_term.py 文件源码

python
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项目:deb-python-rcssmin 作者: openstack 项目源码 文件源码
def __init__(self):
        """ Initialization """
        dict.__init__(self, {
            'NORMAL': '',
            'BOLD': '',
            'ERASE': '\n',
            'RED': '',
            'YELLOW': '',
            'GREEN': '',
        })
        try:
            import curses as _curses
        except ImportError:
            # fixup if a submodule of curses failed.
            if 'curses' in _sys.modules:
                del _sys.modules['curses']
        else:
            try:
                _curses.setupterm()
            except (TypeError, _curses.error):
                pass
            else:
                def make_color(color):
                    """ Make color control string """
                    seq = _curses.tigetstr('setaf')
                    if seq is not None:
                        seq = _curses.tparm(seq, color)
                    return seq

                self['NORMAL'] = _curses.tigetstr('sgr0')
                self['BOLD'] = _curses.tigetstr('bold')

                erase = _curses.tigetstr('el1')
                if erase is not None:
                    self['ERASE'] = erase + _curses.tigetstr('cr')

                self['RED'] = make_color(_curses.COLOR_RED)
                self['YELLOW'] = make_color(_curses.COLOR_YELLOW)
                self['GREEN'] = make_color(_curses.COLOR_GREEN)
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