item) @@ -701,7 +809,13 @@ class SpecifierSet(BaseSpecifier): # will always return True, this is an explicit design decision. return all(s.contains(item, prereleases=prereleases) for s in self._specs) - def filter(self, iterable, prereleases=None): + def filter( + self, + iterable, # type: Iterable[Union[ParsedVersion, str]] + prereleases=None, # type: Optional[bool] + ): + # type: (...) -> Iterable[Union[ParsedVersion, str]] + # Determine if we're forcing a prerelease or not, if we're not forcing # one for this particular filter call, then we'll use whatever the # SpecifierSet thinks for whether or not we should support prereleases. @@ -719,8 +833,8 @@ class SpecifierSet(BaseSpecifier): # which will filter out any pre-releases, unless there are no final # releases, and which will filter out LegacyVersion in general. else: - filtered = [] - found_prereleases = [] + filtered = [] # type: List[Union[ParsedVersion, str]] + found_prereleases = [] # type: List[Union[ParsedVersion, str]] for item in iterable: # Ensure that we some kind of Version class for this item. diff --git a/pkg_resources/_vendor/packaging/tags.py b/pkg_resources/_vendor/packaging/tags.py index ec9942f0..9064910b 100644 --- a/pkg_resources/_vendor/packaging/tags.py +++ b/pkg_resources/_vendor/packaging/tags.py @@ -13,12 +13,37 @@ except ImportError: # pragma: no cover EXTENSION_SUFFIXES = [x[0] for x in imp.get_suffixes()] del imp +import logging +import os import platform import re +import struct import sys import sysconfig import warnings +from ._typing import TYPE_CHECKING, cast + +if TYPE_CHECKING: # pragma: no cover + from typing import ( + Dict, + FrozenSet, + IO, + Iterable, + Iterator, + List, + Optional, + Sequence, + Tuple, + Union, + ) + + PythonVersion = Sequence[int] + MacVersion = Tuple[int, int] + GlibcVersion = Tuple[int, int] + + +logger = logging.getLogger(__name__) INTERPRETER_SHORT_NAMES = { "python": "py", # Generic. @@ -26,34 +51,48 @@ INTERPRETER_SHORT_NAMES = { "pypy": "pp", "ironpython": "ip", "jython": "jy", -} +} # type: Dict[str, str] _32_BIT_INTERPRETER = sys.maxsize <= 2 ** 32 class Tag(object): + """ + A representation of the tag triple for a wheel. + + Instances are considered immutable and thus are hashable. Equality checking + is also supported. + """ __slots__ = ["_interpreter", "_abi", "_platform"] def __init__(self, interpreter, abi, platform): + # type: (str, str, str) -> None self._interpreter = interpreter.lower() self._abi = abi.lower() self._platform = platform.lower() @property def interpreter(self): + # type: () -> str return self._interpreter @property def abi(self): + # type: () -> str return self._abi @property def platform(self): + # type: () -> str return self._platform def __eq__(self, other): + # type: (object) -> bool + if not isinstance(other, Tag): + return NotImplemented + return ( (self.platform == other.platform) and (self.abi == other.abi) @@ -61,16 +100,26 @@ class Tag(object): ) def __hash__(self): + # type: () -> int return hash((self._interpreter, self._abi, self._platform)) def __str__(self): + # type: () -> str return "{}-{}-{}".format(self._interpreter, self._abi, self._platform) def __repr__(self): + # type: () -> str return "<{self} @ {self_id}>".format(self=self, self_id=id(self)) def parse_tag(tag): + # type: (str) -> FrozenSet[Tag] + """ + Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances. + + Returning a set is required due to the possibility that the tag is a + compressed tag set. + """ tags = set() interpreters, abis, platforms = tag.split("-") for interpreter in interpreters.split("."): @@ -80,20 +129,54 @@ def parse_tag(tag): return frozenset(tags) +def _warn_keyword_parameter(func_name, kwargs): + # type: (str, Dict[str, bool]) -> bool + """ + Backwards-compatibility with Python 2.7 to allow treating 'warn' as keyword-only. + """ + if not kwargs: + return False + elif len(kwargs) > 1 or "warn" not in kwargs: + kwargs.pop("warn", None) + arg = next(iter(kwargs.keys())) + raise TypeError( + "{}() got an unexpected keyword argument {!r}".format(func_name, arg) + ) + return kwargs["warn"] + + +def _get_config_var(name, warn=False): + # type: (str, bool) -> Union[int, str, None] + value = sysconfig.get_config_var(name) + if value is None and warn: + logger.debug( + "Config variable '%s' is unset, Python ABI tag may be incorrect", name + ) + return value + + def _normalize_string(string): + # type: (str) -> str return string.replace(".", "_").replace("-", "_") -def _cpython_interpreter(py_version): - # TODO: Is using py_version_nodot for interpreter version critical? - return "cp{major}{minor}".format(major=py_version[0], minor=py_version[1]) +def _abi3_applies(python_version): + # type: (PythonVersion) -> bool + """ + Determine if the Python version supports abi3. + + PEP 384 was first implemented in Python 3.2. + """ + return len(python_version) > 1 and tuple(python_version) >= (3, 2) -def _cpython_abis(py_version): +def _cpython_abis(py_version, warn=False): + # type: (PythonVersion, bool) -> List[str] + py_version = tuple(py_version) # To allow for version comparison. abis = [] - version = "{}{}".format(*py_version[:2]) + version = _version_nodot(py_version[:2]) debug = pymalloc = ucs4 = "" - with_debug = sysconfig.get_config_var("Py_DEBUG") + with_debug = _get_config_var("Py_DEBUG", warn) has_refcount = hasattr(sys, "gettotalrefcount") # Windows doesn't set Py_DEBUG, so checking for support of debug-compiled # extension modules is the best option. @@ -102,11 +185,11 @@ def _cpython_abis(py_version): if with_debug or (with_debug is None and (has_refcount or has_ext)): debug = "d" if py_version < (3, 8): - with_pymalloc = sysconfig.get_config_var("WITH_PYMALLOC") + with_pymalloc = _get_config_var("WITH_PYMALLOC", warn) if with_pymalloc or with_pymalloc is None: pymalloc = "m" if py_version < (3, 3): - unicode_size = sysconfig.get_config_var("Py_UNICODE_SIZE") + unicode_size = _get_config_var("Py_UNICODE_SIZE", warn) if unicode_size == 4 or ( unicode_size is None and sys.maxunicode == 0x10FFFF ): @@ -124,86 +207,148 @@ def _cpython_abis(py_version): return abis -def _cpython_tags(py_version, interpreter, abis, platforms): +def cpython_tags( + python_version=None, # type: Optional[PythonVersion] + abis=None, # type: Optional[Iterable[str]] + platforms=None, # type: Optional[Iterable[str]] + **kwargs # type: bool +): + # type: (...) -> Iterator[Tag] + """ + Yields the tags for a CPython interpreter. + + The tags consist of: + - cp<python_version>-<abi>-<platform> + - cp<python_version>-abi3-<platform> + - cp<python_version>-none-<platform> + - cp<less than python_version>-abi3-<platform> # Older Python versions down to 3.2. + + If python_version only specifies a major version then user-provided ABIs and + the 'none' ABItag will be used. + + If 'abi3' or 'none' are specified in 'abis' then they will be yielded at + their normal position and not at the beginning. + """ + warn = _warn_keyword_parameter("cpython_tags", kwargs) + if not python_version: + python_version = sys.version_info[:2] + + interpreter = "cp{}".format(_version_nodot(python_version[:2])) + + if abis is None: + if len(python_version) > 1: + abis = _cpython_abis(python_version, warn) + else: + abis = [] + abis = list(abis) + # 'abi3' and 'none' are explicitly handled later. + for explicit_abi in ("abi3", "none"): + try: + abis.remove(explicit_abi) + except ValueError: + pass + + platforms = list(platforms or _platform_tags()) for abi in abis: for platform_ in platforms: yield Tag(interpreter, abi, platform_) - for tag in (Tag(interpreter, "abi3", platform_) for platform_ in platforms): - yield tag + if _abi3_applies(python_version): + for tag in (Tag(interpreter, "abi3", platform_) for platform_ in platforms): + yield tag for tag in (Tag(interpreter, "none", platform_) for platform_ in platforms): yield tag - # PEP 384 was first implemented in Python 3.2. - for minor_version in range(py_version[1] - 1, 1, -1): - for platform_ in platforms: - interpreter = "cp{major}{minor}".format( - major=py_version[0], minor=minor_version - ) - yield Tag(interpreter, "abi3", platform_) - -def _pypy_interpreter(): - return "pp{py_major}{pypy_major}{pypy_minor}".format( - py_major=sys.version_info[0], - pypy_major=sys.pypy_version_info.major, - pypy_minor=sys.pypy_version_info.minor, - ) + if _abi3_applies(python_version): + for minor_version in range(python_version[1] - 1, 1, -1): + for platform_ in platforms: + interpreter = "cp{version}".format( + version=_version_nodot((python_version[0], minor_version)) + ) + yield Tag(interpreter, "abi3", platform_) def _generic_abi(): + # type: () -> Iterator[str] abi = sysconfig.get_config_var("SOABI") if abi: - return _normalize_string(abi) - else: - return "none" + yield _normalize_string(abi) -def _pypy_tags(py_version, interpreter, abi, platforms): - for tag in (Tag(interpreter, abi, platform) for platform in platforms): - yield tag - for tag in (Tag(interpreter, "none", platform) for platform in platforms): - yield tag +def generic_tags( + interpreter=None, # type: Optional[str] + abis=None, # type: Optional[Iterable[str]] + platforms=None, # type: Optional[Iterable[str]] + **kwargs # type: bool +): + # type: (...) -> Iterator[Tag] + """ + Yields the tags for a generic interpreter. + The tags consist of: + - <interpreter>-<abi>-<platform> -def _generic_tags(interpreter, py_version, abi, platforms): - for tag in (Tag(interpreter, abi, platform) for platform in platforms): - yield tag - if abi != "none": - tags = (Tag(interpreter, "none", platform_) for platform_ in platforms) - for tag in tags: - yield tag + The "none" ABI will be added if it was not explicitly provided. + """ + warn = _warn_keyword_parameter("generic_tags", kwargs) + if not interpreter: + interp_name = interpreter_name() + interp_version = interpreter_version(warn=warn) + interpreter = "".join([interp_name, interp_version]) + if abis is None: + abis = _generic_abi() + platforms = list(platforms or _platform_tags()) + abis = list(abis) + if "none" not in abis: + abis.append("none") + for abi in abis: + for platform_ in platforms: + yield Tag(interpreter, abi, platform_) def _py_interpreter_range(py_version): + # type: (PythonVersion) -> Iterator[str] """ - Yield Python versions in descending order. + Yields Python versions in descending order. After the latest version, the major-only version will be yielded, and then - all following versions up to 'end'. + all previous versions of that major version. """ - yield "py{major}{minor}".format(major=py_version[0], minor=py_version[1]) + if len(py_version) > 1: + yield "py{version}".format(version=_version_nodot(py_version[:2])) yield "py{major}".format(major=py_version[0]) - for minor in range(py_version[1] - 1, -1, -1): - yield "py{major}{minor}".format(major=py_version[0], minor=minor) + if len(py_version) > 1: + for minor in range(py_version[1] - 1, -1, -1): + yield "py{version}".format(version=_version_nodot((py_version[0], minor))) -def _independent_tags(interpreter, py_version, platforms): +def compatible_tags( + python_version=None, # type: Optional[PythonVersion] + interpreter=None, # type: Optional[str] + platforms=None, # type: Optional[Iterable[str]] +): + # type: (...) -> Iterator[Tag] """ - Return the sequence of tags that are consistent across implementations. + Yields the sequence of tags that are compatible with a specific version of Python. The tags consist of: - py*-none-<platform> - - <interpreter>-none-any + - <interpreter>-none-any # ... if `interpreter` is provided. - py*-none-any """ - for version in _py_interpreter_range(py_version): + if not python_version: + python_version = sys.version_info[:2] + platforms = list(platforms or _platform_tags()) + for version in _py_interpreter_range(python_version): for platform_ in platforms: yield Tag(version, "none", platform_) - yield Tag(interpreter, "none", "any") - for version in _py_interpreter_range(py_version): + if interpreter: + yield Tag(interpreter, "none", "any") + for version in _py_interpreter_range(python_version): yield Tag(version, "none", "any") def _mac_arch(arch, is_32bit=_32_BIT_INTERPRETER): + # type: (str, bool) -> str if not is_32bit: return arch @@ -214,6 +359,7 @@ def _mac_arch(arch, is_32bit=_32_BIT_INTERPRETER): def _mac_binary_formats(version, cpu_arch): + # type: (MacVersion, str) -> List[str] formats = [cpu_arch] if cpu_arch == "x86_64": if version < (10, 4): @@ -240,32 +386,42 @@ def _mac_binary_formats(version, cpu_arch): return formats -def _mac_platforms(version=None, arch=None): - version_str, _, cpu_arch = platform.mac_ver() +def mac_platforms(version=None, arch=None): + # type: (Optional[MacVersion], Optional[str]) -> Iterator[str] + """ + Yields the platform tags for a macOS system. + + The `version` parameter is a two-item tuple specifying the macOS version to + generate platform tags for. The `arch` parameter is the CPU architecture to + generate platform tags for. Both parameters default to the appropriate value + for the current system. + """ + version_str, _, cpu_arch = platform.mac_ver() # type: ignore if version is None: - version = tuple(map(int, version_str.split(".")[:2])) + version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2]))) + else: + version = version if arch is None: arch = _mac_arch(cpu_arch) - platforms = [] + else: + arch = arch for minor_version in range(version[1], -1, -1): compat_version = version[0], minor_version binary_formats = _mac_binary_formats(compat_version, arch) for binary_format in binary_formats: - platforms.append( - "macosx_{major}_{minor}_{binary_format}".format( - major=compat_version[0], - minor=compat_version[1], - binary_format=binary_format, - ) + yield "macosx_{major}_{minor}_{binary_format}".format( + major=compat_version[0], + minor=compat_version[1], + binary_format=binary_format, ) - return platforms # From PEP 513. def _is_manylinux_compatible(name, glibc_version): + # type: (str, GlibcVersion) -> bool # Check for presence of _manylinux module. try: - import _manylinux + import _manylinux # noqa return bool(getattr(_manylinux, name + "_compatible")) except (ImportError, AttributeError): @@ -276,14 +432,50 @@ def _is_manylinux_compatible(name, glibc_version): def _glibc_version_string(): + # type: () -> Optional[str] # Returns glibc version string, or None if not using glibc. - import ctypes + return _glibc_version_string_confstr() or _glibc_version_string_ctypes() + + +def _glibc_version_string_confstr(): + # type: () -> Optional[str] + """ + Primary implementation of glibc_version_string using os.confstr. + """ + # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely + # to be broken or missing. This strategy is used in the standard library + # platform module. + # https://github.com/python/cpython/blob/fcf1d003bf4f0100c9d0921ff3d70e1127ca1b71/Lib/platform.py#L175-L183 + try: + # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17". + version_string = os.confstr( # type: ignore[attr-defined] # noqa: F821 + "CS_GNU_LIBC_VERSION" + ) + assert version_string is not None + _, version = version_string.split() # type: Tuple[str, str] + except (AssertionError, AttributeError, OSError, ValueError): + # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)... + return None + return version + + +def _glibc_version_string_ctypes(): + # type: () -> Optional[str] + """ + Fallback implementation of glibc_version_string using ctypes. + """ + try: + import ctypes + except ImportError: + return None # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen # manpage says, "If filename is NULL, then the returned handle is for the # main program". This way we can let the linker do the work to figure out # which libc our process is actually using. - process_namespace = ctypes.CDLL(None) + # + # Note: typeshed is wrong here so we are ignoring this line. + process_namespace = ctypes.CDLL(None) # type: ignore try: gnu_get_libc_version = process_namespace.gnu_get_libc_version except AttributeError: @@ -293,7 +485,7 @@ def _glibc_version_string(): # Call gnu_get_libc_version, which returns a string like "2.5" gnu_get_libc_version.restype = ctypes.c_char_p - version_str = gnu_get_libc_version() + version_str = gnu_get_libc_version() # type: str # py2 / py3 compatibility: if not isinstance(version_str, str): version_str = version_str.decode("ascii") @@ -303,6 +495,7 @@ def _glibc_version_string(): # Separated out from have_compatible_glibc for easier unit testing. def _check_glibc_version(version_str, required_major, minimum_minor): + # type: (str, int, int) -> bool # Parse string and check against requested version. # # We use a regexp instead of str.split because we want to discard any @@ -324,81 +517,235 @@ def _check_glibc_version(version_str, required_major, minimum_minor): def _have_compatible_glibc(required_major, minimum_minor): + # type: (int, int) -> bool version_str = _glibc_version_string() if version_str is None: return False return _check_glibc_version(version_str, required_major, minimum_minor) +# Python does not provide platform information at sufficient granularity to +# identify the architecture of the running executable in some cases, so we +# determine it dynamically by reading the information from the running +# process. This only applies on Linux, which uses the ELF format. +class _ELFFileHeader(object): + # https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header + class _InvalidELFFileHeader(ValueError): + """ + An invalid ELF file header was found. + """ + + ELF_MAGIC_NUMBER = 0x7F454C46 + ELFCLASS32 = 1 + ELFCLASS64 = 2 + ELFDATA2LSB = 1 + ELFDATA2MSB = 2 + EM_386 = 3 + EM_S390 = 22 + EM_ARM = 40 + EM_X86_64 = 62 + EF_ARM_ABIMASK = 0xFF000000 + EF_ARM_ABI_VER5 = 0x05000000 + EF_ARM_ABI_FLOAT_HARD = 0x00000400 + + def __init__(self, file): + # type: (IO[bytes]) -> None + def unpack(fmt): + # type: (str) -> int + try: + (result,) = struct.unpack( + fmt, file.read(struct.calcsize(fmt)) + ) # type: (int, ) + except struct.error: + raise _ELFFileHeader._InvalidELFFileHeader() + return result + + self.e_ident_magic = unpack(">I") + if self.e_ident_magic != self.ELF_MAGIC_NUMBER: + raise _ELFFileHeader._InvalidELFFileHeader() + self.e_ident_class = unpack("B") + if self.e_ident_class not in {self.ELFCLASS32, self.ELFCLASS64}: + raise _ELFFileHeader._InvalidELFFileHeader() + self.e_ident_data = unpack("B") + if self.e_ident_data not in {self.ELFDATA2LSB, self.ELFDATA2MSB}: + raise _ELFFileHeader._InvalidELFFileHeader() + self.e_ident_version = unpack("B") + self.e_ident_osabi = unpack("B") + self.e_ident_abiversion = unpack("B") + self.e_ident_pad = file.read(7) + format_h = "<H" if self.e_ident_data == self.ELFDATA2LSB else ">H" + format_i = "<I" if self.e_ident_data == self.ELFDATA2LSB else ">I" + format_q = "<Q" if self.e_ident_data == self.ELFDATA2LSB else ">Q" + format_p = format_i if self.e_ident_class == self.ELFCLASS32 else format_q + self.e_type = unpack(format_h) + self.e_machine = unpack(format_h) + self.e_version = unpack(format_i) + self.e_entry = unpack(format_p) + self.e_phoff = unpack(format_p) + self.e_shoff = unpack(format_p) + self.e_flags = unpack(format_i) + self.e_ehsize = unpack(format_h) + self.e_phentsize = unpack(format_h) + self.e_phnum = unpack(format_h) + self.e_shentsize = unpack(format_h) + self.e_shnum = unpack(format_h) + self.e_shstrndx = unpack(format_h) + + +def _get_elf_header(): + # type: () -> Optional[_ELFFileHeader] + try: + with open(sys.executable, "rb") as f: + elf_header = _ELFFileHeader(f) + except (IOError, OSError, TypeError, _ELFFileHeader._InvalidELFFileHeader): + return None + return elf_header + + +def _is_linux_armhf(): + # type: () -> bool + # hard-float ABI can be detected from the ELF header of the running + # process + # https://static.docs.arm.com/ihi0044/g/aaelf32.pdf + elf_header = _get_elf_header() + if elf_header is None: + return False + result = elf_header.e_ident_class == elf_header.ELFCLASS32 + result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB + result &= elf_header.e_machine == elf_header.EM_ARM + result &= ( + elf_header.e_flags & elf_header.EF_ARM_ABIMASK + ) == elf_header.EF_ARM_ABI_VER5 + result &= ( + elf_header.e_flags & elf_header.EF_ARM_ABI_FLOAT_HARD + ) == elf_header.EF_ARM_ABI_FLOAT_HARD + return result + + +def _is_linux_i686(): + # type: () -> bool + elf_header = _get_elf_header() + if elf_header is None: + return False + result = elf_header.e_ident_class == elf_header.ELFCLASS32 + result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB + result &= elf_header.e_machine == elf_header.EM_386 + return result + + +def _have_compatible_manylinux_abi(arch): + # type: (str) -> bool + if arch == "armv7l": + return _is_linux_armhf() + if arch == "i686": + return _is_linux_i686() + return True + + def _linux_platforms(is_32bit=_32_BIT_INTERPRETER): + # type: (bool) -> Iterator[str] linux = _normalize_string(distutils.util.get_platform()) - if linux == "linux_x86_64" and is_32bit: - linux = "linux_i686" - manylinux_support = ( - ("manylinux2014", (2, 17)), # CentOS 7 w/ glibc 2.17 (PEP 599) - ("manylinux2010", (2, 12)), # CentOS 6 w/ glibc 2.12 (PEP 571) - ("manylinux1", (2, 5)), # CentOS 5 w/ glibc 2.5 (PEP 513) - ) + if is_32bit: + if linux == "linux_x86_64": + linux = "linux_i686" + elif linux == "linux_aarch64": + linux = "linux_armv7l" + manylinux_support = [] + _, arch = linux.split("_", 1) + if _have_compatible_manylinux_abi(arch): + if arch in {"x86_64", "i686", "aarch64", "armv7l", "ppc64", "ppc64le", "s390x"}: + manylinux_support.append( + ("manylinux2014", (2, 17)) + ) # CentOS 7 w/ glibc 2.17 (PEP 599) + if arch in {"x86_64", "i686"}: + manylinux_support.append( + ("manylinux2010", (2, 12)) + ) # CentOS 6 w/ glibc 2.12 (PEP 571) + manylinux_support.append( + ("manylinux1", (2, 5)) + ) # CentOS 5 w/ glibc 2.5 (PEP 513) manylinux_support_iter = iter(manylinux_support) for name, glibc_version in manylinux_support_iter: if _is_manylinux_compatible(name, glibc_version): - platforms = [linux.replace("linux", name)] + yield linux.replace("linux", name) break - else: - platforms = [] # Support for a later manylinux implies support for an earlier version. - platforms += [linux.replace("linux", name) for name, _ in manylinux_support_iter] - platforms.append(linux) - return platforms + for name, _ in manylinux_support_iter: + yield linux.replace("linux", name) + yield linux def _generic_platforms(): - platform = _normalize_string(distutils.util.get_platform()) - return [platform] + # type: () -> Iterator[str] + yield _normalize_string(distutils.util.get_platform()) -def _interpreter_name(): - name = platform.python_implementation().lower() +def _platform_tags(): + # type: () -> Iterator[str] + """ + Provides the platform tags for this installation. + """ + if platform.system() == "Darwin": + return mac_platforms() + elif platform.system() == "Linux": + return _linux_platforms() + else: + return _generic_platforms() + + +def interpreter_name(): + # type: () -> str + """ + Returns the name of the running interpreter. + """ + try: + name = sys.implementation.name # type: ignore + except AttributeError: # pragma: no cover + # Python 2.7 compatibility. + name = platform.python_implementation().lower() return INTERPRETER_SHORT_NAMES.get(name) or name -def _generic_interpreter(name, py_version): - version = sysconfig.get_config_var("py_version_nodot") - if not version: - version = "".join(map(str, py_version[:2])) - return "{name}{version}".format(name=name, version=version) +def interpreter_version(**kwargs): + # type: (bool) -> str + """ + Returns the version of the running interpreter. + """ + warn = _warn_keyword_parameter("interpreter_version", kwargs) + version = _get_config_var("py_version_nodot", warn=warn) + if version: + version = str(version) + else: + version = _version_nodot(sys.version_info[:2]) + return version + + +def _version_nodot(version): + # type: (PythonVersion) -> str + if any(v >= 10 for v in version): + sep = "_" + else: + sep = "" + return sep.join(map(str, version)) -def sys_tags(): +def sys_tags(**kwargs): + # type: (bool) -> Iterator[Tag] """ Returns the sequence of tag triples for the running interpreter. The order of the sequence corresponds to priority order for the interpreter, from most to least important. """ - py_version = sys.version_info[:2] - interpreter_name = _interpreter_name() - if platform.system() == "Darwin": - platforms = _mac_platforms() - elif platform.system() == "Linux": - platforms = _linux_platforms() - else: - platforms = _generic_platforms() + warn = _warn_keyword_parameter("sys_tags", kwargs) - if interpreter_name == "cp": - interpreter = _cpython_interpreter(py_version) - abis = _cpython_abis(py_version) - for tag in _cpython_tags(py_version, interpreter, abis, platforms): - yield tag - elif interpreter_name == "pp": - interpreter = _pypy_interpreter() - abi = _generic_abi() - for tag in _pypy_tags(py_version, interpreter, abi, platforms): + interp_name = interpreter_name() + if interp_name == "cp": + for tag in cpython_tags(warn=warn): yield tag else: - interpreter = _generic_interpreter(interpreter_name, py_version) - abi = _generic_abi() - for tag in _generic_tags(interpreter, py_version, abi, platforms): + for tag in generic_tags(): yield tag - for tag in _independent_tags(interpreter, py_version, platforms): + + for tag in compatible_tags(): yield tag diff --git a/pkg_resources/_vendor/packaging/utils.py b/pkg_resources/_vendor/packaging/utils.py index 88418786..19579c1a 100644 --- a/pkg_resources/_vendor/packaging/utils.py +++ b/pkg_resources/_vendor/packaging/utils.py @@ -5,28 +5,36 @@ from __future__ import absolute_import, division, print_function import re +from ._typing import TYPE_CHECKING, cast from .version import InvalidVersion, Version +if TYPE_CHECKING: # pragma: no cover + from typing import NewType, Union + + NormalizedName = NewType("NormalizedName", str) _canonicalize_regex = re.compile(r"[-_.]+") def canonicalize_name(name): + # type: (str) -> NormalizedName # This is taken from PEP 503. - return _canonicalize_regex.sub("-", name).lower() + value = _canonicalize_regex.sub("-", name).lower() + return cast("NormalizedName", value) -def canonicalize_version(version): +def canonicalize_version(_version): + # type: (str) -> Union[Version, str] """ - This is very similar to Version.__str__, but has one subtle differences + This is very similar to Version.__str__, but has one subtle difference with the way it handles the release segment. """ try: - version = Version(version) + version = Version(_version) except InvalidVersion: # Legacy versions cannot be normalized - return version + return _version parts = [] diff --git a/pkg_resources/_vendor/packaging/version.py b/pkg_resources/_vendor/packaging/version.py index 95157a1f..00371e86 100644 --- a/pkg_resources/_vendor/packaging/version.py +++ b/pkg_resources/_vendor/packaging/version.py @@ -7,8 +7,35 @@ import collections import itertools import re -from ._structures import Infinity - +from ._structures import Infinity, NegativeInfinity +from ._typing import TYPE_CHECKING + +if TYPE_CHECKING: # pragma: no cover + from typing import Callable, Iterator, List, Optional, SupportsInt, Tuple, Union + + from ._structures import InfinityType, NegativeInfinityType + + InfiniteTypes = Union[InfinityType, NegativeInfinityType] + PrePostDevType = Union[InfiniteTypes, Tuple[str, int]] + SubLocalType = Union[InfiniteTypes, int, str] + LocalType = Union[ + NegativeInfinityType, + Tuple[ + Union[ + SubLocalType, + Tuple[SubLocalType, str], + Tuple[NegativeInfinityType, SubLocalType], + ], + ..., + ], + ] + CmpKey = Tuple[ + int, Tuple[int, ...], PrePostDevType, PrePostDevType, PrePostDevType, LocalType + ] + LegacyCmpKey = Tuple[int, Tuple[str, ...]] + VersionComparisonMethod = Callable[ + [Union[CmpKey, LegacyCmpKey], Union[CmpKey, LegacyCmpKey]], bool + ] __all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"] @@ -19,6 +46,7 @@ _Version = collections.namedtuple( def parse(version): + # type: (str) -> Union[LegacyVersion, Version] """ Parse the given version string and return either a :class:`Version` object or a :class:`LegacyVersion` object depending on if the given version is @@ -37,28 +65,38 @@ class InvalidVersion(ValueError): class _BaseVersion(object): + _key = None # type: Union[CmpKey, LegacyCmpKey] + def __hash__(self): + # type: () -> int return hash(self._key) def __lt__(self, other): + # type: (_BaseVersion) -> bool return self._compare(other, lambda s, o: s < o) def __le__(self, other): + # type: (_BaseVersion) -> bool return self._compare(other, lambda s, o: s <= o) def __eq__(self, other): + # type: (object) -> bool return self._compare(other, lambda s, o: s == o) def __ge__(self, other): + # type: (_BaseVersion) -> bool return self._compare(other, lambda s, o: s >= o) def __gt__(self, other): + # type: (_BaseVersion) -> bool return self._compare(other, lambda s, o: s > o) def __ne__(self, other): + # type: (object) -> bool return self._compare(other, lambda s, o: s != o) def _compare(self, other, method): + # type: (object, VersionComparisonMethod) -> Union[bool, NotImplemented] if not isinstance(other, _BaseVersion): return NotImplemented @@ -67,57 +105,71 @@ class _BaseVersion(object): class LegacyVersion(_BaseVersion): def __init__(self, version): + # type: (str) -> None self._version = str(version) self._key = _legacy_cmpkey(self._version) def __str__(self): + # type: () -> str return self._version def __repr__(self): + # type: () -> str return "<LegacyVersion({0})>".format(repr(str(self))) @property def public(self): + # type: () -> str return self._version @property def base_version(self): + # type: () -> str return self._version @property def epoch(self): + # type: () -> int return -1 @property def release(self): + # type: () -> None return None @property def pre(self): + # type: () -> None return None @property def post(self): + # type: () -> None return None @property def dev(self): + # type: () -> None return None @property def local(self): + # type: () -> None return None @property def is_prerelease(self): + # type: () -> bool return False @property def is_postrelease(self): + # type: () -> bool return False @property def is_devrelease(self): + # type: () -> bool return False @@ -133,6 +185,7 @@ _legacy_version_replacement_map = { def _parse_version_parts(s): + # type: (str) -> Iterator[str] for part in _legacy_version_component_re.split(s): part = _legacy_version_replacement_map.get(part, part) @@ -150,6 +203,8 @@ def _parse_version_parts(s): def _legacy_cmpkey(version): + # type: (str) -> LegacyCmpKey + # We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch # greater than or equal to 0. This will effectively put the LegacyVersion, # which uses the defacto standard originally implemented by setuptools, @@ -158,7 +213,7 @@ def _legacy_cmpkey(version): # This scheme is taken from pkg_resources.parse_version setuptools prior to # it's adoption of the packaging library. - parts = [] + parts = [] # type: List[str] for part in _parse_version_parts(version.lower()): if part.startswith("*"): # remove "-" before a prerelease tag @@ -171,9 +226,8 @@ def _legacy_cmpkey(version): parts.pop() parts.append(part) - parts = tuple(parts) - return epoch, parts + return epoch, tuple(parts) # Deliberately not anchored to the start and end of the string, to make it @@ -215,6 +269,8 @@ class Version(_BaseVersion): _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE) def __init__(self, version): + # type: (str) -> None + # Validate the version and parse it into pieces match = self._regex.search(version) if not match: @@ -243,9 +299,11 @@ class Version(_BaseVersion): ) def __repr__(self): + # type: () -> str return "<Version({0})>".format(repr(str(self))) def __str__(self): + # type: () -> str parts = [] # Epoch @@ -275,26 +333,35 @@ class Version(_BaseVersion): @property def epoch(self): - return self._version.epoch + # type: () -> int + _epoch = self._version.epoch # type: int + return _epoch @property def release(self): - return self._version.release + # type: () -> Tuple[int, ...] + _release = self._version.release # type: Tuple[int, ...] + return _release @property def pre(self): - return self._version.pre + # type: () -> Optional[Tuple[str, int]] + _pre = self._version.pre # type: Optional[Tuple[str, int]] + return _pre @property def post(self): + # type: () -> Optional[Tuple[str, int]] return self._version.post[1] if self._version.post else None @property def dev(self): + # type: () -> Optional[Tuple[str, int]] return self._version.dev[1] if self._version.dev else None @property def local(self): + # type: () -> Optional[str] if self._version.local: return ".".join(str(x) for x in self._version.local) else: @@ -302,10 +369,12 @@ class Version(_BaseVersion): @property def public(self): + # type: () -> str return str(self).split("+", 1)[0] @property def base_version(self): + # type: () -> str parts = [] # Epoch @@ -319,18 +388,41 @@ class Version(_BaseVersion): @property def is_prerelease(self): + # type: () -> bool return self.dev is not None or self.pre is not None @property def is_postrelease(self): + # type: () -> bool return self.post is not None @property def is_devrelease(self): + # type: () -> bool return self.dev is not None + @property + def major(self): + # type: () -> int + return self.release[0] if len(self.release) >= 1 else 0 + + @property + def minor(self): + # type: () -> int + return self.release[1] if len(self.release) >= 2 else 0 + + @property + def micro(self): + # type: () -> int + return self.release[2] if len(self.release) >= 3 else 0 + + +def _parse_letter_version( + letter, # type: str + number, # type: Union[str, bytes, SupportsInt] +): + # type: (...) -> Optional[Tuple[str, int]] -def _parse_letter_version(letter, number): if letter: # We consider there to be an implicit 0 in a pre-release if there is # not a numeral associated with it. @@ -360,11 +452,14 @@ def _parse_letter_version(letter, number): return letter, int(number) + return None + _local_version_separators = re.compile(r"[\._-]") def _parse_local_version(local): + # type: (str) -> Optional[LocalType] """ Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve"). """ @@ -373,15 +468,25 @@ def _parse_local_version(local): part.lower() if not part.isdigit() else int(part) for part in _local_version_separators.split(local) ) + return None + +def _cmpkey( + epoch, # type: int + release, # type: Tuple[int, ...] + pre, # type: Optional[Tuple[str, int]] + post, # type: Optional[Tuple[str, int]] + dev, # type: Optional[Tuple[str, int]] + local, # type: Optional[Tuple[SubLocalType]] +): + # type: (...) -> CmpKey -def _cmpkey(epoch, release, pre, post, dev, local): # When we compare a release version, we want to compare it with all of the # trailing zeros removed. So we'll use a reverse the list, drop all the now # leading zeros until we come to something non zero, then take the rest # re-reverse it back into the correct order and make it a tuple and use # that for our sorting key. - release = tuple( + _release = tuple( reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release)))) ) @@ -390,23 +495,31 @@ def _cmpkey(epoch, release, pre, post, dev, local): # if there is not a pre or a post segment. If we have one of those then # the normal sorting rules will handle this case correctly. if pre is None and post is None and dev is not None: - pre = -Infinity + _pre = NegativeInfinity # type: PrePostDevType # Versions without a pre-release (except as noted above) should sort after # those with one. elif pre is None: - pre = Infinity + _pre = Infinity + else: + _pre = pre # Versions without a post segment should sort before those with one. if post is None: - post = -Infinity + _post = NegativeInfinity # type: PrePostDevType + + else: + _post = post # Versions without a development segment should sort after those with one. if dev is None: - dev = Infinity + _dev = Infinity # type: PrePostDevType + + else: + _dev = dev if local is None: # Versions without a local segment should sort before those with one. - local = -Infinity + _local = NegativeInfinity # type: LocalType else: # Versions with a local segment need that segment parsed to implement # the sorting rules in PEP440. @@ -415,6 +528,8 @@ def _cmpkey(epoch, release, pre, post, dev, local): # - Numeric segments sort numerically # - Shorter versions sort before longer versions when the prefixes # match exactly - local = tuple((i, "") if isinstance(i, int) else (-Infinity, i) for i in local) + _local = tuple( + (i, "") if isinstance(i, int) else (NegativeInfinity, i) for i in local + ) - return epoch, release, pre, post, dev, local + return epoch, _release, _pre, _post, _dev, _local diff --git a/pkg_resources/_vendor/vendored.txt b/pkg_resources/_vendor/vendored.txt index f581a623..7862a3ce 100644 --- a/pkg_resources/_vendor/vendored.txt +++ b/pkg_resources/_vendor/vendored.txt @@ -1,4 +1,4 @@ -packaging==19.2 +packaging==20.4 pyparsing==2.2.1 six==1.10.0 appdirs==1.4.3 @@ -16,7 +16,7 @@ formats = zip [metadata] name = setuptools -version = 49.3.0 +version = 49.5.0 description = Easily download, build, install, upgrade, and uninstall Python packages author = Python Packaging Authority author_email = distutils-sig@python.org diff --git a/setuptools/_vendor/packaging/__about__.py b/setuptools/_vendor/packaging/__about__.py index dc95138d..4d998578 100644 --- a/setuptools/_vendor/packaging/__about__.py +++ b/setuptools/_vendor/packaging/__about__.py @@ -18,10 +18,10 @@ __title__ = "packaging" __summary__ = "Core utilities for Python packages" __uri__ = "https://github.com/pypa/packaging" -__version__ = "19.2" +__version__ = "20.4" __author__ = "Donald Stufft and individual contributors" __email__ = "donald@stufft.io" -__license__ = "BSD or Apache License, Version 2.0" +__license__ = "BSD-2-Clause or Apache-2.0" __copyright__ = "Copyright 2014-2019 %s" % __author__ diff --git a/setuptools/_vendor/packaging/_compat.py b/setuptools/_vendor/packaging/_compat.py index 25da473c..e54bd4ed 100644 --- a/setuptools/_vendor/packaging/_compat.py +++ b/setuptools/_vendor/packaging/_compat.py @@ -5,6 +5,11 @@ from __future__ import absolute_import, division, print_function import sys +from ._typing import TYPE_CHECKING + +if TYPE_CHECKING: # pragma: no cover + from typing import Any, Dict, Tuple, Type + PY2 = sys.version_info[0] == 2 PY3 = sys.version_info[0] == 3 @@ -18,14 +23,16 @@ else: def with_metaclass(meta, *bases): + # type: (Type[Any], Tuple[Type[Any], ...]) -> Any """ Create a base class with a metaclass. """ # This requires a bit of explanation: the basic idea is to make a dummy # metaclass for one level of class instantiation that replaces itself with # the actual metaclass. - class metaclass(meta): + class metaclass(meta): # type: ignore def __new__(cls, name, this_bases, d): + # type: (Type[Any], str, Tuple[Any], Dict[Any, Any]) -> Any return meta(name, bases, d) return type.__new__(metaclass, "temporary_class", (), {}) diff --git a/setuptools/_vendor/packaging/_structures.py b/setuptools/_vendor/packaging/_structures.py index 68dcca63..800d5c55 100644 --- a/setuptools/_vendor/packaging/_structures.py +++ b/setuptools/_vendor/packaging/_structures.py @@ -4,65 +4,83 @@ from __future__ import absolute_import, division, print_function -class Infinity(object): +class InfinityType(object): def __repr__(self): + # type: () -> str return "Infinity" def __hash__(self): + # type: () -> int return hash(repr(self)) def __lt__(self, other): + # type: (object) -> bool return False def __le__(self, other): + # type: (object) -> bool return False def __eq__(self, other): + # type: (object) -> bool return isinstance(other, self.__class__) def __ne__(self, other): + # type: (object) -> bool return not isinstance(other, self.__class__) def __gt__(self, other): + # type: (object) -> bool return True def __ge__(self, other): + # type: (object) -> bool return True def __neg__(self): + # type: (object) -> NegativeInfinityType return NegativeInfinity -Infinity = Infinity() +Infinity = InfinityType() -class NegativeInfinity(object): +class NegativeInfinityType(object): def __repr__(self): + # type: () -> str return "-Infinity" def __hash__(self): + # type: () -> int return hash(repr(self)) def __lt__(self, other): + # type: (object) -> bool return True def __le__(self, other): + # type: (object) -> bool return True def __eq__(self, other): + # type: (object) -> bool return isinstance(other, self.__class__) def __ne__(self, other): + # type: (object) -> bool return not isinstance(other, self.__class__) def __gt__(self, other): + # type: (object) -> bool return False def __ge__(self, other): + # type: (object) -> bool return False def __neg__(self): + # type: (object) -> InfinityType return Infinity -NegativeInfinity = NegativeInfinity() +NegativeInfinity = NegativeInfinityType() diff --git a/setuptools/_vendor/packaging/_typing.py b/setuptools/_vendor/packaging/_typing.py new file mode 100644 index 00000000..77a8b918 --- /dev/null +++ b/setuptools/_vendor/packaging/_typing.py @@ -0,0 +1,48 @@ +"""For neatly implementing static typing in packaging. + +`mypy` - the static type analysis tool we use - uses the `typing` module, which +provides core functionality fundamental to mypy's functioning. + +Generally, `typing` would be imported at runtime and used in that fashion - +it acts as a no-op at runtime and does not have any run-time overhead by +design. + +As it turns out, `typing` is not vendorable - it uses separate sources for +Python 2/Python 3. Thus, this codebase can not expect it to be present. +To work around this, mypy allows the typing import to be behind a False-y +optional to prevent it from running at runtime and type-comments can be used +to remove the need for the types to be accessible directly during runtime. + +This module provides the False-y guard in a nicely named fashion so that a +curious maintainer can reach here to read this. + +In packaging, all static-typing related imports should be guarded as follows: + + from packaging._typing import TYPE_CHECKING + + if TYPE_CHECKING: + from typing import ... + +Ref: https://github.com/python/mypy/issues/3216 +""" + +__all__ = ["TYPE_CHECKING", "cast"] + +# The TYPE_CHECKING constant defined by the typing module is False at runtime +# but True while type checking. +if False: # pragma: no cover + from typing import TYPE_CHECKING +else: + TYPE_CHECKING = False + +# typing's cast syntax requires calling typing.cast at runtime, but we don't +# want to import typing at runtime. Here, we inform the type checkers that +# we're importing `typing.cast` as `cast` and re-implement typing.cast's +# runtime behavior in a block that is ignored by type checkers. +if TYPE_CHECKING: # pragma: no cover + # not executed at runtime + from typing import cast +else: + # executed at runtime + def cast(type_, value): # noqa + return value diff --git a/setuptools/_vendor/packaging/markers.py b/setuptools/_vendor/packaging/markers.py index 4bdfdb24..03fbdfcc 100644 --- a/setuptools/_vendor/packaging/markers.py +++ b/setuptools/_vendor/packaging/markers.py @@ -13,8 +13,14 @@ from setuptools.extern.pyparsing import ZeroOrMore, Group, Forward, QuotedString from setuptools.extern.pyparsing import Literal as L # noqa from ._compat import string_types +from ._typing import TYPE_CHECKING from .specifiers import Specifier, InvalidSpecifier +if TYPE_CHECKING: # pragma: no cover + from typing import Any, Callable, Dict, List, Optional, Tuple, Union + + Operator = Callable[[str, str], bool] + __all__ = [ "InvalidMarker", @@ -46,30 +52,37 @@ class UndefinedEnvironmentName(ValueError): class Node(object): def __init__(self, value): + # type: (Any) -> None self.value = value def __str__(self): + # type: () -> str return str(self.value) def __repr__(self): + # type: () -> str return "<{0}({1!r})>".format(self.__class__.__name__, str(self)) def serialize(self): + # type: () -> str raise NotImplementedError class Variable(Node): def serialize(self): + # type: () -> str return str(self) class Value(Node): def serialize(self): + # type: () -> str return '"{0}"'.format(self) class Op(Node): def serialize(self): + # type: () -> str return str(self) @@ -85,13 +98,13 @@ VARIABLE = ( | L("python_version") | L("sys_platform") | L("os_name") - | L("os.name") + | L("os.name") # PEP-345 | L("sys.platform") # PEP-345 | L("platform.version") # PEP-345 | L("platform.machine") # PEP-345 | L("platform.python_implementation") # PEP-345 - | L("python_implementation") # PEP-345 - | L("extra") # undocumented setuptools legacy + | L("python_implementation") # undocumented setuptools legacy + | L("extra") # PEP-508 ) ALIASES = { "os.name": "os_name", @@ -131,6 +144,7 @@ MARKER = stringStart + MARKER_EXPR + stringEnd def _coerce_parse_result(results): + # type: (Union[ParseResults, List[Any]]) -> List[Any] if isinstance(results, ParseResults): return [_coerce_parse_result(i) for i in results] else: @@ -138,6 +152,8 @@ def _coerce_parse_result(results): def _format_marker(marker, first=True): + # type: (Union[List[str], Tuple[Node, ...], str], Optional[bool]) -> str + assert isinstance(marker, (list, tuple, string_types)) # Sometimes we have a structure like [[...]] which is a single item list @@ -172,10 +188,11 @@ _operators = { "!=": operator.ne, ">=": operator.ge, ">": operator.gt, -} +} # type: Dict[str, Operator] def _eval_op(lhs, op, rhs): + # type: (str, Op, str) -> bool try: spec = Specifier("".join([op.serialize(), rhs])) except InvalidSpecifier: @@ -183,7 +200,7 @@ def _eval_op(lhs, op, rhs): else: return spec.contains(lhs) - oper = _operators.get(op.serialize()) + oper = _operators.get(op.serialize()) # type: Optional[Operator] if oper is None: raise UndefinedComparison( "Undefined {0!r} on {1!r} and {2!r}.".format(op, lhs, rhs) @@ -192,13 +209,18 @@ def _eval_op(lhs, op, rhs): return oper(lhs, rhs) -_undefined = object() +class Undefined(object): + pass + + +_undefined = Undefined() def _get_env(environment, name): - value = environment.get(name, _undefined) + # type: (Dict[str, str], str) -> str + value = environment.get(name, _undefined) # type: Union[str, Undefined] - if value is _undefined: + if isinstance(value, Undefined): raise UndefinedEnvironmentName( "{0!r} does not exist in evaluation environment.".format(name) ) @@ -207,7 +229,8 @@ def _get_env(environment, name): def _evaluate_markers(markers, environment): - groups = [[]] + # type: (List[Any], Dict[str, str]) -> bool + groups = [[]] # type: List[List[bool]] for marker in markers: assert isinstance(marker, (list, tuple, string_types)) @@ -234,6 +257,7 @@ def _evaluate_markers(markers, environment): def format_full_version(info): + # type: (sys._version_info) -> str version = "{0.major}.{0.minor}.{0.micro}".format(info) kind = info.releaselevel if kind != "final": @@ -242,9 +266,13 @@ def format_full_version(info): def default_environment(): + # type: () -> Dict[str, str] if hasattr(sys, "implementation"): - iver = format_full_version(sys.implementation.version) - implementation_name = sys.implementation.name + # Ignoring the `sys.implementation` reference for type checking due to + # mypy not liking that the attribute doesn't exist in Python 2.7 when + # run with the `--py27` flag. + iver = format_full_version(sys.implementation.version) # type: ignore + implementation_name = sys.implementation.name # type: ignore else: iver = "0" implementation_name = "" @@ -266,6 +294,7 @@ def default_environment(): class Marker(object): def __init__(self, marker): + # type: (str) -> None try: self._markers = _coerce_parse_result(MARKER.parseString(marker)) except ParseException as e: @@ -275,12 +304,15 @@ class Marker(object): raise InvalidMarker(err_str) def __str__(self): + # type: () -> str return _format_marker(self._markers) def __repr__(self): + # type: () -> str return "<Marker({0!r})>".format(str(self)) def evaluate(self, environment=None): + # type: (Optional[Dict[str, str]]) -> bool """Evaluate a marker. Return the boolean from evaluating the given marker against the diff --git a/setuptools/_vendor/packaging/py.typed b/setuptools/_vendor/packaging/py.typed new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/setuptools/_vendor/packaging/py.typed diff --git a/setuptools/_vendor/packaging/requirements.py b/setuptools/_vendor/packaging/requirements.py index 8a0c2cb9..06b17488 100644 --- a/setuptools/_vendor/packaging/requirements.py +++ b/setuptools/_vendor/packaging/requirements.py @@ -11,9 +11,13 @@ from setuptools.extern.pyparsing import ZeroOrMore, Word, Optional, Regex, Combi from setuptools.extern.pyparsing import Literal as L # noqa from setuptools.extern.six.moves.urllib import parse as urlparse +from ._typing import TYPE_CHECKING from .markers import MARKER_EXPR, Marker from .specifiers import LegacySpecifier, Specifier, SpecifierSet +if TYPE_CHECKING: # pragma: no cover + from typing import List + class InvalidRequirement(ValueError): """ @@ -89,6 +93,7 @@ class Requirement(object): # TODO: Can we normalize the name and extra name? def __init__(self, requirement_string): + # type: (str) -> None try: req = REQUIREMENT.parseString(requirement_string) except ParseException as e: @@ -116,7 +121,8 @@ class Requirement(object): self.marker = req.marker if req.marker else None def __str__(self): - parts = [self.name] + # type: () -> str + parts = [self.name] # type: List[str] if self.extras: parts.append("[{0}]".format(",".join(sorted(self.extras)))) @@ -135,4 +141,5 @@ class Requirement(object): return "".join(parts) def __repr__(self): + # type: () -> str return "<Requirement({0!r})>".format(str(self)) diff --git a/setuptools/_vendor/packaging/specifiers.py b/setuptools/_vendor/packaging/specifiers.py index 743576a0..fe09bb1d 100644 --- a/setuptools/_vendor/packaging/specifiers.py +++ b/setuptools/_vendor/packaging/specifiers.py @@ -9,8 +9,27 @@ import itertools import re from ._compat import string_types, with_metaclass +from ._typing import TYPE_CHECKING +from .utils import canonicalize_version from .version import Version, LegacyVersion, parse +if TYPE_CHECKING: # pragma: no cover + from typing import ( + List, + Dict, + Union, + Iterable, + Iterator, + Optional, + Callable, + Tuple, + FrozenSet, + ) + + ParsedVersion = Union[Version, LegacyVersion] + UnparsedVersion = Union[Version, LegacyVersion, str] + CallableOperator = Callable[[ParsedVersion, str], bool] + class InvalidSpecifier(ValueError): """ @@ -18,9 +37,10 @@ class InvalidSpecifier(ValueError): """ -class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): +class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): # type: ignore @abc.abstractmethod def __str__(self): + # type: () -> str """ Returns the str representation of this Specifier like object. This should be representative of the Specifier itself. @@ -28,12 +48,14 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @abc.abstractmethod def __hash__(self): + # type: () -> int """ Returns a hash value for this Specifier like object. """ @abc.abstractmethod def __eq__(self, other): + # type: (object) -> bool """ Returns a boolean representing whether or not the two Specifier like objects are equal. @@ -41,6 +63,7 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @abc.abstractmethod def __ne__(self, other): + # type: (object) -> bool """ Returns a boolean representing whether or not the two Specifier like objects are not equal. @@ -48,6 +71,7 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @abc.abstractproperty def prereleases(self): + # type: () -> Optional[bool] """ Returns whether or not pre-releases as a whole are allowed by this specifier. @@ -55,6 +79,7 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @prereleases.setter def prereleases(self, value): + # type: (bool) -> None """ Sets whether or not pre-releases as a whole are allowed by this specifier. @@ -62,12 +87,14 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): @abc.abstractmethod def contains(self, item, prereleases=None): + # type: (str, Optional[bool]) -> bool """ Determines if the given item is contained within this specifier. """ @abc.abstractmethod def filter(self, iterable, prereleases=None): + # type: (Iterable[UnparsedVersion], Optional[bool]) -> Iterable[UnparsedVersion] """ Takes an iterable of items and filters them so that only items which are contained within this specifier are allowed in it. @@ -76,19 +103,24 @@ class BaseSpecifier(with_metaclass(abc.ABCMeta, object)): class _IndividualSpecifier(BaseSpecifier): - _operators = {} + _operators = {} # type: Dict[str, str] def __init__(self, spec="", prereleases=None): + # type: (str, Optional[bool]) -> None match = self._regex.search(spec) if not match: raise InvalidSpecifier("Invalid specifier: '{0}'".format(spec)) - self._spec = (match.group("operator").strip(), match.group("version").strip()) + self._spec = ( + match.group("operator").strip(), + match.group("version").strip(), + ) # type: Tuple[str, str] # Store whether or not this Specifier should accept prereleases self._prereleases = prereleases def __repr__(self): + # type: () -> str pre = ( ", prereleases={0!r}".format(self.prereleases) if self._prereleases is not None @@ -98,26 +130,35 @@ class _IndividualSpecifier(BaseSpecifier): return "<{0}({1!r}{2})>".format(self.__class__.__name__, str(self), pre) def __str__(self): + # type: () -> str return "{0}{1}".format(*self._spec) + @property + def _canonical_spec(self): + # type: () -> Tuple[str, Union[Version, str]] + return self._spec[0], canonicalize_version(self._spec[1]) + def __hash__(self): - return hash(self._spec) + # type: () -> int + return hash(self._canonical_spec) def __eq__(self, other): + # type: (object) -> bool if isinstance(other, string_types): try: - other = self.__class__(other) + other = self.