Input Sanitization & Security Packages
Input sanitization, XSS prevention, and application-security utilities that clean untrusted input before it reaches your rendering or storage layer (DOMPurify).
Packages in Input Sanitization & Security
Kind
Sort:Used by Most Apps
markupsafe
Escapes untrusted strings for safe use in HTML and XML markup, preventing injection attacks in templated output.
slowapi
Rate limiting for Starlette and FastAPI endpoints, adapted from Flask-Limiter.
Flask-Limiter
Rate limiting for Flask applications with pluggable storage backends and per-route limits
django-csp
Content-Security-Policy header management for Django, with per-view overrides and nonce support.
Bandit
A static analysis tool that scans Python code for common security issues.
python-ipware
Retrieve a client's real IP address from HTTP request headers, with proxy handling.
Presidio Analyzer
The PII detection engine behind Presidio, combining NER, regex, and checksum recognizers
RestrictedPython
Compiles a restricted subset of Python so you can define a trusted boundary for running untrusted code.
simpleeval
A single-file Python library for safely evaluating user-supplied expressions without exposing full eval() access.
confusable_homoglyphs
Detect dangerous Unicode homoglyphs and mixed-script strings to stop impersonation attacks
altcha
Create and verify ALTCHA proof-of-work CAPTCHA challenges in Python with a zero-dependency, fully typed library.