mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-28 14:12:52 -06:00
112 lines
3.8 KiB
Python
112 lines
3.8 KiB
Python
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from __future__ import absolute_import
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import logging
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import re
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import pip
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from pip.compat import stdlib_pkgs
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from pip.req import InstallRequirement
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from pip.utils import get_installed_distributions
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from pip._vendor import pkg_resources
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logger = logging.getLogger(__name__)
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# packages to exclude from freeze output
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freeze_excludes = stdlib_pkgs + ['setuptools', 'pip', 'distribute']
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def freeze(
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requirement=None,
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find_links=None, local_only=None, user_only=None, skip_regex=None,
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find_tags=False,
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default_vcs=None,
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isolated=False):
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find_links = find_links or []
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skip_match = None
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if skip_regex:
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skip_match = re.compile(skip_regex)
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dependency_links = []
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for dist in pkg_resources.working_set:
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if dist.has_metadata('dependency_links.txt'):
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dependency_links.extend(
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dist.get_metadata_lines('dependency_links.txt')
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)
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for link in find_links:
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if '#egg=' in link:
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dependency_links.append(link)
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for link in find_links:
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yield '-f %s' % link
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installations = {}
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for dist in get_installed_distributions(local_only=local_only,
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skip=freeze_excludes,
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user_only=user_only):
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req = pip.FrozenRequirement.from_dist(
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dist,
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dependency_links,
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find_tags=find_tags,
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)
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installations[req.name] = req
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if requirement:
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with open(requirement) as req_file:
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for line in req_file:
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if (not line.strip() or
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line.strip().startswith('#') or
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(skip_match and skip_match.search(line)) or
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line.startswith((
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'-r', '--requirement',
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'-Z', '--always-unzip',
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'-f', '--find-links',
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'-i', '--index-url',
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'--extra-index-url'))):
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yield line.rstrip()
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continue
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if line.startswith('-e') or line.startswith('--editable'):
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if line.startswith('-e'):
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line = line[2:].strip()
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else:
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line = line[len('--editable'):].strip().lstrip('=')
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line_req = InstallRequirement.from_editable(
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line,
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default_vcs=default_vcs,
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isolated=isolated,
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)
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else:
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line_req = InstallRequirement.from_line(
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line,
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isolated=isolated,
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)
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if not line_req.name:
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logger.info(
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"Skipping line because it's not clear what it "
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"would install: %s",
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line.strip(),
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)
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logger.info(
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" (add #egg=PackageName to the URL to avoid"
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" this warning)"
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)
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elif line_req.name not in installations:
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logger.warning(
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"Requirement file contains %s, but that package is"
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" not installed",
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line.strip(),
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)
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else:
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yield str(installations[line_req.name]).rstrip()
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del installations[line_req.name]
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yield(
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'## The following requirements were added by '
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'pip freeze:'
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)
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for installation in sorted(
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installations.values(), key=lambda x: x.name.lower()):
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yield str(installation).rstrip()
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