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yumoqing 2025-05-24 13:10:30 +08:00
parent 61fddf4bd9
commit 935119ef44

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@ -12,169 +12,142 @@ import mobi
from pypdf import PdfReader
import html2text
class MyMobiLoader:
class BaseLoader:
def __init__(self, file_path):
self.file_path = file_path
self.filepath = file_path
def load(self):
tempdir, filepath = mobi.extract(self.file_path)
pts = []
for i, t in self.load_pagetext():
pts.append(' '.join(t.split('\t')))
return '\n'.join(pts)
def load_pagetext(self):
raise Exception('Not implement')
class MyMobiLoader(BaseLoader):
def load_pagetext(self):
tempdir, filepath = mobi.extract(self.filepath)
with codecs.open(filepath, "r", "utf-8") as f:
content=f.read()
return html2text.html2text(content)
yield (0, html2text.html2text(content))
class MyChmLoader:
def __init__(self, file_path):
self.filepath = file_path
self.chm_file = None
def load(self):
"""Reads the CHM file and returns concatenated text from all text/html entries."""
self.chm_file = CHM.CHMFile(self.filepath)
content = []
def callback(chm_item):
if chm_item[0].endswith(('.html', '.htm', '.txt')):
try:
data = self.chm_file.read_file(chm_item[0])
if data:
content.append(data.decode('utf-8', errors='ignore'))
except Exception:
pass
return True
self.chm_file.walk(callback)
return '\n'.join(content)
class MyPdfLoader:
def __init__(self, file_path, **kw):
self.filepath = file_path
def load(self):
class MyPdfLoader(BaseLoader):
def load_pagetext(self):
"""Reads the PDF file and returns all text as a single string."""
text = ''
reader = PdfReader(self.filepath)
pts = []
for page in reader.pages:
for i,page in enumerate(reader.pages):
t = page.extract_text() or ''
pts.append(' '.join(t.split('\t')))
return ' '.join(pts)
yield (i, t)
class MyDocLoader:
def __init__(self, file_path):
self.filepath = file_path
def load(self):
"""Extract plain text from a .doc file using python-doc."""
with open(self.filepath, 'rb') as f:
document = python_doc.Document(f)
return document.text()
class MyDocxLoader:
def __init__(self, file_path):
self.filepath = file_path
self.document = None
def load(self):
class MyDocxLoader(BaseLoader):
def load_pagetext(self):
"""Reads the .docx file and returns the full text as a single string."""
self.document = Document(self.filepath)
text = '\n'.join([para.text for para in self.document.paragraphs])
return text
docx = Document(self.filepath)
for i, para in enumerate(docx.paragraphs):
yield (i,para.text)
class MyPptLoader:
def __init__(self, file_path):
self.filepath = file_path
def load(self):
class MyPptLoader(BaseLoader):
def load_pagetext(self):
prs = Presentation(self.filepath)
text = []
for slide in prs.slides:
for i, slide in enumerate(prs.slides):
txts = []
for shape in slide.shapes:
if hasattr(shape, "text"):
text.append(shape.text)
return "\n".join(text)
txts.append(shape.text)
yield (i,'\n'.join(txts))
class MyCsvLoader(CSVLoader):
def load(self):
docs = super().load()
return ' '.join([d.page_content for d in docs])
class MyCsvLoader(BaseLoader):
def load_pagetext(self):
loader = CSVLoader(self.filepath)
docs = loader.load()
for i, d in enumerate(docs):
dat = (i, d.page_content)
yield dat
class MyExcelLoader:
def __init__(self, file_path):
self.filepath = file_path
self.workbook = None
def load(self):
class MyExcelLoader(BaseLoader):
def load_pagetext(self):
"""Reads all sheets in the Excel file and returns the content as a string."""
