def make_instance(name=None, is_public=False, url_name=None, point=None,
edge_length=600):
if name is None:
max_instance = Instance.objects.all().aggregate(
Max('id'))['id__max'] or 0
name = 'generated$%d' % (max_instance + 1)
if url_name is None:
max_instance = Instance.objects.all().aggregate(
Max('id'))['id__max'] or 0
url_name = 'generated-%d' % (max_instance + 1)
p1 = point or Point(0, 0)
instance = Instance(name=name, geo_rev=0,
is_public=is_public, url_name=url_name)
instance.seed_with_dummy_default_role()
d = edge_length / 2
instance.bounds = InstanceBounds.create_from_point(p1.x, p1.y, d)
instance.save()
new_role = Role.objects.create(
name='role-%s' % name, instance=instance,
rep_thresh=0, default_permission=FieldPermission.READ_ONLY)
instance.default_role = new_role
instance.save()
return instance
def make_instance(name=None, is_public=False, url_name=None, point=None,
edge_length=600):
if name is None:
max_instance = Instance.objects.all().aggregate(
Max('id'))['id__max'] or 0
name = 'generated$%d' % (max_instance + 1)
if url_name is None:
max_instance = Instance.objects.all().aggregate(
Max('id'))['id__max'] or 0
url_name = 'generated-%d' % (max_instance + 1)
p1 = point or Point(0, 0)
instance = Instance(name=name, geo_rev=0,
is_public=is_public, url_name=url_name)
instance.seed_with_dummy_default_role()
d = edge_length / 2
instance.bounds = InstanceBounds.create_from_point(p1.x, p1.y, d)
instance.save()
new_role = Role.objects.create(
name='role-%s' % name, instance=instance,
rep_thresh=0, default_permission_level=FieldPermission.READ_ONLY)
instance.default_role = new_role
instance.save()
return instance
def test_create_from_geojson_self_intersection(self):
invalid_geojson = {
"type":
"FeatureCollection",
"features": [{
"type": "Feature",
"properties": {},
"geometry": {
"type":
"Polygon",
"coordinates": [[[-78.28857421875, 41.19518982948959],
[-76.79443359375, 41.65649719441145],
[-78.134765625, 39.04478604850143],
[-74.970703125, 40.896905775860006],
[-78.28857421875, 41.19518982948959]]]
}
}]
}
with self.assertRaises(ValidationError):
InstanceBounds.create_from_geojson(json.dumps(invalid_geojson))
def test_create_from_geojson_missing_point(self):
# Same as above, but last point is missing
invalid_geojson = {
"type":
"FeatureCollection",
"features": [{
"type": "Feature",
"properties": {},
"geometry": {
"type":
"Polygon",
"coordinates": [[[-75.20416259765625, 40.011838968100335],
[-75.19866943359375, 40.02551125229787],
[-75.20484924316406, 40.029717557833266],
[-75.21171569824219, 40.02340800226773],
[-75.21102905273438, 40.01762373035351]]]
}
}]
}
with self.assertRaises(ValidationError):
InstanceBounds.create_from_geojson(json.dumps(invalid_geojson))
def test_create_from_geojson_self_intersection(self):
invalid_geojson = {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
-78.28857421875,
41.19518982948959
],
[
-76.79443359375,
41.65649719441145
],
[
-78.134765625,
39.04478604850143
],
[
-74.970703125,
40.896905775860006
],
[
-78.28857421875,
41.19518982948959
]
]
]
}
}
]
}
with self.assertRaises(ValidationError):
InstanceBounds.create_from_geojson(json.dumps(invalid_geojson))
def test_create_from_geojson_missing_point(self):
# Same as above, but last point is missing
invalid_geojson = {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
-75.20416259765625,
40.011838968100335
],
[
-75.19866943359375,
40.02551125229787
],
[
-75.20484924316406,
40.029717557833266
],
[
-75.21171569824219,
40.02340800226773
],
[
-75.21102905273438,
40.01762373035351
]
]
]
}
}
]
}
with self.assertRaises(ValidationError):
InstanceBounds.create_from_geojson(json.dumps(invalid_geojson))
def test_create_from_geojson(self):
geojson = {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
-75.20416259765625,
40.011838968100335
],
[
-75.19866943359375,
40.02551125229787
],
[
-75.20484924316406,
40.029717557833266
],
[
-75.21171569824219,
40.02340800226773
],
[
-75.21102905273438,
40.01762373035351
],
[
-75.20416259765625,
40.011838968100335
]
]
]
}
}
]
}
i = InstanceBounds.create_from_geojson(json.dumps(geojson))
self.assertTrue(i.geom.valid)
def test_create_from_geojson(self):
geojson = {
"type":
"FeatureCollection",
"features": [{
"type": "Feature",
"properties": {},
"geometry": {
"type":
"Polygon",
"coordinates": [[[-75.20416259765625, 40.011838968100335],
[-75.19866943359375, 40.02551125229787],
[-75.20484924316406, 40.029717557833266],
[-75.21171569824219, 40.02340800226773],
[-75.21102905273438, 40.01762373035351],
