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732 lines
21 KiB
Clojure
732 lines
21 KiB
Clojure
(ns examples.tpt
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(:require [clojure.string :as string]
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[clojure.java.io :as io]
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[taoensso.tufte :as tufte :refer (defnp p profiled profile)]
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[com.owoga.trie :as trie]
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[com.owoga.tightly-packed-trie :as tpt]
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[com.owoga.trie.math :as math]
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[com.owoga.tightly-packed-trie.encoding :as encoding]
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[com.owoga.prhyme.util :as util]
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[com.owoga.prhyme.data.dictionary :as dict]
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[clojure.zip :as zip]
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[cljol.dig9 :as d]
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[com.owoga.prhyme.data.phonetics :as phonetics]))
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(tufte/add-basic-println-handler! {})
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(defn xf-file-seq [start end]
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(comp (remove #(.isDirectory %))
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(drop start)
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(take end)))
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(defn dark-corpus-file-seq [start end]
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(let [xf (comp (remove #(.isDirectory %))
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(drop start)
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(take end))
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documents (file-seq (io/file "dark-corpus"))]
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(transduce xf conj documents)))
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(def re-word
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"Regex for tokenizing a string into words
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(including contractions and hyphenations),
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commas, periods, and newlines."
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#"(?s).*?([a-zA-Z\d]+(?:['\-]?[a-zA-Z]+)?|,|\.|\n)")
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(defn pad-tokens
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"Pads the beginning with n - 1 <s> tokens and
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the end with 1 </s> token."
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[tokens n]
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(vec (concat (vec (repeat (max 1 (dec n)) "<s>")) tokens ["</s>"])))
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(defn tokenize-line
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[line]
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(->> line
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(string/trim)
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(re-seq re-word)
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(mapv second)
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(mapv string/lower-case)))
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(defn text->ngrams
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"Takes text from a file, including newlines.
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Pads lines with <s> and </s> for start/end of line.
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Pads beginning with n - 1 <s>s"
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[text n]
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(->> text
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util/clean-text
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(#(string/split % #"\n+"))
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(remove empty?)
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(mapv tokenize-line)
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(mapv #(pad-tokens % n))
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(mapv #(partition n 1 %))
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(mapv #(mapv vec %))
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(reduce #(into %1 %2) [])))
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(defn text->backwards-ngrams
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"Takes text from a file, including newlines.
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Pads lines with <s> and </s> for start/end of line.
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Pads beginning with n - 1 <s>s"
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[text n]
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(->> text
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util/clean-text
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(#(string/split % #"\n+"))
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(remove empty?)
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(mapv tokenize-line)
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(mapv #(pad-tokens % n))
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reverse
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(mapv reverse)
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(mapv #(partition n 1 %))
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(mapv #(mapv vec %))
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(reduce #(into %1 %2) [])))
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(defn n-to-m-grams
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"Exclusive of m, similar to range."
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[n m text]
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(loop [i n
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r []]
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(cond
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(= i m)
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r
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:else
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(recur (inc i)
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(into r (text->ngrams text i))))))
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(defn n-to-m-backwards-grams
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"Exclusive of m, similar to range."
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[n m text]
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(loop [i n
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r []]
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(cond
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(= i m)
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r
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:else
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(recur (inc i)
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(into r (text->backwards-ngrams text i))))))
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(declare ->TrieKey)
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(deftype TrieKey [key]
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clojure.lang.IPersistentStack
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(peek [self]
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(let [x (last (seq self))]
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(if (.equals "" x)
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nil
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(Integer/parseInt x))))
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(pop [self]
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(TrieKey. (string/replace key #"(.*):.*$" "$1")))
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clojure.lang.ISeq
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(first [self]
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(let [x (first (seq self))]
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(if (.equals x "")
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nil
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(Integer/parseInt x))))
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(next [self]
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(TrieKey. (string/replace key #".*?:(.*)" "$1")))
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(more [self]
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(let [xs (string/split key #":")]
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(if (.equals xs "") '() (into (->TrieKey "") (rest xs)))))
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(cons [self o]
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(TrieKey.
