refine logging

scripts/capture_csv.py

@@ -48,6 +48,8 @@ def enable_dryer_logging(ser, retries: int = 3) -> None:
                 return
             if line.startswith("csv,"):
                 return
+            if line:
+                print(line)
         time.sleep(0.5 * (attempt + 1))
     print("WARN: did not see 'OK csv logging on' — continuing anyway", file=sys.stderr)
 
@@ -78,12 +80,6 @@ def main() -> int:
         default=True,
         help="Send 'log on' to the dryer after connect (default: on)",
     )
-    parser.add_argument(
-        "-v",
-        "--verbose",
-        action="store_true",
-        help="Echo captured CSV rows to stdout; other serial lines to stderr",
-    )
     args = parser.parse_args()
 
     port = args.port
@@ -131,32 +127,24 @@ def main() -> int:
 
             line = raw.decode("utf-8", errors="replace").strip()
             if not line.startswith("csv_hdr,") and not line.startswith("csv,"):
-                if args.verbose and line:
-                    print(line, file=sys.stderr)
+                if line:
+                    print(line)
                 continue
 
             if line.startswith("csv_hdr,"):
                 device_header = line[len("csv_hdr,") :]
-                row = "wall_time," + device_header
-                fh.write(row + "\n")
+                fh.write("wall_time," + device_header + "\n")
                 header_written = True
                 fh.flush()
-                if args.verbose:
-                    print(row)
                 continue
 
             if not header_written:
                 fh.write(FALLBACK_HEADER + "\n")
                 header_written = True
-                if args.verbose:
-                    print(FALLBACK_HEADER)
 
             wall_time = datetime.now(timezone.utc).isoformat(timespec="seconds")
-            row = wall_time + "," + line[len("csv,") :]
-            fh.write(row + "\n")
+            fh.write(wall_time + "," + line[len("csv,") :] + "\n")
             fh.flush()
-            if args.verbose:
-                print(row)
 
 
 if __name__ == "__main__":