Fixed #16225 -- Removed unused imports. Many thanks to Aymeric Augustin for the work on the patch and Alex for reviewing.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16539 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/bin/profiling/gather_profile_stats.py

@@ -8,8 +8,9 @@ hotshot.stats (the formats are incompatible)
 """
 
 from hotshot import stats
+import os
 import pstats
-import sys, os
+import sys
 
 def gather_stats(p):
     profiles = {}

django/contrib/admin/templatetags/admin_list.py

@@ -1,14 +1,12 @@
 import datetime
 
-from django.conf import settings
 from django.contrib.admin.util import lookup_field, display_for_field, label_for_field
 from django.contrib.admin.views.main import (ALL_VAR, EMPTY_CHANGELIST_VALUE,
-    ORDER_VAR, ORDER_TYPE_VAR, PAGE_VAR, SEARCH_VAR)
+    ORDER_VAR, PAGE_VAR, SEARCH_VAR)
 from django.core.exceptions import ObjectDoesNotExist
 from django.db import models
 from django.templatetags.static import static
 from django.utils import formats
-from django.utils.datastructures import SortedDict
 from django.utils.html import escape, conditional_escape
 from django.utils.safestring import mark_safe
 from django.utils.text import capfirst

django/contrib/admin/widgets.py

@@ -4,7 +4,6 @@ Form Widget classes specific to the Django admin site.
 
 import copy
 from django import forms
-from django.conf import settings
 from django.core.urlresolvers import reverse, NoReverseMatch
 from django.forms.widgets import RadioFieldRenderer
 from django.forms.util import flatatt

django/contrib/admindocs/views.py

@@ -1,4 +1,8 @@
-from django import template, templatetags
+import inspect
+import os
+import re
+
+from django import template
 from django.template import RequestContext
 from django.conf import settings
 from django.contrib.admin.views.decorators import staff_member_required
@@ -12,7 +16,6 @@ from django.contrib.sites.models import Site
 from django.utils.importlib import import_module
 from django.utils.translation import ugettext as _
 from django.utils.safestring import mark_safe
-import inspect, os, re
 
 # Exclude methods starting with these strings from documentation
 MODEL_METHODS_EXCLUDE = ('_', 'add_', 'delete', 'save', 'set_')

django/contrib/auth/__init__.py

@@ -1,4 +1,3 @@
-import datetime
 from warnings import warn
 from django.core.exceptions import ImproperlyConfigured
 from django.utils.importlib import import_module

django/contrib/auth/backends.py

@@ -1,4 +1,3 @@
-from django.db import connection
 from django.contrib.auth.models import User, Permission
 
 

django/contrib/auth/forms.py

@@ -1,10 +1,11 @@
 from django import forms
-from django.template import Context, loader
+from django.template import loader
 from django.utils.http import int_to_base36
 from django.utils.itercompat import any
 from django.utils.translation import ugettext_lazy as _
 
-from django.contrib.auth.models import User, UNUSABLE_PASSWORD
+from django.contrib.auth.models import User
+from django.contrib.auth.utils import UNUSABLE_PASSWORD
 from django.contrib.auth import authenticate
 from django.contrib.auth.tokens import default_token_generator
 from django.contrib.sites.models import get_current_site

django/contrib/auth/management/__init__.py

@@ -102,8 +102,8 @@ def get_default_username(check_db=True):
     :returns: The username, or an empty string if no username can be
         determined.
     """
-    from django.contrib.auth.management.commands.createsuperuser import \
-        RE_VALID_USERNAME
+    from django.contrib.auth.management.commands.createsuperuser import (
+        RE_VALID_USERNAME)
     default_username = get_system_username()
     try:
         default_username = unicodedata.normalize('NFKD', default_username)\

django/contrib/auth/models.py

@@ -10,9 +10,10 @@ from django.utils.translation import ugettext_lazy as _
 
 from django.contrib import auth
 from django.contrib.auth.signals import user_logged_in
+# UNUSABLE_PASSWORD is still imported here for backwards compatibility
 from django.contrib.auth.utils import (get_hexdigest, make_password,
-                                       check_password, is_password_usable,
-                                       get_random_string, UNUSABLE_PASSWORD)
+        check_password, is_password_usable, get_random_string,
+        UNUSABLE_PASSWORD)
 from django.contrib.contenttypes.models import ContentType
 
 def update_last_login(sender, user, **kwargs):

django/contrib/auth/tests/auth_backends.py

@@ -1,5 +1,3 @@
-import warnings
-
 from django.conf import settings
 from django.contrib.auth.models import User, Group, Permission, AnonymousUser
 from django.contrib.contenttypes.models import ContentType

django/contrib/auth/tests/forms.py

@@ -1,6 +1,5 @@
 from __future__ import with_statement
 import os
-from django.conf import settings
 from django.core import mail
 from django.contrib.auth.models import User
 from django.contrib.auth.forms import UserCreationForm, AuthenticationForm,  PasswordChangeForm, SetPasswordForm, UserChangeForm, PasswordResetForm

django/contrib/auth/tests/tokens.py

@@ -1,7 +1,7 @@
 from datetime import date, timedelta
 
 from django.conf import settings
-from django.contrib.auth.models import User, AnonymousUser
+from django.contrib.auth.models import User
 from django.contrib.auth.tokens import PasswordResetTokenGenerator
 from django.test import TestCase
 

django/contrib/formtools/preview.py

@@ -2,12 +2,6 @@
 Formtools Preview application.
 """
 
-try:
-    import cPickle as pickle
-except ImportError:
-    import pickle
-
-from django.conf import settings
 from django.http import Http404
 from django.shortcuts import render_to_response
 from django.template.context import RequestContext

django/contrib/formtools/utils.py

@@ -5,7 +5,6 @@ except ImportError:
 
 import hashlib
 from django.conf import settings
-from django.forms import BooleanField
 from django.utils.crypto import salted_hmac
 
 

django/contrib/formtools/wizard/storage/session.py

@@ -1,4 +1,3 @@
-from django.core.files.uploadedfile import UploadedFile
 from django.contrib.formtools.wizard import storage
 
