Flatten phone number completely. Advances #105.

biscuit/core/anonymizers.py

+import re
+
 from hattori.base import BaseAnonymizer, faker
 
 from .models import Person
 
 
+def flattened_phonenumber(**kwargs):
+    pn = faker.phone_number(**kwargs)
+    pn = pn.replace('(0)', '')
+    pn = re.sub('[^0-9]', '', pn)
+    return pn
+
+
 class PersonAnonymizer(BaseAnonymizer):
     model = Person
 
@@ -15,7 +24,7 @@ class PersonAnonymizer(BaseAnonymizer):
         ('housenumber', faker.building_number),
         ('postal_code', faker.postcode),
         ('place', faker.city),
-        ('phone_number', lambda **kwargs: faker.phone_number(**kwargs).replace('(0)', '')),
+        ('phone_number', flattened_phonenumber),
         ('mobile_number', ''),
         ('email', faker.email),
         ('date_of_birth', lambda **kwargs: faker.date_of_birth(minimum_age=8, maximum_age=66, **kwargs)),