from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
from iri_tweet import models, utils
from iri_tweet.models import TweetSource, TweetLog, ProcessEvent
from iri_tweet.processor import get_processor
from multiprocessing import Queue as mQueue, Process, Event
from sqlalchemy.exc import OperationalError
from sqlalchemy.orm import scoped_session
import Queue
import StringIO
import anyjson
import argparse
import datetime
import inspect
import iri_tweet.stream
import logging
import os
import re
import requests_oauthlib
import shutil
import signal
import socket
import sqlalchemy.schema
import sys
import thread
import threading
import time
import traceback
import urllib2
socket._fileobject.default_bufsize = 0
# columns_tweet = [u'favorited', u'truncated', u'text', u'created_at', u'source', u'in_reply_to_status_id', u'in_reply_to_screen_name', u'in_reply_to_user_id', u'geo', u'id', u'user']
columns_tweet = [u'user', u'favorited', u'contributors', u'truncated', u'text', u'created_at', u'retweeted', u'in_reply_to_status_id_str', u'coordinates', u'in_reply_to_user_id_str', u'entities', u'in_reply_to_status_id', u'place', u'in_reply_to_user_id', u'id', u'in_reply_to_screen_name', u'retweet_count', u'geo', u'id_str', u'source']
# columns_user = [u'id', u'verified', u'profile_sidebar_fill_color', u'profile_text_color', u'followers_count', u'protected', u'location', u'profile_background_color', u'utc_offset', u'statuses_count', u'description', u'friends_count', u'profile_link_color', u'profile_image_url', u'notifications', u'geo_enabled', u'profile_background_image_url', u'screen_name', u'profile_background_tile', u'favourites_count', u'name', u'url', u'created_at', u'time_zone', u'profile_sidebar_border_color', u'following']
columns_user = [u'follow_request_sent', u'profile_use_background_image', u'id', u'verified', u'profile_sidebar_fill_color', u'profile_text_color', u'followers_count', u'protected', u'location', u'profile_background_color', u'id_str', u'utc_offset', u'statuses_count', u'description', u'friends_count', u'profile_link_color', u'profile_image_url', u'notifications', u'show_all_inline_media', u'geo_enabled', u'profile_background_image_url', u'name', u'lang', u'following', u'profile_background_tile', u'favourites_count', u'screen_name', u'url', u'created_at', u'contributors_enabled', u'time_zone', u'profile_sidebar_border_color', u'is_translator', u'listed_count']
# just put it in a sqlite3 tqble
DEFAULT_TIMEOUT = 3
class Requesthandler(BaseHTTPRequestHandler):
def __init__(self, request, client_address, server):
BaseHTTPRequestHandler.__init__(self, request, client_address, server)
def do_GET(self):
self.send_response(200)
self.end_headers()
def log_message(self, format, *args): # @ReservedAssignment
pass
def set_logging(options):
loggers = []
loggers.append(utils.set_logging(options, logging.getLogger('iri.tweet')))
loggers.append(utils.set_logging(options, logging.getLogger('multiprocessing')))
if options.debug >= 2:
loggers.append(utils.set_logging(options, logging.getLogger('sqlalchemy.engine')))
# utils.set_logging(options, logging.getLogger('sqlalchemy.dialects'))
# utils.set_logging(options, logging.getLogger('sqlalchemy.pool'))
# utils.set_logging(options, logging.getLogger('sqlalchemy.orm'))
return loggers
def set_logging_process(options, queue):
qlogger = utils.set_logging(options, logging.getLogger('iri.tweet.p'), queue)
qlogger.propagate = 0
return qlogger
def get_auth(options, access_token):
consumer_key = options.consumer_key
consumer_secret = options.consumer_secret
auth = requests_oauthlib.OAuth1(client_key=consumer_key, client_secret=consumer_secret, resource_owner_key=access_token[0], resource_owner_secret=access_token[1], signature_type='auth_header')
return auth
def add_process_event(event_type, args, session_maker):
session = session_maker()
try:
evt = ProcessEvent(args=None if args is None else anyjson.serialize(args), type=event_type)
session.add(evt)
session.commit()
finally:
session.close()
class BaseProcess(Process):
def __init__(self, session_maker, queue, options, access_token, stop_event, logger_queue, parent_pid):
self.parent_pid = parent_pid
self.session_maker = session_maker
self.queue = queue
self.options = options
self.logger_queue = logger_queue
self.stop_event = stop_event
self.consumer_token = (options.consumer_key, options.consumer_secret)
self.access_token = access_token
super(BaseProcess, self).__init__()
#
# from http://stackoverflow.com/questions/2542610/python-daemon-doesnt-kill-its-kids
#
def parent_is_alive(self):
try:
# try to call Parent
os.kill(self.parent_pid, 0)
except OSError:
