work on autocomplete

mock/local_test.py

@@ -1,14 +1,58 @@
-from contextlib import redirect_stdout
-import io
-import string
+import readline
+import os
+
+HISTORY_FILENAME = 'completer.hist'
 
 
-while True:
-    with redirect_stdout(io.StringIO()) as f:
-        a = input()
-        print(a)
-        res = f.getvalue()
-    res = ''.join([x for x in res if x in string.printable])
-    print('-'*len(res))
-    print(res.strip('\n'))
-    print('-'*len(res))
+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()}')
+    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()