Python urllib3 Exercises and Solutions for HTTP Requests
Python urllib3 [26 exercises with solution]
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urllib3 is a powerful, user-friendly HTTP client for Python. Much of the Python ecosystem already uses urllib3 and you should too. urllib3 brings many critical features that are missing from the Python standard libraries:
- Thread safety.
- Connection pooling.
- Client-side SSL/TLS verification.
- File uploads with multipart encoding.
- Helpers for retrying requests and dealing with HTTP redirects.
- Support for gzip, deflate, brotli, and zstd encoding.
- Proxy support for HTTP and SOCKS.
- 100% test coverage.
To use urllib3, you need to install it first using a package manager like pip:
$ python -m pip install urllib3
1. Write a Python program that performs a simple HTTP GET request to a public API (e.g., JSONPlaceholder) and prints the response.
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2. Write a Python program that makes a GET request with custom headers, such as User-Agent and Authorization.
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3. Write a Python program that uses query parameters in a GET request to filter or limit the results from an API.
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4. Write a Python program that makes a POST request to a sample API with some data in the request body.
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5. Write a Python program that sets a timeout for a GET request to handle cases where the server takes too long to respond.
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6. Write a Python program that makes multiple requests to the same host and observe the benefits of connection pooling.
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7. Write a Python program to handle redirects and print the final response URL.
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8. Write a Python program that makes an HTTPS request with SSL/TLS verification enabled and then disables it to see the difference.
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9. Write a Python program that implements error handling for network-related exceptions that might occur during a request.
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10. Write a Python program to download a large file using the stream parameter and save it to the local disk.
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11. Write a Python program that constructs a URL with query parameters and ensures that the URL is encoded correctly.
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12. Write a Python program that uses request hooks to log information about each request made with urllib3.
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13. Write a Python program that makes a request to an API that requires Digest Authentication.
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14. Write a Python program that uses the urllib3 PoolManager to create and manage a session for making multiple requests.
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15. Write a Python program that implements a custom SSL context for handling specific SSL configurations.
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16. Write a Python program that sets up a retry mechanism for failed requests with urllib3.Retry class.
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17. Write a Python program that makes a POST request to upload a file to a server using urllib3.
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18. Write a Python program that sends and receives cookies with urllib3, demonstrating cookie persistence..
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19. Write a Python program that makes a POST request with multipart/form-data to simulate file uploads.
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20. Write a Python program that sets the maximum connection pool size and observe how it affects the number of simultaneous connections made. Use urllib3.
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21. Write a Python program that requests a server that supports response compression (gzip or deflate), and observe how urllib3 handles it.
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22. Write a Python program that implements custom logic to handle redirects based on specific conditions during a request.
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23. Write a Python program to set up a retry mechanism with incremental timeouts to handle transient network issues.
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24. Write a Python program that uses event hooks for both requests and responses to customize behavior at various stages of the request/response lifecycle.
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25. Write a Python program that manually parses a URL, modifies its components, and then reconstruct the URL for a request.
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26. Write a Python program that makes a request to a server that sends a compressed response. Manually decompresses the content using the urllib3 function.
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