I have a program with a table that pertains to user avatars. The
'f_user_id' field in the table references user ids, and the table contains
upload fields referring to image files and their corresponding thumbnails.
Running the following function produces an error:
def delete_record_by_user_id(self, user_id):
self.db(self.db.auth_avatar.f_user_id == user_id).delete()
The error is:
...
File "...\web2py\gluon\packages\dal\pydal\objects.py", line 2045, in delete
if any(f(self) for f in table._before_delete): return 0
File "...\web2py\gluon\packages\dal\pydal\objects.py", line 2045, in <genexpr>
if any(f(self) for f in table._before_delete): return 0
File "...\web2py\gluon\packages\dal\pydal\objects.py", line 2137, in
delete_uploaded_files
items[2][:2])
IndexError: list index out of range
The error is generated in the delete_uploaded_files() function in pydal's
objects.py.
Some of the entries in the table were missing file references. Deleting the
entries with the missing files made it possible to use my
'delete_record_by_user_id' function with no errors being generated.
A bug that caused a comparable issue
<https://groups.google.com/forum/#!searchin/web2py/delete$20list$20index$20out$20of$20range/web2py/5W8YCe3XAes/xm__GxMTMe8J>
was found some time ago.
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