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printer test ok

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This commit is contained in:
germano2239 2022-07-26 16:37:22 +02:00
parent 50908f237f
commit c46d5e1ab0
1 changed files with 23 additions and 17 deletions
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20
src/components/os_label_printer.py
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@ -4,6 +4,9 @@ import sys
from PyQt5.QtWidgets import QMessageBox
from .component import Component
import platform
if platform.system() == 'Windows':
import win32print
class Os_Label_Printer(Component):
@ -31,17 +34,20 @@ class Os_Label_Printer(Component):
with open(f"config/label_templates/{str(template)}.prn", "r", errors="surrogateescape") as f:
label = f.read()
# LABEL PRINT
label = label.format(**context)
label_file_contents = label.format(**context)
label_file = "tmp/label.prn"
with open(label_file, "w", errors="surrogateescape") as f:
label = f.write(label)
if self.platform == "windows":
cmd = f'print /d:"{self.printer}" "{label_file}"'
elif self.platform == "cups":
cmd = f'lp -d "{self.printer}" "{label_file}"'
ret = f.write(label)
if platform.system() == 'Windows':
printer = win32print.OpenPrinter(self.printer)
job = win32print.StartDocPrinter(printer, 1,
("label", None, "RAW"))
win32print.WritePrinter(printer, bytes(label_file_contents,encoding="utf8"))
win32print.EndPagePrinter(printer)
else:
raise NotImplementedError(f"platform {self.platform!r} is not supported")
if not self.simulate:
cmd = f'lp -d "{self.printer}" "{label_file}"'
p = subprocess.run(cmd, stderr=subprocess.STDOUT, stdout=subprocess.PIPE, shell=True) # unsafe
if p.returncode != 0:
self.log.exception(f"failed to print: returncode: {p.returncode}\noutput:\n{p.stdout}")