import re
-from datetime import datetime
+from colorsys import rgb_to_hls, hls_to_rgb
+from cgi import escape as html_escape
+from datetime import datetime, timedelta
-def strip_colors(str=''):
- if str is None:
- str = ''
+# Map of special chars to ascii from Darkplace's console.c.
+_qfont_table = [
+ '\0', '#', '#', '#', '#', '.', '#', '#',
+ '#', '\t', '\n', '#', ' ', '\r', '.', '.',
+ '[', ']', '0', '1', '2', '3', '4', '5',
+ '6', '7', '8', '9', '.', '<', '=', '>',
+ ' ', '!', '"', '#', '$', '%', '&', '\'',
+ '(', ')', '*', '+', ',', '-', '.', '/',
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', ':', ';', '<', '=', '>', '?',
+ '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
+ 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+ 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
+ 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
+ '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
+ 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
+ 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
+ 'x', 'y', 'z', '{', '|', '}', '~', '<',
+
+ '<', '=', '>', '#', '#', '.', '#', '#',
+ '#', '#', ' ', '#', ' ', '>', '.', '.',
+ '[', ']', '0', '1', '2', '3', '4', '5',
+ '6', '7', '8', '9', '.', '<', '=', '>',
+ ' ', '!', '"', '#', '$', '%', '&', '\'',
+ '(', ')', '*', '+', ',', '-', '.', '/',
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', ':', ';', '<', '=', '>', '?',
+ '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
+ 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+ 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
+ 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
+ '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
+ 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
+ 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
+ 'x', 'y', 'z', '{', '|', '}', '~', '<'
+]
- str = re.sub(r'\^x\w\w\w', '', str)
- str = re.sub(r'\^\d', '', str)
- return str
+# Hex-colored spans for decimal color codes ^0 - ^9
+_dec_spans = [
+ "<span style='color:rgb(128,128,128)'>",
+ "<span style='color:rgb(255,0,0)'>",
+ "<span style='color:rgb(51,255,0)'>",
+ "<span style='color:rgb(255,255,0)'>",
+ "<span style='color:rgb(51,102,255)'>",
+ "<span style='color:rgb(51,255,255)'>",
+ "<span style='color:rgb(255,51,102)'>",
+ "<span style='color:rgb(255,255,255)'>",
+ "<span style='color:rgb(153,153,153)'>",
+ "<span style='color:rgb(128,128,128)'>"
+]
+# Color code patterns
+_all_colors = re.compile(r'\^(\d|x[\dA-Fa-f]{3})')
+_dec_colors = re.compile(r'\^(\d)')
+_hex_colors = re.compile(r'\^x([\dA-Fa-f])([\dA-Fa-f])([\dA-Fa-f])')
-def html_colors(str=''):
- if str is None:
- str = ''
+# On a light scale of 0 (black) to 1.0 (white)
+_contrast_threshold = 0.5
- orig = str
- str = re.sub(r'\^x(\w)(\w)(\w)',
- "<span style='color:#\g<1>\g<1>\g<2>\g<2>\g<3>\g<3>'>", str)
- str = re.sub(r'\^1', "<span style='color:#FF9900'>", str)
- str = re.sub(r'\^2', "<span style='color:#33FF00'>", str)
- str = re.sub(r'\^3', "<span style='color:#FFFF00'>", str)
- str = re.sub(r'\^4', "<span style='color:#3366FF'>", str)
- str = re.sub(r'\^5', "<span style='color:#33FFFF'>", str)
- str = re.sub(r'\^6', "<span style='color:#FF3366'>", str)
- str = re.sub(r'\^7', "<span style='color:#FFFFFF'>", str)
- str = re.sub(r'\^8', "<span style='color:#999999'>", str)
- str = re.sub(r'\^9', "<span style='color:#666666'>", str)
- str = re.sub(r'\^0', "<span style='color:#333333'>", str)
- for span in range(len(re.findall(r'\^x\w\w\w|\^\d', orig))):
- str += "</span>"
+def qfont_decode(qstr=''):
+ """ Convert the qfont characters in a string to ascii.
+ """
+ if qstr == None:
+ qstr = ''
+ chars = []
+ for c in qstr:
+ if u'\ue000' <= c <= u'\ue0ff':
+ c = _qfont_table[ord(c) - 0xe000]
+ chars.append(c)
+ return ''.join(chars)
+
+
+def strip_colors(qstr=''):
+ if qstr == None:
+ qstr = ''
+ return _all_colors.sub('', qstr)
+
+
+def hex_repl(match):
+ """Convert Darkplaces hex color codes to CSS rgb.
+ Brighten colors with HSL light value less than 50%"""
+
+ # Extend hex char to 8 bits and to 0.0-1.0 scale
+ r = int(match.group(1) * 2, 16) / 255.0
+ g = int(match.group(2) * 2, 16) / 255.0
+ b = int(match.group(3) * 2, 16) / 255.0
+
+ # Check if color is too dark
+ hue, light, satur = rgb_to_hls(r, g, b)
+ if light < _contrast_threshold:
+ light = _contrast_threshold
+ r, g, b = hls_to_rgb(hue, light, satur)
+
+ # Convert back to 0-255 scale for css
+ return '<span style="color:rgb(%d,%d,%d)">' % (255 * r, 255 * g, 255 * b)
- return str
+
+def html_colors(qstr=''):
+ qstr = html_escape(qfont_decode(qstr).replace('^^', '^'))
+ html = _dec_colors.sub(lambda match: _dec_spans[int(match.group(1))], qstr)
+ html = _hex_colors.sub(hex_repl, html)
+ return html + "</span>" * len(_all_colors.findall(qstr))
def page_url(page):
def pretty_date(time=False):
- """
- Get a datetime object or a int() Epoch timestamp and return a
- pretty string like 'an hour ago', 'Yesterday', '3 months ago',
- 'just now', etc
- """
- now = datetime.now()
+ '''Returns a human-readable relative date.'''
+ now = datetime.utcnow()
if type(time) is int:
diff = now - datetime.fromtimestamp(time)
elif isinstance(time,datetime):
- diff = now - time
+ diff = now - time
elif not time:
+ print "not a time value"
diff = now - now
- second_diff = diff.seconds
- day_diff = diff.days
-
- if day_diff < 0:
- return ''
-
- if day_diff == 0:
- if second_diff < 10:
- return "just now"
- if second_diff < 60:
- return str(second_diff) + " seconds ago"
- if second_diff < 120:
- return "a minute ago"
- if second_diff < 3600:
- return str( second_diff / 60 ) + " minutes ago"
- if second_diff < 7200:
- return "an hour ago"
- if second_diff < 86400:
- return str( second_diff / 3600 ) + " hours ago"
- if day_diff == 1:
- return "Yesterday"
- if day_diff < 7:
- return str(day_diff) + " days ago"
- if day_diff < 31:
- if day_diff/7 == 1:
- return "a week ago"
- else:
- return str(day_diff/7) + " weeks ago"
- if day_diff < 365:
- if day_diff/30 == 1:
- return "a month ago"
- else:
- return str(day_diff/30) + " months ago"
+
+ dim = round(diff.seconds/60.0 + diff.days*1440.0)
+
+ if dim == 0:
+ return "less than a minute ago"
+ elif dim == 1:
+ return "1 minute ago"
+ elif dim >= 2 and dim <= 44:
+ return "{0} minutes ago".format(int(dim))
+ elif dim >= 45 and dim <= 89:
+ return "about 1 hour ago"
+ elif dim >= 90 and dim <= 1439:
+ return "about {0} hours ago".format(int(round(dim/60.0)))
+ elif dim >= 1440 and dim <= 2519:
+ return "1 day ago"
+ elif dim >= 2520 and dim <= 43199:
+ return "{0} days ago".format(int(round(dim/1440.0)))
+ elif dim >= 43200 and dim <= 86399:
+ return "about 1 month ago"
+ elif dim >= 86400 and dim <= 525599:
+ return "{0} months ago".format(int(round(dim/43200.0)))
+ elif dim >= 525600 and dim <= 655199:
+ return "about 1 year ago"
+ elif dim >= 655200 and dim <= 914399:
+ return "over 1 year ago"
+ elif dim >= 914400 and dim <= 1051199:
+ return "almost 2 years ago"
else:
- if day_diff/365 == 1:
- return "a year ago"
- else:
- return str(day_diff/365) + " years ago"
+ return "about {0} years ago".format(int(round(dim/525600.0)))
+
+def datetime_seconds(td):
+ return float(td.microseconds + (td.seconds + td.days * 24 * 3600) * 10**6) / 10**6
+