zebra: zebra.py annotate

annotate zebra.py @ 32:405f0751f09a default tip

Added tag 0.2.0 for changeset f77ca0963d6d

author	Ben Croston <ben@croston.org>
date	Wed, 12 Feb 2025 15:14:03 +0000
parents	f77ca0963d6d
children

rev	line source
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	1 #!/usr/bin/env python3
25 fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	2
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	3 # Copyright (c) 2011-2025 Ben Croston
25 fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	4 #
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	5 # Permission is hereby granted, free of charge, to any person obtaining a copy of
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	6 # this software and associated documentation files (the "Software"), to deal in
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	7 # the Software without restriction, including without limitation the rights to
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	8 # use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	9 # of the Software, and to permit persons to whom the Software is furnished to do
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	10 # so, subject to the following conditions:
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	11 #
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	12 # The above copyright notice and this permission notice shall be included in all
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	13 # copies or substantial portions of the Software.
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	14 #
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	21 # SOFTWARE.
fc1a7cf3f92c Added licence to code Ben Croston <ben@croston.org> parents: 22 diff changeset	22
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	23 import os.path
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	24 import sys
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	25
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	26 if sys.platform.lower().startswith('win'):
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	27 IS_WINDOWS = True
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	28 import win32print
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	29 else:
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	30 IS_WINDOWS = False
22 117c2aac83e5 - Ben Croston parents: 17 diff changeset	31 import subprocess
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	32
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	33
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	34 class Zebra:
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	35 """A class to communicate with (Zebra) label printers"""
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	36
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	37 def __init__(self, queue=None):
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	38 """queue - name of the printer queue (optional)"""
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	39 self.queue = queue
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	40
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	41 def _output_unix(self, commands):
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	42 if self.queue == 'zebra_python_unittest':
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	43 p = subprocess.Popen(['cat', '-'], stdin=subprocess.PIPE)
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	44 else:
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	45 p = subprocess.Popen(
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	46 ['lpr', '-P{}'.format(self.queue), '-oraw'], stdin=subprocess.PIPE
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	47 )
17 a9dacd180597 Does not work in python 2.6 after all Ben Croston <ben@croston.org> parents: 14 diff changeset	48 p.communicate(commands)
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	49 p.stdin.close()
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	50
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	51 def _output_win(self, commands):
8 19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	52 if self.queue == 'zebra_python_unittest':
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	53 print(commands)
8 19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	54 return
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	55 hPrinter = win32print.OpenPrinter(self.queue)
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	56 try:
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	57 win32print.StartDocPrinter(hPrinter, 1, ('Label', None, 'RAW'))
8 19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	58 try:
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	59 win32print.StartPagePrinter(hPrinter)
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	60 win32print.WritePrinter(hPrinter, commands)
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	61 win32print.EndPagePrinter(hPrinter)
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	62 finally:
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	63 win32print.EndDocPrinter(hPrinter)
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	64 finally:
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	65 win32print.ClosePrinter(hPrinter)
26 20f6df6d3f42 - Fix for empty printer list Ben Croston <ben@croston.org> parents: 25 diff changeset	66
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	67 def output(self, commands, encoding='cp437'):
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	68 """Send raw commands to the label printer
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	69
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	70 commands - commands to send to the printer. Converted to a byte string if necessary.
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	71 encoding - Encoding used if 'commands' is not a byte string
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	72 """
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	73 assert self.queue is not None
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	74 if not isinstance(commands, bytes):
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	75 commands = str(commands).encode(encoding=encoding)
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	76 if IS_WINDOWS:
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	77 self._output_win(commands)
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	78 else:
14 e6ea86e3d0e1 Fixed typo Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 10 diff changeset	79 self._output_unix(commands)
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	80
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	81 def print_config_label(self):
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	82 """
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	83 Send an EPL2 command to print label(s) with current config settings
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	84 """
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	85 self.output('\nU\n')
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	86
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	87 def _getqueues_unix(self):
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	88 queues = []
26 20f6df6d3f42 - Fix for empty printer list Ben Croston <ben@croston.org> parents: 25 diff changeset	89 try:
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	90 output = subprocess.check_output(
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	91 ['lpstat', '-p'],
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	92 universal_newlines=True,
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	93 env={"LANG": "en_US.UTF-8"}
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	94 )
26 20f6df6d3f42 - Fix for empty printer list Ben Croston <ben@croston.org> parents: 25 diff changeset	95 except subprocess.CalledProcessError:
20f6df6d3f42 - Fix for empty printer list Ben Croston <ben@croston.org> parents: 25 diff changeset	96 return []
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	97 for line in output.split('\n'):
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	98 if line.startswith('printer'):
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	99 queues.append(line.split(' ')[1])
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	100 return queues
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	101
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	102 def _getqueues_win(self):
8 19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	103 printers = []
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	104 for a, b, name, d in win32print.EnumPrinters(win32print.PRINTER_ENUM_LOCAL):
8 19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	105 printers.append(name)
19fd067db7ca Added Windows support Ben Croston parents: 7 diff changeset	106 return printers
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	107
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	108 def getqueues(self):
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	109 """Returns a list of printer queues on local machine"""
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	110 if IS_WINDOWS:
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	111 return self._getqueues_win()
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	112 else:
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	113 return self._getqueues_unix()
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	114
1 21c3229ed401 Tidy up Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 0 diff changeset	115 def setqueue(self, queue):
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	116 """Set the printer queue"""
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	117 self.queue = queue
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	118
2 ad9d9bf61243 Change direct transfer to direct thermal Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 1 diff changeset	119 def setup(self, direct_thermal=None, label_height=None, label_width=None):
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	120 """Set up the label printer using EPL2. Parameters are not set if they are None.
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	121 Not necessary if using AutoSense (hold feed button while powering on)
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	122
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	123 direct_thermal - True if using direct thermal labels
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	124 label_height - tuple (label height, label gap) in dots
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	125 label_width - in dots
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	126 """
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	127 commands = '\n'
2 ad9d9bf61243 Change direct transfer to direct thermal Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 1 diff changeset	128 if direct_thermal:
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	129 commands += 'OD\n'
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	130 if label_height:
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	131 commands += 'Q%s,%s\n' % (label_height[0], label_height[1])
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	132 if label_width:
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	133 commands += 'q%s\n' % label_width
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	134 self.output(commands)
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	135
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	136 def reset_default(self):
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	137 """Reset the printer to factory settings using EPL2"""
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	138 self.output('\n^default\n')
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	139
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	140 def reset(self):
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	141 """Resets the printer using EPL2 - equivalent to switching off/on"""
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	142 self.output('\n^@\n')
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	143
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	144 def autosense(self):
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	145 """Run AutoSense by sending an EPL2 command
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	146 Get the printer to detect label and gap length and set the sensor levels
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	147 """
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	148 self.output('\nxa\n')
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	149
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	150 def store_graphic(self, name, filename):
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	151 """Store a 1 bit PCX file on the label printer, using EPL2.
10 6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	152
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	153 name - name to be used on printer
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	154 filename - local filename
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	155 """
6a1963ee4aff Added docstrings Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 8 diff changeset	156 assert filename.lower().endswith('.pcx')
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	157 commands = '\nGK"%s"\n' % name
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	158 commands += 'GK"%s"\n' % name
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	159 size = os.path.getsize(filename)
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	160 commands += 'GM"%s"%s\n' % (name, size)
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	161 self.output(commands)
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	162 self.output(open(filename, 'rb').read())
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	163
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	164 def print_graphic(self, x, y, width, length, data, qty):
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	165 """Print a label from 1 bit data, using EPL2
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	166
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	167 x,y - top left coordinates of the image, in dots
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	168 width - width of image, in dots. Must be a multiple of 8.
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	169 length - length of image, in dots
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	170 data - raw graphical data, in bytes
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	171 qty - number of labels to print
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	172 """
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	173 assert isinstance(data, bytes)
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	174 assert width % 8 == 0 # make sure width is a multiple of 8
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	175 assert (width // 8) * length == len(data)
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	176 commands = b'\nN\nGW%d,%d,%d,%d,%s\nP%d\n' % (
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	177 x,
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	178 y,
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	179 width // 8,
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	180 length,
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	181 data,
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	182 qty,
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	183 )
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	184 self.output(commands)
63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	185
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	186
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	187 if __name__ == '__main__':
29 63d1260cc64e - class name is now 'Zebra' instead of 'zebra' Ben Croston <ben@croston.org> parents: 27 diff changeset	188 z = Zebra()
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	189 print('Printer queues found:', z.getqueues())
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	190 z.setqueue('zebra_python_unittest')
31 f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	191 z.setup(
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	192 direct_thermal=True, label_height=(406, 32), label_width=609
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	193 ) # 3" x 2" direct thermal label
f77ca0963d6d Fix language bug, convert to pyproject.toml Ben Croston <ben@croston.org> parents: 29 diff changeset	194 z.store_graphic('logo', 'logo.pcx')
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	195 label = """
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	196 N
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	197 GG419,40,"logo"
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	198 A40,80,0,4,1,1,N,"Tangerine Duck 4.4%"
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	199 A40,198,0,3,1,1,N,"Duty paid on 39.9l"
1 21c3229ed401 Tidy up Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: 0 diff changeset	200 A40,240,0,3,1,1,N,"Gyle: 127 Best Before: 16/09/2011"
0 5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	201 A40,320,0,4,1,1,N,"Pump & Truncheon"
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	202 P1
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	203 """
5bd9ee5c0cae Initial version Ben Croston <ben@fuzzyduckbrewery.co.uk> parents: diff changeset	204 z.output(label)

Mercurial > hg > zebra

annotate zebra.py @ 32:405f0751f09a default tip