__class__(str(other)) except InvalidSpecifier: return NotImplemented elif not isinstance(other, self.__class__): return NotImplemented - return self._spec == other._spec + return self._canonical_spec == other._canonical_spec def __ne__(self, other): + # type: (object) -> bool if isinstance(other, string_types): try: - other = self.__class__(other) + other = self.__class__(str(other)) except InvalidSpecifier: return NotImplemented elif not isinstance(other, self.__class__): @@ -126,52 +167,67 @@ class _IndividualSpecifier(BaseSpecifier): return self._spec != other._spec def _get_operator(self, op): - return getattr(self, "_compare_{0}".format(self._operators[op])) + # type: (str) -> CallableOperator + operator_callable = getattr( + self, "_compare_{0}".format(self._operators[op]) + ) # type: CallableOperator + return operator_callable def _coerce_version(self, version): + # type: (UnparsedVersion) -> ParsedVersion if not isinstance(version, (LegacyVersion, Version)): version = parse(version) return version @property def operator(self): + # type: () -> str return self._spec[0] @property def version(self): + # type: () -> str return self._spec[1] @property def prereleases(self): + # type: () -> Optional[bool] return self._prereleases @prereleases.setter def prereleases(self, value): + # type: (bool) -> None self._prereleases = value def __contains__(self, item): + # type: (str) -> bool return self.contains(item) def contains(self, item, prereleases=None): + # type: (UnparsedVersion, Optional[bool]) -> bool + # Determine if prereleases are to be allowed or not. if prereleases is None: prereleases = self.prereleases # Normalize item to a Version or LegacyVersion, this allows us to have # a shortcut for ``"2.0" in Specifier(">=2") - item = self._coerce_version(item) + normalized_item = self._coerce_version(item) # Determine if we should be supporting prereleases in this specifier # or not, if we do not support prereleases than we can short circuit # logic if this version is a prereleases. - if item.is_prerelease and not prereleases: + if normalized_item.is_prerelease and not prereleases: return False # Actually do the comparison to determine if this item is contained # within this Specifier or not. - return self._get_operator(self.operator)(item, self.version) + operator_callable = self._get_operator(self.operator) # type: CallableOperator + return operator_callable(normalized_item, self.version) def filter(self, iterable, prereleases=None): + # type: (Iterable[UnparsedVersion], Optional[bool]) -> Iterable[UnparsedVersion] + yielded = False found_prereleases = [] @@ -230,32 +286,43 @@ class LegacySpecifier(_IndividualSpecifier): } def _coerce_version(self, version): + # type: (Union[ParsedVersion, str]) -> LegacyVersion if not isinstance(version, LegacyVersion): version = LegacyVersion(str(version)) return version def _compare_equal(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective == self._coerce_version(spec) def _compare_not_equal(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective != self._coerce_version(spec) def _compare_less_than_equal(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective <= self._coerce_version(spec) def _compare_greater_than_equal(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective >= self._coerce_version(spec) def _compare_less_than(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective < self._coerce_version(spec) def _compare_greater_than(self, prospective, spec): + # type: (LegacyVersion, str) -> bool return prospective > self._coerce_version(spec) -def _require_version_compare(fn): +def _require_version_compare( + fn # type: (Callable[[Specifier, ParsedVersion, str], bool]) +): + # type: (...) -> Callable[[Specifier, ParsedVersion, str], bool] @functools.wraps(fn) def wrapped(self, prospective, spec): + # type: (Specifier, ParsedVersion, str) -> bool if not isinstance(prospective, Version): return False return fn(self, prospective, spec) @@ -373,6 +440,8 @@ class Specifier(_IndividualSpecifier): @_require_version_compare def _compare_compatible(self, prospective, spec): + # type: (ParsedVersion, str) -> bool + # Compatible releases have an equivalent combination of >= and ==. That # is that ~=2.2 is equivalent to >=2.2,==2.*. This allows us to # implement this in terms of the other specifiers instead of @@ -400,56 +469,75 @@ class Specifier(_IndividualSpecifier): @_require_version_compare def _compare_equal(self, prospective, spec): + # type: (ParsedVersion, str) -> bool + # We need special logic to handle prefix matching if spec.endswith(".*"): # In the case of prefix matching we want to ignore local segment. prospective = Version(prospective.public) # Split the spec out by dots, and pretend that there is an implicit # dot in between a release segment and a pre-release segment. - spec = _version_split(spec[:-2]) # Remove the trailing .* + split_spec = _version_split(spec[:-2]) # Remove the trailing .* # Split the prospective version out by dots, and pretend that there # is an implicit dot in between a release segment and a pre-release # segment. - prospective = _version_split(str(prospective)) + split_prospective = _version_split(str(prospective)) # Shorten the prospective version to be the same length as the spec # so that we can determine if the specifier is a prefix of the # prospective version or not. - prospective = prospective[: len(spec)] + shortened_prospective = split_prospective[: len(split_spec)] # Pad out our two sides with zeros so that they both equal the same # length. - spec, prospective = _pad_version(spec, prospective) + padded_spec, padded_prospective = _pad_version( + split_spec, shortened_prospective + ) + + return padded_prospective == padded_spec else: # Convert our spec string into a Version - spec = Version(spec) + spec_version = Version(spec) # If the specifier does not have a local segment, then we want to # act as if the prospective version also does not have a local # segment. - if not spec.local: + if not spec_version.local: prospective = Version(prospective.public) - return prospective == spec + return prospective == spec_version @_require_version_compare def _compare_not_equal(self, prospective, spec): + # type: (ParsedVersion, str) -> bool return not self._compare_equal(prospective, spec) @_require_version_compare def _compare_less_than_equal(self, prospective, spec): - return prospective <= Version(spec) + # type: (ParsedVersion, str) -> bool + + # NB: Local version identifiers are NOT permitted in the version + # specifier, so local version labels can be universally removed from + # the prospective version. + return Version(prospective.public) <= Version(spec) @_require_version_compare def _compare_greater_than_equal(self, prospective, spec): - return prospective >= Version(spec) + # type: (ParsedVersion, str) -> bool + + # NB: Local version identifiers are NOT permitted in the version + # specifier, so local version labels can be universally removed from + # the prospective version. + return Version(prospective.public) >= Version(spec) @_require_version_compare - def _compare_less_than(self, prospective, spec): + def _compare_less_than(self, prospective, spec_str): + # type: (ParsedVersion, str) -> bool + # Convert our spec to a Version instance, since we'll want to work with # it as a version. - spec = Version(spec) + spec = Version(spec_str) # Check to see if the prospective version is less than the spec # version. If it's not we can short circuit and just return False now @@ -471,10 +559,12 @@ class Specifier(_IndividualSpecifier): return True @_require_version_compare - def _compare_greater_than(self, prospective, spec): + def _compare_greater_than(self, prospective, spec_str): + # type: (ParsedVersion, str) -> bool + # Convert our spec to a Version instance, since we'll want to work with # it as a version. - spec = Version(spec) + spec = Version(spec_str) # Check to see if the prospective version is greater than the spec # version. If it's not we can short circuit and just return False now @@ -502,10 +592,13 @@ class Specifier(_IndividualSpecifier): return True def _compare_arbitrary(self, prospective, spec): + # type: (Version, str) -> bool return str(prospective).lower() == str(spec).lower() @property def prereleases(self): + # type: () -> bool + # If there is an explicit prereleases set for this, then we'll just # blindly use that. if self._prereleases is not None: @@ -530,6 +623,7 @@ class Specifier(_IndividualSpecifier): @prereleases.setter def prereleases(self, value): + # type: (bool) -> None self._prereleases = value @@ -537,7 +631,8 @@ _prefix_regex = re.compile(r"^([0-9]+)((?:a|b|c|rc)[0-9]+)$") def _version_split(version): - result = [] + # type: (str) -> List[str] + result = [] # type: List[str] for item in version.split("."): match = _prefix_regex.search(item) if match: @@ -548,6 +643,7 @@ def _version_split(version): def _pad_version(left, right): + # type: (List[str], List[str]) -> Tuple[List[str], List[str]] left_split, right_split = [], [] # Get the release segment of our versions @@ -567,14 +663,16 @@ def _pad_version(left, right): class SpecifierSet(BaseSpecifier): def __init__(self, specifiers="", prereleases=None): - # Split on , to break each indidivual specifier into it's own item, and + # type: (str, Optional[bool]) -> None + + # Split on , to break each individual specifier into it's own item, and # strip each item to remove leading/trailing whitespace. - specifiers = [s.strip() for s in specifiers.split(",") if s.strip()] + split_specifiers = [s.strip() for s in specifiers.split(",") if s.strip()] # Parsed each individual specifier, attempting first to make it a # Specifier and falling back to a LegacySpecifier. parsed = set() - for specifier in specifiers: + for specifier in split_specifiers: try: parsed.add(Specifier(specifier)) except InvalidSpecifier: @@ -588,6 +686,7 @@ class SpecifierSet(BaseSpecifier): self._prereleases = prereleases def __repr__(self): + # type: () -> str pre = ( ", prereleases={0!r}".format(self.prereleases) if self._prereleases is not None @@ -597,12 +696,15 @@ class SpecifierSet(BaseSpecifier): return "<SpecifierSet({0!r}{1})>".format(str(self), pre) def __str__(self): + # type: () -> str return ",".join(sorted(str(s) for s in self._specs)) def __hash__(self): + # type: () -> int return hash(self._specs) def __and__(self, other): + # type: (Union[SpecifierSet, str]) -> SpecifierSet if isinstance(other, string_types): other = SpecifierSet(other) elif not isinstance(other, SpecifierSet): @@ -626,9 +728,8 @@ class SpecifierSet(BaseSpecifier): return specifier def __eq__(self, other): - if isinstance(other, string_types): - other = SpecifierSet(other) - elif isinstance(other, _IndividualSpecifier): + # type: (object) -> bool + if isinstance(other, (string_types, _IndividualSpecifier)): other = SpecifierSet(str(other)) elif not isinstance(other, SpecifierSet): return NotImplemented @@ -636,9 +737,8 @@ class SpecifierSet(BaseSpecifier): return self._specs == other._specs def __ne__(self, other): - if isinstance(other, string_types): - other = SpecifierSet(other) - elif isinstance(other, _IndividualSpecifier): + # type: (object) -> bool + if isinstance(other, (string_types, _IndividualSpecifier)): other = SpecifierSet(str(other)) elif not isinstance(other, SpecifierSet): return NotImplemented @@ -646,13 +746,17 @@ class SpecifierSet(BaseSpecifier): return self._specs != other._specs def __len__(self): + # type: () -> int return len(self._specs) def __iter__(self): + # type: () -> Iterator[FrozenSet[_IndividualSpecifier]] return iter(self._specs) @property def prereleases(self): + # type: () -> Optional[bool] + # If we have been given an explicit prerelease modifier, then we'll # pass that through here. if self._prereleases is not None: @@ -670,12 +774,16 @@ class SpecifierSet(BaseSpecifier): @prereleases.setter def prereleases(self, value): + # type: (bool) -> None self._prereleases = value def __contains__(self, item): + # type: (Union[ParsedVersion, str]) -> bool return self.contains(item) def contains(self, item, prereleases=None): + # type: (Union[ParsedVersion, str], Optional[bool]) -> bool + # Ensure that our item is a Version or LegacyVersion instance. if not isinstance(item, (LegacyVersion, Version)): item = parse(item) @@ -701,7 +809,13 @@ class SpecifierSet(BaseSpecifier): # will always return True, this is an explicit design decision. return all(s.contains(item, prereleases=prereleases) for s in self._specs) - def filter(self, iterable, prereleases=None): + def filter( + self, + iterable, # type: Iterable[Union[ParsedVersion, str]] + prereleases=None, # type: Optional[bool] + ): + # type: (...) -> Iterable[Union[ParsedVersion, str]] + # Determine if we're forcing a prerelease or not, if we're not forcing # one for this particular filter call, then we'll use whatever the # SpecifierSet thinks for whether or not we should support prereleases. @@ -719,8 +833,8 @@ class SpecifierSet(BaseSpecifier): # which will filter out any pre-releases, unless there are no final # releases, and which will filter out LegacyVersion in general. else: - filtered = [] - found_prereleases = [] + filtered = [] # type: List[Union[ParsedVersion, str]] + found_prereleases = [] # type: List[Union[ParsedVersion, str]] for item in iterable: # Ensure that we some kind of Version class for this item. diff --git a/setuptools/_vendor/packaging/tags.py b/setuptools/_vendor/packaging/tags.py index