 

django/contrib/formtools/wizard/tests/namedwizardtests/tests.py

@@ -1,9 +1,6 @@
-import os
-
 from django.core.urlresolvers import reverse
 from django.http import QueryDict
 from django.test import TestCase
-from django.conf import settings
 
 from django.contrib.auth.models import User
 

django/contrib/formtools/wizard/views.py

@@ -1,4 +1,3 @@
-import copy
 import re
 
 from django import forms

django/contrib/gis/admin/options.py

@@ -1,4 +1,3 @@
-from django.conf import settings
 from django.contrib.admin import ModelAdmin
 from django.contrib.gis.admin.widgets import OpenLayersWidget
 from django.contrib.gis.gdal import OGRGeomType

django/contrib/gis/admin/widgets.py

@@ -1,4 +1,3 @@
-from django.conf import settings
 from django.forms.widgets import Textarea
 from django.template import loader, Context
 from django.templatetags.static import static

django/contrib/gis/db/backends/base.py

@@ -3,7 +3,6 @@ Base/mixin classes for the spatial backend database operations and the
 `SpatialRefSys` model the backend.
 """
 import re
-from django.conf import settings
 from django.contrib.gis import gdal
 
 class BaseSpatialOperations(object):

django/contrib/gis/db/backends/oracle/models.py

@@ -8,7 +8,6 @@
  model and the `SDO_COORD_REF_SYS` is used for the SpatialRefSys model.
 """
 from django.contrib.gis.db import models
-from django.contrib.gis.db.models.fields import GeometryField
 from django.contrib.gis.db.backends.base import SpatialRefSysMixin
 
 class GeometryColumns(models.Model):

django/contrib/gis/db/backends/spatialite/base.py

@@ -3,8 +3,9 @@ from django.conf import settings
 
 from django.core.exceptions import ImproperlyConfigured
 from django.db.backends.sqlite3.base import *
-from django.db.backends.sqlite3.base import DatabaseWrapper as SqliteDatabaseWrapper, \
-    _sqlite_extract, _sqlite_date_trunc, _sqlite_regexp
+from django.db.backends.sqlite3.base import (
+    _sqlite_extract, _sqlite_date_trunc, _sqlite_regexp,
+    DatabaseWrapper as SqliteDatabaseWrapper)
 from django.contrib.gis.db.backends.spatialite.client import SpatiaLiteClient
 from django.contrib.gis.db.backends.spatialite.creation import SpatiaLiteCreation
 from django.contrib.gis.db.backends.spatialite.introspection import SpatiaLiteIntrospection

django/contrib/gis/db/models/__init__.py

@@ -8,7 +8,7 @@ from django.contrib.gis.db.models.aggregates import *
 from django.contrib.gis.db.models.manager import GeoManager
 
 # The geographic-enabled fields.
-from django.contrib.gis.db.models.fields import \
-     GeometryField, PointField, LineStringField, PolygonField, \
-     MultiPointField, MultiLineStringField, MultiPolygonField, \
-     GeometryCollectionField
+from django.contrib.gis.db.models.fields import (
+     GeometryField, PointField, LineStringField, PolygonField,
+     MultiPointField, MultiLineStringField, MultiPolygonField,
+     GeometryCollectionField)

django/contrib/gis/db/models/query.py

@@ -1,9 +1,9 @@
 from django.db import connections
-from django.db.models.query import QuerySet, Q, ValuesQuerySet, ValuesListQuerySet
+from django.db.models.query import QuerySet, ValuesQuerySet, ValuesListQuerySet
 
 from django.contrib.gis.db.models import aggregates
-from django.contrib.gis.db.models.fields import get_srid_info, GeometryField, PointField, LineStringField
-from django.contrib.gis.db.models.sql import AreaField, DistanceField, GeomField, GeoQuery, GeoWhereNode
+from django.contrib.gis.db.models.fields import get_srid_info, PointField, LineStringField
+from django.contrib.gis.db.models.sql import AreaField, DistanceField, GeomField, GeoQuery
 from django.contrib.gis.geometry.backend import Geometry
 from django.contrib.gis.measure import Area, Distance
 

django/contrib/gis/db/models/sql/aggregates.py

@@ -1,6 +1,5 @@
 from django.db.models.sql.aggregates import *
 from django.contrib.gis.db.models.fields import GeometryField
-from django.contrib.gis.db.models.sql.conversion import GeomField
 
 class GeoAggregate(Aggregate):
     # Default SQL template for spatial aggregates.

django/contrib/gis/db/models/sql/where.py

@@ -1,4 +1,4 @@
-from django.db.models.fields import Field, FieldDoesNotExist
+from django.db.models.fields import FieldDoesNotExist
 from django.db.models.sql.constants import LOOKUP_SEP
 from django.db.models.sql.expressions import SQLEvaluator
 from django.db.models.sql.where import Constraint, WhereNode

django/contrib/gis/feeds.py

@@ -1,4 +1,4 @@
-from django.contrib.syndication.feeds import Feed as BaseFeed, FeedDoesNotExist
+from django.contrib.syndication.views import Feed as BaseFeed
 from django.utils.feedgenerator import Atom1Feed, Rss201rev2Feed
 
 class GeoFeedMixin(object):

django/contrib/gis/gdal/datasource.py

@@ -34,7 +34,7 @@
               val = field.value
 """
 # ctypes prerequisites.
-from ctypes import byref, c_void_p
+from ctypes import byref
 
 # The GDAL C library, OGR exceptions, and the Layer object.
 from django.contrib.gis.gdal.base import GDALBase

django/contrib/gis/gdal/feature.py

@@ -3,7 +3,6 @@ from django.contrib.gis.gdal.base import GDALBase
 from django.contrib.gis.gdal.error import OGRException, OGRIndexError
 from django.contrib.gis.gdal.field import Field
 from django.contrib.gis.gdal.geometries import OGRGeometry, OGRGeomType
-from django.contrib.gis.gdal.srs import SpatialReference
 
