http Archives | Python FAQ

How to handle cookies in Python using http.cookies.SimpleCookie

httpManage client-side cookies with SimpleCookie in Python.

Handling cookies in Python requires a focus on security practices to protect user data. Implementing the `SameSite` attribute helps prevent CSRF attacks. Regular auditing of cookie data, setting expiration policies, and using encryption for sensitive information are essential. Adhering to cookie policies and obtaining user consent ensures compliance with privacy regulations.

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How to create a CGI-enabled HTTP server using CGIHTTPRequestHandler

httpEnable CGI script execution in Python’s HTTP server.

CGI script handling involves reading POST data via CONTENT_LENGTH, parsing URL-encoded input, and responding with correct HTTP headers. Proper validation, method checking, error handling, and debugging with cgitb ensure secure, reliable CGI script execution and dynamic request processing in Python.

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How to serve static content with SimpleHTTPRequestHandler

httpEasily serve files over HTTP using Python’s built-in SimpleHTTPRequestHandler.

Implementing SimpleHTTPRequestHandler securely involves addressing path traversal vulnerabilities, managing file memory usage, handling client disconnects, and customizing error responses. Key strategies include defining a base directory for serving files, streaming data in chunks, and gracefully managing exceptions. These practices enhance security and reliability in static file serving.

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How to handle incoming HTTP requests with BaseHTTPRequestHandler

httpWrite your own HTTP handlers using http.server.BaseHTTPRequestHandler.

BaseHTTPRequestHandler manages HTTP response headers and status codes to signal request status and control client interpretation. Key methods include send_response(code), send_header(key, value), and end_headers(). Proper ordering ensures correct HTTP formatting, supports redirects, error handling, and connection management.

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How to build a simple HTTP server using http.server.HTTPServer

httpCreate custom HTTP servers in Python using http.server.HTTPServer.

HTTP server enhancements include URL routing for handling different paths, serving static files from custom directories, and implementing request logging by overriding log_message. These techniques improve request management, file organization, and monitoring, aligning with practices in modern web frameworks.

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How to work with HTTP status codes using http.client.HTTPStatus

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HTTPStatus from Python’s http module provides an enumeration of standard HTTP status codes and phrases, improving code readability and maintainability. It supports numeric values, descriptive phrases, reverse lookups, and seamless integration with response handling, error management, and conditional flows in HTTP applications.

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How to handle HTTP responses with http.client.HTTPResponse

httpHTTPResponse

For large http.client responses, reading in chunks manages memory. Context managers ensure automatic connection closing and resource cleanup. To get text from the raw bytes returned by response.read(), decode using the charset from the Content-Type header for correct character encoding.

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How to use http.client.HTTPConnection for creating HTTP client connections

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Querying REST APIs using Python's http.client and json module for JSON data handling. Essential techniques include GET and POST requests, setting headers like User-Agent, Content-Type, and Content-Length, and handling redirects manually. Efficiently downloading large files in chunks to manage memory usage. Perfect for robust application development.