add markup metadata to sig; reparse sigs on init

app/migrations.py

@@ -5,12 +5,17 @@ def migrate_old_avatars():
         new_path = f"/static{avatar['file_path']}"
         db.execute('UPDATE avatars SET file_path = ? WHERE id = ?', new_path, avatar['id'])
 
+def add_signature_format():
+    db.execute('ALTER TABLE "users" ADD COLUMN "signature_markup_language" TEXT NOT NULL DEFAULT "babycode"')
+    db.execute('ALTER TABLE "users" ADD COLUMN "signature_format_version" INTEGER DEFAULT NULL')
+
 # format: [str|tuple(str, any...)|callable]
 MIGRATIONS = [
     migrate_old_avatars,
     'DELETE FROM sessions', # delete old lua porom sessions
     'ALTER TABLE "users" ADD COLUMN "invited_by" INTEGER REFERENCES users(id)', # invitation system
     'ALTER TABLE "post_history" ADD COLUMN "format_version" INTEGER DEFAULT NULL',
+    add_signature_format,
 ]
 
 def run_migrations():