Fixed #17627 -- Renamed util.py files to utils.py

Thanks PaulM for the suggestion and Luke Granger-Brown and
Wiktor Kołodziej for the initial patch.

39 files changed, 63 insertions, 62 deletions

diff --git a/django/contrib/admin/actions.py b/django/contrib/admin/actions.py
index a4c5828f37..f67599a432 100644
--- a/django/contrib/admin/actions.py
+++ b/django/contrib/admin/actions.py
@@ -5,7 +5,7 @@ Built-in, globally-available admin actions.
 from django.core.exceptions import PermissionDenied
 from django.contrib import messages
 from django.contrib.admin import helpers
-from django.contrib.admin.util import get_deleted_objects, model_ngettext
+from django.contrib.admin.utils import get_deleted_objects, model_ngettext
 from django.db import router
 from django.template.response import TemplateResponse
 from django.utils.encoding import force_text
diff --git a/django/contrib/admin/filters.py b/django/contrib/admin/filters.py
index 7bba3a797f..4f04a474dd 100644
--- a/django/contrib/admin/filters.py
+++ b/django/contrib/admin/filters.py
@@ -12,7 +12,7 @@ from django.core.exceptions import ImproperlyConfigured, ValidationError
 from django.utils.encoding import smart_text, force_text
 from django.utils.translation import ugettext_lazy as _
 from django.utils import timezone
-from django.contrib.admin.util import (get_model_from_relation,
+from django.contrib.admin.utils import (get_model_from_relation,
     reverse_field_path, get_limit_choices_to_from_path, prepare_lookup_value)
 from django.contrib.admin.options import IncorrectLookupParameters
 
diff --git a/django/contrib/admin/helpers.py b/django/contrib/admin/helpers.py
index a91988bc47..cd784f5cbd 100644
--- a/django/contrib/admin/helpers.py
+++ b/django/contrib/admin/helpers.py
@@ -1,13 +1,13 @@
 from __future__ import unicode_literals
 
 from django import forms
-from django.contrib.admin.util import (flatten_fieldsets, lookup_field,
+from django.contrib.admin.utils import (flatten_fieldsets, lookup_field,
     display_for_field, label_for_field, help_text_for_field)
 from django.contrib.admin.templatetags.admin_static import static
 from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ObjectDoesNotExist
 from django.db.models.fields.related import ManyToManyRel
-from django.forms.util import flatatt
+from django.forms.utils import flatatt
 from django.template.defaultfilters import capfirst
 from django.utils.encoding import force_text, smart_text
 from django.utils.html import conditional_escape, format_html
@@ -308,7 +308,7 @@ class InlineFieldset(Fieldset):
             yield Fieldline(self.form, field, self.readonly_fields,
                 model_admin=self.model_admin)
 
-class AdminErrorList(forms.util.ErrorList):
+class AdminErrorList(forms.utils.ErrorList):
     """
     Stores all errors for the form/formsets in an add/change stage view.
     """
diff --git a/django/contrib/admin/models.py b/django/contrib/admin/models.py
index dc282b7e57..870c2b27a1 100644
--- a/django/contrib/admin/models.py
+++ b/django/contrib/admin/models.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.db import models
 from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
-from django.contrib.admin.util import quote
+from django.contrib.admin.utils import quote
 from django.core.urlresolvers import reverse, NoReverseMatch
 from django.utils.translation import ugettext, ugettext_lazy as _
 from django.utils.encoding import smart_text
diff --git a/django/contrib/admin/options.py b/django/contrib/admin/options.py
index 1b215879d1..937bbd1ebb 100644
--- a/django/contrib/admin/options.py
+++ b/django/contrib/admin/options.py
@@ -8,7 +8,7 @@ from django import forms
 from django.conf import settings
 from django.contrib import messages
 from django.contrib.admin import widgets, helpers
-from django.contrib.admin.util import (unquote, flatten_fieldsets, get_deleted_objects,
+from django.contrib.admin.utils import (unquote, flatten_fieldsets, get_deleted_objects,
     model_format_dict, NestedObjects, lookup_needs_distinct)
 from django.contrib.admin import validation
 from django.contrib.admin.templatetags.admin_static import static
diff --git a/django/contrib/admin/templatetags/admin_list.py b/django/contrib/admin/templatetags/admin_list.py
index ba109d1454..2b1fd8ad34 100644
--- a/django/contrib/admin/templatetags/admin_list.py
+++ b/django/contrib/admin/templatetags/admin_list.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 import datetime
 
 from django.contrib.admin.templatetags.admin_urls import add_preserved_filters
-from django.contrib.admin.util import (lookup_field, display_for_field,
+from django.contrib.admin.utils import (lookup_field, display_for_field,
     display_for_value, label_for_field)
 from django.contrib.admin.views.main import (ALL_VAR, EMPTY_CHANGELIST_VALUE,
     ORDER_VAR, PAGE_VAR, SEARCH_VAR)
diff --git a/django/contrib/admin/templatetags/admin_urls.py b/django/contrib/admin/templatetags/admin_urls.py
index fd45bf306a..68c7083ecf 100644
--- a/django/contrib/admin/templatetags/admin_urls.py
+++ b/django/contrib/admin/templatetags/admin_urls.py
@@ -4,7 +4,7 @@ except ImportError:
     from urlparse import parse_qsl, urlparse, urlunparse
 
 from django import template
-from django.contrib.admin.util import quote
+from django.contrib.admin.utils import quote
 from django.core.urlresolvers import resolve, Resolver404
 from django.utils.http import urlencode
 
diff --git a/django/contrib/admin/util.py b/django/contrib/admin/utils.py
index f9b17ad186..f9b17ad186 100644
--- a/django/contrib/admin/util.py
+++ b/django/contrib/admin/utils.py
diff --git a/django/contrib/admin/validation.py b/django/contrib/admin/validation.py
index fb9634d114..495f72f727 100644
--- a/django/contrib/admin/validation.py
+++ b/django/contrib/admin/validation.py
@@ -2,7 +2,7 @@ from django.core.exceptions import ImproperlyConfigured
 from django.db import models
 from django.db.models.fields import FieldDoesNotExist
 from django.forms.models import BaseModelForm, BaseModelFormSet, _get_foreign_key
-from django.contrib.admin.util import get_fields_from_path, NotRelationField
+from django.contrib.admin.utils import get_fields_from_path, NotRelationField
 
 """
 Does basic ModelAdmin option validation. Calls custom validation
diff --git a/django/contrib/admin/views/main.py b/django/contrib/admin/views/main.py
index 14f7655251..cea0cba2b8 100644
--- a/django/contrib/admin/views/main.py
+++ b/django/contrib/admin/views/main.py
@@ -16,7 +16,7 @@ from django.utils.http import urlencode
 from django.contrib.admin import FieldListFilter
 from django.contrib.admin.exceptions import DisallowedModelAdminLookup
 from django.contrib.admin.options import IncorrectLookupParameters, IS_POPUP_VAR, TO_FIELD_VAR
-from django.contrib.admin.util import (quote, get_fields_from_path,
+from django.contrib.admin.utils import (quote, get_fields_from_path,
     lookup_needs_distinct, prepare_lookup_value)
 
 # Changelist settings
diff --git a/django/contrib/admin/widgets.py b/django/contrib/admin/widgets.py
index fe6c9e13a9..2d50f47396 100644
--- a/django/contrib/admin/widgets.py
+++ b/django/contrib/admin/widgets.py
@@ -9,7 +9,7 @@ from django import forms
 from django.contrib.admin.templatetags.admin_static import static
 from django.core.urlresolvers import reverse
 from django.forms.widgets import RadioFieldRenderer
-from django.forms.util import flatatt
+from django.forms.utils import flatatt
 from django.utils.html import escape, format_html, format_html_join, smart_urlquote
 from django.utils.text import Truncator
 from django.utils.translation import ugettext as _
diff --git a/django/contrib/auth/forms.py b/django/contrib/auth/forms.py
index 98956771b3..5019e9ab9e 100644
--- a/django/contrib/auth/forms.py
+++ b/django/contrib/auth/forms.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from collections import OrderedDict
 
