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curl_to_requests python examples

Narkw Brahma

Narkw Brahma

• 2 min read

How to Use Curl to Requests Python Examples

If you are working with APIs in Python, you may come across situations where the API requires a cURL command to be executed. While cURL is a powerful tool, it can be difficult to use, especially if you are new to it. In this article, we will look at how to convert a cURL command to a Python Requests code snippet.

Using the Curlify Library

The easiest way to convert a cURL command to Python Requests code is by using the curlify library. This library allows you to input a cURL command and get back the equivalent Python Requests code. Here is an example:


  import curlify
  import requests
  
  curl_command = "curl -X GET https://example.com/api/data -H 'Authorization: Bearer token'"
  requests_code = curlify.to_python(curl_command)
  
  response = requests.get(requests_code['url'], headers=requests_code['headers'])

In this example, we first import the curlify library and the requests library. We then define the cURL command as a string and pass it to the curlify.to_python() function. This function returns a dictionary that contains the URL and headers that should be used in the Python Requests code.

We then use the requests.get() function to make the API call using the URL and headers returned by the curlify library.

Using the PycURL Library

If you prefer to use a more low-level approach, you can use the PycURL library to make the API call directly from the cURL command. Here is an example:


  import pycurl
  from io import BytesIO
  
  buffer = BytesIO()
  c = pycurl.Curl()
  c.setopt(c.URL, 'https://example.com/api/data')
  c.setopt(c.HTTPHEADER, ['Authorization: Bearer token'])
  c.setopt(c.WRITEDATA, buffer)
  c.perform()
  c.close()
  
  body = buffer.getvalue()

In this example, we first import the PycURL library and the BytesIO class. We then create a BytesIO object to store the response from the API call.

We create a new PycURL object and set the URL and headers using the setopt() method. We also set the WRITEDATA option to tell PycURL to write the response to our buffer rather than printing it to the console.

We then call the perform() method on our PycURL object to make the API call. Finally, we close the PycURL object and get the response body from our buffer using the getvalue() method.

Conclusion

Converting a cURL command to Python Requests code is a useful skill to have when working with APIs in Python. In this article, we looked at two ways to do this: using the curlify library and using the PycURL library. Try both approaches and see which one you prefer!

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