mirror of https://github.com/pypa/pip
546 lines
14 KiB
Python
546 lines
14 KiB
Python
"""
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shared options and groups
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The principle here is to define options once, but *not* instantiate them
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globally. One reason being that options with action='append' can carry state
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between parses. pip parses general options twice internally, and shouldn't
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pass on state. To be consistent, all options will follow this design.
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"""
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from __future__ import absolute_import
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import warnings
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from functools import partial
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from optparse import SUPPRESS_HELP, Option, OptionGroup
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from pip._internal.index import (
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FormatControl, fmt_ctl_handle_mutual_exclude, fmt_ctl_no_binary
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)
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from pip._internal.locations import USER_CACHE_DIR, src_prefix
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from pip._internal.models import PyPI
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from pip._internal.utils.hashes import STRONG_HASHES
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from pip._internal.utils.ui import BAR_TYPES
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def make_option_group(group, parser):
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"""
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Return an OptionGroup object
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group -- assumed to be dict with 'name' and 'options' keys
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parser -- an optparse Parser
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"""
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option_group = OptionGroup(parser, group['name'])
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for option in group['options']:
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option_group.add_option(option())
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return option_group
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def check_install_build_global(options, check_options=None):
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"""Disable wheels if per-setup.py call options are set.
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:param options: The OptionParser options to update.
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:param check_options: The options to check, if not supplied defaults to
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options.
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"""
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if check_options is None:
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check_options = options
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def getname(n):
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return getattr(check_options, n, None)
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names = ["build_options", "global_options", "install_options"]
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if any(map(getname, names)):
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control = options.format_control
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fmt_ctl_no_binary(control)
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warnings.warn(
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'Disabling all use of wheels due to the use of --build-options '
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'/ --global-options / --install-options.', stacklevel=2)
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###########
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# options #
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###########
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help_ = partial(
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Option,
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'-h', '--help',
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dest='help',
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action='help',
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help='Show help.')
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isolated_mode = partial(
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Option,
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"--isolated",
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dest="isolated_mode",
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action="store_true",
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default=False,
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help=(
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"Run pip in an isolated mode, ignoring environment variables and user "
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"configuration."
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),
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)
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require_virtualenv = partial(
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Option,
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# Run only if inside a virtualenv, bail if not.
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'--require-virtualenv', '--require-venv',
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dest='require_venv',
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action='store_true',
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default=False,
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help=SUPPRESS_HELP)
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verbose = partial(
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Option,
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'-v', '--verbose',
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dest='verbose',
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action='count',
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default=0,
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help='Give more output. Option is additive, and can be used up to 3 times.'
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)
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version = partial(
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Option,
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'-V', '--version',
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dest='version',
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action='store_true',
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help='Show version and exit.')
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quiet = partial(
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Option,
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'-q', '--quiet',
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dest='quiet',
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action='count',
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default=0,
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help=('Give less output. Option is additive, and can be used up to 3'
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' times (corresponding to WARNING, ERROR, and CRITICAL logging'
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' levels).')
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)
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progress_bar = partial(
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Option,
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'--progress-bar',
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dest='progress_bar',
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type='choice',
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choices=list(BAR_TYPES.keys()),
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default='on',
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help='Specify type of progress to be displayed [' +
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'|'.join(BAR_TYPES.keys()) + '] (default: %default)')
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log = partial(
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Option,
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"--log", "--log-file", "--local-log",
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dest="log",
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metavar="path",
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help="Path to a verbose appending log."
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)
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no_input = partial(
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Option,
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# Don't ask for input
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'--no-input',
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dest='no_input',
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action='store_true',
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default=False,
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help=SUPPRESS_HELP)
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proxy = partial(
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Option,
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'--proxy',
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dest='proxy',
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type='str',
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default='',
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help="Specify a proxy in the form [user:passwd@]proxy.server:port.")
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retries = partial(
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Option,
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'--retries',
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dest='retries',
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type='int',
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default=5,
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help="Maximum number of retries each connection should attempt "
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"(default %default times).")
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timeout = partial(
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Option,
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'--timeout', '--default-timeout',
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metavar='sec',
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dest='timeout',
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type='float',
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default=15,
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help='Set the socket timeout (default %default seconds).')
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skip_requirements_regex = partial(
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Option,
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# A regex to be used to skip requirements
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'--skip-requirements-regex',
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dest='skip_requirements_regex',
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type='str',
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default='',
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help=SUPPRESS_HELP)
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def exists_action():
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return Option(
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# Option when path already exist
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'--exists-action',
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dest='exists_action',
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type='choice',
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choices=['s', 'i', 'w', 'b', 'a'],
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default=[],
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action='append',
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metavar='action',
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help="Default action when a path already exists: "
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"(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.")
