setop/python-escpos
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Flake8 review

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csoft2k 2017-07-27 22:26:43 +02:00
parent b7241f9cc1
commit 8922b55659
1 changed files with 4 additions and 3 deletions
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7
src/escpos/escpos.py
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@ -35,7 +35,8 @@ from .constants import CD_KICK_DEC_SEQUENCE, CD_KICK_5, CD_KICK_2, PAPER_FULL_CU
from .constants import HW_RESET, HW_SELECT, HW_INIT from .constants import HW_RESET, HW_SELECT, HW_INIT
from .constants import CTL_VT, CTL_CR, CTL_FF, CTL_LF, CTL_SET_HT, PANEL_BUTTON_OFF, PANEL_BUTTON_ON from .constants import CTL_VT, CTL_CR, CTL_FF, CTL_LF, CTL_SET_HT, PANEL_BUTTON_OFF, PANEL_BUTTON_ON
from .constants import TXT_STYLE from .constants import TXT_STYLE
from .constants import RT_STATUS_ONLINE, RT_MASK_ONLINE, RT_STATUS_PAPER, RT_MASK_PAPER, RT_MASK_LOWPAPER, RT_MASK_NOPAPER from .constants import RT_STATUS_ONLINE, RT_MASK_ONLINE
from .constants import RT_STATUS_PAPER, RT_MASK_PAPER, RT_MASK_LOWPAPER, RT_MASK_NOPAPER
from .exceptions import BarcodeTypeError, BarcodeSizeError, TabPosError from .exceptions import BarcodeTypeError, BarcodeSizeError, TabPosError
from .exceptions import CashDrawerError, SetVariableError, BarcodeCodeError from .exceptions import CashDrawerError, SetVariableError, BarcodeCodeError
@ -769,9 +770,9 @@ class Escpos(object):
""" Queries the printer its online status. """ Queries the printer its online status.
When online, returns True; False otherwise. When online, returns True; False otherwise.
:rtype: bool: True if online, False if offline.""" :rtype: bool: True if online, False if offline."""
status = self.query_status(RT_STATUS_ONLINE); status = self.query_status(RT_STATUS_ONLINE)
if len(status) == 0: if len(status) == 0:
return False; return False
return not (status & RT_MASK_ONLINE) return not (status & RT_MASK_ONLINE)
def paper_status(self): def paper_status(self):