refactor

hbd/utils.py

@@ -0,0 +1,36 @@
+"""Utility helpers extracted from the original script."""
+import time
+
+
+def shortname(name: str) -> str:
+    return name.split(".")[0]
+
+
+def dur(sec: int) -> str:
+    sec = int(sec)
+    h = int(sec / 3600)
+    m = int((sec - h * 3600) / 60)
+    s = int((sec - h * 3600) % 60)
+    if h > 0:
+        return "%d:%02d:%02d" % (h, m, s)
+    if m > 0:
+        return "%d:%02d" % (m, s)
+    return "0:%02d" % s
+
+
+def initlog(logfile: str):
+    """Open logfile for appending; fall back to creating it or returning stderr.
+
+    This mirrors the original behaviour from the monolithic script.
+    """
+    try:
+        return open(logfile, "a+")
+    except Exception:
+        pass
+    try:
+        return open(logfile, "w")
+    except Exception as e:
+        import sys
+
+        print(f"cannot open logfile {logfile}, using STDERR: {e}")
+        return sys.stderr