#9694: Geographic Admin raises 'Invalid SRS type "wkt"' TypeError on Ubuntu 8.10
(Apache 2.2.9)
-------------------------------+--------------------------------------------
Reporter: jbronn | Owner: jbronn
Status: new | Milestone: post-1.0
Component: GIS | Version: SVN
Keywords: gis apache ubuntu | Stage: Unreviewed
Has_patch: 1 |
-------------------------------+--------------------------------------------
When using the geographic admin on the simple
[http://geodjango.org/hg/world world] application, the following error is
raised when using Apache 2.2.9 on Ubuntu 8.10 with ''both'' `mod_python`
(3.3.1) and `mod_wsgi` (2.3):
{{{
Original Traceback (most recent call last):
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/template/debug.py", line 71, in render_node
result = node.render(context)
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/template/debug.py", line 87, in render
output = force_unicode(self.filter_expression.resolve(context))
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/utils/encoding.py", line 49, in force_unicode
s = unicode(s)
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/forms/forms.py", line 333, in __unicode__
return self.as_widget()
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/forms/forms.py", line 365, in as_widget
return widget.render(name, data, attrs=attrs)
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/contrib/gis/admin/widgets.py", line 43, in render
value.transform(srid)
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/contrib/gis/geos/base.py", line 460, in transform
self._post_init(g.srid)
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/contrib/gis/gdal/geometries.py", line 258, in get_srid
if self.srs: return self.srs.srid
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/contrib/gis/gdal/geometries.py", line 239, in get_srs
return SpatialReference(clone_srs(srs_ptr))
File "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/contrib/gis/gdal/srs.py", line 91, in __init__
raise TypeError('Invalid SRS type "%s"' % srs_type)
TypeError: Invalid SRS type "wkt"
}}}
However, this does not happen on Ubuntu 8.04 (Apache 2.2.8 + same version
of `mod_python`). The attached patch fixes the exception. Basically,
instead of doing the transform ops on the GEOS geometry, I get an OGR
geometry first and do the transform. Other than reducing transformation
complexity (e.g., I'm not instantiating OGR geom within
`GEOSGeometry.transform`), I don't know why this works -- which is why I
have this ticket.
`mod_python` configuration:
{{{
<VirtualHost *:80>
<Location "/">
SetHandler mod_python
PythonHandler django.core.handlers.modpython
SetEnv DJANGO_SETTINGS_MODULE settings
PythonDebug On
PythonPath "['/var/www/apps'] + sys.path"
</Location>
Alias /media/ "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/contrib/admin/media/"
<Location "/media">
SetHandler None
</Location>
</VirtualHost>
}}}
`mod_wsgi` configuration:
{{{
<VirtualHost *:80>
WSGIDaemonProcess geodjango user=geo group=geo processes=5 threads=1
WSGIProcessGroup geodjango
WSGIScriptAlias / /home/geo/geodjango/world.wsgi
Alias /media/ "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/contrib/admin/media/"
<Directory "/usr/lib/python2.5/site-packages/Django-1.0.2_final-
py2.5.egg/django/contrib/admin/media/">
Order allow,deny
Options Indexes
Allow from all
IndexOptions FancyIndexing
</Directory>
</VirtualHost>
}}}
--
Ticket URL: <http://code.djangoproject.com/ticket/9694>
Django <http://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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