Stories from the Web Crawling trenches in Requests library

Working with Query Parameters in Python Requests

Author: Mohan Ganesan

Date: Oct 22, 2023

Query parameters are essential for making API calls and web scraping in Python. Learn how to pass and access query parameters using the Requests library.

Uploading Images with Python Requests

Author: Mohan Ganesan

Date: Feb 3, 2024

Sending images over HTTP requests is a common task in many Python applications. The Requests library provides a simple API for attaching images and other files to POST requests.

Speed Up Slow requests.get() Calls in Python

Author: Mohan Ganesan

Date: Feb 3, 2024

If you're using Python's requests library, check for network issues, increase timeout value, use asynchronous requests, and optimize slow APIs for better performance.

Making Asynchronous HTTP Requests in Python without Waiting for a Response

Author: Mohan Ganesan

Date: Feb 3, 2024

Make asynchronous HTTP requests in Python without blocking using the requests library, asyncio module, or threads/processes.

Handling HTTP Status Codes with Python Requests

Author: Mohan Ganesan

Date: Feb 3, 2024

When making HTTP requests in Python, it's important to check the status code of the response. The requests library makes this easy, allowing you to handle success and error codes correctly.

Getting Started with HTTPX in Python: Practical Examples and Usage Tips

Author: Mohan Ganesan

Date: Feb 5, 2024

HTTPX is a powerful Python HTTP client that makes API calls, handles authentication, timeouts, and more. Easily make GET and POST requests, handle JSON, forms, files, and headers. Supports async requests and session reuse for optimal performance.

Sending Multipart Form Data with Python Requests

Author: Mohan Ganesan

Date: Feb 3, 2024

When building web applications in Python, you may need to send multipart form data in an HTTP request. Here are some troubleshooting tips for sending multipart form data with Requests.

Making HTTP Requests in Python Without SSL Verification

Author: Mohan Ganesan

Date: Feb 3, 2024

Disable SSL verification for Python requests to improve flexibility and control, but be cautious as it reduces security.

Mastering Sessions Cookies with Python Requests

Author: Mohan Ganesan

Date: Oct 22, 2023

Cookies and sessions are essential for effective web scraping. Python's Requests library makes it easy to leverage sessions and cookies for robust scraping. Learn how to create a session, persist cookies, set custom cookies, and more. By mastering session techniques, you can scrape complex sites requiring authentication and state management.

Uploading Files in Python Requests: A Guide

Author: Mohan Ganesan

Date: Feb 3, 2024

Sending file uploads via HTTP requests is a common task in many Python applications. This guide covers how to upload files using the requests library and multipart/form-data.

Python Requests: Retry Failed Requests in 2023

Author: Mohan Ganesan

Date: Oct 22, 2023

Handling failed requests is critical in Python. Learn how to retry failed requests using the Requests library for improved reliability.

Making Async HTTP Requests in Python

Author: Mohan Ganesan

Date: Feb 3, 2024

Python's requests library makes it easy to make synchronous HTTP requests in your code. But in async environments, like asyncio, you'll want to use an async HTTP client instead.

Accessing OAuth2 APIs with Python Requests

Author: Mohan Ganesan

Date: Feb 3, 2024

Python's Requests library provides an easy way to handle OAuth2 authentication and access protected resources from an API. It covers obtaining and refreshing access tokens programmatically.

Fixing Memory Leaks in Python requests

Author: Mohan Ganesan

Date: Feb 3, 2024

Python's requests library makes sending HTTP requests simple and convenient, but developers often face memory leaks. Closing connections and following best practices can prevent this issue.

Sending GET Requests with Python Requests using Postman

Author: Mohan Ganesan

Date: Feb 3, 2024

Postman is a popular API testing tool that allows you to easily make HTTP requests. This article explains how to make a simple GET request using Python's requests library and Postman, and how to process the JSON response.

Making HTTP Requests in Python Without Caching

Author: Mohan Ganesan

Date: Feb 3, 2024

Python requests caching can be disabled by controlling headers, using sessions, or cache busting - useful for testing APIs or development.

