def update_or_create():
try:
m = Area.objects.get(id=code)
except Area.DoesNotExist:
m = Area(
id = code,
name = name,
type = area_code,
country = country,
parent_area = parent_area,
generation_low = new_generation,
generation_high = new_generation,
)
if m.generation_high and current_generation and m.generation_high.id < current_generation.id:
raise Exception, "Area %s found, but not in current generation %s" % (m, current_generation)
m.generation_high = new_generation
g = feat.geom.transform(4326, clone=True)
poly = [ g ]
if options['commit']:
m.save()
for k, v in kml_data.data[name].items():
if k in ('name:smi', 'name:fi'):
lang = 'N' + k[5:]
m.names.update_or_create({ 'type': lang }, { 'name': v })
m.codes.update_or_create({ 'type': 'n5000' }, { 'code': code_str })
m.codes.update_or_create({ 'type': 'osm' }, { 'code': int(kml_data.data[name]['osm']) })
save_polygons({ code : (m, poly) })
def handle_label(self, filename, **options):
print filename
current_generation = Generation.objects.current()
new_generation = Generation.objects.new()
if not new_generation:
raise Exception, "No new generation to be used for import!"
short_filename = filename.split("/")[-1]
filename_prefix = short_filename[:4]
filename_suffix = short_filename.split(".")[0][-3:]
# check shapefile type - we handle both LSOA and MSOA
if filename_prefix=="LSOA":
feat_name = 'LSOA04NM'
feat_code = 'LSOA04CD'
if filename_suffix=='BGC':
area_type = 'OLG'
else:
area_type = 'OLF'
elif filename_prefix=="MSOA":
feat_name = 'MSOA04NM'
feat_code = 'MSOA04CD'
if filename_suffix=='BGC':
area_type = 'OMG'
else:
area_type = 'OMF'
else:
raise Exception, "Sorry, this script only handles LSOA/MSOA shapefiles!"
ds = DataSource(filename)
layer = ds[0]
for feat in layer:
# retrieve name and code, and set country
name = feat[feat_name].value
lsoa_code = feat[feat_code].value
country = lsoa_code[0]
# check if the LOA already exists in db, create it if not
try:
m = Area.objects.get(codes__type=area_type, codes__code=lsoa_code)
except Area.DoesNotExist:
m = Area(
type = area_type,
country = country,
generation_low = new_generation,
generation_high = new_generation,
)
# check the generation
if m.generation_high and m.generation_high.id < current_generation:
raise Exception, "Area %s found, but not in current generation %s" % (m, current_generation)
m.generation_high = new_generation
m.save()
poly = [ feat.geom ]
# TODO: check, is this type correct?
m.names.update_or_create({ 'type': 'S' }, { 'name': name })
self.lsoa_code_to_shape[lsoa_code] = (m, poly)
m.codes.update_or_create({ 'type': 'ons' }, { 'code': lsoa_code })
# save all the polygons once done
self.save_polygons(self.lsoa_code_to_shape)
def handle_label(self, filename, **options):
print filename
new_generation = Generation.objects.new()
if not new_generation:
raise Exception, "No new generation to be used for import!"
