Dynamic Video Creation with Day-to-Night Transitions Using Seedance PRO & Nano Banana

 1import requests
 2import time
 3import json
 4
 5api_key = "YOUR_API_KEY"
 6url = "https://api.segmind.com/workflows/68ff1a7401d982f848ce1248-v1"
 7
 8data = {
 9    "First_Frame_input_image": "https://segmind-inference-inputs.s3.amazonaws.com/9620c3b0-5f49-4012-b7c8-fddde6eed626-3d2b9535-d10f-4f7d-b476-65fcc71f2ed3.jpg",
10    "Last_Frame_input_image": "https://segmind-inference-inputs.s3.amazonaws.com/0d05fdc8-6104-46eb-b1bd-724700ad69a1-Untitled-asa.jpg",
11    "Day_to_night_prompt": "make it night time with lights on and add stars in sky\n\ndon't add any changes to the input image "
12}
13
14def poll_for_result(poll_url):
15    """Poll the API until the generation is complete"""
16    while True:
17        response = requests.get(
18            poll_url,
19            headers={'Authorization': f'Bearer {api_key}'}
20        )
21        result = response.json()
22
23        if result['status'] == 'COMPLETED':
24            # Parse the output (it's a JSON string)
25            outputs = json.loads(result['output'])
26            return outputs
27        elif result['status'] == 'FAILED':
28            raise Exception(result.get('error', 'Generation failed'))
29
30        # Wait 7 seconds before polling again
31        time.sleep(7)
32
33# Make the initial request
34response = requests.post(
35    url,
36    json=data,
37    headers={
38        'Authorization': f'Bearer {api_key}',
39        'Content-Type': 'application/json'
40    }
41)
42
43if response.status_code == 200:
44    result = response.json()
45    print('Request queued:', result)
46
47    # Start polling for results
48    outputs = poll_for_result(result['poll_url'])
49    print('Generation complete:', outputs)
50else:
51    print(f"Error: {response.status_code}")
52    print(response.text)