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client.py
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client.py
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#!/usr/bin/env python
#-*- coding: UTF-8 -*-
__author__ = 'helljump'
import logging
from urlparse import urljoin
from StringIO import StringIO
from grab import Grab
import PyV8
from PIL import Image
from PyQt4 import QtCore
from tesseract import Tesseract, TessPageSegMode
import startup
log = logging.getLogger(__name__)
class Avito():
PAGETRY = 3
SLEEP = 1
def __init__(self, proxy=None):
self.PAGETRY, rc = startup.CFG.value('pagetry', Avito.PAGETRY).toInt()
self.SLEEP, rc = startup.CFG.value('sleep', Avito.SLEEP).toInt()
self.g = Grab()
self.g.setup(hammer_mode=True, hammer_timeouts=((2, 5), (5, 10)))
if __name__ == '__main__':
self.g.setup(log_dir='dump')
if proxy:
self.g.load_proxylist(proxy, 'text_file', 'http', auto_init=True, auto_change=False)
self.tess = Tesseract()
self.tess.set_pagemode(TessPageSegMode.PSM_SINGLE_LINE)
def _go3(self, url, tag):
c = self.PAGETRY
while c:
try:
self.g.change_proxy()
self.g.go(url)
self.g.assert_substring(u'content="51a6d66a02fb23c7"')
break
except:
log.exception('%s left %i', tag, c)
c -= 1
QtCore.QThread.sleep(self.SLEEP)
else:
raise Exception('%s error' % tag)
def get_links(self, url):
self._go3(url, 'start page')
c = 999
while True:
links = self.g.doc.select('//h3[@class="title"]/a/@href')
if not links:
raise Exception('no links')
for link in links:
c -= 1
if not c:
return
yield urljoin(url, link.text())
next = self.g.doc.select('//a[@class="next"]/@href')
if not next:
log.debug('last page?')
break
QtCore.QThread.sleep(self.SLEEP)
nurl = urljoin(url, next.text())
log.debug('open next page %s', nurl)
self._go3(nurl, 'next page')
def get_photos(self, photos):
g = self.g.clone()
datas = []
for url in photos:
if not url.startswith('http:'):
url = 'http:' + url
c = self.PAGETRY
while c:
try:
rc = g.go(url)
g.assert_substring('JFIF', byte=True)
datas.append(rc.body)
break
except:
log.exception('get_item left %i', c)
c -= 1
g.change_proxy()
QtCore.QThread.sleep(self.SLEEP)
else:
raise Exception('get photo error')
return datas
def get_item(self, url):
g = self.g.clone()
c = self.PAGETRY
while c:
try:
g.change_proxy()
g.go(url)
g.assert_substring(u'content="499bdc75d3636c55"') # avitos ya id
break
except:
log.exception('get_item left %i', c)
c -= 1
QtCore.QThread.sleep(self.SLEEP)
else:
raise Exception('get item error')
doc = g.doc
title = doc.select('//h1[@itemprop="name"]').text()
gallery = doc.select('//div[@class="gallery-item"]')
photos = [s.text() for s in gallery.select('.//a[@class="gallery-link"]/@href')]
if not photos:
egg = doc.select('//img[contains(@class,"j-zoom-gallery-init")]/@src')
if egg:
photos.append(egg.text())
item = doc.select('//div[@itemprop="offers"]')
#price = item.select('.//strong[@itemprop="price"]').text()
price = item.select('.//span[@itemprop="price"]').text()
name = item.select('.//strong[@itemprop="name"]').text()
try:
town = item.select('.//span[@id="toggle_map"]/span[@itemprop="name"]').text()
except:
log.warning('xpath town not found, try another way')
town = item.select('.//div[@id="map"]/span[@itemprop="name"]').text()
#desc = item.select('.//div[@id="desc_text"]').text()
desc = doc.select("//div[contains(@class,\"description-text\")]").text()
#<span id="item_id">348967351</span>
item_id = doc.select('//span[@id="item_id"]').text()
_url = g.rex_text("avito.item.url = '([^>]+?)'")
_phone = g.rex_text("avito.item.phone = '([^>]+?)'")
loc = {
'item_phone': _phone,
'item': {'id': item_id, 'url': _url}
}
log.debug('jslock enter <--')
with PyV8.JSContext(loc) as ctx:
ctx.enter()
ctx.eval('''function phoneDemixer(key){var
pre=key.match(/[0-9a-f]+/g),mixed=(item.id%2===0?pre.reverse():pre).join(''),s=mixed.length,r='',k;for(k=0;k<s;++k){if(k%3===0){r+=mixed.substring(k,k+1);}}
return r;}''')
#http://www.avito.ru/items/phone/348967351?pkey=6fec07a9bb9902ad4ccbd87c240cfdc4
egg = ctx.eval("'/items/phone/'+item.id+'?pkey='+phoneDemixer(item_phone)")
#egg = ctx.eval("'/items/phone/'+item.url+'?pkey='+phoneDemixer(item_phone)")
log.debug('js rc %s', egg)
ctx.leave()
log.debug('jslock leave -->')
phone = ''
c = self.PAGETRY
while c:
log.debug('read phone image')
try:
rc = g.go(urljoin(url, egg))
img = Image.open(StringIO(rc.body))
phone = self.tess.from_image(img, basewidth=300, whitelist='0123456789-')
break
except:
g.change_proxy()
log.exception('get_phone left %i', c)
c -= 1
QtCore.QThread.sleep(self.SLEEP)
else:
log.debug('get phone error')
return dict(item=item_id, title=title, photos=photos, price=price, name=name, town=town,
desc=desc, phone=phone)
def main():
p = Avito() # r"d:\work\proxycheck2\rusarticles.txt")
item = p.get_item('http://www.avito.ru/krasnodar/kvartiry/3-k_kvartira_103_m_1718_et._457340825')
print item['town']
print item['phone']
print len(p.get_photos(item['photos']))
'''
c = 0
for link in p.get_links('http://www.avito.ru/lipetsk/noutbuki'):
c += 1
print "%i.%s" % (c, link)
if c > 10:
break
'''
if __name__ == '__main__':
logging.basicConfig(level=logging.DEBUG)
main()