fix: parse the dates in a locale-agnostic manner

fixes eyeonus#149

tradedangerous/plugins/eddblink_plug.py

@@ -12,39 +12,18 @@
 import certifi
 import csv
 import datetime
+from email.utils import parsedate_to_datetime
 import os
 import requests
 import sqlite3
 import ssl
 import typing
-import locale
-import platform
 
 
 if typing.TYPE_CHECKING:
     from typing import Optional
     from .. tradeenv import TradeEnv
 
-# Find the first English UTF-8 locale for use in parsing timestamps.
-LOCALE = None
-if platform.system() == 'Windows':
-    for lang in locale.windows_locale.values():
-        if "en" in lang:
-            LOCALE = lang
-            break
-else:
-    # for other operating systems
-    for lang in locale.locale_alias.values():
-        if "en" in lang and "UTF-8" in lang:
-            LOCALE = lang
-            break
-if not LOCALE:
-    raise PluginException(
-        "Unable to find compatible locale.\n" +
-        "This plugin needs an English, UTF-8 compatible " +
-        "locale installed in order to function correctly.\n" + 
-        "Please refer to your OS for instructions installing one."
-    )
 # Constants
 BASE_URL = os.environ.get('TD_SERVER') or "https://elite.tromador.com/files/"
 CONTEXT=ssl.create_default_context(cafile=certifi.where())
@@ -188,10 +167,8 @@ def downloadFile(self, path):
             self.tdenv.WARN("Problem with download:\n    URL: {}\n    Error: {}", url, str(e))
             return False
 
-        locale.setlocale(locale.LC_ALL, LOCALE)
         last_modified = response.headers.get("last-modified")
-        dump_mod_time = datetime.datetime.strptime(last_modified, "%a, %d %b %Y %H:%M:%S %Z").timestamp()
-        locale.setlocale(locale.LC_ALL, '')
+        dump_mod_time = parsedate_to_datetime(last_modified).timestamp()
 
         if Path.exists(localPath):
             local_mod_time = localPath.stat().st_mtime
@@ -352,8 +329,6 @@ def importListings(self, listings_file):
         self.tdenv.NOTE("Finished processing market data. End time = {}", self.now())
 
     def run(self):
-        self.tdenv.DEBUG2(f'Using "{LOCALE}" locale for parsing modified timestamps. Please include this information in any error reports.')
-
         self.tdenv.ignoreUnknown = True
 
         # Create the /eddb folder for downloading the source files if it doesn't exist.