-
Notifications
You must be signed in to change notification settings - Fork 1
/
itemSpider.py
155 lines (126 loc) · 4.5 KB
/
itemSpider.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
# -*- coding: utf-8 -*-
"""
This is a spider to scrape item urls from taubao
"""
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
import numpy as np
import re
import time
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary
from selenium.webdriver import ActionChains
from selenium.common.exceptions import TimeoutException
class mySearchPageSpider:#{
def __init__(self, chrome_path):#{
self.chrome_path = chrome_path
self.driver = webdriver.Chrome(chrome_path)
#}
def setDriver(self, driver):#{
self.driver = driver
#}
def browsePage(self, url):#{
self.driver.get(url)
#}
def closeBroser(self):#{
self.driver.quit()
#}
def possionWait(self, i):#{
#self.driver.implicitly_wait(1+np.random.poisson(1))
time.sleep(i+np.random.poisson(1))
#}
def indicatePageLoaded(self, url):#{
try:#{
WebDriverWait(self.driver, 10).until(
EC.presence_of_element_located((By.XPATH,""" //*[@id="J_DivItemDesc"]""")))
return True
#}
except TimeoutException:#{
with open("/Users/johnmanli/Documents/selenium_chromeDriver/imgUrl/tiomeOutErrLog.csv", "a") as errLog: #{
errLog.write("Load Page")
errLog.write(',')
errLog.write(url)
errLog.write('\n')
return False
#}
finally:#{
print "page load finish"
#}
def scrollToEnd(self, url):#{
self.driver.execute_script("setInterval(function(){ window.scrollBy(0, 50);}, 100);")
while True:#{
#print "going to bottom"
if(self.driver.execute_script("if((window.innerHeight + window.scrollY) >= document.body.offsetHeight){return 1;}")):#{
break
#}
#}
try:#{
ps = WebDriverWait(self.driver, 10).until(
EC.presence_of_all_elements_located((By.XPATH,"""//*[@id="J_DivItemDesc"]/p""")))
print "p len: ", len(ps)
#}
except TimeoutException:#{
with open("/Users/johnmanli/Documents/selenium_chromeDriver/imgUrl/tiomeOutErrLog.csv", "a") as errLog: #{
errLog.write("p tag")
errLog.write(',')
errLog.write(url)
errLog.write('\n')
return False
#}
finally:#{
pass
#}
try:#{
for p in ps:#{
imgs = p.find_elements(By.TAG_NAME,'img')
print "img len: ", len(imgs)
#write the img url
for img in imgs:#{
#print img.get_attribute("src")
extractedURL = img.get_attribute("src")
if isinstance(extractedURL, basestring):
with open("/Users/johnmanli/Documents/selenium_chromeDriver/imgUrl/imgUrl.txt", "a") as imgUrl: #{
imgUrl.write(extractedURL)
imgUrl.write('\n')
#}
#}
#}
finally:#{
print "img load finish"
#}
#}
def getImgUrl(pageSpider, url):#{
#url = "https://world.taobao.com/item/542843153345.htm#detail"
#item url
pageSpider.browsePage(url)
if pageSpider.indicatePageLoaded(url):
pageSpider.scrollToEnd(url)
# now it become scrollToEnd and save (no eyes see)
#}
def main():#{
#initial selenium webdriver
chrome_path = "/Users/johnmanli/Documents/selenium_chromeDriver/chromedriver"
pageSpider = mySearchPageSpider(chrome_path)
try:#{
with open('/Users/johnmanli/Documents/selenium_chromeDriver/itemUrl/itemUrl.txt', 'r') as f:#{
for line in f:#{
print line
getImgUrl(pageSpider, line)
#}
#}
#}
finally:#{
print "bye"
pageSpider.closeBroser()
#}
#}
#url = "https://world.taobao.com/item/542843153345.htm#detail"
#getImgUrl(url)
#driver.get("http://tw.yahoo.com/")
#//*[@id="J_DivItemDesc"]/p[2]/img[1]
#//*[@id="J_DivItemDesc"]/p[2]/img[2]
#//*[@id="J_DivItemDesc"]/p[1]/img[1]
if __name__ == "__main__":
main()