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""" shared options and groups The principle here is to define options once, but *not* instantiate them globally. One reason being that options with action='append' can carry state between parses. pip parses general options twice internally, and shouldn't pass on state. To be consistent, all options will follow this design. """ # The following comment should be removed at some point in the future. # mypy: strict-optional=False # mypy: disallow-untyped-defs=False from __future__ import absolute_import import logging import textwrap import warnings from distutils.util import strtobool from functools import partial from optparse import SUPPRESS_HELP, Option, OptionGroup from textwrap import dedent from pip._internal.exceptions import CommandError from pip._internal.locations import USER_CACHE_DIR, get_src_prefix from pip._internal.models.format_control import FormatControl from pip._internal.models.index import PyPI from pip._internal.models.target_python import TargetPython from pip._internal.utils.hashes import STRONG_HASHES from pip._internal.utils.typing import MYPY_CHECK_RUNNING from pip._internal.utils.ui import BAR_TYPES if MYPY_CHECK_RUNNING: from typing import Any, Callable, Dict, Optional, Tuple from optparse import OptionParser, Values from pip._internal.cli.parser import ConfigOptionParser logger = logging.getLogger(__name__) def raise_option_error(parser, option, msg): """ Raise an option parsing error using parser.error(). Args: parser: an OptionParser instance. option: an Option instance. msg: the error text. """ msg = '{} error: {}'.format(option, msg) msg = textwrap.fill(' '.join(msg.split())) parser.error(msg) def make_option_group(group, parser): # type: (Dict[str, Any], ConfigOptionParser) -> OptionGroup """ Return an OptionGroup object group -- assumed to be dict with 'name' and 'options' keys parser -- an optparse Parser """ option_group = OptionGroup(parser, group['name']) for option in group['options']: option_group.add_option(option()) return option_group def check_install_build_global(options, check_options=None): # type: (Values, Optional[Values]) -> None """Disable wheels if per-setup.py call options are set. :param options: The OptionParser options to update. :param check_options: The options to check, if not supplied defaults to options. """ if check_options is None: check_options = options def getname(n): return getattr(check_options, n, None) names = ["build_options", "global_options", "install_options"] if any(map(getname, names)): control = options.format_control control.disallow_binaries() warnings.warn( 'Disabling all use of wheels due to the use of --build-options ' '/ --global-options / --install-options.', stacklevel=2, ) def check_dist_restriction(options, check_target=False): # type: (Values, bool) -> None """Function for determining if custom platform options are allowed. :param options: The OptionParser options. :param check_target: Whether or not to check if --target is being used. """ dist_restriction_set = any([ options.python_version, options.platform, options.abi, options.implementation, ]) binary_only = FormatControl(set(), {':all:'}) sdist_dependencies_allowed = ( options.format_control != binary_only and not options.ignore_dependencies ) # Installations or downloads using dist restrictions must not combine # source distributions and dist-specific wheels, as they are not # guaranteed to be locally compatible. if dist_restriction_set and sdist_dependencies_allowed: raise CommandError( "When restricting platform and interpreter constraints using " "--python-version, --platform, --abi, or --implementation, " "either --no-deps must be set, or --only-binary=:all: must be " "set and --no-binary must not be set (or must be set to " ":none:)." ) if check_target: if dist_restriction_set and not options.target_dir: raise CommandError( "Can not use any platform or abi specific options unless " "installing via '--target'" ) ########### # options # ########### help_ = partial( Option, '-h', '--help', dest='help', action='help', help='Show help.', ) # type: Callable[..., Option] isolated_mode = partial( Option, "--isolated", dest="isolated_mode", action="store_true", default=False, help=( "Run pip in an isolated mode, ignoring environment variables and user " "configuration." ), ) # type: Callable[..., Option] require_virtualenv = partial( Option, # Run only if inside a virtualenv, bail if not. '--require-virtualenv', '--require-venv', dest='require_venv', action='store_true', default=False, help=SUPPRESS_HELP ) # type: Callable[..., Option] verbose = partial( Option, '-v', '--verbose', dest='verbose', action='count', default=0, help='Give more output. Option is additive, and can be used up to 3 times.' ) # type: Callable[..., Option] no_color = partial( Option, '--no-color', dest='no_color', action='store_true', default=False, help="Suppress colored output", ) # type: Callable[..., Option] version = partial( Option, '-V', '--version', dest='version', action='store_true', help='Show version and exit.', ) # type: Callable[..., Option] quiet = partial( Option, '-q', '--quiet', dest='quiet', action='count', default=0, help=( 'Give less output. Option is additive, and can be used up to 3' ' times (corresponding to WARNING, ERROR, and CRITICAL logging' ' levels).' ), ) # type: Callable[..., Option] progress_bar = partial( Option, '--progress-bar', dest='progress_bar', type='choice', choices=list(BAR_TYPES.keys()), default='on', help=( 'Specify type of progress to be displayed [' + '|'.join(BAR_TYPES.keys()) + '] (default: %default)' ), ) # type: Callable[..., Option] log = partial( Option, "--log", "--log-file", "--local-log", dest="log", metavar="path", help="Path to a verbose appending log." ) # type: Callable[..., Option] no_input = partial( Option, # Don't ask for input '--no-input', dest='no_input', action='store_true', default=False, help=SUPPRESS_HELP ) # type: Callable[..., Option] proxy = partial( Option, '--proxy', dest='proxy', type='str', default='', help="Specify a proxy in the form [user:passwd@]proxy.server:port." ) # type: Callable[..., Option] retries = partial( Option, '--retries', dest='retries', type='int', default=5, help="Maximum number of retries each connection should attempt " "(default %default times).", ) # type: Callable[..., Option] timeout = partial( Option, '--timeout', '--default-timeout', metavar='sec', dest='timeout', type='float', default=15, help='Set the socket timeout (default %default seconds).', ) # type: Callable[..., Option] skip_requirements_regex = partial( Option, # A regex to be used to skip requirements '--skip-requirements-regex', dest='skip_requirements_regex', type='str', default='', help=SUPPRESS_HELP, ) # type: Callable[..., Option] def exists_action(): # type: () -> Option return Option( # Option when path already exist '--exists-action', dest='exists_action', type='choice', choices=['s', 'i', 'w', 'b', 'a'], default=[], action='append', metavar='action', help="Default action when a path already exists: " "(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.", ) cert = partial( Option, '--cert', dest='cert', type='str', metavar='path', help="Path to alternate CA bundle.", ) # type: Callable[..., Option] client_cert = partial( Option, '--client-cert', dest='client_cert', type='str', default=None, metavar='path', help="Path to SSL client certificate, a single file containing the " "private key and the certificate in PEM format.", ) # type: Callable[..., Option] index_url = partial( Option, '-i', '--index-url', '--pypi-url', dest='index_url', metavar='URL', default=PyPI.simple_url, help="Base URL of the Python Package Index (default %default). " "This should point to a repository compliant with PEP 503 " "(the simple repository API) or a local directory laid out " "in the same format.", ) # type: Callable[..., Option] def extra_index_url(): return Option( '--extra-index-url', dest='extra_index_urls', metavar='URL', action='append', default=[], help="Extra URLs of package indexes to use in addition to " "--index-url. Should follow the same rules as " "--index-url.", ) no_index = partial( Option, '--no-index', dest='no_index', action='store_true', default=False, help='Ignore package index (only looking at --find-links URLs instead).', ) # type: Callable[..., Option] def find_links(): # type: () -> Option return Option( '-f', '--find-links', dest='find_links', action='append', default=[], metavar='url', help="If a url or path to an html file, then parse for links to " "archives. If a local path or file:// url that's a directory, " "then look for archives in the directory listing.", ) def trusted_host(): # type: () -> Option return Option( "--trusted-host", dest="trusted_hosts", action="append", metavar="HOSTNAME", default=[], help="Mark this host or host:port pair as trusted, even though it " "does not have valid or any HTTPS.", ) def constraints(): # type: () -> Option return Option( '-c', '--constraint', dest='constraints', action='append', default=[], metavar='file', help='Constrain versions using the given constraints file. ' 'This option can be used multiple times.' ) def requirements(): # type: () -> Option return