tagged 0.0.1

Tagged templates for Python

tagged

A Python version of JavaScript's tagged templates.

Installation

$ pip3 install tagged

Usage

import re
from tagged import tag


@tag
def rex(strings, values):
    pattern = strings[0]
    for value, string in zip(values, strings[1:]):
        if isinstance(value, re.Pattern):
            value = value.pattern
        elif isinstance(value, str):
            value = re.escape(value)
        else:
            raise TypeError("expected re.Pattern or str")
        pattern += "(?:" + value + ")" + string
    return re.compile(pattern)


greeting = re.compile("Hello|Hi|Greetings")
name = "Python 3.7"
rex("{greeting}, {name}!")
# re.compile('(?:Hello|Hi|Greetings), (?:Python\\ 3\\.7)!')

Development

Running Tests

$ python3 -m unittest discover -s tests

License

This library is licensed under the MIT license. See ./LICENSE.