platformsh.py

import os
import json
import base64

class Config():

    special_props = (
        'relationships',
        'application',
        'routes',
        'variables'
    )

    def __init__(self):
        if self.is_available():
            for item in self.special_props:
                setattr(self, item, self.unpack(item))

    def is_available(self):
        return os.getenv('PLATFORM_ENVIRONMENT') is not None

    def unpack(self, item):
        return json.loads(base64.b64decode(os.getenv('PLATFORM_' + item.upper())).decode('utf-8'))

    def __getattr__(self, item):
        try:
            return os.getenv('PLATFORM_' + item.upper())
        except AttributeError:
            format("No platform variable named %s", item)

Usage

from platformsh import Config

pc = Config()

if pc.is_available():
    relationships = pc.relationships
    env = getattr(pc, 'environment')