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Shard feedstock-outputs paths by alphanumeric characters #199

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Merged
traversaro merged 1 commit into from
Nov 12, 2026
Merged

Shard feedstock-outputs paths by alphanumeric characters #199

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3 changes: 2 additions & 1 deletion vinca/pinning.py
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Original file line number Diff line number Diff line change
Expand Up @@ -396,7 +396,8 @@ def _normalized(name: str) -> str:


def _feedstock_output_url(package: str) -> str:
prefix = (package.lower() + "zzz")[:3]
# feedstock-outputs shards by the first three alphanumeric characters
prefix = ("".join(c for c in package.lower() if c.isalnum()) + "zzz")[:3]
shards = "/".join(prefix)
return FEEDSTOCK_OUTPUT_URL.format(
shards=shards, package=quote(package.lower(), safe="")
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14 changes: 14 additions & 0 deletions vinca/test_pinning.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@

from vinca.pinning import (
PinningError,
_feedstock_output_url,
_migration_applies_to_platforms,
dependencies_from_recipes,
dependencies_from_vinca,
Expand Down Expand Up @@ -600,3 +601,16 @@ def test_existing_active_migration_is_kept_and_overrides_are_unchanged(tmp_path)
assert "This comment and value are maintained locally." in text
parsed = ruamel.yaml.YAML(typ="safe").load(text)
assert parsed["pinning_overrides"] == {"python": ["3.14.* *_cp314"]}


@pytest.mark.parametrize(
"package,shards",
[
("libboost-devel", "l/i/b"),
("r-base", "r/b/a"),
("c-ares", "c/a/r"),
("go", "g/o/z"),
],
)
def test_feedstock_output_url_shards_by_alphanumeric_characters(package, shards):
assert _feedstock_output_url(package).endswith(f"/outputs/{shards}/{package}.json")
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