/
main.py
317 lines (269 loc) · 10.6 KB
/
main.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
# -*- coding: utf-8 *-*
import socket
import threading
from nltk import FreqDist
import sys
from classifier import TxtClassificatorWrapper
from lang import TwitterLangDetect
from gui import Gui
from threading import Event
from Queue import Queue, Empty, Full, PriorityQueue
from save import Manager as StreamMgr
from wx.lib.pubsub.pub import Publisher
from logger import logger
from sql import SqlModel
from tools import StoppableThread, NothingToDo
from tweet import TweetText
from url import UrlResolverManager, UrlBuilder, UrlException
import os,cPickle
from user import UserBuilder
from user_tools import UserMgr
from web_server import EmbeddedHttpServer
from threading import Semaphore
tld = TwitterLangDetect()
class GetMsg(object):
def __init__(self, cat):
self.__mutex = Semaphore(0)
self.__cat = cat
def cat(self):
return self.__cat
def setResponse(self, res):
self.__response = res
self.__mutex.release()
def getResponse(self):
self.__mutex.acquire()
return self.__response
class UserCrawler(StoppableThread):
def __init__(self, token, userMgr, callback, userId=None, screenName=None):
StoppableThread.__init__(self)
self.__userMgr = userMgr
self.__userId = userId
self.__screenName = screenName
self.__token = token
self.__callback = callback
def runPart(self):
userFeatures = self.__userMgr.doJob(self.__token, self.__userId, self, self.__screenName)
try:
userFeatures.doJob()
self.__callback(self, userFeatures)
except NothingToDo as e:
raise e
except BaseException as e:
logger.exception(u"UserFeatures.doJob error for " + unicode(self.__userId) + u" " + unicode(self.__screenName))
raise e
raise NothingToDo()
class CrawlerResult():
def __init__(self, crawler, userFeatures):
self.__uf = userFeatures
self.__c = crawler
def results(self):
return self.__uf
def crawler(self):
return self.__c
class ResolvedTweetQueue(StoppableThread):
def __init__(self, streamDir, userDir, userBuilder, urlBuilder):
StoppableThread.__init__(self, self.__class__.__name__)
self.__queue = PriorityQueue(maxsize=50)
self.__urlBuilder = urlBuilder
self.__userBuilder = userBuilder
self.__dir = os.path.join(streamDir, "tweets")
self.__model = SqlModel(os.path.join(streamDir, "finalUrl.db"), drop=False)
self.__userMgr = UserMgr(userDir)
self.__server = EmbeddedHttpServer(self, self.__userMgr)
self.__crawlers = []
def tweetResolved(self, tweet):
self.__queue.put((10, tweet))
def atBegin(self):
self.__server.start()
def getServerUrl(self):
return self.__server.getHref()
def runPart(self):
try:
obj = self.__queue.get(block=True, timeout=3)[1]
if isinstance(obj, GetMsg):
self.__parseGet(obj)
elif isinstance(obj, CrawlerResult):
self.__afterCallback(obj.crawler(), obj.results())
else:
self.__parseTweet(obj)
except Empty:
pass
return
def __parseGet(self, getMsg):
urls = self.__model.selectUrls(getMsg.cat())
urls = [u.copy() for u in urls]
getMsg.setResponse(urls)
def __parseTweet(self, tweet):
for url in tweet.urls():
if url.isError():
logger.info(u"Tweet bad: wrong url: " + unicode(tweet) + u" " + unicode(url))
self.__urlBuilder.delete(url)
break
url.setDocumentClasses(TxtClassificatorWrapper.instance().classify(url.getText()))
if url.isRoot() or url.lang() != "en" or "short" in url.documentClasses():
logger.info(u"Tweet bad: " + unicode(tweet) + u" " + unicode(url))
self.__urlBuilder.delete(url)
break
logger.info(u"Tweet good: " + unicode(tweet) + u" " + unicode(url))
logger.info(u"URL: " + unicode(url))
self.__model.updateUrl(url)
def __callback(self, crawler, userFeatures):
self.__queue.put(CrawlerResult(crawler, userFeatures))
def __createUserProfile(self):
users = self.__model.selectUserWithoutCat(1)
if not users:
return False
token = self.__server.getToken()
for u in users:
crawler = UserCrawler(token, self.__userMgr, self.__callback, userId=u.id)
self.__crawlers.append(crawler)
return True
def __afterCallback(self, crawler, userFeatures):
self.__crawlers.remove(crawler)
userFeatures.cats()
userFeatures.langs()
def atEnd(self):
StoppableThread.atEnd(self)
self.__server.stop()
self.__userMgr.close()
def finalUrls(self, cat=None):
req = GetMsg(cat)
self.__queue.put((1, req))
return req.getResponse()
def __tweetWithUrlToRoot(self, tweet):
for u in tweet.urls():
if u.isRoot():
return True
return False
class Model(StoppableThread):