# *beeep* oh no! The phone's disconnected!
return False
else:
# *ring* Hi mom!
return True
def __get_process_event_args(self):
return {'name':self.name, 'pid':self.pid, 'parent_pid':self.parent_pid, 'options':self.options.__dict__, 'access_token':self.access_token}
def run(self):
try:
add_process_event("start_worker", self.__get_process_event_args(), self.session_maker)
self.do_run()
finally:
add_process_event("stop_worker", self.__get_process_event_args(), self.session_maker)
def do_run(self):
raise NotImplementedError()
class SourceProcess(BaseProcess):
def __init__(self, session_maker, queue, options, access_token, stop_event, logger_queue, parent_pid):
self.track = options.track
self.token_filename = options.token_filename
self.timeout = options.timeout
self.stream = None
super(SourceProcess, self).__init__(session_maker, queue, options, access_token, stop_event, logger_queue, parent_pid)
def __source_stream_iter(self):
self.logger.debug("SourceProcess : run ")
self.logger.debug("SourceProcess : get_auth auth with option %s and token %s " %(self.options, self.access_token))
self.auth = get_auth(self.options, self.access_token)
self.logger.debug("SourceProcess : auth set ")
track_list = self.track # or raw_input('Keywords to track (comma seperated): ').strip()
self.logger.debug("SourceProcess : track list " + track_list)
track_list = [k.strip() for k in track_list.split(',')]
self.logger.debug("SourceProcess : before connecting to stream %s, url : %s, auth : %s" % (repr(track_list), self.options.url, repr(self.auth)))
self.stream = iri_tweet.stream.FilterStream(self.auth, track=track_list, raw=True, url=self.options.url, timeout=self.timeout, chunk_size=512, logger=self.logger)
self.logger.debug("SourceProcess : after connecting to stream")
self.stream.muststop = lambda: self.stop_event.is_set()
stream_wrapper = iri_tweet.stream.SafeStreamWrapper(self.stream, logger=self.logger)
session = self.session_maker()
#import pydevd
#pydevd.settrace(suspend=False)
try:
for tweet in stream_wrapper:
if not self.parent_is_alive():
self.stop_event.set()
sys.exit()
self.logger.debug("SourceProcess : tweet " + repr(tweet))
source = TweetSource(original_json=tweet)
self.logger.debug("SourceProcess : source created")
add_retries = 0
while add_retries < 10:
try:
add_retries += 1
session.add(source)
session.flush()
break
except OperationalError as e:
session.rollback()
self.logger.debug("SourceProcess : Operational Error %s nb %d" % (repr(e), add_retries))
if add_retries == 10:
raise
source_id = source.id
self.logger.debug("SourceProcess : before queue + source id " + repr(source_id))
self.logger.info("SourceProcess : Tweet count: %d - current rate : %.2f - running : %s" % (self.stream.count, self.stream.rate, int(time.time() - self.stream.starttime)))
session.commit()
self.queue.put((source_id, tweet), False)
except Exception as e:
self.logger.error("SourceProcess : Error when processing tweet " + repr(e))
raise
finally:
session.rollback()
session.close()
self.stream.close()
self.stream = None
if not self.stop_event.is_set():
self.stop_event.set()
def do_run(self):
self.logger = set_logging_process(self.options, self.logger_queue)
source_stream_iter_thread = threading.Thread(target=self.__source_stream_iter , name="SourceStreamIterThread")
source_stream_iter_thread.start()
try:
while not self.stop_event.is_set():
self.logger.debug("SourceProcess : In while after start")
self.stop_event.wait(DEFAULT_TIMEOUT)
except KeyboardInterrupt:
self.stop_event.set()
pass
if self.stop_event.is_set() and self.stream:
self.stream.close()
elif not self.stop_event.is_set() and not source_stream_iter_thread.is_alive:
self.stop_event.set()
self.queue.cancel_join_thread()
self.logger_queue.cancel_join_thread()
self.logger.info("SourceProcess : join")
source_stream_iter_thread.join(30)
def process_tweet(tweet, source_id, session, consumer_token, access_token, twitter_query_user, token_filename, logger):
