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mitsuhiko/gist:2594874

Created May 4, 2012 13:43
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This destroys data :-(
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gistfile1.py
class Model(object):
...
def save(self, ops=None):
ops = dict(ops or ())
for column in self.modified_columns:
ops.setdefault('$set', {})[column] = self.data[column]
rv = self.collection.find_and_modify({'_id': self.id}, ops)
self.data.update(rv)
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