def download_wechat_topics(self, wechat_id, process_topic):
""" 在微信号的文章列表页面，逐一点击打开每一篇文章，并爬取 """
browser = self.browser
js = """ return document.documentElement.innerHTML; """
body = browser.execute_script(js)
htmlparser = etree.HTMLParser()
tree = etree.parse(StringIO(body), htmlparser)
elems = [item.strip() for item in tree.xpath("//h4[@class='weui_media_title']/text()") if item.strip()]
hrefs = ['http://mp.weixin.qq.com%s' % item for item in tree.xpath("//h4[@class='weui_media_title']/@hrefs")]
elems_avatars = tree.xpath("//div[@class='weui_media_box appmsg']/span/@style")
avatars = [item[21:-1] for item in elems_avatars]
elems_abstracts = tree.xpath("//p[@class='weui_media_desc']")
abstracts = [item.text.strip() if item.text else '' for item in elems_abstracts]
links = []
for idx, item in enumerate(elems[:10]):
title = item
print title
if not title:
continue
uniqueid = get_uniqueid('%s:%s' % (wechat_id, title))
try:
Topic.objects.get(uniqueid=uniqueid)
except Topic.DoesNotExist:
#print len(elems), len(hrefs), len(avatars), len(abstracts)
#print elems, hrefs, avatars, abstracts
links.append((title, hrefs[idx], avatars[idx], abstracts[idx]))
logger.debug('文章不存在, title=%s, uniqueid=%s' % (title, uniqueid))
for title, link, avatar, abstract in reversed(links):
# 可以访问了
browser.get(link)
time.sleep(3)
if 'antispider' in browser.current_url:
"""被检测出爬虫了"""
self.log_antispider()
time.sleep(randint(1, 5))
else:
js = """
var imgs = document.getElementsByTagName('img');
for(var i = 0; i < imgs.length; i++) {
var dataSrc = imgs[i].getAttribute('data-src');
if (dataSrc){
imgs[i].setAttribute('src', dataSrc);
}
}
return document.documentElement.innerHTML;
"""
body = browser.execute_script(js)
process_topic({
'url': browser.current_url,
'body': body,
'avatar': avatar,
'title': title,
'abstract': abstract,
'kind': KIND_NORMAL
})
time.sleep(randint(1, 5))
def download_wechat_topics(self, wechat_id, process_topic):
""" 在微信号的文章列表页面，逐一点击打开每一篇文章，并爬取 """
browser = self.browser
js = """ return document.documentElement.innerHTML; """
body = browser.execute_script(js)
htmlparser = etree.HTMLParser()
tree = etree.parse(StringIO(body), htmlparser)
elems = [item.strip() for item in tree.xpath("//h4[@class='weui_media_title']/text()") if item.strip()]
hrefs = ['http://mp.weixin.qq.com%s' % item for item in tree.xpath("//h4[@class='weui_media_title']/@hrefs")]
elems_avatars = tree.xpath("//div[@class='weui_media_box appmsg']/span/@style")
avatars = [item[21:-1] for item in elems_avatars]
elems_abstracts = tree.xpath("//p[@class='weui_media_desc']")
abstracts = [item.text.strip() if item.text else '' for item in elems_abstracts]
links = []
for idx, item in enumerate(elems[:10]):
title = item
print title
if not title:
continue
uniqueid = get_uniqueid('%s:%s' % (wechat_id, title))
try:
Topic.objects.get(uniqueid=uniqueid)
except Topic.DoesNotExist:
#print len(elems), len(hrefs), len(avatars), len(abstracts)
#print elems, hrefs, avatars, abstracts
links.append((title, hrefs[idx], avatars[idx], abstracts[idx]))
logger.debug('文章不存在, title=%s, uniqueid=%s' % (title, uniqueid))
for title, link, avatar, abstract in reversed(links):
# 可以访问了
browser.get(link)
time.sleep(3)
if 'antispider' in browser.current_url:
"""被检测出爬虫了"""
self.log_antispider()
time.sleep(randint(1, 5))
else:
js = """
var imgs = document.getElementsByTagName('img');
for(var i = 0; i < imgs.length; i++) {
var dataSrc = imgs[i].getAttribute('data-src');
if (dataSrc){
imgs[i].setAttribute('src', dataSrc);
}
}
return document.documentElement.innerHTML;
"""
body = browser.execute_script(js)
process_topic({
'url': browser.current_url,
'body': body,
'avatar': avatar,
'title': title,
'abstract': abstract,
'kind': KIND_NORMAL
})
time.sleep(randint(1, 5))
def download_wechat_keyword_topics(self, word, process_topic):
