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import gradio as gr
import subprocess
import os
import shutil
import zipfile
def setup_avif_decode():
# Install Rust and Cargo
if not os.path.exists(os.path.expanduser("~/.cargo/bin/cargo")):
subprocess.run("apt-get update && apt-get install -y yasm", shell=True, check=True)
subprocess.run("curl https://sh.rustup.rs -sSf | sh -s -- -y", shell=True, check=True)
os.environ['PATH'] += os.pathsep + os.path.expanduser("~/.cargo/bin")
if not os.path.exists("avif-decode"):
subprocess.run("git clone https://github.com/kornelski/avif-decode.git", shell=True, check=True)
subprocess.run("cd avif-decode && cargo build --release", shell=True, check=True)
setup_avif_decode()
def convert_avif_to_png(avif_files):
output_paths = []
for avif_file in avif_files:
avif_path = avif_file.name
png_path = avif_path.rsplit('.', 1)[0] + '.png'
result = subprocess.run(["avif-decode/target/release/avif_decode", "-f", avif_path, png_path], capture_output=True, text=True)
if result.returncode == 0:
output_paths.append(png_path)
else:
output_paths.append(f"Error converting {avif_file.name}: {result.stderr}")
return output_paths
def zip_files(file_paths):
zip_path = "/tmp/converted_avif.zip"
with zipfile.ZipFile(zip_path, 'w') as zipf:
for file_path in file_paths:
if os.path.isfile(file_path):
zipf.write(file_path, os.path.basename(file_path))
return zip_path
css = """
#col-container {
margin: 0 auto;
max-width: 520px;
}
"""
with gr.Blocks(css=css) as demo:
with gr.Column(elem_id="col-container"):
gr.Markdown("""
# AVIF to PNG Converter
Upload your AVIF files and get them converted to PNG.
""")
with gr.Row():
avif_file = gr.File(
label="Upload AVIF File",
file_types=[".avif"],
file_count="multiple"
)
run_button = gr.Button("Convert", scale=0)
result = gr.Gallery(label="Result")
download_button = gr.Button("Download All as ZIP")
error_modal = gr.Modal("No files to download. Please upload and convert AVIF files first.")
converted_files = []
def handle_conversion(avif_files):
global converted_files
converted_files = convert_avif_to_png(avif_files)
return converted_files
def handle_download():
if not converted_files:
error_modal.show()
return None
return zip_files(converted_files)
run_button.click(
fn=handle_conversion,
inputs=[avif_file],
outputs=[result]
)
download_button.click(
fn=handle_download,
inputs=[],
outputs=[gr.File()]
)
demo.queue().launch() |