Allow --global for --cer in CLI

jiwer/cli.py

@@ -96,19 +96,28 @@ def cli(
 
  if not global_alignment and len(reference_sentences) != len(hypothesis_sentences):
  raise ValueError(
- f"Number of sentences does not match. "
- f"{reference_file} contains {len(reference_sentences)} lines."
- f"{hypothesis_file} contains {len(hypothesis_sentences)} lines."
+ f"Number of reference sentences "
+ f"({len(reference_sentences)} in '{reference_file}') "
+ f"and hypothesis sentences "
+ f"({len(hypothesis_sentences)} in '{hypothesis_file}') "
+ f"do not match! "
+ f"Use the `--global` flag to compute the measures over a global alignment "
+ f"of the reference and hypothesis sentences."
  )
 
- if global_alignment and compute_cer:
- raise ValueError("--global and --cer are mutually exclusive.")
-
  if compute_cer:
- out = jiwer.process_characters(
- reference_sentences,
- hypothesis_sentences,
- )
+ if global_alignment:
+ out = jiwer.process_characters(
+ reference_sentences,
+ hypothesis_sentences,
+ reference_transform=jiwer.cer_contiguous,
+ hypothesis_transform=jiwer.cer_contiguous,
+ )
+ else:
+ out = jiwer.process_characters(
+ reference_sentences,
+ hypothesis_sentences,
+ )
  else:
  if global_alignment:
  out = jiwer.process_words(
@@ -121,7 +130,7 @@ def cli(
  out = jiwer.process_words(reference_sentences, hypothesis_sentences)
 
  if show_alignment:
- print(jiwer.visualize_alignment(out, show_measures=True))
+ print(jiwer.visualize_alignment(out, show_measures=True), end="")
  else:
  if compute_cer:
  print(out.cer)

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "jiwer"
-version = "3.0.3"
+version = "3.0.4"
 description = "Evaluate your speech-to-text system with similarity measures such as word error rate (WER)"
 authors = ["Nik Vaessen <nikvaes@gmail.com>"]
 readme = "README.md"