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(cond
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(.equals key "") ":"
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(.equals key ":") (str key o)
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:else (str key ":" o))))
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clojure.lang.IPersistentCollection
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(count [self]
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(count (seq self)))
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(empty [self]
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(TrieKey. ""))
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(equiv [self o]
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(.equals self o))
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clojure.lang.Seqable
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(seq [self]
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(if (.equals "" key)
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nil
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(seq (string/split key #":")))))
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(defmethod print-method TrieKey [trie-key ^java.io.Writer w]
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(print-method (.key trie-key) w))
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(defmethod print-dup TrieKey [trie-key ^java.io.Writer w]
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(print-ctor trie-key (fn [o w] (print-dup (.key trie-key) w)) w))
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(defn trie-key
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([]
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(->TrieKey ""))
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([coll]
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(->TrieKey (string/join ":" coll))))
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(def trie-database (atom nil))
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(defn stateful-transducer [xf]
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(let [trie (volatile! (trie/make-trie))
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database (atom {})
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next-id (volatile! 1)]
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(fn
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([] (xf))
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([result]
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(reset! trie-database @database)
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(xf result))
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([result input]
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(let [ngrams-ids
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(mapv
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(fn [ngrams]
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(mapv
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(fn [ngram]
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(let [gram-ids (mapv
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(fn [gram]
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(let [gram-id (get @database gram @next-id)]
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(when (.equals gram-id @next-id)
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(swap! database
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#(-> %
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(assoc gram gram-id)
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(assoc gram-id gram)))
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(vswap! next-id inc))
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gram-id))
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ngram)
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ngram-id (get database gram-ids @next-id)]
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gram-ids))
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ngrams))
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input)]
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(vswap!
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trie
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(fn [trie ngrams-ids]
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(reduce
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(fn [trie [ngram-ids _]]
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(update trie ngram-ids (fnil #(update % 1 inc) [(peek ngram-ids) 0])))
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trie
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ngrams-ids))
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ngrams-ids))))))
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(defn prep-ngram-for-trie
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"The tpt/trie expects values conjed into an ngram
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to be of format '(k1 k2 k3 value)."
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[ngram]
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(clojure.lang.MapEntry. (vec ngram) ngram))
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(defn seq-of-nodes->sorted-by-count
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"Sorted first by the rank of the ngram, lowest ranks first.
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Sorted second by the frequency of the ngram, highest frequencies first.
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This is the order that you'd populate a mapping of keys to IDs."
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[trie]
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(->> trie
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trie/children
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(map #(get % []))
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(sort-by :count)
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reverse))
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(defn rhyme-trie-transducer [xf]
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(let [trie (volatile! (trie/make-trie))
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database (atom {})
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next-id (volatile! 1)]
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(fn
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([] (xf))
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([result]
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(reset! trie-database @database)
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(xf result))
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([result input]
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(let [ngrams-ids
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(mapv
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(fn [ngrams]
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(mapv
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(fn [ngram]
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(let [gram-ids (mapv
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(fn [gram]
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(let [gram-id (get @database gram @next-id)]
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(when (.equals gram-id @next-id)
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(swap! database
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#(-> %
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(assoc gram gram-id)
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(assoc gram-id gram)))
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(vswap! next-id inc))
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gram-id))
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ngram)
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ngram-id (get database gram-ids @next-id)]
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gram-ids))
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ngrams))
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input)]
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(vswap!
