It makes sense that when you subclass an existing model field, you're often

going to be using the same database column type. Made that properly
inheritable (previously it was using the class name), at the cost of a little
more verboseness.

This is very slightly backwards incompatible (for subclasses of existing fields
that were relying on the old default).

Fixed #6556.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7133 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/fields/__init__.py

@@ -447,6 +447,9 @@ class BooleanField(Field):
         kwargs['blank'] = True
         Field.__init__(self, *args, **kwargs)
 
+    def get_internal_type(self):
+        return "BooleanField"
+
     def to_python(self, value):
         if value in (True, False): return value
         if value in ('t', 'True', '1'): return True
@@ -465,6 +468,9 @@ class CharField(Field):
     def get_manipulator_field_objs(self):
         return [oldforms.TextField]
 
+    def get_internal_type(self):
+        return "CharField"
+
     def to_python(self, value):
         if isinstance(value, basestring):
             return value
@@ -495,6 +501,9 @@ class DateField(Field):
             kwargs['blank'] = True
         Field.__init__(self, verbose_name, name, **kwargs)
 
+    def get_internal_type(self):
+        return "DateField"
+
     def to_python(self, value):
         if value is None:
             return value
@@ -564,6 +573,9 @@ class DateField(Field):
         return super(DateField, self).formfield(**defaults)
 
 class DateTimeField(DateField):
+    def get_internal_type(self):
+        return "DateTimeField"
+
     def to_python(self, value):
         if value is None:
             return value
@@ -634,6 +646,9 @@ class DecimalField(Field):
         self.max_digits, self.decimal_places = max_digits, decimal_places
         Field.__init__(self, verbose_name, name, **kwargs)
 
+    def get_internal_type(self):
+        return "DecimalField"
+
     def to_python(self, value):
         if value is None:
             return value
@@ -693,9 +708,6 @@ class EmailField(CharField):
         kwargs['max_length'] = kwargs.get('max_length', 75)
         CharField.__init__(self, *args, **kwargs)
 
-    def get_internal_type(self):
-        return "CharField"
-
     def get_manipulator_field_objs(self):
         return [oldforms.EmailField]
 
@@ -713,6 +725,9 @@ class FileField(Field):
         kwargs['max_length'] = kwargs.get('max_length', 100)
         Field.__init__(self, verbose_name, name, **kwargs)
 
+    def get_internal_type(self):
+        return "FileField"
+
     def get_db_prep_save(self, value):
         "Returns field's value prepared for saving into a database."
         # Need to convert UploadedFile objects provided via a form to unicode for database insertion
@@ -822,12 +837,18 @@ class FilePathField(Field):
     def get_manipulator_field_objs(self):
         return [curry(oldforms.FilePathField, path=self.path, match=self.match, recursive=self.recursive)]
 
+    def get_internal_type(self):
+        return "FilePathField"
+
 class FloatField(Field):
     empty_strings_allowed = False
 
     def get_manipulator_field_objs(self):
         return [oldforms.FloatField]
 
+    def get_internal_type(self):
+        return "FloatField"
+
     def formfield(self, **kwargs):
         defaults = {'form_class': forms.FloatField}
         defaults.update(kwargs)
@@ -850,6 +871,9 @@ class ImageField(FileField):
         if not self.height_field:
             setattr(cls, 'get_%s_height' % self.name, curry(cls._get_FIELD_height, field=self))
 
+    def get_internal_type(self):
+        return "ImageField"
+
     def save_file(self, new_data, new_object, original_object, change, rel, save=True):
         FileField.save_file(self, new_data, new_object, original_object, change, rel, save)
         # If the image has height and/or width field(s) and they haven't
@@ -872,6 +896,9 @@ class IntegerField(Field):
     def get_manipulator_field_objs(self):
         return [oldforms.IntegerField]
 
+    def get_internal_type(self):
+        return "IntegerField"
+
     def formfield(self, **kwargs):
         defaults = {'form_class': forms.IntegerField}
         defaults.update(kwargs)
@@ -886,6 +913,9 @@ class IPAddressField(Field):
     def get_manipulator_field_objs(self):
         return [oldforms.IPAddressField]
 
