mirror of
https://github.com/Mikaela/Limnoria.git
synced 2024-11-23 11:09:23 +01:00
New convert command uses convertcore.py, plus updated units command.
Additionally, _floatToString now slightly more lax in checking "near enough" to zero, and uses same check for "near enough" to int. This was done so that convert [calc 2*pi] rads to degrees equals exactly 360.
This commit is contained in:
Keith Jones
parent
78eafe3fa6
commit
f36113a697
@ -44,12 +44,12 @@ import types
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import string
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from itertools import imap
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import unum.units
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import utils
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import privmsgs
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import callbacks
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import convertcore
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def configure(onStart, afterConnect, advanced):
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# This will be called by setup.py to configure this module. onStart and
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@ -103,15 +103,15 @@ class Math(callbacks.Privmsg):
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r'\.\d+|'
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r'\d+\.|'
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r'\d+))')
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# This is a comment so this PoS will commit.
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def _floatToString(self, x):
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if -1e-12 < x < 1e-12:
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if -1e-10 < x < 1e-10:
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return '0'
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elif int(x) == x:
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elif -1e-10 < int(x) - x < 1e-10:
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return str(int(x))
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else:
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return str(x)
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def _complexToString(self, x):
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realS = self._floatToString(x.real)
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imagS = self._floatToString(x.imag)
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@ -138,7 +138,7 @@ class Math(callbacks.Privmsg):
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"""<math expression>
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Returns the value of the evaluted <math expression>. The syntax is
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Python syntax; the type of arithmetic is floating point. Floating
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Pt's ython syntax; the type of arithmetic is floating point. Floating
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point arithmetic is used in order to prevent a user from being able to
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crash to the bot with something like 10**10**10**10. One consequence
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is that large values such as 10**24 might not be exact.
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@ -156,6 +156,7 @@ class Math(callbacks.Privmsg):
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irc.error('You can\'t use lambda in this command.')
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return
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text = text.replace('lambda', '') # Let's leave it in for safety.
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def handleMatch(m):
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s = m.group(1)
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if s.startswith('0x'):
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@ -174,12 +175,14 @@ class Math(callbacks.Privmsg):
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text = self._mathRe.sub(handleMatch, text)
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try:
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self.log.info('evaluating %r from %s' % (text, msg.prefix))
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print text
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x = complex(eval(text, self._mathEnv, self._mathEnv))
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irc.reply(self._complexToString(x))
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except OverflowError:
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maxFloat = math.ldexp(0.9999999999999999, 1024)
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irc.error('The answer exceeded %s or so.' % maxFloat)
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except TypeError:
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print "hey"
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irc.error('Something in there wasn\'t a valid number.')
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except NameError, e:
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irc.error('%s is not a defined function.' % str(e).split()[1])
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@ -213,6 +216,7 @@ class Math(callbacks.Privmsg):
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maxFloat = math.ldexp(0.9999999999999999, 1024)
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irc.error('The answer exceeded %s or so.' % maxFloat)
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except TypeError:
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print "ho"
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irc.error('Something in there wasn\'t a valid number.')
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except NameError, e:
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irc.error('%s is not a defined function.' % str(e).split()[1])
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@ -271,58 +275,50 @@ class Math(callbacks.Privmsg):
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s = ', '.join(imap(self._complexToString, imap(complex, stack)))
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irc.reply('Stack: [%s]' % s)
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_convertEnv = {'__builtins__': types.ModuleType('__builtins__')}
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for (k, v) in unum.units.__dict__.iteritems():
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if isinstance(v, unum.Unum):
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_convertEnv[k.lower()] = v
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def convert(self, irc, msg, args):
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"""[<number>] <units> to <other units>
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"""[<number>] <unit> to <other unit>
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Converts the first number of <units> to the <other units>. Valid units
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expressions include the standard Python math operators applied to valid
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units. If <number> isn't given, it defaults to 1.
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Converts from <unit> to <other unit>. If number isn't given, it
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defaults to 1. For unit information, see 'units' command.
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"""
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if args and args[0].isdigit():
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n = args.pop(0)
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# see if the first arg is a number of some sort
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if args:
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try:
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num = float(args[0])
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args.pop(0)
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except ValueError:
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num = 1.0
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else:
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n = 1
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(unit1, to, unit2) = privmsgs.getArgs(args, required=3)
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if to != 'to':
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raise callbacks.ArgumentError
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try:
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n = float(n)
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the_rest = ' '.join(args)
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(unit1, unit2) = the_rest.split(' to ')
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except ValueError:
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irc.error('%s is not a valid number.' % n)
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return
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raise callbacks.ArgumentError
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try:
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unit1 = unit1.lower()
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self.log.info('evaluating %r from %s' % (unit1, msg.prefix))
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u1 = eval(unit1, self._convertEnv, self._convertEnv)
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except:
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irc.error('%s is not a valid units expression.' % unit1)
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return
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try:
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unit2 = unit2.lower()
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self.log.info('evaluating %r from %s' % (unit2, msg.prefix))
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u2 = eval(unit2, self._convertEnv, self._convertEnv)
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except:
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irc.error('%s is not a valid units expression.' % unit2)
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return
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try:
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irc.reply(str((n*u1).as(u2)))
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except Exception, e:
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irc.error(str(e))
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newNum = convertcore.convert(num, unit1, unit2)
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newNum = self._floatToString(newNum)
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irc.reply('%s %s' % (newNum , unit2))
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except convertcore.UnitDataError, ude:
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irc.error(str(ude))
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def units(self, irc, msg, args):
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"""takes no arguments
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""" [<type>]
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Returns all the valid units.
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With no arguments, returns a list of measurement types, which can be
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passed as arguments. When called with a type as an argument, returns
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the units of that type.
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"""
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L = self._convertEnv.keys()
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L.remove('__builtins__')
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L.sort()
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irc.reply(utils.commaAndify(L))
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if len(args) == 0:
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type = None
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else:
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type = ' '.join(args)
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irc.reply(convertcore.units(type))
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Class = Math
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