-
Notifications
You must be signed in to change notification settings - Fork 2
/
parser.py
217 lines (191 loc) · 8.94 KB
/
parser.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
#!/usr/bin/python
from time import *
import time
import sys
import requests
import json
from bs4 import BeautifulSoup
import os
import Queue
import threading
import sqlite3
import logging
from config import *
logger = logging.getLogger('parser')
class parser(threading.Thread):
def __init__(self, name, delay, wh_url_base, wh_url_id1, starting_page, q, signature_count, exit_event, db):
threading.Thread.__init__(self)
self.delay = delay
self.wh_url_base = wh_url_base
self.wh_url_id1 = wh_url_id1
self.starting_page = starting_page
self.signature_count = signature_count
self.q = q
self.exit_event = exit_event
self.exitFlag = False
self.db = db
self.conn = sqlite3.connect(self.db, check_same_thread = False)
self.c = self.conn.cursor()
logger.debug("constructed")
def create_db_connection(self):
self.conn = sqlite3.connect(self.db)
self.c = self.conn.cursor()
logger.debug("sqlite connection created")
def run(self):
while not self.exitFlag:
next_page = self.starting_page
page_num = 1
previous_changes_made = True
while next_page != '' and (previous_changes_made or complete_flag) and not self.exit_event.wait(0):
#print "THREAD: parser: requesting . . ."
soup = self.get_soup(page_num, next_page)
if soup != -1:
previous_changes_made = False
#print "THREAD: parser: parsing . . ."
for entry in soup.find_all("div", {"class" : "entry-reg"}):
signature_dict = self.parse_entry(entry, next_page)
#print "THREAD: parser: writing . . ."
new = self.write_db(signature_dict)
if new:
#Write to tweeter Queue here
logger.debug("adding %s %s to the queue" % (signature_dict['first_name'], signature_dict['last_initial']))
self.q.put(signature_dict['first_name'] + ' ' + signature_dict['last_initial'])
logger.debug("updating signature_count . . .")
if signature_dict['sig_num'] > self.signature_count.get():
logger.info("new max signature count: %s" % signature_dict['sig_num'])
self.signature_count.set(signature_dict['sig_num'])
previous_changes_made = True
page_num += 1
next_page = self.get_next_page(soup)
if self.exit_event.wait(self.delay):
self.exit()
logger.debug("closing sqlite connection . . .")
self.c.close()
logger.info('exiting thread')
print "Exiting: parser"
def exit(self):
logger.debug("initializing exit procedure . . .")
self.exitFlag = True
#takes the page number and page, grabs json, returns soup
def get_soup(self, page_num, page):
wh_url = self.wh_url_base + self.wh_url_id1 + "/" + str(page_num) + "/" + page
logger.debug("requesting %s" % wh_url)
try:
r = requests.get(wh_url, timeout = 3)
except:
print "THREAD: parser: requests.get() timed out"
logger.warning("request to %s timed out" % wh_url)
return -1
logger.debug("get() successful")
response = r.content
status_code = r.status_code
payload = json.loads(response)["markup"]
soup = BeautifulSoup(payload)
logger.debug("soup created successfully")
return soup
#takes a signature_dict
#returns True if it didn't find the sig_num and wrote the signature to the db
#returns False otherwise
def write_db(self, signature_dict):
#database insertion
#verify that signature doesn't exist already
#print "THREAD: parser: querying . . ."
query = "SELECT signatures.sig_num FROM signatures WHERE signatures.sig_num = " + signature_dict['sig_num']
self.c.execute(query)
row = self.c.fetchone()
if (row == None):
print "DB: " + signature_dict['sig_num'] + " not found"
logger.info("DB: " + signature_dict['sig_num'] + " not found")
#Add signature to the DB
signature_dict['time_added'] = strftime("%Y-%m-%d %H:%M:%S", gmtime())
insert_values = "(null, :page, :sig_num, :first_name, :last_initial, :sig_date, :location_city, :location_state, :location_other, :time_added)"
logger.info("inserting %s: %s %s" % (signature_dict['sig_num'],
signature_dict['first_name'],
signature_dict['last_initial']))
self.c.execute("INSERT INTO signatures VALUES " + insert_values, signature_dict)
logger.debug("inserted. commiting . . .")
self.conn.commit()
return True
else:
print "DB: " + signature_dict['sig_num'] + " found"
logger.info("DB: " + signature_dict['sig_num'] + " found")
return False
#takes a signature entry, gives a signature_dict
def parse_entry(self, entry, page):
signature_dict = { "page":None,
"sig_num":None,
"first_name":None,
"last_initial":None,
"sig_date":None,
"location_city":None,
"location_state":None,
"location_other":None,
"time_added": None}
logger.debug("parsing signature entry")
#page
signature_dict['page'] = page
#first and last name
the_name = entry.div.string
clean_name = the_name.replace(" "," ").replace(" "," ")
if not "@" in clean_name:
signature_dict['first_name'] = clean_name.split(' ')[0]
else:
signature_dict['first_name'] = clean_name.split('@')[0]
name_length = len(clean_name)
if name_length > 1:
clean_name_split = clean_name.split(' ')
clean_name_split.remove(clean_name_split[0])
signature_dict['last_initial'] = " ".join(clean_name_split)
else:
print "No last initials provided"
logger.debug("No last initials provided\n")
print "\n" + clean_name.encode('utf-8')
logger.debug("name: " + clean_name.encode('utf-8'))
# break up details into component pieces
the_details = entry.find("div", {"class" : "details" }).get_text().replace(" ","").replace(" ","")
the_details = the_details.split('\n')
location = the_details[1].split(',')
#location
if len(location) > 1:
signature_dict['location_city'] = location[0]
signature_dict['location_state'] = location[1].replace(" ","")
# Debug
print signature_dict['location_city'] + " " + signature_dict['location_state']
logger.debug("location: " + signature_dict['location_city'].encode('utf-8') + " " + signature_dict['location_state'].encode('utf-8'))
elif len(location) == 1:
signature_dict['other_location'] = location[0]
print signature_dict['other_location']
logger.debug("other location: " + signature_dict['other_location'].encode('utf-8'))
else:
print "Location parsing error with: " + location
logger.warning("Location parsing error with: " + location.encode('utf-8') + "\n")
full_date = the_details[2].split()
month = full_date[0]
day = full_date[1].replace(",","")
year = full_date[2]
strp_sig_date = strptime(year + ' ' + month + ' ' + day, "%Y %B %d")
signature_dict['sig_date'] = strftime("%Y-%m-%d %H:%M:%S", strp_sig_date)
# Debug:
print month + " " + day + " " + year
logger.debug("date: " + month + " " + day + " " + year)
full_sig = the_details[3].split()
signature_dict['sig_num'] = full_sig[2].replace(',','')
# Debug:
print signature_dict['sig_num']
logger.debug("sig_num: " + signature_dict['sig_num'])
logger.debug("parsing complete")
return signature_dict
#takes soup, returns next page to look at, null string if none
def get_next_page(self, soup):
logger.debug("finding next page")
anchors = soup.find_all("a", {"class" : "load-next"})
if len(anchors) == 1:
anchor = anchors[0]
wh_url_id2 = anchor.get('href').split('last=')[1]
logger.debug("next page: %s" % wh_url_id2)
else:
print "nextURL: not found"
logger.warning("nextURL: not found")
wh_url_id2 = ''
logger.debug("finding next page complete")
return wh_url_id2