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Running
on
CPU Upgrade
File size: 18,783 Bytes
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import os
import gradio as gr
import shutil
import uuid
from pathlib import Path
import json
import logging
import traceback
from PIL import Image
import fitz # PyMuPDF for PDF handling
# ββββββββββββββββββββββββββββββββ
# Logging μ€μ
# ββββββββββββββββββββββββββββββββ
logging.basicConfig(
level=logging.INFO,
format="%(asctime)s [%(levelname)s] %(message)s",
filename="app.log", # μ€ν λλ ν°λ¦¬μ app.log νμΌ μ μ₯
filemode="a",
)
logging.info("π Flipbook app started")
# Constants
TEMP_DIR = "temp"
UPLOAD_DIR = os.path.join(TEMP_DIR, "uploads")
OUTPUT_DIR = os.path.join(TEMP_DIR, "output")
THUMBS_DIR = os.path.join(OUTPUT_DIR, "thumbs")
HTML_DIR = os.path.join("public", "flipbooks") # Directory accessible via web
# Ensure directories exist
for dir_path in [TEMP_DIR, UPLOAD_DIR, OUTPUT_DIR, THUMBS_DIR, HTML_DIR]:
os.makedirs(dir_path, exist_ok=True)
def create_thumbnail(image_path, output_path, size=(300, 300)):
"""Create a thumbnail from an image."""
try:
with Image.open(image_path) as img:
img.thumbnail(size, Image.LANCZOS)
img.save(output_path)
return output_path
except Exception as e:
logging.error("Error creating thumbnail: %s", e)
return None
def process_pdf(pdf_path, session_id):
"""Extract pages from a PDF and save as images with thumbnails."""
pages_info = []
output_folder = os.path.join(OUTPUT_DIR, session_id)
thumbs_folder = os.path.join(THUMBS_DIR, session_id)
os.makedirs(output_folder, exist_ok=True)
os.makedirs(thumbs_folder, exist_ok=True)
try:
pdf_document = fitz.open(pdf_path)
for page_num, page in enumerate(pdf_document):
pix = page.get_pixmap(matrix=fitz.Matrix(2, 2))
image_path = os.path.join(output_folder, f"page_{page_num + 1}.png")
pix.save(image_path)
thumb_path = os.path.join(thumbs_folder, f"thumb_{page_num + 1}.png")
create_thumbnail(image_path, thumb_path)
html_content = """
<div style="position: absolute; top: 50px; left: 50px; background-color: rgba(255,255,255,0.7); padding: 10px; border-radius: 5px;">
<div style="color: #333; font-size: 18px; font-weight: bold;">μΈν°λν°λΈ νλ¦½λΆ μμ </div>
<div style="color: #666; margin-top: 5px;">μ΄ νμ΄μ§λ μΈν°λν°λΈ 컨ν
μΈ κΈ°λ₯μ 보μ¬μ€λλ€.</div>
</div>
""" if page_num == 0 else None
pages_info.append({
"src": f"./temp/output/{session_id}/page_{page_num + 1}.png",
"thumb": f"./temp/output/thumbs/{session_id}/thumb_{page_num + 1}.png",
"title": f"νμ΄μ§ {page_num + 1}",
"htmlContent": html_content,
})
logging.info("Processed PDF page %d: %s", page_num + 1, image_path)
return pages_info
except Exception as e:
logging.error("Error processing PDF: %s", e)
return []
def process_images(image_paths, session_id):
"""Process uploaded images and create thumbnails."""
