X-Git-Url: https://jfr.im/git/z_archive/twitter.git/blobdiff_plain/04478c23fb617caf852881bf2ca56578e896134c..02bce531b4d36f3529feb1b784b6a62ac2a07597:/twitter/stream.py diff --git a/twitter/stream.py b/twitter/stream.py index 83079d5..41124dd 100644 --- a/twitter/stream.py +++ b/twitter/stream.py @@ -17,12 +17,35 @@ class TwitterJSONIter(object): def __init__(self, handle, uri, arg_data, block=True, timeout=None): self.decoder = json.JSONDecoder() self.handle = handle + self.uri = uri + self.arg_data = arg_data self.buf = b"" self.block = block self.timeout = timeout self.timer = time.time() + def recv_chunk(self, sock): + buf = sock.recv(32) + if buf: + crlf = buf.find(b'\r\n') # Find the HTTP chunk size. + if crlf > 0: + remaining = int(buf[:crlf].decode(), 16) # Decode the chunk size. + chunk = bytearray(buf[crlf + 2:]) # Create the chunk buffer. + remaining -= len(chunk) + + while remaining > 0: + balance = sock.recv(remaining + 2) # Add the length of the chunk's CRLF pair. + if balance: + chunk.extend(balance) + remaining -= len(balance) + # If possible, remove the trailing CRLF pair. (This precludes an extra trip through the JSON parser.) + if remaining == -2 and chunk[-2] == 0x0d and chunk[-1] == 0x0a: + del chunk[-2:] + return chunk + return b'' + + def __iter__(self): if sys.version_info >= (3, 0): sock = self.handle.fp.raw._sock @@ -44,26 +67,26 @@ class TwitterJSONIter(object): pass else: yield None - except urllib_error.HTTPError as e: - raise TwitterHTTPError(e, uri, self.format, arg_data) # this is a non-blocking read (ie, it will return if any data is available) try: if self.timeout: ready_to_read = select.select([sock], [], [], self.timeout) if ready_to_read[0]: - self.buf += sock.recv(1024) + self.buf += self.recv_chunk(sock) if time.time() - self.timer > self.timeout: yield {"timeout":True} else: yield {"timeout":True} else: - self.buf += sock.recv(1024) + self.buf += self.recv_chunk(sock) except SSLError as e: if (not self.block or self.timeout) and (e.errno == 2): # Apparently this means there was nothing in the socket buf pass else: raise + except urllib_error.HTTPError as e: + raise TwitterHTTPError(e, self.uri, 'json', self.arg_data) def handle_stream_response(req, uri, arg_data, block, timeout=None): handle = urllib_request.urlopen(req,) @@ -119,4 +142,4 @@ class TwitterStream(TwitterStreamCall): TwitterStreamCall.__init__( self, auth=auth, format="json", domain=domain, callable_cls=call_cls, - secure=secure, uriparts=uriparts, timeout=timeout) + secure=secure, uriparts=uriparts, timeout=timeout, gzip=False)