Fix error generation for missing pgf.texsystem. #26689
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timhoffm
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Sep 4, 2023
| ) from err | ||
| except OSError as err: | ||
| raise RuntimeError( | ||
| f"Error starting process {self.latex.args[0]!r}") from err |
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Does this work? AFAICS, if the try block raises self.latex is not set in this method, i.e. it will be whatever it was before, possibly None?!?
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Oops, there was the same bug there as with the FileNotFoundError case; fixed it too.
If pgf.texsystem isn't installed, then self.latex will not be created *at all* by _setup_latex_process, and we thus cannot access self.latex.args[0], but must instead read the rc value again. To make this clearer, move the error handling into _setup_latex_process, instead of having it outside. No test because that'd require setting up a test env where pgf.texsystem is explicitly *missing* (or go through lots of mocks), which seems not worth it.
timhoffm
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ksunden
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…689-on-v3.8.x Backport PR #26689 on branch v3.8.x (Fix error generation for missing pgf.texsystem.)
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Fix error generation for missing pgf.texsystem. (cherry picked from commit 5f785e3)
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If pgf.texsystem isn't installed, then self.latex will not be created at all by _setup_latex_process, and we thus cannot access self.latex.args[0], but must instead read the rc value again. To make this clearer, move the error handling into _setup_latex_process, instead of having it outside.
No test because that'd require setting up a test env where pgf.texsystem is explicitly missing (or go through lots of mocks), which seems not worth it.
This is (I think) the origin of the AttributeError in #26551.
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