pages_info = []
output_folder = os.path.join(OUTPUT_DIR, session_id)
thumbs_folder = os.path.join(THUMBS_DIR, session_id)
os.makedirs(output_folder, exist_ok=True)
os.makedirs(thumbs_folder, exist_ok=True)
for i, img_path in enumerate(image_paths):
try:
dest_path = os.path.join(output_folder, f"image_{i + 1}.png")
shutil.copy(img_path, dest_path)
thumb_path = os.path.join(thumbs_folder, f"thumb_{i + 1}.png")
create_thumbnail(img_path, thumb_path)
if i == 0:
html_content = """
<div style=\"position: absolute; top: 50px; left: 50px; background-color: rgba(255,255,255,0.7); padding: 10px; border-radius: 5px;\">
<div style=\"color: #333; font-size: 18px; font-weight: bold;\">μ΄λ―Έμ§ κ°€λ¬λ¦¬</div>
<div style=\"color: #666; margin-top: 5px;\">κ°€λ¬λ¦¬μ 첫 λ²μ§Έ μ΄λ―Έμ§μ
λλ€.</div>
</div>
"""
elif i == 1:
html_content = """
<div style=\"position: absolute; top: 50px; left: 50px; background-color: rgba(255,255,255,0.7); padding: 10px; border-radius: 5px;\">
<div style=\"color: #333; font-size: 18px; font-weight: bold;\">λ λ²μ§Έ μ΄λ―Έμ§</div>
<div style=\"color: #666; margin-top: 5px;\">νμ΄μ§λ₯Ό λκΈ°κ±°λ λͺ¨μ리λ₯Ό λλκ·Ένμ¬ μ΄λ―Έμ§λ₯Ό νμν μ μμ΅λλ€.</div>
</div>
"""
else:
html_content = None
pages_info.append({
"src": f"./temp/output/{session_id}/image_{i + 1}.png",
"thumb": f"./temp/output/thumbs/{session_id}/thumb_{i + 1}.png",
"title": f"μ΄λ―Έμ§ {i + 1}",
"htmlContent": html_content,
})
logging.info("Processed image %d: %s", i + 1, dest_path)
except Exception as e:
logging.error("Error processing image %s: %s", img_path, e)
return pages_info
def create_flipbook_from_pdf(pdf_file, view_mode="2d", skin="light"):
"""Create a flipbook from an uploaded PDF."""
session_id = str(uuid.uuid4())
debug_info = []
if not pdf_file:
return (
"<div style='color:red;padding:20px;'>PDF νμΌμ μ
λ‘λν΄μ£ΌμΈμ.</div>",
"No file uploaded",
)
try:
pdf_path = pdf_file.name
debug_info.append(f"PDF path: {pdf_path}")
# 1) PDF β μ΄λ―Έμ§
pages_info = process_pdf(pdf_path, session_id)
debug_info.append(f"Number of pages: {len(pages_info)}")
if not pages_info:
raise RuntimeError("PDF μ²λ¦¬ κ²°κ³Όκ° λΉμ΄ μμ΅λλ€.")
# 2) HTML μμ±
iframe_html = generate_flipbook_html(pages_info, session_id, view_mode, skin)
return iframe_html, "\n".join(debug_info)
except Exception as e:
tb = traceback.format_exc()
logging.error(tb)
debug_info.append("β ERROR βββ")
debug_info.append(tb)
return (
f"<div style='color:red;padding:20px;'>μ€λ₯κ° λ°μνμ΅λλ€: {e}</div>",
"\n".join(debug_info),
)
def create_flipbook_from_images(images, view_mode="2d", skin="light"):
"""Create a flipbook from uploaded images."""
session_id = str(uuid.uuid4())
debug_info = []
if not images:
return (
"<div style='color:red;padding:20px;'>μ΅μ ν κ° μ΄μμ μ΄λ―Έμ§λ₯Ό μ
λ‘λν΄μ£ΌμΈμ.</div>",
"No images uploaded",
)
try:
image_paths = [img.name for img in images]
debug_info.append(f"Image paths: {image_paths}")
pages_info = process_images(image_paths, session_id)
debug_info.append(f"Number of images processed: {len(pages_info)}")
if not pages_info:
raise RuntimeError("μ΄λ―Έμ§ μ²λ¦¬ κ²°κ³Όκ° λΉμ΄ μμ΅λλ€.")
iframe_html = generate_flipbook_html(pages_info, session_id, view_mode, skin)
return iframe_html, "\n".join(debug_info)
except Exception as e:
tb = traceback.format_exc()
logging.error(tb)
debug_info.append("β ERROR βββ")
debug_info.append(tb)
return (
f"<div style='color:red;padding:20px;'>μ€λ₯κ° λ°μνμ΅λλ€: {e}</div>",
"\n".join(debug_info),
)
def generate_flipbook_html(pages_info, session_id, view_mode, skin):
"""Generate a standalone HTML file for the flipbook and return link HTML."""
