May 2001
Intermediate to advanced
304 pages
6h 12m
English
The aifc module reads and writes AIFF and AIFC audio files (as used on SGI
and Macintosh computers). Example 9-4 shows how it’s used.
Example 9-4. Using the aifc Module
File: SimpleAsyncHTTP.py import asyncore import string, socket import StringIO import mimetools, urlparse class AsyncHTTP(asyncore.dispatcher_with_send): # HTTP requestor def _ _init_ _(self, uri, consumer): asyncore.dispatcher_with_send._ _init_ _(self) self.uri = uri self.consumer = consumer # turn the uri into a valid request scheme, host, path, params, query, fragment = urlparse.urlparse(uri) assert scheme == "http", "only supports HTTP requests" try: host, port = string.split(host, ":", 1) port = int(port) except (TypeError, ValueError): port = 80 # default port if not path: path = "/" if params: path = path + ";" + params if query: path = path + "?" + query self.request = "GET %s HTTP/1.0\r\nHost: %s\r\n\r\n" % (path, host) self.host = host self.port = port self.status = None self.header = None self.data = "" # get things going! self.create_socket(socket.AF_INET, socket.SOCK_STREAM) self.connect((host, port)) def handle_connect(self): # connection succeeded self.send(self.request) def handle_expt(self): # connection failed; notify consumer (status is None) self.close() try: http_header = self.consumer.http_header except AttributeError: pass else: http_header(self) def handle_read(self): data = self.recv(2048) if not self.header: self.data = self.data + data try: i = string.index(self.data, ...
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