zman27/tcg-print-server
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

asdfdasfasd

Browse Source
This commit is contained in:
zman 2025-04-07 17:44:19 -04:00
parent c242c75b6b
commit 357e47cc73
1 changed files with 10 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
app.py
View File

@ -34,9 +34,6 @@ printer_model = "QL-1100"
backend = 'pyusb' backend = 'pyusb'
printer = 'usb://0x04f9:0x20a7' printer = 'usb://0x04f9:0x20a7'
# Create a lock to manage printer access
printer_lock = threading.Lock()
# Convert PDF to image # Convert PDF to image
def convert_pdf_to_image(pdf_path): def convert_pdf_to_image(pdf_path):
"""Converts a PDF to a PIL Image""" """Converts a PDF to a PIL Image"""
@ -50,19 +47,6 @@ def convert_pdf_to_image(pdf_path):
app.logger.error(f"Error converting PDF: {str(e)}") app.logger.error(f"Error converting PDF: {str(e)}")
return None return None
# Reinitialize the printer by disconnecting and reconnecting
def reinitialize_printer():
try:
app.logger.info("Reinitializing printer...")
usb_device = usb.core.find(idVendor=0x04f9, idProduct=0x20a7)
if usb_device:
usb_device.reset()
app.logger.info("Printer reinitialized successfully.")
else:
app.logger.error("Failed to find printer device.")
except Exception as e:
app.logger.error(f"Error reinitializing printer: {str(e)}")
# Function to print address labels # Function to print address labels
def print_address_label(pdf_path): def print_address_label(pdf_path):
try: try:
@ -93,40 +77,17 @@ def print_address_label(pdf_path):
cut=True cut=True
) )
# Try to acquire the printer lock with a longer timeout app.logger.info("Sending to printer...")
max_retries = 5 # Retry up to 5 times send(
retry_delay = 5 # Retry every 5 seconds instructions=instructions,
for attempt in range(max_retries): printer_identifier=printer,
if printer_lock.acquire(timeout=30): # 30 seconds timeout to allow more time for the printer backend_identifier=backend,
try: blocking=True
app.logger.info(f"Attempting to send print job (Attempt {attempt + 1})...") )
send( app.logger.info("Print job sent successfully")
instructions=instructions,
printer_identifier=printer,
backend_identifier=backend,
blocking=True # Ensure blocking, so we wait for the print to complete
)
app.logger.info("Print job sent successfully")
break
except Exception as e:
app.logger.error(f"Error during printing: {str(e)}")
if attempt < max_retries - 1:
app.logger.info(f"Retrying after {retry_delay} seconds...")
time.sleep(retry_delay)
else:
app.logger.error("Max retries reached. Failed to send print job.")
reinitialize_printer() # Reinitialize printer after retries
else:
app.logger.error(f"Failed to acquire printer lock (Attempt {attempt + 1}). Printer is busy.")
if attempt < max_retries - 1:
app.logger.info(f"Retrying after {retry_delay} seconds...")
time.sleep(retry_delay)
else:
app.logger.error("Printer is still busy after retries.")
raise Exception("Printer is busy. Try again later.")
except Exception as e: except Exception as e:
app.logger.error(f"Error during label printing: {str(e)}") app.logger.error(f"Error during printing: {str(e)}")
# Worker thread that processes files from the queue # Worker thread that processes files from the queue
def process_queue(): def process_queue():