-
Notifications
You must be signed in to change notification settings - Fork 2
/
events-scraper.py
457 lines (389 loc) · 15.3 KB
/
events-scraper.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
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
#!/usr/bin/env python3
"""
MIT License
Copyright (c) 2020 Guiral Lacotte
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"""
import os
import sys
import argparse
import re
import json
from time import sleep
from datetime import datetime
import pytz
from icalendar import Calendar, Event, vCalAddress, vText
from selenium import webdriver
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait
from selenium.common.exceptions import NoSuchElementException # TimeoutException
BROWSER_EXE = '/usr/bin/firefox'
GECKODRIVER = '/usr/bin/geckodriver'
FIREFOX_BINARY = FirefoxBinary(BROWSER_EXE)
# Code to disable notifications pop up of Chrome Browser
PROFILE = webdriver.FirefoxProfile()
# PROFILE.DEFAULT_PREFERENCES['frozen']['javascript.enabled'] = False
PROFILE.set_preference("dom.webnotifications.enabled", False)
PROFILE.set_preference("app.update.enabled", False)
PROFILE.update_preferences()
class CollectEvents():
"""
Collector of FaceBook events.
"""
def __init__(
self,
ids=["oxfess"],
corpus_file="facebook-events.ics",
delay=5,
headless=False):
self.ids = ids
self.dump = corpus_file
self.delay = delay
self.events_list = []
self.headless = headless
# browser instance
FireFoxOptions = webdriver.FirefoxOptions()
if self.headless:
FireFoxOptions.headless = True
self.browser = webdriver.Firefox(executable_path=GECKODRIVER,
firefox_binary=FIREFOX_BINARY,
firefox_profile=PROFILE,
options=FireFoxOptions,)
def collect(self):
"""
Manage the user inputs
Main method
"""
for iden in self.ids:
self.collect_event(iden)
self.remove_duplicate()
# self.save_json()
self.save_ical()
self.browser.close()
def collect_event(self, page):
"""
Collect individual event pages
"""
# navigate to page
self.browser.get(page)
# not the best or faster way to manage page loading time
# but solve most problems.
self.browser.implicitly_wait(self.delay / 2)
# Following line will timeout if there is no upcoming evenet
# div id is different in that case (no_upcoming_events_card)
try:
WebDriverWait(
self.browser, self.delay).until(
EC.presence_of_element_located(
(By.ID, "upcoming_events_card")))
except Exception:
print("Time out on page: {}".format(page))
return
# Scroll down multiple time to more than 6 events on long event page
# Could be improved with a break when "no_upcoming_events_card" is
# visible.
for i in range(5):
self.browser.execute_script("window.scrollTo(0, document.body.scrollHeight);")
sleep(self.delay / 2)
# Once the full page is loaded, we can start to scrap links inside
# upcoming_events_card
links = self.browser.find_elements_by_xpath(
"//div[@id='upcoming_events_card']/descendant::a")
links = [
link for link in links if "facebook.com/events" in link.get_attribute("href")]
links = [link.get_attribute("href") for link in links]
print("{} events found on page".format(len(links)), page)
# Phase 2 : scrap events informations
for link in links:
self.scrap_event(link)
def scrap_event(self, link):
"""
Scrap individual event page
input: event page link
output: appended self.events_list
"""
self.browser.get(link)
self.browser.execute_script("window.scrollTo(0, document.body.scrollHeight)")
try:
WebDriverWait(
self.browser, self.delay).until(
EC.visibility_of_element_located((By.ID, "title_subtitle")))
except Exception:
print("Time out on page: {}".format(link))
return
event_info = {}
event_info["id"] = link.split("/")[4]
event_info["url"] = "https://www.facebook.com/events/" + \
str(event_info["id"])
# Event summary
try:
event_info["summary"] = self.safe_find_element_by_id(
"seo_h1_tag").text
except Exception:
print("Could not find event summary on page: {}".format(link))
event_info["summary"] = ''
# Event location
try:
event_info["location"] = self.safe_find_element_by_class_name(
"_4dpf._phw").text
except Exception:
print("Could not find event location on page: {}".format(link))
event_info["location"] = ''
# Event description
try:
event_info["description"] = self.safe_find_element_by_class_name(
"_63ew").text
event_info["description"] += "\n\n" + event_info["url"]
except Exception:
print("Could not find event description on page: {}".format(link))
event_info["description"] = ''
# Event organizer
try:
event_info = self.find_organizer(event_info)
except Exception:
print("Could not find event organizer on page: {}".format(link))
print("This event cannot be recovered.")
return
# Event dates
try:
event_info = self.find_dates(event_info)
except Exception:
print("Could not find event dates on page: {}".format(link))
print("This event cannot be recovered.")
return
self.events_list.append(event_info)
def find_dates(self, event_info):
"""
Retrieve start and end dates
"""
dates = self.browser.find_element_by_class_name(
"_2ycp").get_attribute("content").split()
event_info["start"] = datetime.fromisoformat(dates[0])
if len(dates) >= 3:
event_info["end"] = datetime.fromisoformat(dates[2])
else:
# If an event have no end, assume it one hour long.
event_info["end"] = event_info["start"] + \
datetime.timedelta(hours=1)
return event_info
def find_organizer(self, event_info):
"""
Retrieve the firs organizers
ToDo:
- manage multiple organizers
- rewrite to look for more stable class like "<a class="profileLink>""
"""
organizer = self.browser.find_elements_by_xpath(
"//div[@class='_5gnb']/descendant::a")
event_info["organizer"] = organizer[0].text
return event_info
def remove_duplicate(self):
'''
Remove duplicat in a list of dict
input: list of dict
output: list of dict
'''
print("Event before deduplicaiton:", len(self.events_list))
self.events_list = [
dict(t) for t in {
tuple(
d.items()) for d in self.events_list}]
print("Event after deduplicaiton:", len(self.events_list))
return self.events_list
def save_json(self):
"""
Dump the event to JSON
temporary and mostly for debug prupose
"""
with open(self.dump, "a+", newline='', encoding="utf-8") as outfile:
json.dump(
self.events_list,
outfile,
indent=4,
sort_keys=True,
default=str)
def save_ical(self):
'''
Save events_list as an ical calandar
input: self
output: filename.ical
most of the code of this method is copy/path from icalandar doc.
