first.

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 moli
+Copyright (c) 2025 Shinya Koyano
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

aecpic.py

@@ -0,0 +1,126 @@
+#!/usr/bin/env PYTHONUTF8=1 python3
+
+'''
+get a picture at some url in use curl, then open new anvil window and set the picture to background picture on to the window.
+
+author: moli
+'''
+
+import os
+import subprocess
+import tempfile
+import requests
+import json
+import mimetypes
+from PIL import Image
+import argparse
+
+def getSuffix(url):
+    '''
+    get the suffix in the url.
+    
+    >>> import apcpic
+    >>> apcpic.getSuffix('https://moli-green.xyz/img.webp')
+    '.webp'
+    '''
+    mimetype = mimetypes.guess_type(url)
+    match mimetype:
+        case 'image/png', encoding:
+            return '.png'
+        case 'image/jpeg', encoding:
+            return '.jpeg'
+        case 'image/webp', encoding:
+            return '.webp'
+        case 'image/avif', encoding:
+            return '.avif'
+        case 'image/gif', encoding:
+            return '.gif'
+        case _:
+            raise RuntimeError('this image type not supported.')
+
+def download(url):
+    '''
+    download the iamge file to the temporary file.
+
+    >>> import apcpic
+    >>> r = apcpic.download('https://moli-green.xyz/img.webp')
+    >>> if r != '':
+    ...     pass
+    '''
+    suffix = getSuffix(url)
+    filename = ''
+    with tempfile.NamedTemporaryFile(
+            mode='wb',
+            delete=False,
+            suffix=suffix) as f:
+        r = subprocess.run(['curl', url], capture_output = True)
+        f.write(r.stdout)
+        filename = f.name
+    return filename
+
+def getPNG(url):
+    '''
+    get PNG file path.
+
+    >>> import apcpic
+    >>> r = apcpic.getPNG('https://moli-green.xyz/img.webp')
+    >>> if r != '':
+    ...     pass
+    '''
+    png_filename = ''
+    with tempfile.NamedTemporaryFile(
+            mode='wb',
+            delete=False,
+            suffix='.png') as f:
+        png_filename = f.name
+    filename = download(url)
+#    print(filename)
+    img = Image.open(filename)
+    img.save(png_filename)
+    return png_filename
+
+def anvil_Pic(host='localhost', url=None):
+    '''
+    Pic command send to Anvil.
+    '''
+    if not url:
+        raise RuntimeError('not have url.')
+
+    if 'ANVIL_API_PORT' not in os.environ:
+        raise RuntimeError('not in Anvil')
+    
+    filename = getPNG(url)
+
+    ANVIL_API_PORT = os.environ['ANVIL_API_PORT']
+    ANVIL_API_SESS = os.environ['ANVIL_API_SESS']
+    ANVIL_WIN_ID = os.environ['ANVIL_WIN_ID']
+
+    if ANVIL_WIN_ID == '':
+        raise RuntimeError('not on window.')
+
+    h = {
+		'Anvil-Sess': ANVIL_API_SESS,
+        'Accept': 'application/json',
+	}
+   
+    d = {
+        'Winid': int(ANVIL_WIN_ID),
+        'Cmd': 'Pic',
+        'Args': [filename, 'fit'],
+    }
+
+    s = f'http://{host}:{int(ANVIL_API_PORT)}/execute'
+
+    r = requests.post(s, headers=h, data=json.dumps(d))
+	
+    if r.status_code != requests.codes.ok:
+        raise RuntimeError(f'status code: {r.status_code}')
+
+if __name__ == '__main__':
+    p = argparse.ArgumentParser(
+            description='Downlowad Url Image and Set Anvil Picture.')
+    p.add_argument('--host', default='localhost', help='Hostname')
+    p.add_argument('url', help='Image URL')
+    arg = p.parse_args()
+    anvil_Pic(arg.host, arg.url)
+