 from django import forms
-from django.forms.util import flatatt
+from django.forms.utils import flatatt
 from django.template import loader
 from django.utils.encoding import force_bytes
 from django.utils.html import format_html, format_html_join
diff --git a/django/contrib/comments/forms.py b/django/contrib/comments/forms.py
index bd254d2733..17d2ef8f09 100644
--- a/django/contrib/comments/forms.py
+++ b/django/contrib/comments/forms.py
@@ -1,6 +1,6 @@
 import time
 from django import forms
-from django.forms.util import ErrorDict
+from django.forms.utils import ErrorDict
 from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.comments.models import Comment
diff --git a/django/contrib/gis/db/backends/oracle/creation.py b/django/contrib/gis/db/backends/oracle/creation.py
index 043da916f5..14f8d4d150 100644
--- a/django/contrib/gis/db/backends/oracle/creation.py
+++ b/django/contrib/gis/db/backends/oracle/creation.py
@@ -1,5 +1,5 @@
 from django.db.backends.oracle.creation import DatabaseCreation
-from django.db.backends.util import truncate_name
+from django.db.backends.utils import truncate_name
 
 class OracleCreation(DatabaseCreation):
 
diff --git a/django/contrib/gis/db/backends/oracle/operations.py b/django/contrib/gis/db/backends/oracle/operations.py
index 628018320b..a8f798d300 100644
--- a/django/contrib/gis/db/backends/oracle/operations.py
+++ b/django/contrib/gis/db/backends/oracle/operations.py
@@ -13,7 +13,7 @@ from decimal import Decimal
 from django.db.backends.oracle.base import DatabaseOperations
 from django.contrib.gis.db.backends.base import BaseSpatialOperations
 from django.contrib.gis.db.backends.oracle.adapter import OracleSpatialAdapter
-from django.contrib.gis.db.backends.util import SpatialFunction
+from django.contrib.gis.db.backends.utils import SpatialFunction
 from django.contrib.gis.geometry.backend import Geometry
 from django.contrib.gis.measure import Distance
 from django.utils import six
diff --git a/django/contrib/gis/db/backends/postgis/operations.py b/django/contrib/gis/db/backends/postgis/operations.py
index 3863bea992..0bff02cd11 100644
--- a/django/contrib/gis/db/backends/postgis/operations.py
+++ b/django/contrib/gis/db/backends/postgis/operations.py
@@ -3,7 +3,7 @@ from decimal import Decimal
 
 from django.conf import settings
 from django.contrib.gis.db.backends.base import BaseSpatialOperations
-from django.contrib.gis.db.backends.util import SpatialOperation, SpatialFunction
+from django.contrib.gis.db.backends.utils import SpatialOperation, SpatialFunction
 from django.contrib.gis.db.backends.postgis.adapter import PostGISAdapter
 from django.contrib.gis.geometry.backend import Geometry
 from django.contrib.gis.measure import Distance
diff --git a/django/contrib/gis/db/backends/spatialite/operations.py b/django/contrib/gis/db/backends/spatialite/operations.py
index 3cb2004dfd..b20b1b9157 100644
--- a/django/contrib/gis/db/backends/spatialite/operations.py
+++ b/django/contrib/gis/db/backends/spatialite/operations.py
@@ -3,7 +3,7 @@ import sys
 from decimal import Decimal
 
 from django.contrib.gis.db.backends.base import BaseSpatialOperations
-from django.contrib.gis.db.backends.util import SpatialOperation, SpatialFunction
+from django.contrib.gis.db.backends.utils import SpatialOperation, SpatialFunction
 from django.contrib.gis.db.backends.spatialite.adapter import SpatiaLiteAdapter
 from django.contrib.gis.geometry.backend import Geometry
 from django.contrib.gis.measure import Distance
diff --git a/django/contrib/gis/db/backends/util.py b/django/contrib/gis/db/backends/utils.py
index 2612810659..2612810659 100644
--- a/django/contrib/gis/db/backends/util.py
+++ b/django/contrib/gis/db/backends/utils.py
diff --git a/django/contrib/gis/db/models/sql/compiler.py b/django/contrib/gis/db/models/sql/compiler.py
index b89df0ae95..94ce30ba5d 100644
--- a/django/contrib/gis/db/models/sql/compiler.py
+++ b/django/contrib/gis/db/models/sql/compiler.py
@@ -1,7 +1,7 @@
 import datetime
 