""" 在关键词下的文章列表页面，逐一点击打开每一篇文章，并爬取 """
browser = self.browser
js = """ return document.documentElement.innerHTML; """
body = browser.execute_script(js)
htmlparser = etree.HTMLParser()
tree = etree.parse(StringIO(body), htmlparser)
elems = [stringify_children(item).replace('red_beg', '').replace('red_end', '') for item in tree.xpath("//div[@class='txt-box']/h4/a")]
hrefs = tree.xpath("//div[@class='txt-box']/h4/a/@href")
avatars = tree.xpath("//div[@class='img_box2']/a/img/@src")
elems_abstracts = tree.xpath("//div[@class='txt-box']/p")
abstracts = [item.text.strip() if item.text else '' for item in elems_abstracts]
links = []
for idx, item in enumerate(elems[:10]):
title = item
print title
if not title:
continue
uniqueid = get_uniqueid('%s:%s' % (word, title))
try:
Topic.objects.get(uniqueid=uniqueid)
except Topic.DoesNotExist:
#print len(elems), len(hrefs), len(avatars), len(abstracts)
print elems, hrefs, avatars, abstracts
links.append((title, hrefs[idx], avatars[idx], abstracts[idx]))
logger.debug('文章不存在, title=%s, uniqueid=%s' % (title, uniqueid))
for title, link, avatar, abstract in reversed(links):
# 可以访问了
browser.get(link)
time.sleep(3)
if 'antispider' in browser.current_url:
"""被检测出爬虫了"""
self.log_antispider()
time.sleep(randint(1, 5))
else:
js = """
var imgs = document.getElementsByTagName('img');
for(var i = 0; i < imgs.length; i++) {
var dataSrc = imgs[i].getAttribute('data-src');
if (dataSrc){
imgs[i].setAttribute('src', dataSrc);
}
}
return document.documentElement.innerHTML;
"""
body = browser.execute_script(js)
process_topic({
'url': browser.current_url,
'body': body,
'avatar': avatar,
'title': title,
'abstract': abstract,
'kind': KIND_KEYWORD
})
time.sleep(randint(1, 5))
def process(self, params):
C = self._class
# 排除被屏蔽的情况
if 'mp.weixin.qq.com' not in params.get('url'):
return
# 排除代理失败的情况
if 'wx.qq.com' not in params.get('source'):
return
# 存储数据
if params.get('kind') in [KIND_DETAIL, KIND_KEYWORD]:
params.pop('kind', None)
params.pop('retry', None)
# 保存微信号
wechatid = params.pop('wechatid', '')
name = params.pop('name', '')
intro = params.pop('intro', '')
qrcode = params.pop('qrcode', '')
wechat, created = Wechat.objects.get_or_create(
wechatid=wechatid,
defaults={
"wechatid": wechatid,
"name": name,
"intro": intro,
"qrcode": qrcode,
"status": Wechat.STATUS_DISABLE
})
# 如果微信号状态为已删除,则不保存这篇文章
if wechat.status == Wechat.STATUS_DELETE:
return
# 保存文章
params['wechat_id'] = wechat.id
params['uniqueid'] = get_uniqueid(
'%s:%s' % (params['wechat_id'], params['title']))
C.objects.update_or_create(uniqueid=params['uniqueid'],
defaults=params)
else:
params.pop('kind', None)
params.pop('retry', None)
params['uniqueid'] = get_uniqueid(
'%s:%s' % (params['wechat_id'], params['title']))
C.objects.update_or_create(uniqueid=params['uniqueid'],
defaults=params)
def process(self, params):
C = self._class
# 排除被屏蔽的情况
if 'mp.weixin.qq.com' not in params.get('url'):
return
# 排除代理失败的情况
if 'wx.qq.com' not in params.get('source'):
return
# 存储数据
if params.get('kind') in [KIND_DETAIL, KIND_KEYWORD]:
params.pop('kind', None)
params.pop('retry', None)
# 保存微信号
wechatid = params.pop('wechatid', '')
name = params.pop('name', '')
intro = params.pop('intro', '')
qrcode = params.pop('qrcode', '')
wechat, created = Wechat.objects.get_or_create(wechatid=wechatid, defaults={
"wechatid": wechatid,
"name": name,
"intro": intro,
"qrcode": qrcode,
"status": Wechat.STATUS_DISABLE
})
# 如果微信号状态为已删除,则不保存这篇文章
if wechat.status == Wechat.STATUS_DELETE:
return
# 保存文章
params['wechat_id'] = wechat.id
params['uniqueid'] = get_uniqueid('%s:%s' % (params['wechat_id'], params['title']))
C.objects.update_or_create(uniqueid=params['uniqueid'], defaults=params)
else:
params.pop('kind', None)
params.pop('retry', None)
params['uniqueid'] = get_uniqueid('%s:%s' % (params['wechat_id'], params['title']))
