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📄 __init__.py """Subpackage containing all of pip's command line interface related code """ # This file intentionally does not import submodules	132 B	2024-10-02 19:13
📁 __pycache__	-	2026-03-21 15:18
📄 autocompletion.py """Logic that powers autocompletion installed by ``pip completion``. """ import optparse import os import sys from itertools import chain from typing import Any, Iterable, List, Optional from pip._internal.cli.main_parser import create_main_parser from pip._internal.commands import commands_dict, create_command from pip._internal.metadata import get_default_environment def autocomplete() -> None: """Entry Point for completion of main and subcommand options.""" # Don't complete if user hasn't sourced bash_completion file. if "PIP_AUTO_COMPLETE" not in os.environ: return cwords = os.environ["COMP_WORDS"].split()[1:] cword = int(os.environ["COMP_CWORD"]) try: current = cwords[cword - 1] except IndexError: current = "" parser = create_main_parser() subcommands = list(commands_dict) options = [] # subcommand subcommand_name: Optional[str] = None for word in cwords: if word in subcommands: subcommand_name = word break # subcommand options if subcommand_name is not None: # special case: 'help' subcommand has no options if subcommand_name == "help": sys.exit(1) # special case: list locally installed dists for show and uninstall should_list_installed = not current.startswith("-") and subcommand_name in [ "show", "uninstall", ] if should_list_installed: env = get_default_environment() lc = current.lower() installed = [ dist.canonical_name for dist in env.iter_installed_distributions(local_only=True) if dist.canonical_name.startswith(lc) and dist.canonical_name not in cwords[1:] ] # if there are no dists installed, fall back to option completion if installed: for dist in installed: print(dist) sys.exit(1) subcommand = create_command(subcommand_name) for opt in subcommand.parser.option_list_all: if opt.help != optparse.SUPPRESS_HELP: for opt_str in opt._long_opts + opt._short_opts: options.append((opt_str, opt.nargs)) # filter out previously specified options from available options prev_opts = [x.split("=")[0] for x in cwords[1 : cword - 1]] options = [(x, v) for (x, v) in options if x not in prev_opts] # filter options by current input options = [(k, v) for k, v in options if k.startswith(current)] # get completion type given cwords and available subcommand options completion_type = get_path_completion_type( cwords, cword, subcommand.parser.option_list_all, ) # get completion files and directories if ``completion_type`` is # ``<file>``, ``<dir>`` or ``<path>`` if completion_type: paths = auto_complete_paths(current, completion_type) options = [(path, 0) for path in paths] for option in options: opt_label = option[0] # append '=' to options which require args if option[1] and option[0][:2] == "--": opt_label += "=" print(opt_label) else: # show main parser options only when necessary opts = [i.option_list for i in parser.option_groups] opts.append(parser.option_list) flattened_opts = chain.from_iterable(opts) if current.startswith("-"): for opt in flattened_opts: if opt.help != optparse.SUPPRESS_HELP: subcommands += opt._long_opts + opt._short_opts else: # get completion type given cwords and all available options completion_type = get_path_completion_type(cwords, cword, flattened_opts) if completion_type: subcommands = list(auto_complete_paths(current, completion_type)) print(" ".join([x for x in subcommands if x.startswith(current)])) sys.exit(1) def get_path_completion_type( cwords: List[str], cword: int, opts: Iterable[Any] ) -> Optional[str]: """Get the type of path completion (``file``, ``dir``, ``path`` or None) :param cwords: same as the environmental variable ``COMP_WORDS`` :param cword: same as the environmental variable ``COMP_CWORD`` :param opts: The available options to check :return: path completion type (``file``, ``dir``, ``path`` or None) """ if cword < 2 or not cwords[cword - 2].startswith("-"): return None for opt in opts: if opt.help == optparse.SUPPRESS_HELP: continue for o in str(opt).split("/"): if cwords[cword - 2].split("=")[0] == o: if not opt.metavar or any( x in ("path", "file", "dir") for x in opt.metavar.split("/") ): return opt.metavar return None def auto_complete_paths(current: str, completion_type: str) -> Iterable[str]: """If ``completion_type`` is ``file`` or ``path``, list all regular files and directories starting with ``current``; otherwise only list directories starting with ``current``. :param current: The word to be completed :param completion_type: path completion type(`file`, `path` or `dir`)i :return: A generator of regular files and/or directories """ directory, filename = os.path.split(current) current_path = os.path.abspath(directory) # Don't complete paths if they can't be accessed if not os.access(current_path, os.R_OK): return filename = os.path.normcase(filename) # list all files that start with ``filename`` file_list = ( x for x in os.listdir(current_path) if os.path.normcase(x).startswith(filename) ) for f in file_list: opt = os.path.join(current_path, f) comp_file = os.path.normcase(os.path.join(directory, f)) # complete regular files when there is not ``<dir>`` after option # complete directories when there is ``<file>``, ``<path>`` or # ``<dir>``after option if completion_type != "dir" and os.path.isfile(opt): yield comp_file elif os.path.isdir(opt): yield os.path.join(comp_file, "")	6.25 KB	2024-10-02 19:13
📄 base_command.py """Base Command class, and related routines""" import functools import logging import logging.config import optparse import os import sys import traceback from optparse import Values from typing import Any, Callable, List, Optional, Tuple from pip._internal.cli import cmdoptions from pip._internal.cli.command_context import CommandContextMixIn from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter from pip._internal.cli.status_codes import ( ERROR, PREVIOUS_BUILD_DIR_ERROR, UNKNOWN_ERROR, VIRTUALENV_NOT_FOUND, ) from pip._internal.exceptions import ( BadCommand, CommandError, InstallationError, NetworkConnectionError, PreviousBuildDirError, UninstallationError, ) from pip._internal.utils.filesystem import check_path_owner from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging from pip._internal.utils.misc import get_prog, normalize_path from pip._internal.utils.temp_dir import TempDirectoryTypeRegistry as TempDirRegistry from pip._internal.utils.temp_dir import global_tempdir_manager, tempdir_registry from pip._internal.utils.virtualenv import running_under_virtualenv __all__ = ["Command"] logger = logging.getLogger(__name__) class Command(CommandContextMixIn): usage: str = "" ignore_require_venv: bool = False def __init__(self, name: str, summary: str, isolated: bool = False) -> None: super().__init__() self.name = name self.summary = summary self.parser = ConfigOptionParser( usage=self.usage, prog=f"{get_prog()} {name}", formatter=UpdatingDefaultsHelpFormatter(), add_help_option=False, name=name, description=self.