Márcio Faustino wrote: > Does the SafeConfigParser class correctly detects lone percent signs? > For example, shouldn't the string "100%%" be accepted as a valid > value? Executing the code below should only print one error, instead > it prints 2. (I've tested this with version 2.6.1 on Windows XP.) > > It seems the "_badpercent_re" regular expression (an attribute of > SafeConfigParser, with value "%[^%]|%$") is flawed: > - The first alternative "%[^%]" fails with the string "%%_", because > it matches "%_". > - The second alternative "%$" fails with the string "%%", because it > matches "%".
I think you are right. Please file a bug report . > The correct regular expression is "(?<!%)%(?!%)", which passes the > previous tests. IMO this doesn't fix the problem because (1) it allows "%%%" which is also incorrect (2) _interpvar_re has already butchered values like "%%(alpha)s" to "%" Peter -- http://mail.python.org/mailman/listinfo/python-list