ec9942f0..9064910b 100644 --- a/setuptools/_vendor/packaging/tags.py +++ b/setuptools/_vendor/packaging/tags.py @@ -13,12 +13,37 @@ except ImportError: # pragma: no cover EXTENSION_SUFFIXES = [x[0] for x in imp.get_suffixes()] del imp +import logging +import os import platform import re +import struct import sys import sysconfig import warnings +from ._typing import TYPE_CHECKING, cast + +if TYPE_CHECKING: # pragma: no cover + from typing import ( + Dict, + FrozenSet, + IO, + Iterable, + Iterator, + List, + Optional, + Sequence, + Tuple, + Union, + ) + + PythonVersion = Sequence[int] + MacVersion = Tuple[int, int] + GlibcVersion = Tuple[int, int] + + +logger = logging.getLogger(__name__) INTERPRETER_SHORT_NAMES = { "python": "py", # Generic. @@ -26,34 +51,48 @@ INTERPRETER_SHORT_NAMES = { "pypy": "pp", "ironpython": "ip", "jython": "jy", -} +} # type: Dict[str, str] _32_BIT_INTERPRETER = sys.maxsize <= 2 ** 32 class Tag(object): + """ + A representation of the tag triple for a wheel. + + Instances are considered immutable and thus are hashable. Equality checking + is also supported. + """ __slots__ = ["_interpreter", "_abi", "_platform"] def __init__(self, interpreter, abi, platform): + # type: (str, str, str) -> None self._interpreter = interpreter.lower() self._abi = abi.lower() self._platform = platform.lower() @property def interpreter(self): + # type: () -> str return self._interpreter @property def abi(self): + # type: () -> str return self._abi @property def platform(self): + # type: () -> str return self._platform def __eq__(self, other): + # type: (object) -> bool + if not isinstance(other, Tag): + return NotImplemented + return ( (self.platform == other.platform) and (self.abi == other.abi) @@ -61,16 +100,26 @@ class Tag(object): ) def __hash__(self): + # type: () -> int return hash((self._interpreter, self._abi, self._platform)) def __str__(self): + # type: () -> str return "{}-{}-{}".format(self._interpreter, self._abi, self._platform) def __repr__(self): + # type: () -> str return "<{self} @ {self_id}>".format(self=self, self_id=id(self)) def parse_tag(tag): + # type: (str) -> FrozenSet[Tag] + """ + Parses the provided tag (e.g. `py3-none-any`) into a frozenset of Tag instances. + + Returning a set is required due to the possibility that the tag is a + compressed tag set. + """ tags = set() interpreters, abis, platforms = tag.split("-") for interpreter in interpreters.split("."): @@ -80,20 +129,54 @@ def parse_tag(tag): return frozenset(tags) +def _warn_keyword_parameter(func_name, kwargs): + # type: (str, Dict[str, bool]) -> bool + """ + Backwards-compatibility with Python 2.7 to allow treating 'warn' as keyword-only. + """ + if not kwargs: + return False + elif len(kwargs) > 1 or "warn" not in kwargs: + kwargs.pop("warn", None) + arg = next(iter(kwargs.keys())) + raise TypeError( + "{}() got an unexpected keyword argument {!r}".format(func_name, arg) + ) + return kwargs["warn"] + + +def _get_config_var(name, warn=False): + # type: (str, bool) -> Union[int, str, None] + value = sysconfig.get_config_var(name) + if value is None and warn: + logger.debug( + "Config variable '%s' is unset, Python ABI tag may be incorrect", name + ) + return value + + def _normalize_string(string): + # type: (str) -> str return string.replace(".", "_").replace("-", "_") -def _cpython_interpreter(py_version): - # TODO: Is using py_version_nodot for interpreter version critical? - return "cp{major}{minor}".format(major=py_version[0], minor=py_version[1]) +def _abi3_applies(python_version): + # type: (PythonVersion) -> bool + """ + Determine if the Python version supports abi3. + + PEP 384 was first implemented in Python 3.2. + """ + return len(python_version) > 1 and tuple(python_version) >= (3, 2) -def _cpython_abis(py_version): +def _cpython_abis(py_version, warn=False): + # type: (PythonVersion, bool) -> List[str] + py_version = tuple(py_version) # To allow for version comparison. abis = [] - version = "{}{}".format(*py_version[:2]) + version = _version_nodot(py_version[:2]) debug = pymalloc = ucs4 = "" - with_debug = sysconfig.get_config_var("Py_DEBUG") + with_debug = _get_config_var("Py_DEBUG", warn) has_refcount = hasattr(sys, "gettotalrefcount") # Windows doesn't set Py_DEBUG, so checking for support of debug-compiled # extension modules is the best option. @@ -102,11 +185,11 @@ def _cpython_abis(py_version): if with_debug or (with_debug is None and (has_refcount or has_ext)): debug = "d" if py_version < (3, 8): - with_pymalloc = sysconfig.get_config_var("WITH_PYMALLOC") + with_pymalloc = _get_config_var("WITH_PYMALLOC", warn) if with_pymalloc or with_pymalloc is None: pymalloc = "m" if py_version < (3, 3): - unicode_size = sysconfig.get_config_var("Py_UNICODE_SIZE") + unicode_size = _get_config_var("Py_UNICODE_SIZE", warn) if unicode_size == 4 or ( unicode_size is None and sys.maxunicode == 0x10FFFF ): @@ -124,86 +207,148 @@ def _cpython_abis(py_version): return abis -def _cpython_tags(py_version, interpreter, abis, platforms): +def cpython_tags( + python_version=None, # type: Optional[PythonVersion] + abis=None, # type: Optional[Iterable[str]] + platforms=None, # type: Optional[Iterable[str]] + **kwargs # type: bool +): + # type: (...) -> Iterator[Tag] + """ + Yields the tags for a CPython interpreter. + + The tags consist of: + - cp<python_version>-<abi>-<platform> + - cp<python_version>-abi3-<platform> + - cp<python_version>-none-<platform> + - cp<less than python_version>-abi3-<platform> # Older Python versions down to 3.2. + + If python_version only specifies a major version then user-provided ABIs and + the 'none' ABItag will be used. + + If 'abi3' or 'none' are specified in 'abis' then they will be yielded at + their normal position and not at the beginning. + """ + warn = _warn_keyword_parameter("cpython_tags", kwargs) + if not python_version: + python_version = sys.version_info[:2] + + interpreter = "cp{}".format(_version_nodot(python_version[:2])) + + if abis is None: + if len(python_version) > 1: + abis = _cpython_abis(python_version, warn) + else: + abis = [] + abis = list(abis) + # 'abi3' and 'none' are explicitly handled later. + for explicit_abi in ("abi3", "none"): + try: + abis.remove(explicit_abi) + except ValueError: + pass + + platforms = list(platforms or _platform_tags()) for abi in abis: for platform_ in platforms: yield Tag(interpreter, abi, platform_) - for tag in (Tag(interpreter, "abi3", platform_) for platform_ in platforms): - yield tag + if _abi3_applies(python_version): + for tag in (Tag(interpreter, "abi3", platform_) for platform_ in platforms): + yield tag for tag in (Tag(interpreter, "none", platform_) for platform_ in platforms): yield tag - # PEP 384 was first implemented in Python 3.2. - for minor_version in range(py_version[1] - 1, 1, -1): - for platform_ in platforms: - interpreter = "cp{major}{minor}".format( - major=py_version[0], minor=minor_version - ) - yield Tag(interpreter, "abi3", platform_) - -def _pypy_interpreter(): - return "pp{py_major}{pypy_major}{pypy_minor}".format( - py_major=sys.version_info[0], - pypy_major=sys.pypy_version_info.major, - pypy_minor=sys.pypy_version_info.minor, - ) + if _abi3_applies(python_version): + for minor_version in range(python_version[1] - 1, 1, -1): + for platform_ in platforms: + interpreter = "cp{version}".format( + version=_version_nodot((python_version[0], minor_version)) + ) + yield Tag(interpreter, "abi3", platform_) def _generic_abi(): + # type: () -> Iterator[str] abi = sysconfig.get_config_var("SOABI") if abi: - return _normalize_string(abi) - else: - return "none" + yield _normalize_string(abi) -def _pypy_tags(py_version, interpreter, abi, platforms): - for tag in (Tag(interpreter, abi, platform) for platform in platforms): - yield tag - for tag in (Tag(interpreter, "none", platform) for platform in platforms): - yield tag +def generic_tags( + interpreter=None, # type: Optional[str] + abis=None, # type: Optional[Iterable[str]] + platforms=None, # type: Optional[Iterable[str]] + **kwargs # type: bool +): + # type: (...) -> Iterator[Tag] + """ + Yields the tags for a generic interpreter. + The tags consist of: + - <interpreter>-<abi>-<platform> -def _generic_tags(interpreter, py_version, abi, platforms): - for tag in (Tag(interpreter, abi, platform) for platform in platforms): - yield tag - if abi != "none": - tags = (Tag(interpreter, "none", platform_) for platform_ in platforms) - for tag in tags: - yield tag + The "none" ABI will be added if it was not explicitly provided. + """ + warn = _warn_keyword_parameter("generic_tags", kwargs) + if not interpreter: + interp_name = interpreter_name() + interp_version = interpreter_version(warn=warn) + interpreter = "".join([interp_name, interp_version]) + if abis is None: + abis = _generic_abi() + platforms = list(platforms or _platform_tags()) + abis = list(abis) + if "none" not in abis: + abis.append("none") + for abi in abis: + for platform_ in platforms: + yield Tag(interpreter, abi, platform_) def _py_interpreter_range(py_version): + # type: (PythonVersion) -> Iterator[str] """ - Yield Python versions in descending order. + Yields Python versions in descending order. After the latest version, the major-only version will be yielded, and then - all following versions up to 'end'. + all previous versions of that major version. """ - yield "py{major}{minor}".format(major=py_version[0], minor=py_version[1]) + if len(py_version) > 1: + yield "py{version}".format(version=_version_nodot(py_version[:2])) yield "py{major}".format(major=py_version[0]) - for minor in range(py_version[1] - 1, -1, -1): - yield "py{major}{minor}".format(major=py_version[0], minor=minor) + if len(py_version) > 1: + for minor in range(py_version[1] - 1, -1, -1): + yield "py{version}".format(version=_version_nodot((py_version[0], minor))) -def _independent_tags(interpreter, py_version, platforms): +def compatible_tags( + python_version=None, # type: Optional[PythonVersion] + interpreter=None, # type: Optional[str] + platforms=None, # type: Optional[Iterable[str]] +): + # type: (...) -> Iterator[Tag] """ - Return the sequence of tags that are consistent across implementations. + Yields the sequence of tags that are compatible with a specific version of Python. The tags consist of: - py*-none-<platform> - - <interpreter>-none-any + - <interpreter>-none-any # ... if `interpreter` is provided. - py*-none-any """ - for version in _py_interpreter_range(py_version): + if not python_version: + python_version = sys.version_info[:2] + platforms = list(platforms or _platform_tags()) + for version in _py_interpreter_range(python_version): for platform_ in platforms: yield Tag(version, "none", platform_) - yield Tag(interpreter, "none", "any") - for version in _py_interpreter_range(py_version): + if interpreter: + yield Tag(interpreter, "none", "any") + for version in _py_interpreter_range(python_version): yield Tag(version, "none", "any") def _mac_arch(arch, is_32bit=_32_BIT_INTERPRETER): + # type: (str, bool) -> str if not is_32bit: return arch @@ -214,6 +359,7 @@ def _mac_arch(arch, is_32bit=_32_BIT_INTERPRETER): def _mac_binary_formats(version, cpu_arch): + # type: (MacVersion, str) -> List[str] formats = [cpu_arch] if cpu_arch == "x86_64": if version < (10, 4): @@ -240,32 +386,42 @@ def _mac_binary_formats(version, cpu_arch): return formats -def _mac_platforms(version=None, arch=None): - version_str, _, cpu_arch = platform.mac_ver() +def mac_platforms(version=None, arch=None): + # type: (Optional[MacVersion], Optional[str]) -> Iterator[str] + """ + Yields the platform tags for a macOS system. + + The `version` parameter is a two-item tuple specifying the macOS version to + generate platform tags for. The `arch` parameter is the CPU architecture to + generate platform tags for. Both parameters default to the appropriate value + for the current system. + """ + version_str, _, cpu_arch = platform.mac_ver() # type: ignore if version is None: - version = tuple(map(int, version_str.split(".")[:2])) + version = cast("MacVersion", tuple(map(int, version_str.split(".")