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Move assert_not_deleted to worms.

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voussoir 2021-10-02 12:45:17 -07:00
parent 129eb3f8aa
commit 39d6140138
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1 changed files with 14 additions and 0 deletions
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14
voussoirkit/worms.py
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@ -17,6 +17,12 @@ class WormException(Exception):
class BadTable(WormException):
pass
class DeletedObject(WormException):
'''
For when thing.deleted == True.
'''
pass
def slice_before(li, item):
index = li.index(item)
return li[:index]
@ -489,6 +495,7 @@ class Object:
def __init__(self, database):
# Used for transaction
self._worms_database = database
self.deleted = False
def __reinit__(self):
'''
@ -517,3 +524,10 @@ class Object:
def __hash__(self):
return hash(f'{self.table}.{self.id}')
def assert_not_deleted(self) -> None:
'''
Raises DeletedObject if this object is deleted.
'''
if self.deleted:
raise DeletedObject(self)