{"library":"secure","title":"Secure Headers for Python Web Frameworks","description":"Secure is a lightweight Python library designed to effortlessly add essential HTTP security headers to web applications. It supports multiple frameworks like Flask, FastAPI, and Django with a unified, modern API. The library is actively maintained, with the current stable version being 1.0.1, and a 2.0.0 release candidate introducing significant enhancements and API changes.","language":"python","status":"active","last_verified":"Fri May 15","install":{"commands":["pip install secure"],"cli":null},"imports":["from secure import Secure","from secure import ContentSecurityPolicy","from secure import PermissionsPolicy","from secure.middleware import SecureWSGIMiddleware","from secure.middleware import SecureASGIMiddleware","from secure import Secure","N/A (Functionality removed)"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"import os\nfrom flask import Flask, Response\nfrom secure import Secure\n\napp = Flask(__name__)\n\n# Instantiate Secure with default headers (or customize)\n# For v2.0.0rc1 and later, consider `Secure.with_preset(Preset.BALANCED)` or middleware.\nsecure_headers = Secure.with_default_headers()\n\n@app.after_request\ndef add_security_headers(response: Response):\n    secure_headers.set_headers(response)\n    return response\n\n@app.route(\"/\")\ndef home():\n    return \"Hello, secure world!\"\n\nif __name__ == \"__main__\":\n    # In a real application, use a production-ready WSGI server like Gunicorn\n    app.run(debug=True)","lang":"python","description":"This Flask example demonstrates how to integrate `secure.py` by applying default security headers to every response using an `after_request` hook. The `Secure.with_default_headers()` method provides a baseline set of recommended headers.","tag":null,"tag_description":null,"last_tested":null,"results":[]},"compatibility":{"tag":null,"tag_description":null,"last_tested":"2026-05-15","installed_version":"0.3.0","pypi_latest":"2.0.1","is_stale":true,"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":1.5,"avg_import_s":0.08,"wheel_type":"wheel"},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.06,"mem_mb":2.5,"disk_size":"18.3M"},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.4,"import_time_s":0.04,"mem_mb":2.5,"disk_size":"19M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.12,"mem_mb":2.9,"disk_size":"20.1M"},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.6,"import_time_s":0.11,"mem_mb":2.9,"disk_size":"21M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.12,"mem_mb":2.9,"disk_size":"12.0M"},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.4,"import_time_s":0.11,"mem_mb":2.9,"disk_size":"12M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.1,"mem_mb":3.2,"disk_size":"11.7M"},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.4,"import_time_s":0.1,"mem_mb":3,"disk_size":"12M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":null,"import_time_s":0.01,"mem_mb":0.7,"disk_size":"17.4M"},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"secure","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":1.7,"import_time_s":0.01,"mem_mb":0.7,"disk_size":"18M"}]}}