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A rule engine written in python.

rule 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# Rule

A rule engine written in python.

The rule is a json/yaml string or python object of a list expression.
The expression is like `[op, arg0, arg1, ..., argn]`, the `op` is the operator,
and `arg0..n` is the arguments for the operator. Any argument can be another expression.

For writing convenience, the first argument will be tried to resolve as the context parameter.
Or, you can just use the special `var` operator to indicate the context parameter.

## Installing

```bash
pip install rule
```

## Usage

```python
>>> from rule import Rule
>>>
>>> context = dict(a=1, world='hello')
>>> Rule(['=', ['var', 'a'], 1]).match(context)
True
>>> Rule("['=', ['var', 'a'], 1]").match(context)
True
>>> Rule(['=', 'a', 1]).match(context)
True
>>> Rule(['=', 'hello', 'hello']).match(context)
True
>>> Rule(['=', 'world', 'hello']).match(context)
True
>>> Rule(['<', 'a', 10]).match(context)
True
>>> Rule(['=', ['>', 'a', 10], False]).match(context)
True
>>>
>>> context = dict(ldap_id='Harry', hosts='sa,sb,sc', reason='hehe', nologin=False,
...                group='wheel,sysadmin,platform', package='dev-python/sa-tools',
...                branch='release', cc='Tony,Mike',)
>>> Rule(['contains', 'hosts', 'sa,']).match(context)
True
>>> Rule(['contains', ['split', 'hosts', ','], 'sa']).match(context)
True
>>> Rule(['in', 'branch', 'master', 'release']).match(context)
True
>>> Rule(['=', 'ldap_id', 'Harry']).match(context)
True
>>> Rule(['match', 'package', 'dev-python/*']).match(context)
True
>>> Rule(['regex', 'package', 'dev-python/.*']).match(context)
True
>>> Rule(['is', 'nologin', False]).match(context)
True
```

See [rule/op.py](rule/op.py) for more supported operators.

## Development

```
make init
# make install
make test
```

## License

http://tclh123.mit-license.org/

rule

rule 최신버젼 다운로드

오늘의 추천 프로젝트

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rule

rule 최신버젼 다운로드

오늘의 추천 프로젝트

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