__doc__, isolated=isolated, ) self.tempdir_registry: Optional[TempDirRegistry] = None # Commands should add options to this option group optgroup_name = f"{self.name.capitalize()} Options" self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name) # Add the general options gen_opts = cmdoptions.make_option_group( cmdoptions.general_group, self.parser, ) self.parser.add_option_group(gen_opts) self.add_options() def add_options(self) -> None: pass def handle_pip_version_check(self, options: Values) -> None: """ This is a no-op so that commands by default do not do the pip version check. """ # Make sure we do the pip version check if the index_group options # are present. assert not hasattr(options, "no_index") def run(self, options: Values, args: List[str]) -> int: raise NotImplementedError def parse_args(self, args: List[str]) -> Tuple[Values, List[str]]: # factored out for testability return self.parser.parse_args(args) def main(self, args: List[str]) -> int: try: with self.main_context(): return self._main(args) finally: logging.shutdown() def _main(self, args: List[str]) -> int: # We must initialize this before the tempdir manager, otherwise the # configuration would not be accessible by the time we clean up the # tempdir manager. self.tempdir_registry = self.enter_context(tempdir_registry()) # Intentionally set as early as possible so globally-managed temporary # directories are available to the rest of the code. self.enter_context(global_tempdir_manager()) options, args = self.parse_args(args) # Set verbosity so that it can be used elsewhere. self.verbosity = options.verbose - options.quiet level_number = setup_logging( verbosity=self.verbosity, no_color=options.no_color, user_log_file=options.log, ) # TODO: Try to get these passing down from the command? # without resorting to os.environ to hold these. # This also affects isolated builds and it should. if options.no_input: os.environ["PIP_NO_INPUT"] = "1" if options.exists_action: os.environ["PIP_EXISTS_ACTION"] = " ".join(options.exists_action) if options.require_venv and not self.ignore_require_venv: # If a venv is required check if it can really be found if not running_under_virtualenv(): logger.critical("Could not find an activated virtualenv (required).") sys.exit(VIRTUALENV_NOT_FOUND) if options.cache_dir: options.cache_dir = normalize_path(options.cache_dir) if not check_path_owner(options.cache_dir): logger.warning( "The directory '%s' or its parent directory is not owned " "or is not writable by the current user. The cache " "has been disabled. Check the permissions and owner of " "that directory. If executing pip with sudo, you should " "use sudo's -H flag.", options.cache_dir, ) options.cache_dir = None if "2020-resolver" in options.features_enabled: logger.warning( "--use-feature=2020-resolver no longer has any effect, " "since it is now the default dependency resolver in pip. " "This will become an error in pip 21.0." ) def intercepts_unhandled_exc( run_func: Callable[..., int] ) -> Callable[..., int]: @functools.wraps(run_func) def exc_logging_wrapper(args: Any) -> int: try: status = run_func(args) assert isinstance(status, int) return status except PreviousBuildDirError as exc: logger.critical(str(exc)) logger.debug("Exception information:", exc_info=True) return PREVIOUS_BUILD_DIR_ERROR except ( InstallationError, UninstallationError, BadCommand, NetworkConnectionError, ) as exc: logger.critical(str(exc)) logger.debug("Exception information:", exc_info=True) return ERROR except CommandError as exc: logger.critical("%s", exc) logger.debug("Exception information:", exc_info=True) return ERROR except BrokenStdoutLoggingError: # Bypass our logger and write any remaining messages to # stderr because stdout no longer works. print("ERROR: Pipe to stdout was broken", file=sys.stderr) if level_number <= logging.DEBUG: traceback.print_exc(file=sys.stderr) return ERROR except KeyboardInterrupt: logger.critical("Operation cancelled by user") logger.debug("Exception information:", exc_info=True) return ERROR except BaseException: logger.critical("Exception:", exc_info=True) return UNKNOWN_ERROR return exc_logging_wrapper try: if not options.debug_mode: run = intercepts_unhandled_exc(self.run) else: run = self.run return run(options, args) finally: self.handle_pip_version_check(options)	7.61 KB	2024-10-02 19:13
📄 cmdoptions.py """ 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 import os import textwrap import warnings from functools import partial from optparse import SUPPRESS_HELP, Option, OptionGroup, OptionParser, Values from textwrap import dedent from typing import Any, Callable, Dict, Optional, Tuple from pip._vendor.packaging.utils import canonicalize_name from pip._internal.cli.parser import ConfigOptionParser from pip._internal.cli.progress_bars import BAR_TYPES 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.misc import strtobool def raise_option_error(parser: OptionParser, option: Option, msg: str) -> None: """ Raise an option parsing error using parser.error(). Args: parser: an OptionParser instance. option: an Option instance. msg: the error text. """ msg = f"{option} error: {msg}" msg = textwrap.fill(" ".join(msg.split())) parser.error(msg) def make_option_group(group: Dict[str, Any], parser: 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: Values, check_options: Optional[Values] = None ) -> 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: str) -> Optional[Any]: 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-option " "/ --global-option / --install-option.", stacklevel=2, ) def check_dist_restriction(options: Values, check_target: bool = False) -> 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.platforms, options.abis, 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'" ) def _path_option_check(option: Option, opt: str, value: str) -> str: return os.path.expanduser(value) def _package_name_option_check(option: Option, opt: str, value: str) -> str: return canonicalize_name(value) class PipOption(Option): TYPES = Option.TYPES + ("path", "package_name") TYPE_CHECKER = Option.TYPE_CHECKER.copy() TYPE_CHECKER["package_name"] = _package_name_option_check TYPE_CHECKER["path"] = _path_option_check ########### # options # ########### help_: Callable[..., Option] = partial( Option, "-h", "--help", dest="help", action="help", help="Show help.", ) debug_mode: Callable[..., Option] = partial( Option, "--debug", dest="debug_mode", action="store_true", default=False, help=( "Let unhandled exceptions propagate outside the main subroutine, " "instead of logging them to stderr." ), ) isolated_mode: Callable[..., Option] = partial( Option, "--isolated", dest="isolated_mode", action="store_true", default=False, help=( "Run pip in an isolated mode, ignoring environment variables and user " "configuration." ), ) require_virtualenv: Callable[..., Option] = 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, ) verbose: Callable[..., Option] = 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.", ) no_color: Callable[..., Option] = partial( Option, "--no-color", dest="no_color", action="store_true", default=False, help="Suppress colored output.", ) version: Callable[..., Option] = partial( Option, "-V", "--version", dest="version", action="store_true", help="Show version and exit.", ) quiet: Callable[..., Option] = 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)." ), ) progress_bar: Callable[..., Option] = 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)" ), ) log: Callable[..., Option] = partial( PipOption, "--log", "--log-file", "--local-log", dest="log", metavar="path", type="path", help="Path to a verbose appending log.", ) no_input: Callable[..., Option] = partial( Option, # Don't ask for input "--no-input", dest="no_input", action="store_true", default=False, help="Disable prompting for input.", ) proxy: Callable[..., Option] = partial( Option, "--proxy", dest="proxy", type="str", default="", help="Specify a proxy in the form [user:passwd@]proxy.server:port.", ) retries: Callable[..., Option] = partial( Option, "--retries", dest="retries", type="int", default=5, help="Maximum number of retries each connection should attempt " "(default %default times).", ) timeout: Callable[..., Option] = partial( Option, "--timeout", "--default-timeout", metavar="sec", dest="timeout", type="float", default=15, help="Set the socket timeout (default %default seconds).", ) def exists_action() -> 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: Callable[..., Option] = partial( PipOption, "--cert", dest="cert", type="path", metavar="path", help=( "Path to PEM-encoded CA certificate bundle. " "If provided, overrides the default. " "See 'SSL Certificate Verification' in pip documentation " "for more information." ), ) client_cert: Callable[..., Option] = partial( PipOption, "--client-cert", dest="client_cert", type="path", default=None, metavar="path", help="Path to SSL client certificate, a single file containing the " "private key and the certificate in PEM format.", ) index_url: Callable[..., Option] = 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.", ) def extra_index_url() -> Option: 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: Callable[..., Option] = partial( Option, "--no-index", dest="no_index", action="store_true", default=False, help="Ignore package index (only looking at --find-links URLs instead).", ) def find_links() -> 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 such as sdist (.tar.gz) or wheel (.whl) files. " "If a local path or file:// URL that's a directory, " "then look for archives in the directory listing. " "Links to VCS project URLs are not supported.", ) def trusted_host() -> 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() -> 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() -> 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() -> 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.' ), ) def _handle_src(option: Option, opt_str: str, value: str, parser: OptionParser) -> None: value = os.path.abspath(value) setattr(parser.values, option.dest, value) src: Callable[..., Option] = partial( PipOption, "--src", "--source", "--source-dir", "--source-directory", dest="src_dir", type="path", metavar="dir", default=get_src_prefix(), action="callback", callback=_handle_src, 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".', ) def _get_format_control(values: Values, option: Option) -> Any: """Get a format_control object.""" return getattr(values, option.dest) def _handle_no_binary( option: Option, opt_str: str, value: str, parser: 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: Option, opt_str: str, value: str, parser: OptionParser ) -> None: existing = _get_format_control(parser.values, option) FormatControl.handle_mutual_excludes( value, existing.only_binary, existing.no_binary, ) def no_binary() -> 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 (notice ' "the colons), 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() -> 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.", ) platforms: Callable[..., Option] = partial( Option, "--platform", dest="platforms", metavar="platform", action="append", default=None, help=( "Only use wheels compatible with <platform>. Defaults to the " "platform of the running system. Use this option multiple times to " "specify multiple platforms supported by the target interpreter." ), ) # This was made a separate function for unit-testing purposes. def _convert_python_version(value: 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: Option, opt_str: str, value: str, parser: 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: Callable[..., Option] = 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). """ ), ) implementation: Callable[..., Option] = 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." ), ) abis: Callable[..., Option] = partial( Option, "--abi", dest="abis", metavar="abi", action="append", 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. " "Use this option multiple times to specify multiple abis supported " "by the target interpreter. Generally you will need to specify " "--implementation, --platform, and --python-version when using this " "option." ), ) def add_target_python_options(cmd_opts: OptionGroup) -> None: cmd_opts.add_option(platforms()) cmd_opts.add_option(python_version()) cmd_opts.add_option(implementation()) cmd_opts.add_option(abis()) def make_target_python(options: Values) -> TargetPython: target_python = TargetPython( platforms=options.platforms, py_version_info=options.python_version, abis=options.abis, implementation=options.implementation, ) return target_python def prefer_binary() -> Option: return Option( "--prefer-binary", dest="prefer_binary", action="store_true", default=False, help="Prefer older binary packages over newer source packages.", ) cache_dir: Callable[..., Option] = partial( PipOption, "--cache-dir", dest="cache_dir", default=USER_CACHE_DIR, metavar="dir", type="path", help="Store the cache data in <dir>.", ) def _handle_no_cache_dir( option: Option, opt: str, value: str, parser: 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: Callable[..., Option] = partial( Option, "--no-cache-dir", dest="cache_dir", action="callback", callback=_handle_no_cache_dir, help="Disable the cache.", ) no_deps: Callable[..., Option] = partial( Option, "--no-deps", "--no-dependencies", dest="ignore_dependencies", action="store_true", default=False, help="Don't install package dependencies.", ) ignore_requires_python: Callable[..., Option] = partial( Option, "--ignore-requires-python", dest="ignore_requires_python", action="store_true", help="Ignore the Requires-Python information.", ) no_build_isolation: Callable[..., Option] = 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.", ) def _handle_no_use_pep517( option: Option, opt: str, value: str, parser: 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: Any = 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).", ) no_use_pep517: Any = partial( Option, "--no-use-pep517", dest="use_pep517", action="callback", callback=_handle_no_use_pep517, default=None, help=SUPPRESS_HELP, ) install_options: Callable[..., Option] = 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.", ) build_options: Callable[..., Option] = partial( Option, "--build-option", dest="build_options", metavar="options", action="append", help="Extra arguments to be supplied to 'setup.py bdist_wheel'.", ) global_options: Callable[..., Option] = 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 or bdist_wheel command.", ) no_clean: Callable[..., Option] = partial( Option, "--no-clean", action="store_true", default=False, help="Don't clean up build directories.", ) pre: Callable[..., Option] = partial( Option, "--pre", action="store_true", default=False, help="Include pre-release and development versions. By default, " "pip only finds stable versions.", ) disable_pip_version_check: Callable[..., Option] = 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.", ) def _handle_merge_hash( option: Option, opt_str: str, value: str, parser: 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 {} must be a hash name " # noqa "followed by a value, like --hash=sha256:" "abcde...".format(opt_str) ) if algo not in STRONG_HASHES: parser.error( "Allowed hash algorithms for {} are {}.".format( # noqa opt_str, ", ".join(STRONG_HASHES) ) ) parser.values.hashes.setdefault(algo, []).append(digest) hash: Callable[..., Option] = 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...", ) require_hashes: Callable[..., Option] = 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.", ) list_path: Callable[..., Option] = partial( PipOption, "--path", dest="path", type="path", action="append", help="Restrict to the specified installation path for listing " "packages (can be used multiple times).", ) def check_list_path_option(options: Values) -> None: if options.path and (options.user or options.local): raise CommandError("Cannot combine '--path' with '--user' or '--local'") list_exclude: Callable[..., Option] = partial( PipOption, "--exclude", dest="excludes", action="append", metavar="package", type="package_name", help="Exclude specified package from the output", ) no_python_version_warning: Callable[..., Option] = partial( Option, "--no-python-version-warning", dest="no_python_version_warning", action="store_true", default=False, help="Silence deprecation warnings for upcoming unsupported Pythons.", ) use_new_feature: Callable[..., Option] = partial( Option, "--use-feature", dest="features_enabled", metavar="feature", action="append", default=[], choices=["2020-resolver", "fast-deps", "in-tree-build"], help="Enable new functionality, that may be backward incompatible.", ) use_deprecated_feature: Callable[..., Option] = partial( Option, "--use-deprecated", dest="deprecated_features_enabled", metavar="feature", action="append", default=[], choices=["legacy-resolver", "out-of-tree-build"], help=("Enable deprecated functionality, that will be removed in the future."), ) ########## # groups # ########## general_group: Dict[str, Any] = { "name": "General Options", "options": [ help_, debug_mode, isolated_mode, require_virtualenv, verbose, version, quiet, log, no_input, proxy, retries, timeout, exists_action, trusted_host, cert, client_cert, cache_dir, no_cache, disable_pip_version_check, no_color, no_python_version_warning, use_new_feature, use_deprecated_feature, ], } index_group: Dict[str, Any] = { "name": "Package Index Options", "options": [ index_url, extra_index_url, no_index, find_links, ], }	27.73 KB	2024-10-02 19:13
