Add support for resumable uploads for File API (google-gemini#275)

* add support for resumable uploads

* run formatter

* update docs

* simplify resumable flow and set as default

google/generativeai/client.py

@@ -59,6 +59,7 @@ def create_file(
         mime_type: str | None = None,
         name: str | None = None,
         display_name: str | None = None,
+        resumable: bool = True,
     ) -> glm.File:
         if self._discovery_api is None:
             self._setup_discovery_api()
@@ -69,7 +70,9 @@ def create_file(
         if display_name is not None:
             file["displayName"] = display_name
 
-        media = googleapiclient.http.MediaFileUpload(filename=path, mimetype=mime_type)
+        media = googleapiclient.http.MediaFileUpload(
+            filename=path, mimetype=mime_type, resumable=resumable
+        )
         request = self._discovery_api.media().upload(body={"file": file}, media_body=media)
         result = request.execute()
 

google/generativeai/files.py

@@ -35,7 +35,24 @@ def upload_file(
     mime_type: str | None = None,
     name: str | None = None,
     display_name: str | None = None,
+    resumable: bool = True,
 ) -> file_types.File:
+    """Uploads a file using a supported file service.
+
+    Args:
+        path: The path to the file to be uploaded.
+        mime_type: The MIME type of the file. If not provided, it will be
+            inferred from the file extension.
+        name: The name of the file in the destination (e.g., 'files/sample-image').
+            If not provided, a system generated ID will be created.
+        display_name: Optional display name of the file.
+        resumable: Whether to use the resumable upload protocol. By default, this is enabled.
+            See details at
+            https://googleapis.github.io/google-api-python-client/docs/epy/googleapiclient.http.MediaFileUpload-class.html#resumable
+
+    Returns:
+        file_types.File: The response of the uploaded file.
+    """
     client = get_default_file_client()
 
     path = pathlib.Path(os.fspath(path))
@@ -50,7 +67,7 @@ def upload_file(
         display_name = path.name
 
     response = client.create_file(
-        path=path, mime_type=mime_type, name=name, display_name=display_name
+        path=path, mime_type=mime_type, name=name, display_name=display_name, resumable=resumable
     )
     return file_types.File(response)