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trie
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(fn [trie ngrams-ids]
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(reduce
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(fn [trie [ngram-ids _]]
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(update trie ngram-ids (fnil #(update % 1 inc) [(peek ngram-ids) 0])))
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trie
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ngrams-ids))
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ngrams-ids))))))
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(comment
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(time
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(def trie
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(transduce (comp (xf-file-seq 0 250000)
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(map slurp)
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(map (partial n-to-m-grams 1 4))
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(map (fn [ngrams] (map #(prep-ngram-for-trie %) ngrams)))
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stateful-transducer)
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conj
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(file-seq (io/file "dark-corpus")))))
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(time
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(def backwards-trie
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(transduce (comp (xf-file-seq 0 1000)
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(map slurp)
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(map (partial n-to-m-backwards-grams 1 4))
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(map (fn [ngrams] (map #(prep-ngram-for-trie %) ngrams)))
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stateful-transducer)
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conj
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(file-seq (io/file "dark-corpus")))))
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)
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(defn encode-fn [v]
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(let [[value count] (if (seqable? v) v [nil nil])]
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(if (nil? value)
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(encoding/encode 0)
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(byte-array
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(concat (encoding/encode value)
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(encoding/encode count))))))
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(defn decode-fn [db]
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(fn [byte-buffer]
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(let [value (encoding/decode byte-buffer)]
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(if (zero? value)
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nil
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[value (encoding/decode byte-buffer)]))))
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(comment
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(time
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(def tightly-packed-trie
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(tpt/tightly-packed-trie
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trie
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encode-fn
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(decode-fn @trie-database))))
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(time
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(def tightly-packed-backwards-trie
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(tpt/tightly-packed-trie
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backwards-trie
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encode-fn
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(decode-fn @trie-database))))
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)
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(defn key-get-in-tpt [tpt db ks]
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(let [id (map #(get-in db [(list %) :id]) ks)
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v (get tpt id)]
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{id v}))
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(defn id-get-in-tpt [tpt db ids]
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(let [ks (apply concat (map #(get db %) ids))
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v (get tpt ids)
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id (get-in db [ks :id])]
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{ks (assoc v :value (get db id))}))
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(defn clone-consonants [phones]
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(map
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#(if (phonetics/vowel (string/replace % #"\d" ""))
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%
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"?")
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phones))
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(defn word->phones [word]
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(or (dict/word->cmu-phones word)
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(util/get-phones-with-stress word)))
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(defn perfect-rhymes [rhyme-trie phones]
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(let [rhyme-suffix (first
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(util/take-through
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#(= (last %) \1)
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(reverse phones)))]
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(trie/lookup rhyme-trie rhyme-suffix)))
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(defn vowel-rhymes [rhyme-trie phones]
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(let [rhyme-suffix (->> (reverse phones)
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(clone-consonants)
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(util/take-through #(= (last %) \1))
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(first))]
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(trie/lookup rhyme-trie rhyme-suffix)))
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(defn n+1grams [trie k]
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(->> (trie/lookup trie k)
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(trie/children)
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(map #(get % []))))
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(defn word->n+1grams [trie database word]
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(->> word
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database
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(#(trie/lookup trie [%]))
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trie/children
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(map #(get % []))
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(map (fn [[id fr]] [(database id) fr]))
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(sort-by (comp - #(nth % 1)))
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(remove #({"<s>" "</s>"} (nth % 0)))))
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(comment
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(let [trie (@context :trie)
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db (@context :database)]
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(word->n+1grams trie db "technology"))
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)
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(defonce context (atom {}))
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(defn initialize []
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(swap!
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context
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assoc
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:database
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(with-open [rdr (clojure.java.io/reader "resources/backwards-database.bin")]
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(into {} (map read-string (line-seq rdr)))))
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(swap!
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context
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assoc
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:trie
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(tpt/load-tightly-packed-trie-from-file
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"resources/dark-corpus-backwards-tpt.bin"
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(decode-fn (@context :database))))
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(swap!
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context
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assoc
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:perfect-rhyme-trie
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(transduce
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(comp
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(map first)
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(filter string?)
