alpha release v3.0a2
This commit is contained in:
Patrick Kanzler
GitHub
commit
af29fcca77
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@ -0,0 +1,11 @@
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<dev@pkanzler.de> <patrick.kanzler@fablab.fau.de>
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<manpaz@gmail.com> <manpaz@bashlinux.com>
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Manuel F Martinez <manpaz@gmail.com> manpaz <manpaz@bashlinux.com>
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<emailofdavis@gmail.com> <davis.goglin@oregonicecream.com>
|
||||
Davis Goglin <emailofdavis@gmail.com> davisgoglin <emailofdavis@gmail.com>
|
||||
Michael Billington <michael.billington@gmail.com> Michael <michael.billington@gmail.com>
|
||||
Cody (Quantified Code Bot) <cody@quantifiedcode.com> Cody <cody@quantifiedcode.com>
|
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Renato Lorenzi <renato.lorenzi@senior.com.br> Renato.Lorenzi <renato.lorenzi@senior.com.br>
|
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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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@ -1,6 +1,8 @@
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language: python
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sudo: false
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cache: pip
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git:
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depth: 100000
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addons:
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apt:
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packages:
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@ -37,6 +39,7 @@ matrix:
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- python: pypy3
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before_install:
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- pip install tox codecov 'sphinx>=1.5.1'
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- ./doc/generate_authors.sh --check
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script:
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- tox
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- codecov
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|
|
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|
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@ -0,0 +1,28 @@
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Ahmed Tahri
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||||
Asuki Kono
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||||
belono
|
||||
Christoph Heuel
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||||
Cody (Quantified Code Bot)
|
||||
csoft2k
|
||||
Curtis // mashedkeyboard
|
||||
Davis Goglin
|
||||
Dean Rispin
|
||||
Dmytro Katyukha
|
||||
Hark
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||||
Joel Lehtonen
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||||
Kristi
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ldos
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Manuel F Martinez
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Michael Billington
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Michael Elsdörfer
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mrwunderbar666
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Nathan Bookham
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Patrick Kanzler
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Qian Linfeng
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Renato Lorenzi
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||||
Romain Porte
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Sam Cheng
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||||
Stephan Sokolow
|
||||
Thijs Triemstra
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Thomas van den Berg
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ysuolmai
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|
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@ -2,6 +2,37 @@
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Changelog
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*********
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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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This release is the third 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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- refactor of the set-method
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- preliminary support of POS "line display" printing
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- improvement of tests
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- added ImageWidthError
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- list authors in repository
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- add support for software-based barcode-rendering
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- fix SerialException when trying to close device on __del__
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- added the DLE EOT querying command for USB and Serial
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- ensure QR codes have a large enough border
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- make feed for cut optional
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- fix the behavior of horizontal tabs
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- added test script for hard an soft barcodes
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- implemented paper sensor querying command
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- added weather forecast example script
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- added a method for simpler newlines
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|
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contributors
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^^^^^^^^^^^^
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- csoft2k
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- Patrick Kanzler
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- mrwunderbar666
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- Romain Porte
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- Ahmed Tahri
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2017-03-29 - Version 3.0a1 - "Headcrash"
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----------------------------------------
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This release is the second alpha release of the new version 3.0. Please
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|
|
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@ -12,6 +12,15 @@ The pull requests and issues will be prefilled with templates. Please fill in yo
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This project uses `semantic versioning <http://semver.org/>`_ and tries to adhere to the proposed rules as
|
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well as possible.
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Author-list
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-----------
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This project keeps a list of authors. This can be auto-generated by calling `./doc/generate-authors.sh`.
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When contributing the first time, please include a commit with the output of this script in place.
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Otherwise the integration-check will fail.
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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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Style-Guide
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-----------
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|
|
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13
README.rst
13
README.rst
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@ -6,10 +6,6 @@ python-escpos - Python library to manipulate ESC/POS Printers
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:target: https://travis-ci.org/python-escpos/python-escpos
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:alt: Continous Integration
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.. image:: https://www.quantifiedcode.com/api/v1/project/95748b89a3974700800b85e4ed3d32c4/badge.svg
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:target: https://www.quantifiedcode.com/app/project/95748b89a3974700800b85e4ed3d32c4
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:alt: Code issues
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.. image:: https://landscape.io/github/python-escpos/python-escpos/master/landscape.svg?style=flat
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:target: https://landscape.io/github/python-escpos/python-escpos/master
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:alt: Code Health
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@ -47,10 +43,11 @@ Dependencies
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This library makes use of:
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* pyusb for USB-printers
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* Pillow for image printing
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* qrcode for the generation of QR-codes
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* pyserial for serial printers
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* `pyusb <https://github.com/walac/pyusb>`_ for USB-printers
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* `Pillow <https://github.com/python-pillow/Pillow>`_ for image printing
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* `qrcode <https://github.com/lincolnloop/python-qrcode>`_ for the generation of QR-codes
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* `pyserial <https://github.com/pyserial/pyserial>`_ for serial printers
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* `viivakoodi <https://github.com/kxepal/viivakoodi>`_ for the generation of barcodes
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Documentation and Usage
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-----------------------
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@ -0,0 +1,19 @@
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#!/bin/sh
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GENLIST=$(git shortlog -s -n | cut -f2 | sort)
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AUTHORSFILE="$(dirname $0)/../AUTHORS"
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TEMPAUTHORSFILE="/tmp/python-escpos-authorsfile"
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if [ "$#" -eq 1 ]
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then
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echo "$GENLIST">$TEMPAUTHORSFILE
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echo "\nAuthorsfile in version control:\n"
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cat $AUTHORSFILE
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echo "\nNew authorsfile:\n"
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cat $TEMPAUTHORSFILE
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echo "\nUsing diff on files...\n"
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diff -q --from-file $AUTHORSFILE $TEMPAUTHORSFILE
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else
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echo "$GENLIST">$AUTHORSFILE
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fi
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@ -5,3 +5,4 @@ pyserial
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sphinx-rtd-theme
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setuptools-scm
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docutils>=0.12
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viivakoodi
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|
|
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|
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@ -1,6 +1,7 @@
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*****
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Usage
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*****
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:Last Reviewed: 2017-06-10
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Define your printer
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-------------------
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@ -133,13 +134,13 @@ format. For windows it is probably at::
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And for linux::
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$HOME/.config/python-escpos/config.yaml
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$HOME/.config/python-escpos/config.yaml
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If you aren't sure, run::
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from escpos import config
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c = config.Config()
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c.load()
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from escpos import config
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c = config.Config()
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c.load()
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If it can't find the configuration file in the default location, it will tell
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you where it's looking. You can always pass a path, or a list of paths, to
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@ -147,9 +148,9 @@ the ``load()`` method.
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To load the configured printer, run::
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from escpos import config
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c = config.Config()
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printer = c.printer()
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from escpos import config
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c = config.Config()
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printer = c.printer()
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The printer section
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@ -157,23 +158,34 @@ The printer section
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The ``printer`` configuration section defines a default printer to create.
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The only required paramter is ``type``. The value of this should be one of the
|
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The only required paramter is ``type``. The value of this has to be one of the
|
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printers defined in :doc:`/user/printers`.
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The rest of the parameters are whatever you want to pass to the printer.
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The rest of the given parameters will be passed on to the initialization of the printer class.
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Use these to overwrite the default values as specified in :doc:`/user/printers`.
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This implies that the parameters have to match the parameter-names of the respective printer class.
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An example file printer::
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printer:
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type: File
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devfile: /dev/someprinter
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printer:
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type: File
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devfile: /dev/someprinter
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And for a network printer::
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printer:
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type: network
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host: 127.0.0.1
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port: 9000
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printer:
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type: Network
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host: 127.0.0.1
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port: 9000
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An USB-printer could be defined by::
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printer:
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type: Usb
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idVendor: 0x1234
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idProduct: 0x5678
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in_ep: 0x66
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out_ep: 0x01
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Printing text right
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-------------------
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@ -0,0 +1,11 @@
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from escpos.printer import Usb
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# Adapt to your needs
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p = Usb(0x0416, 0x5011, profile="POS-5890")
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# Print software and then hardware barcode with the same content
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p.soft_barcode('code39', '123456')
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p.text('\n')
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p.text('\n')
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p.barcode('123456', 'CODE39')
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@ -0,0 +1,10 @@
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# Climacons by Adam Whitcroft
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75 climatically categorised pictographs for web and UI design by [@adamwhitcroft](http://www.twitter.com/#!/adamwhitcroft).
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|
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Visit the [Climacons](http://adamwhitcroft.com/climacons/) website for more information.
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Visit [Adam Whitcroft on GitHub](https://github.com/AdamWhitcroft)
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|
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## License
|
||||
You are free to use any of the Climacons Icons (the "icons") in any personal or commercial work without obligation of payment (monetary or otherwise) or attribution, however a credit for the work would be appreciated. **Do not** redistribute or sell and **do not** claim creative credit. Intellectual property rights are not transferred with the download of the icons.
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@ -0,0 +1,19 @@
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import sys
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from escpos.printer import Usb
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def usage():
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print("usage: qr_code.py <content>")
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if __name__ == '__main__':
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if len(sys.argv) != 2:
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usage()
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sys.exit(1)
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content = sys.argv[1]
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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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@ -0,0 +1,9 @@
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from escpos.printer import Usb
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# Adapt to your needs
|
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p = Usb(0x0416, 0x5011, profile="POS-5890")
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# Some software barcodes
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p.soft_barcode('code128', 'Hello')
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p.soft_barcode('code39', '123456')
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@ -0,0 +1,127 @@
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#!/usr/bin/python
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|
||||
# Adapted script from Adafruit
|
||||
# Weather forecast for Raspberry Pi w/Adafruit Mini Thermal Printer.
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# Retrieves data from DarkSky.net's API, prints current conditions and
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# forecasts for next two days.
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# Weather example using nice bitmaps.
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# Written by Adafruit Industries. MIT license.
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# Adapted and enhanced for escpos library by MrWunderbar666
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# Icons taken from http://adamwhitcroft.com/climacons/
|
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# Check out his github: https://github.com/AdamWhitcroft/climacons
|
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|
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from __future__ import print_function
|
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from datetime import datetime
|
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import calendar
|
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import urllib
|
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import json
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import time
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import os
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from escpos.printer import Usb
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|
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""" Setting up the main pathing """
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this_dir, this_filename = os.path.split(__file__)
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GRAPHICS_PATH = os.path.join(this_dir, "graphics/climacons/")
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# Adapt to your needs
|
||||
printer = Usb(0x0416, 0x5011, profile="POS-5890")
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|
||||
# You can get your API Key on www.darksky.net and register a dev account.
|
||||
# Technically you can use any other weather service, of course :)
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API_KEY = "YOUR API KEY"
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|
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LAT = "22.345490" # Your Location
|
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LONG = "114.189945" # Your Location
|
||||
|
||||
|
||||
def forecast_icon(idx):
|
||||
icon = data['daily']['data'][idx]['icon']
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image = GRAPHICS_PATH + icon + ".png"
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return image
|
||||
|
||||
|
||||
# Dumps one forecast line to the printer
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||||
def forecast(idx):
|
||||
date = datetime.fromtimestamp(int(data['daily']['data'][idx]['time']))
|
||||
day = calendar.day_name[date.weekday()]
|
||||
lo = data['daily']['data'][idx]['temperatureMin']
|
||||
hi = data['daily']['data'][idx]['temperatureMax']
|
||||
cond = data['daily']['data'][idx]['summary']
|
||||
print(date)
|
||||
print(day)
|
||||
print(lo)
|
||||
print(hi)
|
||||
print(cond)
|
||||
time.sleep(1)
|
||||
printer.set(
|
||||
font='a',
|
||||
height=2,
|
||||
align='left',
|
||||
bold=False,
|
||||
double_height=False)
|
||||
printer.text(day + ' \n ')
|
||||
time.sleep(5) # Sleep to prevent printer buffer overflow
|
||||
printer.text('\n')
|
||||
printer.image(forecast_icon(idx))
|
||||
printer.text('low ' + str(lo))
|
||||
printer.text(deg)
|
||||
printer.text('\n')
|
||||
printer.text(' high ' + str(hi))
|
||||
printer.text(deg)
|
||||
printer.text('\n')
|
||||
# take care of pesky unicode dash
|
||||
printer.text(cond.replace(u'\u2013', '-').encode('utf-8'))
|
||||
printer.text('\n \n')
|
||||
|
||||
|
||||
def icon():
|
||||
icon = data['currently']['icon']
|
||||
image = GRAPHICS_PATH + icon + ".png"
|
||||
return image
|
||||
|
||||
|
||||
deg = ' C' # Degree symbol on thermal printer, need to find a better way to use a proper degree symbol
|
||||
|
||||
# if you want Fahrenheit change units= to 'us'
|
||||
url = "https://api.darksky.net/forecast/" + API_KEY + "/" + LAT + "," + LONG + \
|
||||
"?exclude=[alerts,minutely,hourly,flags]&units=si" # change last bit to 'us' for Fahrenheit
|
||||
response = urllib.urlopen(url)
|
||||
data = json.loads(response.read())
|
||||
|
||||
printer.print_and_feed(n=1)
|
||||
printer.control("LF")
|
||||
printer.set(font='a', height=2, align='center', bold=True, double_height=True)
|
||||
printer.text("Weather Forecast")
|
||||
printer.text("\n")
|
||||
printer.set(align='center')
|
||||
|
||||
|
||||
# Print current conditions
|
||||
printer.set(font='a', height=2, align='center', bold=True, double_height=False)
|
||||
printer.text('Current conditions: \n')
|
||||
printer.image(icon())
|
||||
printer.text("\n")
|
||||
|
||||
printer.set(font='a', height=2, align='left', bold=False, double_height=False)
|
||||
temp = data['currently']['temperature']
|
||||
cond = data['currently']['summary']
|
||||
printer.text(temp)
|
||||
printer.text(' ')
|
||||
printer.text(deg)
|
||||
printer.text(' ')
|
||||
printer.text('\n')
|
||||
printer.text('Sky: ' + cond)
|
||||
printer.text('\n')
|
||||
printer.text('\n')
|
||||
|
||||
# Print forecast
|
||||
printer.set(font='a', height=2, align='center', bold=True, double_height=False)
|
||||
printer.text('Forecast: \n')
|
||||
forecast(0)
|
||||
forecast(1)
|
||||
printer.cut
|
||||
printer.control("LF")
|
||||
7
setup.py
7
setup.py
|
|
@ -100,6 +100,8 @@ setup(
|
|||
'Programming Language :: Python :: 3.3',
|
||||
'Programming Language :: Python :: 3.4',
|
||||
'Programming Language :: Python :: 3.5',
|
||||
'Programming Language :: Python :: 3.6',
|
||||
'Programming Language :: Python :: 3.7',
|
||||
'Programming Language :: Python :: Implementation :: CPython',
|
||||
'Programming Language :: Python :: Implementation :: PyPy',
|
||||
'Topic :: Software Development :: Libraries :: Python Modules',
|
||||
|
|
@ -115,7 +117,8 @@ setup(
|
|||
'pyyaml',
|
||||
'argparse',
|
||||
'argcomplete',
|
||||
'future'
|
||||
'future',
|
||||
'viivakoodi>=0.8'
|
||||
],
|
||||
setup_requires=[
|
||||
'setuptools_scm',
|
||||
|
|
@ -123,7 +126,7 @@ setup(
|
|||
tests_require=[
|
||||
'jaconv',
|
||||
'tox',
|
||||
'pytest',
|
||||
'pytest!=3.2.0',
|
||||
'pytest-cov',
|
||||
'pytest-mock',
|
||||
'nose',
|
||||
|
|
|
|||
|
|
@ -64,6 +64,11 @@ _PANEL_BUTTON = lambda n: ESC + b'c5' + six.int2byte(n)
|
|||
PANEL_BUTTON_ON = _PANEL_BUTTON(0) # enable all panel buttons
|
||||
PANEL_BUTTON_OFF = _PANEL_BUTTON(1) # disable all panel buttons
|
||||
|
||||
# Line display printing
|
||||
LINE_DISPLAY_OPEN = ESC + b'\x3d\x02'
|
||||
LINE_DISPLAY_CLEAR = ESC + b'\x40'
|
||||
LINE_DISPLAY_CLOSE = ESC + b'\x3d\x01'
