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# 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.
#
from io import BytesIO
from pptx import Presentation
class HuPptParser(object):
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 shape.shapes:
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[from_page: to_page]):
texts = []
for shape in slide.shapes:
txt = self.__extract(shape)
if txt: texts.append(txt)
txts.append("\n".join(texts))
return txts
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