This commit is contained in:
Joel
2024-10-28 16:33:02 +08:00
parent 966d42a4db
commit 0cec6195a3
9 changed files with 42 additions and 84 deletions

View File

@ -35,8 +35,7 @@ class DocumentExtractorNode(BaseNode[DocumentExtractorNodeData]):
def _run(self):
variable_selector = self.node_data.variable_selector
variable = self.graph_runtime_state.variable_pool.get(
variable_selector)
variable = self.graph_runtime_state.variable_pool.get(variable_selector)
if variable is None:
error_message = f"File variable not found for selector: {variable_selector}"
@ -47,8 +46,7 @@ class DocumentExtractorNode(BaseNode[DocumentExtractorNodeData]):
value = variable.value
inputs = {"variable_selector": variable_selector}
process_data = {"documents": value if isinstance(value, list) else [
value]}
process_data = {"documents": value if isinstance(value, list) else [value]}
try:
if isinstance(value, list):
@ -68,8 +66,7 @@ class DocumentExtractorNode(BaseNode[DocumentExtractorNodeData]):
outputs={"text": extracted_text},
)
else:
raise DocumentExtractorError(
f"Unsupported variable type: {type(value)}")
raise DocumentExtractorError(f"Unsupported variable type: {type(value)}")
except DocumentExtractorError as e:
return NodeRunResult(
status=WorkflowNodeExecutionStatus.FAILED,
@ -105,8 +102,7 @@ def _extract_text_by_mime_type(*, file_content: bytes, mime_type: str) -> str:
case "application/json":
return _extract_text_from_json(file_content)
case _:
raise UnsupportedFileTypeError(
f"Unsupported MIME type: {mime_type}")
raise UnsupportedFileTypeError(f"Unsupported MIME type: {mime_type}")
def _extract_text_by_file_extension(*, file_content: bytes, file_extension: str) -> str:
@ -135,8 +131,7 @@ def _extract_text_by_file_extension(*, file_content: bytes, file_extension: str)
case ".msg":
return _extract_text_from_msg(file_content)
case _:
raise UnsupportedFileTypeError(
f"Unsupported Extension Type: {file_extension}")
raise UnsupportedFileTypeError(f"Unsupported Extension Type: {file_extension}")
def _extract_text_from_plain_text(file_content: bytes) -> str:
@ -151,8 +146,7 @@ def _extract_text_from_json(file_content: bytes) -> str:
json_data = json.loads(file_content.decode("utf-8"))
return json.dumps(json_data, indent=2, ensure_ascii=False)
except (UnicodeDecodeError, json.JSONDecodeError) as e:
raise TextExtractionError(
f"Failed to decode or parse JSON file: {e}") from e
raise TextExtractionError(f"Failed to decode or parse JSON file: {e}") from e
def _extract_text_from_pdf(file_content: bytes) -> str:
@ -167,8 +161,7 @@ def _extract_text_from_pdf(file_content: bytes) -> str:
page.close()
return text
except Exception as e:
raise TextExtractionError(
f"Failed to extract text from PDF: {str(e)}") from e
raise TextExtractionError(f"Failed to extract text from PDF: {str(e)}") from e
def _extract_text_from_doc(file_content: bytes) -> str:
@ -177,8 +170,7 @@ def _extract_text_from_doc(file_content: bytes) -> str:
doc = docx.Document(doc_file)
return "\n".join([paragraph.text for paragraph in doc.paragraphs])
except Exception as e:
raise TextExtractionError(
f"Failed to extract text from DOC/DOCX: {str(e)}") from e
raise TextExtractionError(f"Failed to extract text from DOC/DOCX: {str(e)}") from e
def _download_file_content(file: File) -> bytes:
@ -193,8 +185,7 @@ def _download_file_content(file: File) -> bytes:
elif file.transfer_method == FileTransferMethod.LOCAL_FILE:
return file_manager.download(file)
else:
raise ValueError(
f"Unsupported transfer method: {file.transfer_method}")
raise ValueError(f"Unsupported transfer method: {file.transfer_method}")
except Exception as e:
