From e0c3dd3318f6f4895554521c6bf69676635b1937 Mon Sep 17 00:00:00 2001
From: Adrian Holovaty <adrian@holovaty.com>
Date: Mon, 1 Aug 2005 21:29:52 +0000
Subject: [PATCH] Refactored meta.py -- created a django.core.meta package,
 with init.py and fields.py

git-svn-id: http://code.djangoproject.com/svn/django/trunk@378 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/core/management.py                 |   4 +-
 django/core/{meta.py => meta/__init__.py} | 684 +---------------------
 django/core/meta/fields.py                | 667 +++++++++++++++++++++
 django/models/__init__.py                 |  23 +-
 django/templatetags/adminapplist.py       |   3 +-
 django/utils/functional.py                |   4 +
 django/utils/text.py                      |   3 +
 django/views/admin/main.py                |  34 +-
 8 files changed, 712 insertions(+), 710 deletions(-)
 rename django/core/{meta.py => meta/__init__.py} (71%)
 create mode 100644 django/core/meta/fields.py
 create mode 100644 django/utils/functional.py

diff --git a/django/core/management.py b/django/core/management.py
index a8931de5442..6314ca6ac06 100644
--- a/django/core/management.py
+++ b/django/core/management.py
@@ -264,7 +264,7 @@ database_check.args = APP_ARGS
 
 def get_admin_index(mod):
     "Returns admin-index template snippet (in list form) for the given module."
-    from django.core import meta
+    from django.utils.text import capfirst
     output = []
     app_label = mod._MODELS[0]._meta.app_label
     output.append('{%% if perms.%s %%}' % app_label)
@@ -274,7 +274,7 @@ def get_admin_index(mod):
             output.append(MODULE_TEMPLATE % {
                 'app': app_label,
                 'mod': klass._meta.module_name,
-                'name': meta.capfirst(klass._meta.verbose_name_plural),
+                'name': capfirst(klass._meta.verbose_name_plural),
                 'addperm': klass._meta.get_add_permission(),
                 'changeperm': klass._meta.get_change_permission(),
             })
diff --git a/django/core/meta.py b/django/core/meta/__init__.py
similarity index 71%
rename from django/core/meta.py
rename to django/core/meta/__init__.py
index 98ce768f721..20b5ee68634 100644
--- a/django/core/meta.py
+++ b/django/core/meta/__init__.py
@@ -1,30 +1,20 @@
+from django.conf import settings
 from django.core import formfields, validators
 from django.core import db
 from django.core.exceptions import ObjectDoesNotExist
-from django.conf import settings
+from django.core.meta.fields import *
+from django.utils.functional import curry
+from django.utils.text import capfirst
 import copy, datetime, os, re, sys, types
 
-# The values to use for "blank" in SelectFields. Will be appended to the start of most "choices" lists.
-BLANK_CHOICE_DASH = [("", "---------")]
-BLANK_CHOICE_NONE = [("", "None")]
-
 # Admin stages.
 ADD, CHANGE, BOTH = 1, 2, 3
 
-# Values for Relation.edit_inline_type.
-TABULAR, STACKED = 1, 2
-
-# Values for filter_interface.
-HORIZONTAL, VERTICAL = 1, 2
-
-# Random entropy string used by "default" param.
-NOT_PROVIDED = 'oijpwojefiojpanv'
-
 # Size of each "chunk" for get_iterator calls.
 # Larger values are slightly faster at the expense of more storage space.
 GET_ITERATOR_CHUNK_SIZE = 100
 
-# Prefix (in python path style) to location of models.
+# Prefix (in Python path style) to location of models.
 MODEL_PREFIX = 'django.models'
 
 # Methods on models with the following prefix will be removed and
@@ -37,21 +27,10 @@ MANIPULATOR_FUNCTIONS_PREFIX = '_manipulator_'
 
 LOOKUP_SEPARATOR = '__'
 
-RECURSIVE_RELATIONSHIP_CONSTANT = 'self'
-
 ####################
 # HELPER FUNCTIONS #
 ####################
 
-# capitalizes first letter of string
-capfirst = lambda x: x and x[0].upper() + x[1:]
-
-# prepares a value for use in a LIKE query
-prep_for_like_query = lambda x: str(x).replace("%", "\%").replace("_", "\_")
-
-# returns the <ul> class for a given radio_admin value
-get_ul_class = lambda x: 'radiolist%s' % ((x == HORIZONTAL) and ' inline' or '')
-
 # Django currently supports two forms of ordering.
 # Form 1 (deprecated) example:
 #     order_by=(('pub_date', 'DESC'), ('headline', 'ASC'), (None, 'RANDOM'))
@@ -82,11 +61,6 @@ def orderlist2sql(order_list, prefix=''):
             output.append('%s%s ASC' % (prefix, f))
     return ', '.join(output)
 
-def curry(*args, **kwargs):
-    def _curried(*moreargs, **morekwargs):
-        return args[0](*(args[1:]+moreargs), **dict(kwargs.items() + morekwargs.items()))
-    return _curried
-
 def get_module(app_label, module_name):
     return __import__('%s.%s.%s' % (MODEL_PREFIX, app_label, module_name), '', '', [''])
 
@@ -1529,16 +1503,6 @@ def manipulator_save(opts, klass, add, change, self, new_data):
             getattr(new_object, 'set_%s_order' % rel_opts.object_name.lower())(order)
     return new_object
 
