Fixed Several Exceptions in Workflow Usage

api/Dockerfile

@@ -60,6 +60,8 @@ RUN \
         fonts-noto-cjk \
         # install libmagic to support the use of python-magic guess MIMETYPE
         libmagic1 \
+        # install libreoffice to support the use of convert ppt file to pptx file
+        libreoffice \
     && apt-get autoremove -y \
     && rm -rf /var/lib/apt/lists/*
 
@@ -81,4 +83,4 @@ RUN chmod +x /entrypoint.sh
 ARG COMMIT_SHA
 ENV COMMIT_SHA=${COMMIT_SHA}
 
-ENTRYPOINT ["/bin/bash", "/entrypoint.sh"]
+ENTRYPOINT ["/bin/bash", "/entrypoint.sh"]

api/controllers/files/image_preview.py

@@ -1,3 +1,5 @@
+from urllib.parse import quote
+
 from flask import Response, request
 from flask_restful import Resource, reqparse  # type: ignore
 from werkzeug.exceptions import NotFound
@@ -71,7 +73,8 @@ def get(self, file_id):
         if upload_file.size > 0:
             response.headers["Content-Length"] = str(upload_file.size)
         if args["as_attachment"]:
-            response.headers["Content-Disposition"] = f"attachment; filename={upload_file.name}"
+            safe_filename = quote(upload_file.name)
+            response.headers["Content-Disposition"] = f"attachment; filename*=UTF-8''{safe_filename}"
 
         return response
 

api/core/app/apps/completion/app_generator.py

@@ -273,8 +273,8 @@ def generate_more_like_this(
         # parse files
         file_extra_config = FileUploadConfigManager.convert(override_model_config_dict)
         if file_extra_config:
-            file_objs = file_factory.build_from_mappings(
-                mappings=message.message_files,
+            file_objs = file_factory.build_from_message_files(
+                message_files=message.message_files,
                 tenant_id=app_model.tenant_id,
                 config=file_extra_config,
             )

api/core/workflow/nodes/document_extractor/node.py

@@ -8,6 +8,7 @@
 from collections.abc import Mapping, Sequence
 from typing import Any, cast
 
+import chardet
 import docx
 import pandas as pd
 import pypdfium2  # type: ignore
@@ -292,7 +293,11 @@ def _extract_text_from_file(file: File):
 
 def _extract_text_from_csv(file_content: bytes) -> str:
     try:
-        csv_file = io.StringIO(file_content.decode("utf-8", "ignore"))
+        detected_encoding = chardet.detect(file_content)["encoding"]
+        if detected_encoding is None:
+            csv_file = io.StringIO(file_content.decode("utf-8", "ignore"))
+        else:
+            csv_file = io.StringIO(file_content.decode(detected_encoding, "replace"))
         csv_reader = csv.reader(csv_file)
         rows = list(csv_reader)
 

api/core/workflow/nodes/list_operator/node.py

@@ -265,7 +265,7 @@ def _endswith(value: str) -> Callable[[str], bool]:
 
 
 def _is(value: str) -> Callable[[str], bool]:
-    return lambda x: x is value
+    return lambda x: x == value
 
 
 def _in(value: str | Sequence[str]) -> Callable[[str], bool]: