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6715758ed9
All files in metadata/ are new, so they should follow the PEP-8 style. Change-Id: I5d8424536c3d7b703e6b8087e0e2d70c06a1549c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/4834909 Reviewed-by: Rachael Newitt <renewitt@google.com> Commit-Queue: Rachael Newitt <renewitt@google.com>
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
#!/usr/bin/env python3
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# Copyright 2023 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import os
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import re
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import sys
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from typing import Union
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_THIS_DIR = os.path.abspath(os.path.dirname(__file__))
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# The repo's root directory.
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_ROOT_DIR = os.path.abspath(os.path.join(_THIS_DIR, "..", "..", ".."))
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# Add the repo's root directory for clearer imports.
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sys.path.insert(0, _ROOT_DIR)
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import metadata.fields.field_types as field_types
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import metadata.fields.util as util
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import metadata.validation_result as vr
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_PATTERN_NOT_APPLICABLE = re.compile(r"^N ?\/ ?A$", re.IGNORECASE)
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def is_unknown(value: str) -> bool:
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"""Returns whether the value denotes the version being unknown."""
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return (value == "0" or util.matches(_PATTERN_NOT_APPLICABLE, value)
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or util.is_unknown(value))
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class VersionField(field_types.MetadataField):
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"""Custom field for the package version."""
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def __init__(self):
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super().__init__(name="Version", one_liner=True)
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def validate(self, value: str) -> Union[vr.ValidationResult, None]:
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"""Checks the given value is acceptable - there must be at least
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one non-whitespace character, and "N/A" is preferred over "0" if
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the version is unknown.
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"""
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if value == "0" or util.is_unknown(value):
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return vr.ValidationWarning(
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reason=f"{self._name} is '{value}'.",
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additional=[
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"Set this field to 'N/A' if this package does not version "
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"or is versioned by date or revision.",
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])
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if util.is_empty(value):
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return vr.ValidationError(
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reason=f"{self._name} is empty.",
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additional=[
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"Set this field to 'N/A' if this package does not version "
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"or is versioned by date or revision.",
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])
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return None
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