Re: Unhelpful template traceback

2012-09-13 Thread David Barnett 
For posterity, I think the link should have been 
https://code.djangoproject.com/ticket/11461.

David

On Monday, January 4, 2010 11:14:24 AM UTC-8, Margie Roginski wrote:
>
>
> I had also noticed that errors from templates were quite hard to
> debug.  Some time ago I saw this thread on on this group:
>
>
> http://groups.google.com/group/django-users/browse_thread/thread/ee29c542dcc0dc95/aaa3f89a2a77fa3f?lnk=gst=template_debug#aaa3f89a2a77fa3f
>
> I applied the very simple patch, which is listed in
> http://code.djangoproject.com/ticket/11451
>
> (Here's my own notes on what the patch is)
> File: /site-packages/django/template/debug.py
>
> # raise wrapped # remove this line, add next line, see ticket
> 11451
>  raise wrapped, None, wrapped.exc_info[2]
>
> After applying this patch I found the the traceback errors made much
> more sense.  The tracebacks are complete now and point me to a line
> that is meaningful.
>
> I believe this is some sort of issue only with python 2.6, so if you
> are not on 2.6, it is probably not a solution for you, but if you are
> on 2.6, give it a try.
>
> Margie
>
>
> On Jan 4, 9:08 am, Thomas Steinacher  wrote:
> > The actual error is not my point. I know that it's somewhere in a
> > reverse/url method, but there is no way I can test it. The point is
> > that there is no helpful template traceback in the deployment error e-
> > mails. Maybe I should direct this to django-developers instead or file
> > a ticket?
> >
> > On Jan 4, 6:05 pm, Victor Loureiro Lima 
> > wrote:
> >
> > > You are probably calling {{ model.property.url }} or {{
> > > model.get_absolute_url }} on some property/model (either FileField or
> > > ImageField in case of property) of some model of yours that doesnt 
> know how
> > > to reverse back to its URL, so the template gives an error because it 
> doesnt
> > > know how to render its own value. You should check if the models is 
> correct
> > > and if its possible to access it thru the regex of URL.
> >
> > >  Maybe if you iterate thru all objects trying to get_absolute_url them 
> you
> > > could reproduce some sort of error.
> >
> > > That would be my guess =)
> >
> > > Victor Lima
> >
> > > 2010/1/4 Thomas Steinacher 
> >
> > > > Hey guys,
> >
> > > > I sometimes get errors which occur rarely, so it is very difficult to
> > > > reproduce them in a development environment. The traceback always
> > > > looks similar to the traceback attached below (which is just an
> > > > example).
> >
> > > > My question: How can I make the Django error mails show the template
> > > > file name and line number where the error occurred? It is really
> > > > annoying as I currently see no way to debug this type of errors other
> > > > than guessing, which is very difficult, especially when templates are
> > > > very complex.
> >
> > > > Thanks,
> >
> > > > Thomas
> >
> > > > File "/home/mysite/django-mysite3/django/template/loader.py", line
> > > > 173, in render_to_string
> > > >  return t.render(context_instance)
> >
> > > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > > 184, in render
> > > >  return self._render(context)
> >
> > > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > > 178, in _render
> > > >  return self.nodelist.render(context)
> >
> > > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > > 787, in render
> > > >  bits.append(self.render_node(node, context))
> >
> > > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > > 800, in render_node
> > > >  return node.render(context)
> >
> > > > File "/home/mysite/django-mysite3/django/template/defaulttags.py",
> > > > line 384, in render
> > > >  raise e
> >
> > > > NoReverseMatch: Reverse for 'view_user_pictures' with arguments '()'
> > > > and keyword arguments '{'username': ''}' not found.
> >
> > > > --
> >
> > > > You received this message because you are subscribed to the Google 
> Groups
> > > > "Django users" group.
> > > > To post to this group, send email to 
> > > > django...@googlegroups.com
> .
> > > > To unsubscribe from this group, send email to
> > > > django-users...@googlegroups.com 
> > > >  groups.com>
> > > > .
> > > > For more options, visit this group at
> > > >http://groups.google.com/group/django-users?hl=en.
>
>

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Re: Unhelpful template traceback

2010-01-04 Thread Margie Roginski 

I had also noticed that errors from templates were quite hard to
debug.  Some time ago I saw this thread on on this group:

http://groups.google.com/group/django-users/browse_thread/thread/ee29c542dcc0dc95/aaa3f89a2a77fa3f?lnk=gst=template_debug#aaa3f89a2a77fa3f

I applied the very simple patch, which is listed in
http://code.djangoproject.com/ticket/11451

(Here's my own notes on what the patch is)
File: /site-packages/django/template/debug.py

# raise wrapped # remove this line, add next line, see ticket
11451
 raise wrapped, None, wrapped.exc_info[2]

After applying this patch I found the the traceback errors made much
more sense.  The tracebacks are complete now and point me to a line
that is meaningful.

I believe this is some sort of issue only with python 2.6, so if you
are not on 2.6, it is probably not a solution for you, but if you are
on 2.6, give it a try.

Margie




On Jan 4, 9:08 am, Thomas Steinacher  wrote:
> The actual error is not my point. I know that it's somewhere in a
> reverse/url method, but there is no way I can test it. The point is
> that there is no helpful template traceback in the deployment error e-
> mails. Maybe I should direct this to django-developers instead or file
> a ticket?
>
> On Jan 4, 6:05 pm, Victor Loureiro Lima 
> wrote:
>
> > You are probably calling {{ model.property.url }} or {{
> > model.get_absolute_url }} on some property/model (either FileField or
> > ImageField in case of property) of some model of yours that doesnt know how
> > to reverse back to its URL, so the template gives an error because it doesnt
> > know how to render its own value. You should check if the models is correct
> > and if its possible to access it thru the regex of URL.
>
> >  Maybe if you iterate thru all objects trying to get_absolute_url them you
> > could reproduce some sort of error.
>
> > That would be my guess =)
>
> > Victor Lima
>
> > 2010/1/4 Thomas Steinacher 
>
> > > Hey guys,
>
> > > I sometimes get errors which occur rarely, so it is very difficult to
> > > reproduce them in a development environment. The traceback always
> > > looks similar to the traceback attached below (which is just an
> > > example).
>
> > > My question: How can I make the Django error mails show the template
> > > file name and line number where the error occurred? It is really
> > > annoying as I currently see no way to debug this type of errors other
> > > than guessing, which is very difficult, especially when templates are
> > > very complex.
>
> > > Thanks,
>
> > > Thomas
>
> > > File "/home/mysite/django-mysite3/django/template/loader.py", line
> > > 173, in render_to_string
> > >  return t.render(context_instance)
>
> > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > 184, in render
> > >  return self._render(context)
>
> > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > 178, in _render
> > >  return self.nodelist.render(context)
>
> > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > 787, in render
> > >  bits.append(self.render_node(node, context))
>
> > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > 800, in render_node
> > >  return node.render(context)
>
> > > File "/home/mysite/django-mysite3/django/template/defaulttags.py",
> > > line 384, in render
> > >  raise e
>
> > > NoReverseMatch: Reverse for 'view_user_pictures' with arguments '()'
> > > and keyword arguments '{'username': ''}' not found.
>
> > > --
>
> > > You received this message because you are subscribed to the Google Groups
> > > "Django users" group.
> > > To post to this group, send email to django-us...@googlegroups.com.
> > > To unsubscribe from this group, send email to
> > > django-users+unsubscr...@googlegroups.com > >  groups.com>
> > > .
> > > For more options, visit this group at
> > >http://groups.google.com/group/django-users?hl=en.

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Re: Unhelpful template traceback

2010-01-04 Thread Victor Loureiro Lima 
Yes, maybe thats more like the case.

