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feat: implement less/greater operators for string for env marker evaluation #2827

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Merged
merged 3 commits into from
Apr 29, 2025
Merged

feat: implement less/greater operators for string for env marker evaluation #2827

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a9137b1
wip: add lte, gte ops for strings
rickeylev Apr 25, 2025
d6c4514
Merge branch 'main' of https://github.com/bazel-contrib/rules_python …
rickeylev Apr 28, 2025
10094f6
add tests
rickeylev Apr 28, 2025
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8 changes: 8 additions & 0 deletions python/private/pypi/pep508_evaluate.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -344,6 +344,14 @@ def _env_expr(left, op, right):
return left in right
elif op == "not in":
return left not in right
elif op == "<":
return left < right
elif op == "<=":
return left <= right
elif op == ">":
return left > right
elif op == ">=":
return left >= right
else:
return fail("TODO: op unsupported: '{}'".format(op))

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22 changes: 16 additions & 6 deletions tests/pypi/pep508/evaluate_tests.bzl
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Expand Up @@ -68,18 +68,28 @@ def _evaluate_non_version_env_tests(env):

# When
for input, want in {
"{} == 'osx'".format(var_name): True,
"{} != 'osx'".format(var_name): False,
"'osx' == {}".format(var_name): True,
"'osx' != {}".format(var_name): False,
"'x' in {}".format(var_name): True,
"'osx' < {}".format(var_name): False,
"'osx' <= {}".format(var_name): True,
"'osx' == {}".format(var_name): True,
"'osx' >= {}".format(var_name): True,
"'w' not in {}".format(var_name): True,
}.items(): # buildifier: @unsorted-dict-items
"'x' in {}".format(var_name): True,
"{} != 'osx'".format(var_name): False,
"{} < 'osx'".format(var_name): False,
"{} <= 'osx'".format(var_name): True,
"{} == 'osx'".format(var_name): True,
"{} > 'osx'".format(var_name): False,
"{} >= 'osx'".format(var_name): True,
}.items():
got = evaluate(
input,
env = marker_env,
)
env.expect.that_bool(got).equals(want)
env.expect.where(
expr = input,
env = marker_env,
).that_bool(got).equals(want)

# Check that the non-strict eval gives us back the input when no
# env is supplied.
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