mirror of
https://github.com/python-escpos/python-escpos
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reformat codebase
This commit is contained in:
Patrick Kanzler
@@ -16,120 +16,125 @@ import six
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# Control characters
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# as labelled in https://www.novopos.ch/client/EPSON/TM-T20/TM-T20_eng_qr.pdf
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NUL = b'\x00'
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EOT = b'\x04'
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ENQ = b'\x05'
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DLE = b'\x10'
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DC4 = b'\x14'
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CAN = b'\x18'
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ESC = b'\x1b'
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FS = b'\x1c'
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GS = b'\x1d'
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NUL = b"\x00"
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EOT = b"\x04"
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ENQ = b"\x05"
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DLE = b"\x10"
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DC4 = b"\x14"
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CAN = b"\x18"
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ESC = b"\x1b"
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FS = b"\x1c"
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GS = b"\x1d"
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# Feed control sequences
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CTL_LF = b'\n' # Print and line feed
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CTL_FF = b'\f' # Form feed
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CTL_CR = b'\r' # Carriage return
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CTL_HT = b'\t' # Horizontal tab
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CTL_SET_HT = ESC + b'\x44' # Set horizontal tab positions
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CTL_VT = b'\v' # Vertical tab
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CTL_LF = b"\n" # Print and line feed
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CTL_FF = b"\f" # Form feed
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CTL_CR = b"\r" # Carriage return
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CTL_HT = b"\t" # Horizontal tab
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CTL_SET_HT = ESC + b"\x44" # Set horizontal tab positions
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CTL_VT = b"\v" # Vertical tab
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# Printer hardware
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HW_INIT = ESC + b'@' # Clear data in buffer and reset modes
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HW_SELECT = ESC + b'=\x01' # Printer select
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HW_INIT = ESC + b"@" # Clear data in buffer and reset modes
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HW_SELECT = ESC + b"=\x01" # Printer select
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HW_RESET = ESC + b'\x3f\x0a\x00' # Reset printer hardware
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# (TODO: Where is this specified?)
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HW_RESET = ESC + b"\x3f\x0a\x00" # Reset printer hardware
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# (TODO: Where is this specified?)
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# Cash Drawer (ESC p <pin> <on time: 2*ms> <off time: 2*ms>)
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_CASH_DRAWER = lambda m, t1='', t2='': ESC + b'p' + m + six.int2byte(t1) + six.int2byte(t2)
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CD_KICK_DEC_SEQUENCE = lambda esc, p, m, t1=50, t2=50: six.int2byte(esc) + six.int2byte(p) + six.int2byte(m) + six.int2byte(t1) + six.int2byte(t2)
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CD_KICK_2 = _CASH_DRAWER(b'\x00', 50, 50) # Sends a pulse to pin 2 []
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CD_KICK_5 = _CASH_DRAWER(b'\x01', 50, 50) # Sends a pulse to pin 5 []
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_CASH_DRAWER = (
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lambda m, t1="", t2="": ESC + b"p" + m + six.int2byte(t1) + six.int2byte(t2)
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)
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CD_KICK_DEC_SEQUENCE = (
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lambda esc, p, m, t1=50, t2=50: six.int2byte(esc)
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+ six.int2byte(p)
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+ six.int2byte(m)
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+ six.int2byte(t1)
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+ six.int2byte(t2)
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)
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CD_KICK_2 = _CASH_DRAWER(b"\x00", 50, 50) # Sends a pulse to pin 2 []
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CD_KICK_5 = _CASH_DRAWER(b"\x01", 50, 50) # Sends a pulse to pin 5 []
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# Paper Cutter
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_CUT_PAPER = lambda m: GS + b'V' + m
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PAPER_FULL_CUT = _CUT_PAPER(b'\x00') # Full cut paper
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PAPER_PART_CUT = _CUT_PAPER(b'\x01') # Partial cut paper
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_CUT_PAPER = lambda m: GS + b"V" + m
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PAPER_FULL_CUT = _CUT_PAPER(b"\x00") # Full cut paper
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PAPER_PART_CUT = _CUT_PAPER(b"\x01") # Partial cut paper
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# Beep (please note that the actual beep sequence may differ between devices)
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BEEP = b'\x07'
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BEEP = b"\x07"
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# Panel buttons (e.g. the FEED button)
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_PANEL_BUTTON = lambda n: ESC + b'c5' + six.int2byte(n)
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_PANEL_BUTTON = lambda n: ESC + b"c5" + six.int2byte(n)
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PANEL_BUTTON_ON = _PANEL_BUTTON(0) # enable all panel buttons
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PANEL_BUTTON_OFF = _PANEL_BUTTON(1) # disable all panel buttons
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# Line display printing
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LINE_DISPLAY_OPEN = ESC + b'\x3d\x02'
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LINE_DISPLAY_CLEAR = ESC + b'\x40'
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LINE_DISPLAY_CLOSE = ESC + b'\x3d\x01'
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LINE_DISPLAY_OPEN = ESC + b"\x3d\x02"
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LINE_DISPLAY_CLEAR = ESC + b"\x40"
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LINE_DISPLAY_CLOSE = ESC + b"\x3d\x01"
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# Sheet modes
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SHEET_SLIP_MODE = ESC + b'\x63\x30\x04' # slip paper
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SHEET_ROLL_MODE = ESC + b'\x63\x30\x01' # paper roll
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SHEET_SLIP_MODE = ESC + b"\x63\x30\x04" # slip paper
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SHEET_ROLL_MODE = ESC + b"\x63\x30\x01" # paper roll
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# Text format
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# TODO: Acquire the "ESC/POS Application Programming Guide for Paper Roll
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# Printers" and tidy up this stuff too.
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TXT_SIZE = GS + b'!'
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TXT_SIZE = GS + b"!"
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TXT_NORMAL = ESC + b'!\x00' # Normal text
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TXT_NORMAL = ESC + b"!\x00" # Normal text
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TXT_STYLE = {
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'bold': {
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False: ESC + b'\x45\x00', # Bold font OFF
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True: ESC + b'\x45\x01' # Bold font ON
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"bold": {
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False: ESC + b"\x45\x00", # Bold font OFF
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True: ESC + b"\x45\x01", # Bold font ON
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},
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'underline': {
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0: ESC + b'\x2d\x00', # Underline font OFF
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1: ESC + b'\x2d\x01', # Underline font 1-dot ON
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2: ESC + b'\x2d\x02' # Underline font 2-dot ON
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"underline": {
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0: ESC + b"\x2d\x00", # Underline font OFF
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1: ESC + b"\x2d\x01", # Underline font 1-dot ON
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2: ESC + b"\x2d\x02", # Underline font 2-dot ON
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},
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'size': {
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'normal': TXT_NORMAL + ESC + b'!\x00', # Normal text
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'2h': TXT_NORMAL + ESC + b'!\x10', # Double height text
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'2w': TXT_NORMAL + ESC + b'!\x20', # Double width text
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'2x': TXT_NORMAL + ESC + b'!\x30' # Quad area text
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"size": {
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"normal": TXT_NORMAL + ESC + b"!\x00", # Normal text
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"2h": TXT_NORMAL + ESC + b"!\x10", # Double height text
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"2w": TXT_NORMAL + ESC + b"!\x20", # Double width text
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"2x": TXT_NORMAL + ESC + b"!\x30", # Quad area text
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},
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'font': {
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'a': ESC + b'\x4d\x00', # Font type A
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'b': ESC + b'\x4d\x00' # Font type B
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"font": {
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"a": ESC + b"\x4d\x00", # Font type A
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"b": ESC + b"\x4d\x00", # Font type B
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},
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'align': {
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'left': ESC + b'\x61\x00', # Left justification
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'center': ESC + b'\x61\x01', # Centering
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'right': ESC + b'\x61\x02' # Right justification
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"align": {
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"left": ESC + b"\x61\x00", # Left justification
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"center": ESC + b"\x61\x01", # Centering
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"right": ESC + b"\x61\x02", # Right justification
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},
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'invert': {
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True: GS + b'\x42\x01', # Inverse Printing ON
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False: GS + b'\x42\x00' # Inverse Printing OFF
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"invert": {
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True: GS + b"\x42\x01", # Inverse Printing ON
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False: GS + b"\x42\x00", # Inverse Printing OFF
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},
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'color': {
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'black': ESC + b'\x72\x00', # Default Color
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'red': ESC + b'\x72\x01' # Alternative Color, Usually Red
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"color": {
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"black": ESC + b"\x72\x00", # Default Color
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"red": ESC + b"\x72\x01", # Alternative Color, Usually Red
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},
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'flip': {
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True: ESC + b'\x7b\x01', # Flip ON
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False: ESC + b'\x7b\x00' # Flip OFF
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"flip": {True: ESC + b"\x7b\x01", False: ESC + b"\x7b\x00"}, # Flip ON # Flip OFF
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"density": {
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0: GS + b"\x7c\x00", # Printing Density -50%
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1: GS + b"\x7c\x01", # Printing Density -37.5%
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2: GS + b"\x7c\x02", # Printing Density -25%
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3: GS + b"\x7c\x03", # Printing Density -12.5%
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4: GS + b"\x7c\x04", # Printing Density 0%
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5: GS + b"\x7c\x08", # Printing Density +50%
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6: GS + b"\x7c\x07", # Printing Density +37.5%
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7: GS + b"\x7c\x06", # Printing Density +25%
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8: GS + b"\x7c\x05", # Printing Density +12.5%
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},
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'density': {
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0: GS + b'\x7c\x00', # Printing Density -50%
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1: GS + b'\x7c\x01', # Printing Density -37.5%
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2: GS + b'\x7c\x02', # Printing Density -25%
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3: GS + b'\x7c\x03', # Printing Density -12.5%
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4: GS + b'\x7c\x04', # Printing Density 0%
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5: GS + b'\x7c\x08', # Printing Density +50%
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6: GS + b'\x7c\x07', # Printing Density +37.5%
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7: GS + b'\x7c\x06', # Printing Density +25%
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8: GS + b'\x7c\x05' # Printing Density +12.5%
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"smooth": {
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True: GS + b"\x62\x01", # Smooth ON
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False: GS + b"\x62\x00", # Smooth OFF
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},
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'smooth': {
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True: GS + b'\x62\x01', # Smooth ON
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False: GS + b'\x62\x00' # Smooth OFF
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},
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'height': { # Custom text height
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"height": { # Custom text height
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1: 0x00,
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2: 0x01,
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3: 0x02,
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@@ -137,9 +142,9 @@ TXT_STYLE = {
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5: 0x04,
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6: 0x05,
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7: 0x06,
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8: 0x07
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8: 0x07,
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},
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'width': { # Custom text width
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"width": { # Custom text width
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1: 0x00,
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2: 0x10,
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3: 0x20,
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@@ -147,101 +152,104 @@ TXT_STYLE = {
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5: 0x40,
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6: 0x50,
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7: 0x60,
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8: 0x70
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}
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8: 0x70,
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},
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}
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# Fonts
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SET_FONT = lambda n: ESC + b'\x4d' + n
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TXT_FONT_A = SET_FONT(b'\x00') # Font type A
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TXT_FONT_B = SET_FONT(b'\x01') # Font type B
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SET_FONT = lambda n: ESC + b"\x4d" + n
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TXT_FONT_A = SET_FONT(b"\x00") # Font type A
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TXT_FONT_B = SET_FONT(b"\x01") # Font type B
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# Spacing
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LINESPACING_RESET = ESC + b'2'
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LINESPACING_RESET = ESC + b"2"
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LINESPACING_FUNCS = {
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60: ESC + b'A', # line_spacing/60 of an inch, 0 <= line_spacing <= 85
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360: ESC + b'+', # line_spacing/360 of an inch, 0 <= line_spacing <= 255
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180: ESC + b'3', # line_spacing/180 of an inch, 0 <= line_spacing <= 255
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60: ESC + b"A", # line_spacing/60 of an inch, 0 <= line_spacing <= 85
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360: ESC + b"+", # line_spacing/360 of an inch, 0 <= line_spacing <= 255
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180: ESC + b"3", # line_spacing/180 of an inch, 0 <= line_spacing <= 255
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}
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# Prefix to change the codepage. You need to attach a byte to indicate
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# the codepage to use. We use escpos-printer-db as the data source.
