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7992: Fix call to get_participant_from_event during batch transaction

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During a batch transaction the secondary tables are closed.  This
causes an error when find_backlink_handles is called.  Although
not ideal, we return an empty string for participants.
This commit is contained in:
Nick Hall 2015-03-17 14:02:58 +00:00
parent ec35a5d0cb
commit 13bee7cf26
1 changed files with 10 additions and 11 deletions
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21
gramps/gen/utils/db.py
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@ -260,8 +260,15 @@ def get_participant_from_event(db, event_handle, all_=False):
"""
participant = ""
ellipses = False
result_list = list(db.find_backlink_handles(event_handle,
include_classes=['Person', 'Family']))
try:
result_list = list(db.find_backlink_handles(event_handle,
include_classes=['Person', 'Family']))
except:
# during a magic batch transaction find_backlink_handles tries to
# access the reference_map_referenced_map which is closed
# under those circumstances.
return ''
#obtain handles without duplicates
people = set([x[1] for x in result_list if x[0] == 'Person'])
families = set([x[1] for x in result_list if x[0] == 'Family'])
@ -327,15 +334,7 @@ def navigation_label(db, nav_type, handle):
elif nav_type == 'Event':
obj = db.get_event_from_handle(handle)
if obj:
try:
who = get_participant_from_event(db, handle)
except:
# get_participants_from_event fails when called during a magic
# batch transaction because find_backlink_handles tries to
# access the reference_map_referenced_map which doesn't exist
# under those circumstances. Since setting the navigation_label
# is inessential, just accept this and go on.
who = ''
who = get_participant_from_event(db, handle)
desc = obj.get_description()
label = obj.get_type()
if desc: