relative dump of config files

config.py

# The contents of beatroute/src/beatroute/config.py

import __main__
import json
import os
import sqlite3
import uuid

from pathlib import Path


class Config:
    
    def __init__(self, filename=None):
        
        self.filename = filename or 'beatroute_config.json'
        if os.path.exists(self.filename):
            with open(self.filename) as infile:
                data = json.load(infile)
            
            for feature, config in data.items():
                for attribute, value in config.items():
                    setattr(self, attribute, value)
        else:
            self._build_defaults()
    
    def _build_defaults(self):
        # First find where script is being executed
        self.cur_dir = Path(__main__.__file__).parent # WAS: '\\'.join(stack_trace[1][1].split('\\')[:-1])
        
        # Flask app config
        self.SECRET_KEY = uuid.uuid4().hex
        self.SQLALCHEMY_DATABASE_URI = 'sqlite:///beatroute.db'
        self.SQLALCHEMY_TRACK_MODIFICATIONS = False
        self.SESSION_TYPE = 'sqlalchemy'
        
        config = {
            'app': {
                'SECRET_KEY': self.SECRET_KEY,
                'SQLALCHEMY_DATABASE_URI': self.SQLALCHEMY_DATABASE_URI,
                'SQLALCHEMY_TRACK_MODIFICATIONS': self.SQLALCHEMY_TRACK_MODIFICATIONS,
                'SESSION_TYPE': self.SESSION_TYPE,
                },
            'algorithm': {}
            }
        
        with open(self.filename, 'w') as outfile:
            json.dump(config, outfile, indent=4)

my_awesome_app.py

# The user creates this file in any location that they want. 
# The config file is dumped into the same directory as their script

from beatroute.config import Config

config = Config()