2 from colorsys import rgb_to_hls, hls_to_rgb
3 from cgi import escape as html_escape
4 from datetime import datetime
6 # Map of special chars to ascii from Darkplace's console.c.
8 '\0', '#', '#', '#', '#', '.', '#', '#',
9 '#', '\t', '\n', '#', ' ', '\r', '.', '.',
10 '[', ']', '0', '1', '2', '3', '4', '5',
11 '6', '7', '8', '9', '.', '<', '=', '>',
12 ' ', '!', '"', '#', '$', '%', '&', '\'',
13 '(', ')', '*', '+', ',', '-', '.', '/',
14 '0', '1', '2', '3', '4', '5', '6', '7',
15 '8', '9', ':', ';', '<', '=', '>', '?',
16 '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
17 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
18 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
19 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
20 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
21 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
22 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
23 'x', 'y', 'z', '{', '|', '}', '~', '<',
25 '<', '=', '>', '#', '#', '.', '#', '#',
26 '#', '#', ' ', '#', ' ', '>', '.', '.',
27 '[', ']', '0', '1', '2', '3', '4', '5',
28 '6', '7', '8', '9', '.', '<', '=', '>',
29 ' ', '!', '"', '#', '$', '%', '&', '\'',
30 '(', ')', '*', '+', ',', '-', '.', '/',
31 '0', '1', '2', '3', '4', '5', '6', '7',
32 '8', '9', ':', ';', '<', '=', '>', '?',
33 '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
34 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
35 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
36 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
37 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
38 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
39 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
40 'x', 'y', 'z', '{', '|', '}', '~', '<'
43 # Hex-colored spans for decimal color codes ^0 - ^9
45 "<span style='color:rgb(128,128,128)'>",
46 "<span style='color:rgb(255,0,0)'>",
47 "<span style='color:rgb(51,255,0)'>",
48 "<span style='color:rgb(255,255,0)'>",
49 "<span style='color:rgb(51,102,255)'>",
50 "<span style='color:rgb(51,255,255)'>",
51 "<span style='color:rgb(255,51,102)'>",
52 "<span style='color:rgb(255,255,255)'>",
53 "<span style='color:rgb(153,153,153)'>",
54 "<span style='color:rgb(128,128,128)'>"
58 _all_colors = re.compile(r'\^(\d|x[\dA-Fa-f]{3})')
59 _dec_colors = re.compile(r'\^(\d)')
60 _hex_colors = re.compile(r'\^x([\dA-Fa-f])([\dA-Fa-f])([\dA-Fa-f])')
62 # On a light scale of 0 (black) to 1.0 (white)
63 _contrast_threshold = 0.5
66 def qfont_decode(qstr=''):
67 """ Convert the qfont characters in a string to ascii.
73 if u'\ue000' <= c <= u'\ue0ff':
74 c = _qfont_table[ord(c) - 0xe000]
79 def strip_colors(qstr=''):
82 return _all_colors.sub('', qstr)
86 """Convert Darkplaces hex color codes to CSS rgb.
87 Brighten colors with HSL light value less than 50%"""
89 # Extend hex char to 8 bits and to 0.0-1.0 scale
90 r = int(match.group(1) * 2, 16) / 255.0
91 g = int(match.group(2) * 2, 16) / 255.0
92 b = int(match.group(3) * 2, 16) / 255.0
94 # Check if color is too dark
95 hue, light, satur = rgb_to_hls(r, g, b)
96 if light < _contrast_threshold:
97 light = _contrast_threshold
98 r, g, b = hls_to_rgb(hue, light, satur)
100 # Convert back to 0-255 scale for css
101 return '<span style="color:rgb(%d,%d,%d)">' % (255 * r, 255 * g, 255 * b)
104 def html_colors(qstr=''):
105 qstr = html_escape(qfont_decode(qstr).replace('^^', '^'))
106 html = _dec_colors.sub(lambda match: _dec_spans[int(match.group(1))], qstr)
107 html = _hex_colors.sub(hex_repl, html)
108 return html + "</span>" * len(_all_colors.findall(qstr))
112 return current_route_url(request, page=page, _query=request.GET)
115 def pretty_date(time=False):
117 Get a datetime object or a int() Epoch timestamp and return a
118 pretty string like 'an hour ago', 'Yesterday', '3 months ago',
122 if type(time) is int:
123 diff = now - datetime.fromtimestamp(time)
124 elif isinstance(time,datetime):
128 second_diff = diff.seconds
138 return str(second_diff) + " seconds ago"
139 if second_diff < 120:
140 return "a minute ago"
141 if second_diff < 3600:
142 return str( second_diff / 60 ) + " minutes ago"
143 if second_diff < 7200:
145 if second_diff < 86400:
146 return str( second_diff / 3600 ) + " hours ago"
150 return str(day_diff) + " days ago"
155 return str(day_diff/7) + " weeks ago"
160 return str(day_diff/30) + " months ago"
162 if day_diff/365 == 1:
165 return str(day_diff/365) + " years ago"