Add import_vat_rates management command

hosting/management/commands/import_vat_rates.py

@@ -0,0 +1,44 @@
+from django.core.management.base import BaseCommand
+import csv
+from hosting.models import VATRates
+
+
+class Command(BaseCommand):
+    help = '''Imports VAT Rates. Assume vat rates of format https://github.com/kdeldycke/vat-rates/blob/master/vat_rates.csv'''
+
+    def add_arguments(self, parser):
+        parser.add_argument('csv_file', nargs='+', type=str)
+
+    def handle(self, *args, **options):
+        try:
+            for c_file in options['csv_file']:
+                print("c_file =  %s" % c_file)
+                with open(c_file, mode='r') as csv_file:
+                    csv_reader = csv.DictReader(csv_file)
+                    line_count = 0
+                    for row in csv_reader:
+                        if line_count == 0:
+                            line_count += 1
+                        obj, created = VATRates.objects.get_or_create(
+                            start_date=row["start_date"],
+                            stop_date=row["stop_date"] if row["stop_date"] is not "" else None,
+                            territory_codes=row["territory_codes"],
+                            currency_code=row["currency_code"],
+                            rate=row["rate"],
+                            rate_type=row["rate_type"],
+                            description=row["description"]
+                        )
+                        if created:
+                            self.stdout.write(self.style.SUCCESS(
+                                '%s. %s - %s - %s - %s' % (
+                                    line_count,
+                                    obj.start_date,
+                                    obj.stop_date,
+                                    obj.territory_codes,
+                                    obj.rate
+                                )
+                            ))
+                            line_count+=1
+
+        except Exception as e:
+            print(" *** Error occurred. Details {}".format(str(e)))