fix admin license field date_to

Makefile

@@ -1,4 +1,4 @@
-.PHONY: all help build virtualenv requirements-local loaddata run migrate shell collectstatic clean worker qa update-develop
+.PHONY: all help build virtualenv requirements-local loaddata run migrate shell collectstatic clean worker qa update-develop upgrade-develop
 
 # target: all - Default target. Does nothing.
 all:
@@ -74,7 +74,12 @@ worker:
 qa:
 	pytest
 
-# target: update-develop - Run push change in repo develop branch and deploy for develop server
+# target: update-develop - Run push change in repo develop branch and deploy for develop server with restart only web container
 update-develop:
 	git push origin develop
 	fab update
+
+# target: upgrade-develop - Run push change in repo develop branch and deploy for develop server with rebuild container
+upgrade-develop:
+	git push origin develop
+	fab upgrade

fabfile.py

@@ -17,14 +17,32 @@ def pull():
 
 
 @task
-def docker_update():
+def docker_rebuild():
     with cd(PROJECT_DIR):
         run('docker-compose build')
         run('docker-compose down')
         run('docker-compose up -d')
 
 
+@task
+def docker_restart():
+    with cd(PROJECT_DIR):
+        run('docker-compose restart web')
+
+
+@task
+def docker_bash():
+    with cd(PROJECT_DIR):
+        sudo('docker-compose exec web bash')
+
+
+@task
+def upgrade():
+    pull()
+    docker_rebuild()
+
+
 @task
 def update():
     pull()
-    docker_update()
+    docker_restart()

src/customer/admin.py

@@ -47,10 +47,10 @@ class LicenseAdmin(admin.ModelAdmin):
     license_owner.short_description = 'Компания'
 
     def balance_days(self, obj):
-        try:
+        if obj.date_to:
             delta = obj.date_to - timezone.now().date()
             return delta.days
-        except AttributeError:
+        else:
             return '-'
 
     balance_days.short_description = 'Остаток дней'