upgrade Command.find() with fuzzywuzzy (one letter problem stayed)

Command.py

@@ -39,13 +39,16 @@ class Command(ABC):
                     return (weight, index)
                 index += 1
         return None #   if not found
+
     def removeKeyword(this, string):
         position = this._getKeyword(string)
         if(position): del this._keywords[ position[0] ][ position[1] ]
+
     def addKeyword(this, weight, string):
         if this._getKeyword(string): return
         if( this._keywords.get(weight) ):   this._keywords[weight].append(string)
         else:                           this._keywords[weight] = [string]
+
     def changeKeyword(this, weight, string):
         this.removeKeyword(string)
         this.addKeyword(weight, string)
@@ -60,6 +63,7 @@ class Command(ABC):
     #   getters
     def getName(this):
         return this._name
+
     def getKeywords(this):
         return this._keywords
 
@@ -67,6 +71,7 @@ class Command(ABC):
     @abstractmethod
     def start(this, string):                #   main method
         pass
+
     @abstractmethod
     def confirm(this):                      #   optional method
         pass
@@ -80,6 +85,10 @@ class Command(ABC):
     def append(obj):
         Command._list.append(obj)
 
+    @staticmethod
+    def ratio(string, word):
+        return ( fuzz.WRatio(string, word) + fuzz.ratio(string, word) ) / 2
+
     @staticmethod
     def find(string):
         string = string.lower()
@@ -89,12 +98,13 @@ class Command(ABC):
             chances[i] = 0
             for weight, words in obj.getKeywords().items():
                 for word in words:
-                    chances[i] += fuzz.partial_ratio(word, string) * weight
-        print(chances)
+                    chances[i] += Command.ratio(string, word) * weight
         if( sum( chances.values() ) ):
             top = max( chances.values() ) / sum( chances.values() ) * 100
         else:
             return list[0]
+        if( max( chances.values() ) < 1000 or top < 80): return list[0]
+        print(chances)
         print(top)
         for i, chance in chances.items():
             if chance == max( chances.values() ):

SmallTalk/__init__.py

@@ -96,7 +96,7 @@ def method():
 
 keywords = {
     10:     ['который час', 'сколько времени'],
-    5:      ['текущее', 'сейчас', 'час', 'время'],
+    5:      ['текущее', 'сейчас', 'время'],
     1:      ['сколько']
 }
 ctime = SmallTalk('Current Time', keywords)