138 lines
4.3 KiB
Python
138 lines
4.3 KiB
Python
"""
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TextTransform - assorted text transformations (e.g. rot13)
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Copyright (C) 2010 Brian S. Stephan
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import base64
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import re
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from Module import Module
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class TextTransform(Module):
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"""
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Do a number of text transformations, like rot13.
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"""
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def do(self, connection, event, nick, userhost, what, admin_unlocked):
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"""
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Pass the real work on to one of our methods and see if any bite.
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"""
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# if the caller replied, this will be the reply and they'll have returned true
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reply = ['']
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if self.rot13(what, reply):
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return self.irc.reply(event, reply[0])
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elif self.base64(what, reply):
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return self.irc.reply(event, reply[0])
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elif self.upper(what, reply):
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return self.irc.reply(event, reply[0])
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elif self.lower(what, reply):
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return self.irc.reply(event, reply[0])
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elif self.al_bhed(what, reply):
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return self.irc.reply(event, reply[0])
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def rot13(self, what, reply):
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"""
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Apply a rot13 method to the text if first word is 'rot13'.
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"""
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match = re.search('^!rot13\s+(.*)$', what)
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if match:
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text = match.group(1)
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reply[0] = text.encode('rot13', 'ignore')
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return True
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def base64(self, what, reply):
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"""
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Encode/decode base64 string.
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"""
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match = re.search('^!base64\s+encode\s+(.*)$', what)
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if match:
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text = match.group(1)
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reply[0] = base64.encodestring(text).replace('\n','')
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return True
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match = re.search('^!base64\s+decode\s+(.*)$', what)
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if match:
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text = match.group(1)
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reply[0] = base64.decodestring(text).replace('\n','')
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return True
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def upper(self, what, reply):
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"""
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Convert a string to uppercase.
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"""
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match = re.search('^!upper\s+(.*)$', what)
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if match:
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text = match.group(1)
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reply[0] = text.upper()
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return True
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def lower(self, what, reply):
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"""
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Convert a string to lowercase.
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"""
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match = re.search('^!lower\s+(.*)$', what)
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if match:
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text = match.group(1)
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reply[0] = text.lower()
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return True
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def al_bhed(self, what, reply):
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"""
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Convert a string to al bhed.
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"""
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cipher = {'A':'Y','B':'P','C':'L','D':'T','E':'A','F':'V','G':'K','H':'R','I':'E','J':'Z','K':'G','L':'M','M':'S','N':'H','O':'U','P':'B','Q':'X','R':'N','S':'C','T':'D','U':'I','V':'J','W':'F','X':'Q','Y':'O','Z':'W'}
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decipher = dict([(v,k) for (k,v) in cipher.iteritems()])
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match = re.search('^!al-bhed\s+(.*)$', what)
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if match:
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text = match.group(1)
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trans = []
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for i in range(len(text)):
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if text[i] in cipher:
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trans.append(cipher[text[i]])
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elif text[i].upper() in cipher:
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trans.append(cipher[text[i].upper()].lower())
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else:
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trans.append(text[i])
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reply[0] = "".join(trans)
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return True
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match = re.search('^!deal-bhed\s+(.*)$', what)
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if match:
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text = match.group(1)
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trans = []
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for i in range(len(text)):
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if text[i] in decipher:
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trans.append(decipher[text[i]])
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elif text[i].upper() in cipher:
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trans.append(decipher[text[i].upper()].lower())
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else:
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trans.append(text[i])
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reply[0] = "".join(trans)
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return True
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# vi:tabstop=4:expandtab:autoindent
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# kate: indent-mode python;indent-width 4;replace-tabs on;
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