diff options
Diffstat (limited to 'venv/lib/python3.11/site-packages/pip/_internal/cli/parser.py')
| -rw-r--r-- | venv/lib/python3.11/site-packages/pip/_internal/cli/parser.py | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/pip/_internal/cli/parser.py b/venv/lib/python3.11/site-packages/pip/_internal/cli/parser.py new file mode 100644 index 0000000..ae554b2 --- /dev/null +++ b/venv/lib/python3.11/site-packages/pip/_internal/cli/parser.py @@ -0,0 +1,294 @@ +"""Base option parser setup""" + +import logging +import optparse +import shutil +import sys +import textwrap +from contextlib import suppress +from typing import Any, Dict, Generator, List, Tuple + +from pip._internal.cli.status_codes import UNKNOWN_ERROR +from pip._internal.configuration import Configuration, ConfigurationError +from pip._internal.utils.misc import redact_auth_from_url, strtobool + +logger = logging.getLogger(__name__) + + +class PrettyHelpFormatter(optparse.IndentedHelpFormatter): + """A prettier/less verbose help formatter for optparse.""" + + def __init__(self, *args: Any, **kwargs: Any) -> None: + # help position must be aligned with __init__.parseopts.description + kwargs["max_help_position"] = 30 + kwargs["indent_increment"] = 1 + kwargs["width"] = shutil.get_terminal_size()[0] - 2 + super().__init__(*args, **kwargs) + + def format_option_strings(self, option: optparse.Option) -> str: + return self._format_option_strings(option) + + def _format_option_strings( + self, option: optparse.Option, mvarfmt: str = " <{}>", optsep: str = ", " + ) -> str: + """ + Return a comma-separated list of option strings and metavars. + + :param option: tuple of (short opt, long opt), e.g: ('-f', '--format') + :param mvarfmt: metavar format string + :param optsep: separator + """ + opts = [] + + if option._short_opts: + opts.append(option._short_opts[0]) + if option._long_opts: + opts.append(option._long_opts[0]) + if len(opts) > 1: + opts.insert(1, optsep) + + if option.takes_value(): + assert option.dest is not None + metavar = option.metavar or option.dest.lower() + opts.append(mvarfmt.format(metavar.lower())) + + return "".join(opts) + + def format_heading(self, heading: str) -> str: + if heading == "Options": + return "" + return heading + ":\n" + + def format_usage(self, usage: str) -> str: + """ + Ensure there is only one newline between usage and the first heading + if there is no description. + """ + msg = "\nUsage: {}\n".format(self.indent_lines(textwrap.dedent(usage), " ")) + return msg + + def format_description(self, description: str) -> str: + # leave full control over description to us + if description: + if hasattr(self.parser, "main"): + label = "Commands" + else: + label = "Description" + # some doc strings have initial newlines, some don't + description = description.lstrip("\n") + # some doc strings have final newlines and spaces, some don't + description = description.rstrip() + # dedent, then reindent + description = self.indent_lines(textwrap.dedent(description), " ") + description = f"{label}:\n{description}\n" + return description + else: + return "" + + def format_epilog(self, epilog: str) -> str: + # leave full control over epilog to us + if epilog: + return epilog + else: + return "" + + def indent_lines(self, text: str, indent: str) -> str: + new_lines = [indent + line for line in text.split("\n")] + return "\n".join(new_lines) + + +class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter): + """Custom help formatter for use in ConfigOptionParser. + + This is updates the defaults before expanding them, allowing + them to show up correctly in the help listing. + + Also redact auth from url type options + """ + + def expand_default(self, option: optparse.Option) -> str: + default_values = None + if self.parser is not None: + assert isinstance(self.parser, ConfigOptionParser) + self.parser._update_defaults(self.parser.defaults) + assert option.dest is not None + default_values = self.parser.defaults.get(option.dest) + help_text = super().expand_default(option) + + if default_values and option.metavar == "URL": + if isinstance(default_values, str): + default_values = [default_values] + + # If its not a list, we should abort and just return the help text + if not isinstance(default_values, list): + default_values = [] + + for val in default_values: + help_text = help_text.replace(val, redact_auth_from_url(val)) + + return help_text + + +class CustomOptionParser(optparse.OptionParser): + def insert_option_group( + self, idx: int, *args: Any, **kwargs: Any + ) -> optparse.OptionGroup: + """Insert an OptionGroup at a given position.""" + group = self.add_option_group(*args, **kwargs) + + self.option_groups.pop() + self.option_groups.insert(idx, group) + + return group + + @property + def option_list_all(self) -> List[optparse.Option]: + """Get a list of all options, including those in option groups.""" + res = self.option_list[:] + for i in self.option_groups: + res.extend(i.option_list) + + return res + + +class ConfigOptionParser(CustomOptionParser): + """Custom option parser which updates its defaults by checking the + configuration files and environmental variables""" + + def __init__( + self, + *args: Any, + name: str, + isolated: bool = False, + **kwargs: Any, + ) -> None: + self.name = name + self.config = Configuration(isolated) + + assert self.name + super().