feat: Add various ruff rules (#3974)

Add various ruff rules

src/backend/base/langflow/__main__.py

@@ -461,7 +461,7 @@ def migration(
         if not typer.confirm(
             "This will delete all data necessary to fix migrations. Are you sure you want to continue?"
         ):
-            raise typer.Abort()
+            raise typer.Abort
 
     initialize_services(fix_migration=fix)
     db_service = get_db_service()

src/backend/base/langflow/base/agents/agent.py

@@ -50,7 +50,6 @@ class LCAgentComponent(Component):
     @abstractmethod
     def build_agent(self) -> AgentExecutor:
         """Create the agent."""
-        pass
 
     async def message_response(self) -> Message:
         """Run the agent and return the response."""
@@ -156,4 +155,3 @@ class LCToolsAgentComponent(LCAgentComponent):
     @abstractmethod
     def create_agent_runnable(self) -> Runnable:
         """Create the agent."""
-        pass

src/backend/base/langflow/base/data/utils.py

@@ -140,7 +140,7 @@ def parse_text_file_to_data(file_path: str, silent_errors: bool) -> Data | None:
                 text = [normalize_text(item) if isinstance(item, str) else item for item in text]
             text = orjson.dumps(text).decode("utf-8")
 
-        elif file_path.endswith(".yaml") or file_path.endswith(".yml"):
+        elif file_path.endswith((".yaml", ".yml")):
             text = yaml.safe_load(text)
         elif file_path.endswith(".xml"):
             xml_element = ET.fromstring(text)

src/backend/base/langflow/base/document_transformers/model.py

@@ -39,11 +39,9 @@ class LCDocumentTransformerComponent(Component):
         """
         Get the data input.
         """
-        pass
 
     @abstractmethod
     def build_document_transformer(self) -> BaseDocumentTransformer:
         """
         Build the text splitter.
         """
-        pass

src/backend/base/langflow/base/langchain_utilities/model.py

@@ -28,11 +28,9 @@ class LCToolComponent(Component):
         """
         Run model and return the output.
         """
-        pass
 
     @abstractmethod
     def build_tool(self) -> Tool | Sequence[Tool]:
         """
         Build the tool.
         """
-        pass

src/backend/base/langflow/base/textsplitters/model.py

@@ -26,4 +26,3 @@ class LCTextSplitterComponent(LCDocumentTransformerComponent):
         """
         Build the text splitter.
         """
-        pass

src/backend/base/langflow/components/chains/RetrievalQA.py

@@ -58,7 +58,7 @@ class RetrievalQAComponent(LCChainComponent):
         result_str = str(result.get("result", ""))
         if self.return_source_documents and len(source_docs):
             references_str = self.create_references_from_data(source_docs)
-            result_str = "\n".join([result_str, references_str])
+            result_str = f"{result_str}\n{references_str}"
         # put the entire result to debug history, query and content
         self.status = {**result, "source_documents": source_docs, "output": result_str}
         return result_str

src/backend/base/langflow/custom/code_parser/code_parser.py

@@ -343,7 +343,6 @@ class CodeParser:
                 nodes.append(class_node)
             except Exception as exc:
                 logger.error(f"Error finding base class node: {exc}")
-                pass
         nodes.insert(0, node)
         class_details = ClassCodeDetails(
             name=node.name,

src/backend/base/langflow/custom/utils.py

@@ -128,7 +128,7 @@ def get_field_properties(extra_field):
 
 
 def process_type(field_type: str):
-    if field_type.startswith("list") or field_type.startswith("List"):
+    if field_type.startswith(("list", "List")):
         return extract_inner_type(field_type)
 
     # field_type is a string can be Prompt or Code too

src/backend/base/langflow/inputs/input_mixin.py

@@ -18,7 +18,7 @@ from langflow.schema.table import Column, TableSchema
 class FieldTypes(str, Enum):
     TEXT = "str"
     INTEGER = "int"
-    PASSWORD = "str"
+    PASSWORD = "str"  # noqa: PIE796
     FLOAT = "float"
     BOOLEAN = "bool"
     DICT = "dict"

src/backend/base/langflow/services/storage/local.py

@@ -1,3 +1,4 @@
+import asyncio
 from pathlib import Path
 
 from loguru import logger
@@ -33,9 +34,12 @@ class LocalStorageService(StorageService):
         folder_path.mkdir(parents=True, exist_ok=True)
         file_path = folder_path / file_name
 
