feat: show elapsed time after model downloads

Print "Done in Xs" / "Xm Ys" / "Xh Ym Zs" after successful model
downloads, covering both the httpx/aria2 and HuggingFace Hub paths.

Closes #421

Author: bigcat88

comfy_cli/command/models/models.py

@@ -1,6 +1,7 @@
 import contextlib
 import os
 import pathlib
+import time
 from typing import Annotated
 from urllib.parse import parse_qs, unquote, urlparse
 
@@ -33,6 +34,17 @@ def get_workspace() -> pathlib.Path:
     return pathlib.Path(workspace_manager.workspace_path)
 
 
+def _format_elapsed(seconds: float) -> str:
+    """Format elapsed seconds into a human-readable string."""
+    if seconds < 60:
+        return f"{seconds:.1f}s"
+    minutes, secs = divmod(int(seconds), 60)
+    if minutes < 60:
+        return f"{minutes}m {secs}s"
+    hours, minutes = divmod(minutes, 60)
+    return f"{hours}h {minutes}m {secs}s"
+
+
 def potentially_strip_param_url(path_name: str) -> str:
     return path_name.split("?")[0]
 
@@ -307,6 +319,8 @@ def download(
         print(f"[bold red]File already exists: {local_filepath}[/bold red]")
         return
 
+    start_time = time.monotonic()
+
     if is_huggingface_url and check_unauthorized(url, headers):
         if hf_api_token is None:
             print(
@@ -341,6 +355,9 @@ def download(
         print(f"Start downloading URL: {url} into {local_filepath}")
         download_file(url, local_filepath, headers, downloader=resolved_downloader)
 
+    elapsed = time.monotonic() - start_time
+    print(f"Done in {_format_elapsed(elapsed)}")
+
 
 @app.command()
 @tracking.track_command("model")

tests/comfy_cli/command/models/test_models.py

@@ -4,7 +4,7 @@
 import typer.testing
 
 from comfy_cli import constants
-from comfy_cli.command.models.models import app, check_civitai_url, check_huggingface_url, list_models
+from comfy_cli.command.models.models import _format_elapsed, app, check_civitai_url, check_huggingface_url, list_models
 
 
 def _make_model_tree(tmp_path: pathlib.Path) -> pathlib.Path:
@@ -307,6 +307,27 @@ def test_huggingface_url_with_folder_structure():
     )
 
 
+
+class TestFormatElapsed:
+    def test_under_one_minute(self):
+        assert _format_elapsed(5.3) == "5.3s"
+
+    def test_fractional_seconds(self):
+        assert _format_elapsed(0.4) == "0.4s"
+
+    def test_exactly_sixty_seconds(self):
+        assert _format_elapsed(60) == "1m 0s"
+
+    def test_minutes_and_seconds(self):
+        assert _format_elapsed(154) == "2m 34s"
+
+    def test_over_one_hour(self):
+        assert _format_elapsed(3661) == "1h 1m 1s"
+
+    def test_large_duration(self):
+        assert _format_elapsed(7384) == "2h 3m 4s"
+
+
 # ---------------------------------------------------------------------------
 # --downloader CLI option tests
 # ---------------------------------------------------------------------------
@@ -327,7 +348,7 @@ def test_downloader_flag_forwarded(self, tmp_path):
             patch("comfy_cli.tracking.track_command", lambda _cmd: lambda fn: fn),
         ):
             mock_ui.prompt_input.side_effect = ["mymodel.bin", ""]
-            runner.invoke(
+            result = runner.invoke(
                 app,
                 [
                     "download",
@@ -343,6 +364,7 @@ def test_downloader_flag_forwarded(self, tmp_path):
             assert mock_dl.called
             _, kwargs = mock_dl.call_args
             assert kwargs.get("downloader") == "aria2"
+            assert "Done in " in result.output
 
     def test_default_from_config(self, tmp_path):
         """Config default_downloader is used when no --downloader flag."""