Option( '-r', '--requirement', dest='requirements', action='append', default=[], metavar='file', help='Install from the given requirements file. ' 'This option can be used multiple times.' ) def editable(): # type: () -> Option return Option( '-e', '--editable', dest='editables', action='append', default=[], metavar='path/url', help=('Install a project in editable mode (i.e. setuptools ' '"develop mode") from a local project path or a VCS url.'), ) src = partial( Option, '--src', '--source', '--source-dir', '--source-directory', dest='src_dir', metavar='dir', default=get_src_prefix(), help='Directory to check out editable projects into. ' 'The default in a virtualenv is "<venv path>/src". ' 'The default for global installs is "<current dir>/src".' ) # type: Callable[..., Option] def _get_format_control(values, option): # type: (Values, Option) -> Any """Get a format_control object.""" return getattr(values, option.dest) def _handle_no_binary(option, opt_str, value, parser): # type: (Option, str, str, OptionParser) -> None existing = _get_format_control(parser.values, option) FormatControl.handle_mutual_excludes( value, existing.no_binary, existing.only_binary, ) def _handle_only_binary(option, opt_str, value, parser): # type: (Option, str, str, OptionParser) -> None existing = _get_format_control(parser.values, option) FormatControl.handle_mutual_excludes( value, existing.only_binary, existing.no_binary, ) def no_binary(): # type: () -> Option format_control = FormatControl(set(), set()) return Option( "--no-binary", dest="format_control", action="callback", callback=_handle_no_binary, type="str", default=format_control, help="Do not use binary packages. Can be supplied multiple times, and " "each time adds to the existing value. Accepts either :all: to " "disable all binary packages, :none: to empty the set, or one or " "more package names with commas between them (no colons). Note " "that some packages are tricky to compile and may fail to " "install when this option is used on them.", ) def only_binary(): # type: () -> Option format_control = FormatControl(set(), set()) return Option( "--only-binary", dest="format_control", action="callback", callback=_handle_only_binary, type="str", default=format_control, help="Do not use source packages. Can be supplied multiple times, and " "each time adds to the existing value. Accepts either :all: to " "disable all source packages, :none: to empty the set, or one or " "more package names with commas between them. Packages without " "binary distributions will fail to install when this option is " "used on them.", ) platform = partial( Option, '--platform', dest='platform', metavar='platform', default=None, help=("Only use wheels compatible with <platform>. " "Defaults to the platform of the running system."), ) # type: Callable[..., Option] # This was made a separate function for unit-testing purposes. def _convert_python_version(value): # type: (str) -> Tuple[Tuple[int, ...], Optional[str]] """ Convert a version string like "3", "37", or "3.7.3" into a tuple of ints. :return: A 2-tuple (version_info, error_msg), where `error_msg` is non-None if and only if there was a parsing error. """ if not value: # The empty string is the same as not providing a value. return (None, None) parts = value.split('.') if len(parts) > 3: return ((), 'at most three version parts are allowed') if len(parts) == 1: # Then we are in the case of "3" or "37". value = parts[0] if len(value) > 1: parts = [value[0], value[1:]] try: version_info = tuple(int(part) for part in parts) except ValueError: return ((), 'each version part must be an integer') return (version_info, None) def _handle_python_version(option, opt_str, value, parser): # type: (Option, str, str, OptionParser) -> None """ Handle a provided --python-version value. """ version_info, error_msg = _convert_python_version(value) if error_msg is not None: msg = ( 'invalid --python-version value: {!r}: {}'.format( value, error_msg, ) ) raise_option_error(parser, option=option, msg=msg) parser.values.python_version = version_info python_version = partial( Option, '--python-version', dest='python_version', metavar='python_version', action='callback', callback=_handle_python_version, type='str', default=None, help=dedent("""\ The Python interpreter version to use for wheel and "Requires-Python" compatibility checks. Defaults to a version derived from the running interpreter. The version can be specified using up to three dot-separated integers (e.g. "3" for 3.0.0, "3.7" for 3.7.0, or "3.7.3"). A major-minor version can also be given as a string without dots (e.g. "37" for 3.7.0). """), ) # type: Callable[..., Option] implementation = partial( Option, '--implementation', dest='implementation', metavar='implementation', default=None, help=("Only use wheels compatible with Python " "implementation <implementation>, e.g. 