¡@
python Programming Glossary: expopSafe way to parse user-supplied mathematical formula in Python http://stackoverflow.com/questions/11951701/safe-way-to-parse-user-supplied-mathematical-formula-in-python 0 ' ' self.exprStack.append 'unary ' def __init__ self expop '^' multop ' ' ' ' addop ' ' ' ' integer ' ' ' ' '0'..'9' atom.. atom PI E real fn ' ' expr ' ' ' ' expr ' ' factor atom expop factor term factor multop factor expr term addop term point.. pyp.Literal .suppress addop plus minus multop mult div expop pyp.Literal ^ pi pyp.CaselessLiteral PI expr pyp.Forward atom..
Evaluating a mathematical expression in a string http://stackoverflow.com/questions/2371436/evaluating-a-mathematical-expression-in-a-string 0 ' ' self.exprStack.append 'unary ' def __init__ self expop '^' multop ' ' ' ' addop ' ' ' ' integer ' ' ' ' '0'..'9' atom.. atom PI E real fn ' ' expr ' ' ' ' expr ' ' factor atom expop factor term factor multop factor expr term addop term point.. rpar Literal .suppress addop plus minus multop mult div expop Literal ^ pi CaselessLiteral PI expr Forward atom Optional oneOf..
|