final work on autocomplete

mock/local_test.py

@@ -1,58 +1,32 @@
 import readline
-import os
 
-HISTORY_FILENAME = 'completer.hist'
 
+def completer(text, state):
+    matches = sorted(cmd for cmd in get_history_items() if cmd.startswith(text))
+    if len(matches) > 1:
+        common_prefix = matches[0]
+        for match in matches[1:]:
+            i = 0
+            while i < len(common_prefix) and i < len(match) and common_prefix[i] == match[i]:
+                i += 1
+            common_prefix = common_prefix[:i]
+        if state == 0:
+            readline.insert_text(common_prefix[len(text):])
+            readline.redisplay()
+        return None
+    elif len(matches) == 1:
+        return matches[0] if state == 0 else None
+    else:
+        return None
+
+readline.set_completer(completer)
+readline.parse_and_bind("tab: complete")
 
 def get_history_items():
     return [readline.get_history_item(i) for i in range(1, readline.get_current_history_length() + 1)]
 
-
-class HistoryCompleter:
-
-    def __init__(self):
-        self.matches = []
-        return
-
-    def complete(self, text, state):
-        response = None
-        if state == 0:
-            history_values = get_history_items()
-            if text:
-                self.matches = sorted(h
-                                      for h in history_values
-                                      if h and h.startswith(text))
-            else:
-                self.matches = []
-        try:
-            response = self.matches[state]
-        except IndexError:
-            response = None
-        return response
-
-
-def inputing():
-    if os.path.exists(HISTORY_FILENAME):
-        readline.read_history_file(HISTORY_FILENAME)
-    print(f'Максимальная длина файла истории: {readline.get_history_length()}')
-    print(f'История запуска:{get_history_items()}')
+while True:
     try:
-        while True:
-            line = input('!("stop" to quit) Ввод текста: => ')
-            if line == 'stop':
-                break
-            if line:
-                print(f'Добавление "{line}" в файл истории.')
-    finally:
-        print(f'Конец записи истории: {get_history_items()}')
-        readline.write_history_file(HISTORY_FILENAME)
-
-
-# Регистрация класса 'HistoryCompleter'
-readline.set_completer(HistoryCompleter().complete)
-
-# Регистрация клавиши `tab` для автодополнения
-readline.parse_and_bind('tab: complete')
-
-# Запрос текста
-inputing()
+        line = input('> ')
+    except EOFError:
+        break