Removes the 'extensions' directory from pyrightconfig.json and fixes … (#26512)

Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

api/extensions/ext_app_metrics.py

@@ -10,14 +10,14 @@ from dify_app import DifyApp
 
 def init_app(app: DifyApp):
     @app.after_request
-    def after_request(response):
+    def after_request(response):  # pyright: ignore[reportUnusedFunction]
         """Add Version headers to the response."""
         response.headers.add("X-Version", dify_config.project.version)
         response.headers.add("X-Env", dify_config.DEPLOY_ENV)
         return response
 
     @app.route("/health")
-    def health():
+    def health():  # pyright: ignore[reportUnusedFunction]
         return Response(
             json.dumps({"pid": os.getpid(), "status": "ok", "version": dify_config.project.version}),
             status=200,
@@ -25,7 +25,7 @@ def init_app(app: DifyApp):
         )
 
     @app.route("/threads")
-    def threads():
+    def threads():  # pyright: ignore[reportUnusedFunction]
         num_threads = threading.active_count()
         threads = threading.enumerate()
 
@@ -50,7 +50,7 @@ def init_app(app: DifyApp):
         }
 
     @app.route("/db-pool-stat")
-    def pool_stat():
+    def pool_stat():  # pyright: ignore[reportUnusedFunction]
         from extensions.ext_database import db
 
         engine = db.engine

api/extensions/ext_database.py

@@ -10,7 +10,7 @@ from models.engine import db
 logger = logging.getLogger(__name__)
 
 # Global flag to avoid duplicate registration of event listener
-_GEVENT_COMPATIBILITY_SETUP: bool = False
+_gevent_compatibility_setup: bool = False
 
 
 def _safe_rollback(connection):
@@ -26,14 +26,14 @@ def _safe_rollback(connection):
 
 
 def _setup_gevent_compatibility():
-    global _GEVENT_COMPATIBILITY_SETUP  # pylint: disable=global-statement
+    global _gevent_compatibility_setup  # pylint: disable=global-statement
 
     # Avoid duplicate registration
-    if _GEVENT_COMPATIBILITY_SETUP:
+    if _gevent_compatibility_setup:
         return
 
     @event.listens_for(Pool, "reset")
-    def _safe_reset(dbapi_connection, connection_record, reset_state):  # pylint: disable=unused-argument
+    def _safe_reset(dbapi_connection, connection_record, reset_state):  # pyright: ignore[reportUnusedFunction]
         if reset_state.terminate_only:
             return
 
@@ -47,7 +47,7 @@ def _setup_gevent_compatibility():
         except (AttributeError, ImportError):
             _safe_rollback(dbapi_connection)
 
-    _GEVENT_COMPATIBILITY_SETUP = True
+    _gevent_compatibility_setup = True
 
 
 def init_app(app: DifyApp):

api/extensions/ext_import_modules.py

@@ -2,4 +2,4 @@ from dify_app import DifyApp
 
 
 def init_app(app: DifyApp):
-    from events import event_handlers  # noqa: F401
+    from events import event_handlers  # noqa: F401 # pyright: ignore[reportUnusedImport]

api/extensions/storage/aliyun_oss_storage.py

@@ -33,7 +33,9 @@ class AliyunOssStorage(BaseStorage):
 
     def load_once(self, filename: str) -> bytes:
         obj = self.client.get_object(self.__wrapper_folder_filename(filename))
-        data: bytes = obj.read()
+        data = obj.read()
+        if not isinstance(data, bytes):
+            return b""
         return data
 
     def load_stream(self, filename: str) -> Generator:

