jubakit.loader.twitter のソースコード

# -*- coding: utf-8 -*-

from __future__ import absolute_import, division, print_function, unicode_literals

import os
import threading

try:
  # Python 3
  import queue
except ImportError:
  # Python 2
  import Queue as queue

import tweepy.auth
from tweepy.streaming import StreamListener, Stream
from tweepy.auth import OAuthHandler
import jq

from ..base import BaseLoader
from ..compat import *

[ドキュメント]class TwitterStreamLoader(BaseLoader): """ Loader to process Twitter Stream. Loads statuses only; other type of messages such as direct messages and warnings are just ignored. ``tweepy`` and ``jq`` package must be installed to use this loader. """ # Keys frequently used are pre-defined. # You can optionally specify a list of custom keys (in `jq` selector syntax). STATUS_KEYS = [ # Tweet '.id_str', # Unique ID '.text', # Content '.lang', # Language '.favorite_count', # Num. of favs '.retweet_count', # Num. of RTs '.timestamp_ms', # Timestamp # User (the author of the tweet) '.user.id', # Unique ID '.user.name', # Name '.user.screen_name', # Account (without @ sign) '.user.description', # Profile (bio) '.user.lang', # Language '.user.statuses_count', # Num. of tweets '.user.friends_count', # Num. of followings '.user.followers_count', # Num. of followers '.user.favourites_count', # Num. of favs '.user.listed_count', # Num. of lists author appears ] # Stream Modes: SAMPLE = 'sample' FILTER = 'filter' FIREHOSE = 'firehose' USER = 'user' SITE = 'site'
[ドキュメント] def __init__(self, auth=None, mode=SAMPLE, keys=STATUS_KEYS, count=None, **kwargs): if auth is None: auth = TwitterOAuthHandler() self._listener = _TwitterStreamListener(self, keys) self._stream = tweepy.streaming.Stream(auth.get(), self._listener, secure=True) self._count = count self._queue = queue.Queue() start_stream = { self.SAMPLE: self._stream.sample, self.FILTER: self._stream.filter, self.FIREHOSE: self._stream.firehose, self.USER: self._stream.userstream, self.SITE: self._stream.sitestream, }.get(mode, None) if start_stream is None: raise RuntimeError('unknown stream mode: {0}'.format(mode)) kwargs['async'] = False self._thread = threading.Thread(target=start_stream, kwargs=kwargs) self._thread.daemon = True
[ドキュメント] def is_infinite(self): return self._count is None
def _on_event(self, event): self._queue.put(event)
[ドキュメント] def rows(self): self._thread.start() exception = None try: i = 0 while True: self._listener.check_error() try: yield self._queue.get(True, 1) except queue.Empty: continue self._queue.task_done() i += 1 if self._count is not None and self._count <= i: break finally: self._stream.disconnect() self._thread.join()
class _TwitterStreamListener(tweepy.streaming.StreamListener): def __init__(self, loader, keys): self._loader = loader self._keys = keys self._error = None super(_TwitterStreamListener, self).__init__() def check_error(self): if self._error: raise self._error def on_status(self, status): row = dict([(key, jq.jq(key).transform(status._json)) for key in self._keys]) self._loader._on_event(row) def on_error(self, status_code): self._error = RuntimeError('Twitter Streaming API returned HTTP error {0}'.format(status_code)) def on_exception(self, exception): self._error = exception
[ドキュメント]class TwitterOAuthHandler(object): """ Handles authentication required to access Twitter Streaming API. """
[ドキュメント] def __init__(self, **kwargs): """ Authentication information must be specified as follows: >>> TwitterOAuth( ... consumer_key='XXXXXXXXXXXXXXXXXXXX', ... consumer_secret='XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX', ... access_token='XXXXXXXX-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX', ... access_secret='XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX', ... ) If some of keys are not specified, environmenet variables (TWITTER_CONSUMER_KEY etc.) will automatically be used. You can get your key by registering your app on: https://apps.twitter.com/ """ self._kwargs = kwargs
def _v(self, key): if key in self._kwargs: return self._kwargs[key] envkey = 'TWITTER_{0}'.format(key.upper()) if envkey in os.environ: return os.environ[envkey] raise RuntimeError('missing authentication information: {0} must be specified as a constructor argument or environment variable ({1})'.format(key, envkey))
[ドキュメント] def get(self): auth = tweepy.auth.OAuthHandler(self._v('consumer_key'), self._v('consumer_secret')) auth.set_access_token(self._v('access_token'), self._v('access_secret')) return auth