Sun, 19 Apr 2015 22:33:39 +0300
- store expression and tokens as members of Calculator rather than being passed around as parameters
''' Copyright 2014-2015 Teemu Piippo All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. 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. 3. The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. ''' import math import urllib2 import json import subprocess import re from modulecore import command_error import modulecore as ModuleCore import utility import calc ModuleData = { 'commands': [ { 'name': 'convert', 'description': 'Performs numeric conversion', 'args': '<value> as <valuetype>', 'level': 'normal', }, { 'name': 'ud', 'description': 'Looks up a term in urban dictionary', 'args': '<term...>', 'level': 'normal', }, { 'name': 'commands', 'description': 'Lists commands available to the calling user', 'args': None, 'level': 'normal', }, { 'name': 'help', 'description': 'Prints help about a given command', 'args': '<command>', 'level': 'normal', }, { 'name': 'calc', 'description': 'Calculates a mathematical expression using apcalc', 'args': '<expression...>', 'level': 'normal', }, { 'name': 'calcfunctions', 'description': 'Lists the functions supported by .calc', 'args': None, 'level': 'normal', }, { 'name': 'more', 'description': 'Prints subsequent command result pages', 'args': None, 'level': 'normal', }, { 'name': 'yes', 'description': 'Confirms the previous command', 'args': None, 'level': 'normal', }, { 'name': 'no', 'description': 'Unconfirms the previous command', 'args': None, 'level': 'normal', }, { 'name': 'bitly', 'description': 'Shortens a link using bit.ly', 'args': '<link>', 'level': 'normal' }, ] } def cmd_convert (bot, args, reply, **rest): try: value = float (args['value']) except Exception as e: command_error (str (e)) valuetype = args['valuetype'] if valuetype in ['radians', 'degrees']: if valuetype == 'radians': radvalue = value degvalue = (value * 180.) / math.pi else: radvalue = (value * math.pi) / 180. degvalue = value reply ('%s radians, %s degrees (%s)' % (radvalue, degvalue, degvalue % 360.)) return if valuetype in ['celsius', 'fahrenheit']: if valuetype == 'celsius': celvalue = value fahrvalue = value * 1.8 + 32 else: celvalue = (value - 32) / 1.8 fahrvalue = value reply ('%s degrees celsius, %s degrees fahrenheit' % (celvalue, fahrvalue)) return command_error ('unknown valuetype %s, expected one of: degrees, radians (angle conversion), ' + 'celsius, fahrenheit (temperature conversion)' % valuetype) def cmd_ud (bot, args, reply, **rest): try: url = 'http://api.urbandictionary.com/v0/define?term=%s' % (args['term'].replace (' ', '%20')) response = urllib2.urlopen (url).read() data = json.loads (response) if not 'list' in data \ or len(data['list']) == 0 \ or not 'word' in data['list'][0] \ or not 'definition' in data['list'][0]: command_error ("couldn't find a definition of \002%s\002" % args['term']) word = data['list'][0]['word'] definition = data['list'][0]['definition'].replace ('\r', ' ').replace ('\n', ' ').replace (' ', ' ') up = data['list'][0]['thumbs_up'] down = data['list'][0]['thumbs_down'] reply ("\002%s\002: %s\0033 %d\003 up,\0035 %d\003 down" % (word, definition, up, down)) except Exception as e: command_error ('Urban dictionary lookup failed: %s' % e) def cmd_commands (bot, reply, ident, host, **rest): commandlist = ModuleCore.get_available_commands (ident, host) partitioned=[] while len (commandlist) > 0: partitioned.append (commandlist[0:15]) commandlist = commandlist[15:] for part in partitioned: reply ('\002Available commands\002: %s' % (", ".join (part))) def cmd_help (bot, reply, ident, host, args, **rest): cmd = ModuleCore.get_command_by_name (args['command']) if not cmd: command_error ('unknown command \'%s\'' % args['command']) if not ModuleCore.is_available (cmd, ident, host): command_error ('you may not use %s' % cmd['name']) reply ('%s %s: %s' % (cmd['name'], cmd['args'], cmd['description'])) def mathsubstitute (expr, token, value): rex = re.compile (r'^(.*)\b' + token + r'\b(.*)$') match = rex.match (expr) while match: expr = match.group(1) + str (value) + match.group(2) match = rex.match (expr) return expr def cmd_calcfunctions (bot, reply, **rest): reply ('Available functions for .calc: %s' % \ ', '.join (sorted ([name for name, data in calc.Functions.iteritems()]))) def cmd_calc (bot, reply, args, **rest): reply (calc.Calculator().calc (args['expression'])) # expr = args['expression'] # try: # Substitute some mathematical constants # expr = mathsubstitute (expr, 'pi' , 3.14159265358979323846264338327950288419716939937510) # expr = mathsubstitute (expr, 'e' , 2.71828182845904523536028747135266249775724709369995) # expr = mathsubstitute (expr, 'phi', 1.6180339887498948482) # golden ratio # result = subprocess.check_output (['calc', '--', expr], stderr=subprocess.STDOUT) \ # .replace ('\t', '') \ # .replace ('\n', '') # errmatch = re.compile (r'^.*\bError\b.*$').match (result) # if errmatch: # command_error ('math error') # return # reply ('Result: %s' % result) # except subprocess.CalledProcessError as e: # command_error (e.output.split('\n')[0]) # except OSError as e: # command_error ('failed to execute calc: ' + e.strerror) def cmd_more (commandObject, **rest): ModuleCore.print_responses (commandObject) def cmd_yes (**k): ModuleCore.confirm (k, True) def cmd_no (**k): ModuleCore.confirm (k, False) def cmd_bitly (reply, args, **k): reply ('Result: %s' % utility.shorten_link (args['link']))