 from django.conf import settings
-from django.db.backends.util import truncate_name, typecast_date, typecast_timestamp
+from django.db.backends.utils import truncate_name, typecast_date, typecast_timestamp
 from django.db.models.sql import compiler
 from django.db.models.sql.constants import MULTI
 from django.utils import six
diff --git a/django/db/backends/__init__.py b/django/db/backends/__init__.py
index 44024c5349..49d6b80ae4 100644
--- a/django/db/backends/__init__.py
+++ b/django/db/backends/__init__.py
@@ -14,7 +14,7 @@ from importlib import import_module
 from django.conf import settings
 from django.db import DEFAULT_DB_ALIAS
 from django.db.backends.signals import connection_created
-from django.db.backends import util
+from django.db.backends import utils
 from django.db.transaction import TransactionManagementError
 from django.db.utils import DatabaseErrorWrapper
 from django.utils.functional import cached_property
@@ -158,7 +158,7 @@ class BaseDatabaseWrapper(object):
             (self.use_debug_cursor is None and settings.DEBUG)):
             cursor = self.make_debug_cursor(self._cursor())
         else:
-            cursor = util.CursorWrapper(self._cursor(), self)
+            cursor = utils.CursorWrapper(self._cursor(), self)
         return cursor
 
     def commit(self):
@@ -495,7 +495,7 @@ class BaseDatabaseWrapper(object):
         """
         Creates a cursor that logs all queries in self.queries.
         """
-        return util.CursorDebugWrapper(cursor, self)
+        return utils.CursorDebugWrapper(cursor, self)
 
     @contextmanager
     def temporary_connection(self):
@@ -1131,7 +1131,7 @@ class BaseDatabaseOperations(object):
         """
         if value is None:
             return None
-        return util.format_number(value, max_digits, decimal_places)
+        return utils.format_number(value, max_digits, decimal_places)
 
     def year_lookup_bounds_for_date_field(self, value):
         """
diff --git a/django/db/backends/creation.py b/django/db/backends/creation.py
index eba3952d0f..9c700c96b2 100644
--- a/django/db/backends/creation.py
+++ b/django/db/backends/creation.py
@@ -8,7 +8,7 @@ from django.db.utils import load_backend
 from django.utils.encoding import force_bytes
 from django.utils.six.moves import input
 
-from .util import truncate_name
+from .utils import truncate_name
 
 # The prefix to put on the default database name when creating
 # the test database.
diff --git a/django/db/backends/mysql/base.py b/django/db/backends/mysql/base.py
index a5fcead7fb..2d33f45705 100644
--- a/django/db/backends/mysql/base.py
+++ b/django/db/backends/mysql/base.py
@@ -37,7 +37,7 @@ except ImportError:
 
 from django.conf import settings
 from django.db import utils
-from django.db.backends import (util, BaseDatabaseFeatures,
+from django.db.backends import (utils as backend_utils, BaseDatabaseFeatures,
     BaseDatabaseOperations, BaseDatabaseWrapper)
 from django.db.backends.mysql.client import DatabaseClient
 from django.db.backends.mysql.creation import DatabaseCreation
@@ -91,9 +91,9 @@ def adapt_datetime_with_timezone_support(value, conv):
 # timezone support is active, Django expects timezone-aware datetime objects.
 django_conversions = conversions.copy()
 django_conversions.update({
-    FIELD_TYPE.TIME: util.typecast_time,
-    FIELD_TYPE.DECIMAL: util.typecast_decimal,
-    FIELD_TYPE.NEWDECIMAL: util.typecast_decimal,
+    FIELD_TYPE.TIME: backend_utils.typecast_time,
+    FIELD_TYPE.DECIMAL: backend_utils.typecast_decimal,
+    FIELD_TYPE.NEWDECIMAL: backend_utils.typecast_decimal,
     FIELD_TYPE.DATETIME: parse_datetime_with_timezone_support,
     datetime.datetime: adapt_datetime_with_timezone_support,
 })
@@ -109,7 +109,7 @@ server_version_re = re.compile(r'(\d{1,2})\.(\d{1,2})\.(\d{1,2})')
 # MySQL-4.1 and newer, so the MysqlDebugWrapper is unnecessary. Since the
 # point is to raise Warnings as exceptions, this can be done with the Python
 # warning module, and this is setup when the connection is created, and the
-# standard util.CursorDebugWrapper can be used. Also, using sql_mode
+# standard backend_utils.CursorDebugWrapper can be used. Also, using sql_mode
 # TRADITIONAL will automatically cause most warnings to be treated as errors.
 
