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刚开始学习python,在运行web.py首页测试代码的时候出现异常。
代码如下:
import web
urls = (
'/(.*)', 'hello'
)
app = web.application(urls, globals())
class hello:
def GET(self, name):
if not name:
name = 'World'
return 'Hello, ' + name + '!'
if __name__ == "__main__":
app.run()
出现的异常如下:
Traceback (most recent call last):
File "C:\Users\HHHHH\AppData\Local\Programs\Python\Python37-32\lib\site-packages\web\utils.py", line 526, in take
yield next(seq)
StopIteration
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "D:\workspace\HelloPython\Helloworld.py", line 7, in <module>
app = web.application(urls, globals())
File "C:\Users\HHHHH\AppData\Local\Programs\Python\Python37-32\lib\site-packages\web\application.py", line 62, in __init__
self.init_mapping(mapping)
File "C:\Users\HHHHH\AppData\Local\Programs\Python\Python37-32\lib\site-packages\web\application.py", line 130, in init_mapping
self.mapping = list(utils.group(mapping, 2))
File "C:\Users\HHHHH\AppData\Local\Programs\Python\Python37-32\lib\site-packages\web\utils.py", line 531, in group
x = list(take(seq, size))
RuntimeError: generator raised StopIteration
根据异常提示以找到相应的代码(...utils.py", line 531, in group),如下:
此处调用524行take方法,根据官网资料修改如下(注意缩进):
修改完成后重启,成功:
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