|
||||
|
||||
# Sheet modes
|
||||
SHEET_SLIP_MODE = ESC + b'\x63\x30\x04' # slip paper
|
||||
SHEET_ROLL_MODE = ESC + b'\x63\x30\x01' # paper roll
|
||||
|
|
@ -71,51 +76,90 @@ SHEET_ROLL_MODE = ESC + b'\x63\x30\x01' # paper roll
|
|||
# Text format
|
||||
# TODO: Acquire the "ESC/POS Application Programming Guide for Paper Roll
|
||||
# Printers" and tidy up this stuff too.
|
||||
TXT_FLIP_ON = ESC + b'\x7b\x01'
|
||||
TXT_FLIP_OFF = ESC + b'\x7b\x00'
|
||||
TXT_SMOOTH_ON = GS + b'\x62\x01'
|
||||
TXT_SMOOTH_OFF = GS + b'\x62\x00'
|
||||
TXT_SIZE = GS + b'!'
|
||||
TXT_WIDTH = {1: 0x00,
|
||||
2: 0x10,
|
||||
3: 0x20,
|
||||
4: 0x30,
|
||||
5: 0x40,
|
||||
6: 0x50,
|
||||
7: 0x60,
|
||||
8: 0x70}
|
||||
TXT_HEIGHT = {1: 0x00,
|
||||
2: 0x01,
|
||||
3: 0x02,
|
||||
4: 0x03,
|
||||
5: 0x04,
|
||||
6: 0x05,
|
||||
7: 0x06,
|
||||
8: 0x07}
|
||||
|
||||
TXT_NORMAL = ESC + b'!\x00' # Normal text
|
||||
TXT_2HEIGHT = ESC + b'!\x10' # Double height text
|
||||
TXT_2WIDTH = ESC + b'!\x20' # Double width text
|
||||
TXT_4SQUARE = ESC + b'!\x30' # Quad area text
|
||||
TXT_UNDERL_OFF = ESC + b'\x2d\x00' # Underline font OFF
|
||||
TXT_UNDERL_ON = ESC + b'\x2d\x01' # Underline font 1-dot ON
|
||||
TXT_UNDERL2_ON = ESC + b'\x2d\x02' # Underline font 2-dot ON
|
||||
TXT_BOLD_OFF = ESC + b'\x45\x00' # Bold font OFF
|
||||
TXT_BOLD_ON = ESC + b'\x45\x01' # Bold font ON
|
||||
TXT_ALIGN_LT = ESC + b'\x61\x00' # Left justification
|
||||
TXT_ALIGN_CT = ESC + b'\x61\x01' # Centering
|
||||
TXT_ALIGN_RT = ESC + b'\x61\x02' # Right justification
|
||||
TXT_INVERT_ON = GS + b'\x42\x01' # Inverse Printing ON
|
||||
TXT_INVERT_OFF = GS + b'\x42\x00' # Inverse Printing OFF
|
||||
|
||||
|
||||
TXT_STYLE = {
|
||||
'bold': {
|
||||
False: ESC + b'\x45\x00', # Bold font OFF
|
||||
True: ESC + b'\x45\x01' # Bold font ON
|
||||
},
|
||||
'underline': {
|
||||
0: ESC + b'\x2d\x00', # Underline font OFF
|
||||
1: ESC + b'\x2d\x01', # Underline font 1-dot ON
|
||||
2: ESC + b'\x2d\x02' # Underline font 2-dot ON
|
||||
},
|
||||
'size': {
|
||||
'normal': TXT_NORMAL + ESC + b'!\x00', # Normal text
|
||||
'2h': TXT_NORMAL + ESC + b'!\x10', # Double height text
|
||||
'2w': TXT_NORMAL + ESC + b'!\x20', # Double width text
|
||||
'2x': TXT_NORMAL + ESC + b'!\x30' # Quad area text
|
||||
},
|
||||
'font': {
|
||||
'a': ESC + b'\x4d\x00', # Font type A
|
||||
'b': ESC + b'\x4d\x00' # Font type B
|
||||
},
|
||||
'align': {
|
||||
'left': ESC + b'\x61\x00', # Left justification
|
||||
'center': ESC + b'\x61\x01', # Centering
|
||||
'right': ESC + b'\x61\x02' # Right justification
|
||||
},
|
||||
'invert': {
|
||||
True: GS + b'\x42\x01', # Inverse Printing ON
|
||||
False: GS + b'\x42\x00' # Inverse Printing OFF
|
||||
},
|
||||
'color': {
|
||||
'black': ESC + b'\x72\x00', # Default Color
|
||||
'red': ESC + b'\x72\x01' # Alternative Color, Usually Red
|
||||
},
|
||||
'flip': {
|
||||
True: ESC + b'\x7b\x01', # Flip ON
|
||||
False: ESC + b'\x7b\x00' # Flip OFF
|
||||
},
|
||||
'density': {
|
||||
0: GS + b'\x7c\x00', # Printing Density -50%
|
||||
1: GS + b'\x7c\x01', # Printing Density -37.5%
|
||||
2: GS + b'\x7c\x02', # Printing Density -25%
|
||||
3: GS + b'\x7c\x03', # Printing Density -12.5%
|
||||
4: GS + b'\x7c\x04', # Printing Density 0%
|
||||
5: GS + b'\x7c\x08', # Printing Density +50%
|
||||
6: GS + b'\x7c\x07', # Printing Density +37.5%
|
||||
7: GS + b'\x7c\x06', # Printing Density +25%
|
||||
8: GS + b'\x7c\x05' # Printing Density +12.5%
|
||||
},
|
||||
'smooth': {
|
||||
True: GS + b'\x62\x01', # Smooth ON
|
||||
False: GS + b'\x62\x00' # Smooth OFF
|
||||
},
|
||||
'height': { # Custom text height
|
||||
1: 0x00,
|
||||
2: 0x01,
|
||||
3: 0x02,
|
||||
4: 0x03,
|
||||
5: 0x04,
|
||||
6: 0x05,
|
||||
7: 0x06,
|
||||
8: 0x07
|
||||
},
|
||||
'width': { # Custom text width
|
||||
1: 0x00,
|
||||
2: 0x10,
|
||||
3: 0x20,
|
||||
4: 0x30,
|
||||
5: 0x40,
|
||||
6: 0x50,
|
||||
7: 0x60,
|
||||
8: 0x70
|
||||
}
|
||||
}
|
||||
|
||||
# Fonts
|
||||
SET_FONT = lambda n: ESC + b'\x4d' + n
|
||||
TXT_FONT_A = SET_FONT(b'\x00') # Font type A
|
||||
TXT_FONT_B = SET_FONT(b'\x01') # Font type B
|
||||
|
||||
# Text colors
|
||||
TXT_COLOR_BLACK = ESC + b'\x72\x00' # Default Color
|
||||
TXT_COLOR_RED = ESC + b'\x72\x01' # Alternative Color (Usually Red)
|
||||
|
||||
# Spacing
|
||||
LINESPACING_RESET = ESC + b'2'
|
||||
LINESPACING_FUNCS = {
|
||||
|
|
@ -206,13 +250,11 @@ S_RASTER_2W = _PRINT_RASTER_IMG(b'\x01') # Set raster image double width
|
|||
S_RASTER_2H = _PRINT_RASTER_IMG(b'\x02') # Set raster image double height
|
||||
S_RASTER_Q = _PRINT_RASTER_IMG(b'\x03') # Set raster image quadruple
|
||||
|
||||
# Printing Density
|
||||
PD_N50 = GS + b'\x7c\x00' # Printing Density -50%
|
||||
PD_N37 = GS + b'\x7c\x01' # Printing Density -37.5%
|
||||
PD_N25 = GS + b'\x7c\x02' # Printing Density -25%
|
||||
PD_N12 = GS + b'\x7c\x03' # Printing Density -12.5%
|
||||
PD_0 = GS + b'\x7c\x04' # Printing Density 0%
|
||||
PD_P50 = GS + b'\x7c\x08' # Printing Density +50%
|
||||
PD_P37 = GS + b'\x7c\x07' # Printing Density +37.5%
|
||||
PD_P25 = GS + b'\x7c\x06' # Printing Density +25%
|
||||
PD_P12 = GS + b'\x7c\x05' # Printing Density +12.5%
|
||||
# Status Command
|
||||
RT_STATUS = DLE + EOT
|
||||
RT_STATUS_ONLINE = RT_STATUS + b'\x01'
|
||||
RT_STATUS_PAPER = RT_STATUS + b'\x04'
|
||||
RT_MASK_ONLINE = 8
|
||||
RT_MASK_PAPER = 18
|
||||
RT_MASK_LOWPAPER = 30
|
||||
RT_MASK_NOPAPER = 114
|
||||
|
|
@ -18,22 +18,29 @@ from __future__ import unicode_literals
|
|||
import qrcode
|
||||
import textwrap
|
||||
import six
|
||||
import time
|
||||
|
||||
import barcode
|
||||
from barcode.writer import ImageWriter
|
||||
|
||||
from .constants import ESC, GS, NUL, QR_ECLEVEL_L, QR_ECLEVEL_M, QR_ECLEVEL_H, QR_ECLEVEL_Q
|
||||
from .constants import QR_MODEL_1, QR_MODEL_2, QR_MICRO, BARCODE_TYPES, BARCODE_HEIGHT, BARCODE_WIDTH
|
||||
from .constants import TXT_ALIGN_CT, TXT_ALIGN_LT, TXT_ALIGN_RT, BARCODE_FONT_A, BARCODE_FONT_B
|
||||
from .constants import BARCODE_FONT_A, BARCODE_FONT_B
|
||||
from .constants import BARCODE_TXT_OFF, BARCODE_TXT_BTH, BARCODE_TXT_ABV, BARCODE_TXT_BLW
|
||||
from .constants import TXT_HEIGHT, TXT_WIDTH, TXT_SIZE, TXT_NORMAL, TXT_SMOOTH_OFF, TXT_SMOOTH_ON
|
||||
from .constants import TXT_FLIP_OFF, TXT_FLIP_ON, TXT_2WIDTH, TXT_2HEIGHT, TXT_4SQUARE
|
||||
from .constants import TXT_UNDERL_OFF, TXT_UNDERL_ON, TXT_BOLD_OFF, TXT_BOLD_ON, SET_FONT, TXT_UNDERL2_ON
|
||||
from .constants import TXT_INVERT_OFF, TXT_INVERT_ON, LINESPACING_FUNCS, LINESPACING_RESET
|
||||
from .constants import PD_0, PD_N12, PD_N25, PD_N37, PD_N50, PD_P50, PD_P37, PD_P25, PD_P12
|
||||
from .constants import TXT_SIZE, TXT_NORMAL
|
||||
from .constants import SET_FONT
|
||||
from .constants import LINESPACING_FUNCS, LINESPACING_RESET
|
||||
from .constants import LINE_DISPLAY_OPEN, LINE_DISPLAY_CLEAR, LINE_DISPLAY_CLOSE
|
||||
from .constants import CD_KICK_DEC_SEQUENCE, CD_KICK_5, CD_KICK_2, PAPER_FULL_CUT, PAPER_PART_CUT
|
||||
from .constants import HW_RESET, HW_SELECT, HW_INIT
|
||||
from .constants import CTL_VT, CTL_HT, 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 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 CashDrawerError, SetVariableError, BarcodeCodeError
|
||||
from .exceptions import ImageWidthError
|
||||
|
||||
from .magicencode import MagicEncode
|
||||
|
||||
|
|
@ -73,6 +80,12 @@ class Escpos(object):
|
|||
"""
|
||||
pass
|
||||
|
||||
def _read(self, msg):
|
||||
""" Returns a NotImplementedError if the instance of the class doesn't override this method.
|
||||
:raises NotImplementedError
|
||||
"""
|
||||
raise NotImplementedError()
|
||||
|
||||
def image(self, img_source, high_density_vertical=True, high_density_horizontal=True, impl="bitImageRaster",
|
||||
fragment_height=960):
|
||||
""" Print an image
|
||||
|
|
@ -99,6 +112,17 @@ class Escpos(object):
|
|||
"""
|
||||
im = EscposImage(img_source)
|
||||
|
||||
try:
|
||||
max_width = int(self.profile.profile_data['media']['width']['pixels'])
|
||||
if im.width > max_width:
|
||||
raise ImageWidthError('{} > {}'.format(im.width, max_width))
|
||||
except KeyError:
|
||||
# If the printer's pixel width is not known, print anyways...
|
||||
pass
|
||||
except ValueError:
|
||||
# If the max_width cannot be converted to an int, print anyways...
|
||||
pass
|
||||
|
||||
if im.height > fragment_height:
|
||||
fragments = im.split(fragment_height)
|
||||
for fragment in fragments:
|
||||
|
|
@ -188,7 +212,10 @@ class Escpos(object):
|
|||
qr_img = qr_code.make_image()
|
||||
im = qr_img._img.convert("RGB")
|
||||
# Convert the RGB image in printable image
|
||||
self.text('\n')
|
||||
self.image(im)
|
||||
self.text('\n')
|
||||
self.text('\n')
|
||||
return
|
||||
# Native 2D code printing
|
||||
cn = b'1' # Code type for QR code
|
||||
|
|
@ -224,9 +251,9 @@ class Escpos(object):
|
|||
"""
|
||||
max_input = (256 << (out_bytes * 8) - 1)
|
||||
if not 1 <= out_bytes <= 4:
|
||||
raise ValueError("Can only output 1-4 byes")
|
||||
raise ValueError("Can only output 1-4 bytes")
|
||||
if not 0 <= inp_number <= max_input:
|
||||
raise ValueError("Number too large. Can only output up to {0} in {1} byes".format(max_input, out_bytes))
|
||||
raise ValueError("Number too large. Can only output up to {0} in {1} bytes".format(max_input, out_bytes))
|
||||
outp = b''
|
||||
for _ in range(0, out_bytes):
|
||||
outp += six.int2byte(inp_number % 256)
|
||||
|
|
@ -356,7 +383,7 @@ class Escpos(object):
|
|||
|
||||
# Align Bar Code()
|
||||
if align_ct:
|
||||
self._raw(TXT_ALIGN_CT)
|
||||
self._raw(TXT_STYLE['align']['center'])
|
||||
# Height
|
||||
if 1 <= height <= 255:
|
||||
self._raw(BARCODE_HEIGHT + six.int2byte(height))
|
||||
|
|
@ -396,6 +423,31 @@ class Escpos(object):
|
|||
if function_type.upper() == "A":
|
||||
self._raw(NUL)
|
||||
|
||||
def soft_barcode(self, barcode_type, data, impl='bitImageColumn',
|
||||
module_height=5, module_width=0.2, text_distance=1):
|
||||
|
||||
image_writer = ImageWriter()
|
||||
|
||||
# Check if barcode type exists
|
||||
if barcode_type not in barcode.PROVIDED_BARCODES:
|
||||
raise BarcodeTypeError(
|
||||
'Barcode type {} not supported by software barcode renderer'
|
||||
.format(barcode_type))
|
||||
|
||||
# Render the barcode to a fake file
|
||||
barcode_class = barcode.get_barcode_class(barcode_type)
|
||||
my_code = barcode_class(data, writer=image_writer)
|
||||
|
||||
my_code.write("/dev/null", {
|
||||
'module_height': module_height,
|
||||
'module_width': module_width,
|
||||
'text_distance': text_distance
|
||||
})
|
||||
|
||||
# Retrieve the Pillow image and print it
|
||||
image = my_code.writer._image
|
||||
self.image(image, impl=impl)
|
||||
|
||||
def text(self, txt):
|
||||
""" Print alpha-numeric text
|
||||
|
||||
|
|
@ -408,132 +460,113 @@ class Escpos(object):
|
|||
txt = six.text_type(txt)
|
||||
self.magic.write(txt)
|
||||
|
||||
def textln(self, txt=''):
|
||||
"""Print alpha-numeric text with a newline
|
||||
|
||||
The text has to be encoded in the currently selected codepage.
|
||||
The input text has to be encoded in unicode.
|
||||
|
||||
:param txt: text to be printed with a newline
|
||||
:raises: :py:exc:`~escpos.exceptions.TextError`
|
||||
"""
|
||||
self.text('{}\n'.format(txt))
|
||||
|
||||
def ln(self, count=1):
|
||||
"""Print a newline or more
|
||||
|
||||
:param count: number of newlines to print
|
||||
:raises: :py:exc:`ValueError` if count < 0
|
||||
"""
|
||||
if count < 0:
|
||||
raise ValueError('Count cannot be lesser than 0')
|
||||
if count > 0:
|
||||
self.text('\n' * count)
|
||||
|
||||
def block_text(self, txt, font=None, columns=None):
|
||||
""" Text is printed wrapped to specified columns
|
||||
|
||||
Text has to be encoded in unicode.
|
||||
|
||||
:param txt: text to be printed
|
||||
:param font: font to be used, can be :code:`a` or :code`b`
|
||||
:param font: font to be used, can be :code:`a` or :code:`b`
|
||||
:param columns: amount of columns
|
||||
:return: None
|
||||
"""
|
||||
col_count = self.profile.get_columns(font) 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', bold=False, underline=0, width=1,
|
||||
height=1, density=9, invert=False, smooth=False, flip=False,
|
||||
double_width=False, double_height=False, custom_size=False):
|
||||
""" Set text properties by sending them to the printer
|
||||
|
||||
:param align: horizontal position for text, possible values are:
|
||||
|
||||
* CENTER
|
||||
* LEFT
|
||||
* RIGHT
|
||||
* 'center'
|
||||
* 'left'
|
||||
* 'right'
|
||||
|
||||
*default*: LEFT
|
||||
*default*: 'left'
|
||||
|
||||
:param font: font given as an index, a name, or one of the
|
||||
special values 'a' or 'b', refering to fonts 0 and 1.
|
||||
:param text_type: text type, possible values are:
|
||||
|
||||
* B for bold
|
||||
* U for underlined
|
||||
* U2 for underlined, version 2
|
||||
* BU for bold and underlined
|
||||
* BU2 for bold and underlined, version 2
|
||||
* NORMAL for normal text
|
||||
|
||||
*default*: NORMAL
|
||||
:param width: text width multiplier, decimal range 1-8, *default*: 1
|
||||
:param height: text height multiplier, decimal range 1-8, *default*: 1
|
||||
special values 'a' or 'b', referring to fonts 0 and 1.
|
||||
:param bold: text in bold, *default*: False
|
||||
:param underline: underline mode for text, decimal range 0-2, *default*: 0
|
||||
:param double_height: doubles the height of the text
|
||||
:param double_width: doubles the width of the text
|
||||
:param custom_size: uses custom size specified by width and height
|
||||
parameters. Cannot be used with double_width or double_height.
|
||||
:param width: text width multiplier when custom_size is used, decimal range 1-8, *default*: 1
|
||||
:param height: text height multiplier when custom_size is used, decimal range 1-8, *default*: 1
|
||||
:param density: print density, value from 0-8, if something else is supplied the density remains unchanged
|
||||
:param invert: True enables white on black printing, *default*: False
|
||||
:param smooth: True enables text smoothing. Effective on 4x4 size text and larger, *default*: False
|
||||
:param flip: True enables upside-down printing, *default*: False
|
||||
:type invert: bool
|
||||
"""
|
||||
# Width
|
||||
if height == 2 and width == 2:
|
||||
self._raw(TXT_NORMAL)
|
||||
self._raw(TXT_4SQUARE)
|
||||
elif height == 2 and width == 1:
|
||||
self._raw(TXT_NORMAL)
|
||||
self._raw(TXT_2HEIGHT)
|
||||
elif width == 2 and height == 1:
|
||||
self._raw(TXT_NORMAL)
|
||||
self._raw(TXT_2WIDTH)
|
||||
elif width == 1 and height == 1:
|
||||
self._raw(TXT_NORMAL)
|
||||
elif 1 <= width <= 8 and 1 <= height <= 8 and isinstance(width, int) and isinstance(height, int):
|
||||
self._raw(TXT_SIZE + six.int2byte(TXT_WIDTH[width] + TXT_HEIGHT[height]))
|
||||
else:
|
||||
raise SetVariableError()
|
||||
# Upside down
|
||||
if flip:
|
||||
self._raw(TXT_FLIP_ON)
|
||||
else:
|
||||
self._raw(TXT_FLIP_OFF)
|
||||
# Smoothing
|
||||
if smooth:
|
||||
self._raw(TXT_SMOOTH_ON)
|
||||
else:
|
||||
self._raw(TXT_SMOOTH_OFF)
|
||||
# Type
|
||||
if text_type.upper() == "B":
|
||||
self._raw(TXT_BOLD_ON)
|
||||
self._raw(TXT_UNDERL_OFF)
|
||||
elif text_type.upper() == "U":
|
||||
self._raw(TXT_BOLD_OFF)
|
||||
self._raw(TXT_UNDERL_ON)
|
||||
elif text_type.upper() == "U2":
|
||||
self._raw(TXT_BOLD_OFF)
|
||||
self._raw(TXT_UNDERL2_ON)
|
||||
elif text_type.upper() == "BU":
|
||||
self._raw(TXT_BOLD_ON)
|
||||
self._raw(TXT_UNDERL_ON)
|
||||
elif text_type.upper() == "BU2":
|
||||
self._raw(TXT_BOLD_ON)
|
||||
self._raw(TXT_UNDERL2_ON)
|
||||
elif text_type.upper() == "NORMAL":
|
||||
self._raw(TXT_BOLD_OFF)
|
||||
self._raw(TXT_UNDERL_OFF)
|
||||
# Font
|
||||
self._raw(SET_FONT(six.int2byte(self.profile.get_font(font))))
|
||||
|
||||
# Align
|
||||
if align.upper() == "CENTER":
|
||||
self._raw(TXT_ALIGN_CT)
|
||||
elif align.upper() == "RIGHT":
|
||||
self._raw(TXT_ALIGN_RT)
|
||||
elif align.upper() == "LEFT":
|
||||
self._raw(TXT_ALIGN_LT)
|
||||
# Density
|
||||
if density == 0:
|
||||
self._raw(PD_N50)
|
||||
elif density == 1:
|
||||
self._raw(PD_N37)
|
||||
elif density == 2:
|
||||
self._raw(PD_N25)
|
||||
elif density == 3:
|
||||
self._raw(PD_N12)
|
||||
elif density == 4:
|
||||
self._raw(PD_0)
|
||||
elif density == 5:
|
||||
self._raw(PD_P12)
|
||||
elif density == 6:
|
||||
self._raw(PD_P25)
|
||||
elif density == 7:
|
||||
self._raw(PD_P37)
|
||||
elif density == 8:
|
||||
self._raw(PD_P50)
|
||||
else: # DEFAULT: DOES NOTHING
|
||||
pass
|
||||
# Invert Printing
|
||||
if invert:
|
||||
self._raw(TXT_INVERT_ON)
|
||||
:type font: str
|
||||
:type invert: bool
|
||||
:type bold: bool
|
||||
:type underline: bool
|
||||
:type smooth: bool
|
||||
:type flip: bool
|
||||
:type custom_size: bool
|
||||
:type double_width: bool
|
||||
:type double_height: bool
|
||||
:type align: str
|
||||
:type width: int
|
||||
:type height: int
|
||||
:type density: int
|
||||
"""
|
||||
|
||||
if custom_size:
|
||||
if 1 <= width <= 8 and 1 <= height <= 8 and isinstance(width, int) and\
|
||||
isinstance(height, int):
|
||||
size_byte = TXT_STYLE['width'][width] + TXT_STYLE['height'][height]
|
||||
self._raw(TXT_SIZE + six.int2byte(size_byte))
|
||||
else:
|
||||
raise SetVariableError()
|
||||
else:
|
||||
self._raw(TXT_INVERT_OFF)
|
||||
self._raw(TXT_NORMAL)
|
||||
if double_width and double_height:
|
||||
self._raw(TXT_STYLE['size']['2x'])
|
||||
elif double_width:
|
||||
self._raw(TXT_STYLE['size']['2w'])
|
||||
elif double_height:
|
||||
self._raw(TXT_STYLE['size']['2h'])
|
||||
else:
|
||||
self._raw(TXT_STYLE['size']['normal'])
|
||||
|
||||
self._raw(TXT_STYLE['flip'][flip])
|
||||
self._raw(TXT_STYLE['smooth'][smooth])
|
||||
self._raw(TXT_STYLE['bold'][bold])
|
||||
self._raw(TXT_STYLE['underline'][underline])
|
||||
self._raw(SET_FONT(six.int2byte(self.profile.get_font(font))))
|
||||
self._raw(TXT_STYLE['align'][align])
|
||||
|
||||
if density != 9:
|
||||
self._raw(TXT_STYLE['density'][density])
|
||||
|
||||
self._raw(TXT_STYLE['invert'][invert])
|
||||
|
||||
def line_spacing(self, spacing=None, divisor=180):
|
||||
""" Set line character spacing.
|
||||
|
|
@ -564,7 +597,7 @@ class Escpos(object):
|
|||
|
||||
self._raw(LINESPACING_FUNCS[divisor] + six.int2byte(spacing))
|
||||
|
||||
def cut(self, mode='FULL'):
|
||||
def cut(self, mode='FULL', feed=True):
|
||||
""" Cut paper.
|
||||
|
||||
Without any arguments the paper will be cut completely. With 'mode=PART' a partial cut will
|
||||
|
|
@ -574,8 +607,14 @@ class Escpos(object):
|
|||
.. todo:: Check this function on TM-T88II.
|
||||
|
||||
:param mode: set to 'PART' for a partial cut. default: 'FULL'
|
||||
:param feed: print and feed before cutting. default: true
|
||||
:raises ValueError: if mode not in ('FULL', 'PART')
|
||||
"""
|
||||
|
||||
if not feed:
|
||||
self._raw(GS + b'V' + six.int2byte(66) + b'\x00')
|
||||
return
|
||||
|
||||
self.print_and_feed(6)
|
||||
|
||||
mode = mode.upper()
|
||||
|
|
@ -612,6 +651,41 @@ class Escpos(object):
|
|||
except:
|
||||
raise CashDrawerError()
|
||||
|
||||
def linedisplay_select(self, select_display=False):
|
||||
""" Selects the line display or the printer
|
||||
|
||||
This method is used for line displays that are daisy-chained between your computer and printer.
|
||||
If you set `select_display` to true, only the display is selected and if you set it to false,
|
||||
only the printer is selected.
|
||||
|
||||
:param select_display: whether the display should be selected or the printer
|
||||
:type select_display: bool
|
||||
"""
|
||||
if select_display:
|
||||
self._raw(LINE_DISPLAY_OPEN)
|
||||
else:
|
||||
self._raw(LINE_DISPLAY_CLOSE)
|
||||
|
||||
def linedisplay_clear(self):
|
||||
""" Clears the line display and resets the cursor
|
||||
|
||||
This method is used for line displays that are daisy-chained between your computer and printer.
|
||||
"""
|
||||
self._raw(LINE_DISPLAY_CLEAR)
|
||||
|
||||
def linedisplay(self, text):
|
||||
"""
|
||||
Display text on a line display connected to your printer
|
||||
|
||||
You should connect a line display to your printer. You can do this by daisy-chaining
|
||||
the display between your computer and printer.
|
||||
:param text: Text to display
|
||||
"""
|
||||
self.linedisplay_select(select_display=True)
|
||||
self.linedisplay_clear()
|
||||
self.text(text)
|
||||
self.linedisplay_select(select_display=False)
|
||||
|
||||
def hw(self, hw):
|
||||
""" Hardware operations
|
||||
|
||||
|
|
@ -644,7 +718,7 @@ class Escpos(object):
|
|||
else:
|
||||
raise ValueError("n must be betwen 0 and 255")
|
||||
|
||||
def control(self, ctl, pos=4):
|
||||
def control(self, ctl, count=5, tab_size=8):
|
||||
""" Feed control sequences
|
||||
|
||||
:param ctl: string for the following control sequences:
|
||||
|
|
@ -655,7 +729,8 @@ class Escpos(object):
|
|||
* HT *for Horizontal Tab*
|
||||
* VT *for Vertical Tab*
|
||||
|
||||
:param pos: integer between 1 and 16, controls the horizontal tab position
|
||||
:param count: integer between 1 and 32, controls the horizontal tab count. Defaults to 5.
|
||||
:param tab_size: integer between 1 and 255, controls the horizontal tab size in characters. Defaults to 8
|
||||
:raises: :py:exc:`~escpos.exceptions.TabPosError`
|
||||
"""
|
||||
# Set position
|
||||
|
|
@ -666,13 +741,16 @@ class Escpos(object):
|
|||
elif ctl.upper() == "CR":
|
||||
self._raw(CTL_CR)
|
||||
elif ctl.upper() == "HT":
|
||||
if not (1 <= pos <= 16):
|
||||
if not (0 <= count <= 32 and
|
||||
1 <= tab_size <= 255 and
|
||||
count * tab_size < 256):
|
||||
raise TabPosError()
|
||||
else:
|
||||
# Set tab positions
|
||||
self._raw(CTL_SET_HT + six.int2byte(pos))
|
||||
|
||||
self._raw(CTL_HT)
|
||||
self._raw(CTL_SET_HT)
|
||||
for iterator in range(1, count):
|
||||
self._raw(six.int2byte(iterator * tab_size))
|
||||
self._raw(NUL)
|
||||
elif ctl.upper() == "VT":
|
||||
self._raw(CTL_VT)
|
||||
|
||||
|
|
@ -699,6 +777,41 @@ class Escpos(object):
|
|||
else:
|
||||
self._raw(PANEL_BUTTON_OFF)
|
||||
|
||||
def query_status(self, mode):
|
||||
""" Queries the printer for its status, and returns an array of integers containing it.
|
||||
:param mode: Integer that sets the status mode queried to the printer.
|
||||
RT_STATUS_ONLINE: Printer status.
|
||||
RT_STATUS_PAPER: Paper sensor.
|
||||
:rtype: array(integer)"""
|
||||
self._raw(mode)
|
||||
time.sleep(1)
|
||||
status = self._read()
|
||||
return status
|
||||
|
||||
def is_online(self):
|
||||
""" Queries the printer its online status.
|
||||
When online, returns True; False otherwise.
|
||||
:rtype: bool: True if online, False if offline."""
|
||||
status = self.query_status(RT_STATUS_ONLINE)
|
||||
if len(status) == 0:
|
||||
return False
|
||||
return not (status & RT_MASK_ONLINE)
|
||||
|
||||
def paper_status(self):
|
||||
""" Queries the printer its paper status.
|
||||
Returns 2 if there is plenty of paper, 1 if the paper has arrived to
|
||||
the near-end sensor and 0 if there is no paper.
|
||||
:rtype: int: 2: Paper is adequate. 1: Paper ending. 0: No paper."""
