Patrick Kanzler
GitHub
commit
d1e7052fa1
1
.mailmap
1
.mailmap
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@ -9,3 +9,4 @@ Renato Lorenzi <renato.lorenzi@senior.com.br> Renato.Lorenzi <renato.lore
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Ahmed Tahri <nyuubi.10@gmail.com> TAHRI Ahmed <nyuubi.10@gmail.com>
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Michael Elsdörfer <michael@elsdoerfer.com> Michael Elsdörfer <michael@elsdoerfer.info>
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csoft2k <csoft2k@hotmail.com>
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Sergio Pulgarin <sergio.pulgarin@gmail.com>
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2
AUTHORS
2
AUTHORS
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@ -12,6 +12,7 @@ Hark
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Joel Lehtonen
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Kristi
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ldos
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Lucy Linder
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Manuel F Martinez
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Michael Billington
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Michael Elsdörfer
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@ -22,6 +23,7 @@ Qian Linfeng
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Renato Lorenzi
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Romain Porte
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Sam Cheng
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Sergio Pulgarin
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Stephan Sokolow
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Thijs Triemstra
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Thomas van den Berg
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@ -1,6 +1,24 @@
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*********
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Changelog
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*********
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2017-10-08 - Version 3.0a3 - "Just Testing"
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-------------------------------------------
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This release is the fourth alpha release of the new version 3.0. Please
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be aware that the API will still change until v3.0 is released.
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changes
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^^^^^^^
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- minor changes in documentation, tests and examples
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- pickle capabilities for faster startup
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- first implementation of centering images and QR
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- check barcodes based on regex
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contributors
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^^^^^^^^^^^^
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- Patrick Kanzler
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- Lucy Linder
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- Romain Porte
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- Sergio Pulgarin
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2017-08-04 - Version 3.0a2 - "It's My Party And I'll Sing If I Want To"
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-----------------------------------------------------------------------
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|
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@ -20,6 +20,7 @@ When contributing the first time, please include a commit with the output of thi
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Otherwise the integration-check will fail.
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||||
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When you change your username or mail-address, please also update the `.mailmap` and the authors-list.
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You can find a good documentation on the mapping-feature in the `documentation of git-shortlog <https://git-scm.com/docs/git-shortlog#_mapping_authors>`_.
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Style-Guide
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-----------
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@ -47,9 +48,11 @@ Often you can achieve compatibility quite easily with a tool from the `six`-pack
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PEP8
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^^^^
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This is not yet consequently done in every piece of code, but please try to ensure
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that your code honors PEP8.
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The checks by Landscape and QuantifiedCode that run on every PR will provide you with hints.
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The entire codebase adheres to the rules of PEP8.
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These rules are enforced by running `flake8` in the integration-checks.
|
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Please adhere to these rules as your contribution can only be merged if the check succeeds.
|
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You can use flake8 or similar tools locally in order to check your code.
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Apart from that the travis-log and the check by Landscape will provide you with hints.
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GIT
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^^^
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|
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11
README.rst
11
README.rst
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@ -70,4 +70,13 @@ The full project-documentation is available on `Read the Docs <https://python-es
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Contributing
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------------
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This project is open for any contribution! Please see CONTRIBUTING.rst for more information.
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This project is open for any contribution! Please see `CONTRIBUTING.rst <http://python-escpos.readthedocs.io/en/latest/dev/contributing.html>`_ for more information.
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Disclaimer
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----------
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None of the vendors cited in this project agree or endorse any of the patterns or implementations.
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Its names are used only to maintain context.
