ansisql.py 文件源码

def after_compile(self):
        if self.engine.positional:
            self.positiontup = []
            match = r'%\(([\w_]+)\)s'
            params = re.finditer(match, self.strings[self.statement])
            for p in params:
                self.positiontup.append(p.group(1))
            if self.engine.paramstyle=='qmark':
                self.strings[self.statement] = re.sub(match, '?', self.strings[self.statement])
            elif self.engine.paramstyle=='format':
                self.strings[self.statement] = re.sub(match, '%s', self.strings[self.statement])
            elif self.engine.paramstyle=='numeric':
                i = [0]
                def getnum(x):
                    i[0] += 1
                    return str(i[0])
                self.strings[self.statement] = re.sub(match, getnum, self.strings[self.statement])