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4fcdb3c045
This PR copies over the `pep440-rs` crate at commit `82aa5d4dcbe676b121dc931b0afa09a82de8e3d7` with no modifications. It won't pass CI, but modifications will intentionally be confined to later PRs.
97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
from collections import namedtuple
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from unittest import mock
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import pytest
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from pep508_rs import Requirement, MarkerEnvironment, Pep508Error, VersionSpecifier
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def test_pep508():
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req = Requirement("numpy; python_version >= '3.7'")
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assert req.name == "numpy"
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env = MarkerEnvironment.current()
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assert req.evaluate_markers(env, [])
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req2 = Requirement("numpy; python_version < '3.7'")
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assert not req2.evaluate_markers(env, [])
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requests = Requirement(
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'requests [security,tests] >=2.8.1, ==2.8.* ; python_version > "3.8"'
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)
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assert requests.name == "requests"
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assert requests.extras == ["security", "tests"]
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assert requests.version_or_url == [
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VersionSpecifier(">=2.8.1"),
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VersionSpecifier("==2.8.*"),
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]
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assert requests.marker == "python_version > '3.8'"
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def test_marker():
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env = MarkerEnvironment.current()
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assert not Requirement("numpy; extra == 'science'").evaluate_markers(env, [])
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assert Requirement("numpy; extra == 'science'").evaluate_markers(env, ["science"])
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assert not Requirement(
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"numpy; extra == 'science' and extra == 'arrays'"
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).evaluate_markers(env, ["science"])
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assert Requirement(
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"numpy; extra == 'science' or extra == 'arrays'"
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).evaluate_markers(env, ["science"])
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class FakeVersionInfo(
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namedtuple("FakeVersionInfo", ["major", "minor", "micro", "releaselevel", "serial"])
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):
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pass
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@pytest.mark.parametrize(
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("version", "version_str"),
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[
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(FakeVersionInfo(3, 10, 11, "final", 0), "3.10.11"),
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(FakeVersionInfo(3, 10, 11, "rc", 1), "3.10.11rc1"),
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],
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)
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def test_marker_values(version, version_str):
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with mock.patch("sys.implementation.version", version):
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env = MarkerEnvironment.current()
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assert str(env.implementation_version.version) == version_str
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def test_marker_values_current_platform():
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MarkerEnvironment.current()
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def test_errors():
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with pytest.raises(
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Pep508Error,
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match="Expected an alphanumeric character starting the extra name, found 'ö'",
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):
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Requirement("numpy[ö]; python_version < '3.7'")
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def test_warnings(caplog):
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env = MarkerEnvironment.current()
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assert not Requirement("numpy; '3.6' < '3.7'").evaluate_markers(env, [])
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assert caplog.messages == [
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"Comparing two quoted strings with each other doesn't make sense: "
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"'3.6' < '3.7', evaluating to false"
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]
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caplog.clear()
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assert not Requirement("numpy; 'a' < 'b'").evaluate_markers(env, [])
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assert caplog.messages == [
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"Comparing two quoted strings with each other doesn't make sense: "
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"'a' < 'b', evaluating to false"
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]
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caplog.clear()
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Requirement("numpy; python_version >= '3.9.'").evaluate_markers(env, [])
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assert caplog.messages == [
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"Expected PEP 440 version to compare with python_version, found '3.9.', "
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"evaluating to false: Version `3.9.` doesn't match PEP 440 rules"
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]
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caplog.clear()
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# pickleshare 0.7.5
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Requirement("numpy; python_version in '2.6 2.7 3.2 3.3'").evaluate_markers(env, [])
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assert caplog.messages == [
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"Expected PEP 440 version to compare with python_version, "
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"found '2.6 2.7 3.2 3.3', "
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"evaluating to false: Version `2.6 2.7 3.2 3.3` doesn't match PEP 440 rules"
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]
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