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
7 # Map of special chars to ascii from Darkplace's console.c.
9 '\0', '#', '#', '#', '#', '.', '#', '#',
10 '#', '\t', '\n', '#', ' ', '\r', '.', '.',
11 '[', ']', '0', '1', '2', '3', '4', '5',
12 '6', '7', '8', '9', '.', '<', '=', '>',
13 ' ', '!', '"', '#', '$', '%', '&', '\'',
14 '(', ')', '*', '+', ',', '-', '.', '/',
15 '0', '1', '2', '3', '4', '5', '6', '7',
16 '8', '9', ':', ';', '<', '=', '>', '?',
17 '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
18 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
19 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
20 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
21 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
22 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
23 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
24 'x', 'y', 'z', '{', '|', '}', '~', '<',
26 '<', '=', '>', '#', '#', '.', '#', '#',
27 '#', '#', ' ', '#', ' ', '>', '.', '.',
28 '[', ']', '0', '1', '2', '3', '4', '5',
29 '6', '7', '8', '9', '.', '<', '=', '>',
30 ' ', '!', '"', '#', '$', '%', '&', '\'',
31 '(', ')', '*', '+', ',', '-', '.', '/',
32 '0', '1', '2', '3', '4', '5', '6', '7',
33 '8', '9', ':', ';', '<', '=', '>', '?',
34 '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
35 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
36 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
37 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
38 '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
39 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
40 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
41 'x', 'y', 'z', '{', '|', '}', '~', '<'
44 # Hex-colored spans for decimal color codes ^0 - ^9
46 "<span style='color:rgb(128,128,128)'>",
47 "<span style='color:rgb(255,0,0)'>",
48 "<span style='color:rgb(51,255,0)'>",
49 "<span style='color:rgb(255,255,0)'>",
50 "<span style='color:rgb(51,102,255)'>",
51 "<span style='color:rgb(51,255,255)'>",
52 "<span style='color:rgb(255,51,102)'>",
53 "<span style='color:rgb(255,255,255)'>",
54 "<span style='color:rgb(153,153,153)'>",
55 "<span style='color:rgb(128,128,128)'>"
59 _all_colors = re.compile(r'\^(\d|x[\dA-Fa-f]{3})')
60 _dec_colors = re.compile(r'\^(\d)')
61 _hex_colors = re.compile(r'\^x([\dA-Fa-f])([\dA-Fa-f])([\dA-Fa-f])')
63 # On a light scale of 0 (black) to 1.0 (white)
64 _contrast_threshold = 0.5
67 def qfont_decode(qstr=''):
68 """ Convert the qfont characters in a string to ascii.
74 if u'\ue000' <= c <= u'\ue0ff':
75 c = _qfont_table[ord(c) - 0xe000]
80 def strip_colors(qstr=''):
83 return _all_colors.sub('', qstr)
87 """Convert Darkplaces hex color codes to CSS rgb.
88 Brighten colors with HSL light value less than 50%"""
90 # Extend hex char to 8 bits and to 0.0-1.0 scale
91 r = int(match.group(1) * 2, 16) / 255.0
92 g = int(match.group(2) * 2, 16) / 255.0
93 b = int(match.group(3) * 2, 16) / 255.0
95 # Check if color is too dark
96 hue, light, satur = rgb_to_hls(r, g, b)
97 if light < _contrast_threshold:
98 light = _contrast_threshold
99 r, g, b = hls_to_rgb(hue, light, satur)
101 # Convert back to 0-255 scale for css
102 return '<span style="color:rgb(%d,%d,%d)">' % (255 * r, 255 * g, 255 * b)
105 def html_colors(qstr=''):
106 qstr = html_escape(qfont_decode(qstr).replace('^^', '^'))
107 html = _dec_colors.sub(lambda match: _dec_spans[int(match.group(1))], qstr)
108 html = _hex_colors.sub(hex_repl, html)
109 return html + "</span>" * len(_all_colors.findall(qstr))
113 return current_route_url(request, page=page, _query=request.GET)
116 def pretty_date(time=False):
117 '''Returns a human-readable relative date.'''
118 now = datetime.utcnow()
119 if type(time) is int:
120 diff = now - datetime.fromtimestamp(time)
121 elif isinstance(time,datetime):
124 print "not a time value"
127 dim = round(diff.seconds/60.0 + diff.days*1440.0)
130 return "less than a minute ago"
132 return "1 minute ago"
133 elif dim >= 2 and dim <= 44:
134 return "{0} minutes ago".format(int(dim))
135 elif dim >= 45 and dim <= 89:
136 return "about 1 hour ago"
137 elif dim >= 90 and dim <= 1439:
138 return "about {0} hours ago".format(int(round(dim/60.0)))
139 elif dim >= 1440 and dim <= 2519:
141 elif dim >= 2520 and dim <= 43199:
142 return "{0} days ago".format(int(round(dim/1440.0)))
143 elif dim >= 43200 and dim <= 86399:
144 return "about 1 month ago"
145 elif dim >= 86400 and dim <= 525599:
146 return "{0} months ago".format(int(round(dim/43200.0)))
147 elif dim >= 525600 and dim <= 655199:
148 return "about 1 year ago"
149 elif dim >= 655200 and dim <= 914399:
150 return "over 1 year ago"
151 elif dim >= 914400 and dim <= 1051199:
152 return "almost 2 years ago"
154 return "about {0} years ago".format(int(round(dim/525600.0)))
156 def datetime_seconds(td):
157 return float(td.microseconds + (td.seconds + td.days * 24 * 3600) * 10**6) / 10**6
159 def namedtuple_to_dict(tup):
161 for key,value in tup._asdict().items():
165 def fix_json_types(data):
167 for key,value in data.items():
168 if type(value) == Decimal:
169 result[key] = float(value)
170 elif type(value) == datetime:
171 result[key] = value.strftime('%Y-%m-%dT%H:%M:%SZ')
172 elif type(value) == timedelta:
173 result[key] = datetime_seconds(value)