-def manipulator_validator_unique(f, opts, self, field_data, all_data):
-    "Validates that the value is unique for this field."
-    try:
-        old_obj = opts.get_model_module().get_object(**{'%s__exact' % f.name: field_data})
-    except ObjectDoesNotExist:
-        return
-    if hasattr(self, 'original_object') and getattr(self.original_object, opts.pk.name) == getattr(old_obj, opts.pk.name):
-        return
-    raise validators.ValidationError, "%s with this %s already exists." % (capfirst(opts.verbose_name), f.verbose_name)
-
 def manipulator_validator_unique_together(field_name_list, opts, self, field_data, all_data):
     from django.utils.text import get_text_list
     field_list = [opts.get_field(field_name) for field_name in field_name_list]
@@ -1583,641 +1547,3 @@ def manipulator_validator_unique_for_date(from_field, date_field, opts, lookup_t
             format_string = (lookup_type == 'date') and '%B %d, %Y' or '%B %Y'
             raise validators.ValidationError, "Please enter a different %s. The one you entered is already being used for %s." % \
                 (from_field.verbose_name, date_val.strftime(format_string))
-
-def manipulator_valid_rel_key(f, self, field_data, all_data):
-    "Validates that the value is a valid foreign key"
-    mod = f.rel.to.get_model_module()
-    try:
-        mod.get_object(**{'id__iexact': field_data})
-    except ObjectDoesNotExist:
-        raise validators.ValidationError, "Please enter a valid %s." % f.verbose_name
-
-####################
-# FIELDS           #
-####################
-
-class Field(object):
-
-    # Designates whether empty strings fundamentally are allowed at the
-    # database level.
-    empty_strings_allowed = True
-
-    def __init__(self, name, verbose_name=None, primary_key=False,
-        maxlength=None, unique=False, blank=False, null=False, db_index=None,
-        core=False, rel=None, default=NOT_PROVIDED, editable=True,
-        prepopulate_from=None, unique_for_date=None, unique_for_month=None,
-        unique_for_year=None, validator_list=None, choices=None, radio_admin=None,
-        help_text=''):
-        self.name = name
-        self.verbose_name = verbose_name or name.replace('_', ' ')
-        self.primary_key = primary_key
-        self.maxlength, self.unique = maxlength, unique
-        self.blank, self.null = blank, null
-        self.core, self.rel, self.default = core, rel, default
-        self.editable = editable
-        self.validator_list = validator_list or []
-        self.prepopulate_from = prepopulate_from
-        self.unique_for_date, self.unique_for_month = unique_for_date, unique_for_month
-        self.unique_for_year = unique_for_year
-        self.choices = choices or []
-        self.radio_admin = radio_admin
-        self.help_text = help_text
-        if rel and isinstance(rel, ManyToMany):
-            self.help_text += ' Hold down "Control", or "Command" on a Mac, to select more than one.'
-
-        # Set db_index to True if the field has a relationship and doesn't explicitly set db_index.
-        if db_index is None:
-            if isinstance(rel, OneToOne) or isinstance(rel, ManyToOne):
-                self.db_index = True
-            else:
-                self.db_index = False
-        else:
-            self.db_index = db_index
-
-    def pre_save(self, obj, value, add):
-        """
-        Hook for altering the object obj based on the value of this field and
-        and on the add/change status.
-        """
-        pass
-
-    def get_db_prep_save(self, value, add):
-        "Returns field's value prepared for saving into a database."
-        return value
-
-    def get_db_prep_lookup(self, lookup_type, value):
-        "Returns field's value prepared for database lookup."
-        if lookup_type in ('exact', 'gt', 'gte', 'lt', 'lte', 'ne', 'month', 'day'):
-            return [value]
-        elif lookup_type in ('range', 'in'):
-            return value
-        elif lookup_type == 'year':
-            return ['%s-01-01' % value, '%s-12-31' % value]
-        elif lookup_type in ('contains', 'icontains'):
-            return ["%%%s%%" % prep_for_like_query(value)]
-        elif lookup_type == 'iexact':
-            return [prep_for_like_query(value)]
-        elif lookup_type in ('startswith', 'istartswith'):
-            return ["%s%%" % prep_for_like_query(value)]
-        elif lookup_type in ('endswith', 'iendswith'):
-            return ["%%%s" % prep_for_like_query(value)]
-        elif lookup_type == 'isnull':
-            return []
-        raise TypeError, "Field has invalid lookup: %s" % lookup_type
-
-    def has_default(self):
-        "Returns a boolean of whether this field has a default value."
-        return self.default != NOT_PROVIDED
-
-    def get_default(self):
-        "Returns the default value for this field."
-        if self.default != NOT_PROVIDED:
-            if hasattr(self.default, '__get_value__'):
-                return self.default.__get_value__()
-            return self.default
-        if self.null:
-            return None
-        return ""
-
-    def get_manipulator_field_names(self, name_prefix):
-        """
-        Returns a list of field names that this object adds to the manipulator.
-        """
-        return [name_prefix + self.name]
-
-    def get_manipulator_fields(self, opts, manipulator, change, name_prefix='', rel=False):
-        """
-        Returns a list of formfields.FormField instances for this field. It
-        calculates the choices at runtime, not at compile time.
-
-        name_prefix is a prefix to prepend to the "field_name" argument.
-        rel is a boolean specifying whether this field is in a related context.
-        """
-        params = {'validator_list': self.validator_list[:]}
-        if self.maxlength and not self.choices: # Don't give SelectFields a maxlength parameter.
-            params['maxlength'] = self.maxlength
-        if isinstance(self.rel, ManyToOne):
-            if self.rel.raw_id_admin:
-                field_objs = self.get_manipulator_field_objs()
-                params['validator_list'].append(curry(manipulator_valid_rel_key, self, manipulator))
-            else:
-                if self.radio_admin:
-                    field_objs = [formfields.RadioSelectField]
-                    params['choices'] = self.get_choices(include_blank=self.blank, blank_choice=BLANK_CHOICE_NONE)
-                    params['ul_class'] = get_ul_class(self.radio_admin)
-                else:
-                    if self.null:
-                        field_objs = [formfields.NullSelectField]
-                    else:
-                        field_objs = [formfields.SelectField]
-                    params['choices'] = self.get_choices()
-        elif self.choices:
-            if self.radio_admin:
-                field_objs = [formfields.RadioSelectField]
-                params['choices'] = self.get_choices(include_blank=self.blank, blank_choice=BLANK_CHOICE_NONE)
-                params['ul_class'] = get_ul_class(self.radio_admin)
-            else:
-                field_objs = [formfields.SelectField]
-                params['choices'] = self.get_choices()
-        else:
-            field_objs = self.get_manipulator_field_objs()
-
-        # Add the "unique" validator(s).
-        for field_name_list in opts.unique_together:
-            if field_name_list[0] == self.name:
-                params['validator_list'].append(getattr(manipulator, 'isUnique%s' % '_'.join(field_name_list)))
-
-        # Add the "unique for..." validator(s).
-        if self.unique_for_date:
-            params['validator_list'].append(getattr(manipulator, 'isUnique%sFor%s' % (self.name, self.unique_for_date)))
-        if self.unique_for_month:
-            params['validator_list'].append(getattr(manipulator, 'isUnique%sFor%s' % (self.name, self.unique_for_month)))
-        if self.unique_for_year:
-            params['validator_list'].append(getattr(manipulator, 'isUnique%sFor%s' % (self.name, self.unique_for_year)))
-        if self.unique:
-            params['validator_list'].append(curry(manipulator_validator_unique, self, opts, manipulator))
-
-        # Only add is_required=True if the field cannot be blank. Primary keys
-        # are a special case, and fields in a related context should set this
-        # as False, because they'll be caught by a separate validator --
-        # RequiredIfOtherFieldGiven.
-        params['is_required'] = not self.blank and not self.primary_key and not rel
-
-        # If this field is in a related context, check whether any other fields
-        # in the related object have core=True. If so, add a validator --
-        # RequiredIfOtherFieldsGiven -- to this FormField.
-        if rel and not self.blank and not isinstance(self, AutoField) and not isinstance(self, FileField):
-            # First, get the core fields, if any.
-            core_field_names = []
-            for f in opts.fields:
-                if f.core and f != self:
-                    core_field_names.extend(f.get_manipulator_field_names(name_prefix))
-            # Now, if there are any, add the validator to this FormField.
-            if core_field_names:
-                params['validator_list'].append(validators.RequiredIfOtherFieldsGiven(core_field_names, "This field is required."))
-
-        # BooleanFields (CheckboxFields) are a special case. They don't take
-        # is_required or validator_list.
-        if isinstance(self, BooleanField):
-            del params['validator_list'], params['is_required']
-
-        # Finally, add the field_names.
-        field_names = self.get_manipulator_field_names(name_prefix)
-        return [man(field_name=field_names[i], **params) for i, man in enumerate(field_objs)]
-
-    def get_manipulator_new_data(self, new_data, rel=False):
-        """
-        Given the full new_data dictionary (from the manipulator), returns this
-        field's data.
-        """
-        if rel:
-            return new_data.get(self.name, [self.get_default()])[0]
-        else:
-            val = new_data.get(self.name, self.get_default())
-            if not self.empty_strings_allowed and val == '' and self.null:
-                val = None
-            return val
-
-    def get_choices(self, include_blank=True, blank_choice=BLANK_CHOICE_DASH):
-        "Returns a list of tuples used as SelectField choices for this field."
-        first_choice = include_blank and blank_choice or []
-        if self.choices:
-            return first_choice + list(self.choices)
-        rel_obj = self.rel.to
-        return first_choice + [(getattr(x, rel_obj.pk.name), repr(x)) for x in rel_obj.get_model_module().get_list(**self.rel.limit_choices_to)]
-
-class AutoField(Field):
-    empty_strings_allowed = False
-    def get_manipulator_fields(self, opts, manipulator, change, name_prefix='', rel=False):
-        if not rel:
-            return [] # Don't add a FormField unless it's in a related context.
-        return Field.get_manipulator_fields(self, opts, manipulator, change, name_prefix, rel)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.HiddenField]
-
-    def get_manipulator_new_data(self, new_data, rel=False):
-        if not rel:
-            return None
-        return Field.get_manipulator_new_data(self, new_data, rel)
-
-class BooleanField(Field):
-    def __init__(self, *args, **kwargs):
-        kwargs['blank'] = True
-        Field.__init__(self, *args, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.CheckboxField]
-
-class CharField(Field):
-    def get_manipulator_field_objs(self):
-        return [formfields.TextField]
-
-class CommaSeparatedIntegerField(CharField):
-    def get_manipulator_field_objs(self):
-        return [formfields.CommaSeparatedIntegerField]
-
-class DateField(Field):
-    empty_strings_allowed = False
-    def __init__(self, name, verbose_name=None, auto_now=False, auto_now_add=False, **kwargs):
-        self.auto_now, self.auto_now_add = auto_now, auto_now_add
-        if auto_now or auto_now_add:
-            kwargs['editable'] = False
-        Field.__init__(self, name, verbose_name, **kwargs)
-
-    def get_db_prep_lookup(self, lookup_type, value):
-        if lookup_type == 'range':
-            value = [str(v) for v in value]
-        else:
