fix(cli): use OfflineEmissionsTracker for offline monitor runs

When monitor delegates to run_and_monitor with --offline, country_iso_code
was passed to EmissionsTracker and rejected by BaseEmissionsTracker.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: davidberenstein1957

codecarbon/cli/monitor.py

@@ -8,7 +8,7 @@
 from rich import print
 from typing_extensions import Annotated
 
-from codecarbon.emissions_tracker import EmissionsTracker
+from codecarbon.emissions_tracker import EmissionsTracker, OfflineEmissionsTracker
 
 
 def run_and_monitor(
@@ -63,8 +63,12 @@ def run_and_monitor(
         )
         raise typer.Exit(1)
 
-    # Initialize tracker with specified logging level and shared args
-    tracker = EmissionsTracker(
+    tracker_cls = (
+        OfflineEmissionsTracker
+        if "country_iso_code" in tracker_args
+        else EmissionsTracker
+    )
+    tracker = tracker_cls(
         log_level=log_level,
         save_to_logger=False,
         tracking_mode="process",

tests/cli/test_monitor.py

@@ -60,6 +60,36 @@ def __init__(self, command, text=True):
     assert exc_info.value.exit_code == 1
 
 
+def test_run_and_monitor_uses_offline_tracker_when_country_iso_code_set(monkeypatch):
+    captured = {}
+
+    class FakeOfflineTracker(FakeTracker):
+        def __init__(self, **kwargs):
+            captured["kwargs"] = kwargs
+            super().__init__()
+
+    class FakePopen:
+        def __init__(self, command, text=True):
+            pass
+
+        def wait(self):
+            return 0
+
+    monkeypatch.setattr(monitor_module, "OfflineEmissionsTracker", FakeOfflineTracker)
+    monkeypatch.setattr(monitor_module, "EmissionsTracker", FakeTracker)
+    monkeypatch.setattr(monitor_module.subprocess, "Popen", FakePopen)
+    monkeypatch.setattr(monitor_module, "print", lambda *args, **kwargs: None)
+
+    with pytest.raises(typer.Exit) as exc_info:
+        monitor_module.run_and_monitor(
+            SimpleNamespace(args=["echo", "hi"]),
+            country_iso_code="FRA",
+        )
+
+    assert exc_info.value.exit_code == 0
+    assert captured["kwargs"]["country_iso_code"] == "FRA"
+
+
 def test_run_and_monitor_handles_keyboard_interrupt(monkeypatch):
     process_info = {"terminated": 0, "killed": 0}