 class CursorWrapper(object):
diff --git a/django/db/backends/mysql/creation.py b/django/db/backends/mysql/creation.py
index b59b225f4f..b15c3371fb 100644
--- a/django/db/backends/mysql/creation.py
+++ b/django/db/backends/mysql/creation.py
@@ -61,7 +61,7 @@ class DatabaseCreation(BaseDatabaseCreation):
 
         index_name = "%s_%s" % (model._meta.db_table, self._digest([f.name for f in fields]))
 
-        from ..util import truncate_name
+        from ..utils import truncate_name
 
         return [
             style.SQL_KEYWORD("DROP INDEX") + " " +
diff --git a/django/db/backends/oracle/base.py b/django/db/backends/oracle/base.py
index c9b3fbfd27..eead105b24 100644
--- a/django/db/backends/oracle/base.py
+++ b/django/db/backends/oracle/base.py
@@ -53,7 +53,8 @@ except ImportError:
 
 from django.conf import settings
 from django.db import utils
-from django.db.backends import BaseDatabaseFeatures, BaseDatabaseOperations, BaseDatabaseWrapper, BaseDatabaseValidation, util
+from django.db.backends import (BaseDatabaseFeatures, BaseDatabaseOperations,
+    BaseDatabaseWrapper, BaseDatabaseValidation, utils as backend_utils)
 from django.db.backends.oracle.client import DatabaseClient
 from django.db.backends.oracle.creation import DatabaseCreation
 from django.db.backends.oracle.introspection import DatabaseIntrospection
@@ -239,7 +240,7 @@ WHEN (new.%(col_name)s IS NULL)
             value = float(value)
         # Convert floats to decimals
         elif value is not None and field and field.get_internal_type() == 'DecimalField':
-            value = util.typecast_decimal(field.format_number(value))
+            value = backend_utils.typecast_decimal(field.format_number(value))
         # cx_Oracle always returns datetime.datetime objects for
         # DATE and TIMESTAMP columns, but Django wants to see a
         # python datetime.date, .time, or .datetime.  We use the type
@@ -316,7 +317,7 @@ WHEN (new.%(col_name)s IS NULL)
         # always defaults to uppercase.
         # We simplify things by making Oracle identifiers always uppercase.
         if not name.startswith('"') and not name.endswith('"'):
-            name = '"%s"' % util.truncate_name(name.upper(),
+            name = '"%s"' % backend_utils.truncate_name(name.upper(),
                                                self.max_name_length())
         # Oracle puts the query text into a (query % args) construct, so % signs
         # in names need to be escaped. The '%%' will be collapsed back to '%' at
@@ -482,11 +483,11 @@ WHEN (new.%(col_name)s IS NULL)
 
     def _get_sequence_name(self, table):
         name_length = self.max_name_length() - 3
-        return '%s_SQ' % util.truncate_name(table, name_length).upper()
+        return '%s_SQ' % backend_utils.truncate_name(table, name_length).upper()
 
     def _get_trigger_name(self, table):
         name_length = self.max_name_length() - 3
-        return '%s_TR' % util.truncate_name(table, name_length).upper()
+        return '%s_TR' % backend_utils.truncate_name(table, name_length).upper()
 
     def bulk_insert_sql(self, fields, num_values):
         items_sql = "SELECT %s FROM DUAL" % ", ".join(["%s"] * len(fields))
diff --git a/django/db/backends/postgresql_psycopg2/creation.py b/django/db/backends/postgresql_psycopg2/creation.py
index 954e198764..c66b6c6f55 100644
--- a/django/db/backends/postgresql_psycopg2/creation.py
+++ b/django/db/backends/postgresql_psycopg2/creation.py
@@ -1,5 +1,5 @@
 from django.db.backends.creation import BaseDatabaseCreation
-from django.db.backends.util import truncate_name
+from django.db.backends.utils import truncate_name
 
