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Fix type checking

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This commit is contained in:
belono 2023-09-22 19:58:26 +02:00
parent f8deb69f43
commit 0984c93975
3 changed files with 7 additions and 6 deletions
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9
src/escpos/printer/serial.py
View File

@ -11,7 +11,7 @@
import functools
import logging
from typing import Optional, Type, Union
from typing import Optional, Union
from ..escpos import Escpos
from ..exceptions import DeviceNotFoundError
@ -125,12 +125,13 @@ class Serial(Escpos):
:raises: :py:exc:`~escpos.exceptions.DeviceNotFoundError`
"""
if self._device and self.device.is_open:
self.close()
if self._device:
if self.device and self.device.is_open:
self.close()
try:
# Open device
self.device: Optional[Type[serial.Serial]] = serial.Serial(
self.device: Optional[serial.Serial] = serial.Serial(
port=self.devfile,
baudrate=self.baudrate,
bytesize=self.bytesize,

2
src/escpos/printer/usb.py
View File

@ -150,7 +150,7 @@ class Usb(Escpos):
and detach_kernel_driver().
This helps enable this library to work on Windows.
"""
if self._device and self.device.backend.__module__.endswith("libusb1"):
if self.device and self.device.backend.__module__.endswith("libusb1"):
check_driver: Optional[bool] = None
try:

2
src/escpos/printer/win32raw.py
View File

@ -114,7 +114,7 @@ class Win32Raw(Escpos):
self.device = win32print.OpenPrinter(self.printer_name)
if self.device:
self.current_job = win32print.StartDocPrinter(
self.device, 1, (job_name, None, "RAW")
hprinter=self.device, level=1, _tuple=(job_name, None, "RAW")
)
win32print.StartPagePrinter(self.device)
except (AssertionError, pywintypes.error) as e: