def find_packages(
self,
name, # type: str
constraint=None, # type: Union[VersionConstraint, str, None]
extras=None, # type: Union[list, None]
allow_prereleases=False, # type: bool
): # type: (...) -> List[Package]
"""
Find packages on the remote server.
"""
if constraint is None:
constraint = "*"
if not isinstance(constraint, VersionConstraint):
constraint = parse_constraint(constraint)
if isinstance(constraint, VersionRange):
if (constraint.max is not None and constraint.max.is_prerelease()
or constraint.min is not None
and constraint.min.is_prerelease()):
allow_prereleases = True
info = self.get_package_info(name)
packages = []
for version, release in info["releases"].items():
if not release:
# Bad release
self._log(
"No release information found for {}-{}, skipping".format(
name, version),
level="debug",
)
continue
package = Package(name, version)
if package.is_prerelease() and not allow_prereleases:
continue
if not constraint or (constraint
and constraint.allows(package.version)):
if extras is not None:
package.requires_extras = extras
packages.append(package)
self._log(
"{} packages found for {} {}".format(len(packages), name,
str(constraint)),
level="debug",
)
return packages
def find_packages(
self,
name, # type: str
constraint=None, # type: Union[VersionConstraint, str, None]
extras=None, # type: Union[list, None]
allow_prereleases=False, # type: bool
): # type: (...) -> List[Package]
"""
Find packages on the remote server.
"""
if constraint is None:
constraint = "*"
if not isinstance(constraint, VersionConstraint):
constraint = parse_constraint(constraint)
info = self.get_package_info(name)
packages = []
for version, release in info["releases"].items():
if not release:
# Bad release
self._log(
"No release information found for {}-{}, skipping".format(
name, version
),
level="debug",
)
continue
package = Package(name, version)
if (
package.is_prerelease()
and not allow_prereleases
and not constraint.allows(package.version)
):
continue
if not constraint or (constraint and constraint.allows(package.version)):
if extras is not None:
package.requires_extras = extras
packages.append(package)
self._log(
"{} packages found for {} {}".format(len(packages), name, str(constraint)),
level="debug",
)
return packages
def find_packages(self,
name, # type: str
constraint=None, # type: Union[Constraint, str, None]
extras=None, # type: Union[list, None]
allow_prereleases=False # type: bool
): # type: (...) -> List[Package]
"""
Find packages on the remote server.
"""
if constraint is not None and not isinstance(constraint, BaseConstraint):
version_parser = VersionParser()
constraint = version_parser.parse_constraints(constraint)
info = self.get_package_info(name)
packages = []
for version, release in info['releases'].items():
if not release:
# Bad release
self._log(
'No release information found for {}-{}, skipping'.format(
name, version
),
level='debug'
)
continue
package = Package(name, version)
if package.is_prerelease() and not allow_prereleases:
continue
if (
not constraint
or (constraint and constraint.matches(Constraint('=', version)))
):
if extras is not None:
package.requires_extras = extras
packages.append(package)
self._log(
'{} packages found for {} {}'.format(
len(packages), name, str(constraint)
),
level='debug'
)
return packages
def is_requirement_satisfied_by(self, requirement: Dependency,
activated: DependencyGraph,
package: Package) -> bool:
"""
Determines whether the given requirement is satisfied by the given
spec, in the context of the current activated dependency graph.
"""
if isinstance(requirement, Package):
return requirement == package
if not requirement.accepts(package):
return False
if package.is_prerelease() and not requirement.allows_prereleases():
vertex = activated.vertex_named(package.name)
if not any([r.allows_prereleases() for r in vertex.requirements]):
return False
return self._package.python_constraint.matches(
package.python_constraint)