/
forum_collector.py
137 lines (126 loc) · 3.77 KB
/
forum_collector.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
from BeautifulSoup import BeautifulSoup
import urllib2
import time
import os
import random
import cPickle as pickle
def init():
try:
forum_pkl = open('data/forum_store.pkl', 'rb')
forum_ids = pickle.load(forum_pkl)
forum_pkl.close()
except:
forum_pkl, forum_ids = None, []
return forum_ids
def save(forum_ids):
try:
forum_pkl = open('data/forum_store.pkl', 'wb')
pickle.dump(forum_ids, forum_pkl)
forum_pkl.flush()
forum_pkl.close()
except:
print "ERROR: Unable to pickle forum_store."
return
def findLimit():
core_url = "http://forum.419eater.com/forum/"
page_name = "viewforum.php"
forum_args = "?f=18&start="
page_increment = 0
while True:
try:
current_page = urllib2.urlopen(core_url + page_name + forum_args + str(page_increment))
except:
return 300
soup = BeautifulSoup(current_page)
count = 0
for link in soup.findAll('a', href=True):
if 'viewtopic.php' in link['href']:
if count > 7:
break
count += 1
if count == 7:
break
page_increment += 30
return page_increment - 30 # adjust for final, empty page
def crawlIndex(limit=270):
links = []
exceptions = ['188427', '105921', '190170', '176248'] # administrative topics
core_url = "http://forum.419eater.com/forum/"
page_name = "viewforum.php"
forum_args = "?f=18&start="
page_increment = 0
while page_increment <= limit:
try:
current_page = urllib2.urlopen(core_url + page_name + forum_args + str(page_increment))
except:
print "Failing on:", core_url + page_name + forum_args + str(page_increment)
soup = BeautifulSoup(current_page)
for link in soup.findAll('a', href=True):
if 'viewtopic.php' in link['href']:
try:
link_id = link['href'].split('&')[0].split('=')[1]
if link_id not in links and str(link_id) not in exceptions:
links.append(str(link_id))
except:
print "Problem in link separation"
page_increment += 30
return list(set(links) - set(exceptions))
def crawlPost(link_id):
exceptions = ['ipTRACKERonline.com']
core_url = "http://forum.419eater.com/forum/"
page_name = "viewtopic.php"
forum_args = "?t="
response = None
try:
post = urllib2.urlopen(core_url + page_name + forum_args + link_id)
soup = BeautifulSoup(post, convertEntities=BeautifulSoup.HTML_ENTITIES)
try: # hating BeautifulSoup
response = soup.findAll("td", {"class": "postbody"})[1]
response = response.renderContents()
for elem in exceptions:
if elem in response:
return None
response = response.replace('<br />\n<br />\n', '<magic>\n')
response = response.replace('<br />\n', '')
response = response.replace('<magic>\n', '<br />\n')
response = BeautifulSoup(response)
response = response.findAll(text=True)
response = ''.join(response)
response = response.encode('ascii', 'ignore')
response = response.replace('\r\n ', '\r\n')
response = response.replace('\n\n Quote: ', '')
except:
return None
except:
print "Failing on:", core_url + page_name + forum_args + link_id
return response # WARNING: Unicode
def crawlAndWrite(links):
forum_ids = init()
module_id = 'CRAWLER'
base = os.environ['HOME'] + '/dev/proj/incoming/' + module_id + '-'
for link_id in links:
response = crawlPost(link_id)
if response and str(link_id) not in forum_ids:
tmp_name = base + str(link_id) + '.tmp'
final_name = base + str(link_id) + '.ready'
fileh = open(tmp_name, 'w')
fileh.write(response)
fileh.flush()
fileh.close()
os.rename(tmp_name, final_name) # Atomic
forum_ids.append(str(link_id))
save(forum_ids)
return
def go():
crawlAndWrite(crawlIndex(findLimit()))
return
if __name__ == "__main__":
while True:
try:
print "Crawling..."
go()
idle = random.choice(range(10, 35)) * 100
print "Waiting %d secs." % (idle)
time.sleep(idle)
except Exception, e:
print "Caught exception:", e