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@ -29,15 +29,142 @@ RE_COLOR_ATTRS = r'[*!/_|]*'
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RE_COLOR_STD = r'(?:%s\d{2})' % RE_COLOR_ATTRS
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RE_COLOR_EXT = r'(?:@%s\d{5})' % RE_COLOR_ATTRS
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RE_COLOR_ANY = r'(?:%s|%s)' % (RE_COLOR_STD, RE_COLOR_EXT)
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# \x19: color code, \x1A: set attribute, \x1B: remove attribute, \x1C: reset
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RE_COLOR = re.compile(r'(\x19(?:\d{2}|F%s|B\d{2}|B@\d{5}|\\*%s(,%s)?|@\d{5}|b.|\x1C))|\x1A.|\x1B.|\x1C'
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% (RE_COLOR_ANY, RE_COLOR_ANY, RE_COLOR_ANY))
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def _replace_color(match):
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return match.group(0)
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TERMINAL_COLORS = \
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'000000cd000000cd00cdcd000000cdcd00cd00cdcde5e5e54d4d4dff000000ff00ffff000000ffff00ff00ffffffffff' \
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'00000000002a0000550000800000aa0000d4002a00002a2a002a55002a80002aaa002ad400550000552a005555005580' \
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'0055aa0055d400800000802a0080550080800080aa0080d400aa0000aa2a00aa5500aa8000aaaa00aad400d40000d42a' \
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'00d45500d48000d4aa00d4d42a00002a002a2a00552a00802a00aa2a00d42a2a002a2a2a2a2a552a2a802a2aaa2a2ad4' \
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'2a55002a552a2a55552a55802a55aa2a55d42a80002a802a2a80552a80802a80aa2a80d42aaa002aaa2a2aaa552aaa80' \
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'2aaaaa2aaad42ad4002ad42a2ad4552ad4802ad4aa2ad4d455000055002a5500555500805500aa5500d4552a00552a2a' \
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'552a55552a80552aaa552ad455550055552a5555555555805555aa5555d455800055802a5580555580805580aa5580d4' \
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'55aa0055aa2a55aa5555aa8055aaaa55aad455d40055d42a55d45555d48055d4aa55d4d480000080002a800055800080' \
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'8000aa8000d4802a00802a2a802a55802a80802aaa802ad480550080552a8055558055808055aa8055d480800080802a' \
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'8080558080808080aa8080d480aa0080aa2a80aa5580aa8080aaaa80aad480d40080d42a80d45580d48080d4aa80d4d4' \
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'aa0000aa002aaa0055aa0080aa00aaaa00d4aa2a00aa2a2aaa2a55aa2a80aa2aaaaa2ad4aa5500aa552aaa5555aa5580' \
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'aa55aaaa55d4aa8000aa802aaa8055aa8080aa80aaaa80d4aaaa00aaaa2aaaaa55aaaa80aaaaaaaaaad4aad400aad42a' \
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'aad455aad480aad4aaaad4d4d40000d4002ad40055d40080d400aad400d4d42a00d42a2ad42a55d42a80d42aaad42ad4' \
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'd45500d4552ad45555d45580d455aad455d4d48000d4802ad48055d48080d480aad480d4d4aa00d4aa2ad4aa55d4aa80' \
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'd4aaaad4aad4d4d400d4d42ad4d455d4d480d4d4aad4d4d40808081212121c1c1c2626263030303a3a3a4444444e4e4e' \
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'5858586262626c6c6c7676768080808a8a8a9494949e9e9ea8a8a8b2b2b2bcbcbcc6c6c6d0d0d0dadadae4e4e4eeeeee'
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def remove(text):
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"""Remove colors in a WeeChat string."""
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if not text:
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return text
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return re.sub(RE_COLOR, '', text)
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#return RE_COLOR.sub(_replace_color, text)
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# WeeChat basic colors (color name, index in terminal colors)
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WEECHAT_BASIC_COLORS = (('default', 0), ('black', 0), ('darkgray', 8), ('red', 1),
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('lightred', 9), ('green', 2), ('lightgreen', 10), ('brown', 3),
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('yellow', 11), ('blue', 4), ('lightblue', 12), ('magenta', 5),
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('lightmagenta', 13), ('cyan', 6), ('lightcyan', 14), ('gray', 7),
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('white', 0))
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class Color():
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def __init__(self, color_options, debug=False):
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self.color_options = color_options
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self.debug = debug
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def _rgb_color(self, index):
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color = TERMINAL_COLORS[index*6:(index*6)+6]
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r = int(color[0:2], 16) * 0.85
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g = int(color[2:4], 16) * 0.85
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b = int(color[4:6], 16) * 0.85
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return '%02x%02x%02x' % (r, g, b)
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def _convert_weechat_color(self, color):
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try:
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index = int(color)
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return '\x01(Fr%s)' % self.color_options[index]
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except:
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print 'Error decoding WeeChat color "%s"' % color
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return ''
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def _convert_terminal_color(self, fg_bg, attrs, color):
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try:
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index = int(color)
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return '\x01(%s%s#%s)' % (fg_bg, attrs, self._rgb_color(index))
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except:
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print 'Error decoding terminal color "%s"' % color
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return ''
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def _convert_color_attr(self, fg_bg, color):
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extended = False
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if color[0].startswith('@'):
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extended = True
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color = color[1:]
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attrs = ''
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keep_attrs = False
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while color.startswith(('*', '!', '/', '_', '|')):
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if color[0] == '|':
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keep_attrs = True
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attrs += color[0]
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color = color[1:]
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if extended:
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return self._convert_terminal_color(fg_bg, attrs, color)
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try:
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index = int(color)
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return self._convert_terminal_color(fg_bg, attrs, WEECHAT_BASIC_COLORS[index][1])
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except:
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print 'Error decoding color "%s"' % color
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return ''
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def _attrcode_to_char(self, code):
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codes = { '\x01': '*', '\x02': '!', '\x03': '/', '\x04': '_' }
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return codes.get(code, '')
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def _convert_color(self, match):
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color = match.group(0)
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if color[0] == '\x19':
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if color[1] == 'b':
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# bar code, ignored
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return ''
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elif color[1] == '\x1C':
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# reset
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return '\x01(Fr)\x01(Br)'
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elif color[1] in ('F', 'B'):
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# foreground or background
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return self._convert_color_attr(color[1], color[2:])
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elif color[1] == '*':
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# foreground with optional background
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items = color[2:].split(',')
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s = self._convert_color_attr('F', items[0])
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if len(items) > 1:
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s += self._convert_color_attr('B', items[1])
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return s
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elif color[1] == '@':
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# direct ncurses pair number, ignored
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return ''
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if color[1:].isdigit():
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return self._convert_weechat_color(int(color[1:]))
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# color code
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pass
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elif color[0] == '\x1A':
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# set attribute
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return '\x01(+%s)' % self._attrcode_to_char(color[1])
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elif color[0] == '\x1B':
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# remove attribute
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return '\x01(-%s)' % self._attrcode_to_char(color[1])
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elif color[0] == '\x1C':
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# reset
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return '\x01(Fr)\x01(Br)'
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# should never be executed!
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return match.group(0)
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def _convert_color_debug(self, match):
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group = match.group(0)
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for code in (0x01, 0x02, 0x03, 0x04, 0x19, 0x1A, 0x1B):
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group = group.replace(chr(code), '<x%02X>' % code)
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return group
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def convert(self, text):
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if not text:
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return ''
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if self.debug:
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return RE_COLOR.sub(self._convert_color_debug, text)
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else:
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return RE_COLOR.sub(self._convert_color, text)
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def remove(self, text):
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"""Remove colors in a WeeChat string."""
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if not text:
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return ''
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return re.sub(RE_COLOR, '', text)
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Sebastien Helleu
13 years ago