for page in pages_info:
if page.get("htmlContent") is None:
page.pop("htmlContent", None)
if page.get("items") is None:
page.pop("items", None)
pages_json = json.dumps(pages_info)
html_filename = f"flipbook_{session_id}.html"
html_path = os.path.join(HTML_DIR, html_filename)
html_content = f"""
<!DOCTYPE html>
<html lang=\"ko\">
<head>
<meta charset=\"UTF-8\">
<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">
<title>3D ν립λΆ</title>
<link rel=\"stylesheet\" type=\"text/css\" href=\"../flipbook.css\">
<style>
body, html {{ margin: 0; padding: 0; height: 100%; overflow: hidden; }}
#flipbook-container {{ width: 100%; height: 100%; position: absolute; top: 0; left: 0; }}
.loading {{ position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; font-family: Arial, sans-serif; }}
.loading .spinner {{ width: 50px; height: 50px; border: 5px solid #f3f3f3; border-top: 5px solid #3498db; border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 20px; }}
@keyframes spin {{ 0% {{ transform: rotate(0deg); }} 100% {{ transform: rotate(360deg); }} }}
</style>
<script src=\"../flipbook.js\"></script>
<script src=\"../flipbook.webgl.js\"></script>
<script src=\"../flipbook.swipe.js\"></script>
<script src=\"../flipbook.scroll.js\"></script>
<script src=\"../flipbook.book3.js\"></script>
</head>
<body>
<div id=\"flipbook-container\"></div>
<div id=\"loading\" class=\"loading\">
<div class=\"spinner\"></div>
<div>νλ¦½λΆ λ‘λ© μ€...</div>
</div>
<script>
document.addEventListener('DOMContentLoaded', function () {{
function hideLoading() {{ document.getElementById('loading').style.display = 'none'; }}
try {{
const options = {{
pages: {pages_json},
viewMode: '{view_mode}',
skin: '{skin}',
responsiveView: true,
singlePageMode: false,
singlePageModeIfMobile: true,
pageFlipDuration: 1,
sound: true,
backgroundMusic: false,
thumbnailsOnStart: true,
btnThumbs: {{ enabled: true }},
btnPrint: {{ enabled: true }},
btnDownloadPages: {{ enabled: true }},
btnDownloadPdf: {{ enabled: true }},
btnShare: {{ enabled: true }},
btnSound: {{ enabled: true }},
btnExpand: {{ enabled: true }},
rightToLeft: false,
autoplayOnStart: false,
autoplayInterval: 3000,
}};
const container = document.getElementById('flipbook-container');
if (container) {{
new FlipBook(container, options);
setTimeout(hideLoading, 1000);
}} else {{
console.error('Flipbook container not found');
alert('μ€λ₯: νλ¦½λΆ μ»¨ν
μ΄λλ₯Ό μ°Ύμ μ μμ΅λλ€.');
}}
}} catch (error) {{
