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linecache cannot get source for the __main__ module with a custom loader #86291
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If a module has a loader, linecache calls its get_source() passing __name__ as the argument. This works most of the time, except that the __main__ module has it set to "__main__", which is commonly not the real name of the module. Luckily, we now have __spec__ which has the real name, so we can just use it. Attached zip file reproduces the problem:
$ python t.zip
Traceback (most recent call last):
...
File "t.zip/t.py", line 11, in <module>
File "t.zip/t.py", line 8, in f
File "t.zip/t.py", line 8, in f
File "t.zip/t.py", line 8, in f
[Previous line repeated 2 more times]
File "t.zip/t.py", line 7, in f
ValueError Note that entries from t.py don't have source code lines. |
serhiy-storchaka
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…2908) This allows getting source code for the __main__ module when a custom loader is used.
miss-islington
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…pythonGH-22908) This allows getting source code for the __main__ module when a custom loader is used. (cherry picked from commit e976bab) Co-authored-by: Eugene Toder <eltoder@users.noreply.github.com>
miss-islington
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…pythonGH-22908) This allows getting source code for the __main__ module when a custom loader is used. (cherry picked from commit e976bab) Co-authored-by: Eugene Toder <eltoder@users.noreply.github.com>
This was referenced Feb 20, 2024
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…pythonGH-22908) This allows getting source code for the __main__ module when a custom loader is used.
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…pythonGH-22908) This allows getting source code for the __main__ module when a custom loader is used.
LukasWoodtli
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…pythonGH-22908) This allows getting source code for the __main__ module when a custom loader is used.
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