[:2]))) + else: + version = version if arch is None: arch = _mac_arch(cpu_arch) - platforms = [] + else: + arch = arch for minor_version in range(version[1], -1, -1): compat_version = version[0], minor_version binary_formats = _mac_binary_formats(compat_version, arch) for binary_format in binary_formats: - platforms.append( - "macosx_{major}_{minor}_{binary_format}".format( - major=compat_version[0], - minor=compat_version[1], - binary_format=binary_format, - ) + yield "macosx_{major}_{minor}_{binary_format}".format( + major=compat_version[0], + minor=compat_version[1], + binary_format=binary_format, ) - return platforms # From PEP 513. def _is_manylinux_compatible(name, glibc_version): + # type: (str, GlibcVersion) -> bool # Check for presence of _manylinux module. try: - import _manylinux + import _manylinux # noqa return bool(getattr(_manylinux, name + "_compatible")) except (ImportError, AttributeError): @@ -276,14 +432,50 @@ def _is_manylinux_compatible(name, glibc_version): def _glibc_version_string(): + # type: () -> Optional[str] # Returns glibc version string, or None if not using glibc. - import ctypes + return _glibc_version_string_confstr() or _glibc_version_string_ctypes() + + +def _glibc_version_string_confstr(): + # type: () -> Optional[str] + """ + Primary implementation of glibc_version_string using os.confstr. + """ + # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely + # to be broken or missing. This strategy is used in the standard library + # platform module. + # https://github.com/python/cpython/blob/fcf1d003bf4f0100c9d0921ff3d70e1127ca1b71/Lib/platform.py#L175-L183 + try: + # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17". + version_string = os.confstr( # type: ignore[attr-defined] # noqa: F821 + "CS_GNU_LIBC_VERSION" + ) + assert version_string is not None + _, version = version_string.split() # type: Tuple[str, str] + except (AssertionError, AttributeError, OSError, ValueError): + # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)... + return None + return version + + +def _glibc_version_string_ctypes(): + # type: () -> Optional[str] + """ + Fallback implementation of glibc_version_string using ctypes. + """ + try: + import ctypes + except ImportError: + return None # ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen # manpage says, "If filename is NULL, then the returned handle is for the # main program". This way we can let the linker do the work to figure out # which libc our process is actually using. - process_namespace = ctypes.CDLL(None) + # + # Note: typeshed is wrong here so we are ignoring this line. + process_namespace = ctypes.CDLL(None) # type: ignore try: gnu_get_libc_version = process_namespace.gnu_get_libc_version except AttributeError: @@ -293,7 +485,7 @@ def _glibc_version_string(): # Call gnu_get_libc_version, which returns a string like "2.5" gnu_get_libc_version.restype = ctypes.c_char_p - version_str = gnu_get_libc_version() + version_str = gnu_get_libc_version() # type: str # py2 / py3 compatibility: if not isinstance(version_str, str): version_str = version_str.decode("ascii") @@ -303,6 +495,7 @@ def _glibc_version_string(): # Separated out from have_compatible_glibc for easier unit testing. def _check_glibc_version(version_str, required_major, minimum_minor): + # type: (str, int, int) -> bool # Parse string and check against requested version. # # We use a regexp instead of str.split because we want to discard any @@ -324,81 +517,235 @@ def _check_glibc_version(version_str, required_major, minimum_minor): def _have_compatible_glibc(required_major, minimum_minor): + # type: (int, int) -> bool version_str = _glibc_version_string() if version_str is None: return False return _check_glibc_version(version_str, required_major, minimum_minor) +# Python does not provide platform information at sufficient granularity to +# identify the architecture of the running executable in some cases, so we +# determine it dynamically by reading the information from the running +# process. This only applies on Linux, which uses the ELF format. +class _ELFFileHeader(object): + # https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header + class _InvalidELFFileHeader(ValueError): + """ + An invalid ELF file header was found. + """ + + ELF_MAGIC_NUMBER = 0x7F454C46 + ELFCLASS32 = 1 + ELFCLASS64 = 2 + ELFDATA2LSB = 1 + ELFDATA2MSB = 2 + EM_386 = 3 + EM_S390 = 22 + EM_ARM = 40 + EM_X86_64 = 62 + EF_ARM_ABIMASK = 0xFF000000 + EF_ARM_ABI_VER5 = 0x05000000 + EF_ARM_ABI_FLOAT_HARD = 0x00000400 + + def __init__(self, file): + # type: (IO[bytes]) -> None + def unpack(fmt): + # type: (str) -> int + try: + (result,) = struct.unpack( + fmt, file.read(struct.calcsize(fmt)) + ) # type: (int, ) + except struct.error: + raise _ELFFileHeader._InvalidELFFileHeader() + return result + + self.e_ident_magic = unpack(">I") + if self.e_ident_magic != self.ELF_MAGIC_NUMBER: + raise _ELFFileHeader._InvalidELFFileHeader() + self.e_ident_class = unpack("B") + if self.e_ident_class not in {self.ELFCLASS32, self.ELFCLASS64}: + raise _ELFFileHeader._InvalidELFFileHeader() + self.e_ident_data = unpack("B") + if self.e_ident_data not in {self.ELFDATA2LSB, self.ELFDATA2MSB}: + raise _ELFFileHeader._InvalidELFFileHeader() + self.e_ident_version = unpack("B") + self.e_ident_osabi = unpack("B") + self.e_ident_abiversion = unpack("B") + self.e_ident_pad = file.read(7) + format_h = "<H" if self.e_ident_data == self.ELFDATA2LSB else ">H" + format_i = "<I" if self.e_ident_data == self.ELFDATA2LSB else ">I" + format_q = "<Q" if self.e_ident_data == self.ELFDATA2LSB else ">Q" + format_p = format_i if self.e_ident_class == self.ELFCLASS32 else format_q + self.e_type = unpack(format_h) + self.e_machine = unpack(format_h) + self.e_version = unpack(format_i) + self.e_entry = unpack(format_p) + self.e_phoff = unpack(format_p) + self.e_shoff = unpack(format_p) + self.e_flags = unpack(format_i) + self.e_ehsize = unpack(format_h) + self.e_phentsize = unpack(format_h) + self.e_phnum = unpack(format_h) + self.e_shentsize = unpack(format_h) + self.e_shnum = unpack(format_h) + self.e_shstrndx = unpack(format_h) + + +def _get_elf_header(): + # type: () -> Optional[_ELFFileHeader] + try: + with open(sys.executable, "rb") as f: + elf_header = _ELFFileHeader(f) + except (IOError, OSError, TypeError, _ELFFileHeader._InvalidELFFileHeader): + return None + return elf_header + + +def _is_linux_armhf(): + # type: () -> bool + # hard-float ABI can be detected from the ELF header of the running + # process + # https://static.docs.arm.com/ihi0044/g/aaelf32.pdf + elf_header = _get_elf_header() + if elf_header is None: + return False + result = elf_header.e_ident_class == elf_header.ELFCLASS32 + result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB + result &= elf_header.e_machine == elf_header.EM_ARM + result &= ( + elf_header.e_flags & elf_header.EF_ARM_ABIMASK + ) == elf_header.EF_ARM_ABI_VER5 + result &= ( + elf_header.e_flags & elf_header.EF_ARM_ABI_FLOAT_HARD + ) == elf_header.EF_ARM_ABI_FLOAT_HARD + return result + + +def _is_linux_i686(): + # type: () -> bool + elf_header = _get_elf_header() + if elf_header is None: + return False + result = elf_header.e_ident_class == elf_header.ELFCLASS32 + result &= elf_header.e_ident_data == elf_header.ELFDATA2LSB + result &= elf_header.e_machine == elf_header.EM_386 + return result + + +def _have_compatible_manylinux_abi(arch): + # type: (str) -> bool + if arch == "armv7l": + return _is_linux_armhf() + if arch == "i686": + return _is_linux_i686() + return True + + def _linux_platforms(is_32bit=_32_BIT_INTERPRETER): + # type: (bool) -> Iterator[str] linux = _normalize_string(distutils.util.get_platform()) - if linux == "linux_x86_64" and is_32bit: - linux = "linux_i686" - manylinux_support = ( - ("manylinux2014", (2, 17)), # CentOS 7 w/ glibc 2.17 (PEP 599) - ("manylinux2010", (2, 12)), # CentOS 6 w/ glibc 2.12 (PEP 571) - ("manylinux1", (2, 5)), # CentOS 5 w/ glibc 2.5 (PEP 513) - ) + if is_32bit: + if linux == "linux_x86_64": + linux = "linux_i686" + elif linux == "linux_aarch64": + linux = "linux_armv7l" + manylinux_support = [] + _, arch = linux.split("_", 1) + if _have_compatible_manylinux_abi(arch): + if arch in {"x86_64", "i686", "aarch64", "armv7l", "ppc64", "ppc64le", "s390x"}: + manylinux_support.append( + ("manylinux2014", (2, 17)) + ) # CentOS 7 w/ glibc 2.17 (PEP 599) + if arch in {"x86_64", "i686"}: + manylinux_support.append( + ("manylinux2010", (2, 12)) + ) # CentOS 6 w/ glibc 2.12 (PEP 571) + manylinux_support.append( + ("manylinux1", (2, 5)) + ) # CentOS 5 w/ glibc 2.5 (PEP 513) manylinux_support_iter = iter(manylinux_support) for name, glibc_version in manylinux_support_iter: if _is_manylinux_compatible(name, glibc_version): - platforms = [linux.replace("linux", name)] + yield linux.replace("linux", name) break - else: - platforms = [] # Support for a later manylinux implies support for an earlier version. - platforms += [linux.replace("linux", name) for name, _ in manylinux_support_iter] - platforms.append(linux) - return platforms + for name, _ in manylinux_support_iter: + yield linux.replace("linux", name) + yield linux def _generic_platforms(): - platform = _normalize_string(distutils.util.get_platform()) - return [platform] + # type: () -> Iterator[str] + yield _normalize_string(distutils.util.get_platform()) -def _interpreter_name(): - name = platform.python_implementation().lower() +def _platform_tags(): + # type: () -> Iterator[str] + """ + Provides the platform tags for this installation. + """ + if platform.system() == "Darwin": + return mac_platforms() + elif platform.system() == "Linux": + return _linux_platforms() + else: + return _generic_platforms() + + +def interpreter_name(): + # type: () -> str + """ + Returns the name of the running interpreter. + """ + try: + name = sys.implementation.name # type: ignore + except AttributeError: # pragma: no cover + # Python 2.7 compatibility. + name = platform.python_implementation().lower() return INTERPRETER_SHORT_NAMES.get(name) or name -def _generic_interpreter(name, py_version): - version = sysconfig.get_config_var("py_version_nodot") - if not version: - version = "".join(map(str, py_version[:2])) - return "{name}{version}".format(name=name, version=version) +def interpreter_version(**kwargs): + # type: (bool) -> str + """ + Returns the version of the running interpreter. + """ + warn = _warn_keyword_parameter("interpreter_version", kwargs) + version = _get_config_var("py_version_nodot", warn=warn) + if version: + version = str(version) + else: + version = _version_nodot(sys.version_info[:2]) + return version + + +def _version_nodot(version): + # type: (PythonVersion) -> str + if any(v >= 10 for v in version): + sep = "_" + else: + sep = "" + return sep.join(map(str, version)) -def sys_tags(): +def sys_tags(**kwargs): + # type: (bool) -> Iterator[Tag] """ Returns the sequence of tag triples for the running interpreter. The order of the sequence corresponds to priority order for the interpreter, from most to least important. """ - py_version = sys.version_info[:2] - interpreter_name = _interpreter_name() - if platform.system() == "Darwin": - platforms = _mac_platforms() - elif platform.system() == "Linux": - platforms = _linux_platforms() - else: - platforms = _generic_platforms() + warn = _warn_keyword_parameter("sys_tags", kwargs) - if interpreter_name == "cp": - interpreter = _cpython_interpreter(py_version) - abis = _cpython_abis(py_version) - for tag in _cpython_tags(py_version, interpreter, abis, platforms): - yield tag - elif interpreter_name == "pp": - interpreter = _pypy_interpreter() - abi = _generic_abi() - for tag in _pypy_tags(py_version, interpreter, abi, platforms): + interp_name = interpreter_name() + if interp_name == "cp": + for tag in cpython_tags(warn=warn): yield tag else: - interpreter = _generic_interpreter(interpreter_name, py_version) - abi = _generic_abi() - for tag in _generic_tags(interpreter, py_version, abi, platforms): + for tag in generic_tags(): yield tag - for tag in _independent_tags(interpreter, py_version, platforms): + + for tag in compatible_tags(): yield tag diff --git a/setuptools/_vendor/packaging/utils.py b/setuptools/_vendor/packaging/utils.py index 88418786..19579c1a 100644 --- a/setuptools/_vendor/packaging/utils.py +++ b/setuptools/_vendor/packaging/utils.py @@ -5,28 +5,36 @@ from __future__ import absolute_import, division, print_function import re +from ._typing import TYPE_CHECKING, cast from .version import InvalidVersion, Version +if TYPE_CHECKING: # pragma: no cover + from typing import NewType, Union + + NormalizedName = NewType("NormalizedName", str) _canonicalize_regex = re.compile(r"[-_.]+") def canonicalize_name(name): + # type: (str) -> NormalizedName # This is taken from PEP 503. - return _canonicalize_regex.sub("-", name).lower() + value = _canonicalize_regex.sub("-", name).lower() + return cast("NormalizedName", value) -def canonicalize_version(version): +def canonicalize_version(_version): + # type: (str) -> Union[Version, str] """ - This is very similar to Version.__str__, but has one subtle differences + This is very similar to Version.