def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
python类GEOSException()的实例源码
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom
def to_python(self, value):
"""
Transforms the value to a Geometry object.
"""
if value in self.empty_values:
return None
if not isinstance(value, GEOSGeometry):
try:
value = GEOSGeometry(value)
except (GEOSException, ValueError, TypeError):
raise forms.ValidationError(self.error_messages['invalid_geom'], code='invalid_geom')
# Try to set the srid
if not value.srid:
try:
value.srid = self.widget.map_srid
except AttributeError:
if self.srid:
value.srid = self.srid
return value
def clean(self, value):
"""
Validates that the input value can be converted to a Geometry
object (which is returned). A ValidationError is raised if
the value cannot be instantiated as a Geometry.
"""
geom = super(GeometryField, self).clean(value)
if geom is None:
return geom
# Ensuring that the geometry is of the correct type (indicated
# using the OGC string label).
if str(geom.geom_type).upper() != self.geom_type and not self.geom_type == 'GEOMETRY':
raise forms.ValidationError(self.error_messages['invalid_geom_type'], code='invalid_geom_type')
# Transforming the geometry if the SRID was set.
if self.srid and self.srid != -1 and self.srid != geom.srid:
try:
geom.transform(self.srid)
except GEOSException:
raise forms.ValidationError(
self.error_messages['transform_error'], code='transform_error')
return geom