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CODEPAGE_CHANGE = ESC + b'\x74'
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CODEPAGE_CHANGE = ESC + b"\x74"
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# Barcode format
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_SET_BARCODE_TXT_POS = lambda n: GS + b'H' + n
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BARCODE_TXT_OFF = _SET_BARCODE_TXT_POS(b'\x00') # HRI barcode chars OFF
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BARCODE_TXT_ABV = _SET_BARCODE_TXT_POS(b'\x01') # HRI barcode chars above
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BARCODE_TXT_BLW = _SET_BARCODE_TXT_POS(b'\x02') # HRI barcode chars below
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BARCODE_TXT_BTH = _SET_BARCODE_TXT_POS(b'\x03') # HRI both above and below
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_SET_BARCODE_TXT_POS = lambda n: GS + b"H" + n
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BARCODE_TXT_OFF = _SET_BARCODE_TXT_POS(b"\x00") # HRI barcode chars OFF
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BARCODE_TXT_ABV = _SET_BARCODE_TXT_POS(b"\x01") # HRI barcode chars above
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BARCODE_TXT_BLW = _SET_BARCODE_TXT_POS(b"\x02") # HRI barcode chars below
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BARCODE_TXT_BTH = _SET_BARCODE_TXT_POS(b"\x03") # HRI both above and below
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_SET_HRI_FONT = lambda n: GS + b'f' + n
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BARCODE_FONT_A = _SET_HRI_FONT(b'\x00') # Font type A for HRI barcode chars
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BARCODE_FONT_B = _SET_HRI_FONT(b'\x01') # Font type B for HRI barcode chars
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_SET_HRI_FONT = lambda n: GS + b"f" + n
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BARCODE_FONT_A = _SET_HRI_FONT(b"\x00") # Font type A for HRI barcode chars
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BARCODE_FONT_B = _SET_HRI_FONT(b"\x01") # Font type B for HRI barcode chars
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BARCODE_HEIGHT = GS + b'h' # Barcode Height [1-255]
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BARCODE_WIDTH = GS + b'w' # Barcode Width [2-6]
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BARCODE_HEIGHT = GS + b"h" # Barcode Height [1-255]
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BARCODE_WIDTH = GS + b"w" # Barcode Width [2-6]
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# NOTE: This isn't actually an ESC/POS command. It's the common prefix to the
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# two "print bar code" commands:
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# - Type A: "GS k <type as integer> <data> NUL"
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# - TYPE B: "GS k <type as letter> <data length> <data>"
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# The latter command supports more barcode types
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_SET_BARCODE_TYPE = lambda m: GS + b'k' + six.int2byte(m)
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_SET_BARCODE_TYPE = lambda m: GS + b"k" + six.int2byte(m)
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# Barcodes for printing function type A
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BARCODE_TYPE_A = {
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'UPC-A': _SET_BARCODE_TYPE(0),
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'UPC-E': _SET_BARCODE_TYPE(1),
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'EAN13': _SET_BARCODE_TYPE(2),
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'EAN8': _SET_BARCODE_TYPE(3),
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'CODE39': _SET_BARCODE_TYPE(4),
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'ITF': _SET_BARCODE_TYPE(5),
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'NW7': _SET_BARCODE_TYPE(6),
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'CODABAR': _SET_BARCODE_TYPE(6), # Same as NW7
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"UPC-A": _SET_BARCODE_TYPE(0),
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"UPC-E": _SET_BARCODE_TYPE(1),
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"EAN13": _SET_BARCODE_TYPE(2),
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"EAN8": _SET_BARCODE_TYPE(3),
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"CODE39": _SET_BARCODE_TYPE(4),
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"ITF": _SET_BARCODE_TYPE(5),
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"NW7": _SET_BARCODE_TYPE(6),
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"CODABAR": _SET_BARCODE_TYPE(6), # Same as NW7
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}
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# Barcodes for printing function type B
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# The first 8 are the same barcodes as type A
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BARCODE_TYPE_B = {
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'UPC-A': _SET_BARCODE_TYPE(65),
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'UPC-E': _SET_BARCODE_TYPE(66),
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'EAN13': _SET_BARCODE_TYPE(67),
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'EAN8': _SET_BARCODE_TYPE(68),
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'CODE39': _SET_BARCODE_TYPE(69),
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'ITF': _SET_BARCODE_TYPE(70),
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'NW7': _SET_BARCODE_TYPE(71),
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'CODABAR': _SET_BARCODE_TYPE(71), # Same as NW7
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'CODE93': _SET_BARCODE_TYPE(72),
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'CODE128': _SET_BARCODE_TYPE(73),
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'GS1-128': _SET_BARCODE_TYPE(74),
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'GS1 DATABAR OMNIDIRECTIONAL': _SET_BARCODE_TYPE(75),
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'GS1 DATABAR TRUNCATED': _SET_BARCODE_TYPE(76),
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'GS1 DATABAR LIMITED': _SET_BARCODE_TYPE(77),
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'GS1 DATABAR EXPANDED': _SET_BARCODE_TYPE(78),
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"UPC-A": _SET_BARCODE_TYPE(65),
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"UPC-E": _SET_BARCODE_TYPE(66),
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"EAN13": _SET_BARCODE_TYPE(67),
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"EAN8": _SET_BARCODE_TYPE(68),
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"CODE39": _SET_BARCODE_TYPE(69),
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"ITF": _SET_BARCODE_TYPE(70),
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"NW7": _SET_BARCODE_TYPE(71),
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"CODABAR": _SET_BARCODE_TYPE(71), # Same as NW7
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"CODE93": _SET_BARCODE_TYPE(72),
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"CODE128": _SET_BARCODE_TYPE(73),
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"GS1-128": _SET_BARCODE_TYPE(74),
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"GS1 DATABAR OMNIDIRECTIONAL": _SET_BARCODE_TYPE(75),
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"GS1 DATABAR TRUNCATED": _SET_BARCODE_TYPE(76),
