Add: blob service

1 files changed, 51 insertions, 0 deletions

diff --git a/ick2/blob_store.py b/ick2/blob_store.py
new file mode 100644
index 0000000..7d02cbf
--- /dev/null
+++ b/ick2/blob_store.py
@@ -0,0 +1,51 @@
+# Copyright (C) 2017  Lars Wirzenius
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import os
+
+
+import ick2
+
+
+class BlobStore:
+
+    def __init__(self):
+        self._blobdir = None
+
+    def get_blob_directory(self):
+        return self._blobdir
+
+    def set_blob_directory(self, dirname):
+        self._blobdir = dirname
+        if not os.path.exists(self._blobdir):
+            os.makedirs(self._blobdir)
+
+    def store_blob(self, name, blob):
+        filename = self._blob_filename(name)
+        ick2.log.log(
+            'trace', msg_text='store_blob', name=name, filename=filename)
+        with open(filename, 'wb') as f:
+            f.write(blob)
+
+    def get_blob(self, name):
+        filename = self._blob_filename(name)
+        ick2.log.log(
+            'trace', msg_text='get_blob', name=name, filename=filename)
+        with open(filename, 'rb') as f:
+            return f.read()
+
+    def _blob_filename(self, name):
+        return os.path.join(self._blobdir, name)