Add hack to suppress warnings from crispy_forms

Temporary. Should be reverted as soon as crispy_forms get corrected!

sapl/settings.py

@@ -11,6 +11,9 @@ https://docs.djangoproject.com/en/1.8/ref/settings/
 """
 from unipath import Path
 
+from .temp_suppress_crispy_form_warnings import \
+    SUPRESS_CRISPY_FORM_WARNINGS_LOGGING
+
 BASE_DIR = Path(__file__).ancestor(2)
 
 
@@ -142,3 +145,7 @@ BOWER_INSTALLED_APPS = (
     'components-font-awesome',
     'foundation-icon-fonts',
 )
+
+# hack to suppress many annoying warnings from crispy_forms
+# see sapl.temp_suppress_crispy_form_warnings
+LOGGING = SUPRESS_CRISPY_FORM_WARNINGS_LOGGING

sapl/temp_suppress_crispy_form_warnings.py

@@ -0,0 +1,22 @@
+import copy
+import logging
+
+from django.utils.log import DEFAULT_LOGGING
+
+# hack to suppress many annoying warnings from crispy_forms
+#   Do remove this file and corresponding import in settings
+#   when crispy_forms is corrected !!!
+SUPRESS_CRISPY_FORM_WARNINGS_LOGGING = copy.deepcopy(DEFAULT_LOGGING)
+SUPRESS_CRISPY_FORM_WARNINGS_LOGGING['filters']['suppress_deprecated'] = {
+    '()': 'sapl.temp_suppress_crispy_form_warnings.SuppressDeprecated'
+}
+SUPRESS_CRISPY_FORM_WARNINGS_LOGGING['handlers']['console']['filters'].append(
+    'suppress_deprecated')
+
+
+class SuppressDeprecated(logging.Filter):
+
+    def filter(self, record):
+        msg = record.getMessage()
+        return not ('crispy_forms' in msg
+                    and 'RemovedInDjango19Warning' in msg)