Spaces:
Running
Running
import gradio as gr | |
from pptx import Presentation | |
from pptx.util import Pt, Inches | |
from pptx.shapes.group import GroupShape | |
from pptx.dml.color import RGBColor | |
from pptx.enum.text import PP_ALIGN | |
from pptx.shapes.picture import Picture | |
import json | |
import os | |
from PIL import Image | |
import io | |
from pptx2png import pptx_to_images, render_images_with_skia | |
def print_json(item): | |
item_json = json.dumps(item, ensure_ascii=False, indent=4) | |
return item_json | |
def transfer_textbox_content_in_group(group_shape): | |
"""Edit the content of text boxes within a group shape.""" | |
group_shape_item = {} | |
for l, shape in enumerate(group_shape.shapes): | |
shape_item = {} | |
if shape.has_text_frame: | |
shape_item['type'] = "text" | |
shape_item['location'] = (shape.left, shape.top) | |
text_frame = shape.text_frame | |
for r, paragraph in enumerate(text_frame.paragraphs): | |
original_run = paragraph.runs[0] | |
paragraph_item = {} | |
paragraph_item['text'] = paragraph.text | |
paragraph_item['align'] = paragraph.alignment | |
font_item = {} | |
font_item['name'] = original_run.font.name | |
font_item['bold'] = original_run.font.bold | |
font_item['italic'] = original_run.font.italic | |
font_item['underline'] = original_run.font.underline | |
font_item['color'] = original_run.font.color.rgb | |
font_item['language_id'] = original_run.font.language_id | |
paragraph_item['font'] = font_item | |
shape_item[f'paragraph_{r}'] = paragraph_item | |
group_shape_item[f"shape_{l}"] = shape_item | |
return group_shape_item | |
def transfer_to_structure(pptx_file, images_dir_path): | |
item = {} | |
prs = Presentation(pptx_file) | |
image_path_list = [] | |
# Iterate through each slide in the presentation | |
for i, slide in enumerate(prs.slides): | |
# Iterate through each shape in the slide | |
slide_item = {} | |
for j, shape in enumerate(slide.shapes): | |
# If the shape is a group, process its shapes | |
shape_item = {} | |
if shape.has_text_frame: | |
text_frame = shape.text_frame | |
for paragraph in text_frame.paragraphs: | |
# Clear the existing text but keep the paragraph | |
paragraph.clear() | |
# Add a new run with the new content and copy font style | |
run = paragraph.add_run() | |
run.text = new_content | |
if paragraph.runs: | |
original_run = paragraph.runs[0] | |
copy_font_style(original_run, run) | |
elif isinstance(shape, GroupShape): | |
shape_item['type'] = "group" | |
group_shape_item = transfer_textbox_content_in_group(shape) | |
shape_item['group_content'] = group_shape_item | |
pass | |
elif isinstance(shape, Picture): | |
shape_item['type'] = "picture" | |
image_path = os.path.join(images_dir_path, f"picture_{j}.png") | |
image_path_list.append(image_path) | |
shape_item['image_path'] = image_path | |
shape_item['size'] = shape.image.size # width, height | |
shape_item['dpi'] = shape.image.dpi # (horz_dpi, vert_dpi) | |
shape_item['location'] = (shape.left, shape.top) | |
shape_item['location_inches'] = (Inches(shape.left).inches, Inches(shape.top).inches) | |
image_stream = io.BytesIO(shape.image.blob) | |
shape_image = Image.open(image_stream) | |
shape_image.save(image_path) | |
pass | |
slide_item[f"shape_{j}"] = shape_item | |
item[f"slide_{i}"] = slide_item | |
return print_json(item), image_path_list | |
def copy_font_style(original_run, new_run): | |
new_run.font.name = original_run.font.name | |
new_run.font.bold = original_run.font.bold | |
new_run.font.italic = original_run.font.italic | |
new_run.font.underline = original_run.font.underline | |
new_run.font.color.rgb = original_run.font.color.rgb | |
new_run.font.language_id = original_run.font.language_id | |
def process_pptx(pptx_file): | |
images_dir_path = "images" | |
output_dir = "rendered_png" # Directory to save the rendered images | |
if not os.path.exists(images_dir_path): | |
os.makedirs(images_dir_path) | |
if not os.path.exists(output_dir): | |
os.makedirs(output_dir) | |
json_output, image_paths = transfer_to_structure(pptx_file, images_dir_path) | |
images, slide_dimensions = pptx_to_images(pptx_file) | |
rendered_image_path = render_images_with_skia(images, slide_dimensions, output_dir) | |
print(image_paths, rendered_image_path) | |
return json_output, image_paths, rendered_image_path | |
# Gradio interface | |
iface = gr.Interface( | |
fn=process_pptx, | |
inputs=gr.File(label="Upload PowerPoint File"), | |
outputs=[gr.Textbox(label="JSON Output"), gr.Gallery(label="Extracted Images"), gr.Image(type="filepath", label="PPT Preview")], | |
title="PowerPoint to JSON Converter", | |
description="Upload a PowerPoint file to convert its structure to JSON and display extracted images." | |
) | |
iface.launch() |