Set content-type during upload

audbackend/core/backend/minio.py

@@ -1,4 +1,5 @@
 import configparser
+import mimetypes
 import os
 import tempfile
 import typing
@@ -369,7 +370,13 @@ def _put_file(
             )
             print(desc, end="\r")
 
-        self._client.fput_object(self.repository, dst_path, src_path)
+        content_type = mimetypes.guess_type(src_path)[0] or "application/octet-stream"
+        self._client.fput_object(
+            self.repository,
+            dst_path,
+            src_path,
+            content_type=content_type,
+        )
 
         if verbose:  # pragma: no cover
             # Clear progress line

tests/test_backend_minio.py

@@ -70,6 +70,33 @@ def test_authentication(tmpdir, hosts, hide_credentials):
         backend.open()
 
 
+@pytest.mark.parametrize(
+    "interface",
+    [(audbackend.backend.Minio, audbackend.interface.Unversioned)],
+    indirect=True,
+)
+@pytest.mark.parametrize(
+    "path, expected,",
+    [
+        ("/text.txt", "text/plain"),
+    ],
+)
+def test_content_type(tmpdir, interface, path, expected):
+    r"""Test setting of content type.
+
+    Args:
+        tmpdir: tmpdir fixture
+        interface: interface fixture
+        path: path of file on backend
+        expected: expected content type
+
+    """
+    tmp_path = audeer.touch(audeer.path(tmpdir, path[1:]))
+    interface.put_file(tmp_path, path)
+    stats = interface._backend._client.stat_object(interface.repository, path)
+    assert stats.content_type == expected
+
+
 @pytest.mark.parametrize(
     "interface",
     [(audbackend.backend.Minio, audbackend.interface.Unversioned)],