-            value = str(value)
-        return Field.get_db_prep_lookup(self, lookup_type, value)
-
-    def pre_save(self, obj, value, add):
-        if self.auto_now or (self.auto_now_add and add):
-            setattr(obj, self.name, datetime.datetime.now())
-
-    def get_db_prep_save(self, value, add):
-        # Casts dates into string format for entry into database.
-        if value is not None:
-            value = value.strftime('%Y-%m-%d')
-        return Field.get_db_prep_save(self, value, add)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.DateField]
-
-class DateTimeField(DateField):
-    def get_db_prep_save(self, value, add):
-        # Casts dates into string format for entry into database.
-        if value is not None:
-            value = value.strftime('%Y-%m-%d %H:%M:%S')
-        return Field.get_db_prep_save(self, value, add)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.DateField, formfields.TimeField]
-
-    def get_manipulator_field_names(self, name_prefix):
-        return [name_prefix + self.name + '_date', name_prefix + self.name + '_time']
-
-    def get_manipulator_new_data(self, new_data, rel=False):
-        date_field, time_field = self.get_manipulator_field_names('')
-        if rel:
-            d = new_data.get(date_field, [None])[0]
-            t = new_data.get(time_field, [None])[0]
-        else:
-            d = new_data.get(date_field, None)
-            t = new_data.get(time_field, None)
-        if d is not None and t is not None:
-            return datetime.datetime.combine(d, t)
-        return self.get_default()
-
-class EmailField(Field):
-    def get_manipulator_field_objs(self):
-        return [formfields.EmailField]
-
-class FileField(Field):
-    def __init__(self, name, verbose_name=None, upload_to='', **kwargs):
-        self.upload_to = upload_to
-        Field.__init__(self, name, verbose_name, **kwargs)
-
-    def get_manipulator_fields(self, opts, manipulator, change, name_prefix='', rel=False):
-        field_list = Field.get_manipulator_fields(self, opts, manipulator, change, name_prefix, rel)
-
-        if not self.blank:
-            if rel:
-                # This validator makes sure FileFields work in a related context.
-                class RequiredFileField:
-                    def __init__(self, other_field_names, other_file_field_name):
-                        self.other_field_names = other_field_names
-                        self.other_file_field_name = other_file_field_name
-                        self.always_test = True
-                    def __call__(self, field_data, all_data):
-                        if not all_data.get(self.other_file_field_name, False):
-                            c = validators.RequiredIfOtherFieldsGiven(self.other_field_names, "This field is required.")
-                            c(field_data, all_data)
-                # First, get the core fields, if any.
-                core_field_names = []
-                for f in opts.fields:
-                    if f.core and f != self:
-                        core_field_names.extend(f.get_manipulator_field_names(name_prefix))
-                # Now, if there are any, add the validator to this FormField.
-                if core_field_names:
-                    field_list[0].validator_list.append(RequiredFileField(core_field_names, field_list[1].field_name))
-            else:
-                v = validators.RequiredIfOtherFieldNotGiven(field_list[1].field_name, "This field is required.")
-                v.always_test = True
-                field_list[0].validator_list.append(v)
-                field_list[0].is_required = field_list[1].is_required = False
-
-        # If the raw path is passed in, validate it's under the MEDIA_ROOT.
-        def isWithinMediaRoot(field_data, all_data):
-            f = os.path.abspath(os.path.join(settings.MEDIA_ROOT, field_data))
-            if not f.startswith(os.path.normpath(settings.MEDIA_ROOT)):
-                raise validators.ValidationError, "Enter a valid filename."
-        field_list[1].validator_list.append(isWithinMediaRoot)
-        return field_list
-
-    def get_manipulator_field_objs(self):
-        return [formfields.FileUploadField, formfields.HiddenField]
-
-    def get_manipulator_field_names(self, name_prefix):
-        return [name_prefix + self.name + '_file', name_prefix + self.name]
-
-    def save_file(self, new_data, new_object, original_object, change, rel):
-        upload_field_name = self.get_manipulator_field_names('')[0]
-        if new_data.get(upload_field_name, False):
-            if rel:
-                getattr(new_object, 'save_%s_file' % self.name)(new_data[upload_field_name][0]["filename"], new_data[upload_field_name][0]["content"])
-            else:
-                getattr(new_object, 'save_%s_file' % self.name)(new_data[upload_field_name]["filename"], new_data[upload_field_name]["content"])
-
-    def get_directory_name(self):
-        return os.path.normpath(datetime.datetime.now().strftime(self.upload_to))
-
-    def get_filename(self, filename):
-        from django.utils.text import get_valid_filename
-        f = os.path.join(self.get_directory_name(), get_valid_filename(os.path.basename(filename)))
-        return os.path.normpath(f)
-
-class FloatField(Field):
-    empty_strings_allowed = False
-    def __init__(self, name, verbose_name=None, max_digits=None, decimal_places=None, **kwargs):
-        self.max_digits, self.decimal_places = max_digits, decimal_places
-        Field.__init__(self, name, verbose_name, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        return [curry(formfields.FloatField, max_digits=self.max_digits, decimal_places=self.decimal_places)]
-
-class ImageField(FileField):
-    def __init__(self, name, verbose_name=None, width_field=None, height_field=None, **kwargs):
-        self.width_field, self.height_field = width_field, height_field
-        FileField.__init__(self, name, verbose_name, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.ImageUploadField, formfields.HiddenField]
-
-    def save_file(self, new_data, new_object, original_object, change, rel):
-        FileField.save_file(self, new_data, new_object, original_object, change, rel)
-        # If the image has height and/or width field(s) and they haven't
-        # changed, set the width and/or height field(s) back to their original
-        # values.
-        if change and (self.width_field or self.height_field):
-            if self.width_field:
-                setattr(new_object, self.width_field, getattr(original_object, self.width_field))
-            if self.height_field:
-                setattr(new_object, self.height_field, getattr(original_object, self.height_field))
-            new_object.save()
-
-class IntegerField(Field):
-    empty_strings_allowed = False
-    def get_manipulator_field_objs(self):
-        return [formfields.IntegerField]
-
-class IPAddressField(Field):
-    def __init__(self, *args, **kwargs):
-        kwargs['maxlength'] = 15
-        Field.__init__(self, *args, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.IPAddressField]
-
-class NullBooleanField(Field):
-    def __init__(self, *args, **kwargs):
-        kwargs['null'] = True
-        Field.__init__(self, *args, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.NullBooleanField]
-
-class PhoneNumberField(IntegerField):
-    def get_manipulator_field_objs(self):
-        return [formfields.PhoneNumberField]
-
-class PositiveIntegerField(IntegerField):
-    def get_manipulator_field_objs(self):
-        return [formfields.PositiveIntegerField]
-
-class PositiveSmallIntegerField(IntegerField):
-    def get_manipulator_field_objs(self):
-        return [formfields.PositiveSmallIntegerField]
-
-class SlugField(Field):
-    def __init__(self, *args, **kwargs):
-        kwargs['maxlength'] = 50
-        kwargs.setdefault('validator_list', []).append(validators.isAlphaNumeric)
-        # Set db_index=True unless it's been set manually.
-        if not kwargs.has_key('db_index'):
-            kwargs['db_index'] = True
-        Field.__init__(self, *args, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.TextField]
-
-class SmallIntegerField(IntegerField):
-    def get_manipulator_field_objs(self):
-        return [formfields.SmallIntegerField]
-
-class TextField(Field):
-    def get_manipulator_field_objs(self):
-        return [formfields.LargeTextField]
-
-class TimeField(Field):
-    empty_strings_allowed = False
-    def __init__(self, name, verbose_name=None, auto_now=False, auto_now_add=False, **kwargs):
-        self.auto_now, self.auto_now_add  = auto_now, auto_now_add
-        if auto_now or auto_now_add:
-            kwargs['editable'] = False
-        Field.__init__(self, name, verbose_name, **kwargs)
-
-    def get_db_prep_lookup(self, lookup_type, value):
-        if lookup_type == 'range':
-            value = [str(v) for v in value]
-        else:
-            value = str(value)
-        return Field.get_db_prep_lookup(self, lookup_type, value)
-
-    def pre_save(self, obj, value, add):
-        if self.auto_now or (self.auto_now_add and add):
-            setattr(obj, self.name, datetime.datetime.now().time())
-
-    def get_db_prep_save(self, value, add):
-        # Casts dates into string format for entry into database.
-        if value is not None:
-            value = value.strftime('%H:%M:%S')
-        return Field.get_db_prep_save(self, value, add)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.TimeField]
-
-class URLField(Field):
-    def __init__(self, name, verbose_name=None, verify_exists=True, **kwargs):
-        if verify_exists:
-            kwargs.setdefault('validator_list', []).append(validators.isExistingURL)
-        Field.__init__(self, name, verbose_name, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.URLField]
-
-class USStateField(Field):
-    def get_manipulator_field_objs(self):
-        return [formfields.USStateField]
-
-class XMLField(Field):
-    def __init__(self, name, verbose_name=None, schema_path=None, **kwargs):
-        self.schema_path = schema_path
-        Field.__init__(self, name, verbose_name, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        return [curry(formfields.XMLLargeTextField, schema_path=self.schema_path)]
-
-class ForeignKey(Field):
-    empty_strings_allowed = False
-    def __init__(self, to, to_field=None, rel_name=None, **kwargs):
-        try:
-            to_name = to._meta.object_name.lower()
-        except AttributeError: # to._meta doesn't exist, so it must be RECURSIVE_RELATIONSHIP_CONSTANT
-            assert to == 'self', "ForeignKey(%r) is invalid. First parameter to ForeignKey must be either a model or the string %r" % (to, RECURSIVE_RELATIONSHIP_CONSTANT)
-            kwargs['name'] = kwargs.get('name', '')
-            kwargs['verbose_name'] = kwargs.get('verbose_name', '')
-        else:
-            to_field = to_field or to._meta.pk.name
-            kwargs['name'] = kwargs.get('name', to_name + '_id')
-            kwargs['verbose_name'] = kwargs.get('verbose_name', to._meta.verbose_name)
-            rel_name = rel_name or to_name
-        kwargs['rel'] = ManyToOne(to, rel_name, to_field,
-            num_in_admin=kwargs.pop('num_in_admin', 0),
-            min_num_in_admin=kwargs.pop('min_num_in_admin', None),
-            max_num_in_admin=kwargs.pop('max_num_in_admin', None),
-            num_extra_on_change=kwargs.pop('num_extra_on_change', 1),
-            edit_inline=kwargs.pop('edit_inline', False),
-            edit_inline_type=kwargs.pop('edit_inline_type', STACKED),
-            related_name=kwargs.pop('related_name', None),
-            limit_choices_to=kwargs.pop('limit_choices_to', None),
-            lookup_overrides=kwargs.pop('lookup_overrides', None),
-            raw_id_admin=kwargs.pop('raw_id_admin', False))
-        Field.__init__(self, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        return [formfields.IntegerField]
-
-class ManyToManyField(Field):
-    def __init__(self, to, rel_name=None, **kwargs):
-        kwargs['name'] = kwargs.get('name', to._meta.module_name)
-        kwargs['verbose_name'] = kwargs.get('verbose_name', to._meta.verbose_name_plural)
-        rel_name = rel_name or to._meta.object_name.lower()
