Refactor and add one-click training

tools/subprocess_utils.py

@@ -0,0 +1,33 @@
+import subprocess
+import sys
+
+from .log import logger
+
+python = sys.executable
+
+
+def run_script_with_log(cmd: list[str]) -> tuple[bool, str]:
+    logger.info(f"Running: {' '.join(cmd)}")
+    result = subprocess.run(
+        [python] + cmd,
+        stdout=sys.stdout,
+        stderr=subprocess.PIPE,
+        text=True,
+    )
+    if result.returncode != 0:
+        logger.error(f"Error: {' '.join(cmd)}")
+        print(result.stderr)
+        return False, result.stderr
+    elif result.stderr:
+        logger.warning(f"Warning: {' '.join(cmd)}")
+        print(result.stderr)
+        return True, result.stderr
+    logger.success(f"Success: {' '.join(cmd)}")
+    return True, ""
+
+
+def second_elem_of(original_function):
+    def inner_function(*args, **kwargs):
+        return original_function(*args, **kwargs)[1]
+
+    return inner_function