https://bugzilla.wikimedia.org/show_bug.cgi?id=48012
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Bug ID: 48012
Summary: Better error handling for worker.py
Product: MediaWiki
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: enhancement
Priority: Unprioritized
Component: Export/Import
Assignee: [email protected]
Reporter: [email protected]
Classification: Unclassified
Mobile Platform: ---
Problem:
When I tried to dump database while the path to gzip executable was
misconfigured, script didn’t exit immediately (since it cannot continue in a
meaningful way), only printed the error and continued along, even though it
could not do anything.
Explanation:
Looking into the current error handling, I saw it is set up to pass pass
exceptions to python default exception handler. That is sufficient only when
errors are non-fatal. But when fatal error occurs, if the script does not exit
immediately, it starts spewing non-relevant error information and ultimately
confuses the user.
Proposed solution:
Create another error handler (exception handler) for fatal errors, that would
output the error message and exit the script on spot.
In the attachment is a simple implementation of error handler for fatal errors
as well as fix for the issue described above on the spot where it was noticed.
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