[1.1.X] Fixed #12101 -- `OGRGeometry` does not need to create a clone of the `SpatialReference` object upon assignment.

Backport of r11707 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@11708 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Justin Bronn 2009-11-03 06:18:52 +00:00
parent e3f07d2b4c
commit a9c816c41b
1 changed files with 6 additions and 2 deletions

View File

@ -256,11 +256,15 @@ class OGRGeometry(GDALBase):
def _set_srs(self, srs):
"Sets the SpatialReference for this geometry."
# Do not have to clone the `SpatialReference` object pointer because
# when it is assigned to this `OGRGeometry` it's internal OGR
# reference count is incremented, and will likewise be released
# (decremented) when this geometry's destructor is called.
if isinstance(srs, SpatialReference):
srs_ptr = srs_api.clone_srs(srs.ptr)
srs_ptr = srs.ptr
elif isinstance(srs, (int, long, basestring)):
sr = SpatialReference(srs)
srs_ptr = srs_api.clone_srs(sr.ptr)
srs_ptr = sr.ptr
else:
raise TypeError('Cannot assign spatial reference with object of type: %s' % type(srs))
capi.assign_srs(self.ptr, srs_ptr)