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(map #(vector % (reverse (word->phones %))))
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(map reverse))
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(completing
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(fn [trie [k v]]
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(update trie k (fnil #(update % 1 inc) [v 0]))))
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(trie/make-trie)
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(@context :database)))
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(swap!
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context
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assoc
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:vowel-rhyme-trie
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(transduce
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(comp
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(map first)
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(filter string?)
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(map #(vector % (reverse (word->phones %))))
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(map reverse)
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(map (fn [[phones v]]
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[(map #(if (phonetics/vowel
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(string/replace % #"\d" ""))
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%
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"?")
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phones)
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v])))
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(completing
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(fn [trie [k v]]
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(update trie k (fnil #(update % 1 inc) [v 0]))))
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(trie/make-trie)
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(@context :database)))
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nil)
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(defn find-rhymes [trie word]
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(->> (perfect-rhymes trie (or (dict/cmu-with-stress-map word)
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(util/get-phones-with-stress word)))
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(map (comp first second))
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(remove nil?)
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(map (@context :database))
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(map #(get (@context :trie) [%]))
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(sort-by #(nth % 1))
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(reverse)
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(map
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(fn [[word-id freq]]
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[((@context :database) word-id)
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freq]))
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(remove #(= word (first %)))))
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(defn choose-next-word [{:keys [database trie] :as context} n-gram]
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(let [n-gram-ids (->> n-gram (map first) (map database))
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node (trie/lookup trie n-gram-ids)]
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(cond
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(= 0 (count n-gram-ids))
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(let [children (map #(get % []) (trie/children trie))
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choice (math/weighted-selection second children)]
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[(database (first choice)) (second choice)])
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node
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(let [children (->> node (trie/children) (map #(get % [])))]
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(if (seq children)
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(let [children-freqs (into (sorted-map) (frequencies (map second children)))
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n-minus-1-gram-odds (/ (second (first children-freqs))
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(+ (second (get node []))
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(second (first children-freqs))))
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take-n-minus-1-gram? (and (< 1 (count n-gram-ids))
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(< (rand) n-minus-1-gram-odds))]
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(if take-n-minus-1-gram?
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(choose-next-word context (butlast n-gram))
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(let [choice (math/weighted-selection second children)]
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[(database (first choice)) (second choice)])))
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(choose-next-word context (butlast n-gram))))
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:else
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(choose-next-word context (butlast n-gram)))))
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(defn generate-phrase [{:keys [database trie] :as context} phrase]
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(loop [phrase phrase]
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(if (< 10 (count phrase))
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phrase
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(recur (cons (choose-next-word context (take 3 phrase))
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phrase)))))
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(defn generate-rhyme [{:keys [perfect-rhyme-trie] :as context} phrase]
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(let [phrase1 (generate-phrase context phrase)
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rhyme (first (find-rhymes perfect-rhyme-trie (first (last phrase1))))
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phrase2 (generate-phrase context (list (last phrase1)))]
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[phrase1 phrase2]))
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(comment
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(initialize)
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(generate-phrase @context '(["bitter" 41]))
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(generate-rhyme @context '(["bitter" 41]))
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(choose-next-word @context (take 3 [["theology" 41]]))
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(choose-next-word @context [["and" 5] ["theology" 41]])
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(find-rhymes (@context :perfect-rhyme-trie) "theology")
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(trie/chil(trie/lookup (@context :trie) '(57 2477)))
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(take 5 (@context :trie))
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(->> (find-rhymes (@context :perfect-rhyme-trie) "technology")
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(map (fn [[word frq]]
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(let [n+1grams (word->n+1grams
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(@context :trie)
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(@context :database)
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word)]
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(map vector n+1grams (repeat [word frq])))))
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(reduce into []))
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(do
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#_(time
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(def backwards-trie
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(transduce (comp (xf-file-seq 0 250000)
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(map slurp)
|
|
(map (partial n-to-m-backwards-grams 1 4))
|
|
(map (fn [ngrams] (map #(prep-ngram-for-trie %) ngrams)))
|
|
stateful-transducer)
|
|
conj
|
|
(file-seq (io/file "dark-corpus")))))
|
|
|
|
#_(time
|
|
(def tightly-packed-backwards-trie
|
|
(tpt/tightly-packed-trie
|
|
backwards-trie
|
|
encode-fn
|
|
(decode-fn @trie-database))))
|
|
|
|
#_(tpt/save-tightly-packed-trie-to-file
|
|
"resources/dark-corpus-backwards-tpt.bin"
|
|
tightly-packed-backwards-trie)
|
|
#_(with-open [wtr (clojure.java.io/writer "resources/backwards-database.bin")]
|
|
(let [lines (->> (seq @trie-database)
|
|
(map pr-str)
|
|
(map #(str % "\n")))]
|
|
(doseq [line lines]
|
|
(.write wtr line))))
|
|
|
|
(def loaded-backwards-trie
|
|
(tpt/load-tightly-packed-trie-from-file
|
|
"resources/dark-corpus-backwards-tpt.bin"
|
|
(decode-fn @trie-database)))
|
|
|
|
(def loaded-backwards-database
|
|
(with-open [rdr (clojure.java.io/reader "resources/backwards-database.bin")]
|
|
(into {} (map read-string (line-seq rdr)))))
|
|
|
|
(def rhyme-database (atom {}))
|
|
|
|
(def perfect-rhyme-trie
|
|
(transduce
|
|
(comp
|
|
(map first)
|
|
(filter string?)
|
|
(map #(vector % (reverse (word->phones %))))
|
|
(map reverse))
|
|
(completing
|
|
(fn [trie [k v]]
|
|
(update trie k (fnil #(update % 1 inc) [v 0]))))
|
|
(trie/make-trie)
|
|
@loaded-backwards-database))
|
|
|
|
(def vowel-rhyme-trie
|
|
(transduce
|
|
(comp
|
|
(map first)
|
|
(filter string?)
|
|
(map #(vector % (reverse (word->phones %))))
|
|
(map reverse)
|
|
(map (fn [[phones v]]
|
|
[(map #(if (phonetics/vowel
|
|
(string/replace % #"\d" ""))
|
|
%
|
|
"?")
|
|
phones)
|
|
v])))
|
|
(completing
|
|
(fn [trie [k v]]
|
|
(update trie k (fnil #(update % 1 inc) [v 0]))))
|
|
(trie/make-trie)
|
|
@loaded-backwards-database))
|
|
)
|
|
|
|
#_(with-open [wtr (clojure.java.io/writer "database.bin")]
|
|
(let [lines (->> (seq @trie-database)
|
|
(map pr-str)
|
|
(map #(str % "\n")))]
|
|
(doseq [line lines]
|
|
(.write wtr line))))
|
|
|
|
(profile
|
|
{}
|
|
(def example-story
|
|
(loop [generated-text [(get @trie-database "<s>")]
|
|
i 0]
|
|
(if (> i 20)
|
|
generated-text
|
|
(let [children (loop [i 4]
|
|
(let [node (p :lookup
|
|
(trie/lookup
|
|
loaded-tightly-packed-trie
|
|
(vec (take-last i generated-text))))
|
|
children (p :seq-children (and node (trie/children node)))]
|
|
(cond
|
|
(nil? node) (recur (dec i))
|
|
(< i 0) (throw (Exception. "Error"))
|
|
(seq children) children
|
|
:else (recur (dec i)))))]
|
|
(recur
|
|
(conj
|
|
generated-text
|
|
(->> children
|
|
(map #(get % []))
|
|
(remove nil?)
