def _find_referrer(obj, refattrs):
refs = []
igt = obj.igt if hasattr(obj, 'igt') else obj
refd = ref.referrers(igt, obj.id, refattrs=refattrs)
# sort for now because ref.referents doesn't return document order
for ra, ids in sorted(refd.items()):
refs.extend(igt.get_any(_id) for _id in ids)
return refs
def referrers(self, id, refattrs=None):
if refattrs is None:
return self._referrer_cache.get(id, {})
else:
return ref.referrers(self, id, refattrs=refattrs)
def referrers(self, id, refattrs=None):
if refattrs is None:
return self._referrer_cache.get(id, {})
else:
return ref.referrers(self, id, refattrs=refattrs)
def test_referrers(self):
assert ref.referrers(self.xc1[0], 'p', refattrs=('alignment',)) == {'alignment': []}
assert ref.referrers(self.xc1[0], 'p1', refattrs=('alignment',)) == {'alignment': []}
assert ref.referrers(self.xc2[0], 'p', refattrs=('alignment',)) == {'alignment': ['t']}
assert ref.referrers(self.xc2[0], 'p1', refattrs=('alignment',)) == {'alignment': ['t1']}
assert ref.referrers(self.xc3[0], 'p', refattrs=('alignment', 'segmentation')) == {'alignment': ['t'], 'segmentation': ['w']}
assert ref.referrers(self.xc3[0], 'p') == {'alignment': ['t'], 'segmentation': ['w'], 'content': []}
assert ref.referrers(self.xc3[0], 'w') == {'alignment': ['x'], 'segmentation': ['m'], 'content': []}
assert ref.referrers(self.xc3[0], 'm') == {'alignment': ['g'], 'segmentation': [], 'content': []}
assert ref.referrers(self.xc3[0], 'x') == {'alignment': [], 'segmentation': [], 'content': []}
assert ref.referrers(self.xc3[0], 'x', refattrs=('alignment', 'children')) == {'alignment': [], 'children': ['x']}
assert ref.referrers(self.xc3[0], 'x1', refattrs=('alignment', 'children')) == {'alignment': [], 'children': ['x4']}