2 from colorsys import rgb_to_hls, hls_to_rgb
3 from cgi import escape as html_escape
4 from datetime import datetime, timedelta
5 from decimal import Decimal
6 from collections import namedtuple
8 # Map of special chars to ascii from Darkplace's console.c.
10 '\0', '#', '#', '#', '#', '.', '#', '#',
11 '#', '\t', '\n', '#', ' ', '\r', '.', '.',
12 '[', ']', '0', '1', '2', '3', '4', '5',
13 '6', '7', '8', '9', '.', '<', '=', '>',
14 ' ', '!', '"', '#', '$', '%', '&', '\'',
15 '(', ')', '*', '+', ',', '-', '.', '/',
16 '0', '1', '2', '3', '4', '5', '6', '7',
17 '8', '9', ':', ';', '<', '=', '>', '?',
18 '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
19 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
20 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
21 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
22 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
23 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
24 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
25 'x', 'y', 'z', '{', '|', '}', '~', '<',
27 '<', '=', '>', '#', '#', '.', '#', '#',
28 '#', '#', ' ', '#', ' ', '>', '.', '.',
29 '[', ']', '0', '1', '2', '3', '4', '5',
30 '6', '7', '8', '9', '.', '<', '=', '>',
31 ' ', '!', '"', '#', '$', '%', '&', '\'',
32 '(', ')', '*', '+', ',', '-', '.', '/',
33 '0', '1', '2', '3', '4', '5', '6', '7',
34 '8', '9', ':', ';', '<', '=', '>', '?',
35 '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
36 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
37 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
38 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
39 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
40 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
41 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
42 'x', 'y', 'z', '{', '|', '}', '~', '<'
45 # Hex-colored spans for decimal color codes ^0 - ^9
47 "<span style='color:rgb(128,128,128)'>",
48 "<span style='color:rgb(255,0,0)'>",
49 "<span style='color:rgb(51,255,0)'>",
50 "<span style='color:rgb(255,255,0)'>",
51 "<span style='color:rgb(51,102,255)'>",
52 "<span style='color:rgb(51,255,255)'>",
53 "<span style='color:rgb(255,51,102)'>",
54 "<span style='color:rgb(255,255,255)'>",
55 "<span style='color:rgb(153,153,153)'>",
56 "<span style='color:rgb(128,128,128)'>"
60 _all_colors = re.compile(r'\^(\d|x[\dA-Fa-f]{3})')
61 _dec_colors = re.compile(r'\^(\d)')
62 _hex_colors = re.compile(r'\^x([\dA-Fa-f])([\dA-Fa-f])([\dA-Fa-f])')
64 # On a light scale of 0 (black) to 1.0 (white)
65 _contrast_threshold = 0.5
68 def qfont_decode(qstr=''):
69 """ Convert the qfont characters in a string to ascii.
75 if u'\ue000' <= c <= u'\ue0ff':
76 c = _qfont_table[ord(c) - 0xe000]
81 def strip_colors(qstr=''):
84 return _all_colors.sub('', qstr)
88 """Convert Darkplaces hex color codes to CSS rgb.
89 Brighten colors with HSL light value less than 50%"""
91 # Extend hex char to 8 bits and to 0.0-1.0 scale
92 r = int(match.group(1) * 2, 16) / 255.0
93 g = int(match.group(2) * 2, 16) / 255.0
94 b = int(match.group(3) * 2, 16) / 255.0
96 # Check if color is too dark
97 hue, light, satur = rgb_to_hls(r, g, b)
98 if light < _contrast_threshold:
99 light = _contrast_threshold
100 r, g, b = hls_to_rgb(hue, light, satur)
102 # Convert back to 0-255 scale for css
103 return '<span style="color:rgb(%d,%d,%d)">' % (255 * r, 255 * g, 255 * b)
106 def html_colors(qstr=''):
107 qstr = html_escape(qfont_decode(qstr).replace('^^', '^'))
108 html = _dec_colors.sub(lambda match: _dec_spans[int(match.group(1))], qstr)
109 html = _hex_colors.sub(hex_repl, html)
110 return html + "</span>" * len(_all_colors.findall(qstr))
114 return current_route_url(request, page=page, _query=request.GET)
117 def pretty_date(time=False):
118 '''Returns a human-readable relative date.'''
119 now = datetime.utcnow()
120 if type(time) is int:
121 diff = now - datetime.fromtimestamp(time)
122 elif isinstance(time,datetime):
125 print "not a time value"
128 dim = round(diff.seconds/60.0 + diff.days*1440.0)
131 return "less than a minute ago"
133 return "1 minute ago"
134 elif dim >= 2 and dim <= 44:
135 return "{0} minutes ago".format(int(dim))
136 elif dim >= 45 and dim <= 89:
137 return "about 1 hour ago"
138 elif dim >= 90 and dim <= 1439:
139 return "about {0} hours ago".format(int(round(dim/60.0)))
140 elif dim >= 1440 and dim <= 2519:
142 elif dim >= 2520 and dim <= 43199:
143 return "{0} days ago".format(int(round(dim/1440.0)))
144 elif dim >= 43200 and dim <= 86399:
145 return "about 1 month ago"
146 elif dim >= 86400 and dim <= 525599:
147 return "{0} months ago".format(int(round(dim/43200.0)))
148 elif dim >= 525600 and dim <= 655199:
149 return "about 1 year ago"
150 elif dim >= 655200 and dim <= 914399:
151 return "over 1 year ago"
152 elif dim >= 914400 and dim <= 1051199:
153 return "almost 2 years ago"
155 return "about {0} years ago".format(int(round(dim/525600.0)))
157 def datetime_seconds(td):
158 return float(td.microseconds + (td.seconds + td.days * 24 * 3600) * 10**6) / 10**6
161 if not type(data) == dict:
162 # assume it's a named tuple
163 data = data._asdict()
165 for key,value in data.items():
168 elif type(value) in [bool,int,long,float,complex,str]:
170 elif type(value) == unicode:
171 result[key] = value.encode('utf-8')
172 elif type(value) == Decimal:
173 result[key] = float(value)
174 elif type(value) == datetime:
175 result[key] = value.strftime('%Y-%m-%dT%H:%M:%SZ')
176 elif type(value) == timedelta:
177 result[key] = datetime_seconds(value)
179 result[key] = to_json(value.to_dict())