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e3c4848c26403c3537a619fd6a9c426b91607839
[etc/taskwarrior.git] / pirate_add_shift_recurrence.py
1 #!/usr/bin/python
2
3 import sys
4 import os
5 from tasklib.task import TaskWarrior
6
7 time_attributes = ('wait', 'until', 'scheduled')
8
9 def is_new_local_recurrence_child_task(task):
10     # Do not affect tasks not spun by recurrence
11     if not task['parent']:
12         return False
13
14     # Newly created recurrence tasks actually have
15     # modified field copied from the parent, thus
16     # older than entry field (until their ID is generated)
17     if (task['modified'] - task['entry']).total_seconds() < 0:
18         return True
19
20 tw = TaskWarrior(data_location=os.path.dirname(os.path.dirname(sys.argv[0])))
21
22 def hook_shift_recurrence(task):
23     if is_new_local_recurrence_child_task(task):
24         parent = tw.tasks.get(uuid=task['parent'])
25         parent_due_shift = task['due'] - parent['due']
26         for attr in time_attributes:
27             if parent[attr]:
28                 task[attr] = parent[attr] + parent_due_shift