forked from LeddaZ/frameworks_base
65 lines
1.7 KiB
Python
Executable File
65 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (C) 2024 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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"""Build Alias instance with validating JSON contents."""
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import dataclasses
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from custom_json import _load_json_with_comment
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from validators import check_str
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from validators import check_weight_or_none
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@dataclasses.dataclass
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class Alias:
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name: str
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to: str
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weight: int | None
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_ALIAS_KEYS = set(["name", "to", "weight"])
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def parse_alias(obj) -> Alias:
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"""Convert given dict object to Alias instance."""
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unknown_keys = obj.keys() - _ALIAS_KEYS
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assert not unknown_keys, "Unknown keys found: %s" % unknown_keys
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alias = Alias(
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name=check_str(obj, "name"),
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to=check_str(obj, "to"),
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weight=check_weight_or_none(obj, "weight"),
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)
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assert alias.name != alias.to, "name and to must not be equal"
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return alias
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def parse_alias_from_json(json_str) -> Alias:
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"""For testing purposes."""
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return parse_alias(_load_json_with_comment(json_str))
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def parse_aliases(objs) -> [Alias]:
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assert isinstance(objs, list), "aliases must be list"
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return [parse_alias(obj) for obj in objs]
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def parse_aliases_from_json(json_str) -> [Alias]:
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return parse_aliases(_load_json_with_comment(json_str))
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