def __build_tries(dataset_id: int, user_id: int) -> DatasetDictionary:
"""Creates lookup tries from levels and segments"""
col_unique_values = get_column_unique_values(dataset_id, user_id)
all_values = __condense_and_lemmatize(col_unique_values)
level_trie = Trie()
level_trie.add_all(all_values)
colname_trie = Trie()
colname_trie.add_all(list(col_unique_values.keys()))
wordcount = colname_trie.get_word_count() + level_trie.get_word_count()
return DatasetDictionary(dataset_id, colname_trie, level_trie, wordcount)
def __init__(self,
dictionary_loader: DictionaryLoader,
language="en",
filters: List[AnnotationFilter] = None):
"""
Parameters
----------
dictionary_loader: DictionaryLoader
The dictionary loader that will provide the dictionary contents
language: str
The language of the text that will processed (affects the choice of tokenner and stemmer).
filters: List[AnnotationFilter]
A list of filters to apply post recognition
"""
super().__init__(dictionary_loader, language=language, filters=filters)
self.punctuation_remove = regex.compile(
r'[\p{C}|\p{M}|\p{P}|\p{S}|\p{Z}]+', regex.UNICODE)
self.label_concept_index = {}
self.label_token_counts = {}
self.label_lengths = {}
self.trie = Trie()
if language == 'en':
import en_core_web_md
self.spacy = en_core_web_md.load()
elif language == 'fr':
import fr_core_web_md
self.spacy = fr_core_web_md.load()
else:
raise ValueError(f"Unsupported language: {language}")
def test_word_add_all_with_number(self):
self.trie = Trie()
self.trie.add_all(('axe', 'kick', 3)) #tuple with one integer.
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertTrue('axe' in self.trie, "Word should be in trie")
self.assertTrue('kick' in self.trie, "Word should be in trie")
self.assertEqual(2, self.trie.get_word_count(), "Word count not equal")
def test_word_add_all_set(self):
self.trie = Trie()
self.trie.add_all({'axe', 'kick'}) #set
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertTrue('axe' in self.trie, "Word should be in trie")
self.assertTrue('kick' in self.trie, "Word should be in trie")
self.assertEqual(2, self.trie.get_word_count(), "Word count not equal")
def test_trie_node_count(self):
self.trie = Trie()
self.trie.add_all(['ash', 'ashley'])
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertTrue('ash' in self.trie, "Word should be in trie")
self.assertTrue('ashley' in self.trie, "Word should be in trie")
self.assertEqual(2, self.trie.get_word_count(), "Word count not equal")
self.assertEqual(7, len(self.trie), "Number of nodes")
def test_trie_wildcard_exception(self):
self.trie = Trie()
self.trie.add_all(['ab', 'as', 'ash', 'ashley'])
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertTrue('ash' in self.trie, "Word should be in trie")
self.assertTrue('ashley' in self.trie, "Word should be in trie")
self.assertRaises(InvalidWildCardExpressionError, self.trie.search,
'#$%^a')
def test_word_add_all_file_path(self):
self.trie = Trie()
self.trie.add_all(small_dataset) # From a file
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertTrue('ash' in self.trie, "Word should be in trie")
self.assertTrue('ashley' in self.trie, "Word should be in trie")
self.assertTrue('simpson' in self.trie, "Word should be in trie")
self.assertEqual(8, self.trie.get_word_count(), "Word count not equal")
def test_trie_question_search(self):
self.trie = Trie()
self.trie.add_all(['ab', 'as', 'ash', 'ashley'])
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertTrue('ash' in self.trie, "Word should be in trie")
self.assertTrue('ashley' in self.trie, "Word should be in trie")
self.assertEqual(sorted(self.trie.search('a?')), sorted(['ab', 'as']),
'The lists should be equal')
def _build_from_file(infile=None, _type='Trie'):
if infile is None:
raise ValueError("Please provide the file path")
fsa = None
if _type == 'Trie':
fsa = Trie()
fsa.add_all(infile)
elif _type == 'DAWG':
fsa = DAWG()
fsa.add_all(infile)
return fsa
def test_trie_prefix_search(self):
self.trie = Trie()
self.trie.add_all(['ashlame', 'ashley', 'askoiu', 'ashlo'])
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertFalse('ash' in self.trie, "Word should not be in trie")
self.assertTrue('ashley' in self.trie, "Word should be in trie")
self.assertEqual(4, self.trie.get_word_count(), "Word count not equal")
self.assertTrue(self.trie.contains_prefix('ash'),
"Prefix should be present in Trie")
self.assertEqual(sorted(self.trie.search_with_prefix('ash')),
sorted(['ashlame', 'ashley', 'ashlo']),
'The lists should be equal')
def test_word_add_all_gen(self):
def gen_words():
a = ['ash', 'ashley', 'simpson']
for word in a:
yield word
self.trie = Trie()
self.trie.add_all(gen_words()) # generator
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertTrue('ash' in self.trie, "Word should be in trie")
self.assertTrue('ashley' in self.trie, "Word should be in trie")
self.assertTrue('simpson' in self.trie, "Word should be in trie")
self.assertEqual(3, self.trie.get_word_count(), "Word count not equal")
def test_trie_node_prefix_not_exists(self):
self.trie = Trie()
self.trie.add_all(['ash', 'ashley'])
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertTrue('ash' in self.trie, "Word should be in trie")
self.assertTrue('ashley' in self.trie, "Word should be in trie")
self.assertEqual(2, self.trie.get_word_count(), "Word count not equal")
self.assertFalse(self.trie.contains_prefix('xmas'),
"Prefix should be present in Trie")
self.assertFalse(self.trie.contains_prefix('xor'),
"Prefix should be present in Trie")
self.assertFalse(self.trie.contains_prefix('sh'),
"Prefix should be present in Trie")
def test_without_count(self):
trie = Trie()
trie.add_all(['ash', 'ashley', 'ashes', 'ashes'])
expected = ['ash', 'ashley', 'ashes']
self.assertListEqual(expected, trie.search('a*'))
def test_word_add(self):
self.trie = Trie()
self.trie.add('axe')
self.assertIsInstance(self.trie, Trie,
"Object should be of type `lexpy.trie.Trie`")
self.assertTrue('axe' in self.trie, "Word should be in trie")
def test_word_not_int_trie(self):
self.trie = Trie()
self.trie.add_all(['ash', 'ashley'])
self.assertFalse('salary' in self.trie, "Word should not be in trie")
def test_word_in_trie(self):
self.trie = Trie()
self.trie.add_all(['ash', 'ashley'])
self.assertTrue('ash' in self.trie, "Word should be in trie")
def test_word_count_zero(self):
self.trie = Trie()
self.trie.add_all([])
self.assertEqual(0, self.trie.get_word_count(), "Word count not equal")
def test_with_count(self):
trie = Trie()
trie.add_all(['ash', 'ashley', 'ashes', 'ashes'])
expected = [('ash', 1), ('ashley', 1), ('ashes', 2)]
self.assertListEqual(expected, trie.search('a*', with_count=True))
def test_word_count_greater_than_zero(self):
self.trie = Trie()
self.trie.add_all(['ash', 'ashley', 'ashes'])
self.assertGreater(self.trie.get_word_count(), 0,
"The number of words should be greater than 0")
self.assertEqual(3, self.trie.get_word_count(), "Word count not equal")