-        kwargs['rel'] = ManyToMany(to, rel_name,
-            num_in_admin=kwargs.pop('num_in_admin', 0),
-            related_name=kwargs.pop('related_name', None),
-            filter_interface=kwargs.pop('filter_interface', None),
-            limit_choices_to=kwargs.pop('limit_choices_to', None))
-        Field.__init__(self, **kwargs)
-
-    def get_manipulator_field_objs(self):
-        choices = self.get_choices(include_blank=False)
-        return [curry(formfields.SelectMultipleField, size=min(max(len(choices), 5), 15), choices=choices)]
-
-    def get_m2m_db_table(self, original_opts):
-        "Returns the name of the many-to-many 'join' table."
-        return '%s_%s' % (original_opts.db_table, self.name)
-
-class OneToOneField(IntegerField):
-    def __init__(self, to, to_field=None, rel_name=None, **kwargs):
-        kwargs['name'] = kwargs.get('name', 'id')
-        kwargs['verbose_name'] = kwargs.get('verbose_name', 'ID')
-        to_field = to_field or to._meta.pk.name
-        rel_name = rel_name or to._meta.object_name.lower()
-        kwargs['rel'] = OneToOne(to, rel_name, to_field,
-            num_in_admin=kwargs.pop('num_in_admin', 0),
-            edit_inline=kwargs.pop('edit_inline', False),
-            edit_inline_type=kwargs.pop('edit_inline_type', STACKED),
-            related_name=kwargs.pop('related_name', None),
-            limit_choices_to=kwargs.pop('limit_choices_to', None),
-            lookup_overrides=kwargs.pop('lookup_overrides', None),
-            raw_id_admin=kwargs.pop('raw_id_admin', False))
-        kwargs['primary_key'] = True
-        IntegerField.__init__(self, **kwargs)
-
-####################
-# RELATIONSHIPS    #
-####################
-
-class ManyToOne:
-    def __init__(self, to, name, field_name, num_in_admin=0, min_num_in_admin=None,
-        max_num_in_admin=None, num_extra_on_change=1, edit_inline=False, edit_inline_type=STACKED,
-        related_name=None, limit_choices_to=None, lookup_overrides=None, raw_id_admin=False):
-        try:
-            self.to = to._meta
-        except AttributeError: # to._meta doesn't exist, so it must be RECURSIVE_RELATIONSHIP_CONSTANT
-            assert to == RECURSIVE_RELATIONSHIP_CONSTANT, "'to' must be either a model or the string '%s'" % RECURSIVE_RELATIONSHIP_CONSTANT
-            self.to = to
-        self.name, self.field_name = name, field_name
-        self.num_in_admin, self.edit_inline = num_in_admin, edit_inline
-        self.min_num_in_admin, self.max_num_in_admin = min_num_in_admin, max_num_in_admin
-        self.num_extra_on_change = num_extra_on_change
-        self.edit_inline_type, self.related_name = edit_inline_type, related_name
-        self.limit_choices_to = limit_choices_to or {}
-        self.lookup_overrides = lookup_overrides or {}
-        self.raw_id_admin = raw_id_admin
-
-    def get_cache_name(self):
-        return '_%s_cache' % self.name
-
-    def get_related_field(self):
-        "Returns the Field in the 'to' object to which this relationship is tied."
-        return self.to.get_field(self.field_name)
-
-class ManyToMany:
-    def __init__(self, to, name, num_in_admin=0, related_name=None,
-        filter_interface=None, limit_choices_to=None):
-        self.to, self.name = to._meta, name
-        self.num_in_admin = num_in_admin
-        self.related_name = related_name
-        self.filter_interface = filter_interface
-        self.limit_choices_to = limit_choices_to or {}
-        self.edit_inline = False
-
-class OneToOne(ManyToOne):
-    def __init__(self, to, name, field_name, num_in_admin=0, edit_inline=False,
-        edit_inline_type=STACKED, related_name=None, limit_choices_to=None, lookup_overrides=None,
-        raw_id_admin=False):
-        self.to, self.name, self.field_name = to._meta, name, field_name
-        self.num_in_admin, self.edit_inline = num_in_admin, edit_inline
-        self.edit_inline_type, self.related_name = edit_inline_type, related_name
-        self.limit_choices_to = limit_choices_to or {}
-        self.lookup_overrides = lookup_overrides or {}
-        self.raw_id_admin = raw_id_admin
-
-class Admin:
-    def __init__(self, fields=None, js=None, list_display=None, list_filter=None, date_hierarchy=None,
-        save_as=False, ordering=None, search_fields=None, save_on_top=False):
-        self.fields = fields
-        self.js = js or []
-        self.list_display = list_display or ['__repr__']
-        self.list_filter = list_filter or []
-        self.date_hierarchy = date_hierarchy
-        self.save_as, self.ordering = save_as, ordering
-        self.search_fields = search_fields or []
-        self.save_on_top = save_on_top
-
-    def get_field_objs(self, opts):
-        """
-        Returns self.fields, except with fields as Field objects instead of
-        field names. If self.fields is None, defaults to putting every
-        non-AutoField field with editable=True in a single fieldset.
-        """
-        if self.fields is None:
-            field_struct = ((None, {'fields': [f.name for f in opts.fields + opts.many_to_many if f.editable and not isinstance(f, AutoField)]}),)
-        else:
-            field_struct = self.fields
-        new_fieldset_list = []
-        for fieldset in field_struct:
-            new_fieldset = [fieldset[0], {}]
-            new_fieldset[1].update(fieldset[1])
-            admin_fields = []
-            for field_name_or_list in fieldset[1]['fields']:
-                if isinstance(field_name_or_list, basestring):
-                    admin_fields.append([opts.get_field(field_name_or_list)])
-                else:
-                    admin_fields.append([opts.get_field(field_name) for field_name in field_name_or_list])
-            new_fieldset[1]['fields'] = admin_fields
-            new_fieldset_list.append(new_fieldset)
-        return new_fieldset_list
diff --git a/django/core/meta/fields.py b/django/core/meta/fields.py
new file mode 100644
index 00000000000..51769eaad99
--- /dev/null
+++ b/django/core/meta/fields.py
@@ -0,0 +1,667 @@
+from django.conf import settings
+from django.core import formfields, validators
+from django.core.exceptions import ObjectDoesNotExist
+from django.utils.functional import curry
+from django.utils.text import capfirst
+import datetime, os
+
+# Random entropy string used by "default" param.
+NOT_PROVIDED = 'oijpwojefiojpanv'
+
+# Values for filter_interface.
+HORIZONTAL, VERTICAL = 1, 2
+
+# The values to use for "blank" in SelectFields. Will be appended to the start of most "choices" lists.
+BLANK_CHOICE_DASH = [("", "---------")]
+BLANK_CHOICE_NONE = [("", "None")]
+
+# Values for Relation.edit_inline_type.
+TABULAR, STACKED = 1, 2
+
+RECURSIVE_RELATIONSHIP_CONSTANT = 'self'
+
+# prepares a value for use in a LIKE query
+prep_for_like_query = lambda x: str(x).replace("%", "\%").replace("_", "\_")
+
+# returns the <ul> class for a given radio_admin value
+get_ul_class = lambda x: 'radiolist%s' % ((x == HORIZONTAL) and ' inline' or '')
+
+def manipulator_valid_rel_key(f, self, field_data, all_data):
+    "Validates that the value is a valid foreign key"
+    mod = f.rel.to.get_model_module()
+    try:
+        mod.get_object(**{'id__iexact': field_data})
+    except ObjectDoesNotExist:
+        raise validators.ValidationError, "Please enter a valid %s." % f.verbose_name
+
+def manipulator_validator_unique(f, opts, self, field_data, all_data):
+    "Validates that the value is unique for this field."
+    try:
+        old_obj = opts.get_model_module().get_object(**{'%s__exact' % f.name: field_data})
+    except ObjectDoesNotExist:
+        return
+    if hasattr(self, 'original_object') and getattr(self.original_object, opts.pk.name) == getattr(old_obj, opts.pk.name):
+        return
+    raise validators.ValidationError, "%s with this %s already exists." % (capfirst(opts.verbose_name), f.verbose_name)
+
+class Field(object):
+
+    # Designates whether empty strings fundamentally are allowed at the
+    # database level.
+    empty_strings_allowed = True
+
+    def __init__(self, name, verbose_name=None, primary_key=False,
+        maxlength=None, unique=False, blank=False, null=False, db_index=None,
+        core=False, rel=None, default=NOT_PROVIDED, editable=True,
+        prepopulate_from=None, unique_for_date=None, unique_for_month=None,
+        unique_for_year=None, validator_list=None, choices=None, radio_admin=None,
+        help_text=''):
+        self.name = name
+        self.verbose_name = verbose_name or name.replace('_', ' ')
+        self.primary_key = primary_key
+        self.maxlength, self.unique = maxlength, unique
+        self.blank, self.null = blank, null
+        self.core, self.rel, self.default = core, rel, default
+        self.editable = editable
+        self.validator_list = validator_list or []
+        self.prepopulate_from = prepopulate_from
+        self.unique_for_date, self.unique_for_month = unique_for_date, unique_for_month
+        self.unique_for_year = unique_for_year
+        self.choices = choices or []
+        self.radio_admin = radio_admin
+        self.help_text = help_text
+        if rel and isinstance(rel, ManyToMany):
+            self.help_text += ' Hold down "Control", or "Command" on a Mac, to select more than one.'
+
+        # Set db_index to True if the field has a relationship and doesn't explicitly set db_index.
+        if db_index is None:
+            if isinstance(rel, OneToOne) or isinstance(rel, ManyToOne):
+                self.db_index = True
+            else:
+                self.db_index = False
+        else:
+            self.db_index = db_index
+
+    def pre_save(self, obj, value, add):
+        """
+        Hook for altering the object obj based on the value of this field and
+        and on the add/change status.
+        """
+        pass
+
+    def get_db_prep_save(self, value, add):
+        "Returns field's value prepared for saving into a database."
+        return value
+
+    def get_db_prep_lookup(self, lookup_type, value):
+        "Returns field's value prepared for database lookup."
+        if lookup_type in ('exact', 'gt', 'gte', 'lt', 'lte', 'ne', 'month', 'day'):
+            return [value]
+        elif lookup_type in ('range', 'in'):
+            return value
+        elif lookup_type == 'year':
+            return ['%s-01-01' % value, '%s-12-31' % value]
+        elif lookup_type in ('contains', 'icontains'):
+            return ["%%%s%%" % prep_for_like_query(value)]
+        elif lookup_type == 'iexact':
+            return [prep_for_like_query(value)]
+        elif lookup_type in ('startswith', 'istartswith'):
+            return ["%s%%" % prep_for_like_query(value)]
+        elif lookup_type in ('endswith', 'iendswith'):
+            return ["%%%s" % prep_for_like_query(value)]
+        elif lookup_type == 'isnull':
+            return []
+        raise TypeError, "Field has invalid lookup: %s" % lookup_type
+
+    def has_default(self):
+        "Returns a boolean of whether this field has a default value."
+        return self.default != NOT_PROVIDED
+
+    def get_default(self):
+        "Returns the default value for this field."
+        if self.default != NOT_PROVIDED:
+            if hasattr(self.default, '__get_value__'):
+                return self.default.__get_value__()
+            return self.default
+        if self.null:
+            return None
+        return ""
+
+    def get_manipulator_field_names(self, name_prefix):
+        """
+        Returns a list of field names that this object adds to the manipulator.
+        """
+        return [name_prefix + self.name]
+
+    def get_manipulator_fields(self, opts, manipulator, change, name_prefix='', rel=False):
+        """
+        Returns a list of formfields.FormField instances for this field. It
+        calculates the choices at runtime, not at compile time.
+
+        name_prefix is a prefix to prepend to the "field_name" argument.
+        rel is a boolean specifying whether this field is in a related context.
+        """
+        params = {'validator_list': self.validator_list[:]}
+        if self.maxlength and not self.choices: # Don't give SelectFields a maxlength parameter.
+            params['maxlength'] = self.maxlength
+        if isinstance(self.rel, ManyToOne):
+            if self.rel.raw_id_admin:
+                field_objs = self.get_manipulator_field_objs()
+                params['validator_list'].append(curry(manipulator_valid_rel_key, self, manipulator))
+            else:
+                if self.radio_admin:
+                    field_objs = [formfields.RadioSelectField]
+                    params['choices'] = self.get_choices(include_blank=self.blank, blank_choice=BLANK_CHOICE_NONE)
+                    params['ul_class'] = get_ul_class(self.radio_admin)
+                else:
+                    if self.null:
+                        field_objs = [formfields.NullSelectField]
+                    else:
+                        field_objs = [formfields.SelectField]
+                    params['choices'] = self.get_choices()
+        elif self.choices:
+            if self.radio_admin:
+                field_objs = [formfields.RadioSelectField]
+                params['choices'] = self.get_choices(include_blank=self.blank, blank_choice=BLANK_CHOICE_NONE)
+                params['ul_class'] = get_ul_class(self.radio_admin)
+            else:
+                field_objs = [formfields.SelectField]
+                params['choices'] = self.get_choices()
+        else:
+            field_objs = self.get_manipulator_field_objs()
+
+        # Add the "unique" validator(s).
+        for field_name_list in opts.unique_together:
+            if field_name_list[0] == self.name:
+                params['validator_list'].append(getattr(manipulator, 'isUnique%s' % '_'.join(field_name_list)))
+
+        # Add the "unique for..." validator(s).
+        if self.unique_for_date:
+            params['validator_list'].append(getattr(manipulator, 'isUnique%sFor%s' % (self.name, self.unique_for_date)))
+        if self.unique_for_month:
+            params['validator_list'].append(getattr(manipulator, 'isUnique%sFor%s' % (self.name, self.unique_for_month)))
+        if self.unique_for_year:
+            params['validator_list'].append(getattr(manipulator, 'isUnique%sFor%s' % (self.name, self.unique_for_year)))
+        if self.unique:
+            params['validator_list'].append(curry(manipulator_validator_unique, self, opts, manipulator))
+
+        # Only add is_required=True if the field cannot be blank. Primary keys
+        # are a special case, and fields in a related context should set this
+        # as False, because they'll be caught by a separate validator --
+        # RequiredIfOtherFieldGiven.
+        params['is_required'] = not self.blank and not self.primary_key and not rel
+
+        # If this field is in a related context, check whether any other fields
+        # in the related object have core=True. If so, add a validator --
+        # RequiredIfOtherFieldsGiven -- to this FormField.
+        if rel and not self.blank and not isinstance(self, AutoField) and not isinstance(self, FileField):
+            # First, get the core fields, if any.
+            core_field_names = []
+            for f in opts.fields:
+                if f.core and f != self:
+                    core_field_names.extend(f.get_manipulator_field_names(name_prefix))
+            # Now, if there are any, add the validator to this FormField.
+            if core_field_names:
+                params['validator_list'].append(validators.RequiredIfOtherFieldsGiven(core_field_names, "This field is required."))
+
+        # BooleanFields (CheckboxFields) are a special case. They don't take
+        # is_required or validator_list.
+        if isinstance(self, BooleanField):
+            del params['validator_list'], params['is_required']
+
+        # Finally, add the field_names.
+        field_names = self.get_manipulator_field_names(name_prefix)
+        return [man(field_name=field_names[i], **params) for i, man in enumerate(field_objs)]
+
+    def get_manipulator_new_data(self, new_data, rel=False):
+        """
+        Given the full new_data dictionary (from the manipulator), returns this
+        field's data.
+        """
+        if rel:
+            return new_data.get(self.name, [self.get_default()])[0]
+        else:
+            val = new_data.get(self.name, self.get_default())
+            if not self.empty_strings_allowed and val == '' and self.null:
+                val = None
+            return val
+
+    def get_choices(self, include_blank=True, blank_choice=BLANK_CHOICE_DASH):
+        "Returns a list of tuples used as SelectField choices for this field."
+        first_choice = include_blank and blank_choice or []
+        if self.choices:
+            return first_choice + list(self.choices)
+        rel_obj = self.rel.to
+        return first_choice + [(getattr(x, rel_obj.pk.name), repr(x)) for x in rel_obj.get_model_module().get_list(**self.rel.limit_choices_to)]
+
+class AutoField(Field):
+    empty_strings_allowed = False
+    def get_manipulator_fields(self, opts, manipulator, change, name_prefix='', rel=False):
+        if not rel:
+            return [] # Don't add a FormField unless it's in a related context.
+        return Field.get_manipulator_fields(self, opts, manipulator, change, name_prefix, rel)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.HiddenField]
+
+    def get_manipulator_new_data(self, new_data, rel=False):
+        if not rel:
+            return None
+        return Field.get_manipulator_new_data(self, new_data, rel)
+
+class BooleanField(Field):
+    def __init__(self, *args, **kwargs):
+        kwargs['blank'] = True
+        Field.__init__(self, *args, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.CheckboxField]
+
+class CharField(Field):
+    def get_manipulator_field_objs(self):
+        return [formfields.TextField]
+
+class CommaSeparatedIntegerField(CharField):
+    def get_manipulator_field_objs(self):
+        return [formfields.CommaSeparatedIntegerField]
+
+class DateField(Field):
+    empty_strings_allowed = False
+    def __init__(self, name, verbose_name=None, auto_now=False, auto_now_add=False, **kwargs):
+        self.auto_now, self.auto_now_add = auto_now, auto_now_add
+        if auto_now or auto_now_add:
+            kwargs['editable'] = False
+        Field.__init__(self, name, verbose_name, **kwargs)
+
+    def get_db_prep_lookup(self, lookup_type, value):
+        if lookup_type == 'range':
+            value = [str(v) for v in value]
+        else:
+            value = str(value)
+        return Field.get_db_prep_lookup(self, lookup_type, value)
+
+    def pre_save(self, obj, value, add):
+        if self.auto_now or (self.auto_now_add and add):
+            setattr(obj, self.name, datetime.datetime.now())
+
+    def get_db_prep_save(self, value, add):
+        # Casts dates into string format for entry into database.
+        if value is not None:
+            value = value.strftime('%Y-%m-%d')
+        return Field.get_db_prep_save(self, value, add)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.DateField]
+
+class DateTimeField(DateField):
+    def get_db_prep_save(self, value, add):
+        # Casts dates into string format for entry into database.
+        if value is not None:
+            value = value.strftime('%Y-%m-%d %H:%M:%S')
+        return Field.get_db_prep_save(self, value, add)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.DateField, formfields.TimeField]
+
+    def get_manipulator_field_names(self, name_prefix):
+        return [name_prefix + self.name + '_date', name_prefix + self.name + '_time']
+
+    def get_manipulator_new_data(self, new_data, rel=False):
+        date_field, time_field = self.get_manipulator_field_names('')
+        if rel:
+            d = new_data.get(date_field, [None])[0]
+            t = new_data.get(time_field, [None])[0]
+        else:
+            d = new_data.get(date_field, None)
+            t = new_data.get(time_field, None)
+        if d is not None and t is not None:
+            return datetime.datetime.combine(d, t)
+        return self.get_default()
+
+class EmailField(Field):
+    def get_manipulator_field_objs(self):
+        return [formfields.EmailField]
+
+class FileField(Field):
+    def __init__(self, name, verbose_name=None, upload_to='', **kwargs):
+        self.upload_to = upload_to
+        Field.__init__(self, name, verbose_name, **kwargs)
+
+    def get_manipulator_fields(self, opts, manipulator, change, name_prefix='', rel=False):
+        field_list = Field.get_manipulator_fields(self, opts, manipulator, change, name_prefix, rel)
+
+        if not self.blank:
+            if rel:
+                # This validator makes sure FileFields work in a related context.
+                class RequiredFileField:
+                    def __init__(self, other_field_names, other_file_field_name):
+                        self.other_field_names = other_field_names
+                        self.other_file_field_name = other_file_field_name
+                        self.always_test = True
+                    def __call__(self, field_data, all_data):
+                        if not all_data.get(self.other_file_field_name, False):
+                            c = validators.RequiredIfOtherFieldsGiven(self.other_field_names, "This field is required.")
+                            c(field_data, all_data)
+                # First, get the core fields, if any.
+                core_field_names = []
+                for f in opts.fields:
+                    if f.core and f != self:
+                        core_field_names.extend(f.get_manipulator_field_names(name_prefix))
+                # Now, if there are any, add the validator to this FormField.
+                if core_field_names:
+                    field_list[0].validator_list.append(RequiredFileField(core_field_names, field_list[1].field_name))
+            else:
+                v = validators.RequiredIfOtherFieldNotGiven(field_list[1].field_name, "This field is required.")
+                v.always_test = True
+                field_list[0].validator_list.append(v)
+                field_list[0].is_required = field_list[1].is_required = False
+
+        # If the raw path is passed in, validate it's under the MEDIA_ROOT.
+        def isWithinMediaRoot(field_data, all_data):
+            f = os.path.abspath(os.path.join(settings.MEDIA_ROOT, field_data))
+            if not f.startswith(os.path.normpath(settings.MEDIA_ROOT)):
+                raise validators.ValidationError, "Enter a valid filename."
+        field_list[1].validator_list.append(isWithinMediaRoot)
+        return field_list
+
+    def get_manipulator_field_objs(self):
+        return [formfields.FileUploadField, formfields.HiddenField]
+
+    def get_manipulator_field_names(self, name_prefix):
+        return [name_prefix + self.name + '_file', name_prefix + self.name]
+
+    def save_file(self, new_data, new_object, original_object, change, rel):
+        upload_field_name = self.get_manipulator_field_names('')[0]
+        if new_data.get(upload_field_name, False):
+            if rel:
+                getattr(new_object, 'save_%s_file' % self.name)(new_data[upload_field_name][0]["filename"], new_data[upload_field_name][0]["content"])
+            else:
+                getattr(new_object, 'save_%s_file' % self.name)(new_data[upload_field_name]["filename"], new_data[upload_field_name]["content"])
+
+    def get_directory_name(self):
+        return os.path.normpath(datetime.datetime.now().strftime(self.upload_to))
+
+    def get_filename(self, filename):
+        from django.utils.text import get_valid_filename
+        f = os.path.join(self.get_directory_name(), get_valid_filename(os.path.basename(filename)))
+        return os.path.normpath(f)
+
+class FloatField(Field):
+    empty_strings_allowed = False
+    def __init__(self, name, verbose_name=None, max_digits=None, decimal_places=None, **kwargs):
+        self.max_digits, self.decimal_places = max_digits, decimal_places
+        Field.__init__(self, name, verbose_name, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        return [curry(formfields.FloatField, max_digits=self.max_digits, decimal_places=self.decimal_places)]
+
+class ImageField(FileField):
+    def __init__(self, name, verbose_name=None, width_field=None, height_field=None, **kwargs):
+        self.width_field, self.height_field = width_field, height_field
+        FileField.__init__(self, name, verbose_name, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.ImageUploadField, formfields.HiddenField]
