def _get_prepared_distribution(req, req_tracker, finder, build_isolation):
"""Prepare a distribution for installation.
"""
abstract_dist = make_distribution_for_install_requirement(req)
with req_tracker.track(req):
abstract_dist.prepare_distribution_metadata(finder, build_isolation)
return abstract_dist
def _get_prepared_distribution(
req: InstallRequirement,
req_tracker: RequirementTracker,
finder: PackageFinder,
build_isolation: bool,
) -> BaseDistribution:
"""Prepare a distribution for installation."""
abstract_dist = make_distribution_for_install_requirement(req)
with req_tracker.track(req):
abstract_dist.prepare_distribution_metadata(finder, build_isolation)
return abstract_dist.get_metadata_distribution()
def _get_prepared_distribution(
req, # type: InstallRequirement
req_tracker, # type: RequirementTracker
finder, # type: PackageFinder
build_isolation, # type: bool
):
# type: (...) -> Distribution
"""Prepare a distribution for installation."""
abstract_dist = make_distribution_for_install_requirement(req)
with req_tracker.track(req):
abstract_dist.prepare_distribution_metadata(finder, build_isolation)
return abstract_dist.get_pkg_resources_distribution()
def _simulate_installation_of(to_install: List[InstallRequirement],
package_set: PackageSet) -> Set[NormalizedName]:
"""Computes the version of packages after installing to_install."""
# Keep track of packages that were installed
installed = set()
# Modify it as installing requirement_set would (assuming no errors)
for inst_req in to_install:
abstract_dist = make_distribution_for_install_requirement(inst_req)
dist = abstract_dist.get_metadata_distribution()
name = dist.canonical_name
package_set[name] = PackageDetails(dist.version,
list(dist.iter_dependencies()))
installed.add(name)
return installed
def _simulate_installation_of(to_install, package_set):
# type: (List[InstallRequirement], PackageSet) -> Set[str]
"""Computes the version of packages after installing to_install.
"""
# Keep track of packages that were installed
installed = set()
# Modify it as installing requirement_set would (assuming no errors)
for inst_req in to_install:
abstract_dist = make_distribution_for_install_requirement(inst_req)
dist = abstract_dist.get_pkg_resources_distribution()
name = canonicalize_name(dist.key)
package_set[name] = PackageDetails(dist.version, dist.requires())
installed.add(name)
return installed