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
| #! -*- coding:utf-8 -*-
from selenium import webdriver
from proxy import settings
from scrapy.http import HtmlResponse
import logging
import time
logger = logging.getLogger('PhantomjsDownloaderMiddleware')
class PhantomjsDownloaderMiddleware(object):
def __init__(self, options, max_sum):
self.options = options
self.max_sum = max_sum
@classmethod
def from_crawler(cls, crawler):
return cls(
options=crawler.settings.get('PHANTOMJS_OPTIONS', {}),
max_sum=crawler.settings.get('PHANTOMJS_MAXSUM', 2)
)
def process_request(self, request, spider):
service_args = ['--load-image=false', '--disk-cache=true']
if 'proxy' in request.meta:
service_args.append('--proxy=' + request.meta['proxy'][7:])
if 'port' in request.meta:
port = request.meta['port']
else:
port = 29842
try:
driver = webdriver.PhantomJS(port=port,
desired_capabilities={
'javascriptEnabled': True,
'platform': 'windows',
'browserName': 'Mozilla',
'version': '5.0',
'phantomjs.page.settings.userAgent': "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.57 Safari/537.36"
})
driver.get(request.url)
time.sleep(10)
content = driver.page_source.encode('utf-8')
url = driver.current_url.encode('utf-8')
driver.quit()
if content == '<html><head></head><body></body></html>':
logger.info('content is empty : 503')
return HtmlResponse(request.url, encoding='utf-8', status=503, body='')
else:
logger.info('content get success : 200')
return HtmlResponse(url, encoding='utf-8', status=200, body=content)
except Exception, e:
logger.warning(e)
logger.info('Exception content is empty : 503')
return HtmlResponse(request.url, encoding='utf-8', status=503, body='')
|