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193 lines
5.5 KiB
193 lines
5.5 KiB
2 years ago
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#
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# Emulation of has_key() function for platforms that don't use ncurses
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#
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import _curses
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# Table mapping curses keys to the terminfo capability name
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_capability_names = {
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_curses.KEY_A1: 'ka1',
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_curses.KEY_A3: 'ka3',
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_curses.KEY_B2: 'kb2',
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_curses.KEY_BACKSPACE: 'kbs',
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_curses.KEY_BEG: 'kbeg',
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_curses.KEY_BTAB: 'kcbt',
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_curses.KEY_C1: 'kc1',
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_curses.KEY_C3: 'kc3',
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_curses.KEY_CANCEL: 'kcan',
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_curses.KEY_CATAB: 'ktbc',
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_curses.KEY_CLEAR: 'kclr',
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_curses.KEY_CLOSE: 'kclo',
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_curses.KEY_COMMAND: 'kcmd',
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_curses.KEY_COPY: 'kcpy',
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_curses.KEY_CREATE: 'kcrt',
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_curses.KEY_CTAB: 'kctab',
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_curses.KEY_DC: 'kdch1',
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_curses.KEY_DL: 'kdl1',
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_curses.KEY_DOWN: 'kcud1',
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_curses.KEY_EIC: 'krmir',
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_curses.KEY_END: 'kend',
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_curses.KEY_ENTER: 'kent',
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_curses.KEY_EOL: 'kel',
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_curses.KEY_EOS: 'ked',
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_curses.KEY_EXIT: 'kext',
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_curses.KEY_F0: 'kf0',
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_curses.KEY_F1: 'kf1',
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_curses.KEY_F10: 'kf10',
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_curses.KEY_F11: 'kf11',
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_curses.KEY_F12: 'kf12',
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_curses.KEY_F13: 'kf13',
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_curses.KEY_F14: 'kf14',
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_curses.KEY_F15: 'kf15',
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_curses.KEY_F16: 'kf16',
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_curses.KEY_F17: 'kf17',
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_curses.KEY_F18: 'kf18',
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_curses.KEY_F19: 'kf19',
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_curses.KEY_F2: 'kf2',
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_curses.KEY_F20: 'kf20',
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_curses.KEY_F21: 'kf21',
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_curses.KEY_F22: 'kf22',
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_curses.KEY_F23: 'kf23',
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_curses.KEY_F24: 'kf24',
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_curses.KEY_F25: 'kf25',
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_curses.KEY_F26: 'kf26',
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_curses.KEY_F27: 'kf27',
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_curses.KEY_F28: 'kf28',
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_curses.KEY_F29: 'kf29',
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_curses.KEY_F3: 'kf3',
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_curses.KEY_F30: 'kf30',
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_curses.KEY_F31: 'kf31',
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_curses.KEY_F32: 'kf32',
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_curses.KEY_F33: 'kf33',
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_curses.KEY_F34: 'kf34',
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_curses.KEY_F35: 'kf35',
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_curses.KEY_F36: 'kf36',
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_curses.KEY_F37: 'kf37',
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_curses.KEY_F38: 'kf38',
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_curses.KEY_F39: 'kf39',
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_curses.KEY_F4: 'kf4',
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_curses.KEY_F40: 'kf40',
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_curses.KEY_F41: 'kf41',
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_curses.KEY_F42: 'kf42',
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_curses.KEY_F43: 'kf43',
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_curses.KEY_F44: 'kf44',
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_curses.KEY_F45: 'kf45',
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_curses.KEY_F46: 'kf46',
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_curses.KEY_F47: 'kf47',
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_curses.KEY_F48: 'kf48',
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_curses.KEY_F49: 'kf49',
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_curses.KEY_F5: 'kf5',
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_curses.KEY_F50: 'kf50',
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_curses.KEY_F51: 'kf51',
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_curses.KEY_F52: 'kf52',
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_curses.KEY_F53: 'kf53',
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_curses.KEY_F54: 'kf54',
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_curses.KEY_F55: 'kf55',
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_curses.KEY_F56: 'kf56',
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_curses.KEY_F57: 'kf57',
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_curses.KEY_F58: 'kf58',
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_curses.KEY_F59: 'kf59',
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_curses.KEY_F6: 'kf6',
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_curses.KEY_F60: 'kf60',
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_curses.KEY_F61: 'kf61',
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_curses.KEY_F62: 'kf62',
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_curses.KEY_F63: 'kf63',
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_curses.KEY_F7: 'kf7',
