Fix alembic migrations importing app

Ensure we connect to loaded config db

config_app/config_util/config/__init__.py

@@ -5,12 +5,12 @@ from config_app.config_util.config.inmemoryprovider import InMemoryProvider
 
 def get_config_provider(config_volume, yaml_filename, py_filename, testing=False):
     """ Loads and returns the config provider for the current environment. """
-    if True:
-        return InMemoryProvider()
 
     if testing:
         return TestConfigProvider()
 
-    return FileConfigProvider(config_volume, yaml_filename, py_filename)
+    else:
+        return InMemoryProvider()
+
 
 

config_app/config_util/config/inmemoryprovider.py

@@ -12,6 +12,7 @@ class InMemoryProvider(BaseProvider):
     def __init__(self):
         self.files = {}
         self.config = {}
+        self.was_loaded = False
 
     @property
     def provider_id(self):
@@ -24,16 +25,17 @@ class InMemoryProvider(BaseProvider):
         return self.config
 
     def save_config(self, config_object):
-        raise Exception('Not implemented yet')
+        self.config = config_object
+        self.was_loaded = True
 
     def config_exists(self):
-        raise Exception('Not implemented yet')
+        return self.was_loaded
 
     def volume_exists(self):
-        raise Exception('Not implemented yet')
+        return True
 
     def volume_file_exists(self, filename):
-        return filename in self.files
+        return any([ name.startswith(filename) for name in self.files ])
 
     def get_volume_file(self, filename, mode='r'):
         return self.files[filename]
@@ -45,7 +47,7 @@ class InMemoryProvider(BaseProvider):
         raise Exception('Not implemented yet')
 
     def list_volume_directory(self, path):
-        return [ name for name in self.files ]
+        return [ name for name in self.files if name.startswith(path) ]
 
     def save_volume_file(self, filename, flask_file):
         raise Exception('Not implemented yet')
@@ -54,7 +56,8 @@ class InMemoryProvider(BaseProvider):
         raise Exception('Not implemented yet')
 
     def get_volume_path(self, directory, filename):
-        raise Exception('Not implemented yet')
+        # Here we can just access the filename since we're storing the tarball files with their full path
+        return self.files[filename]
 
     def load_from_tarball(self, tarfile):
         for tarinfo in tarfile.getmembers():
@@ -63,4 +66,5 @@ class InMemoryProvider(BaseProvider):
                     self.config = yaml.load(tarfile.extractfile(tarinfo.name).read())
                 else:
                     self.files[tarinfo.name] = tarfile.extractfile(tarinfo.name).read()
+        self.was_loaded = True