141 lines
6.9 KiB
Python
141 lines
6.9 KiB
Python
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# Natural Language Toolkit: Sun Tsu-Bot
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#
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# Copyright (C) 2001-2023 NLTK Project
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# Author: Sam Huston 2007
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# URL: <https://www.nltk.org/>
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# For license information, see LICENSE.TXT
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"""
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Tsu bot responds to all queries with a Sun Tsu sayings
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Quoted from Sun Tsu's The Art of War
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Translated by LIONEL GILES, M.A. 1910
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Hosted by the Gutenberg Project
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https://www.gutenberg.org/
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"""
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from nltk.chat.util import Chat, reflections
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pairs = (
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(r"quit", ("Good-bye.", "Plan well", "May victory be your future")),
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(
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r"[^\?]*\?",
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(
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"Please consider whether you can answer your own question.",
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"Ask me no questions!",
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),
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),
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(
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r"[0-9]+(.*)",
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(
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"It is the rule in war, if our forces are ten to the enemy's one, to surround him; if five to one, to attack him; if twice as numerous, to divide our army into two.",
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"There are five essentials for victory",
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),
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),
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(
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r"[A-Ca-c](.*)",
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(
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"The art of war is of vital importance to the State.",
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"All warfare is based on deception.",
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"If your opponent is secure at all points, be prepared for him. If he is in superior strength, evade him.",
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"If the campaign is protracted, the resources of the State will not be equal to the strain.",
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"Attack him where he is unprepared, appear where you are not expected.",
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"There is no instance of a country having benefited from prolonged warfare.",
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),
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),
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(
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r"[D-Fd-f](.*)",
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(
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"The skillful soldier does not raise a second levy, neither are his supply-wagons loaded more than twice.",
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"Bring war material with you from home, but forage on the enemy.",
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"In war, then, let your great object be victory, not lengthy campaigns.",
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"To fight and conquer in all your battles is not supreme excellence; supreme excellence consists in breaking the enemy's resistance without fighting.",
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),
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),
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(
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r"[G-Ig-i](.*)",
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(
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"Heaven signifies night and day, cold and heat, times and seasons.",
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"It is the rule in war, if our forces are ten to the enemy's one, to surround him; if five to one, to attack him; if twice as numerous, to divide our army into two.",
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"The good fighters of old first put themselves beyond the possibility of defeat, and then waited for an opportunity of defeating the enemy.",
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"One may know how to conquer without being able to do it.",
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),
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),
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(
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r"[J-Lj-l](.*)",
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(
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"There are three ways in which a ruler can bring misfortune upon his army.",
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"By commanding the army to advance or to retreat, being ignorant of the fact that it cannot obey. This is called hobbling the army.",
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"By attempting to govern an army in the same way as he administers a kingdom, being ignorant of the conditions which obtain in an army. This causes restlessness in the soldier's minds.",
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"By employing the officers of his army without discrimination, through ignorance of the military principle of adaptation to circumstances. This shakes the confidence of the soldiers.",
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"There are five essentials for victory",
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"He will win who knows when to fight and when not to fight.",
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"He will win who knows how to handle both superior and inferior forces.",
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"He will win whose army is animated by the same spirit throughout all its ranks.",
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"He will win who, prepared himself, waits to take the enemy unprepared.",
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"He will win who has military capacity and is not interfered with by the sovereign.",
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),
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),
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(
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r"[M-Om-o](.*)",
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(
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"If you know the enemy and know yourself, you need not fear the result of a hundred battles.",
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"If you know yourself but not the enemy, for every victory gained you will also suffer a defeat.",
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"If you know neither the enemy nor yourself, you will succumb in every battle.",
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"The control of a large force is the same principle as the control of a few men: it is merely a question of dividing up their numbers.",
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),
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),
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(
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r"[P-Rp-r](.*)",
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(
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"Security against defeat implies defensive tactics; ability to defeat the enemy means taking the offensive.",
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"Standing on the defensive indicates insufficient strength; attacking, a superabundance of strength.",
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"He wins his battles by making no mistakes. Making no mistakes is what establishes the certainty of victory, for it means conquering an enemy that is already defeated.",
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"A victorious army opposed to a routed one, is as a pound's weight placed in the scale against a single grain.",
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"The onrush of a conquering force is like the bursting of pent-up waters into a chasm a thousand fathoms deep.",
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),
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),
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(
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r"[S-Us-u](.*)",
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(
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"What the ancients called a clever fighter is one who not only wins, but excels in winning with ease.",
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"Hence his victories bring him neither reputation for wisdom nor credit for courage.",
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"Hence the skillful fighter puts himself into a position which makes defeat impossible, and does not miss the moment for defeating the enemy.",
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"In war the victorious strategist only seeks battle after the victory has been won, whereas he who is destined to defeat first fights and afterwards looks for victory.",
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"There are not more than five musical notes, yet the combinations of these five give rise to more melodies than can ever be heard.",
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"Appear at points which the enemy must hasten to defend; march swiftly to places where you are not expected.",
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),
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),
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(
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r"[V-Zv-z](.*)",
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(
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"It is a matter of life and death, a road either to safety or to ruin.",
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"Hold out baits to entice the enemy. Feign disorder, and crush him.",
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"All men can see the tactics whereby I conquer, but what none can see is the strategy out of which victory is evolved.",
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"Do not repeat the tactics which have gained you one victory, but let your methods be regulated by the infinite variety of circumstances.",
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"So in war, the way is to avoid what is strong and to strike at what is weak.",
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"Just as water retains no constant shape, so in warfare there are no constant conditions.",
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),
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),
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(r"(.*)", ("Your statement insults me.", "")),
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)
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suntsu_chatbot = Chat(pairs, reflections)
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def suntsu_chat():
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print("Talk to the program by typing in plain English, using normal upper-")
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print('and lower-case letters and punctuation. Enter "quit" when done.')
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print("=" * 72)
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print("You seek enlightenment?")
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suntsu_chatbot.converse()
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def demo():
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suntsu_chat()
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if __name__ == "__main__":
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demo()
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