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Peter Bierma
4f0292d4c1
* Also delay class level annotations if the experimental flag is given --------- Co-authored-by: Kay Hayen <kay.hayen@gmail.com>
120 lines
2.6 KiB
Python
120 lines
2.6 KiB
Python
# Copyright 2026, Kay Hayen, mailto:kay.hayen@gmail.com find license text at end of file
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"""Test Python 3.14 function '__annotate__' behavior."""
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from functools import singledispatch
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def displayDict(d):
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result = "{"
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first = True
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for key, value in sorted(d.items()):
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if not first:
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result += ","
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result += "%s: %s" % (repr(key), repr(value))
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first = False
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result += "}"
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return result
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def annotationCacheTest(_x: int):
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pass
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if annotationCacheTest.__annotations__:
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pass
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annotationCacheTest.__annotate__ = None
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annotationCacheTest.__annotations__["cached"] = 9
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print(
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"Annotation cache after clearing __annotate__:",
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displayDict(annotationCacheTest.__annotations__),
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)
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@singledispatch
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def singledispatchTest(_value):
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return "default"
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@singledispatchTest.register
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def _(value: int):
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return "int"
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print(
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"singledispatch register with annotation:",
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singledispatchTest(1),
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singledispatchTest("x"),
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)
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# Test class-level deferred annotations
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class TestClassAnnotations:
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x: int = 1
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y: str
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def method(self, a: int) -> str:
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return str(a)
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print(
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"Class annotations:",
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displayDict(TestClassAnnotations.__annotations__),
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)
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print("Class annotation attribute x:", TestClassAnnotations.x)
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print(
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"Class annotation method result:",
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TestClassAnnotations().method(42),
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)
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class TestNoClassAnnotations:
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z = 42
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def method(self, a: int) -> str:
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return str(a)
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print(
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"Class annotations (no class-level):",
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displayDict(TestNoClassAnnotations.__annotations__),
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)
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print("Class attribute z:", TestNoClassAnnotations.z)
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class TestParent:
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parent_attr: str = "hello"
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class TestChild(TestParent):
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child_attr: int = 10
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print(
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"Child annotations:",
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displayDict(TestChild.__annotations__),
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)
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print("Child attr:", TestChild.child_attr)
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print("Parent attr:", TestChild.parent_attr)
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# Python tests originally created or extracted from other peoples work. The
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# parts were too small to be protected.
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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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