mirror of
https://github.com/python-escpos/python-escpos
synced 2025-10-23 09:30:00 +00:00
Merge branch 'master' into belono/issue445
This commit is contained in:
Benito López
@@ -25,4 +25,3 @@ python:
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- requirements: doc/requirements.txt
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- method: pip
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path: .
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system_packages: false
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@@ -12,33 +12,37 @@ moved to `capabilities` as in `escpos-php by @mike42 <https://github.com/mike42/
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"""
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from typing import Dict
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import six
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from .types import ConstTxtStyleClass
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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: bytes = b"\x00"
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EOT: bytes = b"\x04"
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ENQ: bytes = b"\x05"
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DLE: bytes = b"\x10"
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DC4: bytes = b"\x14"
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CAN: bytes = b"\x18"
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ESC: bytes = b"\x1b"
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FS: bytes = b"\x1c"
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GS: bytes = 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: bytes = b"\n" #: Print and line feed
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CTL_FF: bytes = b"\f" #: Form feed
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CTL_CR: bytes = b"\r" #: Carriage return
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CTL_HT: bytes = b"\t" #: Horizontal tab
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CTL_SET_HT: bytes = ESC + b"\x44" #: Set horizontal tab positions
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CTL_VT: bytes = 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: bytes = ESC + b"@" # Clear data in buffer and reset modes
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HW_SELECT: bytes = ESC + b"=\x01" # Printer select
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HW_RESET = ESC + b"\x3f\x0a\x00" # Reset printer hardware
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HW_RESET: bytes = 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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@@ -55,54 +59,54 @@ CD_KICK_DEC_SEQUENCE = (
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+ six.int2byte(t2)
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)
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#: Sends a pulse to pin 2 []
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CD_KICK_2 = _CASH_DRAWER(b"\x00", 50, 50)
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CD_KICK_2: bytes = _CASH_DRAWER(b"\x00", 50, 50)
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#: Sends a pulse to pin 5 []
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CD_KICK_5 = _CASH_DRAWER(b"\x01", 50, 50)
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CD_KICK_5: bytes = _CASH_DRAWER(b"\x01", 50, 50)
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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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PAPER_FULL_CUT: bytes = _CUT_PAPER(b"\x00") #: Full cut paper
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PAPER_PART_CUT: bytes = _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: bytes = b"\x07"
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# Internal buzzer (only supported printers)
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BUZZER = ESC + b"\x42"
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BUZZER: bytes = ESC + b"\x42"
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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_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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PANEL_BUTTON_ON: bytes = _PANEL_BUTTON(0) # enable all panel buttons
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PANEL_BUTTON_OFF: bytes = _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: bytes = ESC + b"\x3d\x02"
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LINE_DISPLAY_CLEAR: bytes = ESC + b"\x40"
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LINE_DISPLAY_CLOSE: bytes = 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: bytes = ESC + b"\x63\x30\x04" # slip paper
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SHEET_ROLL_MODE: bytes = ESC + b"\x63\x30\x01" # paper roll
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# Slip specific codes
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SLIP_EJECT = ESC + b"\x4b\xc0" # Eject the slip or cheque
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SLIP_SELECT = FS # Select the slip station as default station
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SLIP_SET_WAIT_TIME = (
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SLIP_EJECT: bytes = ESC + b"\x4b\xc0" # Eject the slip or cheque
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SLIP_SELECT: bytes = FS # Select the slip station as default station
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SLIP_SET_WAIT_TIME: bytes = (
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ESC + b"\x1b\x66"
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) # Set timeout waiting for a slip/cheque to be inserted
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SLIP_PRINT_AND_EJECT = (
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SLIP_PRINT_AND_EJECT: bytes = (
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b"\x0c" # Print the buffer and eject (after waiting for the paper to be inserted)
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)
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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: bytes = GS + b"!"
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TXT_NORMAL = ESC + b"!\x00" # Normal text
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TXT_NORMAL: bytes = ESC + b"!\x00" # Normal text
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TXT_STYLE = {
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#: text style dictionary for :py:meth:`escpos.escpos.Escpos.set`
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TXT_STYLE: ConstTxtStyleClass = {
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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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@@ -175,12 +179,12 @@ TXT_STYLE = {
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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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TXT_FONT_A: bytes = SET_FONT(b"\x00") #: Font type A
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TXT_FONT_B: bytes = 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_FUNCS = {
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LINESPACING_FUNCS: Dict[int, bytes] = {
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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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@@ -188,21 +192,21 @@ LINESPACING_FUNCS = {
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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: bytes = 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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BARCODE_TXT_OFF: bytes = _SET_BARCODE_TXT_POS(b"\x00") #: HRI barcode chars OFF
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BARCODE_TXT_ABV: bytes = _SET_BARCODE_TXT_POS(b"\x01") #: HRI barcode chars above
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BARCODE_TXT_BLW: bytes = _SET_BARCODE_TXT_POS(b"\x02") #: HRI barcode chars below
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BARCODE_TXT_BTH: bytes = _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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BARCODE_FONT_A: bytes = _SET_HRI_FONT(b"\x00") #: Font type A for HRI barcode chars
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BARCODE_FONT_B: bytes = _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: bytes = GS + b"h" #: Barcode Height [1-255]
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BARCODE_WIDTH: bytes = 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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@@ -212,7 +216,7 @@ BARCODE_WIDTH = GS + b"w" #: Barcode Width [2-6]
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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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BARCODE_TYPE_A: Dict[str, bytes] = {
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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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@@ -225,7 +229,7 @@ BARCODE_TYPE_A = {
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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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BARCODE_TYPE_B: Dict[str, bytes] = {
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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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@@ -265,36 +269,36 @@ BARCODE_FORMATS = {
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),
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}
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BARCODE_TYPES = {
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BARCODE_TYPES: Dict[str, Dict[str, bytes]] = {
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"A": BARCODE_TYPE_A,
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"B": BARCODE_TYPE_B,
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}
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# QRCode error correction levels
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QR_ECLEVEL_L = 0
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QR_ECLEVEL_M = 1
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QR_ECLEVEL_Q = 2
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QR_ECLEVEL_H = 3
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QR_ECLEVEL_L: int = 0
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QR_ECLEVEL_M: int = 1
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QR_ECLEVEL_Q: int = 2
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QR_ECLEVEL_H: int = 3
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# QRcode models
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QR_MODEL_1 = 1
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QR_MODEL_2 = 2
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QR_MICRO = 3
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QR_MODEL_1: int = 1
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QR_MODEL_2: int = 2
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QR_MICRO: int = 3
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# Image format
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# NOTE: _PRINT_RASTER_IMG is the obsolete ESC/POS "print raster bit image"
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# command. The constants include a fragment of the data's header.
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_PRINT_RASTER_IMG = lambda data: GS + b"v0" + data
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S_RASTER_N = _PRINT_RASTER_IMG(b"\x00") # Set raster image normal size
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S_RASTER_2W = _PRINT_RASTER_IMG(b"\x01") # Set raster image double width
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S_RASTER_2H = _PRINT_RASTER_IMG(b"\x02") # Set raster image double height
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S_RASTER_Q = _PRINT_RASTER_IMG(b"\x03") # Set raster image quadruple
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S_RASTER_N: bytes = _PRINT_RASTER_IMG(b"\x00") # Set raster image normal size
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S_RASTER_2W: bytes = _PRINT_RASTER_IMG(b"\x01") # Set raster image double width
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S_RASTER_2H: bytes = _PRINT_RASTER_IMG(b"\x02") # Set raster image double height
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S_RASTER_Q: bytes = _PRINT_RASTER_IMG(b"\x03") # Set raster image quadruple
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# Status Command
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RT_STATUS = DLE + EOT
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RT_STATUS_ONLINE = RT_STATUS + b"\x01"
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RT_STATUS_PAPER = RT_STATUS + b"\x04"
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RT_MASK_ONLINE = 8
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RT_MASK_PAPER = 18
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RT_MASK_LOWPAPER = 30
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RT_MASK_NOPAPER = 114
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RT_STATUS: bytes = DLE + EOT
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RT_STATUS_ONLINE: bytes = RT_STATUS + b"\x01"
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RT_STATUS_PAPER: bytes = RT_STATUS + b"\x04"
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RT_MASK_ONLINE: int = 8
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RT_MASK_PAPER: int = 18
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RT_MASK_LOWPAPER: int = 30
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RT_MASK_NOPAPER: int = 114
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@@ -938,10 +938,10 @@ class Escpos(object):
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"""
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if custom_size:
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if (
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1 <= width <= 8
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and 1 <= height <= 8
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and isinstance(width, int)
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isinstance(width, int)
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and isinstance(height, int)
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and 1 <= width <= 8
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and 1 <= height <= 8
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):
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size_byte = TXT_STYLE["width"][width] + TXT_STYLE["height"][height]
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self._raw(TXT_SIZE + six.int2byte(size_byte))
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23
src/escpos/types/__init__.py
Normal file
23
src/escpos/types/__init__.py
Normal file
@@ -0,0 +1,23 @@
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# -*- coding: utf-8 -*-
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"""Custom types."""
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from typing import Dict
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from typing_extensions import TypedDict
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class ConstTxtStyleClass(TypedDict):
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"""Describe type of :py:data:`escpos.constants.TXT_STYLES`."""
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bold: Dict[bool, bytes]
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underline: Dict[int, bytes]
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size: Dict[str, bytes]
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font: Dict[str, bytes]
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align: Dict[str, bytes]
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invert: Dict[bool, bytes]
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color: Dict[str, bytes]
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flip: Dict[bool, bytes]
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density: Dict[int, bytes]
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smooth: Dict[bool, bytes]
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height: Dict[int, int]
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width: Dict[int, int]
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Reference in New Issue
Block a user