Fixes

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

main.py

@@ -1,49 +1,80 @@
+import os, logging
+DEBUG = os.environ.get('DEBUG')
+logging.basicConfig(
+        #filename='protovax.log', encoding='utf-8',
+        format='[%(asctime)s] %(levelname)s %(module)s/%(funcName)s - %(message)s',
+        level=logging.DEBUG if DEBUG else logging.INFO)
+
 import io
 import time
 import requests
+import asyncio
+import aiomqtt
 from escpos.printer import Usb
 from PIL import Image, ImageEnhance
+from aiomqtt import Client
 
 VENDOR_ID = 0x0416
 PRODUCT_ID = 0x5011
-IMAGE_URL = "https://static.spaceport.dns.t0.vc/drawing.png"
+STATIC_URL = 'https://static.spaceport.dns.t0.vc/'
-PRINTER_WIDTH = 384  # Set to your printer's pixel width (common: 384 or 576)
+PRINTER_WIDTH = 384
 
 
-def main():
+def print_picture(filename, p):
-    # Initialize printer
+    logging.info('New picture submitted: %s', filename)
+
+    try:
+        p.hw('INIT')
+        response = requests.get(STATIC_URL + filename, timeout=5)
+        response.raise_for_status()
+
+        print('New image detected, printing...')
+        last_image_content = response.content
+
+        img = Image.open(io.BytesIO(response.content))
+
+        # Convert with dithering
+        img = img.convert('1', dither=Image.FLOYDSTEINBERG)
+
+        # Print image
+        p.image(img)
+        p.cut()
+
+    except requests.exceptions.RequestException as e:
+        print(f'Error downloading image: {e}')
+
+
+async def process_mqtt(message, p):
+    text = message.payload.decode()
+    topic = message.topic.value
+    logging.debug('MQTT topic: %s, message: %s', topic, text)
+
+    if 'spaceport/drawing/new' in topic:
+        print_picture(text, p)
+    else:
+        logging.debug('Invalid topic, returning')
+        return
+
+async def fetch_mqtt(p):
+    await asyncio.sleep(3)
+
+    async with Client(
+        hostname='172.17.17.181',
+        port=1883,
+    ) as client:
+        await client.subscribe('#')
+        async for message in client.messages:
+            loop = asyncio.get_event_loop()
+            loop.create_task(process_mqtt(message, p))
+
+
+if __name__ == '__main__':
+    logging.info('')
+    logging.info('==========================')
+    logging.info('Booting up...')
+
     p = Usb(VENDOR_ID, PRODUCT_ID, interface=0, in_ep=0x81, out_ep=0x03)
-    last_image_content = None
 
-    while True:
+    loop = asyncio.get_event_loop()
-        try:
+    loop.run_until_complete(fetch_mqtt(p))
-            response = requests.get(IMAGE_URL, timeout=5)
-            response.raise_for_status()
-
-            if response.content != last_image_content:
-                print("New image detected, printing...")
-                last_image_content = response.content
-
-                img = Image.open(io.BytesIO(response.content))
-
-                # Resize first
-                wpercent = (PRINTER_WIDTH / float(img.size[0]))
-                hsize = int((float(img.size[1]) * float(wpercent)))
-                img = img.resize((PRINTER_WIDTH, hsize), Image.LANCZOS)
-
-                # Convert with dithering
-                img = img.convert('1', dither=Image.FLOYDSTEINBERG)
-
-                # Print image
-                p.image(img)
-                p.cut()
-
-        except requests.exceptions.RequestException as e:
-            print(f"Error downloading image: {e}")
-
-        time.sleep(5)
-
-
-if __name__ == "__main__":
-    main()