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gh-127349: Add check for correct resizing in REPL (#127387)

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donBarbos 2025-01-30 19:34:09 +00:00 • committed by GitHub
parent 4ca9fc08f8
commit 510fefdc62
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3 changed files with 13 additions and 3 deletions
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Lib/_pyrepl/reader.py
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@ -587,10 +587,11 @@ class Reader:
def pos2xy(self) -> tuple[int, int]:
"""Return the x, y coordinates of position 'pos'."""
# this *is* incomprehensible, yes.
y = 0
p, y = 0, 0
l2: list[int] = []
pos = self.pos
assert 0 <= pos <= len(self.buffer)
if pos == len(self.buffer):
if pos == len(self.buffer) and len(self.screeninfo) > 0:
y = len(self.screeninfo) - 1
p, l2 = self.screeninfo[y]
return p + sum(l2) + l2.count(0), y