Add ability to skip the SQLite auto db in combined_run

Signed-off-by: tdruez <[email protected]>

Author: tdruez

scancodeio/__init__.py

@@ -106,6 +106,9 @@ def combined_run():
     configuration.
     It combines the creation, execution, and result retrieval of the project into a
     single process.
+
+    Set SCANCODEIO_NO_AUTO_DB=1 to use the database configuration from the settings
+    instead of SQLite.
     """
     from django.core.checks.security.base import SECRET_KEY_INSECURE_PREFIX
     from django.core.management import execute_from_command_line
@@ -114,10 +117,12 @@ def combined_run():
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "scancodeio.settings")
     secret_key = SECRET_KEY_INSECURE_PREFIX + get_random_secret_key()
     os.environ.setdefault("SECRET_KEY", secret_key)
-    os.environ.setdefault("SCANCODEIO_DB_ENGINE", "django.db.backends.sqlite3")
-    os.environ.setdefault("SCANCODEIO_DB_NAME", "scancodeio.sqlite3")
-    # Disable multiprocessing
-    os.environ.setdefault("SCANCODEIO_PROCESSES", "0")
+
+    # Default to SQLite unless SCANCODEIO_NO_AUTO_DB is provided
+    if not os.getenv("SCANCODEIO_NO_AUTO_DB"):
+        os.environ.setdefault("SCANCODEIO_DB_ENGINE", "django.db.backends.sqlite3")
+        os.environ.setdefault("SCANCODEIO_DB_NAME", "scancodeio.sqlite3")
+        os.environ.setdefault("SCANCODEIO_PROCESSES", "0")  # Disable multiprocessing
 
     sys.argv.insert(1, "run")
     execute_from_command_line(sys.argv)