Created
June 20, 2015 16:02
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recursiveness - parent_ids
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data = [{ | |
'id' : 1, | |
'title' : 'root', | |
'parent_id' : 'DRIVE', | |
'isroot' : True, | |
'abs_path' : 'root' | |
}, | |
{ | |
'id' : 2, | |
'parent_id' : 'DRIVE', | |
'title' : 'root2', | |
'isroot' : True, | |
'abs_path' : 'root2' | |
}, | |
{ | |
'id' : 3, | |
'parent_id' : 2, | |
'title' : '2nd-root2', | |
'isroot' : False, | |
'abs_path' : '' | |
}, | |
{ | |
'id' : 4, | |
'parent_id' : 3, | |
'title' : '3rd-root2', | |
'isroot' : False, | |
'abs_path' : '' | |
}, | |
{ | |
'id' : 5, | |
'parent_id' : 1, | |
'title' : '2nd-root', | |
'isroot' : False, | |
'abs_path' : '' | |
}, | |
{ | |
'id' : 6, | |
'parent_id' : 1, | |
'title' : '2nd-2-root', | |
'isroot' : False, | |
'abs_path' : '' | |
}, | |
{ | |
'id' : 7, | |
'parent_id' : 6, | |
'title' : '3rd-2-root', | |
'isroot' : False, | |
'abs_path' : '' | |
}, | |
{ | |
'id' : 8, | |
'parent_id' : 7, | |
'title' : '4rd-2-root', | |
'isroot' : False, | |
'abs_path' : '' | |
}, | |
] | |
def discover(root, data): | |
if not root: | |
for d in data: | |
if d['isroot']: | |
discover(d, data) | |
else: | |
for d in data: | |
if root['id'] == d['parent_id']: | |
if not d['abs_path']: | |
if root['isroot']: | |
d['abs_path'] += '%s/%s' % (root['title'], d['title']) | |
else: | |
d['abs_path'] += '%s/%s' % (root['abs_path'], d['title']) | |
discover(d, data) | |
discover(None, data) | |
for d in data: | |
print d['title'], d['abs_path'] |
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