__str__, but has one subtle difference with the way it handles the release segment. """ try: - version = Version(version) + version = Version(_version) except InvalidVersion: # Legacy versions cannot be normalized - return version + return _version parts = [] diff --git a/setuptools/_vendor/packaging/version.py b/setuptools/_vendor/packaging/version.py index 95157a1f..00371e86 100644 --- a/setuptools/_vendor/packaging/version.py +++ b/setuptools/_vendor/packaging/version.py @@ -7,8 +7,35 @@ import collections import itertools import re -from ._structures import Infinity - +from ._structures import Infinity, NegativeInfinity +from ._typing import TYPE_CHECKING + +if TYPE_CHECKING: # pragma: no cover + from typing import Callable, Iterator, List, Optional, SupportsInt, Tuple, Union + + from ._structures import InfinityType, NegativeInfinityType + + InfiniteTypes = Union[InfinityType, NegativeInfinityType] + PrePostDevType = Union[InfiniteTypes, Tuple[str, int]] + SubLocalType = Union[InfiniteTypes, int, str] + LocalType = Union[ + NegativeInfinityType, + Tuple[ + Union[ + SubLocalType, + Tuple[SubLocalType, str], + Tuple[NegativeInfinityType, SubLocalType], + ], + ..., + ], + ] + CmpKey = Tuple[ + int, Tuple[int, ...], PrePostDevType, PrePostDevType, PrePostDevType, LocalType + ] + LegacyCmpKey = Tuple[int, Tuple[str, ...]] + VersionComparisonMethod = Callable[ + [Union[CmpKey, LegacyCmpKey], Union[CmpKey, LegacyCmpKey]], bool + ] __all__ = ["parse", "Version", "LegacyVersion", "InvalidVersion", "VERSION_PATTERN"] @@ -19,6 +46,7 @@ _Version = collections.namedtuple( def parse(version): + # type: (str) -> Union[LegacyVersion, Version] """ Parse the given version string and return either a :class:`Version` object or a :class:`LegacyVersion` object depending on if the given version is @@ -37,28 +65,38 @@ class InvalidVersion(ValueError): class _BaseVersion(object): + _key = None # type: Union[CmpKey, LegacyCmpKey] + def __hash__(self): + # type: () -> int return hash(self._key) def __lt__(self, other): + # type: (_BaseVersion) -> bool return self._compare(other, lambda s, o: s < o) def __le__(self, other): + # type: (_BaseVersion) -> bool return self._compare(other, lambda s, o: s <= o) def __eq__(self, other): + # type: (object) -> bool return self._compare(other, lambda s, o: s == o) def __ge__(self, other): + # type: (_BaseVersion) -> bool return self._compare(other, lambda s, o: s >= o) def __gt__(self, other): + # type: (_BaseVersion) -> bool return self._compare(other, lambda s, o: s > o) def __ne__(self, other): + # type: (object) -> bool return self._compare(other, lambda s, o: s != o) def _compare(self, other, method): + # type: (object, VersionComparisonMethod) -> Union[bool, NotImplemented] if not isinstance(other, _BaseVersion): return NotImplemented @@ -67,57 +105,71 @@ class _BaseVersion(object): class LegacyVersion(_BaseVersion): def __init__(self, version): + # type: (str) -> None self._version = str(version) self._key = _legacy_cmpkey(self._version) def __str__(self): + # type: () -> str return self._version def __repr__(self): + # type: () -> str return "<LegacyVersion({0})>".format(repr(str(self))) @property def public(self): + # type: () -> str return self._version @property def base_version(self): + # type: () -> str return self._version @property def epoch(self): + # type: () -> int return -1 @property def release(self): + # type: () -> None return None @property def pre(self): + # type: () -> None return None @property def post(self): + # type: () -> None return None @property def dev(self): + # type: () -> None return None @property def local(self): + # type: () -> None return None @property def is_prerelease(self): + # type: () -> bool return False @property def is_postrelease(self): + # type: () -> bool return False @property def is_devrelease(self): + # type: () -> bool return False @@ -133,6 +185,7 @@ _legacy_version_replacement_map = { def _parse_version_parts(s): + # type: (str) -> Iterator[str] for part in _legacy_version_component_re.split(s): part = _legacy_version_replacement_map.get(part, part) @@ -150,6 +203,8 @@ def _parse_version_parts(s): def _legacy_cmpkey(version): + # type: (str) -> LegacyCmpKey + # We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch # greater than or equal to 0. This will effectively put the LegacyVersion, # which uses the defacto standard originally implemented by setuptools, @@ -158,7 +213,7 @@ def _legacy_cmpkey(version): # This scheme is taken from pkg_resources.parse_version setuptools prior to # it's adoption of the packaging library. - parts = [] + parts = [] # type: List[str] for part in _parse_version_parts(version.lower()): if part.startswith("*"): # remove "-" before a prerelease tag @@ -171,9 +226,8 @@ def _legacy_cmpkey(version): parts.pop() parts.append(part) - parts = tuple(parts) - return epoch, parts + return epoch, tuple(parts) # Deliberately not anchored to the start and end of the string, to make it @@ -215,6 +269,8 @@ class Version(_BaseVersion): _regex = re.compile(r"^\s*" + VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE) def __init__(self, version): + # type: (str) -> None + # Validate the version and parse it into pieces match = self._regex.search(version) if not match: @@ -243,9 +299,11 @@ class Version(_BaseVersion): ) def __repr__(self): + # type: () -> str return "<Version({0})>".format(repr(str(self))) def __str__(self): + # type: () -> str parts = [] # Epoch @@ -275,26 +333,35 @@ class Version(_BaseVersion): @property def epoch(self): - return self._version.epoch + # type: () -> int + _epoch = self._version.epoch # type: int + return _epoch @property def release(self): - return self._version.release + # type: () -> Tuple[int, ...] + _release = self._version.release # type: Tuple[int, ...] + return _release @property def pre(self): - return self._version.pre + # type: () -> Optional[Tuple[str, int]] + _pre = self._version.pre # type: Optional[Tuple[str, int]] + return _pre @property def post(self): + # type: () -> Optional[Tuple[str, int]] return self._version.post[1] if self._version.post else None @property def dev(self): + # type: () -> Optional[Tuple[str, int]] return self._version.dev[1] if self._version.dev else None @property def local(self): + # type: () -> Optional[str] if self._version.local: return ".".join(str(x) for x in self._version.local) else: @@ -302,10 +369,12 @@ class Version(_BaseVersion): @property def public(self): + # type: () -> str return str(self).split("+", 1)[0] @property def base_version(self): + # type: () -> str parts = [] # Epoch @@ -319,18 +388,41 @@ class Version(_BaseVersion): @property def is_prerelease(self): + # type: () -> bool return self.dev is not None or self.pre is not None @property def is_postrelease(self): + # type: () -> bool return self.post is not None @property def is_devrelease(self): + # type: () -> bool return self.dev is not None + @property + def major(self): + # type: () -> int + return self.release[0] if len(self.release) >= 1 else 0 + + @property + def minor(self): + # type: () -> int + return self.release[1] if len(self.release) >= 2 else 0 + + @property + def micro(self): + # type: () -> int + return self.release[2] if len(self.release) >= 3 else 0 + + +def _parse_letter_version( + letter, # type: str + number, # type: Union[str, bytes, SupportsInt] +): + # type: (...) -> Optional[Tuple[str, int]] -def _parse_letter_version(letter, number): if letter: # We consider there to be an implicit 0 in a pre-release if there is # not a numeral associated with it. @@ -360,11 +452,14 @@ def _parse_letter_version(letter, number): return letter, int(number) + return None + _local_version_separators = re.compile(r"[\._-]") def _parse_local_version(local): + # type: (str) -> Optional[LocalType] """ Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve"). """ @@ -373,15 +468,25 @@ def _parse_local_version(local): part.lower() if not part.isdigit() else int(part) for part in _local_version_separators.split(local) ) + return None + +def _cmpkey( + epoch, # type: int + release, # type: Tuple[int, ...] + pre, # type: Optional[Tuple[str, int]] + post, # type: Optional[Tuple[str, int]] + dev, # type: Optional[Tuple[str, int]] + local, # type: Optional[Tuple[SubLocalType]] +): + # type: (...) -> CmpKey -def _cmpkey(epoch, release, pre, post, dev, local): # When we compare a release version, we want to compare it with all of the # trailing zeros removed. So we'll use a reverse the list, drop all the now # leading zeros until we come to something non zero, then take the rest # re-reverse it back into the correct order and make it a tuple and use # that for our sorting key. - release = tuple( + _release = tuple( reversed(list(itertools.dropwhile(lambda x: x == 0, reversed(release)))) ) @@ -390,23 +495,31 @@ def _cmpkey(epoch, release, pre, post, dev, local): # if there is not a pre or a post segment. If we have one of those then # the normal sorting rules will handle this case correctly. if pre is None and post is None and dev is not None: - pre = -Infinity + _pre = NegativeInfinity # type: PrePostDevType # Versions without a pre-release (except as noted above) should sort after # those with one. elif pre is None: - pre = Infinity + _pre = Infinity + else: + _pre = pre # Versions without a post segment should sort before those with one. if post is None: - post = -Infinity + _post = NegativeInfinity # type: PrePostDevType + + else: + _post = post # Versions without a development segment should sort after those with one. if dev is None: - dev = Infinity + _dev = Infinity # type: PrePostDevType + + else: + _dev = dev if local is None: # Versions without a local segment should sort before those with one. - local = -Infinity + _local = NegativeInfinity # type: LocalType else: # Versions with a local segment need that segment parsed to implement # the sorting rules in PEP440. @@ -415,6 +528,8 @@ def _cmpkey(epoch, release, pre, post, dev, local): # - Numeric segments sort numerically # - Shorter versions sort before longer versions when the prefixes # match exactly - local = tuple((i, "") if isinstance(i, int) else (-Infinity, i) for i in local) + _local = tuple( + (i, "") if isinstance(i, int) else (NegativeInfinity, i) for i in local + ) - return epoch, release, pre, post, dev, local + return epoch, _release, _pre, _post, _dev, _local diff --git a/setuptools/_vendor/vendored.txt b/setuptools/_vendor/vendored.txt index 65183d9a..288d0770 100644 --- a/setuptools/_vendor/vendored.txt +++ b/setuptools/_vendor/vendored.txt @@ -1,4 +1,4 @@ -packaging==19.2 +packaging==20.4 pyparsing==2.2.1 six==1.10.0 ordered-set==3.1.1 diff --git a/setuptools/build_meta.py b/setuptools/build_meta.py index 46266814..37132187 100644 --- a/setuptools/build_meta.py +++ b/setuptools/build_meta.py @@ -75,6 +75,22 @@ class Distribution(setuptools.dist.Distribution): distutils.core.Distribution = orig +@contextlib.contextmanager +def no_install_setup_requires(): + """Temporarily disable installing setup_requires + + Under PEP 517, the backend reports build dependencies to the frontend, + and the frontend is responsible for ensuring they're installed. + So setuptools (acting as a backend) should not try to install them. + """ + orig = setuptools._install_setup_requires + setuptools._install_setup_requires = lambda attrs: None + try: + yield + finally: + setuptools._install_setup_requires = orig + + def _to_str(s): """ Convert a filename to a string (on Python 2, explicitly @@ -154,7 +170,8 @@ class _BuildMetaBackend(object): config_settings=None): sys.argv = sys.argv[:1] + ['dist_info', '--egg-base', _to_str(metadata_directory)] - self.run_setup() + with no_install_setup_requires(): + self.run_setup() dist_info_directory = metadata_directory while True: @@ -194,7 +211,8 @@ class _BuildMetaBackend(object): sys.argv = (sys.argv[:1] + setup_command + ['--dist-dir', tmp_dist_dir] + config_settings["--global-option"]) - self.run_setup() + with no_install_setup_requires(): + self.run_setup() result_basename = _file_with_extension( tmp_dist_dir, result_extension) diff --git a/setuptools/command/bdist_egg.py b/setuptools/command/bdist_egg.py index 7af3165c..4be15457 100644 --- a/setuptools/command/bdist_egg.py +++ b/setuptools/command/bdist_egg.py @@ -55,11 +55,12 @@ def write_stub(resource, pyfile): _stub_template = textwrap.dedent(""" def __bootstrap__(): global __bootstrap__, __loader__, __file__ - import sys, pkg_resources - from importlib.machinery import ExtensionFileLoader + import sys, pkg_resources, importlib.util __file__ = pkg_resources.resource_filename(__name__, %r) __loader__ = None; del __bootstrap__, __loader__ - ExtensionFileLoader(__name__,__file__).load_module() + spec = importlib.util.spec_from_file_location(__name__,__file__) + mod = importlib.util.module_from_spec(spec) + spec.loader.exec_module(mod) __bootstrap__() """).lstrip() with open(pyfile, 'w') as f: diff --git a/setuptools/command/build_ext.py b/setuptools/command/build_ext.py index 0eb29adc..89a0e328 100644 --- a/setuptools/command/build_ext.py +++ b/setuptools/command/build_ext.py @@ -254,8 +254,8 @@ class build_ext(_build_ext): '\n'.join([ "def __bootstrap__():", " global __bootstrap__, __file__, __loader__", - " import sys, os, pkg_resources" + if_dl(", dl"), - " from importlib.machinery import ExtensionFileLoader", + " import sys, os, pkg_resources, importlib.util" + + if_dl(", dl"), " __file__ = pkg_resources.resource_filename" "(__name__,%r)" % os.path.basename(ext._file_name), @@ -267,8 +267,10 @@ class build_ext(_build_ext): " try:", " os.chdir(os.path.dirname(__file__))", if_dl(" sys.setdlopenflags(dl.RTLD_NOW)"), - " ExtensionFileLoader(__name__,", - " __file__).load_module()", + " spec = importlib.util.spec_from_file_location(", + " __name__, __file__)", + " mod = importlib.util.module_from_spec(spec)", + " spec.loader.exec_module(mod)", " finally:", if_dl(" sys.setdlopenflags(old_flags)"), " os.chdir(old_dir)", diff --git a/setuptools/tests/test_build_meta.py b/setuptools/tests/test_build_meta.py index 8fcf3055..fdb4b950 100644 --- a/setuptools/tests/test_build_meta.py +++ b/setuptools/tests/test_build_meta.py @@ -380,7 +380,7 @@ class TestBuildMetaBackend: setup( name="qux", version="0.0.0", - py_modules=["hello.py"], + py_modules=["hello"], setup_requires={setup_literal}, ) """).format(setup_literal=setup_literal), @@ -407,6 +407,35 @@ class TestBuildMetaBackend: assert expected == sorted(actual) + def test_dont_install_setup_requires(self, tmpdir_cwd): + files = { + 'setup.py': DALS(""" + from setuptools import setup + + setup( + name="qux", + version="0.0.0", + py_modules=["hello"], + setup_requires=["does-not-exist >99"], + ) + """), + 'hello.py': DALS(""" + def run(): + print('hello') + """), + } + + build_files(files) + + build_backend = self.get_build_backend() + + dist_dir = os.path.abspath('pip-dist-info') + os.makedirs(dist_dir) + + # does-not-exist can't be satisfied, so if it attempts to install + # setup_requires, it will fail. + build_backend.prepare_metadata_for_build_wheel(dist_dir) + _sys_argv_0_passthrough = { 'setup.py': DALS(""" import os |