def compute_surprisals(model: Model, suite):
"""
Compute per-region surprisals for a language model on the given suite.
Args:
model: An LM Zoo ``Model``.
suite_file: A path or open file stream to a suite JSON file, or an
already loaded suite dict
Returns:
An evaluated test suite dict --- a copy of the data from
``suite_file``, now including per-region surprisal data
"""
suite = _load_suite(suite)
image_spec = spec(model)
# Convert to sentences
suite_sentences = get_sentences(suite)
# First compute surprisals
surprisals_df = get_surprisals(model, suite_sentences)
# Track tokens+unks
tokens = tokenize(model, suite_sentences)
unks = unkify(model, suite_sentences)
# Now aggregate over regions and get result df
result = aggregate_surprisals(surprisals_df, tokens, unks, suite,
image_spec)
return result
def test_tokenize_two(registry):
result = Z.tokenize(
registry["GRNN"],
['This is a test sentence', "This is a second test sentence"])
assert len(result) == 2
assert result[0] == "This is a test sentence <eos>".split()
assert result[1] == "This is a second test sentence <eos>".split()
def test_tokenize(registry, runner, any_model, test_file):
result = invoke(runner, ["tokenize", any_model, test_file])
assert result.output.endswith("\n"), "Should have final trailing newline"
output = result.output[:-1]
lines = [line.strip().split(" ") for line in output.split("\n")]
# API as ground truth
with open(test_file) as test_f:
test_text = test_f.read()
API_result = Z.tokenize(registry[any_model], test_text.strip().split("\n"))
assert lines == API_result
def test_checkpoint_mounting(template_model):
"""
We should be able to mount a "checkpoint" with a custom vocabulary in the
LM Zoo template image, and see tokenization output vary accordingly.
"""
dummy_vocab = "This is test".split()
with TemporaryDirectory() as checkpoint_dir:
with (Path(checkpoint_dir) / "vocab.txt").open("w") as vocab_f:
vocab_f.write("\n".join(dummy_vocab))
custom_model = template_model.with_checkpoint(checkpoint_dir)
tokenized = Z.tokenize(custom_model, ["This is a test sentence"])
assert len(tokenized) == 1
assert tokenized[0] == "This is <unk> test <unk>".split()
def tokenize(state, model, in_file):
"""
Tokenize natural-language text according to a model's preprocessing
standards.
FILE should be a raw natural language text file with one sentence per line.
This command returns a text file with one tokenized sentence per line, with
tokens separated by single spaces. For each sentence, there is a one-to-one
mapping between the tokens output by this command and the tokens used by
the ``get-surprisals`` command.
"""
model = _prepare_model(model, state)
sentences = read_lines(in_file)
sentences = Z.tokenize(model, sentences, backend=state.requested_backend)
print("\n".join(" ".join(sentence) for sentence in sentences))
def test_tokenize_single(registry):
result = Z.tokenize(registry["GRNN"], ['This is a test sentence'])
assert len(result) == 1
assert result[0] == "This is a test sentence <eos>".split()
def test_singularity(registry, singularity_local_model):
assert Z.tokenize(registry["singularity://%s" % singularity_local_model],
["This is a test sentence"]) \
== ["This is a test sentence".split()]
