| 1 | |
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| 2 | """ |
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| 3 | We need something way better. Prefereably serializing to Json. |
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| 4 | |
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| 5 | What are the core objects we need to serialize: |
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| 6 | |
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| 7 | Entities |
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| 8 | Containers |
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| 9 | Keypairs |
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| 10 | |
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| 11 | maybe we should cerealizer, and override methods / supply __getstate__ that follows |
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| 12 | the json format? |
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| 13 | |
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| 14 | """ |
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| 15 | |
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| 16 | |
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| 17 | |
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| 18 | def serialize(obj): |
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| 19 | import pickle,base64 |
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| 20 | return base64.b64encode(pickle.dumps(obj)) |
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| 21 | |
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| 22 | |
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| 23 | def deserialize(data): |
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| 24 | """ |
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| 25 | >>> import tests |
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| 26 | >>> i = tests.makeIssuer() |
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| 27 | >>> s = serialize(i) |
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| 28 | >>> i2 = deserialize(s) |
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| 29 | >>> i2.signedKeys = i.signedKeys |
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| 30 | """ |
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| 31 | import pickle,base64 |
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| 32 | return pickle.loads(base64.b64decode(data)) |
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| 33 | |
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| 34 | import json,entities,containers |
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| 35 | |
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| 36 | "lets write <Class json>" |
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| 37 | class MyJsonWriter(json.JsonWriter): |
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| 38 | def _write(self, obj): |
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| 39 | try: |
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| 40 | json.JsonWriter._write(self,obj) |
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| 41 | except json.WriteException: |
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| 42 | if isinstance(obj,entities.Entity) or isinstance(obj,containers.Container): |
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| 43 | self._append("%s %s>" % (str(obj.__class__)[:-1],obj.toJson())) |
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| 44 | else: |
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| 45 | raise WriteException, "Cannot write in JSON: %s" % repr(obj) |
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| 46 | |
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| 47 | |
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| 48 | class MyJsonReader(json.JsonReader): |
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| 49 | |
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| 50 | def _read(self): |
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| 51 | self._eatWhitespace() |
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| 52 | peek = self._peek() |
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| 53 | if peek is None: |
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| 54 | raise ReadException, "Nothing to read: '%s'" % self._generator.all() |
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| 55 | if peek == '{': |
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| 56 | return self._readObject() |
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| 57 | elif peek == '[': |
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| 58 | return self._readArray() |
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| 59 | elif peek == '"': |
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| 60 | return self._readString() |
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| 61 | elif peek == '-' or peek.isdigit(): |
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| 62 | return self._readNumber() |
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| 63 | elif peek == 't': |
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| 64 | return self._readTrue() |
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| 65 | elif peek == 'f': |
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| 66 | return self._readFalse() |
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| 67 | elif peek == 'n': |
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| 68 | return self._readNull() |
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| 69 | elif peek == '/': |
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| 70 | self._readComment() |
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| 71 | return self._read() |
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| 72 | elif peek == '<': |
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| 73 | self._readClass() |
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| 74 | else: |
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| 75 | raise ReadException, "Input is not valid JSON: '%s'" % self._generator.all() |
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| 76 | |
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| 77 | |
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| 78 | def _readClass(self): |
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| 79 | pass |
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| 80 | |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | |
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| 85 | |
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| 86 | if __name__ == "__main__": |
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| 87 | import doctest |
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| 88 | doctest.testmod(optionflags=doctest.ELLIPSIS) |
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