try:
if not tweet.strip():
return
tweet_obj = anyjson.deserialize(tweet)
processor_klass = get_processor(tweet_obj)
if not processor_klass:
tweet_log = TweetLog(tweet_source_id=source_id, status=TweetLog.TWEET_STATUS['NOT_TWEET'])
session.add(tweet_log)
return
processor = processor_klass(json_dict=tweet_obj,
json_txt=tweet,
source_id=source_id,
session=session,
consumer_token=consumer_token,
access_token=access_token,
token_filename=token_filename,
user_query_twitter=twitter_query_user,
logger=logger)
logger.info(processor.log_info())
logger.debug(u"Process_tweet :" + repr(tweet))
processor.process()
except ValueError as e:
message = u"Value Error %s processing tweet %s" % (repr(e), tweet)
output = StringIO.StringIO()
try:
traceback.print_exc(file=output)
error_stack = output.getvalue()
finally:
output.close()
tweet_log = TweetLog(tweet_source_id=source_id, status=TweetLog.TWEET_STATUS['NOT_TWEET'], error=message, error_stack=error_stack)
session.add(tweet_log)
session.commit()
except Exception as e:
message = u"Error %s processing tweet %s" % (repr(e), tweet)
logger.exception(message)
output = StringIO.StringIO()
try:
traceback.print_exc(file=output)
error_stack = output.getvalue()
finally:
output.close()
session.rollback()
tweet_log = TweetLog(tweet_source_id=source_id, status=TweetLog.TWEET_STATUS['ERROR'], error=message, error_stack=error_stack)
session.add(tweet_log)
session.commit()
class TweetProcess(BaseProcess):
def __init__(self, session_maker, queue, options, access_token, stop_event, logger_queue, parent_pid):
super(TweetProcess, self).__init__(session_maker, queue, options, access_token, stop_event, logger_queue, parent_pid)
self.twitter_query_user = options.twitter_query_user
def do_run(self):
self.logger = set_logging_process(self.options, self.logger_queue)
session = self.session_maker()
try:
while not self.stop_event.is_set() and self.parent_is_alive():
try:
source_id, tweet_txt = self.queue.get(True, 3)
self.logger.debug("Processing source id " + repr(source_id))
except Exception as e:
self.logger.debug('Process tweet exception in loop : ' + repr(e))
continue
process_tweet(tweet_txt, source_id, session, self.consumer_token, self.access_token, self.twitter_query_user, self.options.token_filename, self.logger)
session.commit()
except KeyboardInterrupt:
self.stop_event.set()
finally:
session.rollback()
session.close()
def get_sessionmaker(conn_str):
engine, metadata, Session = models.setup_database(conn_str, echo=False, create_all=False, autocommit=False)
Session = scoped_session(Session)
return Session, engine, metadata
def process_leftovers(session, consumer_token, access_token, twitter_query_user, token_filename, ask_process_leftovers, logger):
sources = session.query(TweetSource).outerjoin(TweetLog).filter(TweetLog.id == None)
sources_count = sources.count()
if sources_count > 10 and ask_process_leftovers:
resp = raw_input("Do you want to process leftovers (Y/n) ? (%d tweet to process)" % sources_count)
if resp and resp.strip().lower() == "n":
return
logger.info("Process leftovers, %d tweets to process" % (sources_count))
for src in sources:
tweet_txt = src.original_json
process_tweet(tweet_txt, src.id, session, consumer_token, access_token, twitter_query_user, token_filename, logger)
session.commit()
def process_log(logger_queues, stop_event):
while not stop_event.is_set():
for lqueue in logger_queues:
try:
record = lqueue.get_nowait()
logging.getLogger(record.name).handle(record)
except Queue.Empty:
continue
except IOError:
continue
time.sleep(0.1)
def get_options():
usage = "usage: %(prog)s [options]"
parser = argparse.ArgumentParser(usage=usage)
parser.add_argument("-f", "--file", dest="conn_str",
help="write tweet to DATABASE. This is a connection string", metavar="CONNECTION_STR", default="enmi2010_twitter.db")
