Adding stream object to library. Got stream reading loop working. Added test...

Adding stream object to library. Got stream reading loop working. Added test program to watch stream of statuses from commandline.

stream_watcher.py

+import time
+
+import tweepy
+
+def callback(stream_object):
+
+  if 'text' in stream_object:
+    print stream_object['text']
+    
+
+stream = tweepy.Stream('spritzer', 'tweebly', 'omega1987twitter')
+stream.connect(callback)
+
+while True:
+
+  try:
+    if not stream.running:
+      print 'Stream stopped!'
+      break
+
+    time.sleep(1)
+
+  except KeyboardInterrupt:
+    break
+
+stream.disconnect()

tweepy/__init__.py

@@ -12,6 +12,7 @@ from error import TweepError
 from api import API
 from cache import *
 from auth import BasicAuthHandler, OAuthHandler
+from streaming import Stream
 
 # Global, unauthenticated instance of API
 api = API()

tweepy/streaming.py

+# Tweepy
+# Copyright 2009 Joshua Roesslein
+# See LICENSE
+
+import httplib
+from threading import Thread
+
+from . auth import BasicAuthHandler
+
+try:
+  import json
+except ImportError:
+  import simplejson as json
+
+class Stream(object):
+
+  def __init__(self, method, username, password, host='stream.twitter.com', buffer_size=1500):
+    self.method = method if method[0] == '/' else '/' + method
+    self.host = host
+    self.auth = BasicAuthHandler(username, password)
+    self.running = False
+    self.buffer_size = buffer_size
+
+  def _run(self):
+    conn = httplib.HTTPConnection(self.host)
+    headers = {}
+    self.auth.apply_auth(None, None, headers, None)
+    conn.request('POST', self.method + '.json?delimited=length', headers=headers)
+    resp = conn.getresponse()
+    data = ''
+    while self.running:
+      if resp.isclosed():
+        break
+
+      # read length
+      length = ''
+      while True:
+        c = resp.read(1)
+        if c == '\n':
+          break
+        length += c
+      length = length.strip()
+      if length.isdigit():
+        length = int(length)
+      else:
+        continue
+
+      # read data
+      data = resp.read(length)
+      jobject = json.loads(data)
+      self.callback(jobject)
+
+    conn.close()
+    self.running = False
+
+  def connect(self, callback):
+    if self.running:
+      raise TweepError('Stream object already connected!')
+    self.callback = callback
+    self.running = True
+    Thread(target=self._run).start()
+    
+  def disconnect(self):
+    if not self.running:
+      raise TweepError('Stream object not connected!')
+    self.running = False
+