Add PROMPT_TOOLKIT_NO_CPR=1 environment variable to disable CPR requests

See #886 (comment).
prompt-toolkit · May 14, 2019 · 74ef692 · 74ef692
1 parent 1cd47b1
commit 74ef692
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/prompt_toolkit/input/vt100.py b/prompt_toolkit/input/vt100.py
@@ -69,6 +69,8 @@ def __init__(self, stdin):
     def responds_to_cpr(self):
         # When the input is a tty, we assume that CPR is supported.
         # It's not when the input is piped from Pexpect.
+        if os.environ.get('PROMPT_TOOLKIT_NO_CPR', '') == '1':
+            return False
         return self.stdin.isatty()
 
     def attach(self, input_ready_callback):