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booleano-1.1a2
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مشاهده بیشترتوضیحات
Boolean Expressions Interpreter
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | booleano-1.1a2 |
| نام | booleano |
| نسخه کتابخانه | 1.1a2 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Gustavo Narea |
| ایمیل نویسنده | me@gustavonarea.net |
| آدرس صفحه اصلی | https://github.com/Yupeek/booleano |
| آدرس اینترنتی | https://pypi.org/project/booleano/ |
| مجوز | MIT X License (http://www.opensource.org/licenses/mit-license.php) |
=========================================
Booleano: Boolean Expressions Interpreter
=========================================
**Booleano** is an interpreter of `boolean expressions
<http://en.wikipedia.org/wiki/Boolean_expression>`_, a library to **define
and run filters** available as text (e.g., in a natural language) or in
`Python <http://python.org/>`_ code.
stable branche
.. image:: https://img.shields.io/travis/Yupeek/booleano/master.svg
:target: https://travis-ci.org/Yupeek/booleano
.. image:: https://readthedocs.org/projects/booleano/badge/?version=latest
:target: http://booleano.readthedocs.org/en/latest/
.. image:: https://coveralls.io/repos/github/Yupeek/booleano/badge.svg?branch=master
:target: https://coveralls.io/github/Yupeek/booleano?branch=master
.. image:: https://img.shields.io/pypi/v/booleano.svg
:target: https://pypi.python.org/pypi/booleano
:alt: Latest PyPI version
.. image:: https://img.shields.io/pypi/dm/booleano.svg
:target: https://pypi.python.org/pypi/booleano
:alt: Number of PyPI downloads per month
.. image:: https://codeclimate.com/github/Yupeek/booleano/badges/gpa.svg
:target: https://codeclimate.com/github/Yupeek/booleano
:alt: Code Climate
development status
.. image:: https://img.shields.io/travis/Yupeek/booleano/develop.svg
:target: https://travis-ci.org/Yupeek/booleano
.. image:: https://coveralls.io/repos/github/Yupeek/booleano/badge.svg?branch=develop
:target: https://coveralls.io/github/Yupeek/booleano?branch=develop
In order to handle text-based filters, Booleano ships with a fully-featured
parser whose grammar is `adaptive
<http://en.wikipedia.org/wiki/Adaptive_grammar>`_: Its properties
can be overridden using simple configuration directives.
On the other hand, the library exposes a pythonic API for filters written
in pure Python. These filters are particularly useful to build reusable
conditions from objects provided by a third party library.
TLDR;
-----
a string + some variable = safe boolean evaluation
.. code:: python
# is this character a minor guy with a "0" in his name and born after 1983 ?
eval_boolean(
'age < const:majority & "o" in name & birthdate > "1983-02-02"',
{"name": "sokka", "age": 15, "birthdate": datetime.date(1984, 1, 1)},
{'majority': 18},
grammar_tokens={'belongs_to': 'in'}
) => True
The Fun Use Case
----------------
Booleano allow to safely evaluate an expression into something usable.
- ``user:name is "john" and user:surname in {"doe", "shepard"}``
+``{"user": {"name": "katara"}}`` => False
+``{"user": {"name": "john", "surname": "doe"}}`` => True
with some code, you can provide any type you want, and the expression can still be in text:
+``user:birthdate > "03-07-1987"``
+``duration > 1m30s``
check the sample dirrectory to view more running examples !
Documentation
-------------
The full documentation is at http://booleano.readthedocs.io/en/latest/.
Contribute
----------
this project was not created by the current maintainer. in fact, the knowlege of this project from us is fare from
perfect, but with 100% of test coverages, it's not hard to keep it running.
if you find a bug, or want some feature, feel free to create a issues, or a Pull Request, but keep in mind that
it can be hard for us to work on it. the best way to have it fixed, it's to write a Pull Request with passing tests,
and we will merge it if it's a good piece of code.
see CONTRIBUTING.rst to know how work with ease on this project.
Upgrade Note
------------
the old alpha release 1.0a1 is not compatible with newer version (starting with 1.1a1) because of heavy
import path changes. all import from the modules (__init__.py) is discouraged.
Credit
------
**forked** from Gustavo Narea's booleano project on `launchpad.net <https://launchpad.net/booleano>`_.
**maintened** by yupeek
Links
-----
* `Web site <https://github.com/Yupeek/booleano>`_.
* `Bug reports <https://github.com/Yupeek/booleano/issues>`_.
نحوه نصب
نصب پکیج whl booleano-1.1a2:
pip install booleano-1.1a2.whl
نصب پکیج tar.gz booleano-1.1a2:
pip install booleano-1.1a2.tar.gz