Implement PhraseMatcher.__len__

2017-10-25 12:09:56 +02:00 · 2017-10-25 12:09:56 +02:00 · 9c733a8849
parent 7eebeeaf85
commit 9c733a8849
1 changed files with 7 additions and 1 deletions
--- a/spacy/matcher.pyx
+++ b/spacy/matcher.pyx
@ -471,7 +471,13 @@ cdef class PhraseMatcher:
        self._callbacks = {}

    def __len__(self):
-        raise NotImplementedError
+        """Get the number of rules added to the matcher. Note that this only
+        returns the number of rules (identical with the number of IDs), not the
+        number of individual patterns.
+
+        RETURNS (int): The number of rules.
+        """
+        return len(self.phrase_ids)

    def __contains__(self, key):
        raise NotImplementedError