📄 command_context.py from contextlib import ExitStack, contextmanager from typing import ContextManager, Iterator, TypeVar _T = TypeVar("_T", covariant=True) class CommandContextMixIn: def __init__(self) -> None: super().__init__() self._in_main_context = False self._main_context = ExitStack() @contextmanager def main_context(self) -> Iterator[None]: assert not self._in_main_context self._in_main_context = True try: with self._main_context: yield finally: self._in_main_context = False def enter_context(self, context_provider: ContextManager[_T]) -> _T: assert self._in_main_context return self._main_context.enter_context(context_provider)	760 B	2024-10-02 19:13
📄 main.py """Primary application entrypoint. """ import locale import logging import os import sys from typing import List, Optional from pip._internal.cli.autocompletion import autocomplete from pip._internal.cli.main_parser import parse_command from pip._internal.commands import create_command from pip._internal.exceptions import PipError from pip._internal.utils import deprecation logger = logging.getLogger(__name__) # Do not import and use main() directly! Using it directly is actively # discouraged by pip's maintainers. The name, location and behavior of # this function is subject to change, so calling it directly is not # portable across different pip versions. # In addition, running pip in-process is unsupported and unsafe. This is # elaborated in detail at # https://pip.pypa.io/en/stable/user_guide/#using-pip-from-your-program. # That document also provides suggestions that should work for nearly # all users that are considering importing and using main() directly. # However, we know that certain users will still want to invoke pip # in-process. If you understand and accept the implications of using pip # in an unsupported manner, the best approach is to use runpy to avoid # depending on the exact location of this entry point. # The following example shows how to use runpy to invoke pip in that # case: # # sys.argv = ["pip", your, args, here] # runpy.run_module("pip", run_name="__main__") # # Note that this will exit the process after running, unlike a direct # call to main. As it is not safe to do any processing after calling # main, this should not be an issue in practice. def main(args: Optional[List[str]] = None) -> int: if args is None: args = sys.argv[1:] # Configure our deprecation warnings to be sent through loggers deprecation.install_warning_logger() autocomplete() try: cmd_name, cmd_args = parse_command(args) except PipError as exc: sys.stderr.write(f"ERROR: {exc}") sys.stderr.write(os.linesep) sys.exit(1) # Needed for locale.getpreferredencoding(False) to work # in pip._internal.utils.encoding.auto_decode try: locale.setlocale(locale.LC_ALL, "") except locale.Error as e: # setlocale can apparently crash if locale are uninitialized logger.debug("Ignoring error %s when setting locale", e) command = create_command(cmd_name, isolated=("--isolated" in cmd_args)) return command.main(cmd_args)	2.41 KB	2024-10-02 19:13
📄 main_parser.py """A single place for constructing and exposing the main parser """ import os import sys from typing import List, Tuple from pip._internal.cli import cmdoptions from pip._internal.cli.parser import ConfigOptionParser, UpdatingDefaultsHelpFormatter from pip._internal.commands import commands_dict, get_similar_commands from pip._internal.exceptions import CommandError from pip._internal.utils.misc import get_pip_version, get_prog __all__ = ["create_main_parser", "parse_command"] def create_main_parser() -> ConfigOptionParser: """Creates and returns the main parser for pip's CLI""" parser = ConfigOptionParser( usage="\n%prog <command> [options]", add_help_option=False, formatter=UpdatingDefaultsHelpFormatter(), name="global", prog=get_prog(), ) parser.disable_interspersed_args() parser.version = get_pip_version() # add the general options gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser) parser.add_option_group(gen_opts) # so the help formatter knows parser.main = True # type: ignore # create command listing for description description = [""] + [ f"{name:27} {command_info.summary}" for name, command_info in commands_dict.items() ] parser.description = "\n".join(description) return parser def parse_command(args: List[str]) -> Tuple[str, List[str]]: parser = create_main_parser() # Note: parser calls disable_interspersed_args(), so the result of this # call is to split the initial args into the general options before the # subcommand and everything else. # For example: # args: ['--timeout=5', 'install', '--user', 'INITools'] # general_options: ['--timeout==5'] # args_else: ['install', '--user', 'INITools'] general_options, args_else = parser.parse_args(args) # --version if general_options.version: sys.stdout.write(parser.version) sys.stdout.write(os.linesep) sys.exit() # pip \|\| pip help -> print_help() if not args_else or (args_else[0] == "help" and len(args_else) == 1): parser.print_help() sys.exit() # the subcommand name cmd_name = args_else[0] if cmd_name not in commands_dict: guess = get_similar_commands(cmd_name) msg = [f'unknown command "{cmd_name}"'] if guess: msg.append(f'maybe you meant "{guess}"') raise CommandError(" - ".join(msg)) # all the args without the subcommand cmd_args = args[:] cmd_args.remove(cmd_name) return cmd_name, cmd_args	2.55 KB	2024-10-02 19:13
📄 parser.py """Base option parser setup""" import logging import optparse import shutil import sys import textwrap from contextlib import suppress from typing import Any, Dict, Iterator, List, Tuple from pip._internal.cli.status_codes import UNKNOWN_ERROR from pip._internal.configuration import Configuration, ConfigurationError from pip._internal.utils.misc import redact_auth_from_url, strtobool logger = logging.getLogger(__name__) class PrettyHelpFormatter(optparse.IndentedHelpFormatter): """A prettier/less verbose help formatter for optparse.""" def __init__(self, args: Any, kwargs: Any) -> None: # help position must be aligned with __init__.parseopts.description kwargs["max_help_position"] = 30 kwargs["indent_increment"] = 1 kwargs["width"] = shutil.get_terminal_size()[0] - 2 super().__init__(args, *kwargs) def format_option_strings(self, option: optparse.Option) -> str: return self._format_option_strings(option) def _format_option_strings( self, option: optparse.Option, mvarfmt: str = " <{}>", optsep: str = ", " ) -> str: """ Return a comma-separated list of option strings and metavars. :param option: tuple of (short opt, long opt), e.g: ('-f', '--format') :param mvarfmt: metavar format string :param optsep: separator """ opts = [] if option._short_opts: opts.append(option._short_opts[0]) if option._long_opts: opts.append(option._long_opts[0]) if len(opts) > 1: opts.insert(1, optsep) if option.takes_value(): assert option.dest is not None metavar = option.metavar or option.dest.lower() opts.append(mvarfmt.format(metavar.lower())) return "".join(opts) def format_heading(self, heading: str) -> str: if heading == "Options": return "" return heading + ":\n" def format_usage(self, usage: str) -> str: """ Ensure there is only one newline between usage and the first heading if there is no description. """ msg = "\nUsage: {}\n".format(self.indent_lines(textwrap.dedent(usage), " ")) return msg def format_description(self, description: str) -> str: # leave full control over description to us if description: if hasattr(self.parser, "main"): label = "Commands" else: label = "Description" # some doc strings have initial newlines, some don't description = description.lstrip("\n") # some doc strings have final newlines and spaces, some don't description = description.rstrip() # dedent, then reindent description = self.indent_lines(textwrap.dedent(description), " ") description = f"{label}:\n{description}\n" return description else: return "" def format_epilog(self, epilog: str) -> str: # leave full control over epilog to us if epilog: return epilog else: return "" def indent_lines(self, text: str, indent: str) -> str: new_lines = [indent + line for line in text.split("\n")] return "\n".join(new_lines) class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter): """Custom help formatter for use in ConfigOptionParser. This is updates the defaults before expanding them, allowing them to show up correctly in the help listing. Also redact auth from url type options """ def expand_default(self, option: optparse.Option) -> str: default_values = None if self.parser is not None: assert isinstance(self.parser, ConfigOptionParser) self.parser._update_defaults(self.parser.defaults) assert option.dest is not None default_values = self.parser.defaults.get(option.dest) help_text = super().expand_default(option) if default_values and option.metavar == "URL": if isinstance(default_values, str): default_values = [default_values] # If its not a list, we should abort and just return the help text if not isinstance(default_values, list): default_values = [] for val in default_values: help_text = help_text.replace(val, redact_auth_from_url(val)) return help_text class CustomOptionParser(optparse.OptionParser): def insert_option_group( self, idx: int, args: Any, *kwargs: Any ) -> optparse.OptionGroup: """Insert an OptionGroup at a given position.""" group = self.add_option_group(args, *kwargs) self.option_groups.pop() self.option_groups.insert(idx, group) return group @property def option_list_all(self) -> List[optparse.Option]: """Get a list of all options, including those in option groups.""" res = self.option_list[:] for i in self.option_groups: res.extend(i.option_list) return res class ConfigOptionParser(CustomOptionParser): """Custom option parser which updates its defaults by checking the configuration files and environmental variables""" def __init__( self, args: Any, name: str, isolated: bool = False, *kwargs: Any, ) -> None: self.name = name self.config = Configuration(isolated) assert self.name super().__init__(args, *kwargs) def check_default(self, option: optparse.Option, key: str, val: Any) -> Any: try: return option.check_value(key, val) except optparse.OptionValueError as exc: print(f"An error occurred during configuration: {exc}") sys.exit(3) def _get_ordered_configuration_items(self) -> Iterator[Tuple[str, Any]]: # Configuration gives keys in an unordered manner. Order them. override_order = ["global", self.name, ":env:"] # Pool the options into different groups section_items: Dict[str, List[Tuple[str, Any]]] = { name: [] for name in override_order } for section_key, val in self.config.items(): # ignore empty values if not val: logger.debug( "Ignoring configuration key '%s' as it's value is empty.", section_key, ) continue section, key = section_key.split(".", 1) if section in override_order: section_items[section].append((key, val)) # Yield each group in their override order for section in override_order: for key, val in section_items[section]: yield key, val def _update_defaults(self, defaults: Dict[str, Any]) -> Dict[str, Any]: """Updates the given defaults with values from the config files and the environ. Does a little special handling for certain types of options (lists).""" # Accumulate complex default state. self.values = optparse.Values(self.defaults) late_eval = set() # Then set the options with those values for key, val in self._get_ordered_configuration_items(): # '--' because configuration supports only long names option = self.get_option("--" + key) # Ignore options not present in this parser. E.g. non-globals put # in [global] by users that want them to apply to all applicable # commands. if option is None: continue assert option.dest is not None if option.action in ("store_true", "store_false"): try: val = strtobool(val) except ValueError: self.error( "{} is not a valid value for {} option, " # noqa "please specify a boolean value like yes/no, " "true/false or 1/0 instead.".format(val, key) ) elif option.action == "count": with suppress(ValueError): val = strtobool(val) with suppress(ValueError): val = int(val) if not isinstance(val, int) or val < 0: self.error( "{} is not a valid value for {} option, " # noqa "please instead specify either a non-negative integer " "or a boolean value like yes/no or false/true " "which is equivalent to 1/0.".format(val, key) ) elif option.action == "append": val = val.split() val = [self.check_default(option, key, v) for v in val] elif option.action == "callback": assert option.callback is not None late_eval.add(option.dest) opt_str = option.get_opt_string() val = option.convert_value(opt_str, val) # From take_action args = option.callback_args or () kwargs = option.callback_kwargs or {} option.callback(option, opt_str, val, self, args, **kwargs) else: val = self.check_default(option, key, val) defaults[option.dest] = val for key in late_eval: defaults[key] = getattr(self.values, key) self.values = None return defaults def get_default_values(self) -> optparse.Values: """Overriding to make updating the defaults after instantiation of the option parser possible, _update_defaults() does the dirty work.""" if not self.process_default_values: # Old, pre-Optik 1.5 behaviour. return optparse.Values(self.defaults) # Load the configuration, or error out in case of an error try: self.config.load() except ConfigurationError as err: self.exit(UNKNOWN_ERROR, str(err)) defaults = self._update_defaults(self.defaults.copy()) # ours for option in self._get_all_options(): assert option.dest is not None default = defaults.get(option.dest) if isinstance(default, str): opt_str = option.get_opt_string() defaults[option.dest] = option.check_value(opt_str, default) return optparse.Values(defaults) def error(self, msg: str) -> None: self.print_usage(sys.stderr) self.exit(UNKNOWN_ERROR, f"{msg}\n")	10.54 KB	2024-10-02 19:13
📄 progress_bars.py import itertools import sys from signal import SIGINT, default_int_handler, signal from typing import Any from pip._vendor.progress.bar import Bar, FillingCirclesBar, IncrementalBar from pip._vendor.progress.spinner import Spinner from pip._internal.utils.compat import WINDOWS from pip._internal.utils.logging import get_indentation from pip._internal.utils.misc import format_size try: from pip._vendor import colorama # Lots of different errors can come from this, including SystemError and # ImportError. except Exception: colorama = None def _select_progress_class(preferred: Bar, fallback: Bar) -> Bar: encoding = getattr(preferred.file, "encoding", None) # If we don't know what encoding this file is in, then we'll just assume # that it doesn't support unicode and use the ASCII bar. if not encoding: return fallback # Collect all of the possible characters we want to use with the preferred # bar. characters = [ getattr(preferred, "empty_fill", ""), getattr(preferred, "fill", ""), ] characters += list(getattr(preferred, "phases", [])) # Try to decode the characters we're using for the bar using the encoding # of the given file, if this works then we'll assume that we can use the # fancier bar and if not we'll fall back to the plaintext bar. try: "".join(characters).encode(encoding) except UnicodeEncodeError: return fallback else: return preferred _BaseBar: Any = _select_progress_class(IncrementalBar, Bar) class InterruptibleMixin: """ Helper to ensure that self.finish() gets called on keyboard interrupt. This allows downloads to be interrupted without leaving temporary state (like hidden cursors) behind. This class is similar to the progress library's existing SigIntMixin helper, but as of version 1.2, that helper has the following problems: 1. It calls sys.exit(). 