X7ROOT File Manager
Current Path:
/lib/python3.8/site-packages/pip/_internal/commands
lib
/
python3.8
/
site-packages
/
pip
/
_internal
/
commands
/
??
..
??
__init__.py
(3.63 KB)
??
__pycache__
??
check.py
(1.47 KB)
??
completion.py
(2.91 KB)
??
configuration.py
(7.06 KB)
??
debug.py
(3.31 KB)
??
download.py
(5.45 KB)
??
freeze.py
(3.38 KB)
??
hash.py
(1.69 KB)
??
help.py
(1.15 KB)
??
install.py
(23.98 KB)
??
list.py
(10.3 KB)
??
search.py
(5.03 KB)
??
show.py
(6.63 KB)
??
uninstall.py
(2.91 KB)
??
wheel.py
(6.26 KB)
Editing: configuration.py
# The following comment should be removed at some point in the future. # mypy: disallow-untyped-defs=False import logging import os import subprocess from pip._internal.cli.base_command import Command from pip._internal.cli.status_codes import ERROR, SUCCESS from pip._internal.configuration import ( Configuration, get_configuration_files, kinds, ) from pip._internal.exceptions import PipError from pip._internal.utils.misc import get_prog, write_output logger = logging.getLogger(__name__) class ConfigurationCommand(Command): """Manage local and global configuration. Subcommands: list: List the active configuration (or from the file specified) edit: Edit the configuration file in an editor get: Get the value associated with name set: Set the name=value unset: Unset the value associated with name If none of --user, --global and --site are passed, a virtual environment configuration file is used if one is active and the file exists. Otherwise, all modifications happen on the to the user file by default. """ ignore_require_venv = True usage = """ %prog [<file-option>] list %prog [<file-option>] [--editor <editor-path>] edit %prog [<file-option>] get name %prog [<file-option>] set name value %prog [<file-option>] unset name """ def __init__(self, *args, **kwargs): super(ConfigurationCommand, self).__init__(*args, **kwargs) self.configuration = None self.cmd_opts.add_option( '--editor', dest='editor', action='store', default=None, help=( 'Editor to use to edit the file. Uses VISUAL or EDITOR ' 'environment variables if not provided.' ) ) self.cmd_opts.add_option( '--global', dest='global_file', action='store_true', default=False, help='Use the system-wide configuration file only' ) self.cmd_opts.add_option( '--user', dest='user_file', action='store_true', default=False, help='Use the user configuration file only' ) self.cmd_opts.add_option( '--site', dest='site_file', action='store_true', default=False, help='Use the current environment configuration file only' ) self.parser.insert_option_group(0, self.cmd_opts) def run(self, options, args): handlers = { "list": self.list_values, "edit": self.open_in_editor, "get": self.get_name, "set": self.set_name_value, "unset": self.unset_name } # Determine action if not args or args[0] not in handlers: logger.error("Need an action ({}) to perform.".format( ", ".join(sorted(handlers))) ) return ERROR action = args[0] # Determine which configuration files are to be loaded # Depends on whether the command is modifying. try: load_only = self._determine_file( options, need_value=(action in ["get", "set", "unset", "edit"]) ) except PipError as e: logger.error(e.args[0]) return ERROR # Load a new configuration self.configuration = Configuration( isolated=options.isolated_mode, load_only=load_only ) self.configuration.load() # Error handling happens here, not in the action-handlers. try: handlers[action](options, args[1:]) except PipError as e: logger.error(e.args[0]) return ERROR return SUCCESS def _determine_file(self, options, need_value): file_options = [key for key, value in ( (kinds.USER, options.user_file), (kinds.GLOBAL, options.global_file), (kinds.SITE, options.site_file), ) if value] if not file_options: if not need_value: return None # Default to user, unless there's a site file. elif any( os.path.exists(site_config_file) for site_config_file in get_configuration_files()[kinds.SITE] ): return kinds.SITE else: return kinds.USER elif len(file_options) == 1: return file_options[0] raise PipError( "Need exactly one file to operate upon " "(--user, --site, --global) to perform." ) def list_values(self, options, args): self._get_n_args(args, "list", n=0) for key, value in sorted(self.configuration.items()): write_output("%s=%r", key, value) def get_name(self, options, args): key = self._get_n_args(args, "get [name]", n=1) value = self.configuration.get_value(key) write_output("%s", value) def set_name_value(self, options, args): key, value = self._get_n_args(args, "set [name] [value]", n=2) self.configuration.set_value(key, value) self._save_configuration() def unset_name(self, options, args): key = self._get_n_args(args, "unset [name]", n=1) self.configuration.unset_value(key) self._save_configuration() def open_in_editor(self, options, args): editor = self._determine_editor(options) fname = self.configuration.get_file_to_edit() if fname is None: raise PipError("Could not determine appropriate file.") try: subprocess.check_call([editor, fname]) except subprocess.CalledProcessError as e: raise PipError( "Editor Subprocess exited with exit code {}" .format(e.returncode) ) def _get_n_args(self, args, example, n): """Helper to make sure the command got the right number of arguments """ if len(args) != n: msg = ( 'Got unexpected number of arguments, expected {}. ' '(example: "{} config {}")' ).format(n, get_prog(), example) raise PipError(msg) if n == 1: return args[0] else: return args def _save_configuration(self): # We successfully ran a modifying command. Need to save the # configuration. try: self.configuration.save() except Exception: logger.error( "Unable to save configuration. Please report this as a bug.", exc_info=1 ) raise PipError("Internal Error.") def _determine_editor(self, options): if options.editor is not None: return options.editor elif "VISUAL" in os.environ: return os.environ["VISUAL"] elif "EDITOR" in os.environ: return os.environ["EDITOR"] else: raise PipError("Could not determine editor to use.")
Upload File
Create Folder