def _check_plugin_version(plugin_module, plugin_name):
if hasattr(plugin_module, "pyb_version") and plugin_module.pyb_version:
required_pyb_version = SpecifierSet(plugin_module.pyb_version, True)
if not required_pyb_version.contains(PYB_VERSION):
raise IncompatiblePluginException(plugin_name,
required_pyb_version,
PYB_VERSION)
def version_satisfies_spec(spec, version):
if not spec:
return True
if not version:
return False
if not isinstance(spec, SpecifierSet):
spec = SpecifierSet(spec)
if not isinstance(version, Version):
version = Version(version)
return spec.contains(version)
def contains_version(version: str, version_specifier: str) -> bool:
specifier = SpecifierSet(version_specifier)
return specifier.contains(version)
def _iter_found_candidates(
self,
ireqs: Sequence[InstallRequirement],
specifier: SpecifierSet,
hashes: Hashes,
prefers_installed: bool,
incompatible_ids: Set[int],
) -> Iterable[Candidate]:
if not ireqs:
return ()
# The InstallRequirement implementation requires us to give it a
# "template". Here we just choose the first requirement to represent
# all of them.
# Hopefully the Project model can correct this mismatch in the future.
template = ireqs[0]
assert template.req, "Candidates found on index must be PEP 508"
name = canonicalize_name(template.req.name)
extras = frozenset() # type: FrozenSet[str]
for ireq in ireqs:
assert ireq.req, "Candidates found on index must be PEP 508"
specifier &= ireq.req.specifier
hashes &= ireq.hashes(trust_internet=False)
extras |= frozenset(ireq.extras)
# Get the installed version, if it matches, unless the user
# specified `--force-reinstall`, when we want the version from
# the index instead.
installed_candidate = None
if not self._force_reinstall and name in self._installed_dists:
installed_dist = self._installed_dists[name]
if specifier.contains(installed_dist.version, prereleases=True):
installed_candidate = self._make_candidate_from_dist(
dist=installed_dist,
extras=extras,
template=template,
)
def iter_index_candidate_infos():
# type: () -> Iterator[IndexCandidateInfo]
result = self._finder.find_best_candidate(
project_name=name,
specifier=specifier,
hashes=hashes,
)
icans = list(result.iter_applicable())
# PEP 592: Yanked releases must be ignored unless only yanked
# releases can satisfy the version range. So if this is false,
# all yanked icans need to be skipped.
all_yanked = all(ican.link.is_yanked for ican in icans)
# PackageFinder returns earlier versions first, so we reverse.
for ican in reversed(icans):
if not all_yanked and ican.link.is_yanked:
continue
func = functools.partial(
self._make_candidate_from_link,
link=ican.link,
extras=extras,
template=template,
name=name,
version=ican.version,
)
yield ican.version, func
return FoundCandidates(
iter_index_candidate_infos,
installed_candidate,
prefers_installed,
incompatible_ids,
)
def _check_plugin_version(plugin_module, plugin_name):
if hasattr(plugin_module, "pyb_version") and plugin_module.pyb_version:
required_pyb_version = SpecifierSet(plugin_module.pyb_version, True)
if not required_pyb_version.contains(PYB_VERSION):
raise IncompatiblePluginException(plugin_name, required_pyb_version, PYB_VERSION)