def find_packages(self,
name,
constraint=None,
extras=None,
allow_prereleases=False):
packages = []
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
key = name
if not constraint.is_any():
key = "{}:{}".format(key, str(constraint))
if self._cache.store("matches").has(key):
versions = self._cache.store("matches").get(key)
else:
page = self._get("/{}/".format(
canonicalize_name(name).replace(".", "-")))
if page is None:
return []
versions = []
for version in page.versions:
if version.is_prerelease() and not allow_prereleases:
continue
if constraint.allows(version):
versions.append(version)
self._cache.store("matches").put(key, versions, 5)
for version in versions:
package = Package(name, version)
package.source_type = "legacy"
package.source_reference = self.name
package.source_url = self._url
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 solve(self, use_latest=None): # type: (...) -> List[Operation]
with self._provider.progress():
start = time.time()
packages, depths = self._solve(use_latest=use_latest)
end = time.time()
if len(self._overrides) > 1:
self._provider.debug(
"Complete version solving took {:.3f} seconds with {} overrides"
.format(end - start, len(self._overrides)))
self._provider.debug("Resolved with overrides: {}".format(
", ".join("({})".format(b) for b in self._overrides)))
operations = []
for i, package in enumerate(packages):
installed = False
for pkg in self._installed.packages:
if package.name == pkg.name:
installed = True
if pkg.source_type == "git" and package.source_type == "git":
from poetry.core.vcs.git import Git
# Trying to find the currently installed version
pkg_source_url = Git.normalize_url(pkg.source_url)
package_source_url = Git.normalize_url(
package.source_url)
for locked in self._locked.packages:
if locked.name != pkg.name or locked.source_type != "git":
continue
locked_source_url = Git.normalize_url(
locked.source_url)
if (locked.name == pkg.name
and locked.source_type == pkg.source_type
and locked_source_url == pkg_source_url
and locked.source_reference
== pkg.source_reference):
pkg = Package(pkg.name, locked.version)
pkg.source_type = "git"
pkg.source_url = locked.source_url
pkg.source_reference = locked.source_reference
break
if pkg_source_url != package_source_url or (
pkg.source_reference !=
package.source_reference
and not pkg.source_reference.startswith(
package.source_reference)):
operations.append(
Update(pkg, package, priority=depths[i]))
else:
operations.append(
Install(package).skip("Already installed"))
elif package.version != pkg.version:
# Checking version
operations.append(
Update(pkg, package, priority=depths[i]))
elif pkg.source_type and package.source_type != pkg.source_type:
operations.append(
Update(pkg, package, priority=depths[i]))
else:
operations.append(
Install(
package,
priority=depths[i]).skip("Already installed"))
break
if not installed:
operations.append(Install(package, priority=depths[i]))
# Checking for removals
for pkg in self._locked.packages:
remove = True
for package in packages:
if pkg.name == package.name:
remove = False
break
if remove:
skip = True
for installed in self._installed.packages:
if installed.name == pkg.name:
skip = False
break
op = Uninstall(pkg)
if skip:
op.skip("Not currently installed")
operations.append(op)
if self._remove_untracked:
locked_names = {locked.name for locked in self._locked.packages}
for installed in self._installed.packages:
if installed.name == self._package.name:
continue
if installed.name in Provider.UNSAFE_PACKAGES:
# Never remove pip, setuptools etc.
continue
if installed.name not in locked_names:
operations.append(Uninstall(installed))
return sorted(
operations,
key=lambda o: (
-o.priority,
o.package.name,
o.package.version,
),
)
def load(cls, env): # type: (Env) -> InstalledRepository
"""
Load installed packages.
"""
repo = cls()
seen = set()
for entry in reversed(env.sys_path):
for distribution in sorted(
metadata.distributions(path=[entry]),
key=lambda d: str(d._path),
):
name = distribution.metadata["name"]
path = Path(str(distribution._path))
version = distribution.metadata["version"]
package = Package(name, version, version)
package.description = distribution.metadata.get("summary", "")
if package.name in seen:
continue
try:
path.relative_to(_VENDORS)
except ValueError:
pass
else:
continue
seen.add(package.name)
repo.add_package(package)
is_standard_package = True
try:
path.relative_to(env.site_packages)
except ValueError:
is_standard_package = False
if is_standard_package:
if path.name.endswith(".dist-info"):
paths = cls.get_package_paths(
sitedir=env.site_packages,
name=package.pretty_name)
if paths:
# TODO: handle multiple source directories?
package.source_type = "directory"
package.source_url = paths.pop().as_posix()
continue
src_path = env.path / "src"
# A VCS dependency should have been installed
# in the src directory. If not, it's a path dependency
try:
path.relative_to(src_path)
from poetry.core.vcs.git import Git
git = Git()
revision = git.rev_parse("HEAD",
src_path / package.name).strip()
url = git.remote_url(src_path / package.name)
package.source_type = "git"
package.source_url = url
package.source_reference = revision
except ValueError:
package.source_type = "directory"
package.source_url = str(path.parent)
return repo
