Storage/S3: Add md5 checksum

storage_s3/indico_storage_s3/plugin.py

@@ -75,8 +75,10 @@ class S3Storage(Storage):
 
     def save(self, name, content_type, filename, fileobj):
         try:
-            self.client.upload_fileobj(fileobj, self.bucket, name)
-            return name, ''
+            fileobject = self._ensure_fileobj(fileobj)
+            self.client.upload_fileobj(fileobject, self.bucket, name)
+            checksum = self.client.head_object(Bucket=self.bucket, Key=name)['ETag'][1:-1]
+            return name, checksum
         except Exception as e:
             raise StorageError('Could not save "{}": {}'.format(name, e)), None, sys.exc_info()[2]
 

storage_s3/setup.py

@@ -21,7 +21,7 @@ from setuptools import setup
 
 setup(
     name='indico-plugin-storage-s3',
-    version='1.0',
+    version='1.0-dev',
     description='S3 storage backend for Indico',
     url='https://github.com/indico/indico-plugins',
     license='https://www.gnu.org/licenses/gpl-3.0.txt',
@@ -32,7 +32,7 @@ setup(
     platforms='any',
     install_requires=[
         'indico>=2.0',
-        'boto3>=1.6.5'
+        'boto3>=1.6.16,<2.0'
     ],
     classifiers=[
         'Environment :: Plugins',