 
 class DatabaseCreation(BaseDatabaseCreation):
diff --git a/django/db/backends/schema.py b/django/db/backends/schema.py
index bc529f47e0..9568400556 100644
--- a/django/db/backends/schema.py
+++ b/django/db/backends/schema.py
@@ -2,7 +2,7 @@ import hashlib
 import operator
 
 from django.db.backends.creation import BaseDatabaseCreation
-from django.db.backends.util import truncate_name
+from django.db.backends.utils import truncate_name
 from django.db.models.fields.related import ManyToManyField
 from django.db.transaction import atomic
 from django.utils.log import getLogger
diff --git a/django/db/backends/sqlite3/base.py b/django/db/backends/sqlite3/base.py
index 8641207aec..80d88c5cab 100644
--- a/django/db/backends/sqlite3/base.py
+++ b/django/db/backends/sqlite3/base.py
@@ -13,7 +13,7 @@ import re
 
 from django.conf import settings
 from django.db import utils
-from django.db.backends import (util, BaseDatabaseFeatures,
+from django.db.backends import (utils as backend_utils, BaseDatabaseFeatures,
     BaseDatabaseOperations, BaseDatabaseWrapper, BaseDatabaseValidation)
 from django.db.backends.sqlite3.client import DatabaseClient
 from django.db.backends.sqlite3.creation import DatabaseCreation
@@ -80,10 +80,10 @@ Database.register_converter(str("date"), decoder(parse_date))
 Database.register_converter(str("datetime"), decoder(parse_datetime_with_timezone_support))
 Database.register_converter(str("timestamp"), decoder(parse_datetime_with_timezone_support))
 Database.register_converter(str("TIMESTAMP"), decoder(parse_datetime_with_timezone_support))
-Database.register_converter(str("decimal"), decoder(util.typecast_decimal))
+Database.register_converter(str("decimal"), decoder(backend_utils.typecast_decimal))
 
 Database.register_adapter(datetime.datetime, adapt_datetime_with_timezone_support)
-Database.register_adapter(decimal.Decimal, util.rev_typecast_decimal)
+Database.register_adapter(decimal.Decimal, backend_utils.rev_typecast_decimal)
 if six.PY2:
     Database.register_adapter(str, lambda s: s.decode('utf-8'))
     Database.register_adapter(SafeBytes, lambda s: s.decode('utf-8'))
@@ -282,7 +282,7 @@ class DatabaseOperations(BaseDatabaseOperations):
 
         internal_type = field.get_internal_type()
         if internal_type == 'DecimalField':
-            return util.typecast_decimal(field.format_number(value))
+            return backend_utils.typecast_decimal(field.format_number(value))
         elif internal_type and internal_type.endswith('IntegerField') or internal_type == 'AutoField':
             return int(value)
         elif internal_type == 'DateField':
@@ -487,7 +487,7 @@ def _sqlite_date_extract(lookup_type, dt):
     if dt is None:
         return None
     try:
-        dt = util.typecast_timestamp(dt)
+        dt = backend_utils.typecast_timestamp(dt)
     except (ValueError, TypeError):
         return None
     if lookup_type == 'week_day':
@@ -498,7 +498,7 @@ def _sqlite_date_extract(lookup_type, dt):
 
 def _sqlite_date_trunc(lookup_type, dt):
     try:
-        dt = util.typecast_timestamp(dt)
+        dt = backend_utils.typecast_timestamp(dt)
     except (ValueError, TypeError):
         return None
     if lookup_type == 'year':
@@ -513,7 +513,7 @@ def _sqlite_datetime_extract(lookup_type, dt, tzname):
     if dt is None:
         return None
     try:
-        dt = util.typecast_timestamp(dt)
+        dt = backend_utils.typecast_timestamp(dt)
     except (ValueError, TypeError):
         return None
     if tzname is not None:
@@ -526,7 +526,7 @@ def _sqlite_datetime_extract(lookup_type, dt, tzname):
 
 def _sqlite_datetime_trunc(lookup_type, dt, tzname):
     try:
-        dt = util.typecast_timestamp(dt)
+        dt = backend_utils.typecast_timestamp(dt)
     except (ValueError, TypeError):
         return None
     if tzname is not None:
@@ -547,7 +547,7 @@ def _sqlite_datetime_trunc(lookup_type, dt, tzname):
 
