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qapi: Bury some unused code in class Indentation 

.__int__() has never been used.  Drop it.

.decrease() raises ArithmeticError when asked to decrease indentation
level below zero.  Nothing catches it.  It's a programming error.
Dumb down to assert.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210908045428.2689093-4-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Markus Armbruster 2021-09-08 06:54:26 +02:00
parent 916fca17c7
commit e2ff14a574
1 changed files with 1 additions and 6 deletions
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7
scripts/qapi/common.py
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@ -132,9 +132,6 @@ class Indentation:
def __init__(self, initial: int = 0) -> None:
self._level = initial
def __int__(self) -> int:
return self._level
def __repr__(self) -> str:
return "{}({:d})".format(type(self).__name__, self._level)
@ -148,9 +145,7 @@ def increase(self, amount: int = 4) -> None:
def decrease(self, amount: int = 4) -> None:
"""Decrease the indentation level by ``amount``, default 4."""
if self._level < amount:
raise ArithmeticError(
f"Can't remove {amount:d} spaces from {self!r}")
assert amount <= self._level
self._level -= amount