setop/python-escpos
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REFACTOR fix minor PEP8 and similar mistakes

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This commit is contained in:
Patrick Kanzler
2016-01-08 03:34:14 +01:00
parent 0e907644d9
commit f25521f22f
6 changed files with 47 additions and 30 deletions
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17
escpos/escpos.py
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@@ -15,10 +15,8 @@ except ImportError:
from PIL import Image
import qrcode
import time
import textwrap
import binascii
import os
import operator
from .constants import *
@@ -26,6 +24,7 @@ from .exceptions import *
from abc import ABCMeta, abstractmethod # abstract base class support
class Escpos(object):
""" ESC/POS Printer object
@@ -64,9 +63,9 @@ class Escpos(object):
else:
image_border = 32 - (size % 32)
if (image_border % 2) == 0:
return (round(image_border / 2), round(image_border / 2))
return round(image_border / 2), round(image_border / 2)
else:
return (round(image_border / 2), round((image_border / 2) + 1))
return round(image_border / 2), round((image_border / 2) + 1)
def _print_image(self, line, size):
""" Print formatted image
@@ -221,16 +220,16 @@ class Escpos(object):
#self._raw(binascii.unhexlify(buf))
for y in range(height):
for x in range(width):
value = image.getpixel((x,y))
value = (value << 8) | value;
value = image.getpixel((x, y))
value |= (value << 8)
if value == 0:
temp |= mask
mask = mask >> 1
mask >>= 1
i += 1
if i == 8:
buf += ("%02X" % temp)
buf += ("%02X" % temp)
mask = 0x80
i = 0
temp = 0
@@ -413,7 +412,7 @@ class Escpos(object):
:param columns: amount of columns
:return: None
"""
colCount = self.columns if columns == None else columns
colCount = self.columns if columns is None else columns
self.text(textwrap.fill(txt, colCount))
def set(self, align='left', font='a', text_type='normal', width=1, height=1, density=9):