test_parser.py 文件源码

def test_dict_comprehensions(self):
        self.check_expr('{x:x for x in seq}')
        self.check_expr('{x**2:x[3] for x in seq if condition(x)}')
        self.check_expr('{x:x for x in seq1 for y in seq2 if condition(x, y)}')


#
#  Second, we take *invalid* trees and make sure we get ParserError
#  rejections for them.
#