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@ -1,6 +1,6 @@
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#!/bin/sh
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GENLIST=$(git shortlog -s -n | cut -f2 | sort)
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GENLIST=$(git shortlog -s -n | cut -f2 | sort -f)
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AUTHORSFILE="$(dirname $0)/../AUTHORS"
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TEMPAUTHORSFILE="/tmp/python-escpos-authorsfile"
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@ -37,14 +37,14 @@ def print_codepage(printer, codepage):
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sep = ""
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# Table header
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printer.set(text_type='B')
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printer.set(font='b')
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printer._raw(" {}\n".format(sep.join(map(lambda s: hex(s)[2:], range(0, 16)))))
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printer.set()
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# The table
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for x in range(0, 16):
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# First column
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printer.set(text_type='B')
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printer.set(font='b')
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printer._raw("{} ".format(hex(x)[2:]))
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printer.set()
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@ -16,4 +16,4 @@ if __name__ == '__main__':
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# Adapt to your needs
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p = Usb(0x0416, 0x5011, profile="POS-5890")
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p.qr(content)
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p.qr(content, center=True)
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@ -123,5 +123,5 @@ printer.set(font='a', height=2, align='center', bold=True, double_height=False)
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printer.text('Forecast: \n')
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forecast(0)
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forecast(1)
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printer.cut
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printer.cut()
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printer.control("LF")
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3
setup.py
3
setup.py
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@ -68,7 +68,6 @@ setup(
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url='https://github.com/python-escpos/python-escpos',
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download_url='https://github.com/python-escpos/python-escpos/archive/master.zip',
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description='Python library to manipulate ESC/POS Printers',
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bugtrack_url='https://github.com/python-escpos/python-escpos/issues',
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license='MIT',
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long_description=read('README.rst'),
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author='Manuel F Martinez and others',
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@ -114,7 +113,7 @@ setup(
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'pyserial',
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'six',
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'appdirs',
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'pyyaml',
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'PyYAML',
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'argparse',
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'argcomplete',
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'future',
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@ -1,16 +1,47 @@
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import re
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import six
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from os import environ, path
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import pickle
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import logging
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import time
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import six
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import yaml
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# Load external printer database
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if 'ESCPOS_CAPABILITIES_FILE' in environ:
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file_path = environ['ESCPOS_CAPABILITIES_FILE']
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else:
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file_path = path.join(path.dirname(__file__), 'capabilities.json')
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with open(file_path) as f:
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CAPABILITIES = yaml.load(f)
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logging.basicConfig()
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logger = logging.getLogger(__name__)
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pickle_dir = environ.get('ESCPOS_CAPABILITIES_PICKLE_DIR', '/tmp/')
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pickle_path = path.join(pickle_dir, 'capabilities.pickle')
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capabilities_path = environ.get(
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'ESCPOS_CAPABILITIES_FILE',
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path.join(path.dirname(__file__), 'capabilities.json'))
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# Load external printer database
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t0 = time.time()
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logger.debug('Using capabilities from file: %s', capabilities_path)
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if path.exists(pickle_path):
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if path.getmtime(capabilities_path) > path.getmtime(pickle_path):
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logger.debug('Found a more recent capabilities file')
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full_load = True
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else:
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full_load = False
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logger.debug('Loading capabilities from pickle in %s', pickle_path)
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with open(pickle_path, 'rb') as cf:
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CAPABILITIES = pickle.load(cf)
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else:
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logger.debug('Capabilities pickle file not found: %s', pickle_path)
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full_load = True
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if full_load:
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logger.debug('Loading and pickling capabilities')
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with open(capabilities_path) as cp, open(pickle_path, 'wb') as pp:
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CAPABILITIES = yaml.load(cp)
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pickle.dump(CAPABILITIES, pp, protocol=2)
