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bpo-26806: IDLE should run without docstrings (#14657)

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After fcf1d00, IDLE startup failed with python compiled without docstrings.
This commit is contained in:
Terry Jan Reedy 2019-07-09 14:37:25 -04:00 • committed by GitHub
parent 3a3db970de
commit 6aeb2fe606
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2 changed files with 19 additions and 8 deletions
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19
Lib/idlelib/run.py
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@ -307,7 +307,12 @@ def fix_scaling(root):
font['size'] = round(-0.75*size)
def fixdoc(fun, text):
tem = (fun.__doc__ + '\n\n') if fun.__doc__ is not None else ''
fun.__doc__ = tem + textwrap.fill(textwrap.dedent(text))
RECURSIONLIMIT_DELTA = 30
def install_recursionlimit_wrappers():
"""Install wrappers to always add 30 to the recursion limit."""
# see: bpo-26806
@ -329,19 +334,17 @@ def install_recursionlimit_wrappers():
return setrecursionlimit.__wrapped__(limit + RECURSIONLIMIT_DELTA)
setrecursionlimit.__doc__ += "\n\n" + textwrap.fill(textwrap.dedent(f"""\
This IDLE wrapper adds {RECURSIONLIMIT_DELTA} to prevent possible
uninterruptible loops.
""").strip())
fixdoc(setrecursionlimit, f"""\
This IDLE wrapper adds {RECURSIONLIMIT_DELTA} to prevent possible
uninterruptible loops.""")
@functools.wraps(sys.getrecursionlimit)
def getrecursionlimit():
return getrecursionlimit.__wrapped__() - RECURSIONLIMIT_DELTA
getrecursionlimit.__doc__ += "\n\n" + textwrap.fill(textwrap.dedent(f"""\
This IDLE wrapper subtracts {RECURSIONLIMIT_DELTA} to compensate for
the {RECURSIONLIMIT_DELTA} IDLE adds when setting the limit.
""").strip())
fixdoc(getrecursionlimit, f"""\
This IDLE wrapper subtracts {RECURSIONLIMIT_DELTA} to compensate
for the {RECURSIONLIMIT_DELTA} IDLE adds when setting the limit.""")
# add the delta to the default recursion limit, to compensate
sys.setrecursionlimit(sys.getrecursionlimit() + RECURSIONLIMIT_DELTA)