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Refs #23919 -- Replaced six.reraise by raise

This commit is contained in:
Claude Paroz 2017-01-07 20:13:29 +01:00
parent d170c63351
commit 6e55e1d88a
28 changed files with 100 additions and 177 deletions
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4
django/contrib/admin/views/main.py
View File

@ -1,4 +1,3 @@
import sys
from collections import OrderedDict from collections import OrderedDict
from django.contrib.admin import FieldListFilter from django.contrib.admin import FieldListFilter
@ -17,7 +16,6 @@ from django.core.exceptions import (
from django.core.paginator import InvalidPage from django.core.paginator import InvalidPage
from django.db import models from django.db import models
from django.urls import reverse from django.urls import reverse
from django.utils import six
from django.utils.encoding import force_text from django.utils.encoding import force_text
from django.utils.http import urlencode from django.utils.http import urlencode
from django.utils.translation import ugettext from django.utils.translation import ugettext
@ -151,7 +149,7 @@ class ChangeList:
use_distinct = use_distinct or lookup_needs_distinct(self.lookup_opts, key) use_distinct = use_distinct or lookup_needs_distinct(self.lookup_opts, key)
return filter_specs, bool(filter_specs), lookup_params, use_distinct return filter_specs, bool(filter_specs), lookup_params, use_distinct
except FieldDoesNotExist as e: except FieldDoesNotExist as e:
six.reraise(IncorrectLookupParameters, IncorrectLookupParameters(e), sys.exc_info()[2]) raise IncorrectLookupParameters(e) from e
def get_query_string(self, new_params=None, remove=None): def get_query_string(self, new_params=None, remove=None):
if new_params is None: if new_params is None:

12
django/contrib/gis/db/backends/oracle/introspection.py
View File

@ -1,9 +1,6 @@
import sys
import cx_Oracle import cx_Oracle
from django.db.backends.oracle.introspection import DatabaseIntrospection from django.db.backends.oracle.introspection import DatabaseIntrospection
from django.utils import six
class OracleIntrospection(DatabaseIntrospection): class OracleIntrospection(DatabaseIntrospection):
@ -24,12 +21,11 @@ class OracleIntrospection(DatabaseIntrospection):
(table_name.upper(), geo_col.upper()) (table_name.upper(), geo_col.upper())
) )
row = cursor.fetchone() row = cursor.fetchone()
except Exception as msg: except Exception as exc:
new_msg = ( raise Exception(
'Could not find entry in USER_SDO_GEOM_METADATA ' 'Could not find entry in USER_SDO_GEOM_METADATA '
'corresponding to "%s"."%s"\n' 'corresponding to "%s"."%s"' % (table_name, geo_col)
'Error message: %s.') % (table_name, geo_col, msg) ) from exc
six.reraise(Exception, Exception(new_msg), sys.exc_info()[2])
# TODO: Research way to find a more specific geometry field type for # TODO: Research way to find a more specific geometry field type for
# the column's contents. # the column's contents.

11
django/contrib/gis/db/backends/spatialite/base.py
View File

@ -1,4 +1,3 @@
import sys
from ctypes.util import find_library from ctypes.util import find_library
from django.conf import settings from django.conf import settings
@ -6,7 +5,6 @@ from django.core.exceptions import ImproperlyConfigured
from django.db.backends.sqlite3.base import ( from django.db.backends.sqlite3.base import (
DatabaseWrapper as SQLiteDatabaseWrapper, SQLiteCursorWrapper, DatabaseWrapper as SQLiteDatabaseWrapper, SQLiteCursorWrapper,
) )
from django.utils import six
from .client import SpatiaLiteClient from .client import SpatiaLiteClient
from .features import DatabaseFeatures from .features import DatabaseFeatures
@ -53,11 +51,10 @@ class DatabaseWrapper(SQLiteDatabaseWrapper):
cur = conn.cursor(factory=SQLiteCursorWrapper) cur = conn.cursor(factory=SQLiteCursorWrapper)
try: try:
cur.execute("SELECT load_extension(%s)", (self.spatialite_lib,)) cur.execute("SELECT load_extension(%s)", (self.spatialite_lib,))
except Exception as msg: except Exception as exc:
new_msg = ( raise ImproperlyConfigured(
'Unable to load the SpatiaLite library extension ' 'Unable to load the SpatiaLite library extension "%s"' % self.spatialite_lib
'"%s" because: %s') % (self.spatialite_lib, msg) ) from exc
six.reraise(ImproperlyConfigured, ImproperlyConfigured(new_msg), sys.exc_info()[2])
cur.close() cur.close()
return conn return conn

