start with the skeleton

Author: leeqvip

.coveragerc

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+[run]
+include = casbin_pymongo_adapter/*

.gitignore

@@ -127,3 +127,7 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+# my
+.idea
+.vscode

.travis.yml

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+language: python
+python:
+- '3.4'
+- '3.5'
+- '3.6'
+- '3.7'
+install:
+- pip install -r requirements.txt
+- pip install coveralls
+script:
+- coverage run -m unittest discover -s tests -t tests
+after_success:
+- coveralls
+deploy:
+  provider: pypi
+  user: techlee
+  password:
+    secure: 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
+  distributions: sdist bdist_wheel
+  skip_existing: true
+  on:
+    tags: true
+    python: '3.6'

README.md

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+PyMongo Adapter for PyCasbin
+====
+
+[![Build Status](https://www.travis-ci.org/pycasbin/pymongo-adapter.svg?branch=master)](https://www.travis-ci.org/pycasbin/pymongo-adapter)
+[![Coverage Status](https://coveralls.io/repos/github/pycasbin/pymongo-adapter/badge.svg)](https://coveralls.io/github/pycasbin/pymongo-adapter)
+[![Version](https://img.shields.io/pypi/v/casbin_pymongo_adapter.svg)](https://pypi.org/project/casbin_pymongo_adapter/)
+[![PyPI - Wheel](https://img.shields.io/pypi/wheel/casbin_pymongo_adapter.svg)](https://pypi.org/project/casbin_pymongo_adapter/)
+[![Pyversions](https://img.shields.io/pypi/pyversions/casbin_pymongo_adapter.svg)](https://pypi.org/project/casbin_pymongo_adapter/)
+[![Download](https://img.shields.io/pypi/dm/casbin_pymongo_adapter.svg)](https://pypi.org/project/casbin_pymongo_adapter/)
+[![License](https://img.shields.io/pypi/l/casbin_pymongo_adapter.svg)](https://pypi.org/project/casbin_pymongo_adapter/)
+
+PyMongo Adapter is the [PyMongo](https://pypi.org/project/pymongo/) adapter for [PyCasbin](https://github.com/casbin/pycasbin). With this library, Casbin can load policy from MongoDB or save policy to it.
+
+## Installation
+
+```
+pip install casbin_pymongo_adapter
+```
+
+## Simple Example
+
+```python
+import casbin_pymongo_adapter
+import casbin
+
+adapter = casbin_pymongo_adapter.Adapter('mongodb://localhost:27017/', "dbname")
+
+e = casbin.Enforcer('path/to/model.conf', adapter, True)
+
+sub = "alice"  # the user that wants to access a resource.
+obj = "data1"  # the resource that is going to be accessed.
+act = "read"  # the operation that the user performs on the resource.
+
+if e.enforce(sub, obj, act):
+    # permit alice to read data1casbin_sqlalchemy_adapter
+    pass
+else:
+    # deny the request, show an error
+    pass
+```
+
+
+### Getting Help
+
+- [PyCasbin](https://github.com/casbin/pycasbin)
+
+### License
+
+This project is licensed under the [Apache 2.0 license](LICENSE).

casbin_pymongo_adapter/__init__.py

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+from .adapter import Adapter

casbin_pymongo_adapter/adapter.py

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+from casbin import persist
+from pymongo import MongoClient
+
+
+class Adapter(persist.Adapter):
+    """the pymongo adapter for Casbin."""
+
+    def __init__(self, uri, dbname, collection="casbin_rule"):
+        client = MongoClient(uri)
+        db = client[dbname]
+        self._collection = db[collection]
+        pass
+
+    def load_policy(self, model):
+        """loads all policy rules from the storage."""
+        for lines in self._collection.find():
+            pass
+
+    def save_policy(self, model):
+        """saves all policy rules to the storage."""
+        pass
+
+    def add_policy(self, sec, ptype, rule):
+        """adds a policy rule to the storage."""
+        pass
+
+    def remove_policy(self, sec, ptype, rule):
+        """removes a policy rule from the storage."""
+        pass
+
+    def remove_filtered_policy(self, sec, ptype, field_index, *field_values):
+        """removes policy rules that match the filter from the storage.
+        This is part of the Auto-Save feature.
+        """
+        pass

requirements.txt

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+casbin>=0.8.4
+pymongo>=3.10.1

setup.py

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+import setuptools
+
+desc_file = "README.md"
+
+with open(desc_file, "r") as fh:
+    long_description = fh.read()
+
+setuptools.setup(
+    name="casbin_pymongo_adapter",
+    version="0.1.0",
+    author="TechLee",
+    author_email="techlee@qq.com",
+    description="PyMongo Adapter for PyCasbin",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+    url="https://github.com/pycasbin/pymongo-adapter",
+    keywords=["casbin", "pymongo", "casbin-adapter", "rbac", "access control", "abac", "acl", "permission"],
+    packages=setuptools.find_packages(),
+    install_requires=['casbin>=0.8.4', 'pymongo>=3.10.1'],
+    python_requires=">=3.3",
+    license="Apache 2.0",
+    classifiers=[
+        "Programming Language :: Python :: 3.3",
+        "Programming Language :: Python :: 3.4",
+        "Programming Language :: Python :: 3.5",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "License :: OSI Approved :: Apache Software License",
+        "Operating System :: OS Independent",
+    ],
+    data_files=[desc_file],
+)