def _to_paradigm(lexeme):
"""
Extract (stem, paradigm) pair from lexeme (which is a list of
(word_form, tag) tuples). Paradigm is a list of suffixes with
associated tags and prefixes.
"""
forms, tags = list(zip(*lexeme))
prefixes = [''] * len(tags)
if len(forms) == 1:
stem = forms[0]
else:
stem = longest_common_substring(forms)
prefixes = [form[:form.index(stem)] for form in forms]
# only allow prefixes from PARADIGM_PREFIXES
if any(pref not in PARADIGM_PREFIXES for pref in prefixes):
stem = ""
prefixes = [''] * len(tags)
suffixes = (
form[len(pref)+len(stem):]
for form, pref in zip(forms, prefixes)
)
return stem, tuple(zip(suffixes, tags, prefixes))
def _to_paradigm(lexeme, paradigm_prefixes):
"""
Extract (stem, paradigm) pair from lexeme (which is a list of
(word_form, tag) tuples). Paradigm is a list of suffixes with
associated tags and prefixes.
"""
forms, tags = list(zip(*lexeme))
if len(forms) == 1:
stem = forms[0]
prefixes = ['']
else:
stem = longest_common_substring(forms)
prefixes = [form[:form.index(stem)] for form in forms]
# only allow prefixes from PARADIGM_PREFIXES
if any(pref not in paradigm_prefixes for pref in prefixes):
# With right PARADIGM_PREFIXES empty stem is fine;
# os.path.commonprefix doesn't return anything useful
# for prediction.
# stem = os.path.commonprefix(forms)
stem = ""
prefixes = [''] * len(tags)
suffixes = (
form[len(pref)+len(stem):]
for form, pref in zip(forms, prefixes)
)
return stem, tuple(zip(suffixes, tags, prefixes))
def _to_paradigm(lexeme, paradigm_prefixes):
"""
Extract (stem, paradigm) pair from lexeme (which is a list of
(word_form, tag) tuples). Paradigm is a list of suffixes with
associated tags and prefixes.
"""
forms, tags = list(zip(*lexeme))
if len(forms) == 1:
stem = forms[0]
prefixes = ['']
else:
stem = longest_common_substring(forms)
prefixes = [form[:form.index(stem)] for form in forms]
# only allow prefixes from PARADIGM_PREFIXES
if any(pref not in paradigm_prefixes for pref in prefixes):
# With right PARADIGM_PREFIXES empty stem is fine;
# os.path.commonprefix doesn't return anything useful
# for prediction.
# stem = os.path.commonprefix(forms)
stem = ""
prefixes = [''] * len(tags)
suffixes = (form[len(pref) + len(stem):]
for form, pref in zip(forms, prefixes))
return stem, tuple(zip(suffixes, tags, prefixes))
def _to_paradigm(lexeme):
"""
Extract (stem, paradigm) pair from lexeme (which is a list of
(word_form, tag) tuples). Paradigm is a list of suffixes with
associated tags and prefixes.
"""
forms, tags = list(zip(*lexeme))
prefixes = [''] * len(tags)
if len(forms) == 1:
stem = forms[0]
else:
stem = longest_common_substring(forms)
prefixes = [form[:form.index(stem)] for form in forms]
# only allow prefixes from PARADIGM_PREFIXES
if any(pref not in PARADIGM_PREFIXES for pref in prefixes):
stem = ""
prefixes = [''] * len(tags)
suffixes = (
form[len(pref)+len(stem):]
for form, pref in zip(forms, prefixes)
)
return stem, tuple(zip(suffixes, tags, prefixes))