 # ctypes function prototypes
 from django.contrib.gis.gdal.prototypes import ds as capi, geom as geom_api

django/contrib/gis/gdal/libgdal.py

@@ -1,4 +1,5 @@
-import os, re, sys
+import os
+import re
 from ctypes import c_char_p, CDLL
 from ctypes.util import find_library
 from django.contrib.gis.gdal.error import OGRException

django/contrib/gis/gdal/prototypes/ds.py

@@ -6,9 +6,8 @@
 from ctypes import c_char_p, c_double, c_int, c_long, c_void_p, POINTER
 from django.contrib.gis.gdal.envelope import OGREnvelope
 from django.contrib.gis.gdal.libgdal import lgdal
-from django.contrib.gis.gdal.prototypes.generation import \
-    const_string_output, double_output, geom_output, int_output, \
-    srs_output, void_output, voidptr_output
+from django.contrib.gis.gdal.prototypes.generation import (const_string_output,
+    double_output, geom_output, int_output, srs_output, void_output, voidptr_output)
 
 c_int_p = POINTER(c_int) # shortcut type
 

django/contrib/gis/gdal/prototypes/generation.py

@@ -4,9 +4,9 @@
 """
 
 from ctypes import c_char_p, c_double, c_int, c_void_p
-from django.contrib.gis.gdal.prototypes.errcheck import \
-    check_arg_errcode, check_errcode, check_geom, check_geom_offset, \
-    check_pointer, check_srs, check_str_arg, check_string, check_const_string
+from django.contrib.gis.gdal.prototypes.errcheck import (
+    check_arg_errcode, check_errcode, check_geom, check_geom_offset,
+    check_pointer, check_srs, check_str_arg, check_string, check_const_string)
 
 class gdal_char_p(c_char_p):
     pass

django/contrib/gis/gdal/prototypes/geom.py

@@ -1,12 +1,9 @@
-import re
-from datetime import date
-from ctypes import c_char, c_char_p, c_double, c_int, c_ubyte, c_void_p, POINTER
+from ctypes import c_char_p, c_double, c_int, c_void_p, POINTER
 from django.contrib.gis.gdal.envelope import OGREnvelope
 from django.contrib.gis.gdal.libgdal import lgdal, GEOJSON
 from django.contrib.gis.gdal.prototypes.errcheck import check_bool, check_envelope
-from django.contrib.gis.gdal.prototypes.generation import \
-    const_string_output, double_output, geom_output, int_output, \
-    srs_output, string_output, void_output
+from django.contrib.gis.gdal.prototypes.generation import (const_string_output,
+    double_output, geom_output, int_output, srs_output, string_output, void_output)
 
 ### Generation routines specific to this module ###
 def env_func(f, argtypes):

django/contrib/gis/gdal/prototypes/srs.py

@@ -1,8 +1,7 @@
 from ctypes import c_char_p, c_int, c_void_p, POINTER
 from django.contrib.gis.gdal.libgdal import lgdal, std_call
-from django.contrib.gis.gdal.prototypes.generation import \
-    const_string_output, double_output, int_output, \
-    srs_output, string_output, void_output
+from django.contrib.gis.gdal.prototypes.generation import (const_string_output,
+    double_output, int_output, srs_output, string_output, void_output)
 
 ## Shortcut generation for routines with known parameters.
 def srs_double(f):

django/contrib/gis/gdal/srs.py

@@ -26,12 +26,11 @@
   >>> print srs.name
   NAD83 / Texas South Central
 """
-import re
-from ctypes import byref, c_char_p, c_int, c_void_p
+from ctypes import byref, c_char_p, c_int
 
 # Getting the error checking routine and exceptions
 from django.contrib.gis.gdal.base import GDALBase
-from django.contrib.gis.gdal.error import OGRException, SRSException
+from django.contrib.gis.gdal.error import SRSException
 from django.contrib.gis.gdal.prototypes import srs as capi
 
 #### Spatial Reference class. ####

django/contrib/gis/gdal/tests/test_driver.py

@@ -1,4 +1,4 @@
-import os, os.path, unittest
+import unittest
 from django.contrib.gis.gdal import Driver, OGRException
 
 valid_drivers = ('ESRI Shapefile', 'MapInfo File', 'TIGER', 'S57', 'DGN',

django/contrib/gis/gdal/tests/test_geom.py

@@ -1,8 +1,14 @@
-from django.contrib.gis.gdal import OGRGeometry, OGRGeomType, \
-    OGRException, OGRIndexError, SpatialReference, CoordTransform, \
-    GDAL_VERSION
-from django.utils import unittest
+from binascii import b2a_hex
+try:
+    import cPickle as pickle
+except ImportError:
+    import pickle
+
+from django.contrib.gis.gdal import (OGRGeometry, OGRGeomType, OGRException,
+    OGRIndexError, SpatialReference, CoordTransform, GDAL_VERSION)
+from django.contrib.gis.gdal.prototypes.geom import GEOJSON
 from django.contrib.gis.geometry.test_data import TestDataMixin
+from django.utils import unittest
 
 class OGRGeomTest(unittest.TestCase, TestDataMixin):
     "This tests the OGR Geometry."
@@ -92,7 +98,6 @@ class OGRGeomTest(unittest.TestCase, TestDataMixin):
 
     def test01d_wkb(self):
         "Testing WKB input/output."
-        from binascii import b2a_hex
         for g in self.geometries.hex_wkt:
             geom1 = OGRGeometry(g.wkt)
             wkb = geom1.wkb
@@ -103,7 +108,6 @@ class OGRGeomTest(unittest.TestCase, TestDataMixin):
 
     def test01e_json(self):
         "Testing GeoJSON input/output."
-        from django.contrib.gis.gdal.prototypes.geom import GEOJSON
         if not GEOJSON: return
         for g in self.geometries.json_geoms:
             geom = OGRGeometry(g.wkt)
@@ -446,9 +450,8 @@ class OGRGeomTest(unittest.TestCase, TestDataMixin):
 
     def test17_pickle(self):
         "Testing pickle support."
-        import cPickle
         g1 = OGRGeometry('LINESTRING(1 1 1,2 2 2,3 3 3)', 'WGS84')
-        g2 = cPickle.loads(cPickle.dumps(g1))
+        g2 = pickle.loads(pickle.dumps(g1))
         self.assertEqual(g1, g2)
         self.assertEqual(4326, g2.srs.srid)
         self.assertEqual(g1.srs.wkt, g2.srs.wkt)

django/contrib/gis/geometry/backend/geos.py

@@ -1,3 +1,2 @@
-from django.contrib.gis.geos import \
-    GEOSGeometry as Geometry, \
-    GEOSException as GeometryException
+from django.contrib.gis.geos import (
+    GEOSGeometry as Geometry, GEOSException as GeometryException)

django/contrib/gis/geos/base.py

@@ -1,6 +1,6 @@
 from ctypes import c_void_p
 from types import NoneType
-from django.contrib.gis.geos.error import GEOSException, GEOSIndexError
+from django.contrib.gis.geos.error import GEOSException
 
 # Trying to import GDAL libraries, if available.  Have to place in
 # try/except since this package may be used outside GeoDjango.

django/contrib/gis/geos/collections.py

@@ -3,9 +3,9 @@
  GeometryCollection, MultiPoint, MultiLineString, and MultiPolygon
 """
 from ctypes import c_int, c_uint, byref
-from django.contrib.gis.geos.error import GEOSException, GEOSIndexError
+from django.contrib.gis.geos.error import GEOSException
 from django.contrib.gis.geos.geometry import GEOSGeometry
-from django.contrib.gis.geos.libgeos import get_pointer_arr, GEOM_PTR, GEOS_PREPARE
+from django.contrib.gis.geos.libgeos import get_pointer_arr, GEOS_PREPARE
 from django.contrib.gis.geos.linestring import LineString, LinearRing
 from django.contrib.gis.geos.point import Point
 from django.contrib.gis.geos.polygon import Polygon

django/contrib/gis/geos/geometry.py

@@ -3,9 +3,8 @@
  inherit from this object.
 """
 # Python, ctypes and types dependencies.
-import re
 import warnings
-from ctypes import addressof, byref, c_double, c_size_t
+from ctypes import addressof, byref, c_double
 
 # super-class for mutable list behavior
 from django.contrib.gis.geos.mutable_list import ListMixin

django/contrib/gis/geos/libgeos.py

@@ -6,7 +6,9 @@
  This module also houses GEOS Pointer utilities, including
  get_pointer_arr(), and GEOM_PTR.
 """
-import os, re, sys
+import os
+import re
+import sys
 from ctypes import c_char_p, Structure, CDLL, CFUNCTYPE, POINTER
 from ctypes.util import find_library
 from django.contrib.gis.geos.error import GEOSException

django/contrib/gis/geos/polygon.py

@@ -1,5 +1,4 @@
 from ctypes import c_uint, byref
-from django.contrib.gis.geos.error import GEOSIndexError
 from django.contrib.gis.geos.geometry import GEOSGeometry
 from django.contrib.gis.geos.libgeos import get_pointer_arr, GEOM_PTR
 from django.contrib.gis.geos.linestring import LinearRing

django/contrib/gis/geos/prototypes/__init__.py

@@ -5,26 +5,26 @@
 """
 
 # Coordinate sequence routines.
-from django.contrib.gis.geos.prototypes.coordseq import create_cs, get_cs, \
-    cs_clone, cs_getordinate, cs_setordinate, cs_getx, cs_gety, cs_getz, \
-    cs_setx, cs_sety, cs_setz, cs_getsize, cs_getdims
+from django.contrib.gis.geos.prototypes.coordseq import (create_cs, get_cs,
+    cs_clone, cs_getordinate, cs_setordinate, cs_getx, cs_gety, cs_getz,
+    cs_setx, cs_sety, cs_setz, cs_getsize, cs_getdims)
 
 # Geometry routines.
-from django.contrib.gis.geos.prototypes.geom import from_hex, from_wkb, from_wkt, \
-    create_point, create_linestring, create_linearring, create_polygon, create_collection, \
-    destroy_geom, get_extring, get_intring, get_nrings, get_geomn, geom_clone, \
-    geos_normalize, geos_type, geos_typeid, geos_get_srid, geos_set_srid, \
-    get_dims, get_num_coords, get_num_geoms, \
-    to_hex, to_wkb, to_wkt
+from django.contrib.gis.geos.prototypes.geom import (from_hex, from_wkb, from_wkt,
+    create_point, create_linestring, create_linearring, create_polygon, create_collection,
+    destroy_geom, get_extring, get_intring, get_nrings, get_geomn, geom_clone,
+    geos_normalize, geos_type, geos_typeid, geos_get_srid, geos_set_srid,
+    get_dims, get_num_coords, get_num_geoms,
+    to_hex, to_wkb, to_wkt)
 
 # Miscellaneous routines.
 from django.contrib.gis.geos.prototypes.misc import *
 
 # Predicates
-from django.contrib.gis.geos.prototypes.predicates import geos_hasz, geos_isempty, \
-    geos_isring, geos_issimple, geos_isvalid, geos_contains, geos_crosses, \
-    geos_disjoint, geos_equals, geos_equalsexact, geos_intersects, \
-    geos_intersects, geos_overlaps, geos_relatepattern, geos_touches, geos_within
+from django.contrib.gis.geos.prototypes.predicates import (geos_hasz, geos_isempty,
+    geos_isring, geos_issimple, geos_isvalid, geos_contains, geos_crosses,
+    geos_disjoint, geos_equals, geos_equalsexact, geos_intersects,
+    geos_intersects, geos_overlaps, geos_relatepattern, geos_touches, geos_within)
 
 # Topology routines
 from django.contrib.gis.geos.prototypes.topology import *

django/contrib/gis/geos/prototypes/geom.py

@@ -1,7 +1,7 @@
-from ctypes import c_char_p, c_int, c_size_t, c_ubyte, c_uint, POINTER
-from django.contrib.gis.geos.libgeos import CS_PTR, GEOM_PTR, PREPGEOM_PTR, GEOS_PREPARE
-from django.contrib.gis.geos.prototypes.errcheck import \
-    check_geom, check_minus_one, check_sized_string, check_string, check_zero
+from ctypes import c_char_p, c_int, c_size_t, c_ubyte, POINTER
+from django.contrib.gis.geos.libgeos import CS_PTR, GEOM_PTR
+from django.contrib.gis.geos.prototypes.errcheck import (
+    check_geom, check_minus_one, check_sized_string, check_string, check_zero)
 from django.contrib.gis.geos.prototypes.threadsafe import GEOSFunc
 