api/extensions/storage/aws_s3_storage.py

@@ -39,10 +39,10 @@ class AwsS3Storage(BaseStorage):
             self.client.head_bucket(Bucket=self.bucket_name)
         except ClientError as e:
             # if bucket not exists, create it
-            if e.response["Error"]["Code"] == "404":
+            if e.response.get("Error", {}).get("Code") == "404":
                 self.client.create_bucket(Bucket=self.bucket_name)
             # if bucket is not accessible, pass, maybe the bucket is existing but not accessible
-            elif e.response["Error"]["Code"] == "403":
+            elif e.response.get("Error", {}).get("Code") == "403":
                 pass
             else:
                 # other error, raise exception
@@ -55,7 +55,7 @@ class AwsS3Storage(BaseStorage):
         try:
             data: bytes = self.client.get_object(Bucket=self.bucket_name, Key=filename)["Body"].read()
         except ClientError as ex:
-            if ex.response["Error"]["Code"] == "NoSuchKey":
+            if ex.response.get("Error", {}).get("Code") == "NoSuchKey":
                 raise FileNotFoundError("File not found")
             else:
                 raise
@@ -66,7 +66,7 @@ class AwsS3Storage(BaseStorage):
             response = self.client.get_object(Bucket=self.bucket_name, Key=filename)
             yield from response["Body"].iter_chunks()
         except ClientError as ex:
-            if ex.response["Error"]["Code"] == "NoSuchKey":
+            if ex.response.get("Error", {}).get("Code") == "NoSuchKey":
                 raise FileNotFoundError("file not found")
             elif "reached max retries" in str(ex):
                 raise ValueError("please do not request the same file too frequently")

api/extensions/storage/azure_blob_storage.py

@@ -27,24 +27,38 @@ class AzureBlobStorage(BaseStorage):
             self.credential = None
 
     def save(self, filename, data):
+        if not self.bucket_name:
+            return
+
         client = self._sync_client()
         blob_container = client.get_container_client(container=self.bucket_name)
         blob_container.upload_blob(filename, data)
 
     def load_once(self, filename: str) -> bytes:
+        if not self.bucket_name:
+            raise FileNotFoundError("Azure bucket name is not configured.")
+
         client = self._sync_client()
         blob = client.get_container_client(container=self.bucket_name)
         blob = blob.get_blob_client(blob=filename)
-        data: bytes = blob.download_blob().readall()
+        data = blob.download_blob().readall()
+        if not isinstance(data, bytes):
+            raise TypeError(f"Expected bytes from blob.readall(), got {type(data).__name__}")
         return data
 
     def load_stream(self, filename: str) -> Generator:
+        if not self.bucket_name:
+            raise FileNotFoundError("Azure bucket name is not configured.")
+
         client = self._sync_client()
         blob = client.get_blob_client(container=self.bucket_name, blob=filename)
         blob_data = blob.download_blob()
         yield from blob_data.chunks()
 
     def download(self, filename, target_filepath):
+        if not self.bucket_name:
+            return
+
         client = self._sync_client()
 
         blob = client.get_blob_client(container=self.bucket_name, blob=filename)
@@ -53,12 +67,18 @@ class AzureBlobStorage(BaseStorage):
             blob_data.readinto(my_blob)
 
     def exists(self, filename):
+        if not self.bucket_name:
+            return False
+
         client = self._sync_client()
 
         blob = client.get_blob_client(container=self.bucket_name, blob=filename)
         return blob.exists()
 
     def delete(self, filename):
+        if not self.bucket_name:
+            return
+
         client = self._sync_client()
 
         blob_container = client.get_container_client(container=self.bucket_name)

api/extensions/storage/clickzetta_volume/clickzetta_volume_storage.py

@@ -430,7 +430,7 @@ class ClickZettaVolumeStorage(BaseStorage):
 
             rows = self._execute_sql(sql, fetch=True)
 
-            exists = len(rows) > 0
+            exists = len(rows) > 0 if rows else False
             logger.debug("File %s exists check: %s", filename, exists)
             return exists
         except Exception as e:
@@ -509,16 +509,17 @@ class ClickZettaVolumeStorage(BaseStorage):
             rows = self._execute_sql(sql, fetch=True)
 
             result = []
-            for row in rows:
-                file_path = row[0]  # relative_path column
+            if rows:
+                for row in rows:
+                    file_path = row[0]  # relative_path column
 
