58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
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import datetime
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import decimal
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import json as jsonlib
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from .._compat import PY2, integer_types
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long = integer_types[-1]
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class Serializers(object):
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_custom_ = {}
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def _json_parse(self, o):
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if hasattr(o, 'custom_json') and callable(o.custom_json):
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return o.custom_json()
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if isinstance(o, (datetime.date,
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datetime.datetime,
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datetime.time)):
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return o.isoformat()[:19].replace('T', ' ')
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elif isinstance(o, long):
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return int(o)
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elif isinstance(o, decimal.Decimal):
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return str(o)
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elif isinstance(o, set):
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return list(o)
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elif hasattr(o, 'as_list') and callable(o.as_list):
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return o.as_list()
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elif hasattr(o, 'as_dict') and callable(o.as_dict):
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return o.as_dict()
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if self._custom_.get('json') is not None:
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return self._custom_['json'](o)
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raise TypeError(repr(o) + " is not JSON serializable")
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def __getattr__(self, name):
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if self._custom_.get(name) is not None:
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return self._custom_[name]
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raise NotImplementedError("No "+str(name)+" serializer available.")
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def json(self, value):
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value = jsonlib.dumps(value, default=self._json_parse)
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rep28 = r'\u2028'
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rep29 = r'\2029'
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if PY2:
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rep28 = rep28.decode('raw_unicode_escape')
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rep29 = rep29.decode('raw_unicode_escape')
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return value.replace(rep28, '\\u2028').replace(rep29, '\\u2029')
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def yaml(self, value):
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if self._custom_.get('yaml') is not None:
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return self._custom_.get('yaml')(value)
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try:
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from yaml import dump
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except ImportError:
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raise NotImplementedError("No yaml serializer available.")
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return dump(value)
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serializers = Serializers()
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