parser.add_argument("-T", "--track", dest="track",
help="Twitter track", metavar="TRACK")
parser.add_argument("-k", "--key", dest="consumer_key",
help="Twitter consumer key", metavar="CONSUMER_KEY", required=True)
parser.add_argument("-s", "--secret", dest="consumer_secret",
help="Twitter consumer secret", metavar="CONSUMER_SECRET", required=True)
parser.add_argument("-n", "--new", dest="new", action="store_true",
help="new database", default=False)
parser.add_argument("-D", "--daemon", dest="daemon", action="store_true",
help="launch daemon", default=False)
parser.add_argument("-t", dest="token_filename", metavar="TOKEN_FILENAME", default=".oauth_token",
help="Token file name")
parser.add_argument("-d", "--duration", dest="duration",
help="Duration of recording in seconds", metavar="DURATION", default= -1, type=int)
parser.add_argument("-N", "--nb-process", dest="process_nb",
help="number of process.\nIf 0, only the lefovers of the database are processed.\nIf 1, no postprocessing is done on the tweets.", metavar="PROCESS_NB", default=2, type=int)
parser.add_argument("--url", dest="url",
help="The twitter url to connect to.", metavar="URL", default=iri_tweet.stream.FilterStream.url)
parser.add_argument("--query-user", dest="twitter_query_user", action="store_true",
help="Query twitter for users", default=False)
parser.add_argument("--timeout", dest="timeout",
help="timeout for connecting in seconds", default=60, metavar="TIMEOUT", type=int)
parser.add_argument("--ask-process-leftovers", dest="ask_process_leftovers", action="store_false",
help="ask process leftover", default=True)
utils.set_logging_options(parser)
return parser.parse_args()
def do_run(options, session_maker):
stop_args = {}
consumer_token = (options.consumer_key, options.consumer_secret)
access_token = utils.get_oauth_token(consumer_key=consumer_token[0], consumer_secret=consumer_token[1], token_file_path=options.token_filename)
session = session_maker()
try:
process_leftovers(session, consumer_token, access_token, options.twitter_query_user, options.token_filename, options.ask_process_leftovers, utils.get_logger())
session.commit()
finally:
session.rollback()
session.close()
if options.process_nb <= 0:
utils.get_logger().debug("Leftovers processed. Exiting.")
return None
queue = mQueue()
stop_event = Event()
# workaround for bug on using urllib2 and multiprocessing
httpd = HTTPServer(('127.0.0.1',0), Requesthandler)
thread.start_new_thread(httpd.handle_request, ())
req = urllib2.Request('http://localhost:%d' % httpd.server_port)
conn = None
try:
conn = urllib2.urlopen(req)
except:
utils.get_logger().debug("could not open localhost")
# donothing
finally:
if conn is not None:
conn.close()
process_engines = []
logger_queues = []
SessionProcess, engine_process, _ = get_sessionmaker(conn_str)
process_engines.append(engine_process)
lqueue = mQueue(50)
logger_queues.append(lqueue)
pid = os.getpid()
sprocess = SourceProcess(SessionProcess, queue, options, access_token, stop_event, lqueue, pid)
tweet_processes = []
for i in range(options.process_nb - 1):
SessionProcess, engine_process, _ = get_sessionmaker(conn_str)
process_engines.append(engine_process)
lqueue = mQueue(50)
logger_queues.append(lqueue)
cprocess = TweetProcess(SessionProcess, queue, options, access_token, stop_event, lqueue, pid)
tweet_processes.append(cprocess)
log_thread = threading.Thread(target=process_log, name="loggingThread", args=(logger_queues, stop_event,))
log_thread.daemon = True
log_thread.start()
sprocess.start()
for cprocess in tweet_processes:
cprocess.start()
add_process_event("pid", {'main':os.getpid(), 'source':(sprocess.name, sprocess.pid), 'consumers':dict([(p.name, p.pid) for p in tweet_processes])}, session_maker)
if options.duration >= 0:
end_ts = datetime.datetime.utcnow() + datetime.timedelta(seconds=options.duration)
def interupt_handler(signum, frame):
