Spaces:
Sleeping
Sleeping
File size: 1,243 Bytes
f745baf |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 |
import base64
import io
import pdf2image
from typing import Any
class Preprocessor:
"""Preprocessor."""
def run(self, file_path: str) -> Any:
"""Preprocess."""
raise NotImplementedError("Preprocess method is not implemented")
# Convert PDF to image
class PdfPreprocessor(Preprocessor):
"""PDF Preprocessor."""
def run(self, file_path: str) -> str:
images = pdf2image.convert_from_path(file_path)
image = images[0] # Assuming there is only one page in the PDF
# Convert image to base64
with io.BytesIO() as buffer:
image.save(buffer, format="JPEG")
image_content = buffer.getvalue()
file_content = base64.b64encode(image_content).decode("utf-8")
# Process all pages and return a list of images
images = pdf2image.convert_from_path(file_path)
image_list = []
for image in images:
# Convert image to base64
with io.BytesIO() as buffer:
image.save(buffer, format="JPEG")
image_content = buffer.getvalue()
file_content = base64.b64encode(image_content).decode("utf-8")
image_list.append(file_content)
return image_list
|