Python provides examples of multiple concurrent Website access functions and python Website Functions

Python provides examples of multiple concurrent Website access functions and python Website Functions

This example describes how to implement the multi-concurrent Website access function in Python. We will share this with you for your reference. The details are as follows:

# Filename: visitweb_threads.py # Description: python visit web, get startTime, endTime, everytimes spentTime, threadingimport urllibimport timeimport datetimeprint 'num web spenttime' def Process (url, n ): minSpan = 0.0 maxSpan = 0.0 sumSpan = 0.0 over1s = 0 file = open('data.txt ', 'A') # save Data for I in range (n): startTime = datetime. datetime. now () try: urlItem = urllib. urlopen (url) htmSource = urlItem. read () urlItem. close () handle T: pass endTime = datetime. datetime. now () span = (endTime-startTime ). total_seconds () sumSpan = sumSpan + span if span <minSpan: minSpan = span if span> maxSpan: maxSpan = span if span> 1: over1s = over1s + 1 print (U' % 4d % s Spent: % 7 s seconds '% (I, url, span) file. write (u '% 4d % s ST: % s ET: % s Spent: % s seconds \ n' % (I, url, startTime, endTime, span) file. write ('\ n') print (U' \ n requested: % s times \ n Total Spent: % s seconds \ n avg: % s seconds \ n max: % s seconds \ n min: % s seconds \ n over 1 secnod: % s times \ n' % (n, sumSpan, sumSpan/n, maxSpan, minSpan, over1s )) file. write (u'requested: % s times \ n Total Spent: % s seconds \ n avg: % s seconds \ n max: % s seconds \ n min: % s seconds \ n over 1 secnod: % s times \ n' % (n, sumSpan, sumSpan/n, maxSpan, minSpan, over1s) file. close () class ThreadClass (threading. thread): def run (self): now = datetime. datetime. now () print "% s says Hello World at time: % s" % (self. getName (), now) file = open('threads_data.txt ', 'A') # save threads_data file. write ("% s says Hello World at time: % s \ n" % (self. getName (), now) Process ('HTTP: // 222.20.6.184/main. aspx ', 10) # visit website Url and the number of visits to each process now = datetime. datetime. now () print "% s says Goodbye at time: % s" % (self. getName (), now) file. write ("% s says Goodbye at time: % s \ n" % (self. getName (), now) file. close () if _ name __= = '_ main _': # file = open('threads_data.txt ', 'w') # file. close () # file = open('data.txt ', 'w') # file. close () for I in range (1000): # How many concurrent accesses t = ThreadClass () t. start ()