utils.get_logger().debug("shutdown asked " + repr(signum) + " " + repr(inspect.getframeinfo(frame, 9)))
stop_args.update({'message': 'interupt', 'signum':signum, 'frameinfo':inspect.getframeinfo(frame, 9)})
stop_event.set()
signal.signal(signal.SIGINT , interupt_handler)
signal.signal(signal.SIGHUP , interupt_handler)
signal.signal(signal.SIGALRM, interupt_handler)
signal.signal(signal.SIGTERM, interupt_handler)
while not stop_event.is_set():
if options.duration >= 0 and datetime.datetime.utcnow() >= end_ts:
stop_args.update({'message': 'duration', 'duration' : options.duration, 'end_ts' : end_ts})
stop_event.set()
break
if sprocess.is_alive():
utils.get_logger().debug("Source process alive")
time.sleep(1)
else:
stop_args.update({'message': 'Source process killed'})
stop_event.set()
break
utils.get_logger().debug("Joining Source Process")
try:
sprocess.join(10)
except:
utils.get_logger().debug("Pb joining Source Process - terminating")
finally:
sprocess.terminate()
for i, cprocess in enumerate(tweet_processes):
utils.get_logger().debug("Joining consumer process Nb %d" % (i + 1))
try:
cprocess.join(3)
except:
utils.get_logger().debug("Pb joining consumer process Nb %d - terminating" % (i + 1))
cprocess.terminate()
utils.get_logger().debug("Close queues")
try:
queue.close()
for lqueue in logger_queues:
lqueue.close()
except Exception as e:
utils.get_logger().error("error when closing queues %s", repr(e))
# do nothing
if options.process_nb > 1:
utils.get_logger().debug("Processing leftovers")
session = session_maker()
try:
process_leftovers(session, consumer_token, access_token, options.twitter_query_user, options.token_filename, options.ask_process_leftovers, utils.get_logger())
session.commit()
finally:
session.rollback()
session.close()
for pengine in process_engines:
pengine.dispose()
return stop_args
def main(options):
global conn_str
conn_str = options.conn_str.strip()
if not re.match("^\w+://.+", conn_str):
conn_str = 'sqlite:///' + options.conn_str
if conn_str.startswith("sqlite") and options.new:
filepath = conn_str[conn_str.find(":///") + 4:]
if os.path.exists(filepath):
i = 1
basename, extension = os.path.splitext(filepath)
new_path = '%s.%d%s' % (basename, i, extension)
while i < 1000000 and os.path.exists(new_path):
i += 1
new_path = '%s.%d%s' % (basename, i, extension)
if i >= 1000000:
raise Exception("Unable to find new filename for " + filepath)
else:
shutil.move(filepath, new_path)
Session, engine, metadata = get_sessionmaker(conn_str)
if options.new:
check_metadata = sqlalchemy.schema.MetaData(bind=engine)
check_metadata.reflect()
if len(check_metadata.sorted_tables) > 0:
message = "Database %s not empty exiting" % conn_str
utils.get_logger().error(message)
sys.exit(message)
metadata.create_all(engine)
session = Session()
try:
models.add_model_version(session)
finally:
session.close()
stop_args = {}
try:
add_process_event(event_type="start", args={'options':options.__dict__, 'args': [], 'command_line': sys.argv}, session_maker=Session)
stop_args = do_run(options, Session)
except Exception as e:
utils.get_logger().exception("Error in main thread")
outfile = StringIO.StringIO()
try:
traceback.print_exc(file=outfile)
stop_args = {'error': repr(e), 'message': getattr(e, 'message', ''), 'stacktrace':outfile.getvalue()}
finally:
outfile.close()
raise
finally:
add_process_event(event_type="shutdown", args=stop_args, session_maker=Session)
utils.get_logger().debug("Done. Exiting. " + repr(stop_args))
if __name__ == '__main__':
options = get_options()
loggers = set_logging(options)
utils.get_logger().debug("OPTIONS : " + repr(options))
if options.daemon:
options.ask_process_leftovers = False
import daemon
hdlr_preserve = []
for logger in loggers:
hdlr_preserve.extend([h.stream for h in logger.handlers])
context = daemon.DaemonContext(working_directory=os.getcwd(), files_preserve=hdlr_preserve)
with context:
main(options)
else:
main(options)