Victor Lima

2010/1/4 Thomas Steinacher 

> The actual error is not my point. I know that it's somewhere in a
> reverse/url method, but there is no way I can test it. The point is
> that there is no helpful template traceback in the deployment error e-
> mails. Maybe I should direct this to django-developers instead or file
> a ticket?
>
> On Jan 4, 6:05 pm, Victor Loureiro Lima 
> wrote:
> > You are probably calling {{ model.property.url }} or {{
> > model.get_absolute_url }} on some property/model (either FileField or
> > ImageField in case of property) of some model of yours that doesnt know
> how
> > to reverse back to its URL, so the template gives an error because it
> doesnt
> > know how to render its own value. You should check if the models is
> correct
> > and if its possible to access it thru the regex of URL.
> >
> >  Maybe if you iterate thru all objects trying to get_absolute_url them
> you
> > could reproduce some sort of error.
> >
> > That would be my guess =)
> >
> > Victor Lima
> >
> > 2010/1/4 Thomas Steinacher 
> >
> >
> >
> > > Hey guys,
> >
> > > I sometimes get errors which occur rarely, so it is very difficult to
> > > reproduce them in a development environment. The traceback always
> > > looks similar to the traceback attached below (which is just an
> > > example).
> >
> > > My question: How can I make the Django error mails show the template
> > > file name and line number where the error occurred? It is really
> > > annoying as I currently see no way to debug this type of errors other
> > > than guessing, which is very difficult, especially when templates are
> > > very complex.
> >
> > > Thanks,
> >
> > > Thomas
> >
> > > File "/home/mysite/django-mysite3/django/template/loader.py", line
> > > 173, in render_to_string
> > >  return t.render(context_instance)
> >
> > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > 184, in render
> > >  return self._render(context)
> >
> > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > 178, in _render
> > >  return self.nodelist.render(context)
> >
> > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > 787, in render
> > >  bits.append(self.render_node(node, context))
> >
> > > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > > 800, in render_node
> > >  return node.render(context)
> >
> > > File "/home/mysite/django-mysite3/django/template/defaulttags.py",
> > > line 384, in render
> > >  raise e
> >
> > > NoReverseMatch: Reverse for 'view_user_pictures' with arguments '()'
> > > and keyword arguments '{'username': ''}' not found.
> >
> > > --
> >
> > > You received this message because you are subscribed to the Google
> Groups
> > > "Django users" group.
> > > To post to this group, send email to django-us...@googlegroups.com.
> > > To unsubscribe from this group, send email to
> > > django-users+unsubscr...@googlegroups.com
> 
> > > .
> > > For more options, visit this group at
> > >http://groups.google.com/group/django-users?hl=en.
>
> --
>
> You received this message because you are subscribed to the Google Groups
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> .
> For more options, visit this group at
> http://groups.google.com/group/django-users?hl=en.
>
>
>

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Re: Unhelpful template traceback

2010-01-04 Thread Thomas Steinacher 
The actual error is not my point. I know that it's somewhere in a
reverse/url method, but there is no way I can test it. The point is
that there is no helpful template traceback in the deployment error e-
mails. Maybe I should direct this to django-developers instead or file
a ticket?

On Jan 4, 6:05 pm, Victor Loureiro Lima 
wrote:
> You are probably calling {{ model.property.url }} or {{
> model.get_absolute_url }} on some property/model (either FileField or
> ImageField in case of property) of some model of yours that doesnt know how
> to reverse back to its URL, so the template gives an error because it doesnt
> know how to render its own value. You should check if the models is correct
> and if its possible to access it thru the regex of URL.
>
>  Maybe if you iterate thru all objects trying to get_absolute_url them you
> could reproduce some sort of error.
>
> That would be my guess =)
>
> Victor Lima
>
> 2010/1/4 Thomas Steinacher 
>
>
>
> > Hey guys,
>
> > I sometimes get errors which occur rarely, so it is very difficult to
> > reproduce them in a development environment. The traceback always
> > looks similar to the traceback attached below (which is just an
> > example).
>
> > My question: How can I make the Django error mails show the template
> > file name and line number where the error occurred? It is really
> > annoying as I currently see no way to debug this type of errors other
> > than guessing, which is very difficult, especially when templates are
> > very complex.
>
> > Thanks,
>
> > Thomas
>
> > File "/home/mysite/django-mysite3/django/template/loader.py", line
> > 173, in render_to_string
> >  return t.render(context_instance)
>
> > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > 184, in render
> >  return self._render(context)
>
> > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > 178, in _render
> >  return self.nodelist.render(context)
>
> > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > 787, in render
> >  bits.append(self.render_node(node, context))
>
> > File "/home/mysite/django-mysite3/django/template/__init__.py", line
> > 800, in render_node
> >  return node.render(context)
>
> > File "/home/mysite/django-mysite3/django/template/defaulttags.py",
> > line 384, in render
> >  raise e
>
> > NoReverseMatch: Reverse for 'view_user_pictures' with arguments '()'
> > and keyword arguments '{'username': ''}' not found.
>
> > --
>
> > You received this message because you are subscribed to the Google Groups
> > "Django users" group.
> > To post to this group, send email to django-us...@googlegroups.com.
> > To unsubscribe from this group, send email to
> > django-users+unsubscr...@googlegroups.com > groups.com>
> > .
> > For more options, visit this group at
> >http://groups.google.com/group/django-users?hl=en.

