ragflow/deepdoc/parser/ppt_parser.py
Stephen Hu d77380f024
Feat: support pic base bullet for PPT (#6406)
### What problem does this PR solve?

support pic base bullet for PPT

modify one mistake in document

### Type of change

- [x] New Feature (non-breaking change which adds functionality)
2025-03-24 09:31:31 +08:00

80 lines
2.8 KiB
Python

#
# 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 __get_bulleted_text(self, paragraph):
is_bulleted = bool(paragraph._p.xpath("./a:pPr/a:buChar")) or bool(paragraph._p.xpath("./a:pPr/a:buAutoNum")) or bool(paragraph._p.xpath("./a:pPr/a:buBlip"))
if is_bulleted:
return f"{' '* paragraph.level}.{paragraph.text}"
else:
return paragraph.text
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:
text_frame = shape.text_frame
texts = []
for paragraph in text_frame.paragraphs:
if paragraph.text.strip():
texts.append(self.__get_bulleted_text(paragraph))
return "\n".join(texts)
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