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logger.debug('Finished loading capabilities took %.2fs', time.time() - t0)
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PROFILES = CAPABILITIES['profiles']
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@ -225,6 +225,24 @@ BARCODE_TYPE_B = {
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'GS1 DATABAR EXPANDED': _SET_BARCODE_TYPE(78),
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}
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BARCODE_FORMATS = {
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'UPC-A': ([(11, 12)], "^[0-9]{11,12}$"),
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'UPC-E': ([(7, 8), (11, 12)], "^([0-9]{7,8}|[0-9]{11,12})$"),
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'EAN13': ([(12, 13)], "^[0-9]{12,13}$"),
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'EAN8': ([(7, 8)], "^[0-9]{7,8}$"),
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'CODE39': ([(1, 255)], "^([0-9A-Z \$\%\+\-\.\/]+|\*[0-9A-Z \$\%\+\-\.\/]+\*)$"),
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'ITF': ([(2, 255)], "^([0-9]{2})+$"),
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'NW7': ([(1, 255)], "^[A-Da-d][0-9\$\+\-\.\/\:]+[A-Da-d]$"),
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'CODABAR': ([(1, 255)], "^[A-Da-d][0-9\$\+\-\.\/\:]+[A-Da-d]$"), # Same as NW7
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'CODE93': ([(1, 255)], "^[\\x00-\\x7F]+$"),
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'CODE128': ([(2, 255)], "^\{[A-C][\\x00-\\x7F]+$"),
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'GS1-128': ([(2, 255)], "^\{[A-C][\\x00-\\x7F]+$"), # same as CODE128
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'GS1 DATABAR OMNIDIRECTIONAL': ([(13,13)], "^[0-9]{13}$"),
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'GS1 DATABAR TRUNCATED': ([(13,13)], "^[0-9]{13}$"), # same as GS1 omnidirectional
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'GS1 DATABAR LIMITED': ([(13,13)], "^[01][0-9]{12}$"),
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'GS1 DATABAR EXPANDED': ([(2,255)], "^\([0-9][A-Za-z0-9 \!\"\%\&\'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\_\{]+$"),
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}
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BARCODE_TYPES = {
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'A': BARCODE_TYPE_A,
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'B': BARCODE_TYPE_B,
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|
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@ -19,13 +19,14 @@ import qrcode
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import textwrap
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import six
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import time
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from re import match as re_match
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import barcode
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from barcode.writer import ImageWriter
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from .constants import ESC, GS, NUL, QR_ECLEVEL_L, QR_ECLEVEL_M, QR_ECLEVEL_H, QR_ECLEVEL_Q
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from .constants import QR_MODEL_1, QR_MODEL_2, QR_MICRO, BARCODE_TYPES, BARCODE_HEIGHT, BARCODE_WIDTH
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from .constants import BARCODE_FONT_A, BARCODE_FONT_B
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from .constants import BARCODE_FONT_A, BARCODE_FONT_B, BARCODE_FORMATS
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from .constants import BARCODE_TXT_OFF, BARCODE_TXT_BTH, BARCODE_TXT_ABV, BARCODE_TXT_BLW
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from .constants import TXT_SIZE, TXT_NORMAL
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from .constants import SET_FONT
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@ -80,14 +81,14 @@ class Escpos(object):
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"""
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pass
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def _read(self, msg):
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def _read(self):
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""" Returns a NotImplementedError if the instance of the class doesn't override this method.
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:raises NotImplementedError
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"""
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raise NotImplementedError()
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def image(self, img_source, high_density_vertical=True, high_density_horizontal=True, impl="bitImageRaster",
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fragment_height=960):
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fragment_height=960, center=False):
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""" Print an image
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You can select whether the printer should print in high density or not. The default value is high density.
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@ -108,14 +109,19 @@ class Escpos(object):
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:param high_density_horizontal: print in high density in horizontal direction *default:* True
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:param impl: choose image printing mode between `bitImageRaster`, `graphics` or `bitImageColumn`
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:param fragment_height: Images larger than this will be split into multiple fragments *default:* 960
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:param center: Center image horizontally *default:* False
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"""
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im = EscposImage(img_source)
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try:
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max_width = int(self.profile.profile_data['media']['width']['pixels'])
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if im.width > max_width:
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raise ImageWidthError('{} > {}'.format(im.width, max_width))
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if center:
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im.center(max_width)
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except KeyError:
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# If the printer's pixel width is not known, print anyways...
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pass
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|
@ -173,7 +179,8 @@ class Escpos(object):
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header = self._int_low_high(len(data) + 2, 2)
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self._raw(GS + b'(L' + header + m + fn + data)
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|
||||
def qr(self, content, ec=QR_ECLEVEL_L, size=3, model=QR_MODEL_2, native=False):
|
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def qr(self, content, ec=QR_ECLEVEL_L, size=3, model=QR_MODEL_2,
|
||||
native=False, center=False):
|
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""" Print QR Code for the provided string
|
||||
|
||||
:param content: The content of the code. Numeric data will be more efficiently compacted.
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|
|
@ -185,6 +192,7 @@ class Escpos(object):
|
|||
by all printers).
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:param native: True to render the code on the printer, False to render the code as an image and send it to the
|
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printer (Default)
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:param center: Centers the code *default:* False
|
||||
"""
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||||
# Basic validation
|
||||
if ec not in [QR_ECLEVEL_L, QR_ECLEVEL_M, QR_ECLEVEL_H, QR_ECLEVEL_Q]:
|
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|
|
@ -211,12 +219,17 @@ class Escpos(object):
|
|||
qr_code.make(fit=True)
|
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qr_img = qr_code.make_image()
|
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im = qr_img._img.convert("RGB")
|
||||
|
||||
# Convert the RGB image in printable image
|
||||
self.text('\n')
|
||||
self.image(im)
|
||||
self.image(im, center=center)
|
||||
self.text('\n')
|
||||
self.text('\n')
|
||||
return
|
||||
|
||||
if center:
|
||||
raise NotImplementedError("Centering not implemented for native QR rendering")
|
||||
|
||||
# Native 2D code printing
|
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cn = b'1' # Code type for QR code
|
||||
# Select model: 1, 2 or micro.
|
||||
|
|
@ -275,17 +288,42 @@ class Escpos(object):
|
|||
else:
|
||||
self.magic.force_encoding(code)
|
||||
|
||||
@staticmethod
|
||||
def check_barcode(bc, code):
|
||||
"""
|
||||
This method checks if the barcode is in the proper format.
|
||||
The validation concerns the barcode length and the set of characters, but won't compute/validate any checksum.
|
||||
The full set of requirement for each barcode type is available in the ESC/POS documentation.
|
||||
|
||||
As an example, using EAN13, the barcode `12345678901` will be correct, because it can be rendered by the
|
||||
printer. But it does not suit the EAN13 standard, because the checksum digit is missing. Adding a wrong
|
||||
checksum in the end will also be considered correct, but adding a letter won't (EAN13 is numeric only).
|
||||
|
||||
.. todo:: Add a method to compute the checksum for the different standards
|
||||
|
||||
.. todo:: For fixed-length standards with mandatory checksum (EAN, UPC),
|
||||
compute and add the checksum automatically if missing.
|
||||
|
||||
:param bc: barcode format, see :py:func`~escpos.Escpos.barcode`
|
||||
:param code: alphanumeric data to be printed as bar code, see :py:func`~escpos.Escpos.barcode`
|
||||
:return: bool
|
||||
"""
|
||||
if bc not in BARCODE_FORMATS:
|
||||
return False
|
||||
|
||||
bounds, regex = BARCODE_FORMATS[bc]
|
||||
return any(bound[0] <= len(code) <= bound[1] for bound in bounds) and re_match(regex, code)
|
||||
|
||||
def barcode(self, code, bc, height=64, width=3, pos="BELOW", font="A",
|
||||
align_ct=True, function_type=None):
|
||||
align_ct=True, function_type=None, check=True):
|
||||
""" Print Barcode
|
||||
|
||||
This method allows to print barcodes. The rendering of the barcode is done by the printer and therefore has to
|
||||
be supported by the unit. Currently you have to check manually whether your barcode text is correct. Uncorrect
|
||||
barcodes may lead to unexpected printer behaviour. There are two forms of the barcode function. Type A is
|
||||
default but has fewer barcodes, while type B has some more to choose from.
|
||||
|
||||
.. todo:: Add a method to check barcode codes. Alternatively or as an addition write explanations about each
|
||||
barcode-type. Research whether the check digits can be computed autmatically.
|
||||
be supported by the unit. By default, this method will check whether your barcode text is correct, that is
|
||||
the characters and lengths are supported by ESCPOS. Call the method with `check=False` to disable the check, but
|
||||
note that uncorrect barcodes may lead to unexpected printer behaviour.
|
||||
There are two forms of the barcode function. Type A is default but has fewer barcodes,
|
||||
while type B has some more to choose from.
|
||||
|
||||
Use the parameters `height` and `width` for adjusting of the barcode size. Please take notice that the barcode
|
||||
will not be printed if it is outside of the printable area. (Which should be impossible with this method, so
|
||||
|
|
@ -353,6 +391,10 @@ class Escpos(object):
|
|||
function based on the current profile.
|
||||
*default*: A
|
||||
|
||||
:param check: If this parameter is True, the barcode format will be checked to ensure it meets the bc
|
||||
requirements as defigned in the esc/pos documentation. See py:func:`~escpos.Escpos.check_barcode`
|
||||
for more information. *default*: True.
|
||||
|
||||
:raises: :py:exc:`~escpos.exceptions.BarcodeSizeError`,
|
||||
:py:exc:`~escpos.exceptions.BarcodeTypeError`,
|
||||
:py:exc:`~escpos.exceptions.BarcodeCodeError`
|
||||
|
|
@ -375,12 +417,19 @@ class Escpos(object):
|
|||
bc_types = BARCODE_TYPES[function_type.upper()]
|
||||
if bc.upper() not in bc_types.keys():
|
||||
raise BarcodeTypeError((
|
||||
"Barcode type '{bc}' not valid for barcode function type "
|
||||
"Barcode '{bc}' not valid for barcode function type "
|
||||
"{function_type}").format(
|
||||
bc=bc,
|
||||
function_type=function_type,
|
||||
))
|
||||
|
||||
if check and not self.check_barcode(bc, code):
|
||||
raise BarcodeCodeError((
|
||||
"Barcode '{code}' not in a valid format for type '{bc}'").format(
|
||||
code=code,
|
||||
bc=bc,
|
||||
))
|
||||
|
||||
# Align Bar Code()
|
||||
if align_ct:
|
||||
self._raw(TXT_STYLE['align']['center'])
|
||||
|
|
|
|||
|
|
@ -77,9 +77,10 @@ class BarcodeSizeError(Error):
|
|||
|
||||
|
||||
class BarcodeCodeError(Error):
|
||||
""" No Barcode code was supplied.
|
||||
""" No Barcode code was supplied, or it is incorrect.
|
||||
|
||||
No data for the barcode has been supplied in :py:meth:`escpos.escpos.Escpos.barcode`.
|
||||
No data for the barcode has been supplied in :py:meth:`escpos.escpos.Escpos.barcode` or the the `check` parameter
|
||||
was True and the check failed.
|
||||
The returncode for this exception is `30`.
|
||||
"""
|
||||
def __init__(self, msg=""):
|
||||
|
|
|
|||
|
|
@ -115,3 +115,19 @@ class EscposImage(object):
|
|||
box = (left, upper, right, lower)
|
||||
fragments.append(self.img_original.crop(box))
|
||||
return fragments
|
||||
|
||||
def center(self, max_width):
|
||||
"""In-place image centering
|
||||
|
||||
:param: Maximum width in order to deduce x offset for centering
|
||||
:return: None
|
||||
"""
|
||||
old_width, height = self._im.size
|
||||
new_size = (max_width, height)
|
||||
|
||||
new_im = Image.new("1", new_size)
|
||||
paste_x = int((max_width - old_width) / 2)
|
||||
|
||||
new_im.paste(self._im, (paste_x, 0))
|
||||
|
||||
self._im = new_im
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@ from __future__ import unicode_literals
|
|||
import escpos.printer as printer
|
||||
from escpos.constants import BARCODE_TYPE_A, BARCODE_TYPE_B
|
||||
from escpos.capabilities import Profile, BARCODE_B
|
||||
from escpos.exceptions import BarcodeTypeError
|
||||
from escpos.exceptions import BarcodeTypeError, BarcodeCodeError
|
||||
import pytest
|
||||
|
||||
|
||||
|
|
@ -36,3 +36,17 @@ def test_lacks_support(bctype, supports_b):
|
|||
instance.barcode('test', bctype)
|
||||
|
||||
assert instance.output == b''
|
||||
|
||||
|
||||
@pytest.mark.parametrize("bctype,data", [
|
||||
('EAN13', 'AA'),
|
||||
('CODE128', '{D2354AA'),
|
||||
])
|
||||
def test_code_check(bctype, data):
|
||||
"""should raise an error if the barcode code is invalid.
