Round timestamped paths to entire seconds.

Round away the milliseconds, as those aren't all that interesting.
Uniqueness is ensured by calling _unique_path().

flamenco_worker/runner.py

@@ -294,7 +294,10 @@ def _timestamped_path(path: Path) -> Path:
     from datetime import datetime
 
     mtime = path.stat().st_mtime
-    mdatetime = datetime.fromtimestamp(mtime)
+
+    # Round away the milliseconds, as those aren't all that interesting.
+    # Uniqueness is ensured by calling _unique_path().
+    mdatetime = datetime.fromtimestamp(round(mtime))
 
     # Make the ISO-8601 timestamp a bit more eye- and filename-friendly.
     iso = mdatetime.isoformat().replace('T', '_').replace(':', '')

tests/test_runner_move_to_final.py

@@ -49,7 +49,7 @@ class MoveToFinalTest(AbstractCommandTest):
         (dest / 'dest-subdir').mkdir()
         (dest / 'dest-subdir' / 'sub-contents').touch()
 
-        os.utime(str(dest), (1330712280, 1330712292))  # fixed (atime, mtime) for testing
+        os.utime(str(dest), (1330712280.01, 1330712292.02))  # fixed (atime, mtime) for testing
 
         # Run the command.
         task = self.cmd.run({'src': str(src), 'dest': str(dest)})