mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-27 21:52:25 -06:00
137 lines
5.2 KiB
Python
137 lines
5.2 KiB
Python
from __future__ import absolute_import
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import os
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import re
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from pip._vendor.six.moves.urllib import parse as urllib_parse
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from pip.download import get_file_content
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from pip.req.req_install import InstallRequirement
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from pip.utils import normalize_name
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_scheme_re = re.compile(r'^(http|https|file):', re.I)
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def _remove_prefixes(line, short_prefix, long_prefix):
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if line.startswith(short_prefix):
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return line[len(short_prefix):].lstrip()
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else:
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return _remove_prefix(line, long_prefix)
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def _remove_prefix(line, prefix):
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"""Remove the prefix and eventually one '=' or spaces"""
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return re.sub(r'\s*=?\s*', '', line[len(prefix):])
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def parse_requirements(filename, finder=None, comes_from=None, options=None,
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session=None):
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if session is None:
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raise TypeError(
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"parse_requirements() missing 1 required keyword argument: "
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"'session'"
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)
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skip_match = None
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skip_regex = options.skip_requirements_regex if options else None
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if skip_regex:
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skip_match = re.compile(skip_regex)
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reqs_file_dir = os.path.dirname(os.path.abspath(filename))
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filename, content = get_file_content(
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filename,
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comes_from=comes_from,
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session=session,
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)
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for line_number, line in enumerate(content.splitlines(), 1):
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line = line.strip()
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# Remove comments from file and all spaces before it
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line = re.sub(r"(^|\s)+#.*$", "", line)
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if not line:
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continue
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if skip_match and skip_match.search(line):
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continue
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if line.startswith(('-r', '--requirement')):
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req_url = _remove_prefixes(line, '-r', '--requirement')
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if _scheme_re.search(filename):
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# Relative to a URL
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req_url = urllib_parse.urljoin(filename, req_url)
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elif not _scheme_re.search(req_url):
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req_url = os.path.join(os.path.dirname(filename), req_url)
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for item in parse_requirements(
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req_url, finder,
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comes_from=filename,
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options=options,
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session=session):
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yield item
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elif line.startswith(('-Z', '--always-unzip')):
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# No longer used, but previously these were used in
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# requirement files, so we'll ignore.
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pass
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elif line.startswith(('-f', '--find-links')):
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find_links = _remove_prefixes(line, '-f', '--find-links')
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# FIXME: it would be nice to keep track of the source of
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# the find_links:
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# support a find-links local path relative to a requirements file
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relative_to_reqs_file = os.path.join(reqs_file_dir, find_links)
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if os.path.exists(relative_to_reqs_file):
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find_links = relative_to_reqs_file
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if finder:
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finder.find_links.append(find_links)
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elif line.startswith(('-i', '--index-url')):
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index_url = _remove_prefixes(line, '-i', '--index-url')
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if finder:
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finder.index_urls = [index_url]
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elif line.startswith('--extra-index-url'):
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line = _remove_prefix(line, '--extra-index-url')
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if finder:
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finder.index_urls.append(line)
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elif line.startswith('--use-wheel'):
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# Default in 1.5
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pass
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elif line.startswith('--no-use-wheel'):
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if finder:
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finder.use_wheel = False
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elif line.startswith('--no-index'):
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if finder:
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finder.index_urls = []
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elif line.startswith("--allow-external"):
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line = _remove_prefix(line, '--allow-external')
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if finder:
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finder.allow_external |= set([normalize_name(line).lower()])
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elif line.startswith("--allow-all-external"):
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if finder:
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finder.allow_all_external = True
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# Remove in 7.0
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elif line.startswith("--no-allow-external"):
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pass
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# Remove in 7.0
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elif line.startswith("--no-allow-insecure"):
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pass
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# Remove after 7.0
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elif line.startswith("--allow-insecure"):
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line = _remove_prefix(line, '--allow-insecure')
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if finder:
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finder.allow_unverified |= set([normalize_name(line).lower()])
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elif line.startswith("--allow-unverified"):
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line = _remove_prefix(line, '--allow-unverified')
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if finder:
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finder.allow_unverified |= set([normalize_name(line).lower()])
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else:
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comes_from = '-r %s (line %s)' % (filename, line_number)
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if line.startswith(('-e', '--editable')):
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editable = _remove_prefixes(line, '-e', '--editable')
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req = InstallRequirement.from_editable(
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editable,
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comes_from=comes_from,
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default_vcs=options.default_vcs if options else None,
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isolated=options.isolated_mode if options else False,
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)
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else:
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req = InstallRequirement.from_line(
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line,
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comes_from,
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isolated=options.isolated_mode if options else False,
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)
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yield req
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