-        try:
+        def write_file(file_path: Path, data: bytes) -> None:
             with open(file_path, "wb") as f:
                 f.write(data)
+
+        try:
+            await asyncio.get_event_loop().run_in_executor(None, write_file, file_path, data)
             logger.info(f"File {file_name} saved successfully in flow {flow_id}.")
         except Exception as e:
             logger.error(f"Error saving file {file_name} in flow {flow_id}: {e}")
@@ -55,9 +59,13 @@ class LocalStorageService(StorageService):
             logger.warning(f"File {file_name} not found in flow {flow_id}.")
             raise FileNotFoundError(f"File {file_name} not found in flow {flow_id}")
 
-        with open(file_path, "rb") as f:
+        def read_file(file_path: Path) -> bytes:
-            logger.debug(f"File {file_name} retrieved successfully from flow {flow_id}.")
+            with open(file_path, "rb") as f:
-            return f.read()
+                return f.read()
+
+        content = await asyncio.get_event_loop().run_in_executor(None, read_file, file_path)
+        logger.debug(f"File {file_name} retrieved successfully from flow {flow_id}.")
+        return content
 
     async def list_files(self, flow_id: str):
         """
@@ -92,4 +100,4 @@ class LocalStorageService(StorageService):
 
     async def teardown(self):
         """Perform any cleanup operations when the service is being torn down."""
-        pass  # No specific teardown actions required for local
+        # No specific teardown actions required for local

src/backend/base/langflow/services/storage/s3.py

@@ -86,4 +86,3 @@ class S3StorageService(StorageService):
     async def teardown(self):
         """Perform any cleanup operations when the service is being torn down."""
         # No specific teardown actions required for S3 storage at the moment.
-        pass

src/backend/base/langflow/services/store/service.py

@@ -330,7 +330,7 @@ class StoreService(Service):
 
     async def download(self, api_key: str, component_id: UUID) -> DownloadComponentResponse:
         url = f"{self.components_url}/{component_id}"
-        params = {"fields": ",".join(["id", "name", "description", "data", "is_component", "metadata"])}
+        params = {"fields": "id,name,description,data,is_component,metadata"}
         if not self.download_webhook_url:
             raise ValueError("DOWNLOAD_WEBHOOK_URL is not set")
         component, _ = await self._get(url, api_key, params)
@@ -420,14 +420,14 @@ class StoreService(Service):
 
     async def get_tags(self) -> list[dict[str, Any]]:
         url = f"{self.base_url}/items/tags"
-        params = {"fields": ",".join(["id", "name"])}
+        params = {"fields": "id,name"}
         tags, _ = await self._get(url, api_key=None, params=params)
         return tags
 
     async def get_user_likes(self, api_key: str) -> list[dict[str, Any]]:
         url = f"{self.base_url}/users/me"
         params = {
-            "fields": ",".join(["id", "likes"]),
+            "fields": "id,likes",
         }
         likes, _ = await self._get(url, api_key, params)
         return likes
@@ -436,7 +436,7 @@ class StoreService(Service):
         url = f"{self.components_url}/{component_id}"
 
         params = {
-            "fields": ",".join(["id", "count(liked_by)"]),
+            "fields": "id,count(liked_by)",
         }
         result, _ = await self._get(url, api_key=api_key, params=params)
         if len(result) == 0:

src/backend/base/pyproject.toml

@@ -148,7 +148,34 @@ exclude = ["langflow/alembic"]
 line-length = 120
 
 [tool.ruff.lint]
-select = ["C4", "E", "F", "I", "UP"]
+select = [
+    "ASYNC",
+    "C4",
+    "COM",
+    "DJ",
+    "E",
+    "F",
+    "FLY",
+    "FURB",
+    "I",
+    "ICN",
+    "INT",
+    "LOG",
+    "NPY",
+    "PD",
+    "PIE",
+    "Q",
+    "RSE",
+    "SLOT",
+    "T10",
+    "TID",
+    "UP",
+    "W",
+    "YTT"
+]
+ignore = [
+    "COM812", # Messes with the formatter
+]
 
 [build-system]
 requires = ["hatchling"]