 def _sqlite_format_dtdelta(dt, conn, days, secs, usecs):
     try:
-        dt = util.typecast_timestamp(dt)
+        dt = backend_utils.typecast_timestamp(dt)
         delta = datetime.timedelta(int(days), int(secs), int(usecs))
         if conn.strip() == '+':
             dt = dt + delta
diff --git a/django/db/backends/util.py b/django/db/backends/utils.py
index f8157c50e7..f8157c50e7 100644
--- a/django/db/backends/util.py
+++ b/django/db/backends/utils.py
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index 5d74e2002d..e019855826 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -1122,14 +1122,14 @@ class DecimalField(Field):
         Formats a number into a string with the requisite number of digits and
         decimal places.
         """
-        # Method moved to django.db.backends.util.
+        # Method moved to django.db.backends.utils.
         #
         # It is preserved because it is used by the oracle backend
         # (django.db.backends.oracle.query), and also for
         # backwards-compatibility with any external code which may have used
         # this method.
-        from django.db.backends import util
-        return util.format_number(value, self.max_digits, self.decimal_places)
+        from django.db.backends import utils
+        return utils.format_number(value, self.max_digits, self.decimal_places)
 
     def get_db_prep_save(self, value, connection):
         return connection.ops.value_to_db_decimal(self.to_python(value),
diff --git a/django/db/models/fields/related.py b/django/db/models/fields/related.py
index 4caed4f559..fd9e8fa4d8 100644
--- a/django/db/models/fields/related.py
+++ b/django/db/models/fields/related.py
@@ -1,7 +1,7 @@
 from operator import attrgetter
 
 from django.db import connection, connections, router
-from django.db.backends import util
+from django.db.backends import utils
 from django.db.models import signals
 from django.db.models.fields import (AutoField, Field, IntegerField,
     PositiveIntegerField, PositiveSmallIntegerField, FieldDoesNotExist)
@@ -1440,7 +1440,7 @@ class ManyToManyField(RelatedField):
         elif self.db_table:
             return self.db_table
         else:
-            return util.truncate_name('%s_%s' % (opts.db_table, self.name),
+            return utils.truncate_name('%s_%s' % (opts.db_table, self.name),
                                       connection.ops.max_name_length())
 
     def _get_m2m_attr(self, related, attr):
diff --git a/django/db/models/options.py b/django/db/models/options.py
index c89270eabb..8e0e1a2210 100644
--- a/django/db/models/options.py
+++ b/django/db/models/options.py
@@ -77,7 +77,7 @@ class Options(object):
 
     def contribute_to_class(self, cls, name):
         from django.db import connection
-        from django.db.backends.util import truncate_name
+        from django.db.backends.utils import truncate_name
 
         cls._meta = self
         self.model = cls
diff --git a/django/db/models/query_utils.py b/django/db/models/query_utils.py
index 2a92978beb..a7d98f60fe 100644
--- a/django/db/models/query_utils.py
+++ b/django/db/models/query_utils.py
@@ -7,7 +7,7 @@ circular import difficulties.
 """
 from __future__ import unicode_literals
 
-from django.db.backends import util
+from django.db.backends import utils
 from django.utils import six
 from django.utils import tree
 
@@ -194,7 +194,7 @@ def deferred_class_factory(model, attrs):
     # name using the passed in attrs. It's OK to reuse an existing class
     # object if the attrs are identical.
     name = "%s_Deferred_%s" % (model.__name__, '_'.join(sorted(list(attrs))))
-    name = util.truncate_name(name, 80, 32)
+    name = utils.truncate_name(name, 80, 32)
 
     overrides = dict((attr, DeferredAttribute(attr, model)) for attr in attrs)
     overrides["Meta"] = Meta
diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py
index c42149e45a..ba2c6c91b3 100644
--- a/django/db/models/sql/compiler.py
+++ b/django/db/models/sql/compiler.py
@@ -2,7 +2,7 @@ import datetime
 
