from models import (Tweet, User, Hashtag, EntityHashtag, EntityUser, Url,
EntityUrl, CONSUMER_KEY, CONSUMER_SECRET, APPLICATION_NAME, ACCESS_TOKEN_KEY,
ACCESS_TOKEN_SECRET, adapt_date, adapt_json, TweetSource, TweetLog)
from sqlalchemy.sql import select, or_ #@UnresolvedImport
import anyjson #@UnresolvedImport
import datetime
import email.utils
import logging #@UnresolvedImport
import os.path
import sys
import twitter.oauth #@UnresolvedImport
import twitter.oauth_dance #@UnresolvedImport
import twitter_text #@UnresolvedImport
CACHE_ACCESS_TOKEN = {}
def get_oauth_token(token_file_path=None, application_name=APPLICATION_NAME, consumer_key=CONSUMER_KEY, consumer_secret=CONSUMER_SECRET):
global CACHE_ACCESS_TOKEN
if CACHE_ACCESS_TOKEN is not None and application_name in CACHE_ACCESS_TOKEN:
return CACHE_ACCESS_TOKEN[application_name]
if token_file_path and os.path.exists(token_file_path):
logging.debug("reading token from file %s" % token_file_path) #@UndefinedVariable
CACHE_ACCESS_TOKEN[application_name] = twitter.oauth.read_token_file(token_file_path)
return CACHE_ACCESS_TOKEN[application_name]
#read access token info from path
if 'ACCESS_TOKEN_KEY' in dict() and 'ACCESS_TOKEN_SECRET' in dict() and ACCESS_TOKEN_KEY and ACCESS_TOKEN_SECRET:
return ACCESS_TOKEN_KEY,ACCESS_TOKEN_SECRET
CACHE_ACCESS_TOKEN[application_name] = twitter.oauth_dance.oauth_dance(application_name, consumer_key, consumer_secret, token_file_path)
return CACHE_ACCESS_TOKEN[application_name]
def parse_date(date_str):
ts = email.utils.parsedate_tz(date_str) #@UndefinedVariable
return datetime.datetime(*ts[0:7])
def clean_keys(dict_val):
return dict([(str(key),value) for key,value in dict_val.items()])
fields_adapter = {
'stream': {
"tweet": {
"created_at" : adapt_date,
"coordinates" : adapt_json,
"place" : adapt_json,
"geo" : adapt_json,
# "original_json" : adapt_json,
},
"user": {
"created_at" : adapt_date,
},
},
'rest': {
"tweet" : {
"place" : adapt_json,
"geo" : adapt_json,
"created_at" : adapt_date,
# "original_json" : adapt_json,
},
},
}
#
# adapt fields, return a copy of the field_dict with adapted fields
#
def adapt_fields(fields_dict, adapter_mapping):
def adapt_one_field(field, value):
if field in adapter_mapping and adapter_mapping[field] is not None:
return adapter_mapping[field](value)
else:
return value
return dict([(str(k),adapt_one_field(k,v)) for k,v in fields_dict.items()])
class TwitterProcessorException(Exception):
pass
class TwitterProcessor(object):
def __init__(self, json_dict, json_txt, source_id, session, token_filename=None):
if json_dict is None and json_txt is None:
raise TwitterProcessorException("No json")
if json_dict is None:
self.json_dict = anyjson.deserialize(json_txt)
else:
self.json_dict = json_dict
if not json_txt:
self.json_txt = anyjson.serialize(json_dict)
else:
self.json_txt = json_txt
if "id" not in self.json_dict:
raise TwitterProcessorException("No id in json")
self.source_id = source_id
self.session = session
self.token_filename = token_filename
def __get_user(self, user_dict):
logging.debug("Get user : " + repr(user_dict)) #@UndefinedVariable
user_id = user_dict.get("id",None)
user_name = user_dict.get("screen_name", user_dict.get("name", None))
if user_id is None and user_name is None:
return None
if user_id:
user = self.session.query(User).filter(User.id == user_id).first()
else:
user = self.session.query(User).filter(User.screen_name == user_name).first()
if user is not None:
return user
user_created_at = user_dict.get("created_at", None)
