diff options
Diffstat (limited to 'venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/freeze.py')
| -rw-r--r-- | venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/freeze.py | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/freeze.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/freeze.py deleted file mode 100644 index 388bb73..0000000 --- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/operations/freeze.py +++ /dev/null @@ -1,247 +0,0 @@ -from __future__ import absolute_import - -import collections -import logging -import os -import re - -from pip._vendor import six -from pip._vendor.packaging.utils import canonicalize_name -from pip._vendor.pkg_resources import RequirementParseError - -from pip._internal.exceptions import BadCommand, InstallationError -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.misc import ( - dist_is_editable, get_installed_distributions, -) -from pip._internal.utils.typing import MYPY_CHECK_RUNNING - -if MYPY_CHECK_RUNNING: - from typing import ( # noqa: F401 - Iterator, Optional, List, Container, Set, Dict, Tuple, Iterable, Union - ) - from pip._internal.cache import WheelCache # noqa: F401 - from pip._vendor.pkg_resources import ( # noqa: F401 - Distribution, Requirement - ) - - RequirementInfo = Tuple[Optional[Union[str, Requirement]], bool, List[str]] - - -logger = logging.getLogger(__name__) - - -def freeze( - requirement=None, # type: Optional[List[str]] - find_links=None, # type: Optional[List[str]] - local_only=None, # type: Optional[bool] - user_only=None, # type: Optional[bool] - skip_regex=None, # type: Optional[str] - isolated=False, # type: bool - wheel_cache=None, # type: Optional[WheelCache] - exclude_editable=False, # type: bool - skip=() # type: Container[str] -): - # type: (...) -> Iterator[str] - find_links = find_links or [] - skip_match = None - - if skip_regex: - skip_match = re.compile(skip_regex).search - - for link in find_links: - yield '-f %s' % link - installations = {} # type: Dict[str, FrozenRequirement] - for dist in get_installed_distributions(local_only=local_only, - skip=(), - user_only=user_only): - try: - req = FrozenRequirement.from_dist(dist) - except RequirementParseError: - logger.warning( - "Could not parse requirement: %s", - dist.project_name - ) - continue - if exclude_editable and req.editable: - continue - installations[req.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() # type: Set[str] - # 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 = collections.defaultdict(list) # type: Dict[str, List[str]] - 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 - (skip_match and skip_match(line)) or - line.startswith(( - '-r', '--requirement', - '-Z', '--always-unzip', - '-f', '--find-links', - '-i', '--index-url', - '--pre', - '--trusted-host', - '--process-dependency-links', - '--extra-index-url'))): - 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, - wheel_cache=wheel_cache, - ) - else: - line_req = install_req_from_line( - COMMENT_RE.sub('', line).strip(), - isolated=isolated, - wheel_cache=wheel_cache, - ) - - 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)" - ) - elif line_req.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.name]).rstrip() - del installations[line_req.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 six.iteritems(req_files): - 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 canonicalize_name(installation.name) not in skip: - yield str(installation).rstrip() - - -def get_requirement_info(dist): - # type: (Distribution) -> RequirementInfo - """ - Compute and return values (req, editable, comments) for use in - FrozenRequirement.from_dist(). - """ - if not dist_is_editable(dist): - return (None, False, []) - - location = os.path.normcase(os.path.abspath(dist.location)) - - from pip._internal.vcs import vcs, RemoteNotFoundError - vc_type = vcs.get_backend_type(location) - - if not vc_type: - req = dist.as_requirement() - logger.debug( - 'No VCS found for editable requirement {!r} in: {!r}', req, - location, - ) - comments = [ - '# Editable install with no version control ({})'.format(req) - ] - return (location, True, comments) - - try: - req = vc_type.get_src_requirement(location, dist.project_name) - except RemoteNotFoundError: - req = dist.as_requirement() - comments = [ - '# Editable {} install with no remote ({})'.format( - vc_type.__name__, req, - ) - ] - return (location, True, comments) - - except BadCommand: - logger.warning( - 'cannot determine version of editable source in %s ' - '(%s command not found in path)', - location, - vc_type.name, - ) - return (None, True, []) - - except InstallationError as exc: - logger.warning( - "Error when trying to get requirement for VCS system %s, " - "falling back to uneditable format", exc - ) - else: - if req is not None: - return (req, True, []) - - logger.warning( - 'Could not determine repository location of %s', location - ) - comments = ['## !! Could not determine repository location'] - - return (None, False, comments) - - -class FrozenRequirement(object): - def __init__(self, name, req, editable, comments=()): - # type: (str, Union[str, Requirement], bool, Iterable[str]) -> None - self.name = name - self.req = req - self.editable = editable - self.comments = comments - - @classmethod - def from_dist(cls, dist): - # type: (Distribution) -> FrozenRequirement - req, editable, comments = get_requirement_info(dist) - if req is None: - req = dist.as_requirement() - - return cls(dist.project_name, req, editable, comments=comments) - - def __str__(self): - req = self.req - if self.editable: - req = '-e %s' % req - return '\n'.join(list(self.comments) + [str(req)]) + '\n' |