15
django/contrib/gis/db/backends/spatialite/operations.py
View File

@ -4,7 +4,6 @@ https://web.archive.org/web/20130407175746/http://www.gaia-gis.it/gaia-sins/spat
http://www.gaia-gis.it/gaia-sins/spatialite-sql-4.2.1.html http://www.gaia-gis.it/gaia-sins/spatialite-sql-4.2.1.html
""" """
import re import re
import sys
from django.contrib.gis.db.backends.base.operations import \ from django.contrib.gis.db.backends.base.operations import \
BaseSpatialOperations BaseSpatialOperations
@ -15,7 +14,6 @@ from django.contrib.gis.geometry.backend import Geometry
from django.contrib.gis.measure import Distance from django.contrib.gis.measure import Distance
from django.core.exceptions import ImproperlyConfigured from django.core.exceptions import ImproperlyConfigured
from django.db.backends.sqlite3.operations import DatabaseOperations from django.db.backends.sqlite3.operations import DatabaseOperations
from django.utils import six
from django.utils.functional import cached_property from django.utils.functional import cached_property
@ -123,12 +121,13 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
"""Determine the version of the SpatiaLite library.""" """Determine the version of the SpatiaLite library."""
try: try:
version = self.spatialite_version_tuple()[1:] version = self.spatialite_version_tuple()[1:]
except Exception as msg: except Exception as exc:
new_msg = ( raise ImproperlyConfigured(
'Cannot determine the SpatiaLite version for the "%s" ' 'Cannot determine the SpatiaLite version for the "%s" database. '
'database (error was "%s"). Was the SpatiaLite initialization ' 'Was the SpatiaLite initialization SQL loaded on this database?' % (
'SQL loaded on this database?') % (self.connection.settings_dict['NAME'], msg) self.connection.settings_dict['NAME'],
six.reraise(ImproperlyConfigured, ImproperlyConfigured(new_msg), sys.exc_info()[2]) )
) from exc
if version < (4, 0, 0): if version < (4, 0, 0):
raise ImproperlyConfigured('GeoDjango only supports SpatiaLite versions 4.0.0 and above.') raise ImproperlyConfigured('GeoDjango only supports SpatiaLite versions 4.0.0 and above.')
return version return version

8
django/contrib/gis/utils/layermapping.py
View File

@ -20,7 +20,6 @@ from django.contrib.gis.gdal.field import (
) )
from django.core.exceptions import FieldDoesNotExist, ObjectDoesNotExist from django.core.exceptions import FieldDoesNotExist, ObjectDoesNotExist
from django.db import connections, models, router, transaction from django.db import connections, models, router, transaction
from django.utils import six
from django.utils.encoding import force_text from django.utils.encoding import force_text
@ -456,9 +455,10 @@ class LayerMapping:
# Creating the CoordTransform object # Creating the CoordTransform object
return CoordTransform(self.source_srs, target_srs) return CoordTransform(self.source_srs, target_srs)
except Exception as msg: except Exception as exc:
new_msg = 'Could not translate between the data source and model geometry: %s' % msg raise LayerMapError(
six.reraise(LayerMapError, LayerMapError(new_msg), sys.exc_info()[2]) 'Could not translate between the data source and model geometry.'
) from exc
def geometry_field(self): def geometry_field(self):
"Returns the GeometryField instance associated with the geographic column." "Returns the GeometryField instance associated with the geographic column."

