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from flask import Flask, request, render_template, send_file, url_for, redirect, jsonify
from PIL import Image, ImageDraw, ImageFont, ImageEnhance
import io
import os
import zipfile
import base64
# Enable detailed logging for debugging
import logging
logging.basicConfig(level=logging.DEBUG)
app = Flask(__name__)
app.config['DEBUG'] = True # This enables debug mode for Flask
# Configure upload folders with absolute paths in /tmp
UPLOAD_FOLDER = '/tmp/watermarked_images'
THUMBNAIL_FOLDER = '/tmp/thumbnails'
# Ensure directories exist with proper permissions
os.makedirs(UPLOAD_FOLDER, mode=0o777, exist_ok=True)
os.makedirs(THUMBNAIL_FOLDER, mode=0o777, exist_ok=True)
# Add zip to Jinja2 globals
app.jinja_env.globals.update(zip=zip)
def get_watermark_position(img_width, img_height, wm_width, wm_height, position):
if position == "top-left":
return 10, 10
elif position == "top-right":
return img_width - wm_width - 10, 10
elif position == "center":
return (img_width - wm_width) // 2, (img_height - wm_height) // 2
elif position == "bottom-left":
return 10, img_height - wm_height - 10
elif position == "bottom-right":
return img_width - wm_width - 10, img_height - wm_height - 10
else:
return img_width - wm_width - 10, img_height - wm_height - 10
def add_watermark(image, watermark_text=None, watermark_image=None, text_position="bottom-right",
image_position="bottom-right", text_transparency=100, image_transparency=100,
text_size=1.0, image_size=1.0):
with Image.open(image).convert("RGBA") as img:
drawing = ImageDraw.Draw(img)
width, height = img.size
if watermark_text:
font_size = max(10, int(min(width, height) * 0.05 * text_size))
try:
# Try multiple font paths
font_paths = [
os.path.join(BASE_DIR, 'fonts', 'LiberationSans-Regular.ttf'),
"/usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf",
"/usr/share/fonts/liberation/LiberationSans-Regular.ttf"
]
font = None
for path in font_paths:
if os.path.exists(path):
font = ImageFont.truetype(path, font_size)
break
if font is None:
font = ImageFont.load_default()
except Exception:
font = ImageFont.load_default()
print("Using default font")
text = watermark_text
textbbox = drawing.textbbox((0, 0), text, font=font)
textwidth = textbbox[2] - textbbox[0]
textheight = textbbox[3] - textbbox[1]
x, y = get_watermark_position(width, height, textwidth, textheight, text_position)
text_overlay = Image.new('RGBA', img.size, (255, 255, 255, 0))
text_drawing = ImageDraw.Draw(text_overlay)
text_drawing.text((x, y), text, font=font, fill=(255, 255, 255, int(255 * text_transparency / 100)))
img = Image.alpha_composite(img, text_overlay)
if watermark_image:
wm_width = max(50, int(min(width, height) * 0.1 * image_size))
wm_height = max(50, int(min(width, height) * 0.1 * image_size))
with Image.open(watermark_image).convert("RGBA") as wm_img:
wm_img = wm_img.resize((wm_width, wm_height))
if image_transparency < 100:
alpha = wm_img.split()[3]
alpha = ImageEnhance.Brightness(alpha).enhance(image_transparency / 100)
wm_img.putalpha(alpha)
x, y = get_watermark_position(width, height, wm_width, wm_height, image_position)
img.alpha_composite(wm_img, (x, y))
watermarked_image = io.BytesIO()
img.save(watermarked_image, format='PNG')
watermarked_image.seek(0)
return watermarked_image
def create_thumbnail(image_path, thumbnail_path, size=(150, 150)):
with Image.open(image_path) as img:
img.thumbnail(size)
if img.mode == 'RGBA':
img = img.convert('RGB')
img.save(thumbnail_path)
@app.route('/')
def index():
return render_template('index.html')
@app.route('/preview', methods=['POST'])
def preview():
files = request.files.getlist('files')
if not files or not files[0].filename:
return jsonify({'error': 'No file uploaded'}), 400
watermark_text = request.form.get('watermark_text')
watermark_image = request.files.get('watermark_image')
text_position = request.form.get('text_position', 'bottom-right')
image_position = request.form.get('image_position', 'bottom-right')
text_transparency = int(request.form.get('text_transparency', 100))
image_transparency = int(request.form.get('image_transparency', 100))
text_size = float(request.form.get('text_size', 1.0))
image_size = float(request.form.get('image_size', 1.0))
preview_urls = []
for file in files:
watermarked_image = add_watermark(file, watermark_text, watermark_image,
text_position, image_position,
text_transparency, image_transparency,
text_size, image_size)
# Convert the image to base64 for preview
img_base64 = base64.b64encode(watermarked_image.getvalue()).decode('utf-8')
preview_url = f"data:image/png;base64,{img_base64}"
preview_urls.append(preview_url)
return jsonify({'preview_urls': preview_urls})
@app.route('/upload', methods=['POST'])
def upload():
files = request.files.getlist('files')
watermark_text = request.form.get('watermark_text')
watermark_image = request.files.get('watermark_image')
text_position = request.form.get('text_position', 'bottom-right')
image_position = request.form.get('image_position', 'bottom-right')
text_transparency = int(request.form.get('text_transparency', 100))
image_transparency = int(request.form.get('image_transparency', 100))
text_size = float(request.form.get('text_size', 1.0))
image_size = float(request.form.get('image_size', 1.0))
watermarked_file_urls = []
thumbnail_urls = []
watermarked_file_paths = []
if not files or not files[0].filename:
return "No files uploaded", 400
for file in files:
watermarked_file = add_watermark(file, watermark_text, watermark_image,
text_position, image_position,
text_transparency, image_transparency,
text_size, image_size)
filename = f"watermarked_{file.filename}"
filepath = os.path.join(UPLOAD_FOLDER, filename)
with open(filepath, 'wb') as f:
f.write(watermarked_file.getbuffer())
watermarked_file_urls.append(url_for('serve_watermarked', filename=filename))
watermarked_file_paths.append(filepath)
thumbnail_path = os.path.join(THUMBNAIL_FOLDER, filename)
create_thumbnail(filepath, thumbnail_path)
thumbnail_urls.append(url_for('serve_thumbnail', filename=filename))
zip_filename = "watermarked_images.zip"
zip_filepath = os.path.join(UPLOAD_FOLDER, zip_filename)
with zipfile.ZipFile(zip_filepath, 'w') as zipf:
for file_path in watermarked_file_paths:
zipf.write(file_path, os.path.basename(file_path))
zip_url = url_for('download_file', filename=zip_filename)
return render_template('results.html', thumbnail_urls=thumbnail_urls,
watermarked_file_urls=watermarked_file_urls, zip_url=zip_url)
@app.route('/watermarked/<filename>')
def serve_watermarked(filename):
return send_file(os.path.join(UPLOAD_FOLDER, filename))
@app.route('/thumbnail/<filename>')
def serve_thumbnail(filename):
return send_file(os.path.join(THUMBNAIL_FOLDER, filename))
@app.route('/download/<filename>')
def download_file(filename):
return send_file(os.path.join(UPLOAD_FOLDER, filename),
as_attachment=True)
if __name__ == '__main__':
# Use the port that Hugging Face Spaces expects
port = int(os.environ.get('PORT', 7860))
app.run(host='0.0.0.0', port=port) |