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author | 2022-11-13 23:46:45 +0530 | |
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committer | 2022-11-13 23:46:45 +0530 | |
commit | 9468226a9e2e2ab8cdd599f1d8538e860ca86120 (patch) | |
tree | 0a77ada226d6db80639f96b438bf83e4e756edb5 /env/lib/python3.10/site-packages/pip/_internal/commands/configuration.py | |
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Diffstat (limited to 'env/lib/python3.10/site-packages/pip/_internal/commands/configuration.py')
-rw-r--r-- | env/lib/python3.10/site-packages/pip/_internal/commands/configuration.py | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/env/lib/python3.10/site-packages/pip/_internal/commands/configuration.py b/env/lib/python3.10/site-packages/pip/_internal/commands/configuration.py new file mode 100644 index 0000000..e383732 --- /dev/null +++ b/env/lib/python3.10/site-packages/pip/_internal/commands/configuration.py @@ -0,0 +1,276 @@ +import logging +import os +import subprocess +from optparse import Values +from typing import Any, List, Optional + +from pip._internal.cli.base_command import Command +from pip._internal.cli.status_codes import ERROR, SUCCESS +from pip._internal.configuration import ( + Configuration, + Kind, + get_configuration_files, + kinds, +) +from pip._internal.exceptions import PipError +from pip._internal.utils.logging import indent_log +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 command.option + - set: Set the command.option=value + - unset: Unset the value associated with command.option + - debug: List the configuration files and values defined under them + + Configuration keys should be dot separated command and option name, + with the special prefix "global" affecting any command. For example, + "pip config set global.index-url https://example.org/" would configure + the index url for all commands, but "pip config set download.timeout 10" + would configure a 10 second timeout only for "pip download" commands. + + 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 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 command.option + %prog [<file-option>] set command.option value + %prog [<file-option>] unset command.option + %prog [<file-option>] debug + """ + + def add_options(self) -> 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: Values, args: List[str]) -> int: + handlers = { + "list": self.list_values, + "edit": self.open_in_editor, + "get": self.get_name, + "set": self.set_name_value, + "unset": self.unset_name, + "debug": self.list_config_values, + } + + # Determine action + if not args or args[0] not in handlers: + logger.error( + "Need an action (%s) to perform.", + ", ".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: Values, need_value: bool) -> Optional[Kind]: + 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: Values, args: List[str]) -> None: + 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: Values, args: List[str]) -> None: + 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: Values, args: List[str]) -> None: + 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: Values, args: List[str]) -> None: + key = self._get_n_args(args, "unset [name]", n=1) + self.configuration.unset_value(key) + + self._save_configuration() + + def list_config_values(self, options: Values, args: List[str]) -> None: + """List config key-value pairs across different config files""" + self._get_n_args(args, "debug", n=0) + + self.print_env_var_values() + # Iterate over config files and print if they exist, and the + # key-value pairs present in them if they do + for variant, files in sorted(self.configuration.iter_config_files()): + write_output("%s:", variant) + for fname in files: + with indent_log(): + file_exists = os.path.exists(fname) + write_output("%s, exists: %r", fname, file_exists) + if file_exists: + self.print_config_file_values(variant) + + def print_config_file_values(self, variant: Kind) -> None: + """Get key-value pairs from the file of a variant""" + for name, value in self.configuration.get_values_in_config(variant).items(): + with indent_log(): + write_output("%s: %s", name, value) + + def print_env_var_values(self) -> None: + """Get key-values pairs present as environment variables""" + write_output("%s:", "env_var") + with indent_log(): + for key, value in sorted(self.configuration.get_environ_vars()): + env_var = f"PIP_{key.upper()}" + write_output("%s=%r", env_var, value) + + def open_in_editor(self, options: Values, args: List[str]) -> None: + 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 FileNotFoundError as e: + if not e.filename: + e.filename = editor + raise + except subprocess.CalledProcessError as e: + raise PipError( + "Editor Subprocess exited with exit code {}".format(e.returncode) + ) + + def _get_n_args(self, args: List[str], example: str, n: int) -> Any: + """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) -> None: + # We successfully ran a modifying command. Need to save the + # configuration. + try: + self.configuration.save() + except Exception: + logger.exception( + "Unable to save configuration. Please report this as a bug." + ) + raise PipError("Internal Error.") + + def _determine_editor(self, options: Values) -> str: + 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.") |