jpt-archive/django-mergeobject-experimental
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fixes for Django 1.7

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This commit is contained in:
James Turk 2015-05-29 15:15:36 -04:00
parent bd01e38f35
commit 2c69a6dda1
2 changed files with 13 additions and 13 deletions
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24
fkreplace/__init__.py
View File

@ -1,4 +1,5 @@
from django.core.exceptions import ObjectDoesNotExist
from django.db import models
class MergeException(Exception):
@ -25,10 +26,8 @@ def merge(from_obj, to_obj, one_to_one_conflict=ERROR):
accessor_name = related.get_accessor_name()
varname = related.field.name
if related.multiple:
field = getattr(from_obj, accessor_name)
field.all().update(**{varname: to_obj})
elif related.one_to_one:
# in Django 1.8 can test for related.one_to_one
if isinstance(related.field, models.OneToOneField):
try:
field = getattr(from_obj, accessor_name)
try:
@ -36,14 +35,12 @@ def merge(from_obj, to_obj, one_to_one_conflict=ERROR):
if one_to_one_conflict == KEEP:
pass # do nothing
elif one_to_one_conflict == DELETE:
# if null:
# setattr(to_field, varname, None)
# to_field.save()
to_field.delete()
setattr(field, varname, to_obj)
field.save()
else:
raise OneToOneConflict("both fields have an attribute set for {}".format(accessor_name))
raise OneToOneConflict(
"both fields have an attribute set for {}".format(accessor_name))
except ObjectDoesNotExist:
# doesn't exist, safe to overwrite
setattr(field, varname, to_obj)
@ -51,6 +48,10 @@ def merge(from_obj, to_obj, one_to_one_conflict=ERROR):
except ObjectDoesNotExist:
# from_obj one to one isn't set, skip
pass
# in Django 1.8 can test for related.multiple
elif isinstance(related.field, models.ForeignKey):
field = getattr(from_obj, accessor_name)
field.all().update(**{varname: to_obj})
else:
raise NotImplementedError('unexpected relation type, please file a bug')
@ -63,7 +64,6 @@ def merge(from_obj, to_obj, one_to_one_conflict=ERROR):
accessor_name = varname
field = getattr(from_obj, accessor_name)
if related.many_to_many:
for f in field.all():
getattr(f, varname).remove(from_obj)
getattr(f, varname).add(to_obj)
for f in field.all():
getattr(f, varname).remove(from_obj)
getattr(f, varname).add(to_obj)

2
tox.ini
View File

@ -1,5 +1,5 @@
[tox]
envlist = py27-django18, py34-django18, flake8
envlist = py27-django17, py34-django17, py27-django18, py34-django18, flake8
[testenv:flake8]
deps = flake8