Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/protocols/shoutcast.py

-# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-
-"""Chop up shoutcast stream into MP3s and metadata, if available."""
-
-from twisted.web import http
-from twisted import copyright
-
-
-class ShoutcastClient(http.HTTPClient):
-    """Shoutcast HTTP stream.
-
-    Modes can be 'length', 'meta' and 'mp3'.
-
-    See http://www.smackfu.com/stuff/programming/shoutcast.html
-    for details on the protocol.
-    """
-
-    userAgent = "Twisted Shoutcast client " + copyright.version
-
-    def __init__(self, path="/"):
-        self.path = path
-        self.got_metadata = False
-        self.metaint = None
-        self.metamode = "mp3"
-        self.databuffer = ""
-        
-    def connectionMade(self):
-        self.sendCommand("GET", self.path)
-        self.sendHeader("User-Agent", self.userAgent)
-        self.sendHeader("Icy-MetaData", "1")
-        self.endHeaders()
-        
-    def lineReceived(self, line):
-        # fix shoutcast crappiness
-        if not self.firstLine and line:
-            if len(line.split(": ", 1)) == 1:
-                line = line.replace(":", ": ", 1)
-        http.HTTPClient.lineReceived(self, line)
-    
-    def handleHeader(self, key, value):
-        if key.lower() == 'icy-metaint':
-            self.metaint = int(value)
-            self.got_metadata = True
-
-    def handleEndHeaders(self):
-        # Lets check if we got metadata, and set the
-        # appropriate handleResponsePart method.
-        if self.got_metadata:
-            # if we have metadata, then it has to be parsed out of the data stream
-            self.handleResponsePart = self.handleResponsePart_with_metadata
-        else:
-            # otherwise, all the data is MP3 data
-            self.handleResponsePart = self.gotMP3Data
-
-    def handleResponsePart_with_metadata(self, data):
-        self.databuffer += data
-        while self.databuffer:
-            stop = getattr(self, "handle_%s" % self.metamode)()
-            if stop:
-                return
-
-    def handle_length(self):
-        self.remaining = ord(self.databuffer[0]) * 16
-        self.databuffer = self.databuffer[1:]
-        self.metamode = "meta"
-    
-    def handle_mp3(self):
-        if len(self.databuffer) > self.metaint:
-            self.gotMP3Data(self.databuffer[:self.metaint])
-            self.databuffer = self.databuffer[self.metaint:]
-            self.metamode = "length"
-        else:
-            return 1
-    
-    def handle_meta(self):
-        if len(self.databuffer) >= self.remaining:
-            if self.remaining:
-                data = self.databuffer[:self.remaining]
-                self.gotMetaData(self.parseMetadata(data))
-            self.databuffer = self.databuffer[self.remaining:]
-            self.metamode = "mp3"
-        else:
-            return 1
-
-    def parseMetadata(self, data):
-        meta = []
-        for chunk in data.split(';'):
-            chunk = chunk.strip().replace("\x00", "")
-            if not chunk:
-                continue
-            key, value = chunk.split('=', 1)
-            if value.startswith("'") and value.endswith("'"):
-                value = value[1:-1]
-            meta.append((key, value))
-        return meta
-    
-    def gotMetaData(self, metadata):
-        """Called with a list of (key, value) pairs of metadata,
-        if metadata is available on the server.
-
-        Will only be called on non-empty metadata.
-        """
-        raise NotImplementedError, "implement in subclass"
-    
-    def gotMP3Data(self, data):
-        """Called with chunk of MP3 data."""
-        raise NotImplementedError, "implement in subclass"
-
-
-if __name__ == '__main__':
-    class Test(ShoutcastClient):
-        def gotMetaData(self, data): print "meta:", data
-        def gotMP3Data(self, data): pass
-    
-    from twisted.internet import protocol, reactor
-    import sys
-    protocol.ClientCreator(reactor, Test).connectTCP(sys.argv[1], int(sys.argv[2]))
-    reactor.run()