Moved the period parser from the accounting application to the Mia core application.

accounting/views.py

@@ -29,7 +29,7 @@ from django.views import generic
 from django.views.decorators.http import require_GET
 
 from accounting.models import Record
-from accounting.utils import PeriodParser
+from mia_core.period import PeriodParser
 from mia import settings
 from mia_core.digest_auth import digest_login_required
 from mia_core.utils import UrlBuilder, Pagination, \

mia_core/period.py

@@ -15,16 +15,17 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
-"""The utilities of the accounting application.
+"""The utilities of the period chooser of the Mia core application.
 
 """
+
 import re
-from datetime import date
+from datetime import date, timedelta
 
 from django.template import defaultfilters
 from django.utils import dateformat
-from django.utils.timezone import localdate, timedelta
-from django.utils.translation import pgettext, gettext
+from django.utils.timezone import localdate
+from django.utils.translation import gettext, pgettext
 
 
 class PeriodParser: