Merge eb52ddb into 9a792e1

notanumber · Jul 8, 2022 · 45e696b · 45e696b
2 parents 9a792e1 + eb52ddb
commit 45e696b
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diff --git a/README.rst b/README.rst
@@ -92,6 +92,8 @@ The backend has the following optional settings:
   See `here <http://xapian.org/docs/apidoc/html/classXapian_1_1QueryParser.html#ac7dc3b55b6083bd3ff98fc8b2726c8fd>`__ for
   more information about the different strategies.
 
+- ``XAPIAN_NGRAM_MIN_LENGTH``, ``XAPIAN_NGRAM_MAX_LENGTH``: options used to configure custom ngram (phrases) length.
+
 - ``HAYSTACK_XAPIAN_USE_LOCKFILE``: Use a lockfile to prevent database locking errors when running management commands with multiple workers.
   Defaults to `True`.
 

diff --git a/xapian_backend.py b/xapian_backend.py
@@ -19,8 +19,8 @@
 from haystack.models import SearchResult
 from haystack.utils import get_identifier, get_model_ct
 
-NGRAM_MIN_LENGTH = 2
-NGRAM_MAX_LENGTH = 15
+NGRAM_MIN_LENGTH = getattr(settings, 'XAPIAN_NGRAM_MIN_LENGTH', 2)
+NGRAM_MAX_LENGTH = getattr(settings, 'XAPIAN_NGRAM_MAX_LENGTH', 15)
 
 try:
     import xapian