2. It discards the existing SIGINT handler completely. 3. It leaves its own handler in place even after an uninterrupted finish, which will have unexpected delayed effects if the user triggers an unrelated keyboard interrupt some time after a progress-displaying download has already completed, for example. """ def __init__(self, args: Any, kwargs: Any) -> None: """ Save the original SIGINT handler for later. """ # https://github.com/python/mypy/issues/5887 super().__init__(args, *kwargs) # type: ignore self.original_handler = signal(SIGINT, self.handle_sigint) # If signal() returns None, the previous handler was not installed from # Python, and we cannot restore it. This probably should not happen, # but if it does, we must restore something sensible instead, at least. # The least bad option should be Python's default SIGINT handler, which # just raises KeyboardInterrupt. if self.original_handler is None: self.original_handler = default_int_handler def finish(self) -> None: """ Restore the original SIGINT handler after finishing. This should happen regardless of whether the progress display finishes normally, or gets interrupted. """ super().finish() # type: ignore signal(SIGINT, self.original_handler) def handle_sigint(self, signum, frame): # type: ignore """ Call self.finish() before delegating to the original SIGINT handler. This handler should only be in place while the progress display is active. """ self.finish() self.original_handler(signum, frame) class SilentBar(Bar): def update(self) -> None: pass class BlueEmojiBar(IncrementalBar): suffix = "%(percent)d%%" bar_prefix = " " bar_suffix = " " phases = ("\U0001F539", "\U0001F537", "\U0001F535") class DownloadProgressMixin: def __init__(self, args: Any, *kwargs: Any) -> None: # https://github.com/python/mypy/issues/5887 super().__init__(args, *kwargs) # type: ignore self.message: str = (" " (get_indentation() + 2)) + self.message @property def downloaded(self) -> str: return format_size(self.index) # type: ignore @property def download_speed(self) -> str: # Avoid zero division errors... if self.avg == 0.0: # type: ignore return "..." return format_size(1 / self.avg) + "/s" # type: ignore @property def pretty_eta(self) -> str: if self.eta: # type: ignore return f"eta {self.eta_td}" # type: ignore return "" def iter(self, it): # type: ignore for x in it: yield x # B305 is incorrectly raised here # https://github.com/PyCQA/flake8-bugbear/issues/59 self.next(len(x)) # noqa: B305 self.finish() class WindowsMixin: def __init__(self, args: Any, kwargs: Any) -> None: # The Windows terminal does not support the hide/show cursor ANSI codes # even with colorama. So we'll ensure that hide_cursor is False on # Windows. # This call needs to go before the super() call, so that hide_cursor # is set in time. The base progress bar class writes the "hide cursor" # code to the terminal in its init, so if we don't set this soon # enough, we get a "hide" with no corresponding "show"... if WINDOWS and self.hide_cursor: # type: ignore self.hide_cursor = False # https://github.com/python/mypy/issues/5887 super().__init__(args, **kwargs) # type: ignore # Check if we are running on Windows and we have the colorama module, # if we do then wrap our file with it. if WINDOWS and colorama: self.file = colorama.AnsiToWin32(self.file) # type: ignore # The progress code expects to be able to call self.file.isatty() # but the colorama.AnsiToWin32() object doesn't have that, so we'll # add it. self.file.isatty = lambda: self.file.wrapped.isatty() # The progress code expects to be able to call self.file.flush() # but the colorama.AnsiToWin32() object doesn't have that, so we'll # add it. self.file.flush = lambda: self.file.wrapped.flush() class BaseDownloadProgressBar(WindowsMixin, InterruptibleMixin, DownloadProgressMixin): file = sys.stdout message = "%(percent)d%%" suffix = "%(downloaded)s %(download_speed)s %(pretty_eta)s" class DefaultDownloadProgressBar(BaseDownloadProgressBar, _BaseBar): pass class DownloadSilentBar(BaseDownloadProgressBar, SilentBar): pass class DownloadBar(BaseDownloadProgressBar, Bar): pass class DownloadFillingCirclesBar(BaseDownloadProgressBar, FillingCirclesBar): pass class DownloadBlueEmojiProgressBar(BaseDownloadProgressBar, BlueEmojiBar): pass class DownloadProgressSpinner( WindowsMixin, InterruptibleMixin, DownloadProgressMixin, Spinner ): file = sys.stdout suffix = "%(downloaded)s %(download_speed)s" def next_phase(self) -> str: if not hasattr(self, "_phaser"): self._phaser = itertools.cycle(self.phases) return next(self._phaser) def update(self) -> None: message = self.message % self phase = self.next_phase() suffix = self.suffix % self line = "".join( [ message, " " if message else "", phase, " " if suffix else "", suffix, ] ) self.writeln(line) BAR_TYPES = { "off": (DownloadSilentBar, DownloadSilentBar), "on": (DefaultDownloadProgressBar, DownloadProgressSpinner), "ascii": (DownloadBar, DownloadProgressSpinner), "pretty": (DownloadFillingCirclesBar, DownloadProgressSpinner), "emoji": (DownloadBlueEmojiProgressBar, DownloadProgressSpinner), } def DownloadProgressProvider(progress_bar, max=None): # type: ignore if max is None or max == 0: return BAR_TYPES[progress_bar][1]().iter else: return BAR_TYPES[progress_bar][0](max=max).iter	8.11 KB	2024-10-02 19:13
📄 req_command.py """Contains the Command base classes that depend on PipSession. The classes in this module are in a separate module so the commands not needing download / PackageFinder capability don't unnecessarily import the PackageFinder machinery and all its vendored dependencies, etc. """ import logging import os import sys from functools import partial from optparse import Values from typing import Any, List, Optional, Tuple from pip._internal.cache import WheelCache from pip._internal.cli import cmdoptions from pip._internal.cli.base_command import Command from pip._internal.cli.command_context import CommandContextMixIn from pip._internal.exceptions import CommandError, PreviousBuildDirError from pip._internal.index.collector import LinkCollector from pip._internal.index.package_finder import PackageFinder from pip._internal.models.selection_prefs import SelectionPreferences from pip._internal.models.target_python import TargetPython from pip._internal.network.session import PipSession from pip._internal.operations.prepare import RequirementPreparer from pip._internal.req.constructors import ( install_req_from_editable, install_req_from_line, install_req_from_parsed_requirement, install_req_from_req_string, ) from pip._internal.req.req_file import parse_requirements from pip._internal.req.req_install import InstallRequirement from pip._internal.req.req_tracker import RequirementTracker from pip._internal.resolution.base import BaseResolver from pip._internal.self_outdated_check import pip_self_version_check from pip._internal.utils.deprecation import deprecated from pip._internal.utils.temp_dir import ( TempDirectory, TempDirectoryTypeRegistry, tempdir_kinds, ) from pip._internal.utils.virtualenv import running_under_virtualenv logger = logging.getLogger(__name__) class SessionCommandMixin(CommandContextMixIn): """ A class mixin for command classes needing _build_session(). """ def __init__(self) -> None: super().