Python pip._internal.exceptions.PreviousBuildDirError() Examples

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Example #1
Source File: req_command.py    From rules_pip with MIT License 5 votes vote down vote up 
def with_cleanup(func):
    # type: (Any) -> Any
    """Decorator for common logic related to managing temporary
    directories.
    """
    def configure_tempdir_registry(registry):
        # type: (TempDirectoryTypeRegistry) -> None
        for t in KEEPABLE_TEMPDIR_TYPES:
            registry.set_delete(t, False)

    def wrapper(self, options, args):
        # type: (RequirementCommand, Values, List[Any]) -> Optional[int]
        assert self.tempdir_registry is not None
        if options.no_clean:
            configure_tempdir_registry(self.tempdir_registry)

        try:
            return func(self, options, args)
        except PreviousBuildDirError:
            # This kind of conflict can occur when the user passes an explicit
            # build directory with a pre-existing folder. In that case we do
            # not want to accidentally remove it.
            configure_tempdir_registry(self.tempdir_registry)
            raise

    return wrapper