Serhiy Storchaka <[email protected]> added the comment:
For efficiency I suggest to initialize the mapping with
dict.fromkeys(range(128), 'x') rather of an empty dict.
It is also possible to use regular expressions:
_trans = re.compile(r'''[^(){}\[]"'\\\n#]+''')
code = _trans.sub('x', code)
code = code.replace('{', '(')
code = code.replace('}', ')')
code = code.replace('[', '(')
code = code.replace(']', '(')
code = code.replace('\nx', '\n')
I didn't check what way is more efficient.
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nosy: +serhiy.storchaka
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<https://bugs.python.org/issue32940>
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