102 lines
2.9 KiB
Python
102 lines
2.9 KiB
Python
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"""
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Cross-platform color text printing
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Based on colorama (see pyqtgraph/util/colorama/README.txt)
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"""
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import sys, re
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from .colorama.winterm import WinTerm, WinColor, WinStyle
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from .colorama.win32 import windll
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_WIN = sys.platform.startswith('win')
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if windll is not None:
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winterm = WinTerm()
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else:
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_WIN = False
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def winset(reset=False, fore=None, back=None, style=None, stderr=False):
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if reset:
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winterm.reset_all()
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if fore is not None:
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winterm.fore(fore, stderr)
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if back is not None:
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winterm.back(back, stderr)
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if style is not None:
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winterm.style(style, stderr)
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ANSI = {}
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WIN = {}
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for i,color in enumerate(['BLACK', 'RED', 'GREEN', 'YELLOW', 'BLUE', 'MAGENTA', 'CYAN', 'WHITE']):
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globals()[color] = i
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globals()['BR_' + color] = i + 8
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globals()['BACK_' + color] = i + 40
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ANSI[i] = "\033[%dm" % (30+i)
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ANSI[i+8] = "\033[2;%dm" % (30+i)
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ANSI[i+40] = "\033[%dm" % (40+i)
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color = 'GREY' if color == 'WHITE' else color
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WIN[i] = {'fore': getattr(WinColor, color), 'style': WinStyle.NORMAL}
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WIN[i+8] = {'fore': getattr(WinColor, color), 'style': WinStyle.BRIGHT}
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WIN[i+40] = {'back': getattr(WinColor, color)}
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RESET = -1
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ANSI[RESET] = "\033[0m"
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WIN[RESET] = {'reset': True}
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def cprint(stream, *args, **kwds):
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"""
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Print with color. Examples::
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# colors are BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE
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cprint('stdout', RED, 'This is in red. ', RESET, 'and this is normal\n')
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# Adding BR_ before the color manes it bright
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cprint('stdout', BR_GREEN, 'This is bright green.\n', RESET)
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# Adding BACK_ changes background color
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cprint('stderr', BACK_BLUE, WHITE, 'This is white-on-blue.', -1)
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# Integers 0-7 for normal, 8-15 for bright, and 40-47 for background.
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# -1 to reset.
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cprint('stderr', 1, 'This is in red.', -1)
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"""
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if isinstance(stream, basestring):
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stream = kwds.get('stream', 'stdout')
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err = stream == 'stderr'
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stream = getattr(sys, stream)
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else:
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err = kwds.get('stderr', False)
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if hasattr(stream, 'isatty') and stream.isatty():
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if _WIN:
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# convert to win32 calls
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for arg in args:
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if isinstance(arg, basestring):
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stream.write(arg)
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else:
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kwds = WIN[arg]
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winset(stderr=err, **kwds)
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else:
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# convert to ANSI
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for arg in args:
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if isinstance(arg, basestring):
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stream.write(arg)
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else:
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stream.write(ANSI[arg])
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else:
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# ignore colors
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for arg in args:
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if isinstance(arg, basestring):
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stream.write(arg)
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def cout(*args):
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"""Shorthand for cprint('stdout', ...)"""
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cprint('stdout', *args)
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def cerr(*args):
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"""Shorthand for cprint('stderr', ...)"""
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cprint('stderr', *args)
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