setop/python-escpos
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refactor PEP8 and code style

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Patrick Kanzler
2016-06-19 12:25:40 +02:00
parent e814396bd8
commit 6697922b74
7 changed files with 48 additions and 37 deletions
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23
escpos/escpos.py
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@@ -24,6 +24,7 @@ from .exceptions import *
from abc import ABCMeta, abstractmethod # abstract base class support
from escpos.image import EscposImage
@six.add_metaclass(ABCMeta)
class Escpos(object):
""" ESC/POS Printer object
@@ -122,11 +123,14 @@ class Escpos(object):
""" Print QR Code for the provided string
:param content: The content of the code. Numeric data will be more efficiently compacted.
:param ec: Error-correction level to use. One of QR_ECLEVEL_L (default), QR_ECLEVEL_M, QR_ECLEVEL_Q or QR_ECLEVEL_H.
:param ec: Error-correction level to use. One of QR_ECLEVEL_L (default), QR_ECLEVEL_M, QR_ECLEVEL_Q or
QR_ECLEVEL_H.
Higher error correction results in a less compact code.
:param size: Pixel size to use. Must be 1-16 (default 3)
:param model: QR code model to use. Must be one of QR_MODEL_1, QR_MODEL_2 (default) or QR_MICRO (not supported by all printers).
:param native: True to render the code on the printer, False to render the code as an image and send it to the printer (Default)
:param model: QR code model to use. Must be one of QR_MODEL_1, QR_MODEL_2 (default) or QR_MICRO (not supported
by all printers).
:param native: True to render the code on the printer, False to render the code as an image and send it to the
printer (Default)
"""
# Basic validation
if ec not in [QR_ECLEVEL_L, QR_ECLEVEL_M, QR_ECLEVEL_H, QR_ECLEVEL_Q]:
@@ -143,11 +147,11 @@ class Escpos(object):
if model != QR_MODEL_2:
raise ValueError("Invalid QR model for qrlib rendering (must be QR_MODEL_2)")
python_qr_ec = {
QR_ECLEVEL_H: qrcode.constants.ERROR_CORRECT_H,
QR_ECLEVEL_L: qrcode.constants.ERROR_CORRECT_L,
QR_ECLEVEL_M: qrcode.constants.ERROR_CORRECT_M,
QR_ECLEVEL_Q: qrcode.constants.ERROR_CORRECT_Q
}
QR_ECLEVEL_H: qrcode.constants.ERROR_CORRECT_H,
QR_ECLEVEL_L: qrcode.constants.ERROR_CORRECT_L,
QR_ECLEVEL_M: qrcode.constants.ERROR_CORRECT_M,
QR_ECLEVEL_Q: qrcode.constants.ERROR_CORRECT_Q
}
qr_code = qrcode.QRCode(version=None, box_size=size, border=1, error_correction=python_qr_ec[ec])
qr_code.add_data(content)
qr_code.make(fit=True)
@@ -435,7 +439,8 @@ class Escpos(object):
col_count = self.columns if columns is None else columns
self.text(textwrap.fill(txt, col_count))
def set(self, align='left', font='a', text_type='normal', width=1, height=1, density=9, invert=False, smooth=False, flip=False):
def set(self, align='left', font='a', text_type='normal', width=1, height=1, density=9, invert=False, smooth=False,
flip=False):
""" Set text properties by sending them to the printer
:param align: horizontal position for text, possible values are: