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python requests asynchronous post

Narkw Brahma

Narkw Brahma

• 1 min read

Python Requests Asynchronous Post

Python Requests library is a popular Python library to send HTTP requests using Python. It allows you to send HTTP/1.1 requests with python. In this article, we will see how to do an asynchronous post request using Python Requests library.

Asynchronous Post Request

An asynchronous request is a request that does not block the program execution. In simple terms, during an asynchronous request, the program can continue performing other tasks while the request is being processed. This is different from synchronous requests where the program waits for the response before continuing execution.

Using Python Requests for Asynchronous Post Request

We can use the Python Requests library to send asynchronous post requests. We can use the `asyncio` library to execute asynchronous requests. Here is an example of how to do an asynchronous post request using Python Requests library:


      import asyncio
      import requests

      async def fetch(session, url, data):
          async with session.post(url, data=data) as response:
              return await response.content.read()

      async def main():
          async with aiohttp.ClientSession() as session:
              data = {'key': 'value'}
              url = 'https://example.com/post'
              response = await fetch(session, url, data)
              print(response)

      loop = asyncio.get_event_loop()
      loop.run_until_complete(main())

In this example, we define two functions: `fetch` and `main`. `fetch` function sends a post request and returns the response content. `main` function executes `fetch` function asynchronously using `asyncio` library.

Another Way to Do Asynchronous Post Request

Another way to do an asynchronous post request is by using the `aiohttp` library with Python. Here is an example:


      import aiohttp
      import asyncio
      
      async def make_request(url, data):
          headers = {'Content-Type': 'application/json'}
          async with aiohttp.ClientSession(headers=headers) as session:
              async with session.post(url, json=data) as response:
                  content = await response.json()
                  return content
      
      async def main():
          url = 'http://example.com/api'
          data = {'name': 'John Doe', 'age': 25}
          response = await make_request(url, data)
          print(response)
      
      loop = asyncio.get_event_loop()
      loop.run_until_complete(main())

In this example, we define two functions: `make_request` and `main`. `make_request` function sends a post request using the `aiohttp` library and returns the response content. `main` function executes `make_request` function asynchronously using the `asyncio` library.

In conclusion, asynchronous requests are useful when we want to send multiple requests in parallel. Python Requests library provides a simple way to send asynchronous requests using asyncio. Alternatively, we can use the aiohttp library to send asynchronous requests.

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