flatten linnked feature files

unpackInclude.py

import re
from pathlib import Path

def solveFeatureLinking(path, container=''):
    
    if not container:
        with open(path, 'r') as inputFile:
            container = inputFile.read()

    pattern = re.compile(r'include\ *?\((.*)\)\ *?\;')
    matches = list(re.finditer(pattern, container))
    
    if matches:
        for match in matches[::-1]:
            left, right = match.span(0)
            with open(path.parent/match.group(1), 'r') as includeFile:
                includeData = includeFile.read()
            
            container = container[:left] + includeData + container[right:]
            return solveFeatureLinking(path, container)
    else:
        return container
'''
usage: 
feature = solveFeatureLinking(Path('a.fea').absolute())
print(feature)
'''