feat: add update command to manage.py

pytition/petition/management/commands/update.py

@@ -0,0 +1,38 @@
+import subprocess
+from functools import partial
+from django.core.management.base import BaseCommand
+from django.conf import settings
+from pathlib import Path
+import os
+
+run = partial(subprocess.run, shell=True, check=True)
+
+
+class Command(BaseCommand):
+    """Update pytition install
+    """
+
+    def handle(self, *args, **options):
+        try:
+            git_path = Path(settings.BASE_DIR).parent
+            os.chdir(git_path)
+            run("git checkout master && git pull")
+
+            version_cmd = "curl -s https://api.github.com/repos/pytition/pytition/releases/latest | grep 'tag_name' | cut -d : -f2,3 | tr -d \\\" | tr -d ,"
+            version = run(version_cmd, capture_output=True).stdout.decode().strip()
+
+            checkout_cmd = f"git checkout {version}"
+            run(checkout_cmd)
+
+            run("pip3 install --upgrade -r requirements.txt")
+
+            os.chdir(settings.BASE_DIR)
+            run("python3 manage.py migrate")
+            run("python3 manage.py collectstatic --no-input")
+            run("python3 manage.py compilemessages")
+        except subprocess.CalledProcessError as e:
+            print(e)
+            if e.stdout != None:
+                print(f"stdout: {e.stdout}")
+            if e.stderr != None:
+                print(f"stderr:{e.stderr}")