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cert = partial(
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Option,
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'--cert',
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dest='cert',
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type='str',
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metavar='path',
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help="Path to alternate CA bundle.")
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client_cert = partial(
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Option,
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'--client-cert',
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dest='client_cert',
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type='str',
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default=None,
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metavar='path',
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help="Path to SSL client certificate, a single file containing the "
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"private key and the certificate in PEM format.")
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index_url = partial(
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Option,
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'-i', '--index-url', '--pypi-url',
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dest='index_url',
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metavar='URL',
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default=PyPI.simple_url,
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help="Base URL of Python Package Index (default %default). "
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"This should point to a repository compliant with PEP 503 "
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"(the simple repository API) or a local directory laid out "
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"in the same format.")
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def extra_index_url():
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return Option(
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'--extra-index-url',
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dest='extra_index_urls',
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metavar='URL',
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action='append',
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default=[],
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help="Extra URLs of package indexes to use in addition to "
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"--index-url. Should follow the same rules as "
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"--index-url."
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)
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no_index = partial(
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Option,
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'--no-index',
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dest='no_index',
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action='store_true',
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default=False,
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help='Ignore package index (only looking at --find-links URLs instead).')
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def find_links():
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return Option(
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'-f', '--find-links',
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dest='find_links',
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action='append',
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default=[],
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metavar='url',
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help="If a url or path to an html file, then parse for links to "
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"archives. If a local path or file:// url that's a directory, "
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"then look for archives in the directory listing.")
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def trusted_host():
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return Option(
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"--trusted-host",
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dest="trusted_hosts",
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action="append",
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metavar="HOSTNAME",
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default=[],
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help="Mark this host as trusted, even though it does not have valid "
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"or any HTTPS.",
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)
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# Remove after 1.5
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process_dependency_links = partial(
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Option,
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"--process-dependency-links",
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dest="process_dependency_links",
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action="store_true",
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default=False,
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help="Enable the processing of dependency links.",
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)
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def constraints():
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return Option(
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'-c', '--constraint',
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dest='constraints',
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action='append',
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default=[],
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metavar='file',
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help='Constrain versions using the given constraints file. '
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'This option can be used multiple times.')
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def requirements():
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return Option(
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'-r', '--requirement',
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dest='requirements',
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action='append',
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default=[],
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metavar='file',
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help='Install from the given requirements file. '
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'This option can be used multiple times.')
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def editable():
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return Option(
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'-e', '--editable',
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dest='editables',
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action='append',
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default=[],
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metavar='path/url',
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help=('Install a project in editable mode (i.e. setuptools '
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'"develop mode") from a local project path or a VCS url.'),
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)
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src = partial(
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Option,
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'--src', '--source', '--source-dir', '--source-directory',
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dest='src_dir',
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metavar='dir',
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default=src_prefix,
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help='Directory to check out editable projects into. '
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'The default in a virtualenv is "<venv path>/src". '
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'The default for global installs is "<current dir>/src".'
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)
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def _get_format_control(values, option):
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"""Get a format_control object."""
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return getattr(values, option.dest)
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def _handle_no_binary(option, opt_str, value, parser):
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existing = getattr(parser.values, option.dest)
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fmt_ctl_handle_mutual_exclude(
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value, existing.no_binary, existing.only_binary)
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def _handle_only_binary(option, opt_str, value, parser):
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existing = getattr(parser.values, option.dest)
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fmt_ctl_handle_mutual_exclude(
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value, existing.only_binary, existing.no_binary)
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def no_binary():
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return Option(
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"--no-binary", dest="format_control", action="callback",
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callback=_handle_no_binary, type="str",
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default=FormatControl(set(), set()),
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help="Do not use binary packages. Can be supplied multiple times, and "
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"each time adds to the existing value. Accepts either :all: to "
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"disable all binary packages, :none: to empty the set, or one or "
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"more package names with commas between them. Note that some "
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"packages are tricky to compile and may fail to install when "
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"this option is used on them.")
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def only_binary():
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return Option(
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"--only-binary", dest="format_control", action="callback",
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callback=_handle_only_binary, type="str",
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default=FormatControl(set(), set()),
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help="Do not use source packages. Can be supplied multiple times, and "
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"each time adds to the existing value. Accepts either :all: to "
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"disable all source packages, :none: to empty the set, or one or "
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"more package names with commas between them. Packages without "
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"binary distributions will fail to install when this option is "
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"used on them.")