+
+    def save_file(self, new_data, new_object, original_object, change, rel):
+        FileField.save_file(self, new_data, new_object, original_object, change, rel)
+        # If the image has height and/or width field(s) and they haven't
+        # changed, set the width and/or height field(s) back to their original
+        # values.
+        if change and (self.width_field or self.height_field):
+            if self.width_field:
+                setattr(new_object, self.width_field, getattr(original_object, self.width_field))
+            if self.height_field:
+                setattr(new_object, self.height_field, getattr(original_object, self.height_field))
+            new_object.save()
+
+class IntegerField(Field):
+    empty_strings_allowed = False
+    def get_manipulator_field_objs(self):
+        return [formfields.IntegerField]
+
+class IPAddressField(Field):
+    def __init__(self, *args, **kwargs):
+        kwargs['maxlength'] = 15
+        Field.__init__(self, *args, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.IPAddressField]
+
+class NullBooleanField(Field):
+    def __init__(self, *args, **kwargs):
+        kwargs['null'] = True
+        Field.__init__(self, *args, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.NullBooleanField]
+
+class PhoneNumberField(IntegerField):
+    def get_manipulator_field_objs(self):
+        return [formfields.PhoneNumberField]
+
+class PositiveIntegerField(IntegerField):
+    def get_manipulator_field_objs(self):
+        return [formfields.PositiveIntegerField]
+
+class PositiveSmallIntegerField(IntegerField):
+    def get_manipulator_field_objs(self):
+        return [formfields.PositiveSmallIntegerField]
+
+class SlugField(Field):
+    def __init__(self, *args, **kwargs):
+        kwargs['maxlength'] = 50
+        kwargs.setdefault('validator_list', []).append(validators.isAlphaNumeric)
+        # Set db_index=True unless it's been set manually.
+        if not kwargs.has_key('db_index'):
+            kwargs['db_index'] = True
+        Field.__init__(self, *args, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.TextField]
+
+class SmallIntegerField(IntegerField):
+    def get_manipulator_field_objs(self):
+        return [formfields.SmallIntegerField]
+
+class TextField(Field):
+    def get_manipulator_field_objs(self):
+        return [formfields.LargeTextField]
+
+class TimeField(Field):
+    empty_strings_allowed = False
+    def __init__(self, name, verbose_name=None, auto_now=False, auto_now_add=False, **kwargs):
+        self.auto_now, self.auto_now_add  = auto_now, auto_now_add
+        if auto_now or auto_now_add:
+            kwargs['editable'] = False
+        Field.__init__(self, name, verbose_name, **kwargs)
+
+    def get_db_prep_lookup(self, lookup_type, value):
+        if lookup_type == 'range':
+            value = [str(v) for v in value]
+        else:
+            value = str(value)
+        return Field.get_db_prep_lookup(self, lookup_type, value)
+
+    def pre_save(self, obj, value, add):
+        if self.auto_now or (self.auto_now_add and add):
+            setattr(obj, self.name, datetime.datetime.now().time())
+
+    def get_db_prep_save(self, value, add):
+        # Casts dates into string format for entry into database.
+        if value is not None:
+            value = value.strftime('%H:%M:%S')
+        return Field.get_db_prep_save(self, value, add)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.TimeField]
+
+class URLField(Field):
+    def __init__(self, name, verbose_name=None, verify_exists=True, **kwargs):
+        if verify_exists:
+            kwargs.setdefault('validator_list', []).append(validators.isExistingURL)
+        Field.__init__(self, name, verbose_name, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.URLField]
+
+class USStateField(Field):
+    def get_manipulator_field_objs(self):
+        return [formfields.USStateField]
+
+class XMLField(Field):
+    def __init__(self, name, verbose_name=None, schema_path=None, **kwargs):
+        self.schema_path = schema_path
+        Field.__init__(self, name, verbose_name, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        return [curry(formfields.XMLLargeTextField, schema_path=self.schema_path)]
+
+class ForeignKey(Field):
+    empty_strings_allowed = False
+    def __init__(self, to, to_field=None, rel_name=None, **kwargs):
+        try:
+            to_name = to._meta.object_name.lower()
+        except AttributeError: # to._meta doesn't exist, so it must be RECURSIVE_RELATIONSHIP_CONSTANT
+            assert to == 'self', "ForeignKey(%r) is invalid. First parameter to ForeignKey must be either a model or the string %r" % (to, RECURSIVE_RELATIONSHIP_CONSTANT)
+            kwargs['name'] = kwargs.get('name', '')
+            kwargs['verbose_name'] = kwargs.get('verbose_name', '')
+        else:
+            to_field = to_field or to._meta.pk.name
+            kwargs['name'] = kwargs.get('name', to_name + '_id')
+            kwargs['verbose_name'] = kwargs.get('verbose_name', to._meta.verbose_name)
+            rel_name = rel_name or to_name
+        kwargs['rel'] = ManyToOne(to, rel_name, to_field,
+            num_in_admin=kwargs.pop('num_in_admin', 0),
+            min_num_in_admin=kwargs.pop('min_num_in_admin', None),
+            max_num_in_admin=kwargs.pop('max_num_in_admin', None),
+            num_extra_on_change=kwargs.pop('num_extra_on_change', 1),
+            edit_inline=kwargs.pop('edit_inline', False),
+            edit_inline_type=kwargs.pop('edit_inline_type', STACKED),
+            related_name=kwargs.pop('related_name', None),
+            limit_choices_to=kwargs.pop('limit_choices_to', None),
+            lookup_overrides=kwargs.pop('lookup_overrides', None),
+            raw_id_admin=kwargs.pop('raw_id_admin', False))
+        Field.__init__(self, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        return [formfields.IntegerField]
+
+class ManyToManyField(Field):
+    def __init__(self, to, rel_name=None, **kwargs):
+        kwargs['name'] = kwargs.get('name', to._meta.module_name)
+        kwargs['verbose_name'] = kwargs.get('verbose_name', to._meta.verbose_name_plural)
+        rel_name = rel_name or to._meta.object_name.lower()
+        kwargs['rel'] = ManyToMany(to, rel_name,
+            num_in_admin=kwargs.pop('num_in_admin', 0),
+            related_name=kwargs.pop('related_name', None),
+            filter_interface=kwargs.pop('filter_interface', None),
+            limit_choices_to=kwargs.pop('limit_choices_to', None))
+        Field.__init__(self, **kwargs)
+
+    def get_manipulator_field_objs(self):
+        choices = self.get_choices(include_blank=False)
+        return [curry(formfields.SelectMultipleField, size=min(max(len(choices), 5), 15), choices=choices)]
+
+    def get_m2m_db_table(self, original_opts):
+        "Returns the name of the many-to-many 'join' table."
+        return '%s_%s' % (original_opts.db_table, self.name)
+
+class OneToOneField(IntegerField):
+    def __init__(self, to, to_field=None, rel_name=None, **kwargs):
+        kwargs['name'] = kwargs.get('name', 'id')
+        kwargs['verbose_name'] = kwargs.get('verbose_name', 'ID')
+        to_field = to_field or to._meta.pk.name
+        rel_name = rel_name or to._meta.object_name.lower()
+        kwargs['rel'] = OneToOne(to, rel_name, to_field,
+            num_in_admin=kwargs.pop('num_in_admin', 0),
+            edit_inline=kwargs.pop('edit_inline', False),
+            edit_inline_type=kwargs.pop('edit_inline_type', STACKED),
+            related_name=kwargs.pop('related_name', None),
+            limit_choices_to=kwargs.pop('limit_choices_to', None),
+            lookup_overrides=kwargs.pop('lookup_overrides', None),
+            raw_id_admin=kwargs.pop('raw_id_admin', False))
+        kwargs['primary_key'] = True
+        IntegerField.__init__(self, **kwargs)
+
+class ManyToOne:
+    def __init__(self, to, name, field_name, num_in_admin=0, min_num_in_admin=None,
+        max_num_in_admin=None, num_extra_on_change=1, edit_inline=False, edit_inline_type=STACKED,
+        related_name=None, limit_choices_to=None, lookup_overrides=None, raw_id_admin=False):
+        try:
+            self.to = to._meta
+        except AttributeError: # to._meta doesn't exist, so it must be RECURSIVE_RELATIONSHIP_CONSTANT
+            assert to == RECURSIVE_RELATIONSHIP_CONSTANT, "'to' must be either a model or the string '%s'" % RECURSIVE_RELATIONSHIP_CONSTANT
+            self.to = to
+        self.name, self.field_name = name, field_name
+        self.num_in_admin, self.edit_inline = num_in_admin, edit_inline
+        self.min_num_in_admin, self.max_num_in_admin = min_num_in_admin, max_num_in_admin
+        self.num_extra_on_change = num_extra_on_change
+        self.edit_inline_type, self.related_name = edit_inline_type, related_name
+        self.limit_choices_to = limit_choices_to or {}
+        self.lookup_overrides = lookup_overrides or {}
+        self.raw_id_admin = raw_id_admin
+
+    def get_cache_name(self):
+        return '_%s_cache' % self.name
+
+    def get_related_field(self):
+        "Returns the Field in the 'to' object to which this relationship is tied."
+        return self.to.get_field(self.field_name)
+
+class ManyToMany:
+    def __init__(self, to, name, num_in_admin=0, related_name=None,
+        filter_interface=None, limit_choices_to=None):
+        self.to, self.name = to._meta, name
+        self.num_in_admin = num_in_admin
+        self.related_name = related_name
+        self.filter_interface = filter_interface
+        self.limit_choices_to = limit_choices_to or {}
+        self.edit_inline = False
+
+class OneToOne(ManyToOne):
+    def __init__(self, to, name, field_name, num_in_admin=0, edit_inline=False,
+        edit_inline_type=STACKED, related_name=None, limit_choices_to=None, lookup_overrides=None,
+        raw_id_admin=False):
+        self.to, self.name, self.field_name = to._meta, name, field_name
+        self.num_in_admin, self.edit_inline = num_in_admin, edit_inline
+        self.edit_inline_type, self.related_name = edit_inline_type, related_name
+        self.limit_choices_to = limit_choices_to or {}
+        self.lookup_overrides = lookup_overrides or {}
+        self.raw_id_admin = raw_id_admin
+
+class Admin:
+    def __init__(self, fields=None, js=None, list_display=None, list_filter=None, date_hierarchy=None,
+        save_as=False, ordering=None, search_fields=None, save_on_top=False):
+        self.fields = fields
+        self.js = js or []
+        self.list_display = list_display or ['__repr__']
+        self.list_filter = list_filter or []
+        self.date_hierarchy = date_hierarchy
+        self.save_as, self.ordering = save_as, ordering
+        self.search_fields = search_fields or []
+        self.save_on_top = save_on_top
+
+    def get_field_objs(self, opts):
+        """
+        Returns self.fields, except with fields as Field objects instead of
+        field names. If self.fields is None, defaults to putting every
+        non-AutoField field with editable=True in a single fieldset.
+        """
+        if self.fields is None:
+            field_struct = ((None, {'fields': [f.name for f in opts.fields + opts.many_to_many if f.editable and not isinstance(f, AutoField)]}),)
+        else:
+            field_struct = self.fields
+        new_fieldset_list = []
+        for fieldset in field_struct:
+            new_fieldset = [fieldset[0], {}]
+            new_fieldset[1].update(fieldset[1])
+            admin_fields = []
+            for field_name_or_list in fieldset[1]['fields']:
+                if isinstance(field_name_or_list, basestring):
+                    admin_fields.append([opts.get_field(field_name_or_list)])
+                else:
+                    admin_fields.append([opts.get_field(field_name) for field_name in field_name_or_list])
+            new_fieldset[1]['fields'] = admin_fields
+            new_fieldset_list.append(new_fieldset)
+        return new_fieldset_list
diff --git a/django/models/__init__.py b/django/models/__init__.py
index b4a1d75617b..32350200a09 100644
--- a/django/models/__init__.py
+++ b/django/models/__init__.py
@@ -1,4 +1,5 @@
 from django.core import meta
+from django.utils.functional import curry
 
