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code style fixes per landscape

This commit is contained in:
Michael Billington 2016-03-20 21:36:53 +11:00
parent 46b254bc0a
commit 0049821184
1 changed files with 4 additions and 3 deletions
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7
escpos/escpos.py
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@ -257,17 +257,18 @@ 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. Higher error correction results in a less compact code.
: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)
"""
# Basic validation
if not ec in [QR_ECLEVEL_L, QR_ECLEVEL_M, QR_ECLEVEL_H, QR_ECLEVEL_Q]:
if ec not in [QR_ECLEVEL_L, QR_ECLEVEL_M, QR_ECLEVEL_H, QR_ECLEVEL_Q]:
raise ValueError("Invalid error correction level")
if not 1 <= size <= 16:
raise ValueError("Invalid block size (must be 1-16)")
if not model in [QR_MODEL_1, QR_MODEL_2, QR_MICRO]:
if model not in [QR_MODEL_1, QR_MODEL_2, QR_MICRO]:
raise ValueError("Invalid QR model (must be one of QR_MODEL_1, QR_MODEL_2, QR_MICRO)")
if content == "":
# Handle edge case by printing nothing.