| 1 | n/a | """Constants and membership tests for ASCII characters""" | 
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| 2 | n/a |  | 
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| 3 | n/a | NUL     = 0x00  # ^@ | 
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| 4 | n/a | SOH     = 0x01  # ^A | 
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| 5 | n/a | STX     = 0x02  # ^B | 
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| 6 | n/a | ETX     = 0x03  # ^C | 
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| 7 | n/a | EOT     = 0x04  # ^D | 
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| 8 | n/a | ENQ     = 0x05  # ^E | 
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| 9 | n/a | ACK     = 0x06  # ^F | 
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| 10 | n/a | BEL     = 0x07  # ^G | 
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| 11 | n/a | BS      = 0x08  # ^H | 
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| 12 | n/a | TAB     = 0x09  # ^I | 
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| 13 | n/a | HT      = 0x09  # ^I | 
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| 14 | n/a | LF      = 0x0a  # ^J | 
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| 15 | n/a | NL      = 0x0a  # ^J | 
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| 16 | n/a | VT      = 0x0b  # ^K | 
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| 17 | n/a | FF      = 0x0c  # ^L | 
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| 18 | n/a | CR      = 0x0d  # ^M | 
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| 19 | n/a | SO      = 0x0e  # ^N | 
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| 20 | n/a | SI      = 0x0f  # ^O | 
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| 21 | n/a | DLE     = 0x10  # ^P | 
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| 22 | n/a | DC1     = 0x11  # ^Q | 
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| 23 | n/a | DC2     = 0x12  # ^R | 
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| 24 | n/a | DC3     = 0x13  # ^S | 
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| 25 | n/a | DC4     = 0x14  # ^T | 
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| 26 | n/a | NAK     = 0x15  # ^U | 
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| 27 | n/a | SYN     = 0x16  # ^V | 
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| 28 | n/a | ETB     = 0x17  # ^W | 
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| 29 | n/a | CAN     = 0x18  # ^X | 
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| 30 | n/a | EM      = 0x19  # ^Y | 
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| 31 | n/a | SUB     = 0x1a  # ^Z | 
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| 32 | n/a | ESC     = 0x1b  # ^[ | 
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| 33 | n/a | FS      = 0x1c  # ^\ | 
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| 34 | n/a | GS      = 0x1d  # ^] | 
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| 35 | n/a | RS      = 0x1e  # ^^ | 
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| 36 | n/a | US      = 0x1f  # ^_ | 
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| 37 | n/a | SP      = 0x20  # space | 
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| 38 | n/a | DEL     = 0x7f  # delete | 
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| 39 | n/a |  | 
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| 40 | n/a | controlnames = [ | 
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| 41 | n/a | "NUL", "SOH", "STX", "ETX", "EOT", "ENQ", "ACK", "BEL", | 
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| 42 | n/a | "BS",  "HT",  "LF",  "VT",  "FF",  "CR",  "SO",  "SI", | 
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| 43 | n/a | "DLE", "DC1", "DC2", "DC3", "DC4", "NAK", "SYN", "ETB", | 
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| 44 | n/a | "CAN", "EM",  "SUB", "ESC", "FS",  "GS",  "RS",  "US", | 
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| 45 | n/a | "SP" | 
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| 46 | n/a | ] | 
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| 47 | n/a |  | 
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| 48 | n/a | def _ctoi(c): | 
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| 49 | n/a |     if type(c) == type(""): | 
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| 50 | n/a |         return ord(c) | 
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| 51 | n/a |     else: | 
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| 52 | n/a |         return c | 
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| 53 | n/a |  | 
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| 54 | n/a | def isalnum(c): return isalpha(c) or isdigit(c) | 
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| 55 | n/a | def isalpha(c): return isupper(c) or islower(c) | 
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| 56 | n/a | def isascii(c): return 0 <= _ctoi(c) <= 127          # ? | 
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| 57 | n/a | def isblank(c): return _ctoi(c) in (9, 32) | 
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| 58 | n/a | def iscntrl(c): return 0 <= _ctoi(c) <= 31 or _ctoi(c) == 127 | 
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| 59 | n/a | def isdigit(c): return 48 <= _ctoi(c) <= 57 | 
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| 60 | n/a | def isgraph(c): return 33 <= _ctoi(c) <= 126 | 
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| 61 | n/a | def islower(c): return 97 <= _ctoi(c) <= 122 | 
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| 62 | n/a | def isprint(c): return 32 <= _ctoi(c) <= 126 | 
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| 63 | n/a | def ispunct(c): return isgraph(c) and not isalnum(c) | 
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| 64 | n/a | def isspace(c): return _ctoi(c) in (9, 10, 11, 12, 13, 32) | 
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| 65 | n/a | def isupper(c): return 65 <= _ctoi(c) <= 90 | 
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| 66 | n/a | def isxdigit(c): return isdigit(c) or \ | 
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| 67 | n/a |     (65 <= _ctoi(c) <= 70) or (97 <= _ctoi(c) <= 102) | 
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| 68 | n/a | def isctrl(c): return 0 <= _ctoi(c) < 32 | 
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| 69 | n/a | def ismeta(c): return _ctoi(c) > 127 | 
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| 70 | n/a |  | 
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| 71 | n/a | def ascii(c): | 
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| 72 | n/a |     if type(c) == type(""): | 
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| 73 | n/a |         return chr(_ctoi(c) & 0x7f) | 
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| 74 | n/a |     else: | 
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| 75 | n/a |         return _ctoi(c) & 0x7f | 
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| 76 | n/a |  | 
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| 77 | n/a | def ctrl(c): | 
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| 78 | n/a |     if type(c) == type(""): | 
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| 79 | n/a |         return chr(_ctoi(c) & 0x1f) | 
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| 80 | n/a |     else: | 
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| 81 | n/a |         return _ctoi(c) & 0x1f | 
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| 82 | n/a |  | 
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| 83 | n/a | def alt(c): | 
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| 84 | n/a |     if type(c) == type(""): | 
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| 85 | n/a |         return chr(_ctoi(c) | 0x80) | 
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| 86 | n/a |     else: | 
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| 87 | n/a |         return _ctoi(c) | 0x80 | 
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| 88 | n/a |  | 
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| 89 | n/a | def unctrl(c): | 
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| 90 | n/a |     bits = _ctoi(c) | 
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| 91 | n/a |     if bits == 0x7f: | 
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| 92 | n/a |         rep = "^?" | 
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| 93 | n/a |     elif isprint(bits & 0x7f): | 
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| 94 | n/a |         rep = chr(bits & 0x7f) | 
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| 95 | n/a |     else: | 
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| 96 | n/a |         rep = "^" + chr(((bits & 0x7f) | 0x20) + 0x20) | 
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| 97 | n/a |     if bits & 0x80: | 
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| 98 | n/a |         return "!" + rep | 
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| 99 | n/a |     return rep | 
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