import datetime import decimal import functools import simplejson as json from rhodecode.lib.datelib import is_aware try: import pylons except ImportError: pylons = None __all__ = ['json'] def _obj_dump(obj): """ Custom function for dumping objects to JSON, if obj has __json__ attribute or method defined it will be used for serialization :param obj: """ # See "Date Time String Format" in the ECMA-262 specification. # some code borrowed from django 1.4 if isinstance(obj, set): return list(obj) elif isinstance(obj, datetime.datetime): r = obj.isoformat() if isinstance(obj.microsecond, (int, long)): r = r[:23] + r[26:] if r.endswith('+00:00'): r = r[:-6] + 'Z' return r elif isinstance(obj, datetime.date): return obj.isoformat() elif isinstance(obj, datetime.time): if is_aware(obj): raise TypeError("Time-zone aware times are not JSON serializable") r = obj.isoformat() if isinstance(obj.microsecond, (int, long)): r = r[:12] return r elif hasattr(obj, '__json__'): if callable(obj.__json__): return obj.__json__() else: return obj.__json__ elif isinstance(obj, decimal.Decimal): return str(obj) elif isinstance(obj, complex): return [obj.real, obj.imag] elif pylons and isinstance(obj, pylons.i18n.translation.LazyString): return obj.eval() else: raise TypeError(repr(obj) + " is not JSON serializable") json.dumps = functools.partial(json.dumps, default=_obj_dump, use_decimal=False) json.dump = functools.partial(json.dump, default=_obj_dump, use_decimal=False) # alias for formatted json formatted_json = functools.partial(json.dumps, indent=4, sort_keys=True)