[python-chinese] 在程序中使用yield报错，SyntaxError: 'return' with argument inside generator (xlrdT3a.py, line 246)

[黄毅]

用了 yield 就不能用 return

On 8/1/07, 张建轶 <farsoftwind at gmail.com> wrote:
>
> 由于源程序比较长，而且很复杂
> 我简化了一下，如下所示：
>
> #!/usr/bin/python
>
> def ff():
>     for i in range(1,5):
>         print i
>         buffc = []
>         bufbc = []
>         for j in range(1,4):
>             print j
>             buffc.append(u'1')
>             bufbc.append(u'2')
>         print buffc
>         yield buffc
>
> for ss in ff():
>     print ss
>
> 但这个简化程序正确编译通过，但源程序编译时报错，错误信息如下：
> SyntaxError: 'return' with argument inside generator ( xlrdT3a.py, line
> 246)
> 报错的246行的程序只是一句：
> yield bufxf
>
> 请问是怎么回事呢？如何修正？请教
>
>
>
>
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