forked from varia/varia.website
255 lines
9.6 KiB
Python
255 lines
9.6 KiB
Python
import collections
|
|
import logging
|
|
import os
|
|
from typing import Container, Dict, Generator, Iterable, List, NamedTuple, Optional, Set
|
|
|
|
from pip._vendor.packaging.utils import canonicalize_name
|
|
from pip._vendor.packaging.version import Version
|
|
|
|
from pip._internal.exceptions import BadCommand, InstallationError
|
|
from pip._internal.metadata import BaseDistribution, get_environment
|
|
from pip._internal.req.constructors import (
|
|
install_req_from_editable,
|
|
install_req_from_line,
|
|
)
|
|
from pip._internal.req.req_file import COMMENT_RE
|
|
from pip._internal.utils.direct_url_helpers import direct_url_as_pep440_direct_reference
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class _EditableInfo(NamedTuple):
|
|
requirement: str
|
|
comments: List[str]
|
|
|
|
|
|
def freeze(
|
|
requirement: Optional[List[str]] = None,
|
|
local_only: bool = False,
|
|
user_only: bool = False,
|
|
paths: Optional[List[str]] = None,
|
|
isolated: bool = False,
|
|
exclude_editable: bool = False,
|
|
skip: Container[str] = (),
|
|
) -> Generator[str, None, None]:
|
|
installations: Dict[str, FrozenRequirement] = {}
|
|
|
|
dists = get_environment(paths).iter_installed_distributions(
|
|
local_only=local_only,
|
|
skip=(),
|
|
user_only=user_only,
|
|
)
|
|
for dist in dists:
|
|
req = FrozenRequirement.from_dist(dist)
|
|
if exclude_editable and req.editable:
|
|
continue
|
|
installations[req.canonical_name] = req
|
|
|
|
if requirement:
|
|
# the options that don't get turned into an InstallRequirement
|
|
# should only be emitted once, even if the same option is in multiple
|
|
# requirements files, so we need to keep track of what has been emitted
|
|
# so that we don't emit it again if it's seen again
|
|
emitted_options: Set[str] = set()
|
|
# keep track of which files a requirement is in so that we can
|
|
# give an accurate warning if a requirement appears multiple times.
|
|
req_files: Dict[str, List[str]] = collections.defaultdict(list)
|
|
for req_file_path in requirement:
|
|
with open(req_file_path) as req_file:
|
|
for line in req_file:
|
|
if (
|
|
not line.strip()
|
|
or line.strip().startswith("#")
|
|
or line.startswith(
|
|
(
|
|
"-r",
|
|
"--requirement",
|
|
"-f",
|
|
"--find-links",
|
|
"-i",
|
|
"--index-url",
|
|
"--pre",
|
|
"--trusted-host",
|
|
"--process-dependency-links",
|
|
"--extra-index-url",
|
|
"--use-feature",
|
|
)
|
|
)
|
|
):
|
|
line = line.rstrip()
|
|
if line not in emitted_options:
|
|
emitted_options.add(line)
|
|
yield line
|
|
continue
|
|
|
|
if line.startswith("-e") or line.startswith("--editable"):
|
|
if line.startswith("-e"):
|
|
line = line[2:].strip()
|
|
else:
|
|
line = line[len("--editable") :].strip().lstrip("=")
|
|
line_req = install_req_from_editable(
|
|
line,
|
|
isolated=isolated,
|
|
)
|
|
else:
|
|
line_req = install_req_from_line(
|
|
COMMENT_RE.sub("", line).strip(),
|
|
isolated=isolated,
|
|
)
|
|
|
|
if not line_req.name:
|
|
logger.info(
|
|
"Skipping line in requirement file [%s] because "
|
|
"it's not clear what it would install: %s",
|
|
req_file_path,
|
|
line.strip(),
|
|
)
|
|
logger.info(
|
|
" (add #egg=PackageName to the URL to avoid"
|
|
" this warning)"
|
|
)
|
|
else:
|
|
line_req_canonical_name = canonicalize_name(line_req.name)
|
|
if line_req_canonical_name not in installations:
|
|
# either it's not installed, or it is installed
|
|
# but has been processed already
|
|
if not req_files[line_req.name]:
|
|
logger.warning(
|
|
"Requirement file [%s] contains %s, but "
|
|
"package %r is not installed",
|
|
req_file_path,
|
|
COMMENT_RE.sub("", line).strip(),
|
|
line_req.name,
|
|
)
|
|
else:
|
|
req_files[line_req.name].append(req_file_path)
|
|
else:
|
|
yield str(installations[line_req_canonical_name]).rstrip()
|
|
del installations[line_req_canonical_name]
|
|
req_files[line_req.name].append(req_file_path)