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cache_dir = partial(
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Option,
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"--cache-dir",
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dest="cache_dir",
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default=USER_CACHE_DIR,
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metavar="dir",
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help="Store the cache data in <dir>."
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)
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no_cache = partial(
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Option,
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"--no-cache-dir",
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dest="cache_dir",
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action="store_false",
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help="Disable the cache.",
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)
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no_deps = partial(
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Option,
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'--no-deps', '--no-dependencies',
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dest='ignore_dependencies',
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action='store_true',
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default=False,
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help="Don't install package dependencies.")
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build_dir = partial(
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Option,
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'-b', '--build', '--build-dir', '--build-directory',
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dest='build_dir',
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metavar='dir',
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help='Directory to unpack packages into and build in.'
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)
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ignore_requires_python = partial(
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Option,
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'--ignore-requires-python',
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dest='ignore_requires_python',
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action='store_true',
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help='Ignore the Requires-Python information.')
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install_options = partial(
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Option,
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'--install-option',
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dest='install_options',
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action='append',
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metavar='options',
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help="Extra arguments to be supplied to the setup.py install "
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"command (use like --install-option=\"--install-scripts=/usr/local/"
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"bin\"). Use multiple --install-option options to pass multiple "
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"options to setup.py install. If you are using an option with a "
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"directory path, be sure to use absolute path.")
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global_options = partial(
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Option,
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'--global-option',
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dest='global_options',
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action='append',
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metavar='options',
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help="Extra global options to be supplied to the setup.py "
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"call before the install command.")
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no_clean = partial(
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Option,
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'--no-clean',
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action='store_true',
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default=False,
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help="Don't clean up build directories.")
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pre = partial(
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Option,
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'--pre',
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action='store_true',
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default=False,
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help="Include pre-release and development versions. By default, "
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"pip only finds stable versions.")
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disable_pip_version_check = partial(
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Option,
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"--disable-pip-version-check",
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dest="disable_pip_version_check",
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action="store_true",
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default=False,
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help="Don't periodically check PyPI to determine whether a new version "
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"of pip is available for download. Implied with --no-index.")
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# Deprecated, Remove later
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always_unzip = partial(
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Option,
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'-Z', '--always-unzip',
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dest='always_unzip',
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action='store_true',
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help=SUPPRESS_HELP,
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)
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def _merge_hash(option, opt_str, value, parser):
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"""Given a value spelled "algo:digest", append the digest to a list
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pointed to in a dict by the algo name."""
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if not parser.values.hashes:
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parser.values.hashes = {}
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try:
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algo, digest = value.split(':', 1)
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except ValueError:
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parser.error('Arguments to %s must be a hash name '
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'followed by a value, like --hash=sha256:abcde...' %
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opt_str)
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if algo not in STRONG_HASHES:
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parser.error('Allowed hash algorithms for %s are %s.' %
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(opt_str, ', '.join(STRONG_HASHES)))
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parser.values.hashes.setdefault(algo, []).append(digest)
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hash = partial(
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Option,
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'--hash',
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# Hash values eventually end up in InstallRequirement.hashes due to
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# __dict__ copying in process_line().
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dest='hashes',
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action='callback',
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callback=_merge_hash,
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type='string',
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help="Verify that the package's archive matches this "
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'hash before installing. Example: --hash=sha256:abcdef...')
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require_hashes = partial(
|
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Option,
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'--require-hashes',
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dest='require_hashes',
|
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action='store_true',
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default=False,
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help='Require a hash to check each requirement against, for '
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'repeatable installs. This option is implied when any package in a '
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'requirements file has a --hash option.')
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|
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##########
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# groups #
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##########
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general_group = {
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'name': 'General Options',
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'options': [
|
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help_,
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isolated_mode,
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require_virtualenv,
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|
verbose,
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version,
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|
quiet,
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|
log,
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|
no_input,
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proxy,
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|
retries,
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|
timeout,
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|
skip_requirements_regex,
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exists_action,
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|
trusted_host,
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|
cert,
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|
client_cert,
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cache_dir,
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no_cache,
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disable_pip_version_check,
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]
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}
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|
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index_group = {
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'name': 'Package Index Options',
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'options': [
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index_url,
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extra_index_url,
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no_index,
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find_links,
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process_dependency_links,
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]
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}
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