|
||||
"""
|
||||
instance = printer.Dummy()
|
||||
with pytest.raises(BarcodeCodeError):
|
||||
instance.barcode(data, bctype)
|
||||
|
||||
assert instance.output == b''
|
||||
|
|
|
|||
|
|
@ -0,0 +1,104 @@
|
|||
#!/usr/bin/python
|
||||
# -*- coding: utf-8 -*-
|
||||
|
||||
from __future__ import absolute_import
|
||||
from __future__ import division
|
||||
from __future__ import print_function
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import escpos.printer as printer
|
||||
import pytest
|
||||
|
||||
|
||||
@pytest.mark.parametrize("bctype,data", [
|
||||
('UPC-A', '01234567890'),
|
||||
('UPC-A', '012345678905'),
|
||||
('UPC-E', '01234567'),
|
||||
('UPC-E', '0123456'),
|
||||
('UPC-E', '012345678905'),
|
||||
('EAN13', '0123456789012'),
|
||||
('EAN13', '012345678901'),
|
||||
('EAN8', '01234567'),
|
||||
('EAN8', '0123456'),
|
||||
('CODE39', 'ABC-1234'),
|
||||
('CODE39', 'ABC-1234-$$-+A'),
|
||||
('CODE39', '*WIKIPEDIA*'),
|
||||
('ITF', '010203040506070809'),
|
||||
('ITF', '11221133113344556677889900'),
|
||||
('CODABAR', 'A2030405060B'),
|
||||
('CODABAR', 'C11221133113344556677889900D'),
|
||||
('CODABAR', 'D0D'),
|
||||
('NW7', 'A2030405060B'),
|
||||
('NW7', 'C11221133113344556677889900D'),
|
||||
('NW7', 'D0D'),
|
||||
('CODE93', 'A2030405060B'),
|
||||
('CODE93', '+:$&23-7@$'),
|
||||
('CODE93', 'D0D'),
|
||||
('CODE128', '{A2030405060B'),
|
||||
('CODE128', '{C+:$&23-7@$'),
|
||||
('CODE128', '{B0D'),
|
||||
('GS1-128', '{A2030405060B'),
|
||||
('GS1-128', '{C+:$&23-7@$'),
|
||||
('GS1-128', '{B0D'),
|
||||
('GS1 DATABAR OMNIDIRECTIONAL', '0123456789123'),
|
||||
('GS1 DATABAR TRUNCATED', '0123456789123'),
|
||||
('GS1 DATABAR LIMITED', '0123456789123'),
|
||||
('GS1 DATABAR EXPANDED', '(9A{A20304+-%&06a0B'),
|
||||
('GS1 DATABAR EXPANDED', '(1 {C+:&23-7%'),
|
||||
('GS1 DATABAR EXPANDED', '(00000001234567678'),
|
||||
])
|
||||
def test_check_valid_barcode(bctype, data):
|
||||
assert (printer.Escpos.check_barcode(bctype, data))
|
||||
|
||||
|
||||
@pytest.mark.parametrize("bctype,data", [
|
||||
('UPC-A', '01234567890123'), # too long
|
||||
('UPC-A', '0123456789'), # too short
|
||||
('UPC-A', '72527273-711'), # invalid '-'
|
||||
('UPC-A', 'A12345678901'), # invalid 'A'
|
||||
('UPC-E', '01234567890123'), # too long
|
||||
('UPC-E', '012345'), # too short
|
||||
('UPC-E', '72527-2'), # invalid '-'
|
||||
('UPC-E', 'A123456'), # invalid 'A'
|
||||
('EAN13', '0123456789'), # too short
|
||||
('EAN13', 'A123456789012'), # invalid 'A'
|
||||
('EAN13', '012345678901234'), # too long
|
||||
('EAN8', '012345'), # too short
|
||||
('EAN8', 'A123456789012'), # invalid 'A'
