Fix terminal size in tox commands (tox-dev#2999)

ziima · Oct 13, 2023 · 8d56177 · 8d56177
1 parent 9ebcfef
commit 8d56177
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diff --git a/docs/changelog/2999.bugfix.rst b/docs/changelog/2999.bugfix.rst
@@ -0,0 +1 @@
+Fix terminal size of tox subcommands (fixes ipython, ipdb, prompt_toolkit, ...).
diff --git a/src/tox/execute/local_sub_process/__init__.py b/src/tox/execute/local_sub_process/__init__.py
@@ -314,7 +314,7 @@ def _pty(key: str) -> tuple[int, int] | None:
     # adjust sub-process terminal size
     columns, lines = shutil.get_terminal_size(fallback=(-1, -1))
     if columns != -1 and lines != -1:
-        size = struct.pack("HHHH", columns, lines, 0, 0)
+        size = struct.pack("HHHH", lines, columns, 0, 0)
         fcntl.ioctl(child, termios.TIOCSWINSZ, size)
 
     return main, child