 from django.conf import settings
 from django.core.exceptions import FieldError
-from django.db.backends.util import truncate_name
+from django.db.backends.utils import truncate_name
 from django.db.models.constants import LOOKUP_SEP
 from django.db.models.query_utils import select_related_descend, QueryWrapper
 from django.db.models.sql.constants import (SINGLE, MULTI, ORDER_DIR,
@@ -1049,7 +1049,7 @@ class SQLDateCompiler(SQLCompiler):
             from django.db.models.fields import DateField
             fields = [DateField()]
         else:
-            from django.db.backends.util import typecast_date
+            from django.db.backends.utils import typecast_date
             needs_string_cast = self.connection.features.needs_datetime_string_cast
 
         offset = len(self.query.extra_select)
@@ -1075,7 +1075,7 @@ class SQLDateTimeCompiler(SQLCompiler):
             from django.db.models.fields import DateTimeField
             fields = [DateTimeField()]
         else:
-            from django.db.backends.util import typecast_timestamp
+            from django.db.backends.utils import typecast_timestamp
             needs_string_cast = self.connection.features.needs_datetime_string_cast
 
         offset = len(self.query.extra_select)
diff --git a/django/forms/fields.py b/django/forms/fields.py
index 80550c232b..d90b8dbb51 100644
--- a/django/forms/fields.py
+++ b/django/forms/fields.py
@@ -14,7 +14,7 @@ from io import BytesIO
 
 from django.core import validators
 from django.core.exceptions import ValidationError
-from django.forms.util import ErrorList, from_current_timezone, to_current_timezone
+from django.forms.utils import ErrorList, from_current_timezone, to_current_timezone
 from django.forms.widgets import (
     TextInput, NumberInput, EmailInput, URLInput, HiddenInput,
     MultipleHiddenInput, ClearableFileInput, CheckboxInput, Select,
diff --git a/django/forms/forms.py b/django/forms/forms.py
index e04d6a0781..64d1550066 100644
--- a/django/forms/forms.py
+++ b/django/forms/forms.py
@@ -10,7 +10,7 @@ import warnings
 
 from django.core.exceptions import ValidationError
 from django.forms.fields import Field, FileField
-from django.forms.util import flatatt, ErrorDict, ErrorList
+from django.forms.utils import flatatt, ErrorDict, ErrorList
 from django.forms.widgets import Media, media_property, TextInput, Textarea
 from django.utils.html import conditional_escape, format_html
 from django.utils.encoding import smart_text, force_text, python_2_unicode_compatible
diff --git a/django/forms/formsets.py b/django/forms/formsets.py
index 02b07a8604..59bfe33a63 100644
--- a/django/forms/formsets.py
+++ b/django/forms/formsets.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.core.exceptions import ValidationError
 from django.forms import Form
 from django.forms.fields import IntegerField, BooleanField
-from django.forms.util import ErrorList
+from django.forms.utils import ErrorList
 from django.forms.widgets import HiddenInput
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.functional import cached_property
diff --git a/django/forms/models.py b/django/forms/models.py
index f292606862..c05c452383 100644
--- a/django/forms/models.py
+++ b/django/forms/models.py
@@ -12,7 +12,7 @@ from django.core.exceptions import ValidationError, NON_FIELD_ERRORS, FieldError
 from django.forms.fields import Field, ChoiceField
 from django.forms.forms import BaseForm, get_declared_fields
 from django.forms.formsets import BaseFormSet, formset_factory
-from django.forms.util import ErrorList
+from django.forms.utils import ErrorList
 from django.forms.widgets import (SelectMultiple, HiddenInput,
     MultipleHiddenInput, media_property, CheckboxSelectMultiple)
 from django.utils.encoding import smart_text, force_text
diff --git a/django/forms/util.py b/django/forms/utils.py
index bb5bb8c2e4..bb5bb8c2e4 100644
--- a/django/forms/util.py
+++ b/django/forms/utils.py
diff --git a/django/forms/widgets.py b/django/forms/widgets.py
index ea701bdcf9..372c0f440b 100644
--- a/django/forms/widgets.py
+++ b/django/forms/widgets.py
@@ -9,7 +9,7 @@ from itertools import chain
 import warnings
 
 from django.conf import settings
-from django.forms.util import flatatt, to_current_timezone
+from django.forms.utils import flatatt, to_current_timezone
 from django.utils.datastructures import MultiValueDict, MergeDict
 from django.utils.html import conditional_escape, format_html
 from django.utils.translation import ugettext_lazy