 __all__ = ['auth', 'core']
 
@@ -28,30 +29,30 @@ for mod in modules:
             if isinstance(rel_field.rel, meta.OneToOne):
                 # Add "get_thingie" methods for one-to-one related objects.
                 # EXAMPLE: Place.get_restaurants_restaurant()
-                func = meta.curry(meta.method_get_related, 'get_object', rel_mod, rel_field)
+                func = curry(meta.method_get_related, 'get_object', rel_mod, rel_field)
                 func.__doc__ = "Returns the associated `%s.%s` object." % (rel_obj.app_label, rel_obj.module_name)
                 setattr(klass, 'get_%s' % rel_obj_name, func)
             elif isinstance(rel_field.rel, meta.ManyToOne):
                 # Add "get_thingie" methods for many-to-one related objects.
                 # EXAMPLE: Poll.get_choice()
-                func = meta.curry(meta.method_get_related, 'get_object', rel_mod, rel_field)
+                func = curry(meta.method_get_related, 'get_object', rel_mod, rel_field)
                 func.__doc__ = "Returns the associated `%s.%s` object matching the given criteria." % (rel_obj.app_label, rel_obj.module_name)
                 setattr(klass, 'get_%s' % rel_obj_name, func)
                 # Add "get_thingie_count" methods for many-to-one related objects.
                 # EXAMPLE: Poll.get_choice_count()
-                func = meta.curry(meta.method_get_related, 'get_count', rel_mod, rel_field)
+                func = curry(meta.method_get_related, 'get_count', rel_mod, rel_field)
                 func.__doc__ = "Returns the number of associated `%s.%s` objects." % (rel_obj.app_label, rel_obj.module_name)
                 setattr(klass, 'get_%s_count' % rel_obj_name, func)
                 # Add "get_thingie_list" methods for many-to-one related objects.
                 # EXAMPLE: Poll.get_choice_list()
-                func = meta.curry(meta.method_get_related, 'get_list', rel_mod, rel_field)
+                func = curry(meta.method_get_related, 'get_list', rel_mod, rel_field)
                 func.__doc__ = "Returns a list of associated `%s.%s` objects." % (rel_obj.app_label, rel_obj.module_name)
                 setattr(klass, 'get_%s_list' % rel_obj_name, func)
                 # Add "add_thingie" methods for many-to-one related objects,
                 # but only for related objects that are in the same app.
                 # EXAMPLE: Poll.add_choice()
                 if rel_obj.app_label == klass._meta.app_label:
-                    func = meta.curry(meta.method_add_related, rel_obj, rel_mod, rel_field)
+                    func = curry(meta.method_add_related, rel_obj, rel_mod, rel_field)
                     func.alters_data = True
                     setattr(klass, 'add_%s' % rel_obj_name, func)
                 del func
@@ -61,11 +62,11 @@ for mod in modules:
         for rel_opts, rel_field in klass._meta.get_all_related_many_to_many_objects():
             rel_mod = rel_opts.get_model_module()
             rel_obj_name = klass._meta.get_rel_object_method_name(rel_opts, rel_field)
-            setattr(klass, 'get_%s' % rel_obj_name, meta.curry(meta.method_get_related_many_to_many, 'get_object', rel_mod, rel_field))
-            setattr(klass, 'get_%s_count' % rel_obj_name, meta.curry(meta.method_get_related_many_to_many, 'get_count', rel_mod, rel_field))
-            setattr(klass, 'get_%s_list' % rel_obj_name, meta.curry(meta.method_get_related_many_to_many, 'get_list', rel_mod, rel_field))
+            setattr(klass, 'get_%s' % rel_obj_name, curry(meta.method_get_related_many_to_many, 'get_object', rel_mod, rel_field))
+            setattr(klass, 'get_%s_count' % rel_obj_name, curry(meta.method_get_related_many_to_many, 'get_count', rel_mod, rel_field))
+            setattr(klass, 'get_%s_list' % rel_obj_name, curry(meta.method_get_related_many_to_many, 'get_list', rel_mod, rel_field))
             if rel_opts.app_label == klass._meta.app_label:
-                func = meta.curry(meta.method_set_related_many_to_many, rel_opts, rel_field)
+                func = curry(meta.method_set_related_many_to_many, rel_opts, rel_field)
                 func.alters_data = True
                 setattr(klass, 'set_%s' % rel_opts.module_name, func)
                 del func
@@ -74,12 +75,12 @@ for mod in modules:
         # Add "set_thingie_order" and "get_thingie_order" methods for objects
         # that are ordered with respect to this.
         for obj in klass._meta.get_ordered_objects():
-            func = meta.curry(meta.method_set_order, obj)
+            func = curry(meta.method_set_order, obj)
             func.__doc__ = "Sets the order of associated `%s.%s` objects to the given ID list." % (obj.app_label, obj.module_name)
             func.alters_data = True
             setattr(klass, 'set_%s_order' % obj.object_name.lower(), func)
 
-            func = meta.curry(meta.method_get_order, obj)
+            func = curry(meta.method_get_order, obj)
             func.__doc__ = "Returns the order of associated `%s.%s` objects as a list of IDs." % (obj.app_label, obj.module_name)
             setattr(klass, 'get_%s_order' % obj.object_name.lower(), func)
             del func, obj # clean up
diff --git a/django/templatetags/adminapplist.py b/django/templatetags/adminapplist.py
index 069fb4529b9..1f5e3db1250 100644
--- a/django/templatetags/adminapplist.py
+++ b/django/templatetags/adminapplist.py
@@ -6,10 +6,11 @@ class AdminApplistNode(template.Node):
 
     def render(self, context):
         from django.core import meta
+        from django.utils.text import capfirst
         app_list = []
         for app in meta.get_installed_model_modules():
             app_label = app.__name__[app.__name__.rindex('.')+1:]
-            model_list = [{'name': meta.capfirst(m._meta.verbose_name_plural),
+            model_list = [{'name': capfirst(m._meta.verbose_name_plural),
                             'admin_url': '%s/%s/' % (app_label, m._meta.module_name)} \
                             for m in app._MODELS if m._meta.admin]
             if model_list:
diff --git a/django/utils/functional.py b/django/utils/functional.py
new file mode 100644
index 00000000000..f3b05987636
--- /dev/null
+++ b/django/utils/functional.py
@@ -0,0 +1,4 @@
+def curry(*args, **kwargs):
+    def _curried(*moreargs, **morekwargs):
+        return args[0](*(args[1:]+moreargs), **dict(kwargs.items() + morekwargs.items()))
+    return _curried
diff --git a/django/utils/text.py b/django/utils/text.py
index a0d106bb311..d8b2e16e820 100644
--- a/django/utils/text.py
+++ b/django/utils/text.py
@@ -1,5 +1,8 @@
 import re
 