13
django/core/management/commands/flush.py
View File

@ -1,4 +1,3 @@
import sys
from importlib import import_module from importlib import import_module
from django.apps import apps from django.apps import apps
@ -6,7 +5,6 @@ from django.core.management.base import BaseCommand, CommandError
from django.core.management.color import no_style from django.core.management.color import no_style
from django.core.management.sql import emit_post_migrate_signal, sql_flush from django.core.management.sql import emit_post_migrate_signal, sql_flush
from django.db import DEFAULT_DB_ALIAS, connections, transaction from django.db import DEFAULT_DB_ALIAS, connections, transaction
from django.utils import six
class Command(BaseCommand): class Command(BaseCommand):
@ -67,16 +65,17 @@ Are you sure you want to do this?
with connection.cursor() as cursor: with connection.cursor() as cursor:
for sql in sql_list: for sql in sql_list:
cursor.execute(sql) cursor.execute(sql)
except Exception as e: except Exception as exc:
new_msg = ( raise CommandError(
"Database %s couldn't be flushed. Possible reasons:\n" "Database %s couldn't be flushed. Possible reasons:\n"
" * The database isn't running or isn't configured correctly.\n" " * The database isn't running or isn't configured correctly.\n"
" * At least one of the expected database tables doesn't exist.\n" " * At least one of the expected database tables doesn't exist.\n"
" * The SQL was invalid.\n" " * The SQL was invalid.\n"
"Hint: Look at the output of 'django-admin sqlflush'. " "Hint: Look at the output of 'django-admin sqlflush'. "
"That's the SQL this command wasn't able to run.\n" "That's the SQL this command wasn't able to run.\n" % (
"The full error: %s") % (connection.settings_dict['NAME'], e) connection.settings_dict['NAME'],
six.reraise(CommandError, CommandError(new_msg), sys.exc_info()[2]) )
) from exc
# Empty sql_list may signify an empty database and post_migrate would then crash # Empty sql_list may signify an empty database and post_migrate would then crash
if sql_list and not inhibit_post_migrate: if sql_list and not inhibit_post_migrate:

8
django/core/management/utils.py
View File

@ -1,9 +1,7 @@
import os import os
import sys
from subprocess import PIPE, Popen from subprocess import PIPE, Popen
from django.apps import apps as installed_apps from django.apps import apps as installed_apps
from django.utils import six
from django.utils.crypto import get_random_string from django.utils.crypto import get_random_string
from django.utils.encoding import DEFAULT_LOCALE_ENCODING, force_text from django.utils.encoding import DEFAULT_LOCALE_ENCODING, force_text
@ -18,10 +16,8 @@ def popen_wrapper(args, os_err_exc_type=CommandError, stdout_encoding='utf-8'):
""" """
try: try:
p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt') p = Popen(args, shell=False, stdout=PIPE, stderr=PIPE, close_fds=os.name != 'nt')
except OSError as e: except OSError as err:
strerror = force_text(e.strerror, DEFAULT_LOCALE_ENCODING, strings_only=True) raise os_err_exc_type('Error executing %s' % args[0]) from err
six.reraise(os_err_exc_type, os_err_exc_type('Error executing %s: %s' %
(args[0], strerror)), sys.exc_info()[2])
output, errors = p.communicate() output, errors = p.communicate()
return ( return (
force_text(output, stdout_encoding, strings_only=True, errors='strict'), force_text(output, stdout_encoding, strings_only=True, errors='strict'),

9
django/core/serializers/json.py
View File

@ -5,14 +5,12 @@ Serialize data to/from JSON
import datetime import datetime
import decimal import decimal
import json import json
import sys
import uuid import uuid
from django.core.serializers.base import DeserializationError from django.core.serializers.base import DeserializationError
from django.core.serializers.python import ( from django.core.serializers.python import (
Deserializer as PythonDeserializer, Serializer as PythonSerializer, Deserializer as PythonDeserializer, Serializer as PythonSerializer,
) )
from django.utils import six
from django.utils.duration import duration_iso_string from django.utils.duration import duration_iso_string
from django.utils.functional import Promise from django.utils.functional import Promise
from django.utils.timezone import is_aware from django.utils.timezone import is_aware
@ -77,11 +75,10 @@ def Deserializer(stream_or_string, **options):
objects = json.loads(stream_or_string) objects = json.loads(stream_or_string)
for obj in PythonDeserializer(objects, **options): for obj in PythonDeserializer(objects, **options):
yield obj yield obj
except GeneratorExit: except (GeneratorExit, DeserializationError):
raise raise
except Exception as e: except Exception as exc:
# Map to deserializer error raise DeserializationError() from exc
six.reraise(DeserializationError, DeserializationError(e), sys.exc_info()[2])
class DjangoJSONEncoder(json.JSONEncoder): class DjangoJSONEncoder(json.JSONEncoder):

