Pass empty library dirs to dry run the pipe that just got built

Author: lchoquel

pipelex/cli/commands/build/pipe_cmd.py

@@ -164,14 +164,6 @@ def build_pipe_cmd(
             help="Override config: include or exclude full serialized data in graphs (requires --graph)",
         ),
     ] = None,
-    library_dir: Annotated[
-        list[str] | None,
-        typer.Option(
-            "--library-dir",
-            "-L",
-            help="Directory to search for pipe definitions (.plx files). Can be specified multiple times.",
-        ),
-    ] = None,
 ) -> None:
     make_pipelex_for_cli(context=ErrorContext.VALIDATION_BEFORE_BUILD_PIPE)
 
@@ -302,6 +294,8 @@ async def run_pipeline():
                     save_text_to_path(text="", path=init_path)
                     typer.secho(f"✅ Package init file saved to: {init_path}", fg=typer.colors.GREEN)
 
+                    get_report_delegate().generate_report()
+
                     # Generate graphs if it was tracked during the build process
                     if builder_graph_spec:
                         typer.secho("\n📊 Generating graphs...", fg=typer.colors.CYAN)
@@ -322,11 +316,13 @@ async def run_pipeline():
                         try:
                             built_pipe_execution_config = execution_config.with_graph_config_overrides(mock_inputs=True)
 
+                            # pass empty library_dirs to avoid loading any libraries set at env var or instance level:
+                            # we don't want any other pipeline to interfere with the pipeline we just built
                             built_pipe_output = await execute_pipeline(
                                 plx_content=plx_content,
                                 pipe_run_mode=PipeRunMode.DRY,
                                 execution_config=built_pipe_execution_config,
-                                library_dirs=library_dir,
+                                library_dirs=[],
                             )
                             if built_pipe_output.graph_spec:
                                 pipeline_graph_dir = graphs_dir / "pipeline_graph"
@@ -339,7 +335,7 @@ async def run_pipeline():
                                 )
                                 if pipeline_graph_count > 0:
                                     typer.secho(
-                                        f"📊 {pipeline_graph_count} pipeline graph outputs saved to: {pipeline_graph_dir}",
+                                        f"📊 {pipeline_graph_count} built pipeline graph outputs saved to: {pipeline_graph_dir}",
                                         fg=typer.colors.CYAN,
                                     )
                         except Exception as graph_exc:
@@ -348,8 +344,6 @@ async def run_pipeline():
                     end_time = time.time()
                     typer.secho(f"\n✅ Pipeline built in {end_time - start_time:.2f} seconds\n", fg=typer.colors.WHITE)
 
-                    get_report_delegate().generate_report()
-
                     # Show how to run the pipe
                     console = get_console()
                     console.print("\n📋 [cyan]To run your pipeline:[/cyan]")