Sending String Data in Request Body with Python Requests

Author: Mohan Ganesan

Date: Feb 3, 2024

Learn how to send string data in the request body with Python requests library for making HTTP requests.

Logging and Debugging with Requests

Author: Mohan Ganesan

Date: Oct 22, 2023

Guide to enable detailed logging and debugging with Requests library in Python for HTTP requests using urllib3 and http.client.

Handling User Input in Python Requests

Author: Mohan Ganesan

Date: Feb 3, 2024

Handle user input in Python applications with the requests library. Get textual and numeric input, upload files, and handle sensitive inputs like passwords. Validate dangerous inputs to avoid security issues.

Fetching Data from APIs with Python Requests

Author: Mohan Ganesan

Date: Feb 3, 2024

Accessing data from web APIs using Python's Requests library. Learn how to make GET requests, process responses, and handle errors.

Getting HTTP Requests Working in AWS Lambda with the Requests Library

Author: Mohan Ganesan

Date: Feb 3, 2024

When building AWS Lambda functions in Python, developers often run into issues with the Requests library. This guide covers common problems and solutions for using Requests in Lambda.

Making Python Requests Without Timeout

Author: Mohan Ganesan

Date: Feb 3, 2024

When making HTTP requests in Python using the requests library, timeouts are set by default. However, sometimes you may want to remove the timeout to let long requests run to completion.

Troubleshooting "python requests not recognized by pylance"

Author: Mohan Ganesan

Date: Feb 3, 2024

Resolve 'requests is not accessed' error in Visual Studio Code when working with Python by checking Pylance installation, Python interpreter, and remote stub downloads.

Making HTTP PUT Requests in Python

Author: Mohan Ganesan

Date: Feb 3, 2024

HTTP PUT method is used to update resources on a server. Python and requests library make it easy to make PUT requests and upload data.

Making Secure HTTP Requests in Python

Author: Mohan Ganesan

Date: Feb 3, 2024

Python requests library makes HTTPS requests simple and secure, providing easy syntax, encryption, validation, and access to response data.

Smarter Retries with Python Requests

Author: Mohan Ganesan

Date: Feb 3, 2024

Adding smart retries to Python requests improves reliability by using exponential backoff and handling exceptions separately.

Accessing Specific Paths with the Python Requests Library

Author: Mohan Ganesan

Date: Feb 3, 2024

Making HTTP requests in Python and accessing specific paths on a server using the Requests library and URL encoding.

Troubleshooting Python Requests Get When Webpage Isn't Loading

Author: Mohan Ganesan

Date: Feb 3, 2024

When using Python's Requests library to load a webpage, troubleshoot by checking the URL, status code, response headers.

Troubleshooting Slow and Failing Requests in Python

Author: Mohan Ganesan

Date: Feb 3, 2024

Making HTTP requests in Python applications can sometimes be problematic. This article provides tips for troubleshooting slow or failing requests, including checking for network/server issues, setting sensible timeouts, inspecting the request object, and profiling long requests.

Troubleshooting Python Requests Returning HTML Instead of JSON

Author: Mohan Ganesan

Date: Feb 3, 2024

When working with APIs in Python, it is important to handle authentication, set the Accept header, and monitor for HTML responses to ensure JSON data is returned.

Debugging Empty Responses from HTTP Requests in Python

Author: Mohan Ganesan

Date: Feb 3, 2024

Frustrated with empty response bodies in Python HTTP requests? Check response body format, content encoding, decode response bytes, log full response details, test in Postman.

Why Your Python Requests Timeout May Not Be Timing Out As Expected

Author: Mohan Ganesan

Date: Feb 3, 2024

When using the requests library in Python, you can specify a timeout value to prevent your code from hanging indefinitely if a request gets stuck.

Making HTTP Requests in Python: requests vs. pycurl

Author: Mohan Ganesan

Date: Feb 3, 2024

Python provides options for making HTTP requests. Use requests library for basic needs and pycurl for more control.

