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python-escpos
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Fix syntax

This commit is contained in:
Ramon Poca 2018-12-31 13:57:53 +01:00
parent d5b9d99093
commit 73fff6291d
1 changed files with 13 additions and 16 deletions
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27
src/escpos/printer.py
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@ -336,16 +336,16 @@ class Dummy(Escpos):
pass pass
_WIN32PRINT=False _WIN32PRINT = False
try: try:
import win32print import win32print
_WIN32PRINT=True _WIN32PRINT = True
except ImportError: except ImportError:
pass pass
if _WIN32PRINT: if _WIN32PRINT:
class Win32Raw(Escpos): class Win32Raw(Escpos):
def __init__(self, printer_name = None, profile=None, magic_encode_args=None, **kwargs): def __init__(self, printer_name=None, profile=None, magic_encode_args=None, **kwargs):
super().__init__(profile=profile, magic_encode_args=magic_encode_args, **kwargs) super().__init__(profile=profile, magic_encode_args=magic_encode_args, **kwargs)
if printer_name is not None: if printer_name is not None:
self.printer_name = printer_name self.printer_name = printer_name
@ -353,20 +353,19 @@ if _WIN32PRINT:
self.printer_name = win32print.GetDefaultPrinter() self.printer_name = win32print.GetDefaultPrinter()
self.hPrinter = None self.hPrinter = None
def open(self, job_name="python-escpos"): def open(self, job_name="python-escpos"):
if self.printer_name is None: if self.printer_name is None:
raise Exception("Printer not found") raise Exception("Printer not found")
self.hPrinter = win32print.OpenPrinter (self.printer_name) self.hPrinter = win32print.OpenPrinter(self.printer_name)
self.current_job = win32print.StartDocPrinter (self.hPrinter, 1, (job_name, None, "RAW")) self.current_job = win32print.StartDocPrinter(self.hPrinter, 1, (job_name, None, "RAW"))
win32print.StartPagePrinter (self.hPrinter) win32print.StartPagePrinter(self.hPrinter)
def close(self): def close(self):
if not self.hPrinter: if not self.hPrinter:
return return
win32print.EndPagePrinter (self.hPrinter) win32print.EndPagePrinter(self.hPrinter)
win32print.EndDocPrinter (self.hPrinter) win32print.EndDocPrinter(self.hPrinter)
win32print.ClosePrinter (self.hPrinter) win32print.ClosePrinter(self.hPrinter)
self.hPrinter = None self.hPrinter = None
def _raw(self, msg): def _raw(self, msg):
@ -379,6 +378,4 @@ if _WIN32PRINT:
raise Exception("Printer not found") raise Exception("Printer not found")
if self.hPrinter is None: if self.hPrinter is None:
raise Exception("Printer job not opened") raise Exception("Printer job not opened")
win32print.WritePrinter (self.hPrinter, msg) win32print.WritePrinter(self.hPrinter, msg)