 # This is the return type used by binary output (WKB, HEX) routines.

django/contrib/gis/geos/prototypes/topology.py

@@ -7,7 +7,7 @@ __all__ = ['geos_boundary', 'geos_buffer', 'geos_centroid', 'geos_convexhull',
            'geos_linemerge', 'geos_pointonsurface', 'geos_preservesimplify',
            'geos_simplify', 'geos_symdifference', 'geos_union', 'geos_relate']
 
-from ctypes import c_char_p, c_double, c_int
+from ctypes import c_double, c_int
 from django.contrib.gis.geos.libgeos import GEOM_PTR, GEOS_PREPARE
 from django.contrib.gis.geos.prototypes.errcheck import check_geom, check_string
 from django.contrib.gis.geos.prototypes.geom import geos_char_p

django/contrib/gis/geos/tests/test_geos.py

@@ -1,4 +1,6 @@
-import ctypes, random, unittest, sys
+import ctypes
+import random
+import unittest
 from django.contrib.gis.geos import *
 from django.contrib.gis.geos.base import gdal, numpy, GEOSBase
 from django.contrib.gis.geos.libgeos import GEOS_PREPARE

django/contrib/gis/geos/tests/test_geos_mutation.py

@@ -2,7 +2,6 @@
 # Modified from original contribution by Aryeh Leib Taurog, which was
 # released under the New BSD license.
 
-import copy
 from django.contrib.gis.geos import *
 from django.contrib.gis.geos.error import GEOSIndexError
 from django.utils import unittest

django/contrib/gis/geos/tests/test_io.py

@@ -1,4 +1,5 @@
-import binascii, ctypes, unittest
+import binascii
+import unittest
 from django.contrib.gis.geos import GEOSGeometry, WKTReader, WKTWriter, WKBReader, WKBWriter, geos_version_info
 
 class GEOSIOTest(unittest.TestCase):

django/contrib/gis/management/commands/inspectdb.py

@@ -1,6 +1,3 @@
-from optparse import make_option
-
-from django.core.management.base import CommandError
 from django.core.management.commands.inspectdb import Command as InspectDBCommand
 
 class Command(InspectDBCommand):

django/contrib/gis/management/commands/ogrinspect.py

@@ -1,4 +1,4 @@
-import os, sys
+import os
 from optparse import make_option
 from django.contrib.gis import gdal
 from django.contrib.gis.management.base import ArgsCommand, CommandError

django/contrib/gis/maps/google/gmap.py

@@ -1,15 +1,18 @@
 from django.conf import settings
-from django.contrib.gis import geos
 from django.template.loader import render_to_string
 from django.utils.safestring import mark_safe
 
-class GoogleMapException(Exception): pass
-from django.contrib.gis.maps.google.overlays import GPolygon, GPolyline, GMarker, GIcon
+from django.contrib.gis.maps.google.overlays import GPolygon, GPolyline, GMarker
+
+class GoogleMapException(Exception):
+    pass
+
 
 # The default Google Maps URL (for the API javascript)
 # TODO: Internationalize for Japan, UK, etc.
 GOOGLE_MAPS_URL='http://maps.google.com/maps?file=api&v=%s&key='
 
+
 class GoogleMap(object):
     "A class for generating Google Maps JavaScript."
 

django/contrib/gis/maps/google/zoom.py

@@ -1,6 +1,6 @@
 from django.contrib.gis.geos import GEOSGeometry, LinearRing, Polygon, Point
 from django.contrib.gis.maps.google.gmap import GoogleMapException
-from math import pi, sin, cos, log, exp, atan
+from math import pi, sin, log, exp, atan
 
 # Constants used for degree to radian conversion, and vice-versa.
 DTOR = pi / 180.

django/contrib/gis/shortcuts.py

@@ -1,11 +1,16 @@
-import cStringIO, zipfile
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO
+import zipfile
+
 from django.conf import settings
 from django.http import HttpResponse
 from django.template import loader
 
 def compress_kml(kml):
     "Returns compressed KMZ from the given KML string."
-    kmz = cStringIO.StringIO()
+    kmz = StringIO()
     zf = zipfile.ZipFile(kmz, 'a', zipfile.ZIP_DEFLATED)
     zf.writestr('doc.kml', kml.encode(settings.DEFAULT_CHARSET))
     zf.close()

django/contrib/gis/tests/distapp/tests.py

@@ -1,15 +1,12 @@
-import os
-from decimal import Decimal
-
 from django.db import connection
 from django.db.models import Q
-from django.contrib.gis.geos import GEOSGeometry, Point, LineString
+from django.contrib.gis.geos import GEOSGeometry, LineString
 from django.contrib.gis.measure import D # alias for Distance
 from django.contrib.gis.tests.utils import oracle, postgis, spatialite, no_oracle, no_spatialite
 from django.test import TestCase
 
-from models import AustraliaCity, Interstate, SouthTexasInterstate, \
-    SouthTexasCity, SouthTexasCityFt, CensusZipcode, SouthTexasZipcode
+from models import (AustraliaCity, Interstate, SouthTexasInterstate,
+    SouthTexasCity, SouthTexasCityFt, CensusZipcode, SouthTexasZipcode)
 
 class DistanceTest(TestCase):
 

django/contrib/gis/tests/geo3d/tests.py

@@ -5,9 +5,9 @@ from django.contrib.gis.db.models import Union, Extent3D
 from django.contrib.gis.geos import GEOSGeometry, Point, Polygon
 from django.contrib.gis.utils import LayerMapping, LayerMapError
 