__init__() self._session: Optional[PipSession] = None @classmethod def _get_index_urls(cls, options: Values) -> Optional[List[str]]: """Return a list of index urls from user-provided options.""" index_urls = [] if not getattr(options, "no_index", False): url = getattr(options, "index_url", None) if url: index_urls.append(url) urls = getattr(options, "extra_index_urls", None) if urls: index_urls.extend(urls) # Return None rather than an empty list return index_urls or None def get_default_session(self, options: Values) -> PipSession: """Get a default-managed session.""" if self._session is None: self._session = self.enter_context(self._build_session(options)) # there's no type annotation on requests.Session, so it's # automatically ContextManager[Any] and self._session becomes Any, # then https://github.com/python/mypy/issues/7696 kicks in assert self._session is not None return self._session def _build_session( self, options: Values, retries: Optional[int] = None, timeout: Optional[int] = None, ) -> PipSession: assert not options.cache_dir or os.path.isabs(options.cache_dir) session = PipSession( cache=( os.path.join(options.cache_dir, "http") if options.cache_dir else None ), retries=retries if retries is not None else options.retries, trusted_hosts=options.trusted_hosts, index_urls=self._get_index_urls(options), ) # Handle custom ca-bundles from the user if options.cert: session.verify = options.cert # Handle SSL client certificate if options.client_cert: session.cert = options.client_cert # Handle timeouts if options.timeout or timeout: session.timeout = timeout if timeout is not None else options.timeout # Handle configured proxies if options.proxy: session.proxies = { "http": options.proxy, "https": options.proxy, } # Determine if we can prompt the user for authentication or not session.auth.prompting = not options.no_input return session class IndexGroupCommand(Command, SessionCommandMixin): """ Abstract base class for commands with the index_group options. This also corresponds to the commands that permit the pip version check. """ def handle_pip_version_check(self, options: Values) -> None: """ Do the pip version check if not disabled. This overrides the default behavior of not doing the check. """ # Make sure the index_group options are present. assert hasattr(options, "no_index") if options.disable_pip_version_check or options.no_index: return # Otherwise, check if we're using the latest version of pip available. session = self._build_session( options, retries=0, timeout=min(5, options.timeout) ) with session: pip_self_version_check(session, options) KEEPABLE_TEMPDIR_TYPES = [ tempdir_kinds.BUILD_ENV, tempdir_kinds.EPHEM_WHEEL_CACHE, tempdir_kinds.REQ_BUILD, ] def warn_if_run_as_root() -> None: """Output a warning for sudo users on Unix. In a virtual environment, sudo pip still writes to virtualenv. On Windows, users may run pip as Administrator without issues. This warning only applies to Unix root users outside of virtualenv. """ if running_under_virtualenv(): return if not hasattr(os, "getuid"): return # On Windows, there are no "system managed" Python packages. Installing as # Administrator via pip is the correct way of updating system environments. # # We choose sys.platform over utils.compat.WINDOWS here to enable Mypy platform # checks: https://mypy.readthedocs.io/en/stable/common_issues.html if sys.platform == "win32" or sys.platform == "cygwin": return if os.getuid() != 0: return logger.warning( "Running pip as the 'root' user can result in broken permissions and " "conflicting behaviour with the system package manager. " "It is recommended to use a virtual environment instead: " "https://pip.pypa.io/warnings/venv" ) def with_cleanup(func: Any) -> Any: """Decorator for common logic related to managing temporary directories. """ def configure_tempdir_registry(registry: TempDirectoryTypeRegistry) -> None: for t in KEEPABLE_TEMPDIR_TYPES: registry.set_delete(t, False) def wrapper( self: RequirementCommand, options: Values, args: List[Any] ) -> Optional[int]: assert self.tempdir_registry is not None if options.no_clean: configure_tempdir_registry(self.tempdir_registry) try: return func(self, options, args) except PreviousBuildDirError: # This kind of conflict can occur when the user passes an explicit # build directory with a pre-existing folder. In that case we do # not want to accidentally remove it. configure_tempdir_registry(self.tempdir_registry) raise return wrapper class RequirementCommand(IndexGroupCommand): def __init__(self, args: Any, kw: Any) -> None: super().__init__(args, kw) self.cmd_opts.add_option(cmdoptions.no_clean()) @staticmethod def determine_resolver_variant(options: Values) -> str: """Determines which resolver should be used, based on the given options.""" if "legacy-resolver" in options.deprecated_features_enabled: return "legacy" return "2020-resolver" @classmethod def make_requirement_preparer( cls, temp_build_dir: TempDirectory, options: Values, req_tracker: RequirementTracker, session: PipSession, finder: PackageFinder, use_user_site: bool, download_dir: Optional[str] = None, ) -> RequirementPreparer: """ Create a RequirementPreparer instance for the given parameters. """ temp_build_dir_path = temp_build_dir.path assert temp_build_dir_path is not None resolver_variant = cls.determine_resolver_variant(options) if resolver_variant == "2020-resolver": lazy_wheel = "fast-deps" in options.features_enabled if lazy_wheel: logger.warning( "pip is using lazily downloaded wheels using HTTP " "range requests to obtain dependency information. " "This experimental feature is enabled through " "--use-feature=fast-deps and it is not ready for " "production." ) else: lazy_wheel = False if "fast-deps" in options.features_enabled: logger.warning( "fast-deps has no effect when used with the legacy resolver." ) in_tree_build = "out-of-tree-build" not in options.deprecated_features_enabled if "in-tree-build" in options.features_enabled: deprecated( reason="In-tree builds are now the default.", replacement="to remove the --use-feature=in-tree-build flag", gone_in="22.1", ) if "out-of-tree-build" in options.deprecated_features_enabled: deprecated( reason="Out-of-tree builds are deprecated.", replacement=None, gone_in="22.1", ) return RequirementPreparer( build_dir=temp_build_dir_path, src_dir=options.src_dir, download_dir=download_dir, build_isolation=options.build_isolation, req_tracker=req_tracker, session=session, progress_bar=options.progress_bar, finder=finder, require_hashes=options.require_hashes, use_user_site=use_user_site, lazy_wheel=lazy_wheel, in_tree_build=in_tree_build, ) @classmethod def make_resolver( cls, preparer: RequirementPreparer, finder: PackageFinder, options: Values, wheel_cache: Optional[WheelCache] = None, use_user_site: bool = False, ignore_installed: bool = True, ignore_requires_python: bool = False, force_reinstall: bool = False, upgrade_strategy: str = "to-satisfy-only", use_pep517: Optional[bool] = None, py_version_info: Optional[Tuple[int, ...]] = None, ) -> BaseResolver: """ Create a Resolver instance for the given parameters. """ make_install_req = partial( install_req_from_req_string, isolated=options.isolated_mode, use_pep517=use_pep517, ) resolver_variant = cls.determine_resolver_variant(options) # The long import name and duplicated invocation is needed to convince # Mypy into correctly typechecking. Otherwise it would complain the # "Resolver" class being redefined. if resolver_variant == "2020-resolver": import pip._internal.resolution.resolvelib.resolver return pip._internal.resolution.resolvelib.resolver.Resolver( preparer=preparer, finder=finder, wheel_cache=wheel_cache, make_install_req=make_install_req, use_user_site=use_user_site, ignore_dependencies=options.ignore_dependencies, ignore_installed=ignore_installed, ignore_requires_python=ignore_requires_python, force_reinstall=force_reinstall, upgrade_strategy=upgrade_strategy, py_version_info=py_version_info, ) import