The requests library is one of the important aspects of Python for making HTTP requests to a specified URL. The post() method is used when we want to send some data to the server. Then the data is stored in the Database.
POST Http Method
POST is a request method supported by HTTP used by the World Wide Web. By design, the POST request method requests that a web server accepts the data enclosed in the body of the request message, most likely for storing it. It is often used when uploading a file or when submitting a completed web form.
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Python Requests Post
To create a POST request in Python, use the requests.post() method. The requests post() method accepts URLs. data, json, and args as arguments and sends a POST request to a specified URL.
Syntax
The syntax of requests post() example is the following.
requests.post(url, data={key: value}, json={key: value}, args)
Example –
import requests
# Making a POST request
r = requests.post(‘https://httpbin.org / post’, data ={‘key’:’value’})
# check status code for the response received
# success code – 200
print(r)
# print content of request
print(r.json())
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Parameters for Python Post Request
| Parameter |
Description
|
| URL |
It is required. The URL of the request.
|
| data |
It is optional. It can be a dictionary, a list of tuples, bytes or a file object to send to the specified URL.
|
| JSON |
It is optional. It is a JSON object to submit to the specified URL.
|
| files |
It is optional. It is a dictionary of files to send to the specified URL.
|
| allow_redirects |
It is optional. It is a Boolean to enable/disable redirection.
Default True (allowing redirects) |
| auth |
It is optional. It is a tuple to enable secure HTTP authentication.
Default None |
| cert |
It is optional. It is a String or Tuple specifying a cert file or key.
Default None |
| cookies |
It is optional. It is a dictionary of cookies to send to the specified URL.
Default None |
| headers |
It is optional. It is the dictionary of HTTP headers to send to the specified URL.
Default None |
| proxies |
It is optional. It is a dictionary of the protocol to the proxy URL.
Default None |
| stream |
It is optional. A Boolean value illustrates if the response should be immediately downloaded (False) or streamed (True).
Default False |
| timeout |
It is optional. It is a tuple, or number, indicating how many seconds to wait for a client to make the connection and send a response. The default argument is None which means the request will continue until the connection is closed or lost.
|
| verify |
It is optional. It is a Boolean or a String indication to check the server’s TLS certificate or not.
Default True |
Key points about Post request
- POST requests have no restraints on data length. It can be whatever you want.
- POST requests do not live in the browser history.
- POST requests are never cached.
- POST requests cannot be bookmarked.
Advantages of using the POST Method
- It is more secure than GET because user-entered information is never visible in the URL query string or in the server logs.
- There is a much larger limit on the amount of data that can be passed and one can send text data as well as binary data (uploading a file) using POST.
Disadvantages of using the POST Method
- Since the data sent by the POST method is not visible in the URL, so it is not possible to bookmark the page with a specific query.
- POST requests are never cached
- POST requests do not remain in the browser history.
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