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Viewing changes to lib/common/chat.py

  • Committer: mattgiuca
  • Date: 2008-02-14 00:49:06 UTC
  • Revision ID: svn-v3-trunk0:2b9c9e99-6f39-0410-b283-7f802c844ae2:trunk:450
Set svn:ignore on a a few more things.

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lib/common/chat.py
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import cjson
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import cStringIO
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import md5
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import sys
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import os
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import socket
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import traceback
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class Terminate(Exception):
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    """Exception thrown when server is to be shut down. It will attempt to sned 
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    the final_response to the client and then exits"""
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    def __init__(self, final_response=None):
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        self.final_response = final_response
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    def __str__(self):
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        return repr(self.final_response)
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def start_server(port, magic, daemon_mode, handler, initializer = None):
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    # Attempt to open the socket.
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            conn.sendall(cjson.encode(response))
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            conn.close()
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        except Terminate, t:
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            # Try and send final response and then terminate
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            if t.final_response:
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                conn.sendall(cjson.encode(t.final_response))
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            conn.close()
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            sys.exit(0)
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        except Exception:
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            # Make a JSON object full of exceptional goodness
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            tb_dump = cStringIO.StringIO()
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            e_type, e_val, e_tb = sys.exc_info()
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            traceback.print_tb(e_tb, file=tb_dump)
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            json_exc = {
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                "type": e_type.__name__,
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                "value": str(e_val),
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                "traceback": tb_dump.getvalue()
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            }
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            conn.sendall(cjson.encode(json_exc))
 
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        except Exception, e:
 
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            conn.sendall(cjson.encode(repr(e)))
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            conn.close()
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    while blk:
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        buf.write(blk)
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        try:
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            blk = sok.recv(1024, socket.MSG_DONTWAIT)
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        except socket.error, e:
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            if e[0] != 11:
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                raise
 
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            blk = conn.recv(1024, socket.MSG_DONTWAIT)
 
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        except:
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            # Exception thrown if it WOULD block (but we
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            # told it not to wait) - ie. we are done
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            blk = None