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?? __init__.py(11.65 KB)
?? __main__.py(584 B)
?? __pycache__
?? _vendor
?? basecommand.py(11.63 KB)
?? baseparser.py(10.22 KB)
?? cmdoptions.py(16.09 KB)
?? commands
?? compat
?? download.py(32.08 KB)
?? exceptions.py(7.93 KB)
?? index.py(40.58 KB)
?? locations.py(5.49 KB)
?? models
?? operations
?? pep425tags.py(10.72 KB)
?? req
?? status_codes.py(156 B)
?? utils
?? vcs
?? wheel.py(31.53 KB)

Editing: basecommand.py

"""Base Command class, and related routines"""
from __future__ import absolute_import

import logging
import os
import sys
import optparse
import warnings

from pip import cmdoptions
from pip.index import PackageFinder
from pip.locations import running_under_virtualenv
from pip.download import PipSession
from pip.exceptions import (BadCommand, InstallationError, UninstallationError,
                            CommandError, PreviousBuildDirError)

from pip.compat import logging_dictConfig
from pip.baseparser import ConfigOptionParser, UpdatingDefaultsHelpFormatter
from pip.req import InstallRequirement, parse_requirements
from pip.status_codes import (
    SUCCESS, ERROR, UNKNOWN_ERROR, VIRTUALENV_NOT_FOUND,
    PREVIOUS_BUILD_DIR_ERROR,
)
from pip.utils import deprecation, get_prog, normalize_path
from pip.utils.logging import IndentingFormatter
from pip.utils.outdated import pip_version_check

__all__ = ['Command']

logger = logging.getLogger(__name__)

class Command(object):
    name = None
    usage = None
    hidden = False
    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)

if options.quiet:
            if options.quiet == 1:
                level = "WARNING"
            if options.quiet == 2:
                level = "ERROR"
            else:
                level = "CRITICAL"
        elif options.verbose:
            level = "DEBUG"
        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"

logging_dictConfig({
            "version": 1,
            "disable_existing_loggers": False,
            "filters": {
                "exclude_warnings": {
                    "()": "pip.utils.logging.MaxLevelFilter",
                    "level": logging.WARNING,
                },
            },
            "formatters": {
                "indent": {
                    "()": IndentingFormatter,
                    "format": "%(message)s",
                },
            },
            "handlers": {
                "console": {
                    "level": level,
                    "class": "pip.utils.logging.ColorizedStreamHandler",
                    "stream": self.log_streams[0],
                    "filters": ["exclude_warnings"],
                    "formatter": "indent",
                },
                "console_errors": {
                    "level": "WARNING",
                    "class": "pip.utils.logging.ColorizedStreamHandler",
                    "stream": self.log_streams[1],
                    "formatter": "indent",
                },
                "user_log": {
                    "level": "DEBUG",
                    "class": "pip.utils.logging.BetterRotatingFileHandler",
                    "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": dict(
                (
                    name,
                    {
                        "level": (
                            "WARNING"
                            if level in ["INFO", "ERROR"]
                            else "DEBUG"
                        ),
                    },
                )
                for name in ["pip._vendor", "distlib", "requests", "urllib3"]
            ),
        })

if sys.version_info[:2] == (2, 6):
            warnings.warn(
                "Python 2.6 is no longer supported by the Python core team, "
                "please upgrade your Python. A future version of pip will "
                "drop support for Python 2.6",
                deprecation.Python26DeprecationWarning
            )

# 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:
            # 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)

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)

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.
        """
        for filename in options.constraints:
            for req in parse_requirements(
                    filename,
                    constraint=True, finder=finder, options=options,
                    session=session, wheel_cache=wheel_cache):
                requirement_set.add_requirement(req)

for req in args:
            requirement_set.add_requirement(
                InstallRequirement.from_line(
                    req, None, isolated=options.isolated_mode,
                    wheel_cache=wheel_cache
                )
            )

for req in options.editables:
            requirement_set.add_requirement(
                InstallRequirement.from_editable(
                    req,
                    default_vcs=options.default_vcs,
                    isolated=options.isolated_mode,
                    wheel_cache=wheel_cache
                )
            )

found_req_in_file = False
        for filename in options.requirements:
            for req in parse_requirements(
                    filename,
                    finder=finder, options=options, session=session,
                    wheel_cache=wheel_cache):
                found_req_in_file = True
                requirement_set.add_requirement(req)
        # 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 found_req_in_file):
            opts = {'name': name}
            if options.find_links:
                msg = ('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:
                msg = ('You must give at least one requirement '
                       'to %(name)s (see "pip help %(name)s")' % opts)
            logger.warning(msg)

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,
        )

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