spaCy/spacy/tests/serialize/test_serialize_tokenizer.py

63 lines
2.3 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import pytest
import re
from spacy.util import get_lang_class
from spacy.tokenizer import Tokenizer
from ..util import make_tempdir, assert_packed_msg_equal
def load_tokenizer(b):
tok = get_lang_class("en")().tokenizer
tok.from_bytes(b)
return tok
def test_serialize_custom_tokenizer(en_vocab, en_tokenizer):
"""Test that custom tokenizer with not all functions defined or empty
properties can be serialized and deserialized correctly (see #2494,
#4991)."""
tokenizer = Tokenizer(en_vocab, suffix_search=en_tokenizer.suffix_search)
tokenizer_bytes = tokenizer.to_bytes()
Tokenizer(en_vocab).from_bytes(tokenizer_bytes)
# test that empty/unset values are set correctly on deserialization
tokenizer = get_lang_class("en")().tokenizer
tokenizer.token_match = re.compile("test").match
assert tokenizer.rules != {}
assert tokenizer.token_match is not None
assert tokenizer.url_match is not None
assert tokenizer.prefix_search is not None
assert tokenizer.infix_finditer is not None
tokenizer.from_bytes(tokenizer_bytes)
assert tokenizer.rules == {}
assert tokenizer.token_match is None
assert tokenizer.url_match is None
assert tokenizer.prefix_search is None
assert tokenizer.infix_finditer is None
tokenizer = Tokenizer(en_vocab, rules={"ABC.": [{"ORTH": "ABC"}, {"ORTH": "."}]})
tokenizer.rules = {}
tokenizer_bytes = tokenizer.to_bytes()
tokenizer_reloaded = Tokenizer(en_vocab).from_bytes(tokenizer_bytes)
assert tokenizer_reloaded.rules == {}
@pytest.mark.parametrize("text", ["I💜you", "theyre", "“hello”"])
def test_serialize_tokenizer_roundtrip_bytes(en_tokenizer, text):
tokenizer = en_tokenizer
new_tokenizer = load_tokenizer(tokenizer.to_bytes())
assert_packed_msg_equal(new_tokenizer.to_bytes(), tokenizer.to_bytes())
assert new_tokenizer.to_bytes() == tokenizer.to_bytes()
doc1 = tokenizer(text)
doc2 = new_tokenizer(text)
assert [token.text for token in doc1] == [token.text for token in doc2]
def test_serialize_tokenizer_roundtrip_disk(en_tokenizer):
tokenizer = en_tokenizer
with make_tempdir() as d:
file_path = d / "tokenizer"
tokenizer.to_disk(file_path)
tokenizer_d = en_tokenizer.from_disk(file_path)
assert tokenizer.to_bytes() == tokenizer_d.to_bytes()