Issue 37844: PyRun_SimpleFile should provide a version that does not need a FILE*

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This issue has been migrated to GitHub: https://github.com/python/cpython/issues/82025

classification

Title:	PyRun_SimpleFile should provide a version that does not need a FILE*
Type:	enhancement	Stage:
Components:	Windows	Versions:

process

Status:	open	Resolution:
Dependencies:		Superseder:
Assigned To:		Nosy List:	cbiesinger, paul.moore, steve.dower, tim.golden, zach.ware
Priority:	normal	Keywords:

Created on 2019-08-13 18:21 by cbiesinger, last changed 2022-04-11 14:59 by admin.

Messages (1)
msg349598 - (view)	Author: Christian Biesinger (cbiesinger)	Date: 2019-08-13 18:21
Because FILE* requires that the runtime library matches between Python and a program using it, it is very hard to use this correctly on Windows. It would be nice if Python provided either: - A function to open a FILE* given a filename, suitable for passing to the various PyRun_* functions, or - Versions of the functions that take a filename and internally open the file (ref: https://docs.python.org/3.9/c-api/veryhigh.html, which talks about this but provides no useful guidance: "One particular issue which needs to be handled carefully is that the FILE structure for different C libraries can be different and incompatible. Under Windows (at least), it is possible for dynamically linked extensions to actually use different libraries, so care should be taken that FILE* parameters are only passed to these functions if it is certain that they were created by the same library that the Python runtime is using." )

msg349598 - (view)

Author: Christian Biesinger (cbiesinger)

Date: 2019-08-13 18:21

Because FILE* requires that the runtime library matches between Python and a program using it, it is very hard to use this correctly on Windows. It would be nice if Python provided either:

- A function to open a FILE* given a filename, suitable for passing to the various PyRun_* functions, or
- Versions of the functions that take a filename and internally open the file

(ref: https://docs.python.org/3.9/c-api/veryhigh.html, which talks about this but provides no useful guidance:
"One particular issue which needs to be handled carefully is that the FILE structure for different C libraries can be different and incompatible. Under Windows (at least), it is possible for dynamically linked extensions to actually use different libraries, so care should be taken that FILE* parameters are only passed to these functions if it is certain that they were created by the same library that the Python runtime is using."
)

History
Date	User	Action	Args
2022-04-11 14:59:19	admin	set	github: 82025
2021-09-11 10:46:47	iritkatriel	set	type: crash -> enhancement versions: - Python 3.8
2019-08-13 18:21:40	cbiesinger	create