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#185 - add support for image, bypass pdf2img conversion if the input … #189

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33 changes: 24 additions & 9 deletions py_zerox/pyzerox/core/zerox.py
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Original file line number Diff line number Diff line change
Expand Up @@ -125,15 +125,30 @@ async def zerox(
# Truncate file name to 255 characters to prevent ENAMETOOLONG errors
file_name = file_name[:255]

# create a subset pdf in temp dir with only the requested pages if select_pages is provided
if select_pages is not None:
subset_pdf_create_kwargs = {"original_pdf_path":local_path, "select_pages":select_pages,
"save_directory":temp_directory, "suffix":"_selected_pages"}
local_path = await asyncio.to_thread(create_selected_pages_pdf,
**subset_pdf_create_kwargs)

# Convert the file to a series of images, below function returns a list of image paths in page order
images = await convert_pdf_to_images(image_density=image_density, image_height=image_height, local_path=local_path, temp_dir=temp_directory)
# Check if the input is already an image file
file_extension = os.path.splitext(local_path)[1].lower()
image_extensions = {'.png', '.jpg', '.jpeg', '.gif', '.bmp', '.tiff', '.webp'}

if file_extension in image_extensions:
# Input is an image - use it directly, no PDF conversion needed
if select_pages is not None:
# For images, select_pages doesn't apply - warn the user
import warnings
warnings.warn("select_pages parameter is ignored for image files - processing the entire image")

images = [local_path]
else:
# Input is likely a PDF or other document - proceed with normal processing

# create a subset pdf in temp dir with only the requested pages if select_pages is provided
if select_pages is not None:
subset_pdf_create_kwargs = {"original_pdf_path":local_path, "select_pages":select_pages,
"save_directory":temp_directory, "suffix":"_selected_pages"}
local_path = await asyncio.to_thread(create_selected_pages_pdf,
**subset_pdf_create_kwargs)

# Convert the file to a series of images, below function returns a list of image paths in page order
images = await convert_pdf_to_images(image_density=image_density, image_height=image_height, local_path=local_path, temp_dir=temp_directory)

if maintain_format:
for image in images:
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