diff options
Diffstat (limited to 'src/pip/_internal/resolution/resolvelib/factory.py')
| -rw-r--r-- | src/pip/_internal/resolution/resolvelib/factory.py | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/src/pip/_internal/resolution/resolvelib/factory.py b/src/pip/_internal/resolution/resolvelib/factory.py index c723d343b..5cd333bad 100644 --- a/src/pip/_internal/resolution/resolvelib/factory.py +++ b/src/pip/_internal/resolution/resolvelib/factory.py @@ -5,6 +5,8 @@ from pip._vendor.packaging.utils import canonicalize_name from pip._internal.exceptions import ( DistributionNotFound, InstallationError, + InstallationSubprocessError, + MetadataInconsistent, UnsupportedPythonVersion, UnsupportedWheel, ) @@ -33,6 +35,7 @@ from .requirements import ( ExplicitRequirement, RequiresPythonRequirement, SpecifierRequirement, + UnsatisfiableRequirement, ) if MYPY_CHECK_RUNNING: @@ -96,6 +99,7 @@ class Factory(object): self._link_candidate_cache = {} # type: Cache[LinkCandidate] self._editable_candidate_cache = {} # type: Cache[EditableCandidate] + self._build_failures = {} # type: Cache[InstallationError] if not ignore_installed: self._installed_dists = { @@ -130,20 +134,34 @@ class Factory(object): name, # type: Optional[str] version, # type: Optional[_BaseVersion] ): - # type: (...) -> Candidate + # type: (...) -> Optional[Candidate] # TODO: Check already installed candidate, and use it if the link and # editable flag match. + if link in self._build_failures: + return None if template.editable: if link not in self._editable_candidate_cache: - self._editable_candidate_cache[link] = EditableCandidate( - link, template, factory=self, name=name, version=version, - ) + try: + self._editable_candidate_cache[link] = EditableCandidate( + link, template, factory=self, + name=name, version=version, + ) + except (InstallationSubprocessError, MetadataInconsistent) as e: + logger.warning("Discarding %s. %s", link, e) + self._build_failures[link] = e + return None base = self._editable_candidate_cache[link] # type: BaseCandidate else: if link not in self._link_candidate_cache: - self._link_candidate_cache[link] = LinkCandidate( - link, template, factory=self, name=name, version=version, - ) + try: + self._link_candidate_cache[link] = LinkCandidate( + link, template, factory=self, + name=name, version=version, + ) + except (InstallationSubprocessError, MetadataInconsistent) as e: + logger.warning("Discarding %s. %s", link, e) + self._build_failures[link] = e + return None base = self._link_candidate_cache[link] if extras: return ExtrasCandidate(base, extras) @@ -204,13 +222,16 @@ class Factory(object): for ican in reversed(icans): if not all_yanked and ican.link.is_yanked: continue - yield self._make_candidate_from_link( + candidate = self._make_candidate_from_link( link=ican.link, extras=extras, template=template, name=name, version=ican.version, ) + if candidate is None: + continue + yield candidate return FoundCandidates( iter_index_candidates, @@ -274,6 +295,10 @@ class Factory(object): name=canonicalize_name(ireq.name) if ireq.name else None, version=None, ) + if cand is None: + if not ireq.name: + raise self._build_failures[ireq.link] + return UnsatisfiableRequirement(canonicalize_name(ireq.name)) return self.make_requirement_from_candidate(cand) def make_requirement_from_candidate(self, candidate): |