Added setupcronbeat command

orchestra/contrib/tasks/management/commands/setupcronbeat.py

@@ -0,0 +1,25 @@
+import os
+
+from django.core.management.base import BaseCommand, CommandError
+
+from orchestra.utils.paths import get_site_dir
+from orchestra.utils.sys import run
+
+
+class Command(BaseCommand):
+    help = 'Runs periodic tasks.'
+    
+    def handle(self, *args, **options):
+        context = {
+            'site_dir': get_site_dir(),
+            'orchestra_beat': run('which orchestra-beat').stdout.decode('utf8'),
+            'venv': os.environ.get('VIRTUAL_ENV', ''),
+        }
+        content = run('crontab -l').stdout.decode('utf8')
+        if 'orchestra-beat' not in content:
+            if context['venv']:
+                content += "* * * * * . %(venv)s/bin/activate && %(orchestra_beat)s %(site_dir)s/manage.py; deactivate" % context
+            else:
+                content += "* * * * * %(orchestra_beat)s %(site_dir)s/manage.py" % context
+            context['content'] = content
+            run("echo '%(content)s' | crontab" % context, display=True)