pip._internal.resolution.legacy.resolver return pip._internal.resolution.legacy.resolver.Resolver( preparer=preparer, finder=finder, wheel_cache=wheel_cache, make_install_req=make_install_req, use_user_site=use_user_site, ignore_dependencies=options.ignore_dependencies, ignore_installed=ignore_installed, ignore_requires_python=ignore_requires_python, force_reinstall=force_reinstall, upgrade_strategy=upgrade_strategy, py_version_info=py_version_info, ) def get_requirements( self, args: List[str], options: Values, finder: PackageFinder, session: PipSession, ) -> List[InstallRequirement]: """ Parse command-line arguments into the corresponding requirements. """ requirements: List[InstallRequirement] = [] for filename in options.constraints: for parsed_req in parse_requirements( filename, constraint=True, finder=finder, options=options, session=session, ): req_to_add = install_req_from_parsed_requirement( parsed_req, isolated=options.isolated_mode, user_supplied=False, ) requirements.append(req_to_add) for req in args: req_to_add = install_req_from_line( req, None, isolated=options.isolated_mode, use_pep517=options.use_pep517, user_supplied=True, ) requirements.append(req_to_add) for req in options.editables: req_to_add = install_req_from_editable( req, user_supplied=True, isolated=options.isolated_mode, use_pep517=options.use_pep517, ) requirements.append(req_to_add) # NOTE: options.require_hashes may be set if --require-hashes is True for filename in options.requirements: for parsed_req in parse_requirements( filename, finder=finder, options=options, session=session ): req_to_add = install_req_from_parsed_requirement( parsed_req, isolated=options.isolated_mode, use_pep517=options.use_pep517, user_supplied=True, ) requirements.append(req_to_add) # If any requirement has hash options, enable hash checking. if any(req.has_hash_options for req in requirements): options.require_hashes = True if not (args or options.editables or options.requirements): opts = {"name": self.name} if options.find_links: raise CommandError( "You must give at least one requirement to {name} " '(maybe you meant "pip {name} {links}"?)'.format( dict(opts, links=" ".join(options.find_links)) ) ) else: raise CommandError( "You must give at least one requirement to {name} " '(see "pip help {name}")'.format(**opts) ) return requirements @staticmethod def trace_basic_info(finder: PackageFinder) -> None: """ Trace basic information about the provided objects. """ # Display where finder is looking for packages search_scope = finder.search_scope locations = search_scope.get_formatted_locations() if locations: logger.info(locations) def _build_package_finder( self, options: Values, session: PipSession, target_python: Optional[TargetPython] = None, ignore_requires_python: Optional[bool] = None, ) -> PackageFinder: """ Create a package finder appropriate to this requirement command. :param ignore_requires_python: Whether to ignore incompatible "Requires-Python" values in links. Defaults to False. """ link_collector = LinkCollector.create(session, options=options) selection_prefs = SelectionPreferences( allow_yanked=True, format_control=options.format_control, allow_all_prereleases=options.pre, prefer_binary=options.prefer_binary, ignore_requires_python=ignore_requires_python, ) return PackageFinder.create( link_collector=link_collector, selection_prefs=selection_prefs, target_python=target_python, )	16.7 KB	2024-10-02 19:13
📄 spinners.py import contextlib import itertools import logging import sys import time from typing import IO, Iterator from pip._vendor.progress import HIDE_CURSOR, SHOW_CURSOR from pip._internal.utils.compat import WINDOWS from pip._internal.utils.logging import get_indentation logger = logging.getLogger(__name__) class SpinnerInterface: def spin(self) -> None: raise NotImplementedError() def finish(self, final_status: str) -> None: raise NotImplementedError() class InteractiveSpinner(SpinnerInterface): def __init__( self, message: str, file: IO[str] = None, spin_chars: str = "-\\\|/", # Empirically, 8 updates/second looks nice min_update_interval_seconds: float = 0.125, ): self._message = message if file is None: file = sys.stdout self._file = file self._rate_limiter = RateLimiter(min_update_interval_seconds) self._finished = False self._spin_cycle = itertools.cycle(spin_chars) self._file.write(" " * get_indentation() + self._message + " ... ") self._width = 0 def _write(self, status: str) -> None: assert not self._finished # Erase what we wrote before by backspacing to the beginning, writing # spaces to overwrite the old text, and then backspacing again backup = "\b" * self._width self._file.write(backup + " " * self._width + backup) # Now we have a blank slate to add our status self._file.write(status) self._width = len(status) self._file.flush() self._rate_limiter.reset() def spin(self) -> None: if self._finished: return if not self._rate_limiter.ready(): return self._write(next(self._spin_cycle)) def finish(self, final_status: str) -> None: if self._finished: return self._write(final_status) self._file.write("\n") self._file.flush() self._finished = True # Used for dumb terminals, non-interactive installs (no tty), etc. # We still print updates occasionally (once every 60 seconds by default) to # act as a keep-alive for systems like Travis-CI that take lack-of-output as # an indication that a task has frozen. class NonInteractiveSpinner(SpinnerInterface): def __init__(self, message: str, min_update_interval_seconds: float = 60.0) -> None: self._message = message self._finished = False self._rate_limiter = RateLimiter(min_update_interval_seconds) self._update("started") def _update(self, status: str) -> None: assert not self._finished self._rate_limiter.reset() logger.info("%s: %s", self._message, status) def spin(self) -> None: if self._finished: return if not self._rate_limiter.ready(): return self._update("still running...") def finish(self, final_status: str) -> None: if self._finished: return self._update(f"finished with status '{final_status}'") self._finished = True class RateLimiter: def __init__(self, min_update_interval_seconds: float) -> None: self._min_update_interval_seconds = min_update_interval_seconds self._last_update: float = 0 def ready(self) -> bool: now = time.time() delta = now - self._last_update return delta >= self._min_update_interval_seconds def reset(self) -> None: self._last_update = time.time() @contextlib.contextmanager def open_spinner(message: str) -> Iterator[SpinnerInterface]: # Interactive spinner goes directly to sys.stdout rather than being routed # through the logging system, but it acts like it has level INFO, # i.e. it's only displayed if we're at level INFO or better. # Non-interactive spinner goes through the logging system, so it is always # in sync with logging configuration. if sys.stdout.isatty() and logger.getEffectiveLevel() <= logging.INFO: spinner: SpinnerInterface = InteractiveSpinner(message) else: spinner = NonInteractiveSpinner(message) try: with hidden_cursor(sys.stdout): yield spinner except KeyboardInterrupt: spinner.finish("canceled") raise except Exception: spinner.finish("error") raise else: spinner.finish("done") @contextlib.contextmanager def hidden_cursor(file: IO[str]) -> Iterator[None]: # The Windows terminal does not support the hide/show cursor ANSI codes, # even via colorama. So don't even try. if WINDOWS: yield # We don't want to clutter the output with control characters if we're # writing to a file, or if the user is running with --quiet. # See https://github.com/pypa/pip/issues/3418 elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO: yield else: file.write(HIDE_CURSOR) try: yield finally: file.write(SHOW_CURSOR)	4.96 KB	2024-10-02 19:13
📄 status_codes.py SUCCESS = 0 ERROR = 1 UNKNOWN_ERROR = 2 VIRTUALENV_NOT_FOUND = 3 PREVIOUS_BUILD_DIR_ERROR = 4 NO_MATCHES_FOUND = 23	116 B	2024-10-02 19:13

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