console.error('Error initializing flipbook:', error);
alert('νλ¦½λΆ μ΄κΈ°ν μ€ μ€λ₯κ° λ°μνμ΅λλ€: ' + error.message);
document.getElementById('loading').innerHTML = '<div>μ€λ₯κ° λ°μνμ΅λλ€.</div>';
}}
}});
</script>
</body>
</html>
"""
with open(html_path, "w", encoding="utf-8") as f:
f.write(html_content)
public_url = f"/public/flipbooks/{html_filename}"
link_html = f"""
<div style=\"text-align:center; padding:20px; background-color:#f9f9f9; border-radius:5px; margin-bottom:20px;\">
<h2 style=\"margin-top:0; color:#333;\">ν립λΆμ΄ μ€λΉλμμ΅λλ€!</h2>
<p style=\"margin-bottom:20px;\">μλ λ²νΌμ ν΄λ¦νμ¬ ν립λΆμ μ μ°½μμ μ΄μ΄λ³΄μΈμ.</p>
<a href=\"{public_url}\" target=\"_blank\" style=\"display:inline-block; background-color:#4CAF50; color:white; padding
<div style="text-align:center; padding:20px; background-color:#f9f9f9; border-radius:5px; margin-bottom:20px;">
<h2 style="margin-top:0; color:#333;">ν립λΆμ΄ μ€λΉλμμ΅λλ€!</h2>
<p style="margin-bottom:20px;">μλ λ²νΌμ ν΄λ¦νμ¬ ν립λΆμ μ μ°½μμ μ΄μ΄λ³΄μΈμ.</p>
<a href="{public_url}" target="_blank" style="display:inline-block; background-color:#4CAF50; color:white; padding:12px 24px; text-decoration:none; border-radius:4px; font-weight:bold; font-size:16px;">νλ¦½λΆ μ΄κΈ°</a>
</div>
<div style="margin-top:20px; padding:15px; background-color:#f5f5f5; border-radius:5px; line-height:1.5;">
<h3 style="margin-top:0; color:#333;">μ¬μ© ν:</h3>
<ul style="margin:10px 0; padding-left:20px;">
<li>νμ΄μ§ λͺ¨μ리λ₯Ό λλκ·Ένμ¬ λκΈΈ μ μμ΅λλ€.</li>
<li>νλ¨ ν΄λ°μ μμ΄μ½μ μ¬μ©νμ¬ λ€μν κΈ°λ₯μ νμ©νμΈμ.</li>
<li>μ 체νλ©΄ λ²νΌμ ν΄λ¦νμ¬ λ ν° νλ©΄μΌλ‘ λ³Ό μ μμ΅λλ€.</li>
</ul>
<div style="margin-top:10px; padding:10px; background-color:#e8f4fd; border-left:4px solid #2196F3; border-radius:2px;">
<strong>μ°Έκ³ :</strong> ν립λΆμ 2D λͺ¨λμμ κ°μ₯ μμ μ μΌλ‘ μλν©λλ€.
</div>
</div>
<div style="margin-top:15px; background-color:#f5f5f5; border-radius:5px; padding:10px;">
<details>
<summary style="cursor:pointer; color:#2196F3; font-weight:bold;">κΈ°μ μ μΈλΆμ¬ν (κ°λ°μμ©)</summary>
<div style="margin-top:10px;">
<p>μΈμ
ID: {session_id}</p>
<p>HTML νμΌ κ²½λ‘: {html_path}</p>
<p>νμ΄μ§ μ: {len(pages_info)}</p>
<p>λ·° λͺ¨λ: {view_mode}</p>
<p>μ€ν¨: {skin}</p>
</div>
</details>
</div>
"""
return link_html
# Define the Gradio interface
with gr.Blocks(title="3D Flipbook Viewer") as demo:
gr.Markdown("# 3D Flipbook Viewer")
gr.Markdown("""
## 3D νλ¦½λΆ λ·°μ΄
PDF νμΌμ΄λ μ¬λ¬ μ΄λ―Έμ§λ₯Ό μ
λ‘λνμ¬ μΈν°λν°λΈ 3D ν립λΆμ λ§λ€ μ μμ΅λλ€.