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"GS1 DATABAR LIMITED": _SET_BARCODE_TYPE(77),
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"GS1 DATABAR EXPANDED": _SET_BARCODE_TYPE(78),
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}
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BARCODE_FORMATS = {
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'UPC-A': ([(11, 12)], "^[0-9]{11,12}$"),
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'UPC-E': ([(7, 8), (11, 12)], "^([0-9]{7,8}|[0-9]{11,12})$"),
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'EAN13': ([(12, 13)], "^[0-9]{12,13}$"),
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'EAN8': ([(7, 8)], "^[0-9]{7,8}$"),
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'CODE39': ([(1, 255)], "^([0-9A-Z \$\%\+\-\.\/]+|\*[0-9A-Z \$\%\+\-\.\/]+\*)$"),
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'ITF': ([(2, 255)], "^([0-9]{2})+$"),
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'NW7': ([(1, 255)], "^[A-Da-d][0-9\$\+\-\.\/\:]+[A-Da-d]$"),
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'CODABAR': ([(1, 255)], "^[A-Da-d][0-9\$\+\-\.\/\:]+[A-Da-d]$"), # Same as NW7
|
||||
'CODE93': ([(1, 255)], "^[\\x00-\\x7F]+$"),
|
||||
'CODE128': ([(2, 255)], "^\{[A-C][\\x00-\\x7F]+$"),
|
||||
'GS1-128': ([(2, 255)], "^\{[A-C][\\x00-\\x7F]+$"), # same as CODE128
|
||||
'GS1 DATABAR OMNIDIRECTIONAL': ([(13,13)], "^[0-9]{13}$"),
|
||||
'GS1 DATABAR TRUNCATED': ([(13,13)], "^[0-9]{13}$"), # same as GS1 omnidirectional
|
||||
'GS1 DATABAR LIMITED': ([(13,13)], "^[01][0-9]{12}$"),
|
||||
'GS1 DATABAR EXPANDED': ([(2,255)], "^\([0-9][A-Za-z0-9 \!\"\%\&\'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\_\{]+$"),
|
||||
"UPC-A": ([(11, 12)], "^[0-9]{11,12}$"),
|
||||
"UPC-E": ([(7, 8), (11, 12)], "^([0-9]{7,8}|[0-9]{11,12})$"),
|
||||
"EAN13": ([(12, 13)], "^[0-9]{12,13}$"),
|
||||
"EAN8": ([(7, 8)], "^[0-9]{7,8}$"),
|
||||
"CODE39": ([(1, 255)], "^([0-9A-Z \$\%\+\-\.\/]+|\*[0-9A-Z \$\%\+\-\.\/]+\*)$"),
|
||||
"ITF": ([(2, 255)], "^([0-9]{2})+$"),
|
||||
"NW7": ([(1, 255)], "^[A-Da-d][0-9\$\+\-\.\/\:]+[A-Da-d]$"),
|
||||
"CODABAR": ([(1, 255)], "^[A-Da-d][0-9\$\+\-\.\/\:]+[A-Da-d]$"), # Same as NW7
|
||||
"CODE93": ([(1, 255)], "^[\\x00-\\x7F]+$"),
|
||||
"CODE128": ([(2, 255)], "^\{[A-C][\\x00-\\x7F]+$"),
|
||||
"GS1-128": ([(2, 255)], "^\{[A-C][\\x00-\\x7F]+$"), # same as CODE128
|
||||
"GS1 DATABAR OMNIDIRECTIONAL": ([(13, 13)], "^[0-9]{13}$"),
|
||||
"GS1 DATABAR TRUNCATED": ([(13, 13)], "^[0-9]{13}$"), # same as GS1 omnidirectional
|
||||
"GS1 DATABAR LIMITED": ([(13, 13)], "^[01][0-9]{12}$"),
|
||||
"GS1 DATABAR EXPANDED": (
|
||||
[(2, 255)],
|
||||
"^\([0-9][A-Za-z0-9 \!\"\%\&'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\_\{]+$",
|
||||
),
|
||||
}
|
||||
|
||||
BARCODE_TYPES = {
|
||||
'A': BARCODE_TYPE_A,
|
||||
'B': BARCODE_TYPE_B,
|
||||
"A": BARCODE_TYPE_A,
|
||||
"B": BARCODE_TYPE_B,
|
||||
}
|
||||
|
||||
# QRCode error correction levels
|
||||
@@ -258,17 +266,17 @@ QR_MICRO = 3
|
||||
# Image format
|
||||
# NOTE: _PRINT_RASTER_IMG is the obsolete ESC/POS "print raster bit image"
|
||||
# command. The constants include a fragment of the data's header.
|
||||
_PRINT_RASTER_IMG = lambda data: GS + b'v0' + data
|
||||
S_RASTER_N = _PRINT_RASTER_IMG(b'\x00') # Set raster image normal size
|
||||
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
|
||||
_PRINT_RASTER_IMG = lambda data: GS + b"v0" + data
|
||||
S_RASTER_N = _PRINT_RASTER_IMG(b"\x00") # Set raster image normal size
|
||||
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
|
||||
|
||||
# Status Command
|
||||
RT_STATUS = DLE + EOT
|
||||
RT_STATUS_ONLINE = RT_STATUS + b'\x01'
|
||||
RT_STATUS_PAPER = RT_STATUS + b'\x04'
|
||||
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
|
||||
RT_MASK_NOPAPER = 114
|
||||
|
||||
Reference in New Issue
Block a user