|
|
|
|
# Warn about requirements that were included multiple times (in a
|
|
# single requirements file or in different requirements files).
|
|
for name, files in req_files.items():
|
|
if len(files) > 1:
|
|
logger.warning(
|
|
"Requirement %s included multiple times [%s]",
|
|
name,
|
|
", ".join(sorted(set(files))),
|
|
)
|
|
|
|
yield ("## The following requirements were added by pip freeze:")
|
|
for installation in sorted(installations.values(), key=lambda x: x.name.lower()):
|
|
if installation.canonical_name not in skip:
|
|
yield str(installation).rstrip()
|
|
|
|
|
|
def _format_as_name_version(dist: BaseDistribution) -> str:
|
|
if isinstance(dist.version, Version):
|
|
return f"{dist.raw_name}=={dist.version}"
|
|
return f"{dist.raw_name}==={dist.version}"
|
|
|
|
|
|
def _get_editable_info(dist: BaseDistribution) -> _EditableInfo:
|
|
"""
|
|
Compute and return values (req, comments) for use in
|
|
FrozenRequirement.from_dist().
|
|
"""
|
|
editable_project_location = dist.editable_project_location
|
|
assert editable_project_location
|
|
location = os.path.normcase(os.path.abspath(editable_project_location))
|
|
|
|
from pip._internal.vcs import RemoteNotFoundError, RemoteNotValidError, vcs
|
|
|
|
vcs_backend = vcs.get_backend_for_dir(location)
|
|
|
|
if vcs_backend is None:
|
|
display = _format_as_name_version(dist)
|
|
logger.debug(
|
|
'No VCS found for editable requirement "%s" in: %r',
|
|
display,
|
|
location,
|
|
)
|
|
return _EditableInfo(
|
|
requirement=location,
|
|
comments=[f"# Editable install with no version control ({display})"],
|
|
)
|
|
|
|
vcs_name = type(vcs_backend).__name__
|
|
|
|
try:
|
|
req = vcs_backend.get_src_requirement(location, dist.raw_name)
|
|
except RemoteNotFoundError:
|
|
display = _format_as_name_version(dist)
|
|
return _EditableInfo(
|
|
requirement=location,
|
|
comments=[f"# Editable {vcs_name} install with no remote ({display})"],
|
|
)
|
|
except RemoteNotValidError as ex:
|
|
display = _format_as_name_version(dist)
|
|
return _EditableInfo(
|
|
requirement=location,
|
|
comments=[
|
|
f"# Editable {vcs_name} install ({display}) with either a deleted "
|
|
f"local remote or invalid URI:",
|
|
f"# '{ex.url}'",
|
|
],
|
|
)
|
|
except BadCommand:
|
|
logger.warning(
|
|
"cannot determine version of editable source in %s "
|
|
"(%s command not found in path)",
|
|
location,
|
|
vcs_backend.name,
|
|
)
|
|
return _EditableInfo(requirement=location, comments=[])
|
|
except InstallationError as exc:
|
|
logger.warning("Error when trying to get requirement for VCS system %s", exc)
|
|
else:
|
|
return _EditableInfo(requirement=req, comments=[])
|
|
|
|
logger.warning("Could not determine repository location of %s", location)
|
|
|
|
return _EditableInfo(
|
|
requirement=location,
|
|
comments=["## !! Could not determine repository location"],
|
|
)
|
|
|
|
|
|
class FrozenRequirement:
|
|
def __init__(
|
|
self,
|
|
name: str,
|
|
req: str,
|
|
editable: bool,
|
|
comments: Iterable[str] = (),
|
|
) -> None:
|
|
self.name = name
|
|
self.canonical_name = canonicalize_name(name)
|
|
self.req = req
|
|
self.editable = editable
|
|
self.comments = comments
|
|
|
|
@classmethod
|
|
def from_dist(cls, dist: BaseDistribution) -> "FrozenRequirement":
|
|
editable = dist.editable
|
|
if editable:
|
|
req, comments = _get_editable_info(dist)
|
|
else:
|
|
comments = []
|
|
direct_url = dist.direct_url
|
|
if direct_url:
|
|
# if PEP 610 metadata is present, use it
|
|
req = direct_url_as_pep440_direct_reference(direct_url, dist.raw_name)
|
|
else:
|
|
# name==version requirement
|
|
req = _format_as_name_version(dist)
|
|
|
|
return cls(dist.raw_name, req, editable, comments=comments)
|
|
|
|
def __str__(self) -> str:
|
|
req = self.req
|
|
if self.editable:
|
|
req = f"-e {req}"
|
|
return "\n".join(list(self.comments) + [str(req)]) + "\n"
|