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gh-139810: Always generate -dev tags for PyManager packages #139814

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Merged
merged 1 commit into from
Oct 13, 2025
+14 −10
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gh-139810: Always generate -dev tags for PyManager packages #139814

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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Windows/2025-10-08-22-54-38.gh-issue-139810.LAaemi.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Installing with ``py install 3[.x]-dev`` will now select final versions as
well as prereleases.
22 changes: 12 additions & 10 deletions PC/layout/support/pymanager.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,9 @@ def calculate_install_json(ns, *, for_embed=False, for_test=False):

# Tag used in runtime ID (for side-by-side install/updates)
ID_TAG = XY_ARCH_TAG
# Tag shown in 'py list' output
# Tag shown in 'py list' output.
# gh-139810: We only include '-dev' here for prereleases, even though it
# works for final releases too.
DISPLAY_TAG = f"{XY_TAG}-dev{TAG_ARCH}" if VER_SUFFIX else XY_ARCH_TAG
# Tag used for PEP 514 registration
SYS_WINVER = XY_TAG + (TAG_ARCH if TAG_ARCH != '-64' else '')
Expand All @@ -102,9 +104,10 @@ def calculate_install_json(ns, *, for_embed=False, for_test=False):
FULL_ARCH_TAG,
XY_ARCH_TAG,
X_ARCH_TAG,
# X_TAG and XY_TAG doesn't include VER_SUFFIX, so create -dev versions
f"{XY_TAG}-dev{TAG_ARCH}" if XY_TAG and VER_SUFFIX else "",
f"{X_TAG}-dev{TAG_ARCH}" if X_TAG and VER_SUFFIX else "",
# gh-139810: The -dev tags are always included so that the latest
# release is chosen, no matter whether it's prerelease or final.
f"{XY_TAG}-dev{TAG_ARCH}" if XY_TAG else "",
f"{X_TAG}-dev{TAG_ARCH}" if X_TAG else "",
]

# Generate run-for entries for each target.
Expand All @@ -115,16 +118,15 @@ def calculate_install_json(ns, *, for_embed=False, for_test=False):
]:
if not base["target"]:
continue
STD_RUN_FOR.append({**base, "tag": FULL_ARCH_TAG})
STD_RUN_FOR.extend([
{**base, "tag": FULL_ARCH_TAG},
{**base, "tag": f"{XY_TAG}-dev{TAG_ARCH}" if XY_TAG else ""},
{**base, "tag": f"{X_TAG}-dev{TAG_ARCH}" if X_TAG else ""},
])
if XY_TAG:
STD_RUN_FOR.append({**base, "tag": XY_ARCH_TAG})
if X_TAG:
STD_RUN_FOR.append({**base, "tag": X_ARCH_TAG})
if VER_SUFFIX:
STD_RUN_FOR.extend([
{**base, "tag": f"{XY_TAG}-dev{TAG_ARCH}" if XY_TAG else ""},
{**base, "tag": f"{X_TAG}-dev{TAG_ARCH}" if X_TAG else ""},
])

# Generate alias entries for each target. We need both arch and non-arch
# versions as well as windowed/non-windowed versions to make sure that all
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