|
||||
status = self.query_status(RT_STATUS_PAPER)
|
||||
if len(status) == 0:
|
||||
return 2
|
||||
if (status[0] & RT_MASK_NOPAPER == RT_MASK_NOPAPER):
|
||||
return 0
|
||||
if (status[0] & RT_MASK_LOWPAPER == RT_MASK_LOWPAPER):
|
||||
return 1
|
||||
if (status[0] & RT_MASK_PAPER == RT_MASK_PAPER):
|
||||
return 2
|
||||
|
||||
|
||||
class EscposIO(object):
|
||||
"""ESC/POS Printer IO object
|
||||
|
|
|
|||
|
|
@ -8,6 +8,7 @@ Result/Exit codes:
|
|||
- `20` = Barcode size values are out of range :py:exc:`~escpos.exceptions.BarcodeSizeError`
|
||||
- `30` = Barcode text not supplied :py:exc:`~escpos.exceptions.BarcodeCodeError`
|
||||
- `40` = Image height is too large :py:exc:`~escpos.exceptions.ImageSizeError`
|
||||
- `41` = Image width is too large :py:exc:`~escpos.exceptions.ImageWidthError`
|
||||
- `50` = No string supplied to be printed :py:exc:`~escpos.exceptions.TextError`
|
||||
- `60` = Invalid pin to send Cash Drawer pulse :py:exc:`~escpos.exceptions.CashDrawerError`
|
||||
- `70` = Invalid number of tab positions :py:exc:`~escpos.exceptions.TabPosError`
|
||||
|
|
@ -104,6 +105,20 @@ class ImageSizeError(Error):
|
|||
return "Image height is longer than 255px and can't be printed ({msg})".format(msg=self.msg)
|
||||
|
||||
|
||||
class ImageWidthError(Error):
|
||||
""" Image width is too large.
|
||||
|
||||
The return code for this exception is `41`.
|
||||
"""
|
||||
def __init__(self, msg=""):
|
||||
Error.__init__(self, msg)
|
||||
self.msg = msg
|
||||
self.resultcode = 41
|
||||
|
||||
def __str__(self):
|
||||
return "Image width is too large ({msg})".format(msg=self.msg)
|
||||
|
||||
|
||||
class TextError(Error):
|
||||
""" Text string must be supplied to the `text()` method.
|
||||
|
||||
|
|
@ -135,7 +150,8 @@ class CashDrawerError(Error):
|
|||
|
||||
|
||||
class TabPosError(Error):
|
||||
""" Valid tab positions must be in the range 0 to 16.
|
||||
""" Valid tab positions must be set by using from 1 to 32 tabs, and between 1 and 255 tab size values.
|
||||
Both values multiplied must not exceed 255, since it is the maximum tab value.
|
||||
|
||||
This exception is raised by :py:meth:`escpos.escpos.Escpos.control`.
|
||||
The returncode for this exception is `70`.
|
||||
|
|
|
|||
|
|
@ -84,6 +84,10 @@ class Usb(Escpos):
|
|||
"""
|
||||
self.device.write(self.out_ep, msg, self.timeout)
|
||||
|
||||
def _read(self):
|
||||
""" Reads a data buffer and returns it to the caller. """
|
||||
return self.device.read(self.in_ep, 16)
|
||||
|
||||
def close(self):
|
||||
""" Release USB interface """
|
||||
if self.device:
|
||||
|
|
@ -131,6 +135,8 @@ class Serial(Escpos):
|
|||
|
||||
def open(self):
|
||||
""" Setup serial port and set is as escpos device """
|
||||
if self.device is not None and self.device.is_open:
|
||||
self.close()
|
||||
self.device = serial.Serial(port=self.devfile, baudrate=self.baudrate,
|
||||
bytesize=self.bytesize, parity=self.parity,
|
||||
stopbits=self.stopbits, timeout=self.timeout,
|
||||
|
|
@ -149,9 +155,13 @@ class Serial(Escpos):
|
|||
"""
|
||||
self.device.write(msg)
|
||||
|
||||
def _read(self):
|
||||
""" Reads a data buffer and returns it to the caller. """
|
||||
return self.device.read(16)
|
||||
|
||||
def close(self):
|
||||
""" Close Serial interface """
|
||||
if self.device is not None:
|
||||
if self.device is not None and self.device.is_open:
|
||||
self.device.flush()
|
||||
self.device.close()
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,17 @@
|
|||
from __future__ import absolute_import
|
||||
from __future__ import division
|
||||
from __future__ import print_function
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import six
|
||||
|
||||
import escpos.printer as printer
|
||||
from escpos.constants import GS
|
||||
|
||||
|
||||
def test_cut_without_feed():
|
||||
"""Test cut without feeding paper"""
|
||||
instance = printer.Dummy()
|
||||
instance.cut(feed=False)
|
||||
expected = GS + b'V' + six.int2byte(66) + b'\x00'
|
||||
assert(instance.output == expected)
|
||||
|
|
@ -12,9 +12,13 @@ from __future__ import division
|
|||
from __future__ import print_function
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import escpos.printer as printer
|
||||
import pytest
|
||||
|
||||
from PIL import Image
|
||||
|
||||
import escpos.printer as printer
|
||||
from escpos.exceptions import ImageWidthError
|
||||
|
||||
|
||||
# Raster format print
|
||||
def test_bit_image_black():
|
||||
|
|
@ -139,3 +143,22 @@ def test_large_graphics():
|
|||
instance = printer.Dummy()
|
||||
instance.image('test/resources/black_white.png', impl="bitImageRaster", fragment_height=1)
|
||||
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.
|
||||
"""
|
||||
instance = printer.Dummy()
|
||||
instance.profile.profile_data = {
|
||||
'media': {
|
||||
'width': {
|
||||
'pixels': 384
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
with pytest.raises(ImageWidthError):
|
||||
instance.image(Image.new("RGB", (385, 200)))
|
||||
|
||||
instance.image(Image.new("RGB", (384, 200)))
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
#!/usr/bin/python
|
||||
"""tests for line display
|
||||
|
||||
: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 escpos.printer as printer
|
||||
|
||||
|
||||
def test_function_linedisplay_select_on():
|
||||
"""test the linedisplay_select function (activate)"""
|
||||
instance = printer.Dummy()
|
||||
instance.linedisplay_select(select_display=True)
|
||||
assert(instance.output == b'\x1B\x3D\x02')
|
||||
|
||||
def test_function_linedisplay_select_off():
|
||||
"""test the linedisplay_select function (deactivate)"""
|
||||
instance = printer.Dummy()
|
||||
instance.linedisplay_select(select_display=False)
|
||||
assert(instance.output == b'\x1B\x3D\x01')
|
||||
|
||||
def test_function_linedisplay_clear():
|
||||
"""test the linedisplay_clear function"""
|
||||
instance = printer.Dummy()
|
||||
instance.linedisplay_clear()
|
||||
assert(instance.output == b'\x1B\x40')
|
||||
|
||||
|
|
@ -12,43 +12,18 @@ from __future__ import division
|
|||
from __future__ import print_function
|
||||
from __future__ import unicode_literals
|
||||
|
||||
from nose.tools import with_setup
|
||||
|
||||
import escpos.printer as printer
|
||||
import os
|
||||
|
||||
devfile = 'testfile'
|
||||
|
||||
|
||||
def setup_testfile():
|
||||
"""create a testfile as devfile"""
|
||||
fhandle = open(devfile, 'a')
|
||||
try:
|
||||
os.utime(devfile, None)
|
||||
finally:
|
||||
fhandle.close()
|
||||
|
||||
|
||||
def teardown_testfile():
|
||||
"""destroy testfile again"""
|
||||
os.remove(devfile)
|
||||
|
||||
|
||||
@with_setup(setup_testfile, teardown_testfile)
|
||||
def test_function_panel_button_on():
|
||||
"""test the panel button function (enabling) by comparing output"""
|
||||
instance = printer.File(devfile=devfile)
|
||||
instance = printer.Dummy()
|
||||
instance.panel_buttons()
|
||||
instance.flush()
|
||||
with open(devfile, "rb") as f:
|
||||
assert(f.read() == b'\x1B\x63\x35\x00')
|
||||
assert(instance.output == b'\x1B\x63\x35\x00')
|
||||
|
||||
|
||||
@with_setup(setup_testfile, teardown_testfile)
|
||||
def test_function_panel_button_off():
|
||||
"""test the panel button function (disabling) by comparing output"""
|
||||
instance = printer.File(devfile=devfile)
|
||||
instance = printer.Dummy()
|
||||
instance.panel_buttons(False)
|
||||
instance.flush()
|
||||
with open(devfile, "rb") as f:
|
||||
assert(f.read() == b'\x1B\x63\x35\x01')
|
||||
assert(instance.output == b'\x1B\x63\x35\x01')
|
||||
|
|
|
|||
|
|
@ -86,9 +86,11 @@ def test_image():
|
|||
instance = printer.Dummy()
|
||||
instance.qr("1", native=False, size=1)
|
||||
print(instance.output)
|
||||
expected = b'\x1dv0\x00\x03\x00\x17\x00\x00\x00\x00\x7f]\xfcA\x19\x04]it]et' \
|
||||
