Add doctest to misc_utils.

[python_utils.git] / file_utils.py

diff --git a/file_utils.py b/file_utils.py
index f273ea4f9a5fe08da8c1f15e3108c65b7c33d0ea..6bcfc75db47efa6d2da2327cdd42284c589901d4 100644 (file)
--- a/file_utils.py
+++ b/file_utils.py
@@ -4,20 +4,18 @@
 
 import datetime
 import errno
+import glob
 import hashlib
+import io
 import logging
 import os
-import io
 import pathlib
 import re
 import time
-from typing import Optional
-import glob
-from os.path import isfile, join, exists
-from typing import List, TextIO
+from os.path import exists, isfile, join
+from typing import List, Optional, TextIO
 from uuid import uuid4
 
-
 logger = logging.getLogger(__name__)
 
 
@@ -332,13 +330,13 @@ def get_file_md5(filename: str) -> str:
 
 def set_file_raw_atime(filename: str, atime: float):
     mtime = get_file_raw_mtime(filename)
-    assert mtime
+    assert mtime is not None
     os.utime(filename, (atime, mtime))
 
 
 def set_file_raw_mtime(filename: str, mtime: float):
     atime = get_file_raw_atime(filename)
-    assert atime
+    assert atime is not None
     os.utime(filename, (atime, mtime))
 
 
@@ -349,9 +347,7 @@ def set_file_raw_atime_and_mtime(filename: str, ts: float = None):
         os.utime(filename, None)
 
 
-def convert_file_timestamp_to_datetime(
-    filename: str, producer
-) -> Optional[datetime.datetime]:
+def convert_file_timestamp_to_datetime(filename: str, producer) -> Optional[datetime.datetime]:
     ts = producer(filename)
     if ts is not None:
         return datetime.datetime.fromtimestamp(ts)
@@ -391,9 +387,7 @@ def get_file_mtime_age_seconds(filename: str) -> Optional[int]:
     return get_file_timestamp_age_seconds(filename, lambda x: x.st_mtime)
 
 
-def get_file_timestamp_timedelta(
-    filename: str, extractor
-) -> Optional[datetime.timedelta]:
+def get_file_timestamp_timedelta(filename: str, extractor) -> Optional[datetime.timedelta]:
     age = get_file_timestamp_age_seconds(filename, extractor)
     if age is not None:
         return datetime.timedelta(seconds=float(age))