### νΉμ§:
- νμ΄μ§ λκΉ ν¨κ³Όμ ν¨κ» μΈν°λν°λΈν κΈ°λ₯ μ 곡
- 첫 νμ΄μ§μλ μμλ‘ μΈν°λν°λΈ μμκ° ν¬ν¨λ¨
- ν΄λ°λ₯Ό μ¬μ©νκ±°λ νμ΄μ§ λͺ¨μ리λ₯Ό λλκ·Ένμ¬ νμ
- μΈλ€μΌ λ³΄κΈ°λ‘ λΉ λ₯Έ νμ κ°λ₯
- μ 체 νλ©΄μΌλ‘ μ ννμ¬ λ λμ 보기 κ²½ν
""")
with gr.Tabs():
with gr.TabItem("PDF μ
λ‘λ"):
pdf_file = gr.File(label="PDF νμΌ μ
λ‘λ", file_types=[".pdf"])
with gr.Accordion("κ³ κΈ μ€μ ", open=False):
pdf_view_mode = gr.Radio(
choices=["webgl", "3d", "2d", "swipe"],
value="2d", # Changed default to 2d for better compatibility
label="λ·° λͺ¨λ",
info="WebGL: μ΅κ³ νμ§, 2D: κ°μ₯ μμ μ , 3D: μ€κ°, Swipe: λͺ¨λ°μΌμ©"
)
pdf_skin = gr.Radio(
choices=["light", "dark", "gradient"],
value="light",
label="μ€ν¨",
info="light: λ°μ ν
λ§, dark: μ΄λμ΄ ν
λ§, gradient: κ·ΈλΌλ°μ΄μ
ν
λ§"
)
pdf_create_btn = gr.Button("PDFμμ νλ¦½λΆ λ§λ€κΈ°", variant="primary", size="lg")
pdf_debug = gr.Textbox(label="λλ²κ·Έ μ 보", visible=False)
pdf_output = gr.HTML(label="νλ¦½λΆ κ²°κ³Όλ¬Ό")
# Set up PDF event handler
pdf_create_btn.click(
fn=create_flipbook_from_pdf,
inputs=[pdf_file, pdf_view_mode, pdf_skin],
outputs=[pdf_output, pdf_debug]
)
with gr.TabItem("μ΄λ―Έμ§ μ
λ‘λ"):
images = gr.File(label="μ΄λ―Έμ§ νμΌ μ
λ‘λ", file_types=["image"], file_count="multiple")
with gr.Accordion("κ³ κΈ μ€μ ", open=False):
img_view_mode = gr.Radio(
choices=["webgl", "3d", "2d", "swipe"],
value="2d", # Changed default to 2d for better compatibility
label="λ·° λͺ¨λ",
info="WebGL: μ΅κ³ νμ§, 2D: κ°μ₯ μμ μ , 3D: μ€κ°, Swipe: λͺ¨λ°μΌμ©"
)
img_skin = gr.Radio(
choices=["light", "dark", "gradient"],
value="light",
label="μ€ν¨",
info="light: λ°μ ν
λ§, dark: μ΄λμ΄ ν
λ§, gradient: κ·ΈλΌλ°μ΄μ
ν
λ§"
)
img_create_btn = gr.Button("μ΄λ―Έμ§μμ νλ¦½λΆ λ§λ€κΈ°", variant="primary", size="lg")
img_debug = gr.Textbox(label="λλ²κ·Έ μ 보", visible=False)
img_output = gr.HTML(label="νλ¦½λΆ κ²°κ³Όλ¬Ό")
# Set up image event handler
img_create_btn.click(
fn=create_flipbook_from_images,
inputs=[images, img_view_mode, img_skin],
outputs=[img_output, img_debug]
)
gr.Markdown("""
### μ¬μ©λ²:
1. 컨ν
μΈ μ νμ λ°λΌ νμ μ ννμΈμ (PDF λλ μ΄λ―Έμ§)
2. νμΌμ μ
λ‘λνμΈμ
3. νμμ λ°λΌ κ³ κΈ μ€μ μμ λ·° λͺ¨λμ μ€ν¨μ μ‘°μ νμΈμ
4. νλ¦½λΆ λ§λ€κΈ° λ²νΌμ ν΄λ¦νμΈμ
5. μΆλ ₯ μμμμ ν립λΆκ³Ό μνΈμμ©νμΈμ
### μ°Έκ³ :
- μ²μ νμ΄μ§μλ μμλ‘ μΈν°λν°λΈ μμμ λ§ν¬κ° ν¬ν¨λμ΄ μμ΅λλ€
- μ΅μμ κ²°κ³Όλ₯Ό μν΄ μ λͺ
ν ν
μ€νΈμ μ΄λ―Έμ§κ° μλ PDFλ₯Ό μ¬μ©νμΈμ
- μ§μλλ μ΄λ―Έμ§ νμ: JPG, PNG, GIF λ±
- ν립λΆμ΄ 보μ΄μ§ μλ κ²½μ°, 2D λͺ¨λλ₯Ό μ ννκ³ λ€μ μλν΄λ³΄μΈμ
""")
# Launch the app
if __name__ == "__main__":
demo.launch() # Remove share=True as it's not supported in Spaces |