def handle_label(self, filename, **options):
        code_version = CodeType.objects.get(code='gss')
        name_type = NameType.objects.get(code='O')
        for feat in DataSource(filename)[0]:
            name = feat['NAME'].value
            if not isinstance(name, six.text_type):
                name = name.decode('iso-8859-1')
            name = re.sub(r'\s*\(DET( NO \d+|)\)\s*(?i)', '', name)
            name = re.sub(r'\s+', ' ', name)
            ons_code = feat['CODE'].value
            area_code = feat['AREA_CODE'].value
            country = ons_code[0]
            if ons_code in ('E07000100', 'E07000104', 'S12000009', 'S12000043'):
                assert Area.objects.filter(codes__type=code_version, codes__code=ons_code).count() == 0
                print(ons_code, area_code, country, name)

                m = Area(
                    type=Type.objects.get(code=area_code),
                    country=Country.objects.get(code=country),
                    generation_low=Generation.objects.get(id=1),
                    generation_high=Generation.objects.get(id=14),
                )
                if options['commit']:
                    m.save()
                    m.names.update_or_create(type=name_type, defaults={'name': name})
                    m.codes.update_or_create(type=code_version, defaults={'code': ons_code})
                    save_polygons({ons_code: (m, [feat.geom])})

    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!"

        name_type = NameType.objects.get(code='O')
        code_type = CodeType.objects.get(code='gss')

        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=name_type).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=code_type, codes__code=ons_code)
            except Area.DoesNotExist:
                m = Area(
                    type = Type.objects.get(code=area_code),
                    country = Country.objects.get(name='Scotland'),
                    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': name_type }, { 'name': name })
            if ons_code:
                self.ons_code_to_shape[ons_code] = (m, poly)
                if options['commit']:
                    m.codes.update_or_create({ 'type': code_type }, { 'code': ons_code })

        if options['commit']:
            save_polygons(self.ons_code_to_shape)

                    def update_or_create():
                        if osm_code:
                            m = osm_code.area
                        else:
                            m = Area(
                                name = name,
                                type = Type.objects.get(code=area_code),
                                country = Country.objects.get(code='G'),
                                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)

                        # In generating the data we should have
                        # excluded any "polygons" with less than four
                        # points (the final one being the same as the
                        # first), but just in case:
                        for polygon in g:
                            if g.num_points < 4:
                                return

                        poly = [ g ]

                        if options['commit']:
                            m.save()

                            if name not in kml_data.data:
                                print json.dumps(kml_data.data, sort_keys=True, indent=4)
                                raise Exception, u"Will fail to find '%s' in the dictionary" % (name,)

                            for k, v in kml_data.data[name].items():
                                language_name = None
                                if k == 'name':
                                    lang = 'default'
                                    language_name = "OSM Default"
                                else:
                                    name_match = re.search(r'^name:(.+)$', k)
                                    if name_match:
                                        lang = name_match.group(1)
                                        if lang in language_code_to_name:
                                            language_name = language_code_to_name[lang]
                                if not language_name:
                                    continue
                                # Otherwise, make sure that a NameType for this language exists:
                                NameType.objects.update_or_create({'code': lang},
                                                                  {'code': lang,
                                                                   'description': language_name})
                                name_type = NameType.objects.get(code=lang)
                                m.names.update_or_create({ 'type': name_type }, { 'name': v })
                            m.codes.update_or_create({ 'type': code_type_osm }, { 'code': osm_id })
                            save_polygons({ code : (m, poly) })

    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__code=area_type, codes__code=lsoa_code).count():
                continue
            print("Adding %s (%s) %s" % (name, lsoa_code, feat.geom.geom_name))
            m = Area(
                type=Type.objects.get(code=area_type),
                country=Country.objects.get(code=country),
                generation_low=generation,
                generation_high=generation,
            )
            m.save()
            m.names.update_or_create(type=NameType.objects.get(code='S'), defaults={'name': name})
            m.codes.update_or_create(type=CodeType.objects.get(code='ons'), defaults={'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 _create(self, name, typ, geom, gss=None):
     m = Area(
         name=name, type=Type.objects.get(code=typ), country=self.country,
         generation_low=self.gn, generation_high=self.gn,
     )
     if self.commit:
         m.save()
         m.names.update_or_create(type=self.name_type, defaults={'name': name})
         if gss:
             m.codes.update_or_create(type=self.code_type, defaults={'code': gss})
         m.polygons.create(polygon=geom)
     else:
         print('Would create', name, typ)

