continue migration: make website working

aircox/converters.py

@@ -0,0 +1,48 @@
+import datetime
+
+from django.utils.safestring import mark_safe
+from django.urls.converters import StringConverter
+
+
+class PagePathConverter(StringConverter):
+    """ Match path for pages, including surrounding slashes. """
+    regex = r'/?|([-_a-zA-Z0-9]+/)*?'
+
+    def to_python(self, value):
+        if not value or value[0] != '/':
+            value = '/' + value
+        if len(value) > 1 and value[-1] != '/':
+            value = value + '/'
+        return value
+
+    def to_url(self, value):
+        if value[0] == '/':
+            value = value[1:]
+        if value[-1] != '/':
+            value = value + '/'
+        return mark_safe(value)
+
+
+class WeekConverter:
+    """ Converter for date as YYYYY/WW """
+    regex = r'[0-9]{4}/[0-9]{2}'
+
+    def to_python(self, value):
+        return datetime.datetime.strptime(value + '/1', '%G/%V/%u').date()
+
+    def to_url(self, value):
+        return '{:04d}/{:02d}'.format(*value.isocalendar())
+
+
+class DateConverter:
+    """ Converter for date as YYYY/MM/DD """
+    regex = r'[0-9]{4}/[0-9]{2}/[0-9]{2}'
+
+    def to_python(self, value):
+        value = value.split('/')
+        return datetime.date(int(value[0]), int(value[1]), int(value[2]))
+
+    def to_url(self, value):
+        return '{:04d}/{:02d}/{:02d}'.format(value.year, value.month,
+                                             value.day)
+