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product_print_zpl_barcode: add timeout and improve error message

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This commit is contained in:
Alexis de Lattre
2024-03-13 12:27:09 +01:00
parent df370f4948
commit 8364b42930
1 changed files with 7 additions and 2 deletions
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9
product_print_zpl_barcode/wizard/product_print_zpl_barcode.py
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@@ -13,6 +13,8 @@ import ipaddress
import logging import logging
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
TIMEOUT = 5
PRINTER_PORT = 9100
class ProductPrintZplBarcode(models.TransientModel): class ProductPrintZplBarcode(models.TransientModel):
@@ -184,10 +186,13 @@ class ProductPrintZplBarcode(models.TransientModel):
else: # IPv4 else: # IPv4
socket_inet = socket.AF_INET socket_inet = socket.AF_INET
with socket.socket(socket_inet, socket.SOCK_STREAM) as s: with socket.socket(socket_inet, socket.SOCK_STREAM) as s:
s.settimeout(TIMEOUT)
try: try:
s.connect((str(ip), 9100)) s.connect((str(ip), PRINTER_PORT))
except Exception as e: except Exception as e:
raise UserError(str(e)) raise UserError(_(
"Cannot connect to ZPL printer on %(ip)s. Error: %(error)s",
ip=ip, error=e))
zpl_file_bytes = base64.decodebytes(self.zpl_file) zpl_file_bytes = base64.decodebytes(self.zpl_file)
s.send(zpl_file_bytes) s.send(zpl_file_bytes)
s.close() s.close()