-                # For User Volume, remove dify prefix from results
-                dify_prefix_with_slash = f"{self._config.dify_prefix}/"
-                if volume_prefix == "USER VOLUME" and file_path.startswith(dify_prefix_with_slash):
-                    file_path = file_path[len(dify_prefix_with_slash) :]  # Remove prefix
+                    # For User Volume, remove dify prefix from results
+                    dify_prefix_with_slash = f"{self._config.dify_prefix}/"
+                    if volume_prefix == "USER VOLUME" and file_path.startswith(dify_prefix_with_slash):
+                        file_path = file_path[len(dify_prefix_with_slash) :]  # Remove prefix
 
-                if files and not file_path.endswith("/") or directories and file_path.endswith("/"):
-                    result.append(file_path)
+                    if files and not file_path.endswith("/") or directories and file_path.endswith("/"):
+                        result.append(file_path)
 
             logger.debug("Scanned %d items in path %s", len(result), path)
             return result

api/extensions/storage/clickzetta_volume/volume_permissions.py

@@ -439,6 +439,11 @@ class VolumePermissionManager:
         self._permission_cache.clear()
         logger.debug("Permission cache cleared")
 
+    @property
+    def volume_type(self) -> str | None:
+        """Get the volume type."""
+        return self._volume_type
+
     def get_permission_summary(self, dataset_id: str | None = None) -> dict[str, bool]:
         """Get permission summary
 
@@ -632,13 +637,13 @@ def check_volume_permission(permission_manager: VolumePermissionManager, operati
         VolumePermissionError: If no permission
     """
     if not permission_manager.validate_operation(operation, dataset_id):
-        error_message = f"Permission denied for operation '{operation}' on {permission_manager._volume_type} volume"
+        error_message = f"Permission denied for operation '{operation}' on {permission_manager.volume_type} volume"
         if dataset_id:
             error_message += f" (dataset: {dataset_id})"
 
         raise VolumePermissionError(
             error_message,
             operation=operation,
-            volume_type=permission_manager._volume_type or "unknown",
+            volume_type=permission_manager.volume_type or "unknown",
             dataset_id=dataset_id,
         )

api/extensions/storage/google_cloud_storage.py

@@ -35,12 +35,16 @@ class GoogleCloudStorage(BaseStorage):
     def load_once(self, filename: str) -> bytes:
         bucket = self.client.get_bucket(self.bucket_name)
         blob = bucket.get_blob(filename)
+        if blob is None:
+            raise FileNotFoundError("File not found")
         data: bytes = blob.download_as_bytes()
         return data
 
     def load_stream(self, filename: str) -> Generator:
         bucket = self.client.get_bucket(self.bucket_name)
         blob = bucket.get_blob(filename)
+        if blob is None:
+            raise FileNotFoundError("File not found")
         with blob.open(mode="rb") as blob_stream:
             while chunk := blob_stream.read(4096):
                 yield chunk
@@ -48,6 +52,8 @@ class GoogleCloudStorage(BaseStorage):
     def download(self, filename, target_filepath):
         bucket = self.client.get_bucket(self.bucket_name)
         blob = bucket.get_blob(filename)
+        if blob is None:
+            raise FileNotFoundError("File not found")
         blob.download_to_filename(target_filepath)
 
     def exists(self, filename):

api/extensions/storage/huawei_obs_storage.py

@@ -45,7 +45,7 @@ class HuaweiObsStorage(BaseStorage):
 
     def _get_meta(self, filename):
         res = self.client.getObjectMetadata(bucketName=self.bucket_name, objectKey=filename)
-        if res.status < 300:
+        if res and res.status and res.status < 300:
             return res
         else:
             return None

api/extensions/storage/oracle_oci_storage.py

@@ -29,7 +29,7 @@ class OracleOCIStorage(BaseStorage):
         try:
             data: bytes = self.client.get_object(Bucket=self.bucket_name, Key=filename)["Body"].read()
         except ClientError as ex:
-            if ex.response["Error"]["Code"] == "NoSuchKey":
+            if ex.response.get("Error", {}).get("Code") == "NoSuchKey":
                 raise FileNotFoundError("File not found")
             else:
                 raise
@@ -40,7 +40,7 @@ class OracleOCIStorage(BaseStorage):
             response = self.client.get_object(Bucket=self.bucket_name, Key=filename)
             yield from response["Body"].iter_chunks()
         except ClientError as ex:
-            if ex.response["Error"]["Code"] == "NoSuchKey":
+            if ex.response.get("Error", {}).get("Code") == "NoSuchKey":
                 raise FileNotFoundError("File not found")
             else:
                 raise

api/extensions/storage/supabase_storage.py

@@ -46,13 +46,13 @@ class SupabaseStorage(BaseStorage):
         Path(target_filepath).write_bytes(result)
 
     def exists(self, filename):
-        result = self.client.storage.from_(self.bucket_name).list(filename)
-        if result.count() > 0:
+        result = self.client.storage.from_(self.bucket_name).list(path=filename)
+        if len(result) > 0:
             return True
         return False
 
     def delete(self, filename):
-        self.client.storage.from_(self.bucket_name).remove(filename)
+        self.client.storage.from_(self.bucket_name).remove([filename])
 
     def bucket_exists(self):
         buckets = self.client.storage.list_buckets()

api/extensions/storage/volcengine_tos_storage.py

@@ -11,6 +11,14 @@ class VolcengineTosStorage(BaseStorage):
 
     def __init__(self):
         super().__init__()
+        if not dify_config.VOLCENGINE_TOS_ACCESS_KEY:
+            raise ValueError("VOLCENGINE_TOS_ACCESS_KEY is not set")
+        if not dify_config.VOLCENGINE_TOS_SECRET_KEY:
+            raise ValueError("VOLCENGINE_TOS_SECRET_KEY is not set")
+        if not dify_config.VOLCENGINE_TOS_ENDPOINT:
+            raise ValueError("VOLCENGINE_TOS_ENDPOINT is not set")
+        if not dify_config.VOLCENGINE_TOS_REGION:
+            raise ValueError("VOLCENGINE_TOS_REGION is not set")
         self.bucket_name = dify_config.VOLCENGINE_TOS_BUCKET_NAME
         self.client = tos.TosClientV2(
             ak=dify_config.VOLCENGINE_TOS_ACCESS_KEY,
@@ -20,27 +28,39 @@ class VolcengineTosStorage(BaseStorage):
         )
 
     def save(self, filename, data):
+        if not self.bucket_name:
+            raise ValueError("VOLCENGINE_TOS_BUCKET_NAME is not set")
         self.client.put_object(bucket=self.bucket_name, key=filename, content=data)
 
     def load_once(self, filename: str) -> bytes:
+        if not self.bucket_name:
+            raise FileNotFoundError("VOLCENGINE_TOS_BUCKET_NAME is not set")
         data = self.client.get_object(bucket=self.bucket_name, key=filename).read()
         if not isinstance(data, bytes):
             raise TypeError(f"Expected bytes, got {type(data).__name__}")
         return data
 
     def load_stream(self, filename: str) -> Generator:
+        if not self.bucket_name:
+            raise FileNotFoundError("VOLCENGINE_TOS_BUCKET_NAME is not set")
         response = self.client.get_object(bucket=self.bucket_name, key=filename)
         while chunk := response.read(4096):
             yield chunk
 
     def download(self, filename, target_filepath):
+        if not self.bucket_name:
+            raise ValueError("VOLCENGINE_TOS_BUCKET_NAME is not set")
         self.client.get_object_to_file(bucket=self.bucket_name, key=filename, file_path=target_filepath)
 
     def exists(self, filename):
+        if not self.bucket_name:
+            return False
         res = self.client.head_object(bucket=self.bucket_name, key=filename)
         if res.status_code != 200:
             return False
         return True
 
     def delete(self, filename):
+        if not self.bucket_name:
+            return
         self.client.delete_object(bucket=self.bucket_name, key=filename)