Restructure the code and implement a printing queue #29
@@ -344,94 +344,3 @@ def _process_image(self, path):
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self.app.logger.debug("Processed and saved image.")
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return jpeg_path
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def discover_printers():
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"""
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We try to find all the connected printers ( 0 or n ) to this system.
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For every type of supported printer, we try to autodiscover them.
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http://www.linux-usb.org/usb.ids A list of USB vendor IDs
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04b8 Seiko Epson Corp.
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04f9 Brother Industries, Ltd
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"""
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def find_and_parse_borther_ql_printer():
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## We might be able to no use this because there is a `discover` command in https://github.com/pklaus/brother_ql#usage
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## Code stolen from https://framagit.org/stickoeur/diagnostickoeur/-/blob/no-masters/printit.py?ref_type=heads
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"""Find and parse Brother QL printer information."""
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model_manager = ModelsManager()
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# Debug print to show we're searching
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# print("Searching for Brother QL printer...")
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for backend_name in ["pyusb", "linux_kernel"]:
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try:
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# print(f"Trying backend: {backend_name}")
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backend = backend_factory(backend_name)
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available_devices = backend["list_available_devices"]()
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# print(f"Found {len(available_devices)} devices with {backend_name} backend")
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for printer in available_devices:
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# print(f"Found device: {printer}")
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identifier = printer["identifier"]
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parts = identifier.split("/")
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if len(parts) < 4:
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# print(f"Skipping device with invalid identifier format: {identifier}")
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continue
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protocol = parts[0]
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device_info = parts[2]
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serial_number = parts[3]
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try:
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vendor_id, product_id = device_info.split(":")
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except ValueError:
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# print(f"Invalid device info format: {device_info}")
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continue
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# Default model
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model = "QL-570"
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# Try to match product ID to determine actual model
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try:
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product_id_int = int(product_id, 16)
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for m in model_manager.iter_elements():
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if m.product_id == product_id_int:
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model = m.identifier
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break
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# print(f"Matched printer model: {model}")
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except ValueError:
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# print(f"Invalid product ID format: {product_id}")
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continue
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printer_info = {
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"identifier": identifier,
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"backend": backend_name,
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"model": model,
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"protocol": protocol,
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"vendor_id": vendor_id,
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"product_id": product_id,
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"serial_number": serial_number,
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}
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# print(f"Found printer: {printer_info}")
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return printer_info
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except Exception as e:
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# print(f"Error with backend {backend_name}: {str(e)}")
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continue
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print("No Brother QL printer found")
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return None
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def fint_and_parse_epson_printer():
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pass
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