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Direktori : /opt/alt/python27/lib/python2.7/site-packages/pip/_internal/commands/ |
Current File : //opt/alt/python27/lib/python2.7/site-packages/pip/_internal/commands/debug.py |
from __future__ import absolute_import import locale import logging import os import sys import pip._vendor from pip._vendor import pkg_resources from pip._vendor.certifi import where from pip import __file__ as pip_location from pip._internal.cli import cmdoptions from pip._internal.cli.base_command import Command from pip._internal.cli.cmdoptions import make_target_python from pip._internal.cli.status_codes import SUCCESS from pip._internal.utils.logging import indent_log from pip._internal.utils.misc import get_pip_version from pip._internal.utils.typing import MYPY_CHECK_RUNNING if MYPY_CHECK_RUNNING: from types import ModuleType from typing import List, Optional, Dict from optparse import Values from pip._internal.configuration import Configuration logger = logging.getLogger(__name__) def show_value(name, value): # type: (str, Optional[str]) -> None logger.info('%s: %s', name, value) def show_sys_implementation(): # type: () -> None logger.info('sys.implementation:') if hasattr(sys, 'implementation'): implementation = sys.implementation # type: ignore implementation_name = implementation.name else: implementation_name = '' with indent_log(): show_value('name', implementation_name) def create_vendor_txt_map(): # type: () -> Dict[str, str] vendor_txt_path = os.path.join( os.path.dirname(pip_location), '_vendor', 'vendor.txt' ) with open(vendor_txt_path) as f: # Purge non version specifying lines. # Also, remove any space prefix or suffixes (including comments). lines = [line.strip().split(' ', 1)[0] for line in f.readlines() if '==' in line] # Transform into "module" -> version dict. return dict(line.split('==', 1) for line in lines) # type: ignore def get_module_from_module_name(module_name): # type: (str) -> ModuleType # Module name can be uppercase in vendor.txt for some reason... module_name = module_name.lower() # PATCH: setuptools is actually only pkg_resources. if module_name == 'setuptools': module_name = 'pkg_resources' __import__( 'pip._vendor.{}'.format(module_name), globals(), locals(), level=0 ) return getattr(pip._vendor, module_name) def get_vendor_version_from_module(module_name): # type: (str) -> Optional[str] module = get_module_from_module_name(module_name) version = getattr(module, '__version__', None) if not version: # Try to find version in debundled module info # The type for module.__file__ is Optional[str] in # Python 2, and str in Python 3. The type: ignore is # added to account for Python 2, instead of a cast # and should be removed once we drop Python 2 support pkg_set = pkg_resources.WorkingSet( [os.path.dirname(module.__file__)] # type: ignore ) package = pkg_set.find(pkg_resources.Requirement.parse(module_name)) version = getattr(package, 'version', None) return version def show_actual_vendor_versions(vendor_txt_versions): # type: (Dict[str, str]) -> None """Log the actual version and print extra info if there is a conflict or if the actual version could not be imported. """ for module_name, expected_version in vendor_txt_versions.items(): extra_message = '' actual_version = get_vendor_version_from_module(module_name) if not actual_version: extra_message = ' (Unable to locate actual module version, using'\ ' vendor.txt specified version)' actual_version = expected_version elif actual_version != expected_version: extra_message = ' (CONFLICT: vendor.txt suggests version should'\ ' be {})'.format(expected_version) logger.info('%s==%s%s', module_name, actual_version, extra_message) def show_vendor_versions(): # type: () -> None logger.info('vendored library versions:') vendor_txt_versions = create_vendor_txt_map() with indent_log(): show_actual_vendor_versions(vendor_txt_versions) def show_tags(options): # type: (Values) -> None tag_limit = 10 target_python = make_target_python(options) tags = target_python.get_tags() # Display the target options that were explicitly provided. formatted_target = target_python.format_given() suffix = '' if formatted_target: suffix = ' (target: {})'.format(formatted_target) msg = 'Compatible tags: {}{}'.format(len(tags), suffix) logger.info(msg) if options.verbose < 1 and len(tags) > tag_limit: tags_limited = True tags = tags[:tag_limit] else: tags_limited = False with indent_log(): for tag in tags: logger.info(str(tag)) if tags_limited: msg = ( '...\n' '[First {tag_limit} tags shown. Pass --verbose to show all.]' ).format(tag_limit=tag_limit) logger.info(msg) def ca_bundle_info(config): # type: (Configuration) -> str levels = set() for key, _ in config.items(): levels.add(key.split('.')[0]) if not levels: return "Not specified" levels_that_override_global = ['install', 'wheel', 'download'] global_overriding_level = [ level for level in levels if level in levels_that_override_global ] if not global_overriding_level: return 'global' if 'global' in levels: levels.remove('global') return ", ".join(levels) class DebugCommand(Command): """ Display debug information. """ usage = """ %prog <options>""" ignore_require_venv = True def add_options(self): # type: () -> None cmdoptions.add_target_python_options(self.cmd_opts) self.parser.insert_option_group(0, self.cmd_opts) self.parser.config.load() def run(self, options, args): # type: (Values, List[str]) -> int logger.warning( "This command is only meant for debugging. " "Do not use this with automation for parsing and getting these " "details, since the output and options of this command may " "change without notice." ) show_value('pip version', get_pip_version()) show_value('sys.version', sys.version) show_value('sys.executable', sys.executable) show_value('sys.getdefaultencoding', sys.getdefaultencoding()) show_value('sys.getfilesystemencoding', sys.getfilesystemencoding()) show_value( 'locale.getpreferredencoding', locale.getpreferredencoding(), ) show_value('sys.platform', sys.platform) show_sys_implementation() show_value("'cert' config value", ca_bundle_info(self.parser.config)) show_value("REQUESTS_CA_BUNDLE", os.environ.get('REQUESTS_CA_BUNDLE')) show_value("CURL_CA_BUNDLE", os.environ.get('CURL_CA_BUNDLE')) show_value("pip._vendor.certifi.where()", where()) show_value("pip._vendor.DEBUNDLED", pip._vendor.DEBUNDLED) show_vendor_versions() show_tags(options) return SUCCESS