Read tarball into in-memory config provider

config_app/config_util/config/__init__.py

@@ -1,9 +1,13 @@
 from config_app.config_util.config.fileprovider import FileConfigProvider
 from config_app.config_util.config.testprovider import TestConfigProvider
+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()
 

config_app/config_util/config/inmemoryprovider.py

@@ -0,0 +1,66 @@
+import logging
+import yaml
+
+from config_app.config_util.config.baseprovider import BaseProvider
+
+
+logger = logging.getLogger(__name__)
+
+CONFIG_FILENAME = 'config.yaml'
+
+class InMemoryProvider(BaseProvider):
+    def __init__(self):
+        self.files = {}
+        self.config = {}
+
+    @property
+    def provider_id(self):
+        return 'memory'
+
+    def update_app_config(self, app_config):
+        self.config = app_config
+
+    def get_config(self):
+        return self.config
+
+    def save_config(self, config_object):
+        raise Exception('Not implemented yet')
+
+    def config_exists(self):
+        raise Exception('Not implemented yet')
+
+    def volume_exists(self):
+        raise Exception('Not implemented yet')
+
+    def volume_file_exists(self, filename):
+        return filename in self.files
+
+    def get_volume_file(self, filename, mode='r'):
+        return self.files[filename]
+
+    def write_volume_file(self, filename, contents):
+        raise Exception('Not implemented yet')
+
+    def remove_volume_file(self, filename):
+        raise Exception('Not implemented yet')
+
+    def list_volume_directory(self, path):
+        return [ name for name in self.files ]
+
+    def save_volume_file(self, filename, flask_file):
+        raise Exception('Not implemented yet')
+
+    def requires_restart(self, app_config):
+        raise Exception('Not implemented yet')
+
+    def get_volume_path(self, directory, filename):
+        raise Exception('Not implemented yet')
+
+    def load_from_tarball(self, tarfile):
+        for tarinfo in tarfile.getmembers():
+            if tarinfo.isfile():
+                if tarinfo.name == CONFIG_FILENAME:
+                    self.config = yaml.load(tarfile.extractfile(tarinfo.name).read())
+                else:
+                    self.files[tarinfo.name] = tarfile.extractfile(tarinfo.name).read()
+