if user_created_at is None:
acess_token_key, access_token_secret = get_oauth_token(self.token_filename)
t = twitter.Twitter(auth=twitter.OAuth(acess_token_key, access_token_secret, CONSUMER_KEY, CONSUMER_SECRET))
try:
if user_id:
user_dict = t.users.show(user_id=user_id)
else:
user_dict = t.users.show(screen_name=user_name)
except Exception as e:
logging.info("get_user : TWITTER ERROR : " + repr(e)) #@UndefinedVariable
logging.info("get_user : TWITTER ERROR : " + str(e)) #@UndefinedVariable
user_dict = adapt_fields(user_dict, fields_adapter["stream"]["user"])
if "id" not in user_dict:
return None
user = User(**user_dict)
self.session.add(user)
self.session.flush()
return user
def __process_entity(self, ind, ind_type):
logging.debug("Process_entity : " + repr(ind) + " : " + repr(ind_type)) #@UndefinedVariable
ind = clean_keys(ind)
entity_dict = {
"indice_start": ind["indices"][0],
"indice_end" : ind["indices"][1],
"tweet_id" : self.tweet.id,
"tweet" : self.tweet
}
def process_hashtags():
text = ind.get("text", ind.get("hashtag", None))
if text is None:
return None
hashtag = self.session.query(Hashtag).filter(Hashtag.text == text).first()
if not hashtag:
ind["text"] = text
hashtag = Hashtag(**ind)
self.session.add(hashtag)
self.session.flush()
entity_dict['hashtag'] = hashtag
entity_dict['hashtag_id'] = hashtag.id
entity = EntityHashtag(**entity_dict)
return entity
def process_user_mentions():
user_mention = self.__get_user(ind)
if user_mention is None:
entity_dict['user'] = None
entity_dict['user_id'] = None
else:
entity_dict['user'] = user_mention
entity_dict['user_id'] = user_mention.id
entity = EntityUser(**entity_dict)
return entity
def process_urls():
url = self.session.query(Url).filter(Url.url == ind["url"]).first()
if url is None:
url = Url(**ind)
self.session.add(url)
self.session.flush()
entity_dict['url'] = url
entity_dict['url_id'] = url.id
entity = EntityUrl(**entity_dict)
return entity
#{'': lambda }
entity = {
'hashtags': process_hashtags,
'user_mentions' : process_user_mentions,
'urls' : process_urls
}[ind_type]()
logging.debug("Process_entity entity_dict: " + repr(entity_dict)) #@UndefinedVariable
if entity:
self.session.add(entity)
self.session.flush()
def __process_twitter_stream(self):
tweet_nb = self.session.query(Tweet).filter(Tweet.id == self.json_dict["id"]).count()
if tweet_nb > 0:
return
ts_copy = adapt_fields(self.json_dict, fields_adapter["stream"]["tweet"])
# get or create user
user = self.__get_user(self.json_dict["user"])
if user is None:
logging.warning("USER not found " + repr(self.json_dict["user"])) #@UndefinedVariable
ts_copy["user"] = None
ts_copy["user_id"] = None
else:
ts_copy["user"] = user
ts_copy["user_id"] = ts_copy["user"].id
ts_copy["tweet_source_id"] = self.source_id
self.tweet = Tweet(**ts_copy)
self.session.add(self.tweet)
self.session.flush()
# get entities
for ind_type, entity_list in self.json_dict["entities"].items():
for ind in entity_list:
self.__process_entity(ind, ind_type)
def __process_twitter_rest(self):
tweet_nb = self.session.query(Tweet).filter(Tweet.id == self.json_dict["id"]).count()
if tweet_nb > 0:
return
tweet_fields = {
'created_at': self.json_dict["created_at"],
'favorited': False,
'id': self.json_dict["id"],
'id_str': self.json_dict["id_str"],
#'in_reply_to_screen_name': ts["to_user"],
'in_reply_to_user_id': self.json_dict["to_user_id"],
'in_reply_to_user_id_str': self.json_dict["to_user_id_str"],
#'place': ts["place"],
'source': self.json_dict["source"],
'text': self.json_dict["text"],
'truncated': False,
'tweet_source_id' : self.source_id,
}
#user
user_fields = {
'lang' : self.json_dict.get('iso_language_code',None),
'profile_image_url' : self.json_dict["profile_image_url"],
'screen_name' : self.json_dict["from_user"],
}
user = self.__get_user(user_fields)
if user is None:
logging.warning("USER not found " + repr(user_fields)) #@UndefinedVariable
tweet_fields["user"] = None
tweet_fields["user_id"] = None
else:
tweet_fields["user"] = user
tweet_fields["user_id"] = user.id
tweet_fields = adapt_fields(tweet_fields, fields_adapter["rest"]["tweet"])
self.tweet = Tweet(**tweet_fields)
self.session.add(self.tweet)
text = self.tweet.text
extractor = twitter_text.Extractor(text)
for ind in extractor.extract_hashtags_with_indices():
self.__process_entity(ind, "hashtags")
for ind in extractor.extract_mentioned_screen_names_with_indices():
self.__process_entity(ind, "user_mentions")
for ind in extractor.extract_urls_with_indices():
self.__process_entity(ind, "urls")
self.session.flush()
def process(self):
if self.source_id is None:
tweet_source = TweetSource(original_json=self.json_txt);
self.session.add(tweet_source)
self.session.flush()
self.source_id = tweet_source.id
try:
if "metadata" in self.json_dict:
self.__process_twitter_rest()
else:
self.__process_twitter_stream()
tweet_log = TweetLog(tweet_source_id = self.source_id, status = TweetLog.TWEET_STATUS['OK'])
except:
raise
def set_logging(options):
logging_config = {}
if options.logfile == "stdout":
logging_config["stream"] = sys.stdout
elif options.logfile == "stderr":
logging_config["stream"] = sys.stderr
else:
logging_config["filename"] = options.logfile
logging_config["level"] = max(logging.NOTSET, min(logging.CRITICAL, logging.WARNING - 10 * options.verbose + 10 * options.quiet)) #@UndefinedVariable
logging.basicConfig(**logging_config) #@UndefinedVariable
options.debug = (options.verbose-options.quiet > 0)
def set_logging_options(parser):
parser.add_option("-l", "--log", dest="logfile",
help="log to file", metavar="LOG", default="stderr")
parser.add_option("-v", dest="verbose", action="count",
help="verbose", metavar="VERBOSE", default=0)
parser.add_option("-q", dest="quiet", action="count",
help="quiet", metavar="QUIET", default=0)
def get_filter_query(session, start_date, end_date, hashtags, tweet_exclude_table, user_whitelist):
query = session.query(Tweet).join(EntityHashtag).join(Hashtag)
if tweet_exclude_table is not None:
query = query.filter(~Tweet.id.in_(select([tweet_exclude_table.c.id]))) #@UndefinedVariable
query = query.filter(Tweet.created_at >= start_date).filter(Tweet.created_at <= end_date)
if user_whitelist:
query = query.join(User).filter(User.screen_name.in_(user_whitelist))
if hashtags :
def merge_hash(l,h):
l.extend(h.split(","))
return l
htags = reduce(merge_hash, hashtags, [])
query = query.filter(or_(*map(lambda h: Hashtag.text.contains(h), htags))) #@UndefinedVariable
return query
def get_user_query(session, start_date, end_date, hashtags, tweet_exclude_table):
query = session.query(User).join(Tweet).join(EntityHashtag).join(Hashtag)
if tweet_exclude_table is not None:
query = query.filter(~Tweet.id.in_(select([tweet_exclude_table.c.id]))) #@UndefinedVariable
query = query.filter(Tweet.created_at >= start_date).filter(Tweet.created_at <= end_date)
if hashtags :
def merge_hash(l,h):
l.extend(h.split(","))
return l
htags = reduce(merge_hash, hashtags, [])
query = query.filter(or_(*map(lambda h: Hashtag.text.contains(h), htags))) #@UndefinedVariable
return query.distinct()