Python exceptions.PipError方法代码示例

# 需要导入模块: from pip._internal import exceptions [as 别名]
# 或者: from pip._internal.exceptions import PipError [as 别名]
def _determine_file(self, options, need_value):
        file_options = {
            kinds.USER: options.user_file,
            kinds.GLOBAL: options.global_file,
            kinds.VENV: options.venv_file
        }

        if sum(file_options.values()) == 0:
            if not need_value:
                return None
            # Default to user, unless there's a virtualenv file.
            elif os.path.exists(venv_config_file):
                return kinds.VENV
            else:
                return kinds.USER
        elif sum(file_options.values()) == 1:
            # There's probably a better expression for this.
            return [key for key in file_options if file_options[key]][0]

        raise PipError(
            "Need exactly one file to operate upon "
            "(--user, --venv, --global) to perform."
        ) 

# 需要导入模块: from pip._internal import exceptions [as 别名]
# 或者: from pip._internal.exceptions import PipError [as 别名]
def main(args=None):
    if args is None:
        args = sys.argv[1:]

    # Configure our deprecation warnings to be sent through loggers
    deprecation.install_warning_logger()

    autocomplete()

    try:
        cmd_name, cmd_args = parseopts(args)
    except PipError as exc:
        sys.stderr.write("ERROR: %s" % exc)
        sys.stderr.write(os.linesep)
        sys.exit(1)

    # Needed for locale.getpreferredencoding(False) to work
    # in pip._internal.utils.encoding.auto_decode
    try:
        locale.setlocale(locale.LC_ALL, '')
    except locale.Error as e:
        # setlocale can apparently crash if locale are uninitialized
        logger.debug("Ignoring error %s when setting locale", e)
    command = commands_dict[cmd_name](isolated=check_isolated(cmd_args))
    return command.main(cmd_args) 

# 需要导入模块: from pip._internal import exceptions [as 别名]
# 或者: from pip._internal.exceptions import PipError [as 别名]
def main(args=None):
    if args is None:
        args = sys.argv[1:]

    # Configure our deprecation warnings to be sent through loggers
    deprecation.install_warning_logger()

    autocomplete()

    try:
        cmd_name, cmd_args = parse_command(args)
    except PipError as exc:
        sys.stderr.write("ERROR: %s" % exc)
        sys.stderr.write(os.linesep)
        sys.exit(1)

    # Needed for locale.getpreferredencoding(False) to work
    # in pip._internal.utils.encoding.auto_decode
    try:
        locale.setlocale(locale.LC_ALL, '')
    except locale.Error as e:
        # setlocale can apparently crash if locale are uninitialized
        logger.debug("Ignoring error %s when setting locale", e)
    command = commands_dict[cmd_name](isolated=("--isolated" in cmd_args))
    return command.main(cmd_args) 

# 需要导入模块: from pip._internal import exceptions [as 别名]
# 或者: from pip._internal.exceptions import PipError [as 别名]
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."
        ) 

# 需要导入模块: from pip._internal import exceptions [as 别名]
# 或者: from pip._internal.exceptions import PipError [as 别名]
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)
            ) 

# 需要导入模块: from pip._internal import exceptions [as 别名]
# 或者: from pip._internal.exceptions import PipError [as 别名]
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 

# 需要导入模块: from pip._internal import exceptions [as 别名]
# 或者: from pip._internal.exceptions import PipError [as 别名]
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.")