-from models import City3D, Interstate2D, Interstate3D, \
-    InterstateProj2D, InterstateProj3D, \
-    Point2D, Point3D, MultiPoint3D, Polygon2D, Polygon3D
+from models import (City3D, Interstate2D, Interstate3D,
+    InterstateProj2D, InterstateProj3D,
+    Point2D, Point3D, MultiPoint3D, Polygon2D, Polygon3D)
 
 data_path = os.path.realpath(os.path.join(os.path.dirname(__file__), '..', 'data'))
 city_file = os.path.join(data_path, 'cities', 'cities.shp')

django/contrib/gis/tests/geoapp/feeds.py

@@ -1,6 +1,5 @@
 from django.contrib.gis import feeds
-from django.contrib.gis.tests.utils import mysql
-from models import City, Country
+from models import City
 
 class TestGeoRSS1(feeds.Feed):
     link = '/city/'

django/contrib/gis/tests/geoapp/test_regress.py

@@ -1,5 +1,5 @@
-import os, unittest
-from django.contrib.gis.tests.utils import no_mysql, no_oracle, no_postgis, no_spatialite
+import unittest
+from django.contrib.gis.tests.utils import no_mysql, no_spatialite
 from django.contrib.gis.shortcuts import render_to_kmz
 from models import City
 

django/contrib/gis/tests/geoapp/test_sitemaps.py

@@ -1,4 +1,7 @@
-import cStringIO
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO
 from xml.dom import minidom
 import zipfile
 from django.conf import settings
@@ -60,7 +63,7 @@ class GeoSitemapTest(TestCase):
                     kml_doc = minidom.parseString(self.client.get(kml_url).content)
                 elif kml_type == 'kmz':
                     # Have to decompress KMZ before parsing.
-                    buf = cStringIO.StringIO(self.client.get(kml_url).content)
+                    buf = StringIO(self.client.get(kml_url).content)
                     zf = zipfile.ZipFile(buf)
                     self.assertEqual(1, len(zf.filelist))
                     self.assertEqual('doc.kml', zf.filelist[0].filename)

django/contrib/gis/tests/geoapp/tests.py

@@ -1,12 +1,11 @@
 import re
 from django.db import connection
 from django.contrib.gis import gdal
-from django.contrib.gis.geos import fromstr, GEOSGeometry, \
-    Point, LineString, LinearRing, Polygon, GeometryCollection
-from django.contrib.gis.measure import Distance
-from django.contrib.gis.tests.utils import \
-    no_mysql, no_oracle, no_spatialite, \
-    mysql, oracle, postgis, spatialite
+from django.contrib.gis.geos import (fromstr, GEOSGeometry,
+    Point, LineString, LinearRing, Polygon, GeometryCollection)
+from django.contrib.gis.tests.utils import (
+    no_mysql, no_oracle, no_spatialite,
+    mysql, oracle, postgis, spatialite)
 from django.test import TestCase
 
 from models import Country, City, PennsylvaniaCity, State, Track

django/contrib/gis/tests/geogapp/tests.py

@@ -79,7 +79,6 @@ class GeographyTest(TestCase):
 
     def test06_geography_area(self):
         "Testing that Area calculations work on geography columns."
-        from django.contrib.gis.measure import A
         # SELECT ST_Area(poly) FROM geogapp_zipcode WHERE code='77002';
         ref_area = 5439084.70637573
         tol = 5

django/contrib/gis/tests/layermap/tests.py

@@ -4,13 +4,13 @@ from decimal import Decimal
 
 from django.utils.unittest import TestCase
 
-from django.contrib.gis.gdal import DataSource, OGRException
+from django.contrib.gis.gdal import DataSource
 from django.contrib.gis.tests.utils import mysql
 from django.contrib.gis.utils.layermapping import LayerMapping, LayerMapError, InvalidDecimal, MissingForeignKey
 
-from models import \
-    City, County, CountyFeat, Interstate, ICity1, ICity2, Invalid, State, \
-    city_mapping, co_mapping, cofeat_mapping, inter_mapping
+from models import (
+    City, County, CountyFeat, Interstate, ICity1, ICity2, Invalid, State,
+    city_mapping, co_mapping, cofeat_mapping, inter_mapping)
 
 shp_path = os.path.realpath(os.path.join(os.path.dirname(__file__), os.pardir, 'data'))
 city_shp = os.path.join(shp_path, 'cities', 'cities.shp')

django/contrib/gis/tests/test_geoip.py

@@ -1,4 +1,5 @@
-import os, unittest
+import os
+import unittest
 from django.db import settings
 from django.contrib.gis.geos import GEOSGeometry
 from django.contrib.gis.utils import GeoIP, GeoIPException

django/contrib/gis/tests/test_spatialrefsys.py

@@ -1,6 +1,6 @@
 from django.db import connection
 from django.contrib.gis.gdal import GDAL_VERSION
-from django.contrib.gis.tests.utils import mysql, no_mysql, oracle, postgis, spatialite
+from django.contrib.gis.tests.utils import no_mysql, oracle, postgis, spatialite
 from django.utils import unittest
 
 

django/contrib/gis/utils/geoip.py

@@ -38,7 +38,8 @@
  >>> g.geos('24.124.1.80').wkt
  'POINT (-95.2087020874023438 39.0392990112304688)'
 """
-import os, re
+import os
+import re
 from ctypes import c_char_p, c_float, c_int, Structure, CDLL, POINTER
 from ctypes.util import find_library
 from django.conf import settings

django/contrib/gis/utils/layermapping.py

@@ -7,15 +7,14 @@
    http://geodjango.org/docs/layermapping.html
 """
 import sys
-from datetime import date, datetime
 from decimal import Decimal
 from django.core.exceptions import ObjectDoesNotExist
 from django.db import connections, DEFAULT_DB_ALIAS
 from django.contrib.gis.db.models import GeometryField
-from django.contrib.gis.gdal import CoordTransform, DataSource, \
-    OGRException, OGRGeometry, OGRGeomType, SpatialReference
-from django.contrib.gis.gdal.field import \
-    OFTDate, OFTDateTime, OFTInteger, OFTReal, OFTString, OFTTime
+from django.contrib.gis.gdal import (CoordTransform, DataSource,
+    OGRException, OGRGeometry, OGRGeomType, SpatialReference)
+from django.contrib.gis.gdal.field import (
+    OFTDate, OFTDateTime, OFTInteger, OFTReal, OFTString, OFTTime)
 from django.db import models, transaction
 from django.contrib.localflavor.us.models import USStateField
 