[-75.20416259765625, 40.011838968100335]]]
}
}]
}
i = InstanceBounds.create_from_geojson(json.dumps(geojson))
self.assertTrue(i.geom.valid)
def handle(self, *args, **options):
if len(args) != 1:
raise Exception(
'Expected instance name as the first argument')
name = args[0]
if not options['user']:
raise Exception('An admin user must be specified. with "--user"')
if options.get('center', None) and options.get('geojson', None):
raise Exception('You must specifiy only one of '
'"center" and "geojson"')
elif (not options.get('center', None) and
not options.get('geojson', None)):
raise Exception('You must specifiy at least one of '
'"center" and "geojson"')
if options['center']:
center = options['center'].split(',')
if len(center) != 2:
raise Exception('Center should be a lon,lat pair')
center_pt = Point(float(center[0]), float(center[1]), srid=4326)
# Bounding box built in web mercator to have units in meters
center_pt.transform(3857)
x = center_pt.x
y = center_pt.y
instance_bounds = InstanceBounds.create_from_point(x, y)
else:
geom = GEOSGeometry(open(options['geojson'], srid=4326).read())
instance_bounds = InstanceBounds.objects.create(geom=geom)
if not options.get('url_name', None):
raise Exception('You must specify a "url_name" starting with a '
'lowercase letter and containing lowercase '
'letters, numbers, and dashes ("-")')
url_name = options.get('url_name')
instance = Instance(
config={},
name=name,
bounds=instance_bounds,
is_public=True,
url_name=url_name)
instance.seed_with_dummy_default_role()
instance.full_clean()
instance.save()
instance.boundaries = Boundary.objects.filter(
geom__intersects=instance_bounds.geom)
role = Role.objects.create(
name='user', instance=instance, rep_thresh=0,
default_permission=FieldPermission.WRITE_DIRECTLY)
create_stewardship_udfs(instance)
add_species_to_instance(instance)
add_default_permissions(instance, roles=[role])
eco_benefits_conversion = \
BenefitCurrencyConversion.get_default_for_point(Point(x, y))
if eco_benefits_conversion:
eco_benefits_conversion.save()
instance.eco_benefits_conversion = eco_benefits_conversion
instance.default_role = role
instance.save()
user = User.objects.get(username=options['user'])
InstanceUser(
instance=instance,
user=user,
role=role,
admin=True).save_with_user(user)
def handle(self, *args, **options):
if len(args) != 1:
raise Exception('Expected instance name as the first argument')
name = args[0]
if not options['user']:
raise Exception('An admin user must be specified. with "--user"')
if options.get('center', None) and options.get('geojson', None):
raise Exception('You must specifiy only one of '
'"center" and "geojson"')
elif (not options.get('center', None)
and not options.get('geojson', None)):
raise Exception('You must specifiy at least one of '
'"center" and "geojson"')
if options['center']:
center = options['center'].split(',')
if len(center) != 2:
raise Exception('Center should be a lon,lat pair')
center_pt = Point(float(center[0]), float(center[1]), srid=4326)
# Bounding box built in web mercator to have units in meters
center_pt.transform(3857)
x = center_pt.x
y = center_pt.y
instance_bounds = InstanceBounds.create_from_point(x, y)
else:
geom = GEOSGeometry(open(options['geojson'], srid=4326).read())
instance_bounds = InstanceBounds.objects.create(geom=geom)
if not options.get('url_name', None):
raise Exception('You must specify a "url_name" starting with a '
'lowercase letter and containing lowercase '
'letters, numbers, and dashes ("-")')
url_name = options.get('url_name')
instance = Instance(config={},
name=name,
bounds=instance_bounds,
is_public=True,
url_name=url_name)
instance.seed_with_dummy_default_role()
instance.full_clean()
instance.save()
instance.boundaries = Boundary.objects.filter(
geom__intersects=instance_bounds.geom)
role = Role.objects.create(
name='user',
instance=instance,
rep_thresh=0,
default_permission_level=FieldPermission.WRITE_DIRECTLY)
create_stewardship_udfs(instance)
add_species_to_instance(instance)
add_default_permissions(instance, roles=[role])
add_instance_permissions([role])
eco_benefits_conversion = \
BenefitCurrencyConversion.get_default_for_instance(instance)
if eco_benefits_conversion:
eco_benefits_conversion.save()
instance.eco_benefits_conversion = eco_benefits_conversion
instance.default_role = role
instance.save()
user = User.objects.get(username=options['user'])
InstanceUser(instance=instance, user=user, role=role,
admin=True).save_with_user(user)
