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162 lines
3.0 KiB
Python
162 lines
3.0 KiB
Python
"""
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oec.display
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~~~~~~~~~~~
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"""
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_ASCII_CHAR_MAP = {
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'>': 0x08,
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'<': 0x09,
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'[': 0x0a,
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']': 0x0b,
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')': 0x0c,
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'(': 0x0d,
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'}': 0x0e,
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'{': 0x0f,
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# 0x10 - A real space?
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'=': 0x11,
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'\'': 0x12,
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'"': 0x13,
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'/': 0x14,
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'\\': 0x15,
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'|': 0x16,
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'¦': 0x17,
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'?': 0x18,
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'!': 0x19,
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'$': 0x1a,
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'¢': 0x1b,
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'£': 0x1c,
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'¥': 0x1d,
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# 0x1e - A P/T looking symbol
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# 0x1f - A intertwined parens symbol
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'0': 0x20,
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'1': 0x21,
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'2': 0x22,
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'3': 0x23,
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'4': 0x24,
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'5': 0x25,
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'6': 0x26,
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'7': 0x27,
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'8': 0x28,
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'9': 0x29,
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'ß': 0x2a,
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'§': 0x2b,
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'#': 0x2c,
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'@': 0x2d,
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'%': 0x2e,
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'_': 0x2f,
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'&': 0x30,
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'-': 0x31,
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'.': 0x32,
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',': 0x33,
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':': 0x34,
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'+': 0x35,
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'¬': 0x36,
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'¯': 0x37, # ???
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'°': 0x38,
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# 0x39 - Accent?
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# 0x3a - Accent?
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# 0x3b - A tilde? It looks more like an accent...
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'¨': 0x3c,
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# 0x3d - Accute accent?
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# 0x3e - Opposite of accute accent?
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# 0x3f - A more extreme comma?
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'a': 0x80,
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'b': 0x81,
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'c': 0x82,
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'd': 0x83,
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'e': 0x84,
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'f': 0x85,
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'g': 0x86,
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'h': 0x87,
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'i': 0x88,
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'j': 0x89,
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'k': 0x8a,
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'l': 0x8b,
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'm': 0x8c,
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'n': 0x8d,
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'o': 0x8e,
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'p': 0x8f,
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'q': 0x90,
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'r': 0x91,
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's': 0x92,
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't': 0x93,
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'u': 0x94,
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'v': 0x95,
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'w': 0x96,
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'x': 0x97,
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'y': 0x98,
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'z': 0x99,
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'æ': 0x9a,
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'ø': 0x9b,
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'å': 0x9c,
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'ç': 0x9d,
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# 0x9e - Semi colon with top line
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# 0x9f - Asterisk with top line
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'A': 0xa0,
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'B': 0xa1,
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'C': 0xa2,
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'D': 0xa3,
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'E': 0xa4,
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'F': 0xa5,
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'G': 0xa6,
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'H': 0xa7,
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'I': 0xa8,
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'J': 0xa9,
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'K': 0xaa,
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'L': 0xab,
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'M': 0xac,
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'N': 0xad,
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'O': 0xae,
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'P': 0xaf,
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'Q': 0xb0,
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'R': 0xb1,
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'S': 0xb2,
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'T': 0xb3,
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'U': 0xb4,
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'V': 0xb5,
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'W': 0xb6,
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'X': 0xb7,
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'Y': 0xb8,
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'Z': 0xb9,
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'Æ': 0xba,
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'Ø': 0xbb,
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'Å': 0xbc,
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'Ç': 0xbd,
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';': 0xbe,
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'*': 0xbf
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}
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ASCII_CHAR_MAP = [_ASCII_CHAR_MAP.get(character, 0x00) for character in map(chr, range(256))]
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def encode_ascii_character(character):
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"""Map an ASCII character to a terminal display character."""
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if character > 255:
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return 0x00
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return ASCII_CHAR_MAP[character]
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def encode_string(string, errors='replace'):
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"""Map a string to terminal display characters."""
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return bytes([encode_ascii_character(character) for character
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in string.encode('ascii', errors)])
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# TODO: remove default columns
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# TODO: add validation of column and data length for write() - must be inside status line
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class StatusLine:
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def __init__(self, interface, columns=80):
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self.interface = interface
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self.columns = columns
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def write(self, column, data):
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self.interface.offload_write(data, address=column, restore_original_address=True)
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def write_string(self, column, string):
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self.write(column, encode_string(string))
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