drmofu / bignews Goto Github PK
View Code? Open in Web Editor NEW大新闻系统,提供实时热点新闻
大新闻系统,提供实时热点新闻
点击任意新闻分类都显示此问题,已经添加了新闻,数据库中也显示有新闻。
`
jinja2.exceptions.UndefinedError: list object has no element 0
Traceback (most recent call last)
File "/home/keyes/.local/lib/python3.6/site-packages/flask/app.py", line 2309, in __call__
return self.wsgi_app(environ, start_response)
File "/home/keyes/.local/lib/python3.6/site-packages/flask/app.py", line 2295, in wsgi_app
response = self.handle_exception(e)
File "/home/keyes/.local/lib/python3.6/site-packages/flask/app.py", line 1741, in handle_exception
reraise(exc_type, exc_value, tb)
File "/home/keyes/.local/lib/python3.6/site-packages/flask/_compat.py", line 35, in reraise
raise value
File "/home/keyes/.local/lib/python3.6/site-packages/flask/app.py", line 2292, in wsgi_app
response = self.full_dispatch_request()
File "/home/keyes/.local/lib/python3.6/site-packages/flask/app.py", line 1815, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/keyes/.local/lib/python3.6/site-packages/flask/app.py", line 1718, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/keyes/.local/lib/python3.6/site-packages/flask/_compat.py", line 35, in reraise
raise value
File "/home/keyes/.local/lib/python3.6/site-packages/flask/app.py", line 1813, in full_dispatch_request
rv = self.dispatch_request()
File "/home/keyes/.local/lib/python3.6/site-packages/flask/app.py", line 1799, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/home/keyes/Desktop/BigNews-1/index.py", line 65, in catalogue
return render_template('catalogue.html',**content)
File "/home/keyes/.local/lib/python3.6/site-packages/flask/templating.py", line 135, in render_template
context, ctx.app)
File "/home/keyes/.local/lib/python3.6/site-packages/flask/templating.py", line 117, in _render
rv = template.render(context)
File "/home/keyes/.local/lib/python3.6/site-packages/jinja2/asyncsupport.py", line 76, in render
return original_render(self, *args, **kwargs)
File "/home/keyes/.local/lib/python3.6/site-packages/jinja2/environment.py", line 1008, in render
return self.environment.handle_exception(exc_info, True)
File "/home/keyes/.local/lib/python3.6/site-packages/jinja2/environment.py", line 780, in handle_exception
reraise(exc_type, exc_value, tb)
File "/home/keyes/.local/lib/python3.6/site-packages/jinja2/_compat.py", line 37, in reraise
raise value.with_traceback(tb)
File "/home/keyes/Desktop/BigNews-1/templates/catalogue.html", line 1, in top-level template code
{% extends 'base.html' %}
File "/home/keyes/Desktop/BigNews-1/templates/base.html", line 74, in top-level template code
{% block main %}{% endblock %}
File "/home/keyes/Desktop/BigNews-1/templates/catalogue.html", line 27, in block "main"
<a href="{{url_for('newsPage',newsId=newss[0].pid)}}">
File "/home/keyes/.local/lib/python3.6/site-packages/jinja2/environment.py", line 430, in getattr
return getattr(obj, attribute)
jinja2.exceptions.UndefinedError: list object has no element 0
`
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