|
||||
('EAN8', '012345678901234'), # too long
|
||||
('CODE39', 'ALKJ_34'), # invalid '_'
|
||||
('CODE39', 'A' * 256), # too long
|
||||
('ITF', '010203040'), # odd length
|
||||
('ITF', '0' * 256), # too long
|
||||
('ITF', 'AB01'), # invalid 'A'
|
||||
('CODABAR', '010203040'), # no start/stop
|
||||
('CODABAR', '0' * 256), # too long
|
||||
('CODABAR', 'AB-01F'), # invalid 'B'
|
||||
('NW7', '010203040'), # no start/stop
|
||||
('NW7', '0' * 256), # too long
|
||||
('NW7', 'AB-01F'), # invalid 'B'
|
||||
('CODE93', 'é010203040'), # invalid 'é'
|
||||
('CODE93', '0' * 256), # too long
|
||||
('CODE128', '010203040'), # missing leading {
|
||||
('CODE128', '{D2354AA'), # second char not between A-C
|
||||
('CODE128', '0' * 256), # too long
|
||||
('GS1-128', '010203040'), # missing leading {
|
||||
('GS1-128', '{D2354AA'), # second char not between A-C
|
||||
('GS1-128', '0' * 256), # too long
|
||||
('GS1 DATABAR OMNIDIRECTIONAL', '01234567891234'), # too long
|
||||
('GS1 DATABAR OMNIDIRECTIONAL', '012345678912'), # too short
|
||||
('GS1 DATABAR OMNIDIRECTIONAL', '012345678A1234'), # invalid 'A'
|
||||
('GS1 DATABAR TRUNCATED', '01234567891234'), # too long
|
||||
('GS1 DATABAR TRUNCATED', '012345678912'), # too short
|
||||
('GS1 DATABAR TRUNCATED', '012345678A1234'), # invalid 'A'
|
||||
('GS1 DATABAR LIMITED', '01234567891234'), # too long
|
||||
('GS1 DATABAR LIMITED', '012345678912'), # too short
|
||||
('GS1 DATABAR LIMITED', '012345678A1234'), # invalid 'A'
|
||||
('GS1 DATABAR LIMITED', '02345678912341'), # invalid start (should be 01)
|
||||
('GS1 DATABAR EXPANDED', '010203040'), # missing leading (
|
||||
('GS1-128', '(' + ('0' * 256)), # too long
|
||||
('GS1 DATABAR EXPANDED', '(a{D2354AA'), # second char not between 0-9
|
||||
('GS1 DATABAR EXPANDED', 'IT will fail'), # first char not '('
|
||||
])
|
||||
def test_check_invalid_barcode(bctype, data):
|
||||
assert (not printer.Escpos.check_barcode(bctype, data))
|
||||
|
|
@ -145,10 +145,8 @@ def test_large_graphics():
|
|||
assert(instance.output == b'\x1dv0\x00\x01\x00\x01\x00\xc0\x1dv0\x00\x01\x00\x01\x00\x00')
|
||||
|
||||
|
||||
def test_width_too_large():
|
||||
"""
|
||||
Test printing an image that is too large in width.
|
||||
"""
|
||||
@pytest.fixture
|
||||
def dummy_with_width():
|
||||
instance = printer.Dummy()
|
||||
instance.profile.profile_data = {
|
||||
'media': {
|
||||
|
|
@ -157,8 +155,25 @@ def test_width_too_large():
|
|||
}
|
||||
}
|
||||
}
|
||||
return instance
|
||||
|
||||
|
||||
def test_width_too_large(dummy_with_width):
|
||||
"""
|
||||
Test printing an image that is too large in width.