    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!"

        code_type = CodeType.objects.get(code='n5000')
        name_type = NameType.objects.get(code='M')

        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'
            
            try:
                m = Area.objects.get(codes__type=code_type, codes__code=code_str)
            except Area.DoesNotExist:
                m = Area(
                    id = code,
                    type = Type.objects.get(code=area_code),
                    country = Country.objects.get(code='O'),
                    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': name_type }, { 'name': name })
                m.codes.update_or_create({ 'type': code_type }, { 'code': code_str })
                save_polygons({ code : (m, poly) })

                def update_or_create():
                    try:
                        m = Area.objects.get(id=int(regionid))
                        print "Updating area %s with id %d" % (regionname, int(regionid))
                    except Area.DoesNotExist:
                        print "Creating new area %s with id %d" % (regionname, int(regionid))
                        m = Area(
                            id = int(regionid),
                            name = regionname,
                            type = Type.objects.get(code=area_type),
                            country = Country.objects.get(code='O'),
                            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

                    poly = [ GEOSGeometry(unionoutline).ogr ]
                    if options['commit']:
                        m.save()
                        save_polygons({ regionid : (m, poly) })

    def process_file(self, filename, area_code, srid, control, options):
        code_version = CodeType.objects.get(code=control.code_version())
        name_type = NameType.objects.get(code="N")
        code_type_osni = CodeType.objects.get(code="osni_oid")
        if not hasattr(self, area_code):
            raise Exception("Don't know how to extract features from %s files" % area_code)

        area_code_info = getattr(self, area_code)(srid)

        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, ons_code, osni_object_id = area_code_info.extract_fields(feat)
            name = self.format_name(name)
            if ons_code in self.ons_code_to_shape:
                m, poly = self.ons_code_to_shape[ons_code]
                try:
                    m_name = m.names.get(type=name_type).name
                except Name.DoesNotExist:
                    m_name = m.name  # If running without commit for dry run, so nothing being stored in db
                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
                poly.append(feat.geom)
                continue

            if osni_object_id in self.osni_object_id_to_shape:
                m, poly = self.osni_object_id_to_shape[osni_object_id]
                try:
                    m_name = m.names.get(type=name_type).name
                except Name.DoesNotExist:
                    m_name = m.name  # If running without commit for dry run, so nothing being stored in db
                if name != m_name:
                    raise Exception("OSNI Object ID code %s is used for %s and %s" % (osni_object_id, name, m_name))
                # Otherwise, combine the two shapes for one area
                poly.append(feat.geom)
                continue

            country = "N"

            try:
                check = control.check(name, area_code, country, feat.geom)
                if check is True:
                    raise Area.DoesNotExist
                if isinstance(check, Area):
                    m = check
                    ons_code = m.codes.get(type=code_version).code
                elif ons_code:
                    m = Area.objects.get(codes__type=code_version, codes__code=ons_code)
                elif osni_object_id:
                    m = Area.objects.get(
                        codes__type=code_type_osni, codes__code=osni_object_id, generation_high=current_generation
                    )
                    m_name = m.names.get(type=name_type).name
                    if name != m_name:
                        raise Exception(
                            "OSNI Object ID code %s is %s in DB but %s in SHP file" % (osni_object_id, m_name, name)
                        )
                else:
                    raise Exception('Area "%s" (%s) has neither ONS code nor OSNI Object ID' % (name, area_code))
                if int(options["verbosity"]) > 1:
                    print("  Area matched, %s" % (m,))
            except Area.DoesNotExist:
                area_type = Type.objects.get(code=area_code)
                # It's possible we already have NIE entries (without any codes) in the db
                try:
                    if area_code == "NIE":
                        matching_name = name.title().replace("And", "and")
                        m = Area.objects.get(name=matching_name, type=area_type, generation_high=current_generation)
                        if int(options["verbosity"]) > 1:
                            print("  Area matched (via name), %s" % (m,))
                    else:
                        raise Area.DoesNotExist("Still doesn't exist")
                except Area.DoesNotExist:
                    print("  New area: %s %s %s %s" % (area_code, ons_code, osni_object_id, name))
                    m = Area(
                        name=name,  # Not overwritten by m.names.update_or_create as no "N" use
                        type=area_type,
                        country=Country.objects.get(code=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()

