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Add separate methods for docx and pdf files to just convert files to raw text, before further processing

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sabaimran 2024-11-07 16:01:08 -08:00
parent 394035136d
commit ecc81e06a7
2 changed files with 59 additions and 43 deletions
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46
src/khoj/processor/content/docx/docx_to_entries.py
View file

@ -58,28 +58,13 @@ class DocxToEntries(TextToEntries):
file_to_text_map = dict()
for docx_file in docx_files:
try:
timestamp_now = datetime.utcnow().timestamp()
tmp_file = f"tmp_docx_file_{timestamp_now}.docx"
with open(tmp_file, "wb") as f:
bytes_content = docx_files[docx_file]
f.write(bytes_content)
# Load the content using Docx2txtLoader
loader = Docx2txtLoader(tmp_file)
docx_entries_per_file = loader.load()
# Convert the loaded entries into the desired format
docx_texts = [page.page_content for page in docx_entries_per_file]
docx_texts = DocxToEntries.extract_text(docx_files[docx_file])
entry_to_location_map += zip(docx_texts, [docx_file] * len(docx_texts))
entries.extend(docx_texts)
file_to_text_map[docx_file] = docx_texts
except Exception as e:
logger.warning(f"Unable to process file: {docx_file}. This file will not be indexed.")
logger.warning(f"Unable to extract entries from file: {docx_file}")
logger.warning(e, exc_info=True)
finally:
if os.path.exists(f"{tmp_file}"):
os.remove(f"{tmp_file}")
return file_to_text_map, DocxToEntries.convert_docx_entries_to_maps(entries, dict(entry_to_location_map))
@staticmethod
@ -103,3 +88,30 @@ class DocxToEntries(TextToEntries):
logger.debug(f"Converted {len(parsed_entries)} DOCX entries to dictionaries")
return entries
@staticmethod
def extract_text(docx_file):
"""Extract text from specified DOCX file"""
try:
timestamp_now = datetime.utcnow().timestamp()
tmp_file = f"tmp_docx_file_{timestamp_now}.docx"
docx_entry_by_pages = []
with open(tmp_file, "wb") as f:
bytes_content = docx_file
f.write(bytes_content)
# Load the content using Docx2txtLoader
loader = Docx2txtLoader(tmp_file)
docx_entries_per_file = loader.load()
# Convert the loaded entries into the desired format
docx_entry_by_pages = [page.page_content for page in docx_entries_per_file]
except Exception as e:
logger.warning(f"Unable to extract text from file: {docx_file}")
logger.warning(e, exc_info=True)
finally:
if os.path.exists(f"{tmp_file}"):
os.remove(f"{tmp_file}")
return docx_entry_by_pages

56
src/khoj/processor/content/pdf/pdf_to_entries.py
View file

@ -59,32 +59,9 @@ class PdfToEntries(TextToEntries):
entries: List[str] = []
entry_to_location_map: List[Tuple[str, str]] = []
for pdf_file in pdf_files:
try:
# Write the PDF file to a temporary file, as it is stored in byte format in the pdf_file object and the PDF Loader expects a file path
timestamp_now = datetime.utcnow().timestamp()
tmp_file = f"tmp_pdf_file_{timestamp_now}.pdf"
with open(f"{tmp_file}", "wb") as f:
bytes = pdf_files[pdf_file]
f.write(bytes)
try:
loader = PyMuPDFLoader(f"{tmp_file}", extract_images=False)
pdf_entries_per_file = [page.page_content for page in loader.load()]
except ImportError:
loader = PyMuPDFLoader(f"{tmp_file}")
pdf_entries_per_file = [
page.page_content for page in loader.load()
] # page_content items list for a given pdf.
entry_to_location_map += zip(
pdf_entries_per_file, [pdf_file] * len(pdf_entries_per_file)
) # this is an indexed map of pdf_entries for the pdf.
entries.extend(pdf_entries_per_file)
file_to_text_map[pdf_file] = pdf_entries_per_file
except Exception as e:
logger.warning(f"Unable to process file: {pdf_file}. This file will not be indexed.")
logger.warning(e, exc_info=True)
finally:
if os.path.exists(f"{tmp_file}"):
os.remove(f"{tmp_file}")
pdf_entries_per_file = PdfToEntries.extract_text(pdf_file)
entries.extend(pdf_entries_per_file)
file_to_text_map[pdf_file] = pdf_entries_per_file
return file_to_text_map, PdfToEntries.convert_pdf_entries_to_maps(entries, dict(entry_to_location_map))
@ -109,3 +86,30 @@ class PdfToEntries(TextToEntries):
logger.debug(f"Converted {len(parsed_entries)} PDF entries to dictionaries")
return entries
@staticmethod
def extract_text(pdf_file):
"""Extract text from specified PDF files"""
try:
# Write the PDF file to a temporary file, as it is stored in byte format in the pdf_file object and the PDF Loader expects a file path
timestamp_now = datetime.utcnow().timestamp()
tmp_file = f"tmp_pdf_file_{timestamp_now}.pdf"
pdf_entry_by_pages = []
with open(f"{tmp_file}", "wb") as f:
f.write(pdf_file)
try:
loader = PyMuPDFLoader(f"{tmp_file}", extract_images=False)
pdf_entry_by_pages = [page.page_content for page in loader.load()]
except ImportError:
loader = PyMuPDFLoader(f"{tmp_file}")
pdf_entry_by_pages = [
page.page_content for page in loader.load()
] # page_content items list for a given pdf.
except Exception as e:
logger.warning(f"Unable to process file: {pdf_file}. This file will not be indexed.")
logger.warning(e, exc_info=True)
finally:
if os.path.exists(f"{tmp_file}"):
os.remove(f"{tmp_file}")
return pdf_entry_by_pages