Disable writing parsetab files to disk.#207
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Can one of the admins verify this patch? |
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(Full disclosure, I haven't tested this at all because I'm not sure how to.) |
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Bump! Any feedback on this PR? |
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Bump! |
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Bump! Can anyone take a look? |
This fixes mailgun#206. Before this change, when multiple Python processes are simultaneously doing a `from flanker.addresslib import address`, it's possible for some of them to crash in `ply` code. See dabeaz/ply#184, where I attempted to work around this issue by changing ply. You can see in this comment: dabeaz/ply#184 (comment) that the author of ply suggests two workarounds for this issue: 1. Remove `ply` as a dependency in setup.py and copy the source code of `ply` into `flanker`. 2. Disable writing parsetab files to disk when invoking `yacc`. 2) seemed like the simpler solution to me, so that's what I've done here.
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Bump! Anyone got some time to take a look at this? |
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I'm running into this crash as well. Thanks for the work @jfly . |
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This fixes #206.
Before this change, when multiple Python processes are simultaneously
doing a
from flanker.addresslib import address, it's possible for someof them to crash in
plycode.See dabeaz/ply#184, where
I attempted to work around this issue by changing ply. You can see in this comment: dabeaz/ply#184 (comment) that the author of ply suggests two workarounds for this issue:
plyas a dependency in setup.py and copy the source code ofplyintoflanker.yacc.here.