'pp', 'jy', 'cp', " " or 'ip'. If not specified, then the current " "interpreter implementation is used. Use 'py' to force " "implementation-agnostic wheels."), ) # type: Callable[..., Option] abi = partial( Option, '--abi', dest='abi', metavar='abi', default=None, help=("Only use wheels compatible with Python " "abi <abi>, e.g. 'pypy_41'. If not specified, then the " "current interpreter abi tag is used. Generally " "you will need to specify --implementation, " "--platform, and --python-version when using " "this option."), ) # type: Callable[..., Option] def add_target_python_options(cmd_opts): # type: (OptionGroup) -> None cmd_opts.add_option(platform()) cmd_opts.add_option(python_version()) cmd_opts.add_option(implementation()) cmd_opts.add_option(abi()) def make_target_python(options): # type: (Values) -> TargetPython target_python = TargetPython( platform=options.platform, py_version_info=options.python_version, abi=options.abi, implementation=options.implementation, ) return target_python def prefer_binary(): # type: () -> Option return Option( "--prefer-binary", dest="prefer_binary", action="store_true", default=False, help="Prefer older binary packages over newer source packages." ) cache_dir = partial( Option, "--cache-dir", dest="cache_dir", default=USER_CACHE_DIR, metavar="dir", help="Store the cache data in <dir>." ) # type: Callable[..., Option] def _handle_no_cache_dir(option, opt, value, parser): # type: (Option, str, str, OptionParser) -> None """ Process a value provided for the --no-cache-dir option. This is an optparse.Option callback for the --no-cache-dir option. """ # The value argument will be None if --no-cache-dir is passed via the # command-line, since the option doesn't accept arguments. However, # the value can be non-None if the option is triggered e.g. by an # environment variable, like PIP_NO_CACHE_DIR=true. if value is not None: # Then parse the string value to get argument error-checking. try: strtobool(value) except ValueError as exc: raise_option_error(parser, option=option, msg=str(exc)) # Originally, setting PIP_NO_CACHE_DIR to a value that strtobool() # converted to 0 (like "false" or "no") caused cache_dir to be disabled # rather than enabled (logic would say the latter). Thus, we disable # the cache directory not just on values that parse to True, but (for # backwards compatibility reasons) also on values that parse to False. # In other words, always set it to False if the option is provided in # some (valid) form. parser.values.cache_dir = False no_cache = partial( Option, "--no-cache-dir", dest="cache_dir", action="callback", callback=_handle_no_cache_dir, help="Disable the cache.", ) # type: Callable[..., Option] no_deps = partial( Option, '--no-deps', '--no-dependencies', dest='ignore_dependencies', action='store_true', default=False, help="Don't install package dependencies.", ) # type: Callable[..., Option] build_dir = partial( Option, '-b', '--build', '--build-dir', '--build-directory', dest='build_dir', metavar='dir', help='Directory to unpack packages into and build in. Note that ' 'an initial build still takes place in a temporary directory. ' 'The location of temporary directories can be controlled by setting ' 'the TMPDIR environment variable (TEMP on Windows) appropriately. ' 'When passed, build directories are not cleaned in case of failures.' ) # type: Callable[..., Option] ignore_requires_python = partial( Option, '--ignore-requires-python', dest='ignore_requires_python', action='store_true', help='Ignore the Requires-Python information.' ) # type: Callable[..., Option] no_build_isolation = partial( Option, '--no-build-isolation', dest='build_isolation', action='store_false', default=True, help='Disable isolation when building a modern source distribution. ' 'Build dependencies specified by PEP 518 must be already installed ' 'if this option is used.' ) # type: Callable[..., Option] def _handle_no_use_pep517(option, opt, value, parser): # type: (Option, str, str, OptionParser) -> None """ Process a value provided for the --no-use-pep517 option. This is an optparse.Option callback for the no_use_pep517 option. """ # Since --no-use-pep517 doesn't accept arguments, the value argument # will be None if --no-use-pep517 is passed via the command-line. # However, the value can be non-None if the option is triggered e.g. # by an environment