Initial commit

poetry.py

@@ -0,0 +1,68 @@
+from vocabulary import (
+    get_meter,
+    random_word, 
+    rhyming_pair, 
+)
+from grammar import (
+    make_indefinite,
+    noun_phrase,
+    past_tense_transitive,
+    pluralize,
+    verb_phrase,
+    verb_phrase_transitive,
+)
+from grammatical_types import (
+    Adjective,
+    Adverb,
+    Noun,
+    Meter,
+    Poem,
+    Pronoun,
+    TransitiveVerb,
+)
+
+def love_poem():
+    "() -> Poem"
+    poem = Poem() 
+    poem.append("roses are red")
+    poem.append("violets are blue")
+    poem.append(pluralize(random_word(Noun)) + " are " + random_word(Adjective))
+    poem.append("and so are you.")
+    return poem
+
+def couplet():
+    "() -> Poem"
+    poem = Poem() 
+    first_noun, second_noun = rhyming_pair(Noun, Noun, meter=Meter("1"))
+    first_adjective = random_word(Adjective, meter=Meter("100"))
+    first_np = make_indefinite(noun_phrase(first_adjective, first_noun))
+    second_adjective = random_word(Adjective, meter=Meter("10"))
+    second_np = make_indefinite(noun_phrase(second_adjective, second_noun))
+    poem.append("I used to have " + first_np)
+    poem.append("Until I swapped it for " + second_np + ".")
+    return poem
+    
+def limerick(name, subjective_pronoun, possessive_pronoun):
+    """str, str, str -> Poem
+    For example, `limerick("Chris", "he", "his")`.
+    """
+    noun0, noun1 = random_word(Noun, count=2, rhymes_with=name)
+    adjective = random_word(Adjective, meter=Meter("100"))
+    adverb = random_word(Adverb, meter=Meter("10"))
+    verb0, verb1 = rhyming_pair(TransitiveVerb, TransitiveVerb, meter=Meter("10"))
+    object_pronoun = Pronoun("it")
+
+    np0 = make_indefinite(noun_phrase(adjective, noun0))
+    np1 = make_indefinite(noun1)
+    verb0 = past_tense_transitive(verb0)
+    verb1 = past_tense_transitive(verb1)
+    vp0 = verb_phrase(adverb, verb_phrase_transitive(verb0, object_pronoun))
+    vp1 = verb_phrase_transitive(verb1, object_pronoun)
+
+    poem = Poem() 
+    poem.append("there once was a person named " + name)
+    poem.append("who owned " + np0 + ".")
+    poem.append(subjective_pronoun + " " + vp0 + ",") 
+    poem.append("and then " + subjective_pronoun + " " + vp1 + ",")
+    poem.append("until it turned into " + np1 + ".")
+    return poem