Add update valuetypes command

Bring a list of value type to edit the DB more easily

app/projects/management/commands/update_valuetype.py

@@ -0,0 +1,28 @@
+from django.core.management.base import BaseCommand, CommandError
+import pandas as pd
+from projects.models import *
+
+
+class Command(BaseCommand):
+    help = "Update the valuetype objects from /static/valuetypes_list.csv"
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--update", action="store_true", help="Update existing assets"
+        )
+
+    def handle(self, *args, **options):
+
+        update_valuetypes = options["update"]
+
+        df = pd.read_csv("static/valuetypes_list.csv")
+        valuetypes = df.to_dict(orient="records")
+        for vt_params in valuetypes:
+            qs = ValueType.objects.filter(type=vt_params["type"])
+
+            if qs.exists() is False:
+                new_valuetype = ValueType(**vt_params)
+                new_valuetype.save()
+            else:
+                if update_valuetypes is True:
+                    qs.update(**vt_params)

app/static/valuetypes_list.csv

@@ -0,0 +1,33 @@
+type,unit
+duration,year
+annuity_factor,factor
+discount,factor
+tax,factor
+crf,factor
+crate,factor of total capacity (kWh)
+age_installed,year
+soc_max,factor
+soc_min,factor
+capex_fix,currency
+opex_var,currency/unit/year
+efficiency,factor
+installed_capacity,unit
+lifetime,year
+maximum_capacity,kW
+energy_price,currency/kWh
+feedin_tariff,currency/kWh
+optimize_cap,bool
+peak_demand_pricing,currency/kW
+peak_demand_pricing_period,"times per year (1,2,3,4,6,12)"
+renewable_share,factor
+capex_var,currency/unit
+opex_fix,currency/year
+specific_costs_om,currency/year
+input_timeseries,kWh
+evaluated_period,days
+renewable_asset,bool
+thermal_loss_rate,factor
+efficiency_multiple,factor
+beta,factor
+fixed_thermal_losses_relative,factor
+fixed_thermal_losses_absolute,kWh