mirror of
https://github.com/Mikaela/Limnoria.git
synced 2024-11-05 02:29:22 +01:00
253 lines
9.1 KiB
Python
253 lines
9.1 KiB
Python
#!/usr/bin/env python
|
|
|
|
###
|
|
# Copyright (c) 2002, Jeremiah Fincher
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright notice,
|
|
# this list of conditions, and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above copyright notice,
|
|
# this list of conditions, and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# * Neither the name of the author of this software nor the name of
|
|
# contributors to this software may be used to endorse or promote products
|
|
# derived from this software without specific prior written consent.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
|
###
|
|
|
|
"""
|
|
Various math-related commands.
|
|
"""
|
|
|
|
import plugins
|
|
|
|
import re
|
|
import math
|
|
import cmath
|
|
import types
|
|
import string
|
|
from itertools import imap
|
|
|
|
import unum.units
|
|
|
|
import debug
|
|
import utils
|
|
import privmsgs
|
|
import callbacks
|
|
|
|
|
|
def configure(onStart, afterConnect, advanced):
|
|
# This will be called by setup.py to configure this module. onStart and
|
|
# afterConnect are both lists. Append to onStart the commands you would
|
|
# like to be run when the bot is started; append to afterConnect the
|
|
# commands you would like to be run when the bot has finished connecting.
|
|
from questions import expect, anything, something, yn
|
|
onStart.append('load Math')
|
|
|
|
class Math(callbacks.Privmsg):
|
|
###
|
|
# So this is how the 'calc' command works:
|
|
# First, we make a nice little safe environment for evaluation; basically,
|
|
# the names in the 'math' and 'cmath' modules. Then, we remove the ability
|
|
# of a random user to get ints evaluated: this means we have to turn all
|
|
# int literals (even octal numbers and hexadecimal numbers) into floats.
|
|
# Then we delete all square brackets, underscores, and whitespace, so no
|
|
# one can do list comprehensions or call __...__ functions.
|
|
###
|
|
_mathEnv = {'__builtins__': types.ModuleType('__builtins__'), 'i': 1j}
|
|
_mathEnv.update(math.__dict__)
|
|
_mathEnv.update(cmath.__dict__)
|
|
_mathRe = re.compile(r'((?:(?<![A-Fa-f\d])-)?'
|
|
r'(?:0x[A-Fa-f\d]+|'
|
|
r'0[0-7]+|'
|
|
r'\d+\.\d+|'
|
|
r'\.\d+|'
|
|
r'\d+\.|'
|
|
r'\d+))')
|
|
def _complexToString(self, x):
|
|
real = x.real
|
|
imag = x.imag
|
|
if -1e-12 < real < 1e-12 and -1e-12 < imag < 1e-12:
|
|
return '0'
|
|
if int(real) == real:
|
|
real = int(real)
|
|
if int(imag) == imag:
|
|
imag = int(imag)
|
|
if -1e-12 < real < 1e-12:
|
|
real = 0
|
|
if -1e-12 < imag < 1e-12:
|
|
imag = 0
|
|
if imag == 0:
|
|
return str(real)
|
|
elif imag == 1:
|
|
imag = '+i'
|
|
elif imag == -1:
|
|
imag = '-i'
|
|
elif imag < 0:
|
|
imag = '%si' % imag
|
|
elif imag > 0:
|
|
imag = '+%si' % imag
|
|
if real == 0:
|
|
return imag.lstrip('+')
|
|
else:
|
|
return '%s%s' % (real, imag)
|
|
|
|
def calc(self, irc, msg, args):
|
|
"""<math expression>
|
|
|
|
Returns the value of the evaluted <math expression>. The syntax is
|
|
Python syntax; the type of arithmetic is floating point. Floating
|
|
point arithmetic is used in order to prevent a user from being able to
|
|
crash to the bot with something like 10**10**10**10. One consequence
|
|
is that large values such as 10**24 might not be exact.
|
|
"""
|
|
text = privmsgs.getArgs(args)
|
|
text = text.translate(string.ascii, '_[] \t')
|
|
text = text.replace('lambda', '')
|
|
#debug.printf(text)
|
|
def handleMatch(m):
|
|
s = m.group(1)
|
|
if s.startswith('0x'):
|
|
i = int(s, 16)
|
|
elif s.startswith('0') and '.' not in s:
|
|
try:
|
|
i = int(s, 8)
|
|
except ValueError:
|
|
i = int(s)
|
|
else:
|
|
i = float(s)
|
|
x = complex(i)
|
|
if x == abs(x):
|
|
x = abs(x)
|
|
return str(x)
|
|
text = self._mathRe.sub(handleMatch, text)
|
|
#debug.printf(text)
|
|
try:
|
|
x = complex(eval(text, self._mathEnv, self._mathEnv))
|
|
irc.reply(msg, self._complexToString(x))
|
|
except OverflowError:
|
|
irc.error(msg, 'Go get scanez, this is a *real* math problem!')