raise FileDownloadError(f"Error downloading file: {str(e)}") from e
@ -202,14 +193,11 @@ def _download_file_content(file: File) -> bytes:
def _extract_text_from_file(file: File):
file_content = _download_file_content(file)
if file.extension:
extracted_text = _extract_text_by_file_extension(
file_content=file_content, file_extension=file.extension)
extracted_text = _extract_text_by_file_extension(file_content=file_content, file_extension=file.extension)
elif file.mime_type:
extracted_text = _extract_text_by_mime_type(
file_content=file_content, mime_type=file.mime_type)
extracted_text = _extract_text_by_mime_type(file_content=file_content, mime_type=file.mime_type)
else:
raise UnsupportedFileTypeError(
"Unable to determine file type: MIME type or file extension is missing")
raise UnsupportedFileTypeError("Unable to determine file type: MIME type or file extension is missing")
return extracted_text
@ -230,8 +218,7 @@ def _extract_text_from_csv(file_content: bytes) -> str:
return markdown_table.strip()
except Exception as e:
raise TextExtractionError(
f"Failed to extract text from CSV: {str(e)}") from e
raise TextExtractionError(f"Failed to extract text from CSV: {str(e)}") from e
def _extract_text_from_excel(file_content: bytes) -> str:
@ -247,8 +234,7 @@ def _extract_text_from_excel(file_content: bytes) -> str:
markdown_table = df.to_markdown(index=False)
return markdown_table
except Exception as e:
raise TextExtractionError(
f"Failed to extract text from Excel file: {str(e)}") from e
raise TextExtractionError(f"Failed to extract text from Excel file: {str(e)}") from e
def _extract_text_from_ppt(file_content: bytes) -> str:
@ -257,8 +243,7 @@ def _extract_text_from_ppt(file_content: bytes) -> str:
elements = partition_ppt(file=file)
return "\n".join([getattr(element, "text", "") for element in elements])
except Exception as e:
raise TextExtractionError(
f"Failed to extract text from PPT: {str(e)}") from e
raise TextExtractionError(f"Failed to extract text from PPT: {str(e)}") from e
def _extract_text_from_pptx(file_content: bytes) -> str:
@ -267,8 +252,7 @@ def _extract_text_from_pptx(file_content: bytes) -> str:
elements = partition_pptx(file=file)
return "\n".join([getattr(element, "text", "") for element in elements])
except Exception as e:
raise TextExtractionError(
f"Failed to extract text from PPTX: {str(e)}") from e
raise TextExtractionError(f"Failed to extract text from PPTX: {str(e)}") from e
def _extract_text_from_epub(file_content: bytes) -> str:
@ -277,8 +261,7 @@ def _extract_text_from_epub(file_content: bytes) -> str:
elements = partition_epub(file=file)
return "\n".join([str(element) for element in elements])
except Exception as e:
raise TextExtractionError(
f"Failed to extract text from EPUB: {str(e)}") from e
raise TextExtractionError(f"Failed to extract text from EPUB: {str(e)}") from e
def _extract_text_from_eml(file_content: bytes) -> str:
@ -287,8 +270,7 @@ def _extract_text_from_eml(file_content: bytes) -> str:
elements = partition_email(file=file)
return "\n".join([str(element) for element in elements])
except Exception as e:
raise TextExtractionError(
f"Failed to extract text from EML: {str(e)}") from e
raise TextExtractionError(f"Failed to extract text from EML: {str(e)}") from e
def _extract_text_from_msg(file_content: bytes) -> str:
@ -297,5 +279,4 @@ def _extract_text_from_msg(file_content: bytes) -> str:
elements = partition_msg(file=file)
return "\n".join([str(element) for element in elements])
except Exception as e:
raise TextExtractionError(
f"Failed to extract text from MSG: {str(e)}") from e
raise TextExtractionError(f"Failed to extract text from MSG: {str(e)}") from e