def whoosh_stemmer_func(lang="en"):
"""
get stemmer function
e.g., whoosh_stemmer_fun(term)
"""
from whoosh.lang import stemmer_for_language
stemfn = stemmer_for_language(lang)
return stemfn
def clear(self):
if self.lang:
from whoosh.lang import stemmer_for_language
stemfn = stemmer_for_language(self.lang)
else:
stemfn = self.stemfn
if isinstance(self.cachesize, integer_types) and self.cachesize != 0:
if self.cachesize < 0:
self._stem = unbound_cache(stemfn)
elif self.cachesize > 1:
self._stem = lfu_cache(self.cachesize)(stemfn)
else:
self._stem = stemfn
def clear(self):
if self.lang:
from whoosh.lang import stemmer_for_language
stemfn = stemmer_for_language(self.lang)
else:
stemfn = self.stemfn
if isinstance(self.cachesize, integer_types) and self.cachesize != 0:
if self.cachesize < 0:
self._stem = unbound_cache(stemfn)
elif self.cachesize > 1:
self._stem = lfu_cache(self.cachesize)(stemfn)
else:
self._stem = stemfn
