Bugfix in FuzzyCompleter.

Author: jonathanslenders

prompt_toolkit/completion/fuzzy_completer.py

@@ -20,9 +20,7 @@ class FuzzyWordCompleter(Completer):
  the others, because they match the regular expression 'o.*a.*r'.
 
  The results are sorted by relevance, which is defined as the start position
- of the match and then the proportion of the word span that is covered. As a
- user, if you want to get leopard, it's better to type 'ld' (first + last
- letter) because this covers 100% of the word.
+ and the length of the match.
 
  See: https://blog.amjith.com/fuzzyfinder-in-10-lines-of-python
 
@@ -61,12 +59,8 @@ def get_completions(self, document, complete_event):
  fuzzy_matches.append(_FuzzyMatch(len(best.group(1)), best.start(), word))
 
  def sort_key(fuzzy_match):
- """ Sort by start position, then by proportion of word that is
- covered. (More coverage is better.) """
- return (
- fuzzy_match.start_pos,
- - float(fuzzy_match.match_length) / len(fuzzy_match.word)
- )
+ " Sort by start position, then by the length of the match. "
+ return fuzzy_match.start_pos, fuzzy_match.match_length
 
  fuzzy_matches = sorted(fuzzy_matches, key=sort_key)