Загрузить файлы в «venv/Lib/site-packages/pip/_internal/cli»

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"""Subpackage containing all of pip's command line interface related code"""
# This file intentionally does not import submodules

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"""Logic that powers autocompletion installed by ``pip completion``."""
from __future__ import annotations
import optparse
import os
import sys
from collections.abc import Iterable
from itertools import chain
from typing import Any
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
# Don't complete if autocompletion environment variables
# are not present
if not os.environ.get("COMP_WORDS") or not os.environ.get("COMP_CWORD"):
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: str | None = 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)
should_list_installables = (
not current.startswith("-") and subcommand_name == "install"
)
if should_list_installables:
for path in auto_complete_paths(current, "path"):
print(path)
sys.exit(1)
subcommand = create_command(subcommand_name)
for opt in subcommand.parser.option_list_all:
if opt.help != optparse.SUPPRESS_HELP:
options += [
(opt_str, opt.nargs) for opt_str in opt._long_opts + opt._short_opts
]
# 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)
# Complete sub-commands (unless one is already given).
if not any(name in cwords for name in subcommand.handler_map()):
for handler_name in subcommand.handler_map():
if handler_name.startswith(current):
print(handler_name)
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]
) -> str | None:
"""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``)
: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, "")

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"""Base Command class, and related routines"""
from __future__ import annotations
import logging
import logging.config
import optparse
import os
import sys
import traceback
from optparse import Values
from typing import Callable
from pip._vendor.rich import reconfigure
from pip._vendor.rich import traceback as rich_traceback
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,
DiagnosticPipError,
InstallationError,
NetworkConnectionError,
PreviousBuildDirError,
)
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: TempDirRegistry | None = 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 _run_wrapper(self, level_number: int, options: Values, args: list[str]) -> int:
def _inner_run() -> int:
try:
return self.run(options, args)
finally:
self.handle_pip_version_check(options)
if options.debug_mode:
rich_traceback.install(show_locals=True)
return _inner_run()
try:
status = _inner_run()
assert isinstance(status, int)
return status
except DiagnosticPipError as exc:
logger.error("%s", exc, extra={"rich": True})
logger.debug("Exception information:", exc_info=True)
return ERROR
except PreviousBuildDirError as exc:
logger.critical(str(exc))
logger.debug("Exception information:", exc_info=True)
return PREVIOUS_BUILD_DIR_ERROR
except (
InstallationError,
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
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
if options.debug_mode:
self.verbosity = 2
if hasattr(options, "progress_bar") and options.progress_bar == "auto":
options.progress_bar = "on" if self.verbosity >= 0 else "off"
reconfigure(no_color=options.no_color)
level_number = setup_logging(
verbosity=self.verbosity,
no_color=options.no_color,
user_log_file=options.log,
)
always_enabled_features = set(options.features_enabled) & set(
cmdoptions.ALWAYS_ENABLED_FEATURES
)
if always_enabled_features:
logger.warning(
"The following features are always enabled: %s. ",
", ".join(sorted(always_enabled_features)),
)
# Make sure that the --python argument isn't specified after the
# subcommand. We can tell, because if --python was specified,
# we should only reach this point if we're running in the created
# subprocess, which has the _PIP_RUNNING_IN_SUBPROCESS environment
# variable set.
if options.python and "_PIP_RUNNING_IN_SUBPROCESS" not in os.environ:
logger.critical(
"The --python option must be placed before the pip subcommand name"
)
sys.exit(ERROR)
# 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 (
"inprocess-build-deps" in options.features_enabled
and os.environ.get("PIP_CONSTRAINT", "")
and "build-constraint" not in options.features_enabled
):
logger.warning(
"In-process build dependencies are enabled, "
"PIP_CONSTRAINT will have no effect for build dependencies"
)
options.features_enabled.append("build-constraint")
return self._run_wrapper(level_number, options, args)
def handler_map(self) -> dict[str, Callable[[Values, list[str]], None]]:
"""
map of names to handler actions for commands with sub-actions
"""
return {}

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from collections.abc import Generator
from contextlib import AbstractContextManager, ExitStack, contextmanager
from typing import 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) -> Generator[None, None, 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: AbstractContextManager[_T]) -> _T:
assert self._in_main_context
return self._main_context.enter_context(context_provider)