def main(self):
f_handler=open('out.log', 'w')
sys.stdout=f_handler
page = open('page.txt', 'r')
content = page.readline()
start_page = int(content.strip())-1
page.close()
print (self.getCurrentTime(),"开始页码",start_page)
print (self.getCurrentTime(),"爬虫正在启动,开始爬取爱问知识人问题")
self.total_num = self.getTotalPageNum()
print (self.getCurrentTime(),"获取到目录页面个数",self.total_num,"个")
if not start_page:
start_page = self.total_num
for x in range(1,start_page):
print (self.getCurrentTime(),"正在抓取第",start_page-x+1,"个页面")
try:
self.getQuestions(start_page-x+1)
except urllib.error.URLError as e:
if hasattr(e, "reason"):
print (self.getCurrentTime(),"某总页面内抓取或提取失败,错误原因", e.reason)
except Exception as e:
print (self.getCurrentTime(),"某总页面内抓取或提取失败,错误原因:",e)
if start_page-x+1 < start_page:
f=open('page.txt','w')
f.write(str(start_page-x+1))
print (self.getCurrentTime(),"写入新页码",start_page-x+1)
f.close()
def main(self):
f_handler = open('out.log', 'w+', encoding='utf-8')
# sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
sys.stdout = f_handler
with open('page.txt', 'w+',
encoding='utf-8') as page: # r+ 如果文件不存在不会创建
content = page.readline()
if content:
start_page = int(content.strip()) - 1
else:
start_page = "10"
print(self.getCurrentTime(), "开始页码", start_page.encode('utf-8'))
print(self.getCurrentTime(), "爬虫正在启动,开始爬取爱问知识人问题")
self.total_num = self.getTotalPageNum()
print(self.getCurrentTime(), "获取到目录页面个数", self.total_num, "个")
if not start_page:
start_page = self.total_num
for x in range(1, start_page):
print(self.getCurrentTime(), "正在抓取第", start_page - x + 1, "个页面")
try:
self.getQuestions(start_page - x + 1)
except urllib.request.URLError as e:
if hasattr(e, "reason"):
print(self.getCurrentTime(), "某总页面内抓取或提取失败,错误原因", e.reason)
except Exception as e:
print(self.getCurrentTime(), "某总页面内抓取或提取失败,错误原因:", e)
if start_page - x + 1 < start_page:
f = open('page.txt', 'wb+')
f.write(str(start_page - x + 1))
print(self.getCurrentTime(), "写入新页码", start_page - x + 1)
f.close()
def main(self):
f_handler=open('out.log', 'w',encoding='utf-8')
# sys.stdout=f_handler
page = open('page.txt', 'r')
content = page.readline()
start_page = int(content.strip()) - 1
page.close()
print(self.getCurrentTime()+"开始页码"+str(start_page))
print(self.getCurrentTime()+"爬虫正在启动,开始爬取爱问知识人问题")
self.total_num = self.getTotalPageNum()
print(self.getCurrentTime()+"获取到目录页面个数"+str(self.total_num)+"个")
if not start_page:
start_page = self.total_num
print(str(start_page))
for x in range(0,start_page):
print(self.getCurrentTime()+"正在抓取第"+str(start_page-x+1) +"个页面")
try:
self.getQuestions(start_page-x+1)
except urllib.error.HTTPError as e:
if hasattr(e, "reason"):
print(self.getCurrentTime()+"某总页面内抓取或提取失败,错误原因"+e.reason)
if start_page-x+1 < start_page:
f=open('page.txt','w')
f.write(str(start_page-x+1))
print(self.getCurrentTime()+"写入新页码"+str(start_page-x+1))
f.close()
def main(self):
f_handler=open('out.log', 'w')
sys.stdout=f_handler
page = open('page.txt', 'r')
content = page.readline()
start_page = int(content.strip()) - 1
page.close()
print self.getCurrentTime(),"开始页码",start_page
print self.getCurrentTime(),"爬虫正在启动,开始爬取爱问知识人问题"
self.total_num = self.getTotalPageNum()
print self.getCurrentTime(),"获取到目录页面个数",self.total_num,"个"
for x in range(1,start_page):
print self.getCurrentTime(),"正在抓取第",start_page-x+1,"个页面"
try:
self.getQuestions(start_page-x+1)
except urllib2.URLError, e:
if hasattr(e, "reason"):
print self.getCurrentTime(),"某总页面内抓取或提取失败,错误原因", e.reason
except Exception,e:
print self.getCurrentTime(),"某总页面内抓取或提取失败,错误原因:",e
def main(self):
f_handler = open('out.log', 'w')
sys.stdout = f_handler
page = open('page.txt', 'r')
content = page.readline()
