Add support for importing bootstrap setups from file

apps/bootstrap/managers.py

@@ -5,7 +5,7 @@ import logging
 from django.db import models
 from django.core import serializers
 
-from .classes import BootstrapModel
+from .classes import BootstrapModel, FixtureMetadata
 from .literals import FIXTURE_TYPE_FIXTURE_PROCESS, FIXTURE_TYPE_EMPTY_FIXTURE
 
 logger = logging.getLogger(__name__)
@@ -32,3 +32,11 @@ class BootstrapSetupManager(models.Manager):
             if not FIXTURE_TYPE_EMPTY_FIXTURE[serialization_format](model_fixture):
                 result.append(model_fixture)
         return FIXTURE_TYPE_FIXTURE_PROCESS[serialization_format]('\n'.join(result))
+
+    def import_setup(self, files):
+        file_data = files.read()
+        metadata = FixtureMetadata.read_all(file_data)
+        instance = self.model(fixture=file_data, **metadata)
+        instance.save(update_metadata=False)
+        
+