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# (c) 2020 Matt Martz <matt@sivel.net>
# Simplified BSD License (see licenses/simplified_bsd.txt or https://opensource.org/licenses/BSD-2-Clause)
"""
This file provides ease of use shortcuts for loading and dumping YAML,
preferring the YAML compiled C extensions to reduce duplicated code.
"""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from functools import partial as _partial
HAS_LIBYAML = False
try:
import yaml as _yaml
except ImportError:
HAS_YAML = False
else:
HAS_YAML = True
if HAS_YAML:
try:
from yaml import CSafeLoader as SafeLoader
from yaml import CSafeDumper as SafeDumper
from yaml.cyaml import CParser as Parser
HAS_LIBYAML = True
except (ImportError, AttributeError):
from yaml import SafeLoader # type: ignore[misc]
from yaml import SafeDumper # type: ignore[misc]
from yaml.parser import Parser # type: ignore[misc]
yaml_load = _partial(_yaml.load, Loader=SafeLoader)
yaml_load_all = _partial(_yaml.load_all, Loader=SafeLoader)
yaml_dump = _partial(_yaml.dump, Dumper=SafeDumper)
yaml_dump_all = _partial(_yaml.dump_all, Dumper=SafeDumper)
else:
SafeLoader = object # type: ignore[assignment,misc]
SafeDumper = object # type: ignore[assignment,misc]
Parser = object # type: ignore[assignment,misc]
yaml_load = None # type: ignore[assignment]
yaml_load_all = None # type: ignore[assignment]
yaml_dump = None # type: ignore[assignment]
yaml_dump_all = None # type: ignore[assignment]
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