9
django/core/serializers/pyyaml.py
View File

@ -6,7 +6,6 @@ Requires PyYaml (http://pyyaml.org/), but that's checked for in __init__.
import collections import collections
import decimal import decimal
import sys
from io import StringIO from io import StringIO
import yaml import yaml
@ -16,7 +15,6 @@ from django.core.serializers.python import (
Deserializer as PythonDeserializer, Serializer as PythonSerializer, Deserializer as PythonDeserializer, Serializer as PythonSerializer,
) )
from django.db import models from django.db import models
from django.utils import six
# Use the C (faster) implementation if possible # Use the C (faster) implementation if possible
try: try:
@ -78,8 +76,7 @@ def Deserializer(stream_or_string, **options):
try: try:
for obj in PythonDeserializer(yaml.load(stream, Loader=SafeLoader), **options): for obj in PythonDeserializer(yaml.load(stream, Loader=SafeLoader), **options):
yield obj yield obj
except GeneratorExit: except (GeneratorExit, DeserializationError):
raise raise
except Exception as e: except Exception as exc:
# Map to deserializer error raise DeserializationError() from exc
six.reraise(DeserializationError, DeserializationError(e), sys.exc_info()[2])

16
django/core/servers/basehttp.py
View File

@ -15,7 +15,6 @@ from wsgiref import simple_server
from django.core.exceptions import ImproperlyConfigured from django.core.exceptions import ImproperlyConfigured
from django.core.wsgi import get_wsgi_application from django.core.wsgi import get_wsgi_application
from django.utils import six
from django.utils.module_loading import import_string from django.utils.module_loading import import_string
__all__ = ('WSGIServer', 'WSGIRequestHandler') __all__ = ('WSGIServer', 'WSGIRequestHandler')
@ -43,16 +42,11 @@ def get_internal_wsgi_application():
try: try:
return import_string(app_path) return import_string(app_path)
except ImportError as e: except ImportError as err:
msg = ( raise ImproperlyConfigured(
"WSGI application '%(app_path)s' could not be loaded; " "WSGI application '%s' could not be loaded; "
"Error importing module: '%(exception)s'" % ({ "Error importing module." % app_path
'app_path': app_path, ) from err
'exception': e,
})
)
six.reraise(ImproperlyConfigured, ImproperlyConfigured(msg),
sys.exc_info()[2])
def is_broken_pipe_error(): def is_broken_pipe_error():

14
django/db/backends/mysql/base.py
View File

@ -4,23 +4,21 @@ MySQL database backend for Django.
Requires mysqlclient: https://pypi.python.org/pypi/mysqlclient/ Requires mysqlclient: https://pypi.python.org/pypi/mysqlclient/
""" """
import re import re
import sys
from django.core.exceptions import ImproperlyConfigured from django.core.exceptions import ImproperlyConfigured
from django.db import utils from django.db import utils
from django.db.backends import utils as backend_utils from django.db.backends import utils as backend_utils
from django.db.backends.base.base import BaseDatabaseWrapper from django.db.backends.base.base import BaseDatabaseWrapper
from django.utils import six
from django.utils.functional import cached_property from django.utils.functional import cached_property
from django.utils.safestring import SafeBytes, SafeText from django.utils.safestring import SafeBytes, SafeText
try: try:
import MySQLdb as Database import MySQLdb as Database
except ImportError as e: except ImportError as err:
raise ImproperlyConfigured( raise ImproperlyConfigured(
'Error loading MySQLdb module: %s.\n' 'Error loading MySQLdb module.\n'
'Did you install mysqlclient or MySQL-python?' % e 'Did you install mysqlclient or MySQL-python?'
) ) from err
from MySQLdb.constants import CLIENT, FIELD_TYPE # isort:skip from MySQLdb.constants import CLIENT, FIELD_TYPE # isort:skip
from MySQLdb.converters import conversions # isort:skip from MySQLdb.converters import conversions # isort:skip
@ -88,7 +86,7 @@ class CursorWrapper:
# Map some error codes to IntegrityError, since they seem to be # Map some error codes to IntegrityError, since they seem to be
# misclassified and Django would prefer the more logical place. # misclassified and Django would prefer the more logical place.
if e.args[0] in self.codes_for_integrityerror: if e.args[0] in self.codes_for_integrityerror:
six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2]) raise utils.IntegrityError(*tuple(e.args))
raise raise
def executemany(self, query, args): def executemany(self, query, args):
@ -98,7 +96,7 @@ class CursorWrapper:
# Map some error codes to IntegrityError, since they seem to be # Map some error codes to IntegrityError, since they seem to be
# misclassified and Django would prefer the more logical place. # misclassified and Django would prefer the more logical place.
if e.args[0] in self.codes_for_integrityerror: if e.args[0] in self.codes_for_integrityerror:
six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2]) raise utils.IntegrityError(*tuple(e.args))
raise raise
def __getattr__(self, attr): def __getattr__(self, attr):

