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[3.13] gh-123177: Deactivate line wrap for Apple Terminal via scape codes in the new REPL (GH-123267) #123322

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Aug 25, 2024
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[3.13] gh-123177: Deactivate line wrap for Apple Terminal via scape codes in the new REPL (GH-123267) #123322

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8 changes: 8 additions & 0 deletions Lib/_pyrepl/unix_console.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
import struct
import termios
import time
import platform
from fcntl import ioctl

from . import curses
Expand Down Expand Up @@ -334,6 +335,10 @@ def prepare(self):
raw.cc[termios.VTIME] = 0
tcsetattr(self.input_fd, termios.TCSADRAIN, raw)

# In macOS terminal we need to deactivate line wrap via ANSI escape code
if platform.system() == "Darwin" and os.getenv("TERM_PROGRAM") == "Apple_Terminal":
os.write(self.output_fd, b"\033[?7l")

self.screen = []
self.height, self.width = self.getheightwidth()

Expand Down Expand Up @@ -362,6 +367,9 @@ def restore(self):
self.flushoutput()
tcsetattr(self.input_fd, termios.TCSADRAIN, self.__svtermstate)

if platform.system() == "Darwin" and os.getenv("TERM_PROGRAM") == "Apple_Terminal":
os.write(self.output_fd, b"\033[?7h")

if hasattr(self, "old_sigwinch"):
signal.signal(signal.SIGWINCH, self.old_sigwinch)
del self.old_sigwinch
Expand Down
2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Core and Builtins/2024-08-23-15-59-54.gh-issue-123177.OLcaC5.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Deactivate line wrap in the Apple Terminal via a ANSI escape code. Patch by
Pablo Galindo
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