start_page = int(content.strip()) - 1
page.close()
print self.getCurrentTime(), "开始页码", start_page
print self.getCurrentTime(), "爬虫正在启动,开始爬取爱问知识人问题"
self.total_num = self.getTotalPageNum()
print self.getCurrentTime(), "获取到目录页面个数", self.total_num, "个"
for x in range(1, start_page):
print self.getCurrentTime(), "正在抓取第", start_page - x + 1, "个页面"
try:
self.getQuestions(start_page - x + 1)
except urllib2.URLError, e:
if hasattr(e, "reason"):
print self.getCurrentTime(), "某总页面内抓取或提取失败,错误原因", e.reason
except Exception, e:
print self.getCurrentTime(), "某总页面内抓取或提取失败,错误原因:", e
def start(self):
f_handler = open('out.log','w')
sys.stdout = f_handler
page = open('page.txt','r')
content = page.readline()
start_page = 10
page.close()
print self.getCurrentTime(),"开始页码",start_page
print self.getCurrentDate(),"开始爬取"
self.total_num = self.getTotalPageNum()
print self.getCurrentTime(),"获取到目录页面个数",self.total_num,"个"
if not start_page:
start_page = self.total_num
for x in range(1,10):
print self.getCurrentTime(),"正在抓取第",start_page-x+1,"个页面"
try:
self.getQuestions(start_page-x+1)
except urllib2.URLError, e:
if hasattr(e, "reason"):
print self.getCurrentTime(),"某总页面内抓取或提取失败,错误原因", e.reason
except Exception,e:
print self.getCurrentTime(),"某总页面内抓取或提取失败,错误原因:",e
def main(self):
f_handler = open('out.log', 'w')
sys.stdout = f_handler
page = open('page.txt', 'r')
content = page.readline()
start_page = int(content.strip()) - 1
page.close()
print self.getCurrentTime(), "Starting page", start_page
print self.getCurrentTime(), "Web crawler is starting, crawles Aiwen"
self.total_num = self.getTotalPageNum()
print self.getCurrentTime(), "Get the number of pages: ", self.total_num
if not start_page:
start_page = int(self.total_num)
for x in range(1, start_page):
print self.getCurrentTime(), "Now crawling the ", start_page-x+1, "page"
try:
self.getQuestions(start_page-x+1)
except urllib2.URLError, e:
if hasattr(e, "reason"):
print self.getCurrentTime(), "Extract info failed, reason: ", e.reason
except Exception, e:
print self.getCurrentTime(), "Extract info failed, reason: ", e
def main(self):
f_handler = open('out.log', 'w')
sys.stdout = f_handler
page = open('page.txt', 'r')
content = page.readline()
start_page = int(content.strip()) - 1
page.close()
print self.getCurrentTime(), "开始页码", start_page
print self.getCurrentTime(), "爬虫正在启动,开始爬取爱问知识人问题"
self.total_num = 100 # 新版的页面总的页数为100
print self.getCurrentTime(), "获取到目录页面个数", self.total_num, "个"
if not start_page:
start_page = self.total_num
for x in range(1, start_page):
print self.getCurrentTime(), "正在抓取第", start_page - x + 1, "个页面"
try: # 这里页面的页码的格式不是按照正常的1 2 3 4，而是用了其他的算法产生页码
self.getQuestions(start_page - x + 1)
except urllib2.URLError, e:
if hasattr(e, "reason"):
print self.getCurrentTime(), "某总页面内抓取或提取失败,错误原因", e.reason
except Exception, e:
print self.getCurrentTime(), "某总页面内抓取或提取失败,错误原因:", e
def main(self):
f_handler = open('out.log', 'w')
sys.stdout = f_handler
page = open('page.txt', 'r')
content = page.readline()
start_page = int(content.strip()) - 1
page.close()
print self.getCurrentTime(),"start page is ", start_page
print self.getCurrentTime(),"spider running"
self.total_num = self.getTotalPageNum()
print self.getCurrentTime(), "get total index page num", self.total_num
if not start_page:
start_page = self.total_num
for x in range(1, start_page):
print self.getCurrentTime(), "parsing No.", start_page - x + 1, "'s page"
try:
self.getQuestions(start_page - x + 1)
except urllib2.URLError, e:
if hasattr(e, "reason"):
print self.getCurrentTime(),"parse this page failed, reason:", e.reason
except Exception,e:
print self.getCurrentTime,"parse this page failed, reason:", e
