diff options
Diffstat (limited to 'wheel/pep425tags.py')
| -rw-r--r-- | wheel/pep425tags.py | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/wheel/pep425tags.py b/wheel/pep425tags.py deleted file mode 100644 index a7bd4a9..0000000 --- a/wheel/pep425tags.py +++ /dev/null @@ -1,178 +0,0 @@ -"""Generate and work with PEP 425 Compatibility Tags.""" - -import sys -import warnings - -import sysconfig -import distutils.util - - -def get_config_var(var): - try: - return sysconfig.get_config_var(var) - except IOError as e: # pip Issue #1074 - warnings.warn("{0}".format(e), RuntimeWarning) - return None - - -def get_abbr_impl(): - """Return abbreviated implementation name.""" - if hasattr(sys, 'pypy_version_info'): - pyimpl = 'pp' - elif sys.platform.startswith('java'): - pyimpl = 'jy' - elif sys.platform == 'cli': - pyimpl = 'ip' - else: - pyimpl = 'cp' - return pyimpl - - -def get_impl_ver(): - """Return implementation version.""" - impl_ver = get_config_var("py_version_nodot") - if not impl_ver or get_abbr_impl() == 'pp': - impl_ver = ''.join(map(str, get_impl_version_info())) - return impl_ver - - -def get_impl_version_info(): - """Return sys.version_info-like tuple for use in decrementing the minor - version.""" - if get_abbr_impl() == 'pp': - # as per https://github.com/pypa/pip/issues/2882 - return (sys.version_info[0], sys.pypy_version_info.major, - sys.pypy_version_info.minor) - else: - return sys.version_info[0], sys.version_info[1] - - -def get_flag(var, fallback, expected=True, warn=True): - """Use a fallback method for determining SOABI flags if the needed config - var is unset or unavailable.""" - val = get_config_var(var) - if val is None: - if warn: - warnings.warn("Config variable '{0}' is unset, Python ABI tag may " - "be incorrect".format(var), RuntimeWarning, 2) - return fallback() - return val == expected - - -def get_abi_tag(): - """Return the ABI tag based on SOABI (if available) or emulate SOABI - (CPython 2, PyPy).""" - soabi = get_config_var('SOABI') - impl = get_abbr_impl() - if not soabi and impl in ('cp', 'pp') and hasattr(sys, 'maxunicode'): - d = '' - m = '' - u = '' - if get_flag('Py_DEBUG', - lambda: hasattr(sys, 'gettotalrefcount'), - warn=(impl == 'cp')): - d = 'd' - if get_flag('WITH_PYMALLOC', - lambda: impl == 'cp', - warn=(impl == 'cp')): - m = 'm' - if get_flag('Py_UNICODE_SIZE', - lambda: sys.maxunicode == 0x10ffff, - expected=4, - warn=(impl == 'cp' and - sys.version_info < (3, 3))) \ - and sys.version_info < (3, 3): - u = 'u' - abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u) - elif soabi and soabi.startswith('cpython-'): - abi = 'cp' + soabi.split('-')[1] - elif soabi: - abi = soabi.replace('.', '_').replace('-', '_') - else: - abi = None - return abi - - -def get_platform(): - """Return our platform name 'win32', 'linux_x86_64'""" - # XXX remove distutils dependency - result = distutils.util.get_platform().replace('.', '_').replace('-', '_') - if result == "linux_x86_64" and sys.maxsize == 2147483647: - # pip pull request #3497 - result = "linux_i686" - return result - - -def get_supported(versions=None, supplied_platform=None): - """Return a list of supported tags for each version specified in - `versions`. - - :param versions: a list of string versions, of the form ["33", "32"], - or None. The first version will be assumed to support our ABI. - """ - supported = [] - - # Versions must be given with respect to the preference - if versions is None: - versions = [] - version_info = get_impl_version_info() - major = version_info[:-1] - # Support all previous minor Python versions. - for minor in range(version_info[-1], -1, -1): - versions.append(''.join(map(str, major + (minor,)))) - - impl = get_abbr_impl() - - abis = [] - - abi = get_abi_tag() - if abi: - abis[0:0] = [abi] - - abi3s = set() - import imp - for suffix in imp.get_suffixes(): - if suffix[0].startswith('.abi'): - abi3s.add(suffix[0].split('.', 2)[1]) - - abis.extend(sorted(list(abi3s))) - - abis.append('none') - - platforms = [] - if supplied_platform: - platforms.append(supplied_platform) - platforms.append(get_platform()) - - # Current version, current API (built specifically for our Python): - for abi in abis: - for arch in platforms: - supported.append(('%s%s' % (impl, versions[0]), abi, arch)) - - # abi3 modules compatible with older version of Python - for version in versions[1:]: - # abi3 was introduced in Python 3.2 - if version in ('31', '30'): - break - for abi in abi3s: # empty set if not Python 3 - for arch in platforms: - supported.append(("%s%s" % (impl, version), abi, arch)) - - # No abi / arch, but requires our implementation: - for i, version in enumerate(versions): - supported.append(('%s%s' % (impl, version), 'none', 'any')) - if i == 0: - # Tagged specifically as being cross-version compatible - # (with just the major version specified) - supported.append(('%s%s' % (impl, versions[0][0]), 'none', 'any')) - - # Major Python version + platform; e.g. binaries not using the Python API - supported.append(('py%s' % (versions[0][0]), 'none', arch)) - - # No abi / arch, generic Python - for i, version in enumerate(versions): - supported.append(('py%s' % (version,), 'none', 'any')) - if i == 0: - supported.append(('py%s' % (version[0]), 'none', 'any')) - - return supported |