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Python - Request Status Codes
Neha Kumawat
a year ago
Table of Contents
- Introduction
- Status Codes
- Successful Response
- Unsuccessful Response
Introduction
After receiving and interpreting a request message, a server responds with an HTTP response message. The response message has a Status-Code. It is
a 3-digit integer where first digit of the Status-Code defines the class of response and the last two digits do not have any categorization role.
There are 5 values for the first digit:
Status Codes
- It means the request was received and the process is continuing.
- It means the action was successfully received, understood, and accepted.
- It means further action must be taken in order to complete the request.
- It means the request contains incorrect syntax or cannot be fulfilled.
- It means the server failed to fulfill an apparently valid request.
Successful Response
In the below example we access a file from a url and the response is successful. So the status code returned is 200.
import urllib3
http = urllib3.PoolManager()
resp = http.request('GET', 'http://tutorialspoint.com/robots.txt')
print resp.data
# get the status of the response
print resp.status
When we run the above program, we get the following output −
User-agent: *
Disallow: /tmp
Disallow: /logs
Disallow: /rate/*
Disallow: /cgi-bin/*
Disallow: /videotutorials/video_course_view.php?*
Disallow: /videotutorials/course_view.php?*
Disallow: /videos/*
Disallow: /*/*_question_bank/*
Disallow: //*/*/*/*/src/*
200
Unsuccessful Response
In the below example we access a file from a url which does not exist. The response is unsuccessful. So the status code returned is 403.
import urllib3
http = urllib3.PoolManager()
resp = http.request('GET', 'http://tutorialspoint.com/robot.txt')
print resp.data
# get the status of the response
print resp.status
When we run the above program, we get the following output −
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>403 Forbidden</title>
</head><body>
<h1>Forbidden</h1>
<p>You don't have permission to access /robot.txt
on this server.</p>
</body></html>
403
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