modules/misc.py

   1 # Erebus IRC bot - Author: Erebus Team
   2 # vim: fileencoding=utf-8
   3 # simple module example
   4 # This file is released into the public domain; see http://unlicense.org/
   5
   6 # module info
   7 modinfo = {
   8         'author': 'Erebus Team',
   9         'license': 'public domain',
  10         'compatible': [0], # compatible module API versions
  11         'depends': [], # other modules required to work properly?
  12         'softdeps': ['help'], # modules which are preferred but not required
  13 }
  14
  15 # preamble
  16 import modlib
  17 lib = modlib.modlib(__name__)
  18 modstart = lib.modstart
  19 modstop = lib.modstop
  20
  21 # module setup
  22 from fractions import Fraction
  23
  24 # module code
  25 @lib.hook(needchan=False, wantchan=True)
  26 @lib.help('<numerator>/<denominator>|<decimal>', 'reduces a fraction', 'you may supply a fraction in the form "1/2" or a decimal in the form ".5", "0.5", "5e-1", etc.')
  27 def reduce(bot, user, chan, realtarget, *args):
  28         supplied_value = ''.join(args)
  29         try:
  30                 frac = Fraction(supplied_value)
  31         except ValueError:
  32                 return 'Invalid fraction supplied. You must supply a fraction in the form "1/2" or a decimal in the form ".5", "0.5", "5e-1", etc.'
  33         return "%s = %s" % (supplied_value, frac)