https://github.com/officialpycasbin/async-postgres-watcher

Async PostgreSQL adapter for PyCasbin
https://github.com/officialpycasbin/async-postgres-watcher

abac acl adapter async auth authz casbin database db postgres postgresql py pycasbin python rbac

Last synced: 5 months ago
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Async PostgreSQL adapter for PyCasbin

• Host: GitHub
• URL: https://github.com/officialpycasbin/async-postgres-watcher
• Owner: officialpycasbin
• License: apache-2.0
• Created: 2024-11-12T02:51:54.000Z (over 1 year ago)
• Default Branch: master
• Last Pushed: 2025-08-20T05:19:34.000Z (11 months ago)
• Last Synced: 2026-01-04T15:11:46.477Z (6 months ago)
• Topics: abac, acl, adapter, async, auth, authz, casbin, database, db, postgres, postgresql, py, pycasbin, python, rbac
• Language: Python
• Homepage: https://github.com/casbin/pycasbin
• Size: 25.4 KB
• Stars: 0
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

          
# async-postgres-watcher

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Async Casbin PostgreSQL watcher to be used for monitoring updates to Casbin policies.

## Installation

```bash

pip install casbin-async-postgres-watcher

```

## Basic Usage Example

### With Flask-authz

```python

from flask_authz import CasbinEnforcer

from async_postgres_watcher import AsyncPostgresWatcher

from flask import Flask

from casbin.persist.adapters import FileAdapter

casbin_enforcer = CasbinEnforcer(app, adapter)

watcher = AsyncPostgresWatcher(host=HOST, port=PORT, user=USER, password=PASSWORD, dbname=DBNAME)

watcher.set_update_callback(casbin_enforcer.e.load_policy)

casbin_enforcer.set_watcher(watcher)

```

## Basic Usage Example With SSL Enabled

See [asyncpg documentation](https://magicstack.github.io/asyncpg/current/api/index.html#connection) for full details of SSL parameters.

### With Flask-authz

```python

from flask_authz import CasbinEnforcer

from async_postgres_watcher import AsyncPostgresWatcher

from flask import Flask

from casbin.persist.adapters import FileAdapter

casbin_enforcer = CasbinEnforcer(app, adapter)

# If check_hostname is True, the SSL context is created with sslmode=verify-full.

# If check_hostname is False, the SSL context is created with sslmode=verify-ca.

watcher = AsyncPostgresWatcher(host=HOST, port=PORT, user=USER, password=PASSWORD, dbname=DBNAME, sslrootcert=SSLROOTCERT, check_hostname = True, sslcert=SSLCERT, sslkey=SSLKEY)

watcher.set_update_callback(casbin_enforcer.e.load_policy)

casbin_enforcer.set_watcher(watcher)

```

## Getting Help

- [PyCasbin](https://github.com/casbin/pycasbin)

## License

This project is under Apache 2.0 License. See the [LICENSE](LICENSE) file for the full license text.