def _download_model(self) -> None:
"""Interface with the `stanza` model downloader."""
if not self.interactive:
if not self.silent:
print(
f"CLTK message: Going to download required Stanza models to ``{self.model_path}`` ..."
) # pragma: no cover
stanza.download(lang=self.stanza_code, package=self.treebank)
else:
print( # pragma: no cover
"CLTK message: This part of the CLTK depends upon the Stanza NLP library."
) # pragma: no cover
dl_is_allowed = query_yes_no(
f"CLTK message: Allow download of Stanza models to ``{self.model_path}``?"
) # type: bool
if dl_is_allowed:
stanza.download(lang=self.stanza_code, package=self.treebank)
else:
raise CLTKException(
f"Download of necessary Stanza model declined for '{self.language}'. Unable to continue with Stanza's processing."
)
# if file model still not available after attempted DL, then raise error
if not file_exists(self.model_path):
raise FileNotFoundError(
"Missing required models for ``stanza`` at ``{0}``.".format(
self.model_path
)
)
def _is_model_present(self) -> bool:
"""Checks if the model is already downloaded.
>>> stanza_wrapper = StanzaWrapper(language='grc', stanza_debug_level="INFO")
>>> stanza_wrapper._is_model_present()
True
"""
if file_exists(self.model_path):
return True
return False