            # Make a GEOS geometry only to check for validity:
            g = feat.geom
            geos_g = g.geos
            if not geos_g.valid:
#.........这里部分代码省略.........

    def handle_label(self, filename, **options):

        missing_options = []
        for k in ['generation_id', 'area_type_code', 'name_type_code', 'country_code']:
            if options[k]:
                continue
            else:
                missing_options.append(k)
        if missing_options:
            message_start = "Missing arguments " if len(missing_options) > 1 else "Missing argument "
            message = message_start + " ".join('--{0}'.format(k) for k in missing_options)
            raise CommandError(message)

        generation_id = options['generation_id']
        area_type_code = options['area_type_code']
        name_type_code = options['name_type_code']
        country_code = options['country_code']
        override_name = options['override_name']
        name_field = options['name_field']
        if not (override_name or name_field):
            name_field = 'Name'
        override_code = options['override_code']
        code_field = options['code_field']
        code_type_code = options['code_type']
        encoding = options['encoding'] or 'utf-8'

        if len(area_type_code) > 3:
            raise CommandError("Area type code must be 3 letters or fewer, sorry")

        if name_field and override_name:
            raise CommandError("You must not specify both --name_field and --override_name")
        if code_field and override_code:
            raise CommandError("You must not specify both --code_field and --override_code")

        using_code = (code_field or override_code)
        if (using_code and not code_type_code) or (not using_code and code_type_code):
            raise CommandError(
                "If you want to save a code, specify --code_type and either --code_field or --override_code")
        try:
            area_type = Type.objects.get(code=area_type_code)
        except:
            type_desc = input('Please give a description for area type code %s: ' % area_type_code)
            area_type = Type(code=area_type_code, description=type_desc)
            if options['commit']:
                area_type.save()

        try:
            name_type = NameType.objects.get(code=name_type_code)
        except:
            name_desc = input('Please give a description for name type code %s: ' % name_type_code)
            name_type = NameType(code=name_type_code, description=name_desc)
            if options['commit']:
                name_type.save()

        try:
            country = Country.objects.get(code=country_code)
        except:
            country_name = input('Please give the name for country code %s: ' % country_code)
            country = Country(code=country_code, name=country_name)
            if options['commit']:
                country.save()

        if code_type_code:
            try:
                code_type = CodeType.objects.get(code=code_type_code)
            except:
                code_desc = input('Please give a description for code type %s: ' % code_type_code)
                code_type = CodeType(code=code_type_code, description=code_desc)
                if options['commit']:
                    code_type.save()

        self.stdout.write("Importing from %s" % filename)

        if not options['commit']:
            self.stdout.write('(will not save to db as --commit not specified)')

        current_generation = Generation.objects.current()
        new_generation = Generation.objects.get(id=generation_id)

        def verbose(*args):
            if int(options['verbosity']) > 1:
                self.stdout.write(" ".join(str(a) for a in args))

        ds = DataSource(filename)
        layer = ds[0]
        if (override_name or override_code) and len(layer) > 1:
            message = (
                "Warning: you have specified an override %s and this file contains more than one feature; "
                "multiple areas with the same %s will be created")
            if override_name:
                self.stdout.write(message % ('name', 'name'))
            if override_code:
                self.stdout.write(message % ('code', 'code'))

        for feat in layer:

            if override_name:
                name = override_name
            else:
                try:
#.........这里部分代码省略.........