variable, for example "PIP_NO_USE_PEP517=true". if value is not None: msg = """A value was passed for --no-use-pep517, probably using either the PIP_NO_USE_PEP517 environment variable or the "no-use-pep517" config file option. Use an appropriate value of the PIP_USE_PEP517 environment variable or the "use-pep517" config file option instead. """ raise_option_error(parser, option=option, msg=msg) # Otherwise, --no-use-pep517 was passed via the command-line. parser.values.use_pep517 = False use_pep517 = partial( Option, '--use-pep517', dest='use_pep517', action='store_true', default=None, help='Use PEP 517 for building source distributions ' '(use --no-use-pep517 to force legacy behaviour).' ) # type: Any no_use_pep517 = partial( Option, '--no-use-pep517', dest='use_pep517', action='callback', callback=_handle_no_use_pep517, default=None, help=SUPPRESS_HELP ) # type: Any install_options = partial( Option, '--install-option', dest='install_options', action='append', metavar='options', help="Extra arguments to be supplied to the setup.py install " "command (use like --install-option=\"--install-scripts=/usr/local/" "bin\"). Use multiple --install-option options to pass multiple " "options to setup.py install. If you are using an option with a " "directory path, be sure to use absolute path.", ) # type: Callable[..., Option] global_options = partial( Option, '--global-option', dest='global_options', action='append', metavar='options', help="Extra global options to be supplied to the setup.py " "call before the install command.", ) # type: Callable[..., Option] no_clean = partial( Option, '--no-clean', action='store_true', default=False, help="Don't clean up build directories." ) # type: Callable[..., Option] pre = partial( Option, '--pre', action='store_true', default=False, help="Include pre-release and development versions. By default, " "pip only finds stable versions.", ) # type: Callable[..., Option] disable_pip_version_check = partial( Option, "--disable-pip-version-check", dest="disable_pip_version_check", action="store_true", default=False, help="Don't periodically check PyPI to determine whether a new version " "of pip is available for download. Implied with --no-index.", ) # type: Callable[..., Option] # Deprecated, Remove later always_unzip = partial( Option, '-Z', '--always-unzip', dest='always_unzip', action='store_true', help=SUPPRESS_HELP, ) # type: Callable[..., Option] def _handle_merge_hash(option, opt_str, value, parser): # type: (Option, str, str, OptionParser) -> None """Given a value spelled "algo:digest", append the digest to a list pointed to in a dict by the algo name.""" if not parser.values.hashes: parser.values.hashes = {} try: algo, digest = value.split(':', 1) except ValueError: parser.error('Arguments to %s must be a hash name ' 'followed by a value, like --hash=sha256:abcde...' % opt_str) if algo not in STRONG_HASHES: parser.error('Allowed hash algorithms for %s are %s.' % (opt_str, ', '.join(STRONG_HASHES))) parser.values.hashes.setdefault(algo, []).append(digest) hash = partial( Option, '--hash', # Hash values eventually end up in InstallRequirement.hashes due to # __dict__ copying in process_line(). dest='hashes', action='callback', callback=_handle_merge_hash, type='string', help="Verify that the package's archive matches this " 'hash before installing. Example: --hash=sha256:abcdef...', ) # type: Callable[..., Option] require_hashes = partial( Option, '--require-hashes', dest='require_hashes', action='store_true', default=False, help='Require a hash to check each requirement against, for ' 'repeatable installs. This option is implied when any package in a ' 'requirements file has a --hash option.', ) # type: Callable[..., Option] list_path = partial( Option, '--path', dest='path', action='append', help='Restrict to the specified installation path for listing ' 'packages (can be used multiple times).' ) # type: Callable[..., Option] def check_list_path_option(options): # type: (Values) -> None if options.path and (options.user or options.local): raise CommandError( "Cannot combine '--path' with '--user' or '--local'" ) ########## # groups # ########## general_group = { 'name': 'General Options', 'options': [ help_, isolated_mode, require_virtualenv, verbose, version, quiet, log, no_input, proxy, retries, timeout, skip_requirements_regex, exists_action, trusted_host, cert, client_cert, cache_dir, no_cache, disable_pip_version_check, no_color, ] } # type: Dict[str, Any] index_group = { 'name': 'Package Index Options', 'options': [ index_url, extra_index_url, no_index, find_links, ] } # type: Dict[str, Any]