39                              transform=self.transform)

    39                              transform=self.transform)

    40         return assignment + transform

    40         return assignment + transform

    41 

    41 

    42 

    42 

    43 FUNCTION_EXPRESSION = re.compile('(.+)\((.+)\)')

    43 FUNCTION_EXPRESSION = re.compile('(.+)\((.+)\)')

    45 

    45 

    46 

    46 

    47 def get_value(econtext, arg):

    47 def get_value(econtext, arg):

    48     """Extract argument value from context"""

    48     """Extract argument value from context"""

    49     if arg.startswith('"') or arg.startswith("'"):

    50     if arg.startswith('"') or arg.startswith("'"):

    50         # may be a quoted string...

    51         # may be a quoted string...

    51         return arg[1:-1]

    52         return arg[1:-1]

    52     args = arg.split('.')

    53     args = arg.split('.')

    53     result = econtext.get(args.pop(0))

    54     result = econtext.get(args.pop(0))