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Re: Unhelpful template traceback

2010-01-04 Thread Victor Loureiro Lima 
You are probably calling {{ model.property.url }} or {{
model.get_absolute_url }} on some property/model (either FileField or
ImageField in case of property) of some model of yours that doesnt know how
to reverse back to its URL, so the template gives an error because it doesnt
know how to render its own value. You should check if the models is correct
and if its possible to access it thru the regex of URL.

 Maybe if you iterate thru all objects trying to get_absolute_url them you
could reproduce some sort of error.

That would be my guess =)

Victor Lima

2010/1/4 Thomas Steinacher 

> Hey guys,
>
> I sometimes get errors which occur rarely, so it is very difficult to
> reproduce them in a development environment. The traceback always
> looks similar to the traceback attached below (which is just an
> example).
>
> My question: How can I make the Django error mails show the template
> file name and line number where the error occurred? It is really
> annoying as I currently see no way to debug this type of errors other
> than guessing, which is very difficult, especially when templates are
> very complex.
>
> Thanks,
>
> Thomas
>
>
>
> File "/home/mysite/django-mysite3/django/template/loader.py", line
> 173, in render_to_string
>  return t.render(context_instance)
>
> File "/home/mysite/django-mysite3/django/template/__init__.py", line
> 184, in render
>  return self._render(context)
>
> File "/home/mysite/django-mysite3/django/template/__init__.py", line
> 178, in _render
>  return self.nodelist.render(context)
>
> File "/home/mysite/django-mysite3/django/template/__init__.py", line
> 787, in render
>  bits.append(self.render_node(node, context))
>
> File "/home/mysite/django-mysite3/django/template/__init__.py", line
> 800, in render_node
>  return node.render(context)
>
> File "/home/mysite/django-mysite3/django/template/defaulttags.py",
> line 384, in render
>  raise e
>
> NoReverseMatch: Reverse for 'view_user_pictures' with arguments '()'
> and keyword arguments '{'username': ''}' not found.
>
> --
>
> You received this message because you are subscribed to the Google Groups
> "Django users" group.
> To post to this group, send email to django-us...@googlegroups.com.
> To unsubscribe from this group, send email to
> django-users+unsubscr...@googlegroups.com
> .
> For more options, visit this group at
> http://groups.google.com/group/django-users?hl=en.
>
>
>

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Unhelpful template traceback

2010-01-04 Thread Thomas Steinacher 
Hey guys,

I sometimes get errors which occur rarely, so it is very difficult to
reproduce them in a development environment. The traceback always
looks similar to the traceback attached below (which is just an
example).

My question: How can I make the Django error mails show the template
file name and line number where the error occurred? It is really
annoying as I currently see no way to debug this type of errors other
than guessing, which is very difficult, especially when templates are
very complex.

Thanks,

Thomas



File "/home/mysite/django-mysite3/django/template/loader.py", line
173, in render_to_string
  return t.render(context_instance)

File "/home/mysite/django-mysite3/django/template/__init__.py", line
184, in render
  return self._render(context)

File "/home/mysite/django-mysite3/django/template/__init__.py", line
178, in _render
  return self.nodelist.render(context)

File "/home/mysite/django-mysite3/django/template/__init__.py", line
787, in render
  bits.append(self.render_node(node, context))

File "/home/mysite/django-mysite3/django/template/__init__.py", line
800, in render_node
  return node.render(context)

File "/home/mysite/django-mysite3/django/template/defaulttags.py",
line 384, in render
  raise e

NoReverseMatch: Reverse for 'view_user_pictures' with arguments '()'
and keyword arguments '{'username': ''}' not found.

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