The rest is datetime object and timezone crap.
'''
cal = Calendar()
cal.add('prodid', '-//Crappy Calandar Cow/')
cal.add('version', '2.0')
for item in self.events_list:
event = Event()
event.add('summary', item["summary"])
event.add('dtstart', item["start"].astimezone(pytz.utc))
event.add('dtend', item["end"].astimezone(pytz.utc))
event.add('dtstamp', datetime.utcnow())
event.add('location', vText(item["location"]))
event.add('description', vText(item["description"]))
event.add('class', 'PUBLIC')
organizer = vCalAddress('MAILTO:noreply@facebook.com')
organizer.params['cn'] = vText(item["organizer"])
event['organizer'] = organizer
event['uid'] = item["id"] + '@facebook.com'
# add the event to calandar
cal.add_component(event)
with open(self.dump, 'wb') as filehandle:
filehandle.write(cal.to_ical())
def safe_find_element_by_id(self, elem_id):
'''
Find element by ID
input: elem_id
return: elemts
'''
try:
return self.browser.find_element_by_id(elem_id)
except NoSuchElementException:
return None
def safe_find_element_by_class_name(self, elem_class):
'''
Find element by class name
input: elem_class
return: elemts
'''
try:
return self.browser.find_element_by_class_name(elem_class)
except NoSuchElementException:
return None
def login(self, email, password):
'''
Login into FB
Note: We bypass the FaceBook-Graph-API by using a
selenium FireFox instance!
This is against the FB guide lines and thus not allowed.
USE THIS FOR EDUCATIONAL PURPOSES ONLY. DO NOT ACTAULLY RUN IT.
'''
try:
self.browser.get("https://www.facebook.com")
self.browser.maximize_window()
# filling the form
self.browser.find_element_by_name('email').send_keys(email)
self.browser.find_element_by_name('pass').send_keys(password)
# clicking on login button
self.browser.find_element_by_id('loginbutton').click()
# if your account uses multi factor authentication
mfa_code_input = self.safe_find_element_by_id('approvals_code')
if mfa_code_input is None:
return
mfa_code_input.send_keys(input("Enter MFA code: "))
self.browser.find_element_by_id('checkpointSubmitButton').click()
# there are so many screens asking you to verify things. Just skip
# them all
while self.safe_find_element_by_id(
'checkpointSubmitButton') is not None:
dont_save_browser_radio = self.safe_find_element_by_id('u_0_3')
if dont_save_browser_radio is not None:
dont_save_browser_radio.click()
self.browser.find_element_by_id(
'checkpointSubmitButton').click()
except Exception as exception:
print("There's some error in log in.")
print(exception)
print(sys.exc_info()[0])
sys.exit()
def parse_file(file_path):
'''
Parse FB page file
input: filepath
output: list of urls
Retrieve correctly formated events page from the input file.
Try to prevent crash due to human error.
'''
# Check if the file exist
if not os.path.isfile(file_path):
sys.exit('No such file or directory: {}'.format(file_path))
# Open the file
with open(file_path) as file:
lines = file.read().splitlines()
urls = []
for line in lines:
# Filters anything that doesn't look like an FB events page url
if re.match(r'^(https://)?(www.)?facebook.com/\S+/events/$', line):
urls.append(line)
if len(urls) <= 0:
sys.exit('Error no facebook url found in {}'.format(file_path))
return urls
def get_credentials(file_path='credentials.txt'):
'''
Retrieve credentials from credentials.txt
output: email, password
'''
# Check if the file exist
if not os.path.isfile(file_path):
sys.exit('No such file or directory: {}'.format(file_path))
with open(file_path) as file:
email = file.readline().split('"')[1]
password = file.readline().split('"')[1]
if email == "" or password == "":
print(
"Your email or password is missing. Kindly write them in credentials.txt")
sys.exit()
return(email, password)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description='Non API public FB event miner')
parser.add_argument('-e', '--events', nargs='+',
dest="events",
help="List the pages you want to scrape for events")
parser.add_argument(
'-f',
'--file',
dest='file',
help='file with the list of pages to scrape for events')
parser.add_argument('-o', '--output',
dest='output_file',
default='facebook-events.ics',
help='output ical file name')
parser.add_argument('-c', '--credentials',
action='store_true',
help="use credentials from credentials.txt")
parser.add_argument('-hl', '--headless',
action='store_true',
default=False,
help='run FireFox in headless mode')
parser.add_argument('-q', '--quiet',
action='store_true',
help='silence output')
args = parser.parse_args()
# Quiet mode
if args.quiet:
sys.stdout = sys.stderr = open(os.devnull, 'w')
# Retrieve events urls
events_url = []
if args.events:
events_url = events_url + args.events
if args.file:
events_url = events_url + parse_file(args.file)
if len(events_url) == 0:
sys.exit('No input provided')
else:
print("{} events pages urls retrieved".format(len(events_url)))
C = CollectEvents(
ids=events_url,
corpus_file=args.output_file,
headless=args.headless)
if args.credentials:
login, password = get_credentials()
C.login(login, password)
C.collect()