add global debug flag

dlt/cli/_dlt.py

@@ -11,9 +11,9 @@
     deploy_command_wrapper,
     telemetry_change_status_command_wrapper,
 )
+from dlt.cli import debug
 
 
-DEBUG_FLAG = False
 ACTION_EXECUTED = False
 
 
@@ -88,9 +88,8 @@ def __call__(
         values: Any,
         option_string: str = None,
     ) -> None:
-        global DEBUG_FLAG
         # will show stack traces (and maybe more debug things)
-        DEBUG_FLAG = True
+        debug.enable_debug()
 
 
 def main() -> int:

dlt/cli/command_wrappers.py

@@ -23,6 +23,7 @@
     change_telemetry_status_command,
     telemetry_status_command,
 )
+from dlt.cli import debug
 
 try:
     from dlt.cli import deploy_command
@@ -33,13 +34,11 @@
 except ModuleNotFoundError:
     pass
 
-DEBUG_FLAG = False
-
 
 def on_exception(ex: Exception, info: str) -> None:
     click.secho(str(ex), err=True, fg="red")
     fmt.note("Please refer to %s for further assistance" % fmt.bold(info))
-    if DEBUG_FLAG:
+    if debug.is_debug_enabled():
         raise ex
 
 

dlt/cli/debug.py

@@ -0,0 +1,18 @@
+"""Provides a global debug setting for the CLI"""
+
+_DEBUG_FLAG = False
+
+
+def enable_debug() -> None:
+    global _DEBUG_FLAG
+    _DEBUG_FLAG = True
+
+
+def disable_debug() -> None:
+    global _DEBUG_FLAG
+    _DEBUG_FLAG = False
+
+
+def is_debug_enabled() -> bool:
+    global _DEBUG_FLAG
+    return _DEBUG_FLAG

tests/cli/common/test_cli_invoke.py

@@ -86,9 +86,9 @@ def test_invoke_pipeline(script_runner: ScriptRunner) -> None:
         assert "LoadPackageNotFound" in result.stderr
     finally:
         # reset debug flag so other tests may pass
-        from dlt.cli import _dlt
+        from dlt.cli import debug
 
-        _dlt.DEBUG_FLAG = False
+        debug.disable_debug()
 
 
 def test_invoke_init_chess_and_template(script_runner: ScriptRunner) -> None: