tmux: emulate human typing

patch2vimedit/tmux.py

@@ -3,6 +3,7 @@ import multiprocessing
 import sys
 import random
 import libtmux
+import time
 
 
 class TmuxSession:
@@ -13,6 +14,7 @@ class TmuxSession:
     def __init__(self, session):
         self.session = session
         self.session_id = session.id
+        self.keyboard_speed = 0.01
 
     @classmethod
     def create_detached(cls, name=None):
@@ -49,11 +51,34 @@ class TmuxSession:
         """ Send keys to the tmux process. See `man tmux` and `tmux send-keys` for
         documentation """
         for arg in args:
+            if arg.endswith(";"):
+                # Weirdly, `tmux send-keys 'blah;'` doesn't send the semicolon; and so
+                # does `tmux send-keys ';'`. We must escape it with a backslash.
+                arg = arg[:-1] + r"\;"
             self.session.attached_pane.send_keys(
                 arg, suppress_history=False, enter=False
             )
 
+    def type_delay(self):
+        """ Introduce a small delay, to emulate a human typing """
+        time.sleep(self.keyboard_speed + random.gauss(0, self.keyboard_speed * 0.1))
 
-#        subprocess.run(
-#            ["tmux", "send-keys", "-t", self.session.id] + list(args), check=True
-#        )
+    def type_keys(self, *args):
+        """ Same as `send_keys`, but emulates a human typing with pauses. This is
+        **unsafe** for special keys, although the common ones are preserved. """
+
+        if self.keyboard_speed == 0:
+            return self.send_keys(*args)
+
+        for arg in args:
+            if (
+                arg in ["enter", "escape"]
+                or arg.startswith("C-")
+                or arg.startswith("M-")
+            ):
+                self.send_keys(arg)
+                self.type_delay()
+            else:
+                for char in arg:
+                    self.send_keys(char)
+                    self.type_delay()