ds = DataSource(filename)
layer = ds[0]
for feat in layer:
name = unicode(feat['NAME'].value, 'iso-8859-1')
print " ", name
name = re.sub('\s*\(DET( NO \d+|)\)\s*(?i)', '', name)
name = re.sub('\s+', ' ', name)
if "P Const" in name: area_code = 'SPC'
elif "PER" in name: area_code = 'SPE'
else: raise Exception, "Unknown type of area %s" % name
ons_code = name_to_code[name]
if ons_code in self.ons_code_to_shape:
m, poly = self.ons_code_to_shape[ons_code]
if options['commit']:
m_name = m.names.get(type='O').name
if name != m_name:
raise Exception, "ONS code %s is used for %s and %s" % (ons_code, name, m_name)
# Otherwise, combine the two shapes for one area
print " Adding subsequent shape to ONS code %s" % ons_code
poly.append(feat.geom)
continue
try:
m = Area.objects.get(codes__type='gss', codes__code=ons_code)
except Area.DoesNotExist:
m = Area(
type = area_code,
country = 'S',
generation_low = new_generation,
generation_high = new_generation,
)
if options['commit']:
m.save()
poly = [ feat.geom ]
if options['commit']:
m.names.update_or_create({ 'type': 'O' }, { 'name': name })
if ons_code:
self.ons_code_to_shape[ons_code] = (m, poly)
if options['commit']:
m.codes.update_or_create({ 'type': 'gss' }, { 'code': ons_code })
if options['commit']:
save_polygons(self.ons_code_to_shape)
def handle_label(self, filename, **options):
print filename
generation = Generation.objects.current()
short_filename = filename.split("/")[-1]
filename_prefix = short_filename[:4]
filename_suffix = short_filename.split(".")[0][-3:]
# check shapefile type - we handle both LSOA and MSOA
if filename_prefix=="LSOA":
feat_name = 'LSOA04NM'
feat_code = 'LSOA04CD'
if filename_suffix=='BGC':
area_type = 'OLG'
else:
area_type = 'OLF'
elif filename_prefix=="MSOA":
feat_name = 'MSOA04NM'
feat_code = 'MSOA04CD'
if filename_suffix=='BGC':
area_type = 'OMG'
else:
area_type = 'OMF'
else:
raise Exception, "Sorry, this script only handles LSOA/MSOA shapefiles!"
ds = DataSource(filename)
layer = ds[0]
for feat in layer:
# retrieve name and code, and set country
name = feat[feat_name].value
lsoa_code = feat[feat_code].value
country = lsoa_code[0]
# skip if the SOA already exists in db (SOAs don't change)
if Area.objects.filter(type=area_type, codes__code=lsoa_code).count():
continue
print "Adding %s (%s) %s" % (name, lsoa_code, feat.geom.geom_name)
m = Area(
type = area_type,
country = country,
generation_low = generation,
generation_high = generation,
)
m.save()
m.names.update_or_create({ 'type': 'S' }, { 'name': name })
m.codes.update_or_create({ 'type': 'ons' }, { 'code': lsoa_code })
p = feat.geom
if p.geom_name == 'POLYGON':
shapes = [ p ]
else:
shapes = p
for g in shapes:
m.polygons.create(polygon=g.wkt)
def handle_label(self, filename, **options):
current_generation = Generation.objects.current()
new_generation = Generation.objects.new()
if not new_generation:
raise Exception, "No new generation to be used for import!"
ds = DataSource(filename)
layer = ds[0]
for feat in layer:
name = unicode(feat['NAVN'].value, 'iso-8859-1')
name = re.sub('\s+', ' ', name)
print " ", name
code = feat['KOMM'].value
code_str = '%04d' % code
area_code = 'NKO'
country = 'O'
try:
m = Area.objects.get(codes__type='n5000', codes__code=code_str)
except Area.DoesNotExist:
m = Area(
id = code,
type = area_code,
country = country,
generation_low = new_generation,
generation_high = new_generation,
)
if m.generation_high and current_generation and m.generation_high.id < current_generation.id:
raise Exception, "Area %s found, but not in current generation %s" % (m, current_generation)
m.generation_high = new_generation
g = feat.geom.transform(4326, clone=True)
poly = [ g ]
if options['commit']:
m.save()
m.names.update_or_create({ 'type': 'M' }, { 'name': name })
m.codes.update_or_create({ 'type': 'n5000' }, { 'code': code_str })
save_polygons({ code : (m, poly) })
def handle_label(self, filename, **options):
if not options['control']:
raise Exception, "You must specify a control file"
__import__(options['control'])
control = sys.modules[options['control']]
print filename
current_generation = Generation.objects.current()
new_generation = Generation.objects.new()
if not new_generation:
raise Exception, "No new generation to be used for import!"
ds = DataSource(filename)
layer = ds[0]
for feat in layer:
name = unicode(feat['NAME'].value, 'iso-8859-1')
print " ", name
name = re.sub('\s*\(DET( NO \d+|)\)\s*(?i)', '', name)
name = re.sub('\s+', ' ', name)
ons_code = feat['CODE'].value if feat['CODE'].value not in ('999999', '999999999') else None
unit_id = str(feat['UNIT_ID'].value)
area_code = feat['AREA_CODE'].value
if self.patch_boundary_line(ons_code, area_code):
ons_code = None
if area_code == 'NCP': continue # Ignore Non Parished Areas
if ons_code in self.ons_code_to_shape:
m, poly = self.ons_code_to_shape[ons_code]
m_name = m.names.get(type='O').name
if name != m_name:
raise Exception, "ONS code %s is used for %s and %s" % (ons_code, name, m_name)
# Otherwise, combine the two shapes for one area
print " Adding subsequent shape to ONS code %s" % ons_code
poly.append(feat.geom)
continue
if unit_id in self.unit_id_to_shape:
m, poly = self.unit_id_to_shape[unit_id]
m_name = m.names.get(type='O').name
if name != m_name:
raise Exception, "Unit ID code %s is used for %s and %s" % (unit_id, name, m_name)
# Otherwise, combine the two shapes for one area
print " Adding subsequent shape to unit ID %s" % unit_id
poly.append(feat.geom)
continue
if control.code_version() == 'gss' and ons_code:
country = ons_code[0] # Hooray!
elif area_code in ('CED', 'CTY', 'DIW', 'DIS', 'MTW', 'MTD', 'LBW', 'LBO', 'LAC', 'GLA'):
country = 'E'
elif control.code_version() == 'gss':
raise Exception, area_code
elif (area_code == 'EUR' and 'Scotland' in name) or area_code in ('SPC', 'SPE') or (ons_code and ons_code[0:3] in ('00Q', '00R')):
country = 'S'
elif (area_code == 'EUR' and 'Wales' in name) or area_code in ('WAC', 'WAE') or (ons_code and ons_code[0:3] in ('00N', '00P')):
country = 'W'
elif area_code in ('EUR', 'UTA', 'UTE', 'UTW', 'CPC'):
country = 'E'
else: # WMC
# Make sure WMC are loaded after all wards...
area_within = Area.objects.filter(type__in=('UTW','UTE','MTW','COP','LBW','DIW'), polygons__polygon__contains=feat.geom.geos.point_on_surface)[0]
country = area_within.country
# Can't do the above ons_code checks with new GSS codes, will have to do more PinP checks
# Do parents in separate P-in-P code after this is done.
try:
if control.check(name, area_code, country, feat.geom):
raise Area.DoesNotExist
if ons_code:
m = Area.objects.get(codes__type=control.code_version(), codes__code=ons_code)
elif unit_id:
m = Area.objects.get(codes__type='unit_id', codes__code=unit_id)
m_name = m.names.get(type='O').name
if name != m_name:
raise Exception, "Unit ID code %s is %s in DB but %s in SHP file" % (unit_id, m_name, name)
else:
raise Exception, 'Area "%s" (%s) has neither ONS code nor unit ID' % (name, area_code)
except Area.DoesNotExist:
m = Area(
type = area_code,
country = country,
generation_low = new_generation,
generation_high = new_generation,
)
if m.generation_high and current_generation and m.generation_high.id < current_generation.id:
raise Exception, "Area %s found, but not in current generation %s" % (m, current_generation)
m.generation_high = new_generation
if options['commit']:
m.save()
poly = [ feat.geom ]
if options['commit']:
m.names.update_or_create({ 'type': 'O' }, { 'name': name })
if ons_code:
self.ons_code_to_shape[ons_code] = (m, poly)
if options['commit']:
m.codes.update_or_create({ 'type': control.code_version() }, { 'code': ons_code })
if unit_id:
self.unit_id_to_shape[unit_id] = (m, poly)
if options['commit']:
m.codes.update_or_create({ 'type': 'unit_id' }, { 'code': unit_id })
if options['commit']:
save_polygons(self.unit_id_to_shape)
save_polygons(self.ons_code_to_shape)