self.workbook = load_workbook(filename=self.filepath, data_only=True)
content = []
for sheet in self.workbook.worksheets:
content.append(f"--- Sheet: {sheet.title} ---")
for i, sheet in enumerate(self.workbook.worksheets):
txts = []
for row in sheet.iter_rows(values_only=True):
row_text = '\t'.join(str(cell) if cell is not None else '' for cell in row)
content.append(row_text)
txts.append(row_text)
yield(i, '\n'.join(txts))
return '\n'.join(content)
return content
class MyEpubLoader:
class MyEpubLoader(BaseLoader):
def __init__(self, file_path):
self.filepath = file_path
self.book = None
def load(self):
def load_pagetext(self):
"""Reads the EPUB file and returns all text content as a string."""
self.book = epub.read_epub(self.filepath)
content = []
for item in self.book.get_items():
for i, item in enumerate(self.book.get_items()):
if isinstance(item, epub.EpubHtml):
soup = BeautifulSoup(item.get_content(), 'html.parser')
text = soup.get_text()
content.append(text.strip())
yield(i, text.strip())
return '\n\n'.join(content)
class MyTextLoader(TextLoader):
class MyTextLoader(BaseLoader):
def load_pagetext(self):
loader = TextLoader(self.filepath)
docs = loader.load()
for i, d in enumerate(docs):
dat = (i, d.page_content)
yield dat
class File2Text:
all_loaders = {
'docx':MyDocxLoader,
'pptx':MyPptLoader,
'csv':MyCsvLoader,
'xlsx':MyExcelLoader,
'pdf':MyPdfLoader,
'epub':MyEpubLoader,
'mobi':MyMobiLoader,
'txt':MyTextLoader
}
def __init__(self, filepath):
self.filepath = filepath
def load_pagetext(self):
k = self.filepath.lower().split('.')[-1]
klass = self.all_loaders.get(k, MyTextLoader)
loader = klass(self.filepath)
for d in loader.load_pagetext():
yield d
def load(self):
docs = super().load()
return '\n'.join([d.page_content for d in docs])
k = self.filepath.lower().split('.')[-1]
klass = self.all_loaders.get(k, MyTextLoader)
loader = klass(self.filepath)
return loader.load()
def fileloader(file_path):
# Load the PDF file and split the data into chunks
data = None
if file_path.lower().endswith('.pdf'):
loader = MyPdfLoader(file_path=file_path)
elif file_path.lower().endswith('.docx'):
loader = MyDocxLoader(file_path=file_path)
elif file_path.lower().endswith('.doc'):
raise Exception(f'not supported file({file_path}')
# loader = MyDocLoader(file_path=file_path)
elif file_path.lower().endswith('.pptx') or file_path.lower().endswith('.pptx'):
loader = MyPptLoader(file_path=file_path)
elif file_path.lower().endswith('.xlsx') or file_path.lower().endswith('.xls'):
loader = MyExcelLoader(file_path=file_path)
elif file_path.lower().endswith('.csv'):
loader = MyCsvLoader(file_path=file_path)
elif file_path.lower().endswith('.epub'):
loader = MyEpubLoader(file_path=file_path)
elif file_path.lower().endswith('.chm'):
raise Exception(f'not supported file({file_path}')
# loader = MyChmLoader(file_path=file_path)
elif file_path.lower().endswith('.mobi'):
loader = MyMobiLoader(file_path=file_path)
else:
loader = MyTextLoader(file_path=file_path)
data = loader.load()
return data
loader = File2Text(file_path)
return loader.load()
def filepageloader(file_path):
loader = File2Text(file_path)
for d in loader.load_pagetext():
yield d
if __name__ == '__main__':
import sys
from appPublic.textsplit import split_text_with_dialog_preserved
if len(sys.argv) < 2:
print(f'{sys.argv[0]} file\nload a file and get its text')
sys.exit(1)
text = fileloader(sys.argv[1])
txtlst = split_text_with_dialog_preserved(text)
for txt in txtlst:
print(f'{txt}')
print(f'{text=}')
"""
for i, txt in filepageloader(sys.argv[1]):
print(f'page:{i}\n{txt}\n=======\n')
"""