import re

class Adventure:
    def __init__(self, filepath):
        self.sections = re.compile(r'(?:===\n)(.*?):\n(.*?)(?=\n===)', re.DOTALL)
        self.section_contents = re.compile(r'\n(?:---)?\n?', re.DOTALL)

        with open(filepath) as f:
            self.file_contents = f.read()
        self.read_adventure_metadata()
        self.assemble_adventure()

    def read_adventure_metadata(self):
        name, description, version, adventure = self.file_contents.split('\n', maxsplit=3)
        self.name = name
        self.description = description.replace('description: ', '')
        self.version = version.replace('Version:', '')
        self.adventure = adventure

    def assemble_adventure(self):
        constructors = {'Rooms' : self.rooms,
                        'Exits' : self.exits}
        for section_type, section_contents in self.sections.findall(self.adventure):
            section_contents = self.section_contents.split(section_contents)
            constructor = constructors[section_type]
            constructor(section_contents)

    def rooms(self, section_contents):
        # do something with Rooms text

    def exits(self, section_contents):
        # do something with Exits text