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Remove deprecated C API objects slated for removal in 3.15 #133644
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I think we can cross out
libmpdecimalremoval since it has been deferred to 3.16?Py_UNICODE_WIDE and Py_UNICODE type
Looking at just the top 500 pypi packages (Thanks Victor!), there is still usage in several packages. Do we want to postpone to 3.16?
Looking at just the top 500 pypi packages (Thanks Victor!), there is still usage in several packages. Do we want to postpone to 3.16?
How is it used? How many projects use them?
I think we can cross out libmpdecimal removal since it has been deferred to 3.16?
Right, we should wait for Python 3.16.
- added 4 commits that reference this issue
on Jul 12, 2025 - added 4 commits that reference this issue
on Aug 4, 2025 - added a commit that references this issue
on Sep 24, 2025
Proposal:
This issue serves as a tracker for removing the following parts of the C API:
PyImport_ImportModuleNoBlock: #133655PyWeakref_GetObjectandPyWeakref_GET_OBJECT: #133657PySys_Set*& co)Py_UNICODE_WIDEandPy_UNICODEtypeTracked separately:
vendored copy of(deferred to Python 3.16)libmpdecimal: #115119.PyUnicode_As{Encoded,Decoded}{Object,Unicode}: #133610 cc @StanFromIrelandPySys_ResetWarnOptionsRemove deprecatedPySys_ResetWarnOptionsC-API function #138886 cc @sobolevnI'll take care of doing the other deprecation removals and update
c-api-pending-removal-in-3-15.Has this already been discussed elsewhere?
This is a minor feature, which does not need previous discussion elsewhere
Links to previous discussion of this feature:
No response
Linked PRs
PyImport_ImportModuleNoBlock#133655PyWeakref_GetObjectandPyWeakref_GET_OBJECT#133657Py_InteractiveFlagdeprecation notice #133749Py_InteractiveFlagdeprecation notice (GH-133749) #133751Py_InteractiveFlagdeprecation notice (GH-133749) #133752PySys_SetArgv*for 3.15 #136277PySys_ResetWarnOptionsC-API function #138887