mirror of
https://github.com/csunny/DB-GPT.git
synced 2025-07-23 12:21:08 +00:00
101 lines
2.8 KiB
Python
101 lines
2.8 KiB
Python
"""PPTX Knowledge."""
|
|
from typing import Any, Dict, List, Optional, Union
|
|
|
|
from dbgpt.core import Document
|
|
from dbgpt.rag.knowledge.base import (
|
|
ChunkStrategy,
|
|
DocumentType,
|
|
Knowledge,
|
|
KnowledgeType,
|
|
)
|
|
|
|
|
|
class PPTXKnowledge(Knowledge):
|
|
"""PPTX Knowledge."""
|
|
|
|
def __init__(
|
|
self,
|
|
file_path: Optional[str] = None,
|
|
knowledge_type: KnowledgeType = KnowledgeType.DOCUMENT,
|
|
loader: Optional[Any] = None,
|
|
language: Optional[str] = "zh",
|
|
metadata: Optional[Dict[str, Union[str, List[str]]]] = None,
|
|
**kwargs: Any,
|
|
) -> None:
|
|
"""Create PPTX knowledge with PDF Knowledge arguments.
|
|
|
|
Args:
|
|
file_path:(Optional[str]) file path
|
|
knowledge_type:(KnowledgeType) knowledge type
|
|
loader:(Optional[Any]) loader
|
|
"""
|
|
super().__init__(
|
|
path=file_path,
|
|
knowledge_type=knowledge_type,
|
|
data_loader=loader,
|
|
metadata=metadata,
|
|
**kwargs,
|
|
)
|
|
self._language = language
|
|
|
|
def _load(self) -> List[Document]:
|
|
"""Load pdf document from loader."""
|
|
if self._loader:
|
|
documents = self._loader.load()
|
|
else:
|
|
from pptx import Presentation
|
|
|
|
pr = Presentation(self._path)
|
|
docs = []
|
|
for slide in pr.slides:
|
|
content = ""
|
|
for shape in slide.shapes:
|
|
if hasattr(shape, "text") and shape.text:
|
|
content += shape.text
|
|
metadata = {"source": self._path}
|
|
if self._metadata:
|
|
metadata.update(self._metadata) # type: ignore
|
|
docs.append(Document(content=content, metadata=metadata))
|
|
return docs
|
|
return [Document.langchain2doc(lc_document) for lc_document in documents]
|
|
|
|
@classmethod
|
|
def support_chunk_strategy(cls) -> List[ChunkStrategy]:
|
|
"""Return support chunk strategy.
|
|
|
|
Returns:
|
|
List[ChunkStrategy]: support chunk strategy
|
|
"""
|
|
return [
|
|
ChunkStrategy.CHUNK_BY_SIZE,
|
|
ChunkStrategy.CHUNK_BY_PAGE,
|
|
ChunkStrategy.CHUNK_BY_SEPARATOR,
|
|
]
|
|
|
|
@classmethod
|
|
def default_chunk_strategy(cls) -> ChunkStrategy:
|
|
"""Return default chunk strategy.
|
|
|
|
Returns:
|
|
ChunkStrategy: default chunk strategy
|
|
"""
|
|
return ChunkStrategy.CHUNK_BY_SIZE
|
|
|
|
@classmethod
|
|
def type(cls) -> KnowledgeType:
|
|
"""Knowledge type of PPTX.
|
|
|
|
Returns:
|
|
KnowledgeType: knowledge type
|
|
"""
|
|
return KnowledgeType.DOCUMENT
|
|
|
|
@classmethod
|
|
def document_type(cls) -> DocumentType:
|
|
"""Document type of PPTX.
|
|
|
|
Returns:
|
|
DocumentType: document type
|
|
"""
|
|
return DocumentType.PPTX
|