CLI can be called in offline mode without and API endpoint

codecarbon/cli/main.py

@@ -1,4 +1,5 @@
 import os
+import signal
 import sys
 import time
 from pathlib import Path
@@ -23,7 +24,7 @@
 )
 from codecarbon.core.api_client import ApiClient, get_datetime_with_timezone
 from codecarbon.core.schemas import ExperimentCreate, OrganizationCreate, ProjectCreate
-from codecarbon.emissions_tracker import EmissionsTracker
+from codecarbon.emissions_tracker import EmissionsTracker, OfflineEmissionsTracker
 
 AUTH_CLIENT_ID = os.environ.get(
     "AUTH_CLIENT_ID",
@@ -336,28 +337,55 @@ def monitor(
     api: Annotated[
         bool, typer.Option(help="Choose to call Code Carbon API or not")
     ] = True,
+    offline: Annotated[bool, typer.Option(help="Run in offline mode")] = False,
+    country_iso_code: Annotated[
+        str, typer.Option(help="3-letter country ISO code for offline mode")
+    ] = None,
+    region: Annotated[
+        str, typer.Option(help="Region/province for offline mode")
+    ] = None,
 ):
-    """Monitor your machine's carbon emissions.
+    """Monitor your machine's carbon emissions."""
+    if offline:
+        if not country_iso_code:
+            print(
+                "ERROR: country_iso_code is required for offline mode", file=sys.stderr
+            )
+            raise typer.Exit(1)
 
-    Args:
-        measure_power_secs (Annotated[int, typer.Argument, optional): Interval between two measures. Defaults to 10.
-        api_call_interval (Annotated[int, typer.Argument, optional): Number of measures before calling API. Defaults to 30.
-        api (Annotated[bool, typer.Option, optional): Choose to call Code Carbon API or not. Defaults to True.
-    """
-    experiment_id = get_existing_local_exp_id()
-    if api:
-        if experiment_id is None:
+        tracker = OfflineEmissionsTracker(
+            measure_power_secs=measure_power_secs,
+            country_iso_code=country_iso_code,
+            region=region,
+        )
+    else:
+        experiment_id = get_existing_local_exp_id()
+        if api and experiment_id is None:
             print(
                 "ERROR: No experiment id, call 'codecarbon config' first.",
                 file=sys.stderr,
             )
+            raise typer.Exit(1)
+
+        tracker = EmissionsTracker(
+            measure_power_secs=measure_power_secs,
+            api_call_interval=api_call_interval,
+            save_to_api=api,
+        )
+
+    def signal_handler(signum, frame):
+        print("\nReceived signal to stop. Saving emissions data...")
+        tracker.stop()
+        sys.exit(0)
+
+    signal.signal(signal.SIGINT, signal_handler)
+    signal.signal(signal.SIGTERM, signal_handler)
+
     print("CodeCarbon is going in an infinite loop to monitor this machine.")
-    with EmissionsTracker(
-        measure_power_secs=measure_power_secs,
-        api_call_interval=api_call_interval,
-        save_to_api=api,
-    ) as tracker:
-        # Infinite loop
+    print("Press Ctrl+C to stop and save emissions data.")
+
+    tracker.start()
+    try:
         while True:
             if (
                 hasattr(tracker, "_another_instance_already_running")
@@ -366,6 +394,10 @@ def monitor(
                 print("Another instance of CodeCarbon is already running. Exiting.")
                 break
             time.sleep(300)
+    except Exception as e:
+        print(f"\nError occurred: {e}")
+        tracker.stop()
+        raise e
 
 
 def questionary_prompt(prompt, list_options, default):

docs/edit/usage.rst

@@ -15,17 +15,17 @@ Command line
 ~~~~~~~~~~~~
 
 
-Create a minimal configuration file (just follow the prompts) : 
+Create a minimal configuration file (just follow the prompts) :
 
 .. code-block:: console
 
-  codecarbon config  
+  codecarbon config
 
 .. image:: https://asciinema.org/a/667970.svg
             :align: center
             :alt: Init config
             :target: https://asciinema.org/a/667970
-            
+
 You can use the same command to modify an existing config :
 
 .. image:: https://asciinema.org/a/667971.svg
@@ -38,12 +38,12 @@ If you want to track the emissions of a computer without having to modify your c
 
 .. code-block:: console
 
-    codecarbon monitor  
+    codecarbon monitor
 
 You have to stop the monitoring manually with ``Ctrl+C``.
 
-In the following example you will see how to use the CLI to monitor all the emissions of you computer and sending everything 
-to an API running on "localhost:8008" (Or you can start a private local API with "docker-compose up"). Using the public API with 
+In the following example you will see how to use the CLI to monitor all the emissions of you computer and sending everything
+to an API running on "localhost:8008" (Or you can start a private local API with "docker-compose up"). Using the public API with
 this is not supported yet (coming soon!)
 
 .. image:: https://asciinema.org/a/667984.svg
@@ -52,6 +52,11 @@ this is not supported yet (coming soon!)
             :target: https://asciinema.org/a/667984
 
 
+The command line could also works without internet by providing the country code like this:
+
+.. code-block:: console
+
+    codecarbon monitor --offline --country-iso-code FRA
 
 Implementing CodeCarbon in your code allows you to track the emissions of a specific block of code.