- #
- # Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- #
-
- import logging
- from io import BytesIO
- from pptx import Presentation
-
-
- class RAGFlowPptParser:
- def __init__(self):
- super().__init__()
-
- def __extract(self, shape):
- if shape.shape_type == 19:
- tb = shape.table
- rows = []
- for i in range(1, len(tb.rows)):
- rows.append("; ".join([tb.cell(
- 0, j).text + ": " + tb.cell(i, j).text for j in range(len(tb.columns)) if tb.cell(i, j)]))
- return "\n".join(rows)
-
- if shape.has_text_frame:
- return shape.text_frame.text
-
- if shape.shape_type == 6:
- texts = []
- for p in sorted(shape.shapes, key=lambda x: (x.top // 10, x.left)):
- t = self.__extract(p)
- if t:
- texts.append(t)
- return "\n".join(texts)
-
- def __call__(self, fnm, from_page, to_page, callback=None):
- ppt = Presentation(fnm) if isinstance(
- fnm, str) else Presentation(
- BytesIO(fnm))
- txts = []
- self.total_page = len(ppt.slides)
- for i, slide in enumerate(ppt.slides):
- if i < from_page:
- continue
- if i >= to_page:
- break
- texts = []
- for shape in sorted(
- slide.shapes, key=lambda x: ((x.top if x.top is not None else 0) // 10, x.left)):
- try:
- txt = self.__extract(shape)
- if txt:
- texts.append(txt)
- except Exception as e:
- logging.exception(e)
- txts.append("\n".join(texts))
-
- return txts
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