django/contrib/gis/utils/ogrinspect.py

@@ -8,7 +8,7 @@ Author: Travis Pinney, Dane Springmeyer, & Justin Bronn
 from itertools import izip
 # Requires GDAL to use.
 from django.contrib.gis.gdal import DataSource
-from django.contrib.gis.gdal.field import OFTDate, OFTDateTime, OFTInteger, OFTReal, OFTString, OFTTime
+from django.contrib.gis.gdal.field import OFTDate, OFTDateTime, OFTInteger, OFTReal, OFTString
 
 def mapping(data_source, geom_name='geom', layer_key=0, multi_geom=False):
     """

django/contrib/localflavor/ar/forms.py

@@ -6,7 +6,6 @@ AR-specific Form helpers.
 from django.forms import ValidationError
 from django.core.validators import EMPTY_VALUES
 from django.forms.fields import RegexField, CharField, Select
-from django.utils.encoding import smart_unicode
 from django.utils.translation import ugettext_lazy as _
 
 class ARProvinceSelect(Select):

django/contrib/localflavor/au/models.py

@@ -1,4 +1,3 @@
-from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 from django.db.models.fields import CharField
 

django/contrib/localflavor/be/forms.py

@@ -1,10 +1,6 @@
 """
 Belgium-specific Form helpers
 """
-import re
-
-from django.core.validators import EMPTY_VALUES
-from django.forms import ValidationError
 from django.forms.fields import RegexField, Select
 from django.utils.translation import ugettext_lazy as _
 

django/contrib/localflavor/jp/forms.py

@@ -2,7 +2,6 @@
 JP-specific Form helpers
 """
 
-from django.forms import ValidationError
 from django.utils.translation import ugettext_lazy as _
 from django.forms.fields import RegexField, Select
 

django/contrib/localflavor/kw/forms.py

@@ -6,7 +6,7 @@ from datetime import date
 
 from django.core.validators import EMPTY_VALUES
 from django.forms import ValidationError
-from django.forms.fields import Field, RegexField
+from django.forms.fields import Field
 from django.utils.translation import gettext as _
 
 id_re = re.compile(r'^(?P<initial>\d{1})(?P<yy>\d\d)(?P<mm>\d\d)(?P<dd>\d\d)(?P<mid>\d{4})(?P<checksum>\d{1})')

django/contrib/localflavor/no/forms.py

@@ -2,7 +2,8 @@
 Norwegian-specific Form helpers
 """
 
-import re, datetime
+import re
+import datetime
 from django.core.validators import EMPTY_VALUES
 from django.forms import ValidationError
 from django.forms.fields import Field, RegexField, Select

django/contrib/localflavor/pt/forms.py

@@ -1,13 +1,13 @@
 """
 PT-specific Form helpers
 """
+import re
 
 from django.core.validators import EMPTY_VALUES
 from django.forms import ValidationError
-from django.forms.fields import Field, RegexField, Select
+from django.forms.fields import Field, RegexField
 from django.utils.encoding import smart_unicode
 from django.utils.translation import ugettext_lazy as _
-import re
 
 phone_digits_re = re.compile(r'^(\d{9}|(00|\+)\d*)$')
 

django/contrib/localflavor/ro/forms.py

@@ -2,9 +2,6 @@
 """
 Romanian specific form helpers.
 """
-
-import re
-
 from django.core.validators import EMPTY_VALUES
 from django.forms import ValidationError, Field, RegexField, Select
 from django.utils.translation import ugettext_lazy as _

django/contrib/localflavor/ru/forms.py

@@ -3,9 +3,7 @@ Russian-specific forms helpers
 """
 import re
 
-from django.core.validators import EMPTY_VALUES
-from django.forms import ValidationError
-from django.forms.fields import CharField, Select, RegexField
+from django.forms.fields import RegexField, Select
 from django.utils.translation import ugettext_lazy as _
 
 phone_digits_re = re.compile(r'^(?:[78]-?)?(\d{3})[-\.]?(\d{3})[-\.]?(\d{4})$')

django/contrib/localflavor/se/utils.py

@@ -1,4 +1,3 @@
-import re
 import datetime
 
 def id_number_checksum(gd):

django/contrib/localflavor/us/models.py

@@ -1,4 +1,3 @@
-from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 from django.db.models.fields import CharField
 from django.contrib.localflavor.us.us_states import STATE_CHOICES

django/contrib/localflavor/uy/forms.py

@@ -2,8 +2,6 @@
 """
 UY-specific form helpers.
 """
-import re
-
 from django.core.validators import EMPTY_VALUES
 from django.forms.fields import Select, RegexField
 from django.forms import ValidationError

django/contrib/messages/api.py

@@ -1,6 +1,5 @@
 from django.contrib.messages import constants
 from django.contrib.messages.storage import default_storage
-from django.utils.functional import lazy, memoize
 
 __all__ = (
     'add_message', 'get_messages',

django/contrib/messages/storage/cookie.py

@@ -1,5 +1,4 @@
 from django.conf import settings
-from django.contrib.messages import constants
 from django.contrib.messages.storage.base import BaseStorage, Message
 from django.http import SimpleCookie
 from django.utils import simplejson as json

django/contrib/messages/tests/base.py

@@ -1,5 +1,3 @@
-import warnings
-
 from django import http
 from django.test import TestCase
 from django.conf import settings

django/contrib/messages/tests/cookie.py

@@ -1,7 +1,7 @@
 from django.contrib.messages import constants
 from django.contrib.messages.tests.base import BaseTest
-from django.contrib.messages.storage.cookie import CookieStorage, \
-                                            MessageEncoder, MessageDecoder
+from django.contrib.messages.storage.cookie import (CookieStorage,
+    MessageEncoder, MessageDecoder)
 from django.contrib.messages.storage.base import Message
 from django.utils import simplejson as json
 from django.conf import settings

django/contrib/messages/tests/fallback.py

@@ -1,11 +1,11 @@
 from django.contrib.messages import constants
-from django.contrib.messages.storage.fallback import FallbackStorage, \
-    CookieStorage
+from django.contrib.messages.storage.fallback import (FallbackStorage,
+    CookieStorage)
 from django.contrib.messages.tests.base import BaseTest
-from django.contrib.messages.tests.cookie import set_cookie_data, \
-    stored_cookie_messages_count
-from django.contrib.messages.tests.session import set_session_data, \
-    stored_session_messages_count
+from django.contrib.messages.tests.cookie import (set_cookie_data,
+    stored_cookie_messages_count)
+from django.contrib.messages.tests.session import (set_session_data,
+    stored_session_messages_count)
 
 
 class FallbackTest(BaseTest):

django/contrib/messages/tests/urls.py

@@ -2,7 +2,6 @@ from django.conf.urls.defaults import *
 from django.contrib import messages
 from django.core.urlresolvers import reverse
 from django.http import HttpResponseRedirect, HttpResponse
-from django.shortcuts import render_to_response, redirect
 from django.template import RequestContext, Template
 from django.template.response import TemplateResponse
 from django.views.decorators.cache import never_cache

django/contrib/sessions/backends/base.py

@@ -2,7 +2,6 @@ import base64
 import hashlib
 import os
 import random
-import sys
 import time
 from datetime import datetime, timedelta
 try:

django/contrib/sessions/backends/db.py

@@ -1,5 +1,4 @@
 import datetime
-from django.conf import settings
 from django.contrib.sessions.backends.base import SessionBase, CreateError
 from django.core.exceptions import SuspiciousOperation
 from django.db import IntegrityError, transaction, router

django/contrib/sessions/models.py

@@ -1,6 +1,3 @@
-import base64
-import cPickle as pickle
-
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 

django/contrib/sitemaps/__init__.py

@@ -1,4 +1,4 @@
-from django.contrib.sites.models import Site, get_current_site
+from django.contrib.sites.models import Site
 from django.core import urlresolvers, paginator
 from django.core.exceptions import ImproperlyConfigured
 import urllib

django/contrib/sitemaps/views.py

@@ -1,8 +1,7 @@
 from django.core import urlresolvers
 from django.core.paginator import EmptyPage, PageNotAnInteger
-from django.http import HttpResponse, Http404
+from django.http import Http404
 from django.template.response import TemplateResponse
-from django.utils.encoding import smart_str
 
 from django.contrib.sites.models import get_current_site
 

django/core/cache/backends/base.py

@@ -2,7 +2,6 @@
 
 import warnings
 
-from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured, DjangoRuntimeWarning
 from django.utils.encoding import smart_str
 from django.utils.importlib import import_module

django/core/cache/backends/db.py

@@ -1,14 +1,17 @@
 "Database cache backend."
-
-from django.core.cache.backends.base import BaseCache
-from django.db import connections, router, transaction, DatabaseError
-import base64, time
+import base64
+import time
 from datetime import datetime
+
 try:
     import cPickle as pickle
 except ImportError:
     import pickle
 
+from django.core.cache.backends.base import BaseCache
+from django.db import connections, router, transaction, DatabaseError
+
+
 class Options(object):
     """A class that will quack like a Django model _meta class.
 

django/core/cache/backends/memcached.py

@@ -4,7 +4,6 @@ import time
 from threading import local
 
 from django.core.cache.backends.base import BaseCache, InvalidCacheBackendError
-from django.utils import importlib
 
 class BaseMemcachedCache(BaseCache):
     def __init__(self, server, params, library, value_not_found_exception):

django/core/handlers/modpython.py

@@ -1,5 +1,4 @@
 import os
-from pprint import pformat
 import sys
 from warnings import warn
 
@@ -8,7 +7,7 @@ from django.core import signals
 from django.core.handlers.base import BaseHandler
 from django.core.urlresolvers import set_script_prefix
 from django.utils import datastructures
-from django.utils.encoding import force_unicode, smart_str, iri_to_uri
+from django.utils.encoding import force_unicode, iri_to_uri
 from django.utils.log import getLogger
 
 logger = getLogger('django.request')

django/core/handlers/profiler-hotshot.py

@@ -1,4 +1,7 @@
-import hotshot, time, os
+import hotshot
+import os
+import time
+
 from django.core.handlers.modpython import ModPythonHandler
 
 PROFILE_DATA_DIR = "/var/log/cmsprofile"

django/core/handlers/wsgi.py

@@ -1,11 +1,9 @@
-from pprint import pformat
 import sys
 from threading import Lock
 try:
     from cStringIO import StringIO
 except ImportError:
     from StringIO import StringIO
-import socket
 
 from django import http
 from django.core import signals

django/core/mail/__init__.py

@@ -11,11 +11,11 @@ from django.utils.importlib import import_module
 # django/core/mail.py before the introduction of email
 # backends and the subsequent reorganization (See #10355)
 from django.core.mail.utils import CachedDnsName, DNS_NAME
-from django.core.mail.message import \
-    EmailMessage, EmailMultiAlternatives, \
-    SafeMIMEText, SafeMIMEMultipart, \
-    DEFAULT_ATTACHMENT_MIME_TYPE, make_msgid, \
-    BadHeaderError, forbid_multi_line_headers
+from django.core.mail.message import (
+    EmailMessage, EmailMultiAlternatives,
+    SafeMIMEText, SafeMIMEMultipart,
+    DEFAULT_ATTACHMENT_MIME_TYPE, make_msgid,
+    BadHeaderError, forbid_multi_line_headers)
 from django.core.mail.backends.smtp import EmailBackend as _SMTPConnection
 
 def get_connection(backend=None, fail_silently=False, **kwds):

django/core/management/commands/reset.py

@@ -1,6 +1,5 @@
 from optparse import make_option
 
-from django.conf import settings
 from django.core.management.base import AppCommand, CommandError
 from django.core.management.color import no_style
 from django.core.management.sql import sql_reset

django/core/serializers/base.py

@@ -5,8 +5,7 @@ Module for abstract serializer/unserializer base classes.
 from StringIO import StringIO
 
 from django.db import models
-from django.utils.encoding import smart_str, smart_unicode
-from django.utils import datetime_safe
+from django.utils.encoding import smart_unicode
 
 class SerializerDoesNotExist(KeyError):
     """The requested serializer was not found."""

django/core/servers/basehttp.py

@@ -18,7 +18,6 @@ from wsgiref import simple_server
 from wsgiref.util import FileWrapper   # for backwards compatibility
 
 import django
-from django.core.exceptions import ImproperlyConfigured
 from django.core.management.color import color_style
 from django.utils._os import safe_join
 from django.views import static