+# Capitalizes the first letter of a string.
+capfirst = lambda x: x and x[0].upper() + x[1:]
+
 def wrap(text, width):
     """
     A word-wrap function that preserves existing line breaks and most spaces in
diff --git a/django/views/admin/main.py b/django/views/admin/main.py
index 4b812a802cd..9b0c4594183 100644
--- a/django/views/admin/main.py
+++ b/django/views/admin/main.py
@@ -6,7 +6,7 @@ from django.core.extensions import DjangoContext as Context
 from django.models.auth import log
 from django.utils.html import strip_tags
 from django.utils.httpwrappers import HttpResponse, HttpResponseRedirect
-from django.utils.text import get_text_list
+from django.utils.text import capfirst, get_text_list
 from django.conf.settings import ADMIN_MEDIA_PREFIX
 import operator
 
@@ -266,7 +266,7 @@ def change_list(request, app_label, module_name):
     raw_template = ['{% extends "base_site" %}\n']
     raw_template.append('{% block bodyclass %}change-list{% endblock %}\n')
     if not is_popup:
-        raw_template.append('{%% block breadcrumbs %%}<div class="breadcrumbs"><a href="../../">Home</a> &rsaquo; %s</div>{%% endblock %%}\n' % meta.capfirst(opts.verbose_name_plural))
+        raw_template.append('{%% block breadcrumbs %%}<div class="breadcrumbs"><a href="../../">Home</a> &rsaquo; %s</div>{%% endblock %%}\n' % capfirst(opts.verbose_name_plural))
     raw_template.append('{% block coltype %}flex{% endblock %}')
     raw_template.append('{% block content %}\n')
     raw_template.append('<div id="content-main">\n')
@@ -356,10 +356,10 @@ def change_list(request, app_label, module_name):
                     except AttributeError:
                         header = func.__name__
                 # Non-field list_display values don't get ordering capability.
-                raw_template.append('<th>%s</th>' % meta.capfirst(header))
+                raw_template.append('<th>%s</th>' % capfirst(header))
             else:
                 if isinstance(f.rel, meta.ManyToOne) and f.null:
-                    raw_template.append('<th>%s</th>' % meta.capfirst(f.verbose_name))
+                    raw_template.append('<th>%s</th>' % capfirst(f.verbose_name))
                 else:
                     th_classes = []
                     new_order_type = 'asc'
@@ -369,7 +369,7 @@ def change_list(request, app_label, module_name):
                     raw_template.append('<th%s><a href="%s">%s</a></th>' % \
                         ((th_classes and ' class="%s"' % ' '.join(th_classes) or ''),
                         get_query_string(params, {ORDER_VAR: i, ORDER_TYPE_VAR: new_order_type}),
-                        meta.capfirst(f.verbose_name)))
+                        capfirst(f.verbose_name)))
         raw_template.append('</tr>\n</thead>\n')
         # Result rows.
         pk = lookup_opts.pk.name
@@ -572,7 +572,7 @@ def _get_template(opts, app_label, add=False, change=False, show_delete=False, f
     t.append('{%% block bodyclass %%}%s-%s change-form{%% endblock %%}\n' % (app_label, opts.object_name.lower()))
     breadcrumb_title = add and "Add %s" % opts.verbose_name or '{{ original|striptags|truncatewords:"18" }}'
     t.append('{%% block breadcrumbs %%}{%% if not is_popup %%}<div class="breadcrumbs"><a href="../../../">Home</a> &rsaquo; <a href="../">%s</a> &rsaquo; %s</div>{%% endif %%}{%% endblock %%}\n' % \
-        (meta.capfirst(opts.verbose_name_plural), breadcrumb_title))
+        (capfirst(opts.verbose_name_plural), breadcrumb_title))
     t.append('{% block content %}<div id="content-main">\n')
     if change:
         t.append('{% if not is_popup %}')
@@ -613,12 +613,12 @@ def _get_template(opts, app_label, add=False, change=False, show_delete=False, f
         if change and hasattr(rel_obj, 'get_absolute_url'):
             view_on_site = '{%% if %s.original %%}<a href="/r/{{ %s.content_type_id }}/{{ %s.original.id }}/">View on site</a>{%% endif %%}' % (var_name, var_name, var_name)
         if rel_field.rel.edit_inline_type == meta.TABULAR:
-            t.append('<h2>%s</h2>\n<table>\n' % meta.capfirst(rel_obj.verbose_name_plural))
+            t.append('<h2>%s</h2>\n<table>\n' % capfirst(rel_obj.verbose_name_plural))
             t.append('<thead><tr>')
             for f in field_list:
                 if isinstance(f, meta.AutoField):
                     continue
-                t.append('<th%s>%s</th>' % (f.blank and ' class="optional"' or '', meta.capfirst(f.verbose_name)))
+                t.append('<th%s>%s</th>' % (f.blank and ' class="optional"' or '', capfirst(f.verbose_name)))
             t.append('</tr></thead>\n')
             t.append('{%% for %s in form.%s %%}\n' % (var_name, rel_obj.module_name))
             if change:
@@ -656,7 +656,7 @@ def _get_template(opts, app_label, add=False, change=False, show_delete=False, f
             t.append('{% endfor %}\n')
         else: # edit_inline_type == STACKED
             t.append('{%% for %s in form.%s %%}' % (var_name, rel_obj.module_name))
-            t.append('<h2>%s #{{ forloop.counter }}</h2>' % meta.capfirst(rel_obj.verbose_name))
+            t.append('<h2>%s #{{ forloop.counter }}</h2>' % capfirst(rel_obj.verbose_name))
             if view_on_site:
                 t.append('<p>%s</p>' % view_on_site)
             for f in field_list:
@@ -710,14 +710,14 @@ def _get_admin_field(field_list, name_prefix, rel, add, change):
         # the *left* of the label.
         if isinstance(field, meta.BooleanField):
             t.append(_get_admin_field_form_widget(field, name_prefix, rel, add, change))
-            t.append(' <label for="%s" class="vCheckboxLabel">%s</label>' % (label_name, meta.capfirst(field.verbose_name)))
+            t.append(' <label for="%s" class="vCheckboxLabel">%s</label>' % (label_name, capfirst(field.verbose_name)))
         else:
             class_names = []
             if not field.blank:
                 class_names.append('required')
             if i > 0:
                 class_names.append('inline')
-            t.append('<label for="%s"%s>%s:</label> ' % (label_name, class_names and ' class="%s"' % ' '.join(class_names) or '', meta.capfirst(field.verbose_name)))
+            t.append('<label for="%s"%s>%s:</label> ' % (label_name, class_names and ' class="%s"' % ' '.join(class_names) or '', capfirst(field.verbose_name)))
             t.append(_get_admin_field_form_widget(field, name_prefix, rel, add, change))
         if change and use_raw_id_admin(field):
             obj_repr = '%soriginal.get_%s|truncatewords:"14"' % (rel and name_prefix or '', field.rel.name)
@@ -991,11 +991,11 @@ def _get_deleted_objects(deleted_objects, perms_needed, user, obj, opts, current
                 if rel_field.rel.edit_inline or not rel_opts.admin:
                     # Don't display link to edit, because it either has no
                     # admin or is edited inline.
-                    nh(deleted_objects, current_depth, ['%s: %r' % (meta.capfirst(rel_opts.verbose_name), sub_obj), []])
+                    nh(deleted_objects, current_depth, ['%s: %r' % (capfirst(rel_opts.verbose_name), sub_obj), []])
                 else:
                     # Display a link to the admin page.
                     nh(deleted_objects, current_depth, ['%s: <a href="../../../../%s/%s/%s/">%r</a>' % \
-                        (meta.capfirst(rel_opts.verbose_name), rel_opts.app_label, rel_opts.module_name,
+                        (capfirst(rel_opts.verbose_name), rel_opts.app_label, rel_opts.module_name,
                         getattr(sub_obj, rel_opts.pk.name), sub_obj), []])
                 _get_deleted_objects(deleted_objects, perms_needed, user, sub_obj, rel_opts, current_depth+2)
         else:
@@ -1005,11 +1005,11 @@ def _get_deleted_objects(deleted_objects, perms_needed, user, obj, opts, current
                 if rel_field.rel.edit_inline or not rel_opts.admin:
                     # Don't display link to edit, because it either has no
                     # admin or is edited inline.
-                    nh(deleted_objects, current_depth, ['%s: %s' % (meta.capfirst(rel_opts.verbose_name), strip_tags(repr(sub_obj))), []])
+                    nh(deleted_objects, current_depth, ['%s: %s' % (capfirst(rel_opts.verbose_name), strip_tags(repr(sub_obj))), []])
                 else:
                     # Display a link to the admin page.
                     nh(deleted_objects, current_depth, ['%s: <a href="../../../../%s/%s/%s/">%s</a>' % \
-                        (meta.capfirst(rel_opts.verbose_name), rel_opts.app_label, rel_opts.module_name, sub_obj.id, strip_tags(repr(sub_obj))), []])
+                        (capfirst(rel_opts.verbose_name), rel_opts.app_label, rel_opts.module_name, sub_obj.id, strip_tags(repr(sub_obj))), []])
                 _get_deleted_objects(deleted_objects, perms_needed, user, sub_obj, rel_opts, current_depth+2)
             # If there were related objects, and the user doesn't have
             # permission to delete them, add the missing perm to perms_needed.
@@ -1053,7 +1053,7 @@ def delete_stage(request, app_label, module_name, object_id):
 
     # Populate deleted_objects, a data structure of all related objects that
     # will also be deleted.
-    deleted_objects = ['%s: <a href="../../%s/">%s</a>' % (meta.capfirst(opts.verbose_name), object_id, strip_tags(repr(obj))), []]
+    deleted_objects = ['%s: <a href="../../%s/">%s</a>' % (capfirst(opts.verbose_name), object_id, strip_tags(repr(obj))), []]
     perms_needed = sets.Set()
     _get_deleted_objects(deleted_objects, perms_needed, request.user, obj, opts, 1)
 
@@ -1088,7 +1088,7 @@ def history(request, app_label, module_name, object_id):
     c = Context(request, {
         'title': 'Change history: %r' % obj,
         'action_list': action_list,
-        'module_name': meta.capfirst(opts.verbose_name_plural),
+        'module_name': capfirst(opts.verbose_name_plural),
         'object': obj,
     })
     return HttpResponse(t.render(c), mimetype='text/html; charset=utf-8')