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import gradio as gr
import base64
import requests
from PIL import Image
import io
API_KEY = "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"
IMAGE_MODEL = "OpenGVLab/InternVL3-14B"
def extract_passport_info(images, document_type):
results = []
for image in images:
# Convert image to base64
buffered = io.BytesIO()
image.save(buffered, format="JPEG")
encoded_image = base64.b64encode(buffered.getvalue()).decode("utf-8")
data_url = f"data:image/jpeg;base64,{encoded_image}"
# Prompt to extract full passport data
prompt = (
f"Extract all passport information from the uploaded {document_type} image. "
"Include MRZ (if present), full name, passport number, nationality, gender, "
"date of birth, date of issue, expiry date, issuing country, and any other text or labels in other languages. "
"Return the result in a JSON format."
)
# OpenRouter Payload
payload = {
"model": IMAGE_MODEL,
"messages": [
{
"role": "user",
"content": [
{"type": "text", "text": prompt},
{"type": "image_url", "image_url": {"url": data_url}},
],
}
],
}
headers = {
"Authorization": f"Bearer {API_KEY}",
"Content-Type": "application/json"
}
try:
response = requests.post("https://openrouter.ai/api/v1/chat/completions", headers=headers, json=payload)
result = response.json()
print("📡 Status:", response.status_code)
print("📡 Raw Result:", result)
if "choices" in result:
extracted = result["choices"][0]["message"]["content"]
results.append({
"document_type": document_type,
"extracted_info": extracted
})
else:
results.append({
"document_type": document_type,
"extracted_info": "❌ No data extracted"
})
except Exception as e:
results.append({
"document_type": document_type,
"extracted_info": f"⚠️ Error: {str(e)}"
})
return results
# Gradio UI
demo = gr.Interface(
fn=extract_passport_info,
inputs=[
gr.Image(type="pil", label="Upload Passport/Document Images", multiple=True),
gr.Dropdown(
choices=["passport_front", "passport_back", "photo", "hotel_reservation"],
label="Document Type",
value="passport_front",
)
],
outputs="json",
title="Passport & Document Info Extractor",
description="Upload one or more document images. Extracted information will include MRZ and all available text, structured in JSON format.",
)
if __name__ == "__main__":
demo.launch()
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