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sqlalchemy_json.py
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sqlalchemy_json.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# __author__ = "José Carrasco"
# __status__ = "Production"
import json, datetime, decimal
def as_json(model):
_json = {}
for col in model._sa_class_manager.mapper.mapped_table.columns:
_json[col.name] = getattr(model, col.name)
return _json
def str_complex_type(value):
if type(value) in (int, float, long, bool):
return str(value)
elif type(value) is unicode:
return value.encode('utf-8')
elif isinstance(value, datetime.date) \
or isinstance(value, datetime.time) \
or isinstance(value, datetime.datetime):
return value.isoformat()
elif isinstance(value, decimal.Decimal):
return str(value)
return value
def as_json_dump(model, default=None):
if not default:
default = str_complex_type
return json.dumps(as_json(model), default=default)
def json_dump(model, default=None):
if not default:
default = str_complex_type
return json.dumps(model,default=default)