__init__(*args, **kwargs) + + def check_default(self, option: optparse.Option, key: str, val: Any) -> Any: + try: + return option.check_value(key, val) + except optparse.OptionValueError as exc: + print(f"An error occurred during configuration: {exc}") + sys.exit(3) + + def _get_ordered_configuration_items( + self, + ) -> Generator[Tuple[str, Any], None, None]: + # Configuration gives keys in an unordered manner. Order them. + override_order = ["global", self.name, ":env:"] + + # Pool the options into different groups + section_items: Dict[str, List[Tuple[str, Any]]] = { + name: [] for name in override_order + } + for section_key, val in self.config.items(): + # ignore empty values + if not val: + logger.debug( + "Ignoring configuration key '%s' as it's value is empty.", + section_key, + ) + continue + + section, key = section_key.split(".", 1) + if section in override_order: + section_items[section].append((key, val)) + + # Yield each group in their override order + for section in override_order: + for key, val in section_items[section]: + yield key, val + + def _update_defaults(self, defaults: Dict[str, Any]) -> Dict[str, Any]: + """Updates the given defaults with values from the config files and + the environ. Does a little special handling for certain types of + options (lists).""" + + # Accumulate complex default state. + self.values = optparse.Values(self.defaults) + late_eval = set() + # Then set the options with those values + for key, val in self._get_ordered_configuration_items(): + # '--' because configuration supports only long names + option = self.get_option("--" + key) + + # Ignore options not present in this parser. E.g. non-globals put + # in [global] by users that want them to apply to all applicable + # commands. + if option is None: + continue + + assert option.dest is not None + + if option.action in ("store_true", "store_false"): + try: + val = strtobool(val) + except ValueError: + self.error( + f"{val} is not a valid value for {key} option, " + "please specify a boolean value like yes/no, " + "true/false or 1/0 instead." + ) + elif option.action == "count": + with suppress(ValueError): + val = strtobool(val) + with suppress(ValueError): + val = int(val) + if not isinstance(val, int) or val < 0: + self.error( + f"{val} is not a valid value for {key} option, " + "please instead specify either a non-negative integer " + "or a boolean value like yes/no or false/true " + "which is equivalent to 1/0." + ) + elif option.action == "append": + val = val.split() + val = [self.check_default(option, key, v) for v in val] + elif option.action == "callback": + assert option.callback is not None + late_eval.add(option.dest) + opt_str = option.get_opt_string() + val = option.convert_value(opt_str, val) + # From take_action + args = option.callback_args or () + kwargs = option.callback_kwargs or {} + option.callback(option, opt_str, val, self, *args, **kwargs) + else: + val = self.check_default(option, key, val) + + defaults[option.dest] = val + + for key in late_eval: + defaults[key] = getattr(self.values, key) + self.values = None + return defaults + + def get_default_values(self) -> optparse.Values: + """Overriding to make updating the defaults after instantiation of + the option parser possible, _update_defaults() does the dirty work.""" + if not self.process_default_values: + # Old, pre-Optik 1.5 behaviour. + return optparse.Values(self.defaults) + + # Load the configuration, or error out in case of an error + try: + self.config.load() + except ConfigurationError as err: + self.exit(UNKNOWN_ERROR, str(err)) + + defaults = self._update_defaults(self.defaults.copy()) # ours + for option in self._get_all_options(): + assert option.dest is not None + default = defaults.get(option.dest) + if isinstance(default, str): + opt_str = option.get_opt_string() + defaults[option.dest] = option.check_value(opt_str, default) + return optparse.Values(defaults) + + def error(self, msg: str) -> None: + self.print_usage(sys.stderr) + self.exit(UNKNOWN_ERROR, f"{msg}\n") |