C.objects.update_or_create(uniqueid=params['uniqueid'], defaults=params)
def download_xb_wechat_keyword_topics(self,word,process_topic,data):
""" 在新榜的文章列表页面，逐一点击文章并下载 """
browser = self.browser
try:
WebDriverWait(browser, 10).until(EC.visibility_of_element_located((By.CLASS_NAME, 'inside-ul-li')))
js = """ return document.documentElement.innerHTML; """
body = browser.execute_script(js)
htmlparser = etree.HTMLParser()
tree = etree.parse(StringIO(body), htmlparser)
elems = [stringify_children(item) for item in tree.xpath("//div[@class='inside-li-top']/p")]
hrefs = tree.xpath("//ul[@class='inside-left-file']/li/@data-url")
avatars = [''] * len(elems)
abstracts = [''] * len(elems)
links = []
for idx, item in enumerate(elems):
title = item
print title
if not title:
continue
uniqueid = get_uniqueid('%s:%s' % (word, title))
try:
Topic.objects.get(uniqueid=uniqueid)
except Topic.DoesNotExist:
# print len(elems), len(hrefs), len(avatars), len(abstracts)
print elems, hrefs, avatars, abstracts
links.append((title, hrefs[idx], avatars[idx], abstracts[idx]))
logger.debug('文章不存在, title=%s, uniqueid=%s' % (title, uniqueid))
for title, link, avatar, abstract in reversed(links):
# 可以访问了
browser.get(link)
time.sleep(3)
if 'antispider' in browser.current_url:
""" 检测出爬虫"""
self.log_antispider()
time.sleep(randint(1, 5))
elif browser.title == '':
""" 该文章已经被删除"""
logger.debug('文章已经被删除')
continue
else:
js = """
var imgs = document.getElementsByTagName('img');
for(var i = 0; i < imgs.length; i++) {
var dataSrc = imgs[i].getAttribute(' data-src');
if (dataSrc){
imgs[i].setAttribute('src', dataSrc);
}
}
return document.documentElement.innerHTML;
"""
body = browser.execute_script(js)
process_topic({
'url': browser.current_url,
'body': body,
'avatar': avatar,
'title': title,
'abstract': abstract,
'kind': KIND_KEYWORD
}, data)
time.sleep(randint(1, 5))
except TimeoutException as ex:
print("未找到文章列表" + str(ex))
browser.close()
def download_wechat_keyword_topics(self, word, process_topic):
""" 在关键词下的文章列表页面，逐一点击打开每一篇文章，并爬取 """
browser = self.browser
js = """ return document.documentElement.innerHTML; """
body = browser.execute_script(js)
htmlparser = etree.HTMLParser()
tree = etree.parse(StringIO(body), htmlparser)
elems = [stringify_children(item).replace('red_beg', '').replace('red_end', '') for item in tree.xpath("//div[@class='txt-box']/h3/a")]
hrefs = tree.xpath("//div[@class='txt-box']/h3/a/@href")
#avatars = tree.xpath("//div[@class='img-box']/a/img/@src")
#elems_abstracts = tree.xpath("//div[@class='txt-box']/p")
#abstracts = [item.text.strip() if item.text else '' for item in elems_abstracts]
avatars = [''] * len(elems)
abstracts = [''] * len(elems)
links = []
for idx, item in enumerate(elems):
title = item
print title
if not title:
continue
uniqueid = get_uniqueid('%s:%s' % (word, title))
try:
Topic.objects.get(uniqueid=uniqueid)
except Topic.DoesNotExist:
#print len(elems), len(hrefs), len(avatars), len(abstracts)
print elems, hrefs, avatars, abstracts
links.append((title, hrefs[idx], avatars[idx], abstracts[idx]))
logger.debug('文章不存在, title=%s, uniqueid=%s' % (title, uniqueid))
for title, link, avatar, abstract in reversed(links):
# 可以访问了
browser.get(link)
time.sleep(3)
if 'antispider' in browser.current_url:
"""被检测出爬虫了"""
self.log_antispider()
time.sleep(randint(1, 5))
else:
js = """
var imgs = document.getElementsByTagName('img');
for(var i = 0; i < imgs.length; i++) {
var dataSrc = imgs[i].getAttribute('data-src');
if (dataSrc){
imgs[i].setAttribute('src', dataSrc);
}
}
return document.documentElement.innerHTML;
"""
body = browser.execute_script(js)
process_topic({
'url': browser.current_url,
'body': body,
'avatar': avatar,
'title': title,
'abstract': abstract,
'kind': KIND_KEYWORD
})
time.sleep(randint(1, 5))
