Last modified: 2014-11-09 20:57:31 UTC

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Bug 62261 - Throw specific error instead of generic APIError if claim target is deleted
Throw specific error instead of generic APIError if claim target is deleted
Status: NEW
Product: Pywikibot
Classification: Unclassified
Wikidata (Other open bugs)
core-(2.0)
All All
: High minor
: ---
Assigned To: John Mark Vandenberg
:
Depends on:
Blocks: pwb20
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Reported: 2014-03-05 16:34 UTC by FelixReimann
Modified: 2014-11-09 20:57 UTC (History)
1 user (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description FelixReimann 2014-03-05 16:34:05 UTC 
If adding a claim, two types of errors are thrown in case of a deleted item:

item = pywikibot.ItemPage(repo, "Q726")
target = pywikibot.ItemPage(repo, "Q14854094")
c = pywikibot.Claim(repo, u'P171')
c.addTarget(target)
item.addClaim(c) # Error if item or target were deleted

At the last line, you get either

pywikibot.exceptions.NoPage: Page [[wikidata:-1]] doesn't exist.

if item (Q726) has been deleted or

pywikibot.data.api.APIError: invalid-snak-value: Q14854094 not found

if the target (Q14854094) has been deleted.

It would be great, if for the latter a specific "InvalidValueError" or similar would be thrown. Then, the error could be caught and handled specifically without the need to parse the (possibly changing) API error message itself.
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