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bpo-35168: Make shlex.punctuation_chars read-only (#11631)

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* bpo-35168: Documentation about shlex.punctuation_chars now states that it should be set in __init__.py

* bpo-35168: Convert shlex.punctuation_chars to read-only property

* Add NEWS.d entry
This commit is contained in:
Alex 2019-09-11 14:04:04 +03:00 • committed by Vinay Sajip
parent 6a9fd66f6e
commit 972cf5c06a
4 changed files with 18 additions and 4 deletions
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6
Lib/shlex.py
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@ -55,7 +55,7 @@ class shlex:
punctuation_chars = ''
elif punctuation_chars is True:
punctuation_chars = '();<>|&'
self.punctuation_chars = punctuation_chars
self._punctuation_chars = punctuation_chars
if punctuation_chars:
# _pushback_chars is a push back queue used by lookahead logic
self._pushback_chars = deque()
@ -65,6 +65,10 @@ class shlex:
t = self.wordchars.maketrans(dict.fromkeys(punctuation_chars))
self.wordchars = self.wordchars.translate(t)
@property
def punctuation_chars(self):
return self._punctuation_chars
def push_token(self, tok):
"Push a token onto the stack popped by the get_token method"
if self.debug >= 1: