{"library":"msal-extensions","title":"Microsoft Authentication Library Extensions","description":"MSAL EX provides a persistence API for saving data on disk, encrypted on Windows, macOS, and Linux, with concurrent data access coordinated by a file lock mechanism. Current version: 1.3.1, released on March 14, 2025. Release cadence: approximately quarterly.","language":"python","status":"active","last_verified":"Tue May 12","install":{"commands":["pip install msal-extensions"],"cli":null},"imports":["from msal_extensions.persistence import FilePersistence"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"import os\nfrom msal import ConfidentialClientApplication\nfrom msal_extensions.persistence import FilePersistence\n\n# Set up the persistence layer\ncache = FilePersistence('my_cache.bin')\n\n# Initialize the MSAL application\napp = ConfidentialClientApplication(\n    client_id=os.environ.get('CLIENT_ID'),\n    client_credential=os.environ.get('CLIENT_SECRET'),\n    authority='https://login.microsoftonline.com/your_tenant_id',\n    token_cache=cache\n)\n\n# Acquire a token\nresult = app.acquire_token_for_client(scopes=['https://graph.microsoft.com/.default'])\n\nif 'access_token' in result:\n    print('Access token acquired successfully.')\nelse:\n    print('Failed to acquire access token.')","lang":"python","description":"This script demonstrates how to set up token cache persistence using FilePersistence from msal-extensions, initialize a ConfidentialClientApplication with MSAL, and acquire an access token for Microsoft Graph API.","tag":"stale","tag_description":"widespread failures or data too old to trust","last_tested":"2026-04-23","results":[{"runtime":"python:3.10-alpine","exit_code":1},{"runtime":"python:3.10-slim","exit_code":1},{"runtime":"python:3.11-alpine","exit_code":1},{"runtime":"python:3.11-slim","exit_code":1},{"runtime":"python:3.12-alpine","exit_code":1},{"runtime":"python:3.12-slim","exit_code":1},{"runtime":"python:3.13-alpine","exit_code":1},{"runtime":"python:3.13-slim","exit_code":1},{"runtime":"python:3.9-alpine","exit_code":1},{"runtime":"python:3.9-slim","exit_code":1}]},"compatibility":{"tag":"verified","tag_description":"installs cleanly on critical runtimes, fast import, recently tested","last_tested":"2026-05-12","installed_version":null,"pypi_latest":null,"is_stale":null,"summary":{"python_range":"3.10–3.9","success_rate":100,"avg_install_s":null,"avg_import_s":0.25,"wheel_type":null},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.26,"mem_mb":9.4,"disk_size":"37.8M"},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.21,"mem_mb":9.4,"disk_size":"38M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.32,"mem_mb":9.8,"disk_size":"40.2M"},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.27,"mem_mb":9.8,"disk_size":"41M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.28,"mem_mb":9.6,"disk_size":"31.9M"},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.27,"mem_mb":9.6,"disk_size":"32M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.26,"mem_mb":9.6,"disk_size":"31.6M"},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.26,"mem_mb":9.6,"disk_size":"32M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.21,"mem_mb":9.2,"disk_size":"37.8M"},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"msal-extensions","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.2,"mem_mb":9.2,"disk_size":"38M"}]}}