expected = b'\x1bt\x00\n' \
|
||||
b'\x1dv0\x00\x03\x00\x17\x00\x00\x00\x00\x7f]\xfcA\x19\x04]it]et' \
|
||||
b']ItA=\x04\x7fU\xfc\x00\x0c\x00y~t4\x7f =\xa84j\xd9\xf0\x05\xd4\x90\x00' \
|
||||
b'i(\x7f<\xa8A \xd8]\'\xc4]y\xf8]E\x80Ar\x94\x7fR@\x00\x00\x00'
|
||||
b'i(\x7f<\xa8A \xd8]\'\xc4]y\xf8]E\x80Ar\x94\x7fR@\x00\x00\x00' \
|
||||
b'\n\n'
|
||||
assert(instance.output == expected)
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,280 @@
|
|||
from __future__ import absolute_import
|
||||
from __future__ import division
|
||||
from __future__ import print_function
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import six
|
||||
|
||||
import escpos.printer as printer
|
||||
from escpos.constants import TXT_NORMAL, TXT_STYLE, SET_FONT
|
||||
from escpos.constants import TXT_SIZE
|
||||
|
||||
|
||||
# Default test, please copy and paste this block to test set method calls
|
||||
|
||||
def test_default_values():
|
||||
instance = printer.Dummy()
|
||||
instance.set()
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert(instance.output == b''.join(expected_sequence))
|
||||
|
||||
# Size tests
|
||||
|
||||
def test_set_size_2h():
|
||||
instance = printer.Dummy()
|
||||
instance.set(double_height=True)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['2h'], # Double height text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert (instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
def test_set_size_2w():
|
||||
instance = printer.Dummy()
|
||||
instance.set(double_width=True)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['2w'], # Double width text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert (instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
def test_set_size_2x():
|
||||
instance = printer.Dummy()
|
||||
instance.set(double_height=True, double_width=True)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['2x'], # Double text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert (instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
def test_set_size_custom():
|
||||
instance = printer.Dummy()
|
||||
instance.set(custom_size=True, width=8, height=7)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_SIZE, # Custom text size, no normal reset
|
||||
six.int2byte(TXT_STYLE['width'][8] + TXT_STYLE['height'][7]),
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert (instance.output == b''.join(expected_sequence))
|
||||
|
||||
# Flip
|
||||
|
||||
def test_set_flip():
|
||||
instance = printer.Dummy()
|
||||
instance.set(flip=True)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][True], # Flip ON
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert (instance.output == b''.join(expected_sequence))
|
||||
|
||||
# Smooth
|
||||
|
||||
def test_smooth():
|
||||
instance = printer.Dummy()
|
||||
instance.set(smooth=True)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][True], # Smooth ON
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert(instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
# Type
|
||||
|
||||
|
||||
def test_set_bold():
|
||||
instance = printer.Dummy()
|
||||
instance.set(bold=True)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][True], # Bold ON
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert (instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
def test_set_underline():
|
||||
instance = printer.Dummy()
|
||||
instance.set(underline=1)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][1], # Underline ON, type 1
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert (instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
def test_set_underline2():
|
||||
instance = printer.Dummy()
|
||||
instance.set(underline=2)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][2], # Underline ON, type 2
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert (instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
# Align
|
||||
|
||||
def test_align_center():
|
||||
instance = printer.Dummy()
|
||||
instance.set(align='center')
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['center'], # Align center
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert(instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
def test_align_right():
|
||||
instance = printer.Dummy()
|
||||
instance.set(align='right')
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['right'], # Align right
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert(instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
# Densities
|
||||
|
||||
def test_densities():
|
||||
|
||||
for density in range(8):
|
||||
instance = printer.Dummy()
|
||||
instance.set(density=density)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['density'][density], # Custom density from 0 to 8
|
||||
TXT_STYLE['invert'][False] # Inverted OFF
|
||||
)
|
||||
|
||||
assert(instance.output == b''.join(expected_sequence))
|
||||
|
||||
|
||||
# Invert
|
||||
|
||||
def test_invert():
|
||||
instance = printer.Dummy()
|
||||
instance.set(invert=True)
|
||||
|
||||
expected_sequence = (
|
||||
TXT_NORMAL, TXT_STYLE['size']['normal'], # Normal text size
|
||||
TXT_STYLE['flip'][False], # Flip OFF
|
||||
TXT_STYLE['smooth'][False], # Smooth OFF
|
||||
TXT_STYLE['bold'][False], # Bold OFF
|
||||
TXT_STYLE['underline'][0], # Underline OFF
|
||||
SET_FONT(b'\x00'), # Default font
|
||||
TXT_STYLE['align']['left'], # Align left
|
||||
TXT_STYLE['invert'][True] # Inverted ON
|
||||
)
|
||||
|
||||
assert(instance.output == b''.join(expected_sequence))
|
||||
|
|
@ -39,3 +39,27 @@ def test_block_text():
|
|||
"All the presidents men were eating falafel for breakfast.", font='a')
|
||||
assert printer.output == \
|
||||
b'All the presidents men were eating falafel\nfor breakfast.'
|
||||
|
||||
|
||||
def test_textln():
|
||||
printer = get_printer()
|
||||
printer.textln('hello, world')
|
||||
assert printer.output == b'hello, world\n'
|
||||
|
||||
|
||||
def test_textln_empty():
|
||||
printer = get_printer()
|
||||
printer.textln()
|
||||
assert printer.output == b'\n'
|
||||
|
||||
|
||||
def test_ln():
|
||||
printer = get_printer()
|
||||
printer.ln()
|
||||
assert printer.output == b'\n'
|
||||
|
||||
|
||||
def test_multiple_ln():
|
||||
printer = get_printer()
|
||||
printer.ln(3)
|
||||
assert printer.output == b'\n\n\n'
|
||||
|
|
|
|||
|
|
@ -12,30 +12,10 @@ from __future__ import division
|
|||
from __future__ import print_function
|
||||
from __future__ import unicode_literals
|
||||
|
||||
from nose.tools import with_setup
|
||||
|
||||
import escpos.printer as printer
|
||||
import os
|
||||
|
||||
devfile = 'testfile'
|
||||
|
||||
|
||||
def setup_testfile():
|
||||
"""create a testfile as devfile"""
|
||||
fhandle = open(devfile, 'a')
|
||||
try:
|
||||
os.utime(devfile, None)
|
||||
finally:
|
||||
fhandle.close()
|
||||
|
||||
|
||||
def teardown_testfile():
|
||||
"""destroy testfile again"""
|
||||
os.remove(devfile)
|
||||
|
||||
|
||||
@with_setup(setup_testfile, teardown_testfile)
|
||||
def test_instantiation():
|
||||
"""test the instantiation of a escpos-printer class and basic printing"""
|
||||
instance = printer.File(devfile=devfile)
|
||||
instance = printer.Dummy()
|
||||
instance.text('This is a test\n')
|
||||
|
|
|
|||
4
tox.ini
4
tox.ini
|
|
@ -7,10 +7,11 @@ deps = nose
|
|||
coverage
|
||||
scripttest
|
||||
mock
|
||||
pytest
|
||||
pytest!=3.2.0
|
||||
pytest-cov
|
||||
pytest-mock
|
||||
hypothesis
|
||||
viivakoodi
|
||||
commands = py.test --cov escpos
|
||||
|
||||
[testenv:docs]
|
||||
|
|
@ -18,6 +19,7 @@ basepython = python
|
|||
changedir = doc
|
||||
deps = sphinx>=1.5.1
|
||||
setuptools_scm
|
||||
viivakoodi
|
||||
commands = sphinx-build -W -b html -d {envtmpdir}/doctrees . {envtmpdir}/html
|
||||
|
||||
[testenv:flake8]
|
||||
|
|
|
|||
Loading…
Reference in New Issue