def test_not_implemented_callable_raises_exception_with_given_message(self):
try:
not_implemented('foo')()
except RuntimeError as e:
msg = e.args[0]
else:
msg = 'bar'
self.assertEqual('foo', msg)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
MsgPack serializer
"""
import importlib
from pygrapes.serializer.abstract import Abstract
from pygrapes.util import not_implemented
# discover parser
try:
t = importlib.import_module("msgpack")
_decode = getattr(t, "loads")
_encode = getattr(t, "dumps")
except ImportError:
_decode = _encode = not_implemented("A MsgPack module is required!")
class MsgPack(Abstract):
"""
Msgpack serializer
"""
def loads(self, data):
"""
Method converts given string to internal objects
"""
return _decode(data)
def dumps(self, data):
"""
#!/usr/bin/env python
# -*- coding: utf-8 -*-
__author__ = "mib"
__date__ = "$2011-01-22 12:02:41$"
from pygrapes.util import not_implemented
from pygrapes.adapter.abstract import Abstract
from pygrapes.adapter.local import Local
try:
from pygrapes.adapter.zeromq import Zmq
except ImportError:
Zmq = not_implemented('A working pyzmq lib is required!')
try:
from pygrapes.adapter.amqp import Amqp
except ImportError:
Amqp = not_implemented('A working amqplib lib is required!')
__all__ = ['Abstract', 'Amqp', 'Local', 'Zmq']
def test_not_implemented_callable_raises_runtime_error(self):
self.assertRaises(RuntimeError, not_implemented(None))
def test_not_implemented_returns_callable(self):
self.assertTrue(isinstance(not_implemented(None), collections.Callable))
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
JSON serializer
"""
import importlib
from pygrapes.serializer.abstract import Abstract
from pygrapes.util import not_implemented
# discover JSON parser
_implementations = [('json', 'loads', 'dumps'), ('cjson', 'decode', 'encode'), \
('simplejson', 'loads', 'dumps'), ('django.utils.simplejson', 'loads', \
'dumps')]
_decode = _encode = not_implemented('A JSON parser is required!')
for (module, loads, dumps) in _implementations:
try:
t = importlib.import_module(module)
_decode = getattr(t, loads)
_encode = getattr(t, dumps)
break
except ImportError:
pass
class Json(Abstract):
"""
JSON serializer
"""