+    def get_internal_type(self):
+        return "IPAddressField"
+
     def validate(self, field_data, all_data):
         validators.isValidIPAddress4(field_data, None)
 
@@ -900,6 +930,9 @@ class NullBooleanField(Field):
         kwargs['null'] = True
         Field.__init__(self, *args, **kwargs)
 
+    def get_internal_type(self):
+        return "NullBooleanField"
+
     def to_python(self, value):
         if value in (None, True, False): return value
         if value in ('None'): return None
@@ -919,6 +952,9 @@ class PhoneNumberField(IntegerField):
     def get_manipulator_field_objs(self):
         return [oldforms.PhoneNumberField]
 
+    def get_internal_type(self):
+        return "PhoneNumberField"
+
     def validate(self, field_data, all_data):
         validators.isValidPhone(field_data, all_data)
 
@@ -932,6 +968,9 @@ class PositiveIntegerField(IntegerField):
     def get_manipulator_field_objs(self):
         return [oldforms.PositiveIntegerField]
 
+    def get_internal_type(self):
+        return "PositiveIntegerField"
+
     def formfield(self, **kwargs):
         defaults = {'min_value': 0}
         defaults.update(kwargs)
@@ -941,6 +980,9 @@ class PositiveSmallIntegerField(IntegerField):
     def get_manipulator_field_objs(self):
         return [oldforms.PositiveSmallIntegerField]
 
+    def get_internal_type(self):
+        return "PositiveSmallIntegerField"
+
     def formfield(self, **kwargs):
         defaults = {'min_value': 0}
         defaults.update(kwargs)
@@ -955,14 +997,23 @@ class SlugField(CharField):
             kwargs['db_index'] = True
         super(SlugField, self).__init__(*args, **kwargs)
 
+    def get_internal_type(self):
+        return "SlugField"
+
 class SmallIntegerField(IntegerField):
     def get_manipulator_field_objs(self):
         return [oldforms.SmallIntegerField]
 
+    def get_internal_type(self):
+        return "SmallIntegerField"
+
 class TextField(Field):
     def get_manipulator_field_objs(self):
         return [oldforms.LargeTextField]
 
+    def get_internal_type(self):
+        return "TextField"
+
     def formfield(self, **kwargs):
         defaults = {'widget': forms.Textarea}
         defaults.update(kwargs)
@@ -976,6 +1027,9 @@ class TimeField(Field):
             kwargs['editable'] = False
         Field.__init__(self, verbose_name, name, **kwargs)
 
+    def get_internal_type(self):
+        return "TimeField"
+
     def get_db_prep_lookup(self, lookup_type, value):
         if settings.DATABASE_ENGINE == 'oracle':
             # Oracle requires a date in order to parse.
@@ -1040,9 +1094,6 @@ class URLField(CharField):
     def get_manipulator_field_objs(self):
         return [oldforms.URLField]
 
-    def get_internal_type(self):
-        return "CharField"
-
     def formfield(self, **kwargs):
         defaults = {'form_class': forms.URLField, 'verify_exists': self.verify_exists}
         defaults.update(kwargs)
@@ -1052,6 +1103,9 @@ class USStateField(Field):
     def get_manipulator_field_objs(self):
         return [oldforms.USStateField]
 
+    def get_internal_type(self):
+        return "USStateField"
+
     def formfield(self, **kwargs):
         from django.contrib.localflavor.us.forms import USStateSelect
         defaults = {'widget': USStateSelect}
@@ -1063,9 +1117,6 @@ class XMLField(TextField):
         self.schema_path = schema_path
         Field.__init__(self, verbose_name, name, **kwargs)
 
-    def get_internal_type(self):
-        return "TextField"
-
     def get_manipulator_field_objs(self):
         return [curry(oldforms.XMLLargeTextField, schema_path=self.schema_path)]
 
@@ -1076,8 +1127,5 @@ class OrderingField(IntegerField):
         kwargs['null'] = True
         IntegerField.__init__(self, **kwargs )
 
-    def get_internal_type(self):
-        return "IntegerField"
-
     def get_manipulator_fields(self, opts, manipulator, change, name_prefix='', rel=False, follow=True):
         return [oldforms.HiddenField(name_prefix + self.name)]