|
|
except TypeError:
|
|
irc.error(msg, 'Something in there wasn\'t a valid number.')
|
|
except NameError, e:
|
|
irc.error(msg, '%s is not a defined function.' % str(e).split()[1])
|
|
except Exception, e:
|
|
irc.error(msg, debug.exnToString(e))
|
|
|
|
_rpnEnv = {
|
|
'dup': lambda s: s.extend([s.pop()]*2),
|
|
}
|
|
def rpn(self, irc, msg, args):
|
|
"""<rpn math expression>
|
|
|
|
Returns the value of an RPN expression.
|
|
"""
|
|
stack = []
|
|
for arg in args:
|
|
try:
|
|
x = complex(arg)
|
|
if x == abs(x):
|
|
x = abs(x)
|
|
stack.append(x)
|
|
except ValueError: # Not a float.
|
|
if arg in self._mathEnv:
|
|
f = self._mathEnv[arg]
|
|
if callable(f):
|
|
called = False
|
|
arguments = []
|
|
while not called and stack:
|
|
arguments.append(stack.pop())
|
|
try:
|
|
stack.append(f(*arguments))
|
|
called = True
|
|
except TypeError:
|
|
pass
|
|
if not called:
|
|
irc.error(msg, 'Not enough arguments for %s' % arg)
|
|
return
|
|
else:
|
|
stack.append(f)
|
|
elif arg in self._rpnEnv:
|
|
self._rpnEnv[arg](stack)
|
|
else:
|
|
arg2 = stack.pop()
|
|
arg1 = stack.pop()
|
|
s = '%s%s%s' % (arg1, arg, arg2)
|
|
try:
|
|
stack.append(eval(s, self._mathEnv, self._mathEnv))
|
|
except SyntaxError:
|
|
irc.error(msg, '%r is not a defined function.' % arg)
|
|
return
|
|
if len(stack) == 1:
|
|
irc.reply(msg, str(self._complexToString(complex(stack[0]))))
|
|
else:
|
|
s = ', '.join(imap(self._complexToString, imap(complex, stack)))
|
|
irc.reply(msg, 'Stack: [%s]' % s)
|
|
|
|
_convertEnv = {'__builtins__': types.ModuleType('__builtins__')}
|
|
for (k, v) in unum.units.__dict__.iteritems():
|
|
if isinstance(v, unum.Unum):
|
|
_convertEnv[k.lower()] = v
|
|
def convert(self, irc, msg, args):
|
|
"""[<number>] <units> to <other units>
|
|
|
|
Converts the first number of <units> to the <other units>. Valid units
|
|
expressions include the standard Python math operators applied to valid
|
|
units. If <number> isn't given, it defaults to 1.
|
|
"""
|
|
if args and args[0].isdigit():
|
|
n = args.pop(0)
|
|
else:
|
|
n = 1
|
|
(unit1, to, unit2) = privmsgs.getArgs(args, required=3)
|
|
if to != 'to':
|
|
raise callbacks.ArgumentError
|
|
try:
|
|
n = float(n)
|
|
except ValueError:
|
|
irc.error(msg, '%s is not a valid number.' % n)
|
|
return
|
|
try:
|
|
u1 = eval(unit1.lower(), self._convertEnv, self._convertEnv)
|
|
except:
|
|
irc.error(msg, '%s is not a valid units expression.' % unit1)
|
|
return
|
|
try:
|
|
u2 = eval(unit2.lower(), self._convertEnv, self._convertEnv)
|
|
except:
|
|
irc.error(msg, '%s is not a valid units expression.' % unit2)
|
|
return
|
|
try:
|
|
irc.reply(msg, str((n*u1).as(u2)))
|
|
except Exception, e:
|
|
irc.error(msg, str(e))
|
|
|
|
def units(self, irc, msg, args):
|
|
"""takes no arguments
|
|
|
|
Returns all the valid units.
|
|
"""
|
|
L = self._convertEnv.keys()
|
|
L.remove('__builtins__')
|
|
L.sort()
|
|
irc.reply(msg, utils.commaAndify(L))
|
|
|
|
|
|
Class = Math
|
|
|
|
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
|