mirror of
https://github.com/PiBrewing/craftbeerpi4.git
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374 lines
14 KiB
Python
374 lines
14 KiB
Python
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"""Base Command class, and related routines"""
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from __future__ import absolute_import
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import logging
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import logging.config
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import optparse
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import os
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import sys
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import warnings
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from pip._internal import cmdoptions
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from pip._internal.baseparser import (
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ConfigOptionParser, UpdatingDefaultsHelpFormatter,
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)
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from pip._internal.compat import WINDOWS
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from pip._internal.download import PipSession
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from pip._internal.exceptions import (
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BadCommand, CommandError, InstallationError, PreviousBuildDirError,
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UninstallationError,
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)
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from pip._internal.index import PackageFinder
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from pip._internal.locations import running_under_virtualenv
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from pip._internal.req.req_file import parse_requirements
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from pip._internal.req.req_install import InstallRequirement
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from pip._internal.status_codes import (
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ERROR, PREVIOUS_BUILD_DIR_ERROR, SUCCESS, UNKNOWN_ERROR,
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VIRTUALENV_NOT_FOUND,
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)
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from pip._internal.utils import deprecation
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from pip._internal.utils.logging import IndentingFormatter
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from pip._internal.utils.misc import get_prog, normalize_path
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from pip._internal.utils.outdated import pip_version_check
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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if MYPY_CHECK_RUNNING:
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from typing import Optional
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__all__ = ['Command']
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logger = logging.getLogger(__name__)
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class Command(object):
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name = None # type: Optional[str]
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usage = None # type: Optional[str]
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hidden = False # type: bool
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ignore_require_venv = False # type: bool
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log_streams = ("ext://sys.stdout", "ext://sys.stderr")
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def __init__(self, isolated=False):
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parser_kw = {
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'usage': self.usage,
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'prog': '%s %s' % (get_prog(), self.name),
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'formatter': UpdatingDefaultsHelpFormatter(),
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'add_help_option': False,
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'name': self.name,
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'description': self.__doc__,
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'isolated': isolated,
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}
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self.parser = ConfigOptionParser(**parser_kw)
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# Commands should add options to this option group
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optgroup_name = '%s Options' % self.name.capitalize()
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self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)
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# Add the general options
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gen_opts = cmdoptions.make_option_group(
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cmdoptions.general_group,
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self.parser,
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)
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self.parser.add_option_group(gen_opts)
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def _build_session(self, options, retries=None, timeout=None):
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session = PipSession(
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cache=(
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normalize_path(os.path.join(options.cache_dir, "http"))
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if options.cache_dir else None
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),
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retries=retries if retries is not None else options.retries,
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insecure_hosts=options.trusted_hosts,
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)
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# Handle custom ca-bundles from the user
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if options.cert:
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session.verify = options.cert
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# Handle SSL client certificate
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if options.client_cert:
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session.cert = options.client_cert
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# Handle timeouts
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if options.timeout or timeout:
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session.timeout = (
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timeout if timeout is not None else options.timeout
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)
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# Handle configured proxies
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if options.proxy:
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session.proxies = {
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"http": options.proxy,
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"https": options.proxy,
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}
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# Determine if we can prompt the user for authentication or not
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session.auth.prompting = not options.no_input
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return session
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def parse_args(self, args):
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# factored out for testability
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return self.parser.parse_args(args)
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def main(self, args):
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options, args = self.parse_args(args)
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# Set verbosity so that it can be used elsewhere.
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self.verbosity = options.verbose - options.quiet
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if self.verbosity >= 1:
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level = "DEBUG"
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elif self.verbosity == -1:
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level = "WARNING"
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elif self.verbosity == -2:
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level = "ERROR"
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elif self.verbosity <= -3:
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level = "CRITICAL"
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else:
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level = "INFO"
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# The root logger should match the "console" level *unless* we
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# specified "--log" to send debug logs to a file.
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root_level = level
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if options.log:
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root_level = "DEBUG"
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logger_class = "pip._internal.utils.logging.ColorizedStreamHandler"
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handler_class = "pip._internal.utils.logging.BetterRotatingFileHandler"
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logging.config.dictConfig({
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"version": 1,
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"disable_existing_loggers": False,
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"filters": {
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"exclude_warnings": {
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"()": "pip._internal.utils.logging.MaxLevelFilter",
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"level": logging.WARNING,
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},
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},
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"formatters": {
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"indent": {
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"()": IndentingFormatter,
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"format": "%(message)s",
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},
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},
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"handlers": {
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"console": {
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"level": level,
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"class": logger_class,
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"no_color": options.no_color,
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"stream": self.log_streams[0],
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"filters": ["exclude_warnings"],
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"formatter": "indent",
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},
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"console_errors": {
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"level": "WARNING",
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"class": logger_class,
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"no_color": options.no_color,
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"stream": self.log_streams[1],
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"formatter": "indent",
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},
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"user_log": {
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"level": "DEBUG",
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"class": handler_class,
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"filename": options.log or "/dev/null",
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"delay": True,
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"formatter": "indent",
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},
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},
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"root": {
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"level": root_level,
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"handlers": list(filter(None, [
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"console",
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"console_errors",
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"user_log" if options.log else None,
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])),
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},
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# Disable any logging besides WARNING unless we have DEBUG level
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# logging enabled. These use both pip._vendor and the bare names
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# for the case where someone unbundles our libraries.
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"loggers": {
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name: {
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"level": (
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"WARNING" if level in ["INFO", "ERROR"] else "DEBUG"
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)
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} for name in [
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"pip._vendor", "distlib", "requests", "urllib3"
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]
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},
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})
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if sys.version_info[:2] == (3, 3):
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warnings.warn(
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"Python 3.3 supported has been deprecated and support for it "
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"will be dropped in the future. Please upgrade your Python.",
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deprecation.RemovedInPip11Warning,
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)
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# TODO: try to get these passing down from the command?
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# without resorting to os.environ to hold these.
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if options.no_input:
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os.environ['PIP_NO_INPUT'] = '1'
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if options.exists_action:
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os.environ['PIP_EXISTS_ACTION'] = ' '.join(options.exists_action)
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if options.require_venv and not self.ignore_require_venv:
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# If a venv is required check if it can really be found
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if not running_under_virtualenv():
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logger.critical(
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'Could not find an activated virtualenv (required).'
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)
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sys.exit(VIRTUALENV_NOT_FOUND)
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original_root_handlers = set(logging.root.handlers)
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try:
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status = self.run(options, args)
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# FIXME: all commands should return an exit status
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# and when it is done, isinstance is not needed anymore
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if isinstance(status, int):
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return status
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except PreviousBuildDirError as exc:
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logger.critical(str(exc))
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logger.debug('Exception information:', exc_info=True)
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return PREVIOUS_BUILD_DIR_ERROR
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except (InstallationError, UninstallationError, BadCommand) as exc:
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logger.critical(str(exc))
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logger.debug('Exception information:', exc_info=True)
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return ERROR
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except CommandError as exc:
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logger.critical('ERROR: %s', exc)
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logger.debug('Exception information:', exc_info=True)
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return ERROR
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except KeyboardInterrupt:
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logger.critical('Operation cancelled by user')
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logger.debug('Exception information:', exc_info=True)
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return ERROR
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except:
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logger.critical('Exception:', exc_info=True)
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return UNKNOWN_ERROR
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finally:
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# Check if we're using the latest version of pip available
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if (not options.disable_pip_version_check and not
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getattr(options, "no_index", False)):
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with self._build_session(
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options,
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retries=0,
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timeout=min(5, options.timeout)) as session:
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pip_version_check(session, options)
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# Avoid leaking loggers
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for handler in set(logging.root.handlers) - original_root_handlers:
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# this method benefit from the Logger class internal lock
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logging.root.removeHandler(handler)
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return SUCCESS
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class RequirementCommand(Command):
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@staticmethod
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def populate_requirement_set(requirement_set, args, options, finder,
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session, name, wheel_cache):
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"""
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Marshal cmd line args into a requirement set.
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"""
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# NOTE: As a side-effect, options.require_hashes and
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# requirement_set.require_hashes may be updated
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for filename in options.constraints:
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for req_to_add in parse_requirements(
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filename,
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constraint=True, finder=finder, options=options,
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session=session, wheel_cache=wheel_cache):
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req_to_add.is_direct = True
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requirement_set.add_requirement(req_to_add)
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for req in args:
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req_to_add = InstallRequirement.from_line(
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req, None, isolated=options.isolated_mode,
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wheel_cache=wheel_cache
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)
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req_to_add.is_direct = True
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requirement_set.add_requirement(req_to_add)
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for req in options.editables:
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req_to_add = InstallRequirement.from_editable(
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req,
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isolated=options.isolated_mode,
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wheel_cache=wheel_cache
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)
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req_to_add.is_direct = True
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requirement_set.add_requirement(req_to_add)
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for filename in options.requirements:
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for req_to_add in parse_requirements(
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filename,
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finder=finder, options=options, session=session,
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wheel_cache=wheel_cache):
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req_to_add.is_direct = True
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requirement_set.add_requirement(req_to_add)
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# If --require-hashes was a line in a requirements file, tell
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# RequirementSet about it:
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requirement_set.require_hashes = options.require_hashes
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if not (args or options.editables or options.requirements):
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opts = {'name': name}
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if options.find_links:
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raise CommandError(
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'You must give at least one requirement to %(name)s '
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'(maybe you meant "pip %(name)s %(links)s"?)' %
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dict(opts, links=' '.join(options.find_links)))
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else:
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raise CommandError(
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'You must give at least one requirement to %(name)s '
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'(see "pip help %(name)s")' % opts)
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# On Windows, any operation modifying pip should be run as:
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# python -m pip ...
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# See https://github.com/pypa/pip/issues/1299 for more discussion
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should_show_use_python_msg = (
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WINDOWS and
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requirement_set.has_requirement("pip") and
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os.path.basename(sys.argv[0]).startswith("pip")
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)
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if should_show_use_python_msg:
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new_command = [
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sys.executable, "-m", "pip"
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] + sys.argv[1:]
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raise CommandError(
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'To modify pip, please run the following command:\n{}'
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.format(" ".join(new_command))
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)
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def _build_package_finder(self, options, session,
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platform=None, python_versions=None,
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abi=None, implementation=None):
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"""
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Create a package finder appropriate to this requirement command.
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"""
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index_urls = [options.index_url] + options.extra_index_urls
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if options.no_index:
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logger.debug('Ignoring indexes: %s', ','.join(index_urls))
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index_urls = []
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return PackageFinder(
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find_links=options.find_links,
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format_control=options.format_control,
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index_urls=index_urls,
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trusted_hosts=options.trusted_hosts,
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allow_all_prereleases=options.pre,
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process_dependency_links=options.process_dependency_links,
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session=session,
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platform=platform,
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versions=python_versions,
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abi=abi,
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implementation=implementation,
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)
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