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_curses.KEY_F8: 'kf8',
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_curses.KEY_F9: 'kf9',
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_curses.KEY_FIND: 'kfnd',
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_curses.KEY_HELP: 'khlp',
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_curses.KEY_HOME: 'khome',
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_curses.KEY_IC: 'kich1',
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_curses.KEY_IL: 'kil1',
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_curses.KEY_LEFT: 'kcub1',
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_curses.KEY_LL: 'kll',
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_curses.KEY_MARK: 'kmrk',
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_curses.KEY_MESSAGE: 'kmsg',
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_curses.KEY_MOVE: 'kmov',
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_curses.KEY_NEXT: 'knxt',
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_curses.KEY_NPAGE: 'knp',
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_curses.KEY_OPEN: 'kopn',
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_curses.KEY_OPTIONS: 'kopt',
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_curses.KEY_PPAGE: 'kpp',
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_curses.KEY_PREVIOUS: 'kprv',
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_curses.KEY_PRINT: 'kprt',
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_curses.KEY_REDO: 'krdo',
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_curses.KEY_REFERENCE: 'kref',
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_curses.KEY_REFRESH: 'krfr',
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_curses.KEY_REPLACE: 'krpl',
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_curses.KEY_RESTART: 'krst',
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_curses.KEY_RESUME: 'kres',
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_curses.KEY_RIGHT: 'kcuf1',
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_curses.KEY_SAVE: 'ksav',
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_curses.KEY_SBEG: 'kBEG',
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_curses.KEY_SCANCEL: 'kCAN',
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_curses.KEY_SCOMMAND: 'kCMD',
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_curses.KEY_SCOPY: 'kCPY',
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_curses.KEY_SCREATE: 'kCRT',
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_curses.KEY_SDC: 'kDC',
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_curses.KEY_SDL: 'kDL',
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_curses.KEY_SELECT: 'kslt',
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_curses.KEY_SEND: 'kEND',
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_curses.KEY_SEOL: 'kEOL',
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_curses.KEY_SEXIT: 'kEXT',
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_curses.KEY_SF: 'kind',
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_curses.KEY_SFIND: 'kFND',
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_curses.KEY_SHELP: 'kHLP',
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_curses.KEY_SHOME: 'kHOM',
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_curses.KEY_SIC: 'kIC',
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_curses.KEY_SLEFT: 'kLFT',
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_curses.KEY_SMESSAGE: 'kMSG',
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_curses.KEY_SMOVE: 'kMOV',
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_curses.KEY_SNEXT: 'kNXT',
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_curses.KEY_SOPTIONS: 'kOPT',
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_curses.KEY_SPREVIOUS: 'kPRV',
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_curses.KEY_SPRINT: 'kPRT',
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_curses.KEY_SR: 'kri',
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_curses.KEY_SREDO: 'kRDO',
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_curses.KEY_SREPLACE: 'kRPL',
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_curses.KEY_SRIGHT: 'kRIT',
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_curses.KEY_SRSUME: 'kRES',
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_curses.KEY_SSAVE: 'kSAV',
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_curses.KEY_SSUSPEND: 'kSPD',
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_curses.KEY_STAB: 'khts',
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_curses.KEY_SUNDO: 'kUND',
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_curses.KEY_SUSPEND: 'kspd',
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_curses.KEY_UNDO: 'kund',
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_curses.KEY_UP: 'kcuu1'
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}
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def has_key(ch):
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if isinstance(ch, str):
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ch = ord(ch)
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# Figure out the correct capability name for the keycode.
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capability_name = _capability_names.get(ch)
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if capability_name is None:
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return False
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#Check the current terminal description for that capability;
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#if present, return true, else return false.
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if _curses.tigetstr( capability_name ):
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return True
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else:
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return False
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if __name__ == '__main__':
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# Compare the output of this implementation and the ncurses has_key,
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# on platforms where has_key is already available
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try:
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L = []
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_curses.initscr()
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for key in _capability_names.keys():
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system = _curses.has_key(key)
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python = has_key(key)
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if system != python:
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L.append( 'Mismatch for key %s, system=%i, Python=%i'
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% (_curses.keyname( key ), system, python) )
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finally:
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_curses.endwin()
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for i in L: print(i)
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