Little refactor of date parsing

gargantext/util/dates.py

@@ -2,6 +2,7 @@ import os
 from gargantext.settings import MEDIA_ROOT
 
 from datetime import MINYEAR
+from dateutil.parser import parse as parse_datetime_flexible
 from django.utils.dateparse import parse_datetime
 from django.utils.timezone import datetime as _datetime, utc as UTC, now as utcnow
 
@@ -19,7 +20,8 @@ class datetime(_datetime):
 
     @staticmethod
     def parse(s):
-        dt = parse_datetime(s)
+        dt = parse_datetime(s) or \
+             parse_datetime_flexible(s, default=datetime(MINYEAR, 1, 1))
         return dt.astimezone(UTC) if dt.tzinfo else dt.replace(tzinfo=UTC)
 
 

gargantext/util/parsers/_Parser.py

@@ -3,10 +3,7 @@ import zipfile
 import re
 import dateparser as date_parser
 from gargantext.util.languages import languages
-from gargantext.util import datetime, convert_to_datetime, MINYEAR
-
-
-DEFAULT_DATE = datetime(MINYEAR, 1, 1)
+from gargantext.util import datetime, convert_to_datetime
 
 
 class Parser:
@@ -47,10 +44,7 @@ class Parser:
         if date_string is not None:
             date_string = re.sub(r'\/\/+(\w*|\d*)', '', date_string)
             try:
-                hyperdata['publication_date'] = dateutil.parser.parse(
-                    date_string,
-                    default=DEFAULT_DATE
-                )
+                hyperdata['publication_date'] = datetime.parse(date_string)
             except Exception as error:
                 print(error, 'Date not parsed for:', date_string)
                 hyperdata['publication_date'] = datetime.now()