From 68df54d6629ec019142eb149dd037774f2d11e7c Mon Sep 17 00:00:00 2001 From: Shubham Saini Date: Tue, 11 Dec 2018 15:31:23 +0530 Subject: First commit --- .../pip/_internal/basecommand.py | 373 +++++++++++++++++++++ 1 file changed, 373 insertions(+) create mode 100644 venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/basecommand.py (limited to 'venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/basecommand.py') diff --git a/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/basecommand.py b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/basecommand.py new file mode 100644 index 0000000..e900928 --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/basecommand.py @@ -0,0 +1,373 @@ +"""Base Command class, and related routines""" +from __future__ import absolute_import + +import logging +import logging.config +import optparse +import os +import sys +import warnings + +from pip._internal import cmdoptions +from pip._internal.baseparser import ( + ConfigOptionParser, UpdatingDefaultsHelpFormatter, +) +from pip._internal.compat import WINDOWS +from pip._internal.download import PipSession +from pip._internal.exceptions import ( + BadCommand, CommandError, InstallationError, PreviousBuildDirError, + UninstallationError, +) +from pip._internal.index import PackageFinder +from pip._internal.locations import running_under_virtualenv +from pip._internal.req.req_file import parse_requirements +from pip._internal.req.req_install import InstallRequirement +from pip._internal.status_codes import ( + ERROR, PREVIOUS_BUILD_DIR_ERROR, SUCCESS, UNKNOWN_ERROR, + VIRTUALENV_NOT_FOUND, +) +from pip._internal.utils import deprecation +from pip._internal.utils.logging import IndentingFormatter +from pip._internal.utils.misc import get_prog, normalize_path +from pip._internal.utils.outdated import pip_version_check +from pip._internal.utils.typing import MYPY_CHECK_RUNNING + +if MYPY_CHECK_RUNNING: + from typing import Optional + +__all__ = ['Command'] + +logger = logging.getLogger(__name__) + + +class Command(object): + name = None # type: Optional[str] + usage = None # type: Optional[str] + hidden = False # type: bool + ignore_require_venv = False # type: bool + log_streams = ("ext://sys.stdout", "ext://sys.stderr") + + def __init__(self, isolated=False): + parser_kw = { + 'usage': self.usage, + 'prog': '%s %s' % (get_prog(), self.name), + 'formatter': UpdatingDefaultsHelpFormatter(), + 'add_help_option': False, + 'name': self.name, + 'description': self.__doc__, + 'isolated': isolated, + } + + self.parser = ConfigOptionParser(**parser_kw) + + # Commands should add options to this option group + optgroup_name = '%s Options' % self.name.capitalize() + 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) + + def _build_session(self, options, retries=None, timeout=None): + session = PipSession( + cache=( + normalize_path(os.path.join(options.cache_dir, "http")) + if options.cache_dir else None + ), + retries=retries if retries is not None else options.retries, + insecure_hosts=options.trusted_hosts, + ) + + # 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 + + def parse_args(self, args): + # factored out for testability + return self.parser.parse_args(args) + + def main(self, args): + options, args = self.parse_args(args) + + # Set verbosity so that it can be used elsewhere. + self.verbosity = options.verbose - options.quiet + + if self.verbosity >= 1: + level = "DEBUG" + elif self.verbosity == -1: + level = "WARNING" + elif self.verbosity == -2: + level = "ERROR" + elif self.verbosity <= -3: + level = "CRITICAL" + else: + level = "INFO" + + # The root logger should match the "console" level *unless* we + # specified "--log" to send debug logs to a file. + root_level = level + if options.log: + root_level = "DEBUG" + + logger_class = "pip._internal.utils.logging.ColorizedStreamHandler" + handler_class = "pip._internal.utils.logging.BetterRotatingFileHandler" + + logging.config.dictConfig({ + "version": 1, + "disable_existing_loggers": False, + "filters": { + "exclude_warnings": { + "()": "pip._internal.utils.logging.MaxLevelFilter", + "level": logging.WARNING, + }, + }, + "formatters": { + "indent": { + "()": IndentingFormatter, + "format": "%(message)s", + }, + }, + "handlers": { + "console": { + "level": level, + "class": logger_class, + "no_color": options.no_color, + "stream": self.log_streams[0], + "filters": ["exclude_warnings"], + "formatter": "indent", + }, + "console_errors": { + "level": "WARNING", + "class": logger_class, + "no_color": options.no_color, + "stream": self.log_streams[1], + "formatter": "indent", + }, + "user_log": { + "level": "DEBUG", + "class": handler_class, + "filename": options.log or "/dev/null", + "delay": True, + "formatter": "indent", + }, + }, + "root": { + "level": root_level, + "handlers": list(filter(None, [ + "console", + "console_errors", + "user_log" if options.log else None, + ])), + }, + # Disable any logging besides WARNING unless we have DEBUG level + # logging enabled. These use both pip._vendor