from .api import TwitterCall, wrap_response, TwitterHTTPError
-def recv_chunk(sock): # -> bytearray:
+python27_3 = sys.version_info >= (2, 7)
+def recv_chunk(sock): # -> bytearray:
header = sock.recv(8) # Scan for an up to 16MiB chunk size (0xffffff).
crlf = header.find(b'\r\n') # Find the HTTP chunk size.
else: # There is more to read in the chunk.
end = len(header) - start
chunk[:end] = header[start:]
- buffer = memoryview(chunk)[end:] # Create a view into the bytearray to hold the rest of the chunk.
- sock.recv_into(buffer)
+ if python27_3: # When possible, use less memory by reading directly into the buffer.
+ buffer = memoryview(chunk)[end:] # Create a view into the bytearray to hold the rest of the chunk.
+ sock.recv_into(buffer)
+ else: # less efficient for python2.6 compatibility
+ chunk[end:] = sock.recv(max(0, size - end))
sock.recv(2) # Read the trailing CRLF pair. Throw it away.
return chunk
return bytearray()
-## recv_chunk()
-
class TwitterJSONIter(object):
res, ptr = json_decoder.raw_decode(buf)
buf = buf[ptr:]
yield wrap_response(res, self.handle.headers)
- timer = time.time()
continue
except ValueError as e:
if self.block: pass
else: yield None
try:
buf = buf.lstrip() # Remove any keep-alive delimiters to detect hangups.
- if self.timeout:
+ if self.timeout and not buf: # This is a non-blocking read.
ready_to_read = select.select([sock], [], [], self.timeout)
- if ready_to_read[0]:
- buf += recv_chunk(sock).decode('utf-8') # This is a non-blocking read.
- if time.time() - timer > self.timeout:
- yield {'timeout': True}
- else: yield {'timeout': True}
- else:
- buf += recv_chunk(sock).decode('utf-8')
- if not buf and self.block:
+ if not ready_to_read[0] and time.time() - timer > self.timeout:
+ yield {'timeout': True}
+ continue
+ timer = time.time()
+ buf += recv_chunk(sock).decode('utf-8')
+ if not buf:
yield {'hangup': True}
break
except SSLError as e: