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      1 """
      2 websocket - WebSocket client library for Python
      3 
      4 Copyright (C) 2010 Hiroki Ohtani(liris)
      5 
      6     This library is free software; you can redistribute it and/or
      7     modify it under the terms of the GNU Lesser General Public
      8     License as published by the Free Software Foundation; either
      9     version 2.1 of the License, or (at your option) any later version.
     10 
     11     This library is distributed in the hope that it will be useful,
     12     but WITHOUT ANY WARRANTY; without even the implied warranty of
     13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14     Lesser General Public License for more details.
     15 
     16     You should have received a copy of the GNU Lesser General Public
     17     License along with this library; if not, write to the Free Software
     18     Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19     Boston, MA  02110-1335  USA
     20 
     21 """
     22 
     23 
     24 """
     25 define websocket exceptions
     26 """
     27 
     28 
     29 class WebSocketException(Exception):
     30     """
     31     websocket exception class.
     32     """
     33     pass
     34 
     35 
     36 class WebSocketProtocolException(WebSocketException):
     37     """
     38     If the websocket protocol is invalid, this exception will be raised.
     39     """
     40     pass
     41 
     42 
     43 class WebSocketPayloadException(WebSocketException):
     44     """
     45     If the websocket payload is invalid, this exception will be raised.
     46     """
     47     pass
     48 
     49 
     50 class WebSocketConnectionClosedException(WebSocketException):
     51     """
     52     If remote host closed the connection or some network error happened,
     53     this exception will be raised.
     54     """
     55     pass
     56 
     57 
     58 class WebSocketTimeoutException(WebSocketException):
     59     """
     60     WebSocketTimeoutException will be raised at socket timeout during read/write data.
     61     """
     62     pass
     63 
     64 
     65 class WebSocketProxyException(WebSocketException):
     66     """
     67     WebSocketProxyException will be raised when proxy error occurred.
     68     """
     69     pass
     70 
     71 
     72 class WebSocketBadStatusException(WebSocketException):
     73     """
     74     WebSocketBadStatusException will be raised when we get bad handshake status code.
     75     """
     76 
     77     def __init__(self, message, status_code):
     78         super(WebSocketBadStatusException, self).__init__(
     79             message % status_code)
     80         self.status_code = status_code
     81