|
||||
"""
|
||||
instance = dummy_with_width
|
||||
|
||||
with pytest.raises(ImageWidthError):
|
||||
instance.image(Image.new("RGB", (385, 200)))
|
||||
|
||||
instance.image(Image.new("RGB", (384, 200)))
|
||||
|
||||
|
||||
def test_center_image(dummy_with_width):
|
||||
instance = dummy_with_width
|
||||
|
||||
with pytest.raises(ImageWidthError):
|
||||
instance.image(Image.new("RGB", (385, 200)), center=True)
|
||||
|
||||
instance.image(Image.new("RGB", (384, 200)), center=True)
|
||||
|
|
|
|||
|
|
@ -13,6 +13,8 @@ from __future__ import print_function
|
|||
from __future__ import unicode_literals
|
||||
|
||||
from nose.tools import raises
|
||||
import pytest
|
||||
|
||||
import escpos.printer as printer
|
||||
from escpos.constants import QR_ECLEVEL_H, QR_MODEL_1
|
||||
|
||||
|
|
@ -25,7 +27,6 @@ def test_defaults():
|
|||
b'(k\x07\x001P01234\x1d(k\x03\x001Q0'
|
||||
assert(instance.output == expected)
|
||||
|
||||
|
||||
def test_empty():
|
||||
"""Test QR printing blank code"""
|
||||
instance = printer.Dummy()
|
||||
|
|
@ -99,3 +100,13 @@ def test_image_invalid_model():
|
|||
"""Test unsupported QR model as image"""
|
||||
instance = printer.Dummy()
|
||||
instance.qr("1234", native=False, model=QR_MODEL_1)
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def instance():
|
||||
return printer.Dummy()
|
||||
|
||||
|
||||
def test_center_not_implementer(instance):
|
||||
with pytest.raises(NotImplementedError):
|
||||
instance.qr("test", center=True, native=True)
|
||||
|
|
@ -13,6 +13,7 @@ from __future__ import division
|
|||
from __future__ import print_function
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import pytest
|
||||
import mock
|
||||
|
||||
from escpos.printer import Dummy
|
||||
|
|
@ -30,3 +31,12 @@ def test_type_of_object_passed_to_image_function(img_function):
|
|||
d.qr("LoremIpsum")
|
||||
args, kwargs = img_function.call_args
|
||||
assert isinstance(args[0], Image.Image)
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def instance():
|
||||
return Dummy()
|
||||
|
||||
|
||||
def test_center(instance):
|
||||
instance.qr("LoremIpsum", center=True)
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@ from __future__ import unicode_literals
|
|||
import six
|
||||
|
||||
import pytest
|
||||
from hypothesis import given
|
||||
from hypothesis import given, settings
|
||||
from hypothesis.strategies import text
|
||||
|
||||
import escpos.printer as printer
|
||||
|
|
@ -27,6 +27,7 @@ else:
|
|||
mock_open_call = '__builtin__.open'
|
||||
|
||||
|
||||
@settings(use_coverage=False)
|
||||
@given(path=text())
|
||||
def test_load_file_printer(mocker, path):
|
||||
"""test the loading of the file-printer"""
|
||||
|
|
@ -37,6 +38,7 @@ def test_load_file_printer(mocker, path):
|
|||
mock_open.assert_called_with(path, "wb")
|
||||
|
||||
|
||||
@settings(deadline=None, use_coverage=False)
|
||||
@given(txt=text())
|
||||
def test_auto_flush(mocker, txt):
|
||||
"""test auto_flush in file-printer"""
|
||||
|
|
@ -57,6 +59,7 @@ def test_auto_flush(mocker, txt):
|
|||
assert mock_device.flush.called
|
||||
|
||||
|
||||
@settings(deadline=None, use_coverage=False)
|
||||
@given(txt=text())
|
||||
def test_flush_on_close(mocker, txt):
|
||||
"""test flush on close in file-printer"""
|
||||
|
|
|
|||
|
|
@ -0,0 +1,32 @@
|
|||
#!/usr/bin/python
|
||||
"""test the raising of errors with the error module
|
||||
|
||||
:author: `Patrick Kanzler <patrick.kanzler@fablab.fau.de>`_
|
||||
:organization: `python-escpos <https://github.com/python-escpos>`_
|
||||
:copyright: Copyright (c) 2017 `python-escpos <https://github.com/python-escpos>`_
|
||||
:license: MIT
|
||||
"""
|
||||
|
||||
from __future__ import absolute_import
|
||||
from __future__ import division
|
||||
from __future__ import print_function
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import pytest
|
||||
import escpos
|
||||
import escpos.exceptions
|
||||
|
||||
|
||||
def test_raise_error_wrongly():
|
||||
"""raise error the wrong way
|
||||
|
||||
should reproduce https://github.com/python-escpos/python-escpos/issues/257
|
||||
"""
|
||||
with pytest.raises(AttributeError):
|
||||
raise escpos.Error("This should raise an AttributeError.")
|
||||
|
||||
|
||||
def tests_raise_error():
|
||||
"""raise error the right way"""
|
||||
with pytest.raises(escpos.exceptions.Error):
|
||||
raise escpos.exceptions.Error("This should raise an error.")
|
||||
Loading…
Reference in New Issue