mirror of http://git.sairate.top/sairate/doc.git
51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
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from __future__ import annotations
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import logging
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import os
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import os.path
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from typing import IO, Any
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import mergedeep # type: ignore
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import yaml
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try:
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from yaml import CSafeLoader as SafeLoader
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except ImportError:
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from yaml import SafeLoader # type: ignore
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log = logging.getLogger(f"mkdocs.{__name__}")
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class YamlLoader(SafeLoader):
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pass
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# Prevent errors from trying to access external modules which may not be installed yet.
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YamlLoader.add_constructor("!ENV", lambda loader, node: None) # type: ignore
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YamlLoader.add_constructor("!relative", lambda loader, node: None) # type: ignore
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YamlLoader.add_multi_constructor(
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"tag:yaml.org,2002:python/name:", lambda loader, suffix, node: None
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)
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YamlLoader.add_multi_constructor(
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"tag:yaml.org,2002:python/object/apply:", lambda loader, suffix, node: None
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)
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def yaml_load(source: IO | str) -> dict[str, Any]:
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"""Return dict of source YAML file using loader, recursively deep merging inherited parent."""
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result = yaml.load(source, Loader=YamlLoader)
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if result is None:
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return {}
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if (
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"INHERIT" in result
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and not isinstance(source, str)
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and getattr(source, "name", None) is not None
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):
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relpath = result.pop("INHERIT")
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abspath = os.path.normpath(os.path.join(os.path.dirname(source.name), relpath))
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log.debug(f"Loading inherited configuration file: {abspath}")
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with open(abspath, "rb") as f:
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parent = yaml_load(f)
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result = mergedeep.merge(parent, result)
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return result
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