Monja is mongo jinja query evaluator

README.md

Monja

Monja is mongo jinja query evaluator

Installation

pip install -r requirements.txt

Usage

from monja import Monja

Monja.configure(queries_path='path-to-monja-queries-folder')
data1: list = Monja.get('1')
data2: list = Monja.get('1.monja')

monja.py

import os

from jinja2 import FileSystemLoader, Environment


class Monja:
    """
    Monja
    ~~~~~

    Monja is mongo jinja query evaluator

    >>> from monja import Monja
    >>> Monja.configure(queries_path='path-to-monja-queries-folder')
    >>> data1: list = Monja.get('1')
    >>> data2: list = Monja.get('1.monja')
    """
    __slots__ = ()

    @staticmethod
    def configure(queries_path):
        os.environ.setdefault('MONJA_QUERIES_FOLDER', str(queries_path))

    @staticmethod
    def get(name, **kwargs):
        query_path = os.environ.get('MONJA_QUERIES_FOLDER')
        if query_path is None:
            raise EnvironmentError('MONJA_QUERIES_FOLDER is not set as environment variable. '
                                   'Set MONJA_QUERIES_FOLDER as environment variable or '
                                   'run `Monja.configure()` before using it.')

        if not name.endswith('.monja'):
            name += '.monja'

        if not os.path.isfile(os.path.join(query_path, name)):
            raise FileNotFoundError('No such query file: {}'.format(name))

        loader = FileSystemLoader(searchpath=query_path)
        env = Environment(loader=loader)
        template = env.get_template(name)
        string = template.render(**kwargs)
        return eval(string)

requirements.txt

Jinja2==2.11.2
MarkupSafe==1.1.1