Clean up the remote executor stuff and create a dedicated heartbeat

thread.  Fix the parallelize integration test.  Other changes that
depended on these fixes.

1 files changed, 5 insertions, 9 deletions

diff --git a/file_utils.py b/file_utils.py
index e40a9f5..9fa8fd2 100644
--- a/file_utils.py
+++ b/file_utils.py
@@ -249,9 +249,7 @@ def is_same_file(file1: str, file2: str) -> bool:
 
 
 def get_file_raw_timestamps(filename: str) -> Optional[os.stat_result]:
-    """Stats the file and returns an os.stat_result or None on error.
-
-    """
+    """Stats the file and returns an os.stat_result or None on error."""
     try:
         return os.stat(filename)
     except Exception as e:
@@ -279,9 +277,7 @@ def get_file_raw_ctime(filename: str) -> Optional[float]:
 
 
 def get_file_md5(filename: str) -> str:
-    """Hashes filename's contents and returns an MD5.
-
-    """
+    """Hashes filename's contents and returns an MD5."""
     file_hash = hashlib.md5()
     with open(filename, "rb") as f:
         chunk = f.read(8192)
@@ -371,10 +367,9 @@ def get_file_mtime_timedelta(filename: str) -> Optional[datetime.timedelta]:
     return get_file_timestamp_timedelta(filename, lambda x: x.st_mtime)
 
 
-def describe_file_timestamp(
-    filename: str, extractor, *, brief=False
-) -> Optional[str]:
+def describe_file_timestamp(filename: str, extractor, *, brief=False) -> Optional[str]:
     from datetime_utils import describe_duration, describe_duration_briefly
+
     age = get_file_timestamp_age_seconds(filename, extractor)
     if age is None:
         return None
@@ -451,4 +446,5 @@ class FileWriter(object):
 
 if __name__ == '__main__':
     import doctest
+
     doctest.testmod()