python requests raise exception if not 200
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Title: Handling HTTP Responses in Python Requests: Raise Exception on Non-200 Status Codes
When working with HTTP requests in Python using the popular requests library, it's crucial to handle responses appropriately. One common practice is to check the HTTP status code to ensure that the request was successful (status code 200). This tutorial will guide you through the process of using Python's requests library to raise an exception when a non-200 status code is encountered.
Before getting started, make sure you have the requests library installed. If you don't have it installed, you can install it using:
Let's consider a simple example where we make a GET request to a hypothetical API endpoint and want to raise an exception if the response status code is not 200.
requests.get(url): Initiates a GET request to the specified URL.
response.raise_for_status(): Raises an HTTPError for bad responses (4xx and 5xx status codes). If the status code is 200, the function proceeds without raising an exception.
except requests.exceptions.HTTPError as errh: Handles HTTP errors by catching the HTTPError exception and printing an error message.
except requests.exceptions.RequestException as err: Catches general request exceptions (including non-HTTP errors) and prints an error message.
Example Usage: Demonstrates how to use the make_request function with a sample URL (https://jsonplaceholder.typicode.com/.... Replace this URL with the one relevant to your application.
By implementing this approach, you can enhance the robustness of your code when dealing with HTTP requests in Python. Always check the response status code and handle potential errors appropriately to ensure a more reliable and error-resistant application.
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