Added interval functionality for type function of pynput.keyboard.Controller().type

docs/keyboard-usage.rst

@@ -26,6 +26,12 @@ Use ``pynput.keyboard.Controller`` like this::
     # Type 'Hello World' using the shortcut type method
     keyboard.type('Hello World')
 
+    # To add an interval between each key press and release while typing, provide the interval time in seconds like this
+    keyboard.type('Hello World', interval=0.05)
+
+    # To hold each key for n seconds, provide the seconds n as float like this 
+    keyboard.type('Hello World', hold=0.2)
+
 
 Monitoring the keyboard
 -----------------------

lib/pynput/keyboard/_base.py

@@ -27,6 +27,7 @@
 import contextlib
 import enum
 import threading
+import time
 import unicodedata
 
 import six
@@ -473,14 +474,18 @@ def pressed(self, *args):
             for key in reversed(args):
                 self.release(key)
 
-    def type(self, string):
+    def type(self, string, interval=0, hold=0):
         """Types a string.
 
         This method will send all key presses and releases necessary to type
         all characters in the string.
 
         :param str string: The string to type.
 
+        :param float interval: delay between key presses
+
+        :param float hold: seconds that each key will be held down
+
         :raises InvalidCharacterException: if an untypable character is
             encountered
         """
@@ -489,7 +494,9 @@ def type(self, string):
             key = _CONTROL_CODES.get(character, character)
             try:
                 self.press(key)
+                time.sleep(hold)
                 self.release(key)
+                time.sleep(interval)
 
             except (ValueError, self.InvalidKeyException):
                 raise self.InvalidCharacterException(i, character)

tests/keyboard_controller_tests.py

@@ -89,7 +89,7 @@ def assert_input(self, failure_message, expected):
         :param text: The text to type and expect.
         """
         with self.capture() as collect:
-            self.controller.type(expected)
+            self.controller.type(expected, interval = 0, hold = 0)
 
         self.assertIn(expected, collect(), failure_message)