|
|
(#(p :weighted-selection (math/weighted-selection
|
|
(fn [[_ c]] c)
|
|
%)))
|
|
first))
|
|
(inc i)))))))
|
|
|
|
(->> example-story
|
|
(map (fn [v] (get-in @trie-database [v])))
|
|
(string/join " ")
|
|
(#(string/replace % #" ([\.,\?])" "$1"))
|
|
((fn [txt]
|
|
(string/replace txt #"(^|\. |\? )([a-z])" (fn [[a b c]]
|
|
(str b (.toUpperCase c)))))))
|
|
|
|
(key-get-in-tpt
|
|
tightly-packed-trie
|
|
trie-database
|
|
'("<s>" "<s>" "the"))
|
|
;; => {(2 2 3) {:value 3263, :count 462}}
|
|
(id-get-in-tpt
|
|
tightly-packed-trie
|
|
trie-database
|
|
'(2 2 3)))
|
|
;; => {("<s>" "<s>" "the") {:value ("<s>" "<s>" "the"), :count 462}}
|
|
|
|
|
|
(comment
|
|
(->> (perfect-rhymes perfect-rhyme-trie
|
|
(or (dict/cmu-with-stress-map "technology")
|
|
(util/get-phones-with-stress "technology")))
|
|
(map (comp first second))
|
|
(remove nil?)
|
|
#_#_#_#_(map @loaded-backwards-database)
|
|
(map #(vector [%] (n+1grams
|
|
loaded-backwards-trie
|
|
[%])))
|
|
(map (fn [[w1 w2s]]
|
|
(mapv #(into w1 [(nth % 0)]) w2s)))
|
|
(take 10))
|
|
|
|
(->> (perfect-rhymes perfect-rhyme-trie
|
|
(or (dict/cmu-with-stress-map "technology")
|
|
(util/get-phones-with-stress "technology")))
|
|
(map (comp first second))
|
|
(remove nil?)
|
|
(map @loaded-backwards-database)
|
|
(map #(vector [%] (n+1grams
|
|
loaded-backwards-trie
|
|
[%])))
|
|
(map (fn [[w1 w2s]]
|
|
(mapv #(into w1 [(nth % 0)]) w2s)))
|
|
(reduce into [])
|
|
(map (fn [k]
|
|
(let [children (->> (n+1grams loaded-backwards-trie k)
|
|
(mapv first))]
|
|
(mapv #(into k [%]) children))))
|
|
(reduce into [])
|
|
#_#_#_#_(map #(map @loaded-backwards-database %))
|
|
(filter (partial every? dict/english?))
|
|
(take 100)
|
|
(map reverse))
|
|
|
|
|
|
(util/get-phones-with-stress "you") ;; => ("B" "AA1" "DH" "ER" "M")
|
|
(def phones (or (dict/cmu-with-stress-map "sandman")
|
|
(util/get-phones-with-stress "sandman")))
|
|
|
|
(take 20 vowel-rhyme-trie)
|
|
(->> (vowel-rhymes vowel-rhyme-trie phones)
|
|
(map (comp first second))
|
|
(remove nil?)
|
|
(take 20))
|
|
|
|
;; Bigrams of rhyme
|
|
(->> (perfect-rhymes perfect-rhyme-trie
|
|
(or (dict/cmu-with-stress-map "technology")
|
|
(util/get-phones-with-stress "technology")))
|
|
(map (comp first second))
|
|
(remove nil?)
|
|
(map @loaded-backwards-database)
|
|
(map #(vector [%] (n+1grams
|
|
loaded-backwards-trie
|
|
[%])))
|
|
(map (fn [[w1 w2s]]
|
|
(mapv #(into w1 [(nth % 0)]) w2s)))
|
|
(reduce into [])
|
|
(map (fn [k]
|
|
(let [children (->> (n+1grams loaded-backwards-trie k)
|
|
(mapv first))]
|
|
(mapv #(into k [%]) children))))
|
|
(reduce into [])
|
|
(map #(map @loaded-backwards-database %))
|
|
(filter (partial every? dict/english?))
|
|
(take 100)
|
|
(map reverse))
|
|
|
|
)
|