Use a locale-independent list of month names

astropy · Nov 25, 2020 · 5e32975 · 5e32975
1 parent 113573f
commit 5e32975
Showing 1 changed file with 7 additions and 9 deletions.
diff --git a/astropy/utils/iers/iers.py b/astropy/utils/iers/iers.py
@@ -10,7 +10,6 @@
 """
 
 import re
-import locale
 from datetime import datetime
 from warnings import warn
 from urllib.parse import urlparse
@@ -77,6 +76,9 @@
   conf.auto_max_age = None
 """
 
+MONTH_NAMES = ['January', 'February', 'March', 'April', 'May', 'June', 'July',
+               'August', 'September', 'October', 'November', 'December']
+
 
 def download_file(*args, **kwargs):
     """
@@ -1026,20 +1028,16 @@ def expires(self):
     def _read_leap_seconds(cls, file, **kwargs):
         """Read a file, identifying expiration by matching 'File expires'"""
         expires = None
-        current = locale.setlocale(locale.LC_TIME)
         # Find expiration date.
         with get_readable_fileobj(file) as fh:
             lines = fh.readlines()
             for line in lines:
                 match = cls._re_expires.match(line)
                 if match:
-                    try:
-                        locale.setlocale(locale.LC_TIME, 'C')
-                        expires = Time.strptime(match.groups()[0], '%d %B %Y',
-                                                scale='tai', format='iso',
-                                                out_subfmt='date')
-                    finally:
-                        locale.setlocale(locale.LC_TIME, current)
+                    day, month, year = match.groups()[0].split()
+                    month_nb = MONTH_NAMES.index(month) + 1
+                    expires = Time(f'{year}-{month_nb:02d}-{day}',
+                                   scale='tai', out_subfmt='date')
                     break
             else:
                 raise ValueError(f'did not find expiration date in {file}')