def __init__(self, gui, stream, mainDir):
StoppableThread.__init__(self, "Model")
self.__iter = stream.__iter__()
self.__elem = None
self.__gui = gui
self.__softPause = True
self.__urlBuilder = UrlBuilder()
self.__userBuilder = UserBuilder()
streamDir=os.path.join(mainDir, "stream")
userDir=os.path.join(mainDir, "user")
self.__tweetResolvedListener = ResolvedTweetQueue(streamDir=streamDir, userDir=userDir, userBuilder=self.__userBuilder, urlBuilder=self.__urlBuilder)
self.__urlResolver = UrlResolverManager(os.path.join(streamDir, "urlResolverCache.db2"), self.__tweetResolvedListener)
self.__refreshGui = Event()
self.__refreshStatusBar = Event()
self.__showProbDist = Event()
self.__probDistUrl = None
Publisher.subscribe(self.onPauseJob, "model.pause")
Publisher.subscribe(self.onResumeJob, "model.start")
Publisher.subscribe(self.onRefreshGui, "model.refreshGui")
Publisher.subscribe(self.onRefreshStatusBar, "model.refreshStatusBar")
Publisher.subscribe(self.onProbDist, "model.prob_dist")
Publisher.subscribe(self.onShowTreeMap, "model.showTreeMap")
self.doPauseJob()
self.start()
def onRefreshGui(self, msg):
self.__refreshGui.set()
def onRefreshStatusBar(self, msg):
self.__refreshStatusBar.set()
def onPauseJob(self, msg):
d = msg.data
if self.__softPause:
self.__softPause = d["soft"] if d and "soft" in d else False
self.doPauseJob()
def onProbDist(self, msg):
self.__showProbDist.set()
self.__probDistUrl = msg.data
def onShowTreeMap(self, msg):
import webbrowser
webbrowser.open(self.__tweetResolvedListener.getServerUrl())
def doPauseJob(self):
self.pauseJob()
self.__urlResolver.pauseWorkers()
Publisher.sendMessage("model.paused")
def onResumeJob(self, msg):
d = msg.data
softResume = d["soft"] if d and "soft" in d else False
userResume = not softResume
if userResume or self.__softPause:
logger.info("Continue job " + unicode(softResume) + unicode(self.__softPause))
self.doContinueJob()
else:
logger.info("Ignore resume request")
def doContinueJob(self):
self.continueJob()
self.__urlResolver.continueWorkers()
Publisher.sendMessage("model.started")
def atBegin(self):
logger.info("Preparing model...")
self.__urlResolver.start()
logger.info("Start analyzing tweets")
self.__tweetResolvedListener.start()
def runPart(self):
try:
s = self.__elem or self.__iter.next()
self.__elem = s
if u'text' in s:
try:
retweeted = TweetText(s[u"retweeted_status"], self.__urlBuilder, self.__userBuilder, None) if s.has_key(u"retweeted_status") else None
if retweeted:
for url in retweeted.urls():
self.__urlResolver.addUrlToQueue(url)
tweet = TweetText(s, self.__urlBuilder, self.__userBuilder, retweeted.id() if retweeted else None)
for url in tweet.urls():
self.__urlResolver.addUrlToQueue(url)
except UrlException as e:
logger.warn(u"Cannot build url: " + str(e))
self._doSmthElse()
self.__elem = None
except Full:
return
except StopIteration:
raise NothingToDo()
def onPause(self):
self._doSmthElse()
def _doSmthElse(self):
if self.__refreshGui.isSet():
logger.info("Send data to GUI")
self.__refreshGui.clear()
data = {}
data["urls"] = self.__tweetResolvedListener.finalUrls()
Publisher.sendMessage("update.urls", data=data)
if self.__showProbDist.isSet():
url = self.__probDistUrl
self.__showProbDist.clear()
self.__probDistUrl = None
probDistI = TxtClassificatorWrapper.instance().probDist(url.getText())
if self.__refreshStatusBar.isSet():
self.__refreshStatusBar.clear()
data = {}
data["cache"] = self.__urlResolver.cacheHitRate()
data["position"] = self.__iter.position()
data["position_end"] = self.__iter.count()
data["current_file_c"] = self.__iter.currentFile()
data["last_file_c"] = self.__iter.filesCount()
Publisher.sendMessage("update.statusBar", data=data)
def stop(self):
StoppableThread.stop(self)
self.__urlResolver.stop()
self.__tweetResolvedListener.stop()
logger.info("Wait for thread: " + ','.join([t.name for t in threading.enumerate()]))
def main():
socket.setdefaulttimeout(60)
mainDir="/run/media/soldier/eea1ee1d-e5c4-4534-9e0b-24308315e271/pynews"
tweetsDir = os.path.join(mainDir, "stream", "tweets")
logger.info("Start app")
model = None
try:
gui = Gui()
mgr = StreamMgr(tweetsDir)
model = Model(gui, stream=mgr.restore(lastOnly=False), mainDir=mainDir)
except BaseException:
logger.exception("Cannot start app")
if model:
model.stop()
sys.exit(1)
return
gui.run()
model.stop()
logger.info("Exit app")
if __name__ == "__main__":
main()