and the bare names + # for the case where someone unbundles our libraries. + "loggers": { + name: { + "level": ( + "WARNING" if level in ["INFO", "ERROR"] else "DEBUG" + ) + } for name in [ + "pip._vendor", "distlib", "requests", "urllib3" + ] + }, + }) + + if sys.version_info[:2] == (3, 3): + warnings.warn( + "Python 3.3 supported has been deprecated and support for it " + "will be dropped in the future. Please upgrade your Python.", + deprecation.RemovedInPip11Warning, + ) + + # TODO: try to get these passing down from the command? + # without resorting to os.environ to hold these. + + 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) + + original_root_handlers = set(logging.root.handlers) + + try: + status = self.run(options, args) + # FIXME: all commands should return an exit status + # and when it is done, isinstance is not needed anymore + if 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) as exc: + logger.critical(str(exc)) + logger.debug('Exception information:', exc_info=True) + + return ERROR + except CommandError as exc: + logger.critical('ERROR: %s', exc) + logger.debug('Exception information:', exc_info=True) + + return ERROR + except KeyboardInterrupt: + logger.critical('Operation cancelled by user') + logger.debug('Exception information:', exc_info=True) + + return ERROR + except: + logger.critical('Exception:', exc_info=True) + + return UNKNOWN_ERROR + finally: + # Check if we're using the latest version of pip available + if (not options.disable_pip_version_check and not + getattr(options, "no_index", False)): + with self._build_session( + options, + retries=0, + timeout=min(5, options.timeout)) as session: + pip_version_check(session, options) + # Avoid leaking loggers + for handler in set(logging.root.handlers) - original_root_handlers: + # this method benefit from the Logger class internal lock + logging.root.removeHandler(handler) + + return SUCCESS + + +class RequirementCommand(Command): + + @staticmethod + def populate_requirement_set(requirement_set, args, options, finder, + session, name, wheel_cache): + """ + Marshal cmd line args into a requirement set. + """ + # NOTE: As a side-effect, options.require_hashes and + # requirement_set.require_hashes may be updated + + for filename in options.constraints: + for req_to_add in parse_requirements( + filename, + constraint=True, finder=finder, options=options, + session=session, wheel_cache=wheel_cache): + req_to_add.is_direct = True + requirement_set.add_requirement(req_to_add) + + for req in args: + req_to_add = InstallRequirement.from_line( + req, None, isolated=options.isolated_mode, + wheel_cache=wheel_cache + ) + req_to_add.is_direct = True + requirement_set.add_requirement(req_to_add) + + for req in options.editables: + req_to_add = InstallRequirement.from_editable( + req, + isolated=options.isolated_mode, + wheel_cache=wheel_cache + ) + req_to_add.is_direct = True + requirement_set.add_requirement(req_to_add) + + for filename in options.requirements: + for req_to_add in parse_requirements( + filename, + finder=finder, options=options, session=session, + wheel_cache=wheel_cache): + req_to_add.is_direct = True + requirement_set.add_requirement(req_to_add) + # If --require-hashes was a line in a requirements file, tell + # RequirementSet about it: + requirement_set.require_hashes = options.require_hashes + + if not (args or options.editables or options.requirements): + opts = {'name': name} + if options.find_links: + raise CommandError( + 'You must give at least one requirement to %(name)s ' + '(maybe you meant "pip %(name)s %(links)s"?)' % + dict(opts, links=' '.join(options.find_links))) + else: + raise CommandError( + 'You must give at least one requirement to %(name)s ' + '(see "pip help %(name)s")' % opts) + + # On Windows, any operation modifying pip should be run as: + # python -m pip ... + # See https://github.com/pypa/pip/issues/1299 for more discussion + should_show_use_python_msg = ( + WINDOWS and + requirement_set.has_requirement("pip") and + os.path.basename(sys.argv[0]).startswith("pip") + ) + if should_show_use_python_msg: + new_command = [ + sys.executable, "-m", "pip" + ] + sys.argv[1:] + raise CommandError( + 'To modify pip, please run the following command:\n{}' + .format(" ".join(new_command)) + ) + + def _build_package_finder(self, options, session, + platform=None, python_versions=None, + abi=None, implementation=None): + """ + Create a package finder appropriate to this requirement command. + """ + index_urls = [options.index_url] + options.extra_index_urls + if options.no_index: + logger.debug('Ignoring indexes: %s', ','.join(index_urls)) + index_urls = [] + + return PackageFinder( + find_links=options.find_links, + format_control=options.format_control, + index_urls=index_urls, + trusted_hosts=options.trusted_hosts, + allow_all_prereleases=options.pre, + process_dependency_links=options.process_dependency_links, + session=session, + platform=platform, + versions=python_versions, + abi=abi, + implementation=implementation, + ) -- cgit v1.2.3