Is Requests a Built-In Python Library?

Author: Mohan Ganesan

Date: Oct 22, 2023

Requests is a popular Python library for making HTTP requests, providing an elegant API and handling details like encoding parameters, cookies, and authentication. It simplifies HTTP calls compared to the built-in urllib module, but needs to be installed separately.

Making HTTPS Requests in Python with Requests and Certifi

Author: Mohan Ganesan

Date: Feb 3, 2024

When making HTTPS requests in Python, it's important to have SSL/TLS certificate verification enabled to ensure secure connections.

Making HTTP Requests in Python: Requests and urllib3 Explained

Author: Mohan Ganesan

Date: Feb 3, 2024

Python code interacts with web APIs or crawls websites using HTTP requests. requests and urllib3 are popular libraries for this.

Converting Python Requests to Go net/http for Easier HTTP Clients

Author: Mohan Ganesan

Date: Feb 3, 2024

Learn the key differences between making HTTP requests in Python using Requests library and in Go using net/http package. Convert Python Requests code to Go net/http more easily.

Sending POST Requests in Python: request() vs post()

Author: Mohan Ganesan

Date: Feb 3, 2024

When sending POST requests in Python, you'll commonly use the requests library. The post() method is a convenience method in requests specifically for sending POST requests. Using the right method for the job leads to simpler and easy to maintain code.

Making HTTP Requests in Python Without a Proxy

Author: Mohan Ganesan

Date: Feb 3, 2024

Make HTTP requests in Python without a proxy using the requests library. Customize requests with headers, parameters, and handle timeouts.

Sending Numerical Data in a Python Requests POST

Author: Mohan Ganesan

Date: Feb 3, 2024

Requests library in Python handles POST requests seamlessly, allowing you to send numerical data like integers and floats as JSON without any special handling or conversions.

Geolocate IP Addresses with Python and IPinfo

Author: Mohan Ganesan

Date: Feb 3, 2024

Build location-aware Python applications by mapping IP addresses to countries using the IPinfo API and the requests library.

Sending HTTP POST Requests in Python

Author: Mohan Ganesan

Date: Feb 3, 2024

Python provides simple methods to simulate HTTP POST requests for testing APIs or web applications. The main tool for sending HTTP requests in Python is the requests library.

Streaming Downloads with Python Requests

Author: Mohan Ganesan

Date: Feb 3, 2024

Stream large downloads in Python using requests library to avoid memory issues and start processing data sooner.

Why Large Requests Can Fail in Python

Author: Mohan Ganesan

Date: Feb 3, 2024

Requests library in Python can encounter errors with large requests due to TCP packet size. Solutions include chunking the request body, lowering stream threshold, compressing data, or switching protocols.

Accessing Websites in Python with urllib.urlopen()

Author: Mohan Ganesan

Date: Feb 6, 2024

The urllib.urlopen() function in Python provides a simple way to access and retrieve data from websites. It is useful for fetching data from web APIs, scraping data from HTML web pages, testing connectivity, and downloading files. It handles most of the network request work automatically.

Why My Python requests.post() is Sending a GET Instead of POST

Author: Mohan Ganesan

Date: Feb 3, 2024

When working with Python's popular requests library, calling requests.post() may send a GET request instead of POST due to forgetting to pass data/json or server redirection.

Making Scheme-Agnostic HTTP Requests in Python

Author: Mohan Ganesan

Date: Feb 3, 2024

Making HTTP requests in Python using requests library without hardcoding http or https. Simplifies code and enables flexibility.

Speed Up Python Requests with Caching

Author: Mohan Ganesan

Date: Feb 3, 2024

HTTP requests in Python using requests library can be faster due to caching. Caching avoids unnecessary work and streamlines data retrieval workflows.

Does Python requests use urllib3?

Author: Mohan Ganesan

Date: Feb 20, 2024

Python requests library provides a high-level interface for making HTTP requests, while urllib3 handles the low-level details.

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