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# Copyright (C) 2009  Internet Systems Consortium. 

# 

# Permission to use, copy, modify, and distribute this software for any 

# purpose with or without fee is hereby granted, provided that the above 

# copyright notice and this permission notice appear in all copies. 

# 

# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SYSTEMS CONSORTIUM 

# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL 

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL 

# INTERNET SYSTEMS CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, 

# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING 

# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 

# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 

# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 

 

# 

# Functions for reading and parsing cc messages 

# Currently these are only abstraction functions for JSON conversion. 

# 

 

import sys 

import struct 

 

import json 

 

def to_wire(items): 

    '''Encodes the given python structure in JSON, and converts the 

       result to bytes. Raises a TypeError if the given structure is 

       not serializable with JSON.''' 

    return json.dumps(items).encode('utf8') 

 

def from_wire(data): 

    '''Decodes the given bytes and parses it with the builtin JSON 

       parser. Raises a ValueError if the data is not valid JSON. 

       Raises an AttributeError if the given object has no decode() 

       method (which should return a string). 

       ''' 

    return json.loads(data.decode('utf8'), strict=False) 

 

41if __name__ == "__main__": 

    import doctest 

    doctest.testmod()