    def handle_label(self, filename, **options):

        err = False
        for k in ['generation_id','area_type_code','name_type_code','country_code']:
            if options[k]: continue
            print "Missing argument '--%s'" % k
            err = True
        if err:
            sys.exit(1)

        generation_id = options['generation_id']
        area_type_code = options['area_type_code']
        name_type_code = options['name_type_code']
        country_code = options['country_code']
        name_field = options['name_field'] or 'Name'
        code_field = options['code_field']
        code_type_code = options['code_type']
        encoding = options['encoding'] or 'utf-8'

        if len(area_type_code)>3:
            print "Area type code must be 3 letters or fewer, sorry"
            sys.exit(1)

        if (code_field and not code_type_code) or (not code_field and code_type_code):
            print "You must specify both code_field and code_type, or neither."
            sys.exit(1)
        try:
            area_type = Type.objects.get(code=area_type_code)
        except:
            type_desc = raw_input('Please give a description for area type code %s: ' % area_type_code)
            area_type = Type(code=area_type_code, description=type_desc)
            if options['commit']: area_type.save()

        try:
            name_type = NameType.objects.get(code=name_type_code)
        except:
            name_desc = raw_input('Please give a description for name type code %s: ' % name_type_code)
            name_type = NameType(code=name_type_code, description=name_desc)
            if options['commit']: name_type.save()

        try:
            country = Country.objects.get(code=country_code)
        except:
            country_name = raw_input('Please give the name for country code %s: ' % country_code)
            country = Country(code=country_code, name=country_name)
            if options['commit']: country.save()

        if code_type_code:
            try:
                code_type = CodeType.objects.get(code=code_type_code)
            except:
                code_desc = raw_input('Please give a description for code type %s: ' % code_type_code)
                code_type = CodeType(code=code_type_code, description=code_desc)
                if options['commit']: code_type.save()

        print "Importing from %s" % filename

        if not options['commit']:
            print '(will not save to db as --commit not specified)'

        current_generation = Generation.objects.current()
        new_generation     = Generation.objects.get( id=generation_id )

        def verbose(*args):
            if options['verbose']:
                print " ".join(str(a) for a in args)

        ds = DataSource(filename)
        layer = ds[0]
        for feat in layer:

            try:
                name = feat[name_field].value
            except:
                choices = ', '.join(layer.fields)
                print "Could not find name using name field '%s' - should it be something else? It will be one of these: %s. Specify which with --name_field" % (name_field, choices)
                sys.exit(1)
            try:
                name = name.decode(encoding)
            except:
                print "Could not decode name using encoding '%s' - is it in another encoding? Specify one with --encoding" % encoding
                sys.exit(1)

            name = re.sub('\s+', ' ', name)
            if not name:
                raise Exception( "Could not find a name to use for area" )

            code = None
            if code_field:
                try:
                    code = feat[code_field].value
                except:
                    choices = ', '.join(layer.fields)
                    print "Could not find code using code field '%s' - should it be something else? It will be one of these: %s. Specify which with --code_field" % (code_field, choices)
                    sys.exit(1)

            print "  looking at '%s'%s" % ( name.encode('utf-8'), (' (%s)' % code) if code else '' )

            g = feat.geom.transform(4326, clone=True)

#.........这里部分代码省略.........

    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"]]

        code_version = CodeType.objects.get(code=control.code_version())
        name_type = NameType.objects.get(code="O")
        code_type_os = CodeType.objects.get(code="unit_id")

        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 = feat["NAME"].value
            if not isinstance(name, unicode):
                name = name.decode("iso-8859-1")

            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
            patch = self.patch_boundary_line(ons_code, area_code)
            if patch == True:
                ons_code = None
            elif patch:
                ons_code = patch

            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]
                try:
                    m_name = m.names.get(type=name_type).name
                except Name.DoesNotExist:
                    m_name = m.name  # If running without commit for dry run, so nothing being stored in db
                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
                poly.append(feat.geom)
                continue

            if unit_id in self.unit_id_to_shape:
                m, poly = self.unit_id_to_shape[unit_id]
                try:
                    m_name = m.names.get(type=name_type).name
                except Name.DoesNotExist:
                    m_name = m.name  # If running without commit for dry run, so nothing being stored in db
                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
                poly.append(feat.geom)
                continue

            if code_version.code == "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 code_version.code == "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__code__in=("UTW", "UTE", "MTW", "COP", "LBW", "DIW"),
                    polygons__polygon__contains=feat.geom.geos.point_on_surface,
                )[0]
                country = area_within.country.code
            # 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:
                check = control.check(name, area_code, country, feat.geom)
                if check == True:
                    raise Area.DoesNotExist
                if isinstance(check, Area):
                    m = check
                    ons_code = m.codes.get(type=code_version).code
                elif ons_code:
#.........这里部分代码省略.........

    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']]

        code_version = CodeType.objects.get(code=control.code_version())
        name_type = NameType.objects.get(code='O')
        code_type_os = CodeType.objects.get(code='unit_id')

        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 = feat['NAME'].value
            if not isinstance(name, unicode):
                name = name.decode('iso-8859-1')

            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
            patch = self.patch_boundary_line(ons_code, area_code)
            if patch == True: ons_code = None
            elif patch: ons_code = patch

            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]
                try:
                    m_name = m.names.get(type=name_type).name
                except Name.DoesNotExist:
                    m_name = m.name # If running without commit for dry run, so nothing being stored in db
                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
                poly.append(feat.geom)
                continue

            if unit_id in self.unit_id_to_shape:
                m, poly = self.unit_id_to_shape[unit_id]
                try:
                    m_name = m.names.get(type=name_type).name
                except Name.DoesNotExist:
                    m_name = m.name # If running without commit for dry run, so nothing being stored in db
                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
                poly.append(feat.geom)
                continue

            if code_version.code == '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 code_version.code == '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__code__in=('UTW','UTE','MTW','COP','LBW','DIW'), polygons__polygon__contains=feat.geom.geos.point_on_surface)[0]
                country = area_within.country.code
            # 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:
                check = control.check(name, area_code, country, feat.geom)
                if check == True:
                    raise Area.DoesNotExist
                if isinstance(check, Area):
                    m = check
                    ons_code = m.codes.get(type=code_version).code
                elif ons_code:
                    m = Area.objects.get(codes__type=code_version, codes__code=ons_code)
                elif unit_id:
                    m = Area.objects.get(codes__type=code_type_os, codes__code=unit_id, generation_high=current_generation)
                    m_name = m.names.get(type=name_type).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)
                if int(options['verbosity']) > 1:
                    print "  Area matched, %s" % (m, )
            except Area.DoesNotExist:
                print "  New area: %s %s %s %s" % (area_code, ons_code, unit_id, name)
                m = Area(
                    name = name, # If committing, this will be overwritten by the m.names.update_or_create
#.........这里部分代码省略.........

    def handle_label(self,  filename, **options):
        country = Country.objects.get(code='N')
        oa_type = Type.objects.get(code='OUA')
        soa_type = Type.objects.get(code='OLF')
        name_type = NameType.objects.get(code='S')
        code_type = CodeType.objects.get(code='ons')

        current_generation = Generation.objects.current()
        new_generation = Generation.objects.new()
        if not new_generation:
            raise Exception, "No new generation to be used for import!"

        # Compile an alphabetical list of NI councils and their wards, OA codes
        # are assigned alphabetically.
        if not self.councils:
            self.councils = Area.objects.filter(type=Type.objects.get(code='LGD')).order_by('name').values()
            for lgd in self.councils:
                lges = Area.objects.filter(parent_area=lgd['id'])
                areas = []
                for lge in lges:
                    lgws = Area.objects.filter(parent_area=lge).values()
                    areas += lgws
                lgd['wards'] = sorted(areas, key=lambda x: x['name'])

        ds = DataSource(filename)
        layer = ds[0]
        layer_name = str(layer)
        for feat in layer:
            if layer_name == 'soa':
                area_type = soa_type
                ons_code = feat['SOA_CODE'].value
                name = feat['SOA_LABEL'].value.replace('_', ' ')
            elif layer_name == 'OA_ni':
                area_type = oa_type
                ons_code = feat['OA_CODE'].value
                name = 'Output Area %s' % ons_code
            else:
                raise Exception, 'Bad data passed in'

            council = ord(ons_code[2:3]) - 65
            ward = int(ons_code[4:6]) - 1
            if ward == 98: # SOA covers two wards, set parent to council, best we can do
                parent = self.councils[council]['id']
            else:
                parent = self.councils[council]['wards'][ward]['id']

            try:
                m = Area.objects.get(codes__type=code_type, codes__code=ons_code)
                if int(options['verbosity']) > 1:
                    print "  Area matched, %s" % (m, )
            except Area.DoesNotExist:
                print "  New area: %s" % (ons_code)
                m = Area(
                    name = name, # If committing, this will be overwritten by the m.names.update_or_create
                    type = area_type,
                    country = country,
                    parent_area_id = parent,
                    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
            m.parent_area_id = parent
            if options['commit']:
                m.save()

            f = feat.geom
            f.srid = 29902
            poly = [ f ]

            if options['commit']:
                m.names.update_or_create({ 'type': name_type }, { 'name': name })
            if ons_code:
                self.ons_code_to_shape[ons_code] = (m, poly)
                if options['commit']:
                    m.codes.update_or_create({ 'type': code_type }, { 'code': ons_code })

        if options['commit']:
            save_polygons(self.ons_code_to_shape)

    def handle_label(self, filename, **options):

        err = False
        for k in ['generation_id','area_type_code','name_type_code','country_code']:
            if options[k]: continue
            print "Missing argument '--%s'" % k
            err = True
        if err:
            sys.exit(1)

        generation_id = options['generation_id']
        area_type_code = options['area_type_code']
        name_type_code = options['name_type_code']
        country_code = options['country_code']
        name_field = options['name_field'] or 'Name'
        code_field = options['code_field']
        code_type_code = options['code_type']
        encoding = options['encoding'] or 'utf-8'

        if len(area_type_code)>3:
            print "Area type code must be 3 letters or fewer, sorry"
            sys.exit(1)

        if (code_field and not code_type_code) or (not code_field and code_type_code):
            print "You must specify both code_field and code_type, or neither."
            sys.exit(1)
        try:
            area_type = Type.objects.get(code=area_type_code)
        except:
            type_desc = raw_input('Please give a description for area type code %s: ' % area_type_code)
            area_type = Type(code=area_type_code, description=type_desc)
            if options['commit']: area_type.save()

        try:
            name_type = NameType.objects.get(code=name_type_code)
        except:
            name_desc = raw_input('Please give a description for name type code %s: ' % name_type_code)
            name_type = NameType(code=name_type_code, description=name_desc)
            if options['commit']: name_type.save()

        try:
            country = Country.objects.get(code=country_code)
        except:
            country_name = raw_input('Please give the name for country code %s: ' % country_code)
            country = Country(code=country_code, name=country_name)
            if options['commit']: country.save()

        if code_type_code:
            try:
                code_type = CodeType.objects.get(code=code_type_code)
            except:
                code_desc = raw_input('Please give a description for code type %s: ' % code_type_code)
                code_type = CodeType(code=code_type_code, description=code_desc)
                if options['commit']: code_type.save()

        print "Importing from %s" % filename

        if not options['commit']:
            print '(will not save to db as --commit not specified)'

        current_generation = Generation.objects.current()
        new_generation     = Generation.objects.get( id=generation_id )

        ds = DataSource(filename)
        layer = ds[0]
        for feat in layer:

            try:
                name = feat[name_field].value
            except:
                choices = ', '.join(layer.fields)
                print "Could not find name using name field '%s' - should it be something else? It will be one of these: %s. Specify which with --name_field" % (name_field, choices)
                sys.exit(1)
            try:
                name = name.decode(encoding)
            except:
                print "Could not decode name using encoding '%s' - is it in another encoding? Specify one with --encoding" % encoding
                sys.exit(1)

            name = re.sub('\s+', ' ', name)
            if not name:
                raise Exception( "Could not find a name to use for area" )

            code = None
            if code_field:
                try:
                    code = feat[code_field].value
                except:
                    choices = ', '.join(layer.fields)
                    print "Could not find code using code field '%s' - should it be something else? It will be one of these: %s. Specify which with --code_field" % (code_field, choic