yaml.py - mozsearch

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# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import os

try:

    from yaml import CSafeLoader as SafeLoader

except ImportError:

    from yaml import SafeLoader

class UnicodeLoader(SafeLoader):  # type: ignore

    def construct_yaml_str(self, node):

        return self.construct_scalar(node)

UnicodeLoader.add_constructor("tag:yaml.org,2002:str", UnicodeLoader.construct_yaml_str)

def load_stream(stream):

"""

    Parse the first YAML document in a stream

    and produce the corresponding Python object.

"""

    loader = UnicodeLoader(stream)

    try:

        return loader.get_single_data()

    finally:

        loader.dispose()

def load_yaml(*parts):

    """Convenience function to load a YAML file in the given path.  This is

    useful for loading kind configuration files from the kind path."""

    filename = os.path.join(*parts)

    with open(filename, "rb") as f:

        return load_stream(f)