4
django/db/backends/oracle/base.py
View File

@ -7,13 +7,11 @@ import datetime
import decimal import decimal
import os import os
import platform import platform
import sys
from django.conf import settings from django.conf import settings
from django.core.exceptions import ImproperlyConfigured from django.core.exceptions import ImproperlyConfigured
from django.db import utils from django.db import utils
from django.db.backends.base.base import BaseDatabaseWrapper from django.db.backends.base.base import BaseDatabaseWrapper
from django.utils import six
from django.utils.encoding import force_bytes, force_text from django.utils.encoding import force_bytes, force_text
from django.utils.functional import cached_property from django.utils.functional import cached_property
@ -261,7 +259,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
x = e.args[0] x = e.args[0]
if hasattr(x, 'code') and hasattr(x, 'message') \ if hasattr(x, 'code') and hasattr(x, 'message') \
and x.code == 2091 and 'ORA-02291' in x.message: and x.code == 2091 and 'ORA-02291' in x.message:
six.reraise(utils.IntegrityError, utils.IntegrityError(*tuple(e.args)), sys.exc_info()[2]) raise utils.IntegrityError(*tuple(e.args))
raise raise
# Oracle doesn't support releasing savepoints. But we fake them when query # Oracle doesn't support releasing savepoints. But we fake them when query

22
django/db/migrations/graph.py
View File

@ -1,10 +1,8 @@
import sys
import warnings import warnings
from collections import deque from collections import deque
from functools import total_ordering from functools import total_ordering
from django.db.migrations.state import ProjectState from django.db.migrations.state import ProjectState
from django.utils import six
from django.utils.datastructures import OrderedSet from django.utils.datastructures import OrderedSet
from .exceptions import CircularDependencyError, NodeNotFoundError from .exceptions import CircularDependencyError, NodeNotFoundError
@ -178,16 +176,12 @@ class MigrationGraph:
replaced = set(replaced) replaced = set(replaced)
try: try:
replacement_node = self.node_map[replacement] replacement_node = self.node_map[replacement]
except KeyError as exc: except KeyError as err:
exc_value = NodeNotFoundError( raise NodeNotFoundError(
"Unable to find replacement node %r. It was either never added" "Unable to find replacement node %r. It was either never added"
" to the migration graph, or has been removed." % (replacement, ), " to the migration graph, or has been removed." % (replacement, ),
replacement replacement
) ) from err
exc_value.__cause__ = exc
if not hasattr(exc, '__traceback__'):
exc.__traceback__ = sys.exc_info()[2]
six.reraise(NodeNotFoundError, exc_value, sys.exc_info()[2])
for replaced_key in replaced: for replaced_key in replaced:
self.nodes.pop(replaced_key, None) self.nodes.pop(replaced_key, None)
replaced_node = self.node_map.pop(replaced_key, None) replaced_node = self.node_map.pop(replaced_key, None)
@ -218,16 +212,12 @@ class MigrationGraph:
self.nodes.pop(replacement, None) self.nodes.pop(replacement, None)
try: try:
replacement_node = self.node_map.pop(replacement) replacement_node = self.node_map.pop(replacement)
except KeyError as exc: except KeyError as err:
exc_value = NodeNotFoundError( raise NodeNotFoundError(
"Unable to remove replacement node %r. It was either never added" "Unable to remove replacement node %r. It was either never added"
" to the migration graph, or has been removed already." % (replacement, ), " to the migration graph, or has been removed already." % (replacement, ),
replacement replacement
) ) from err
exc_value.__cause__ = exc
if not hasattr(exc, '__traceback__'):
exc.__traceback__ = sys.exc_info()[2]
six.reraise(NodeNotFoundError, exc_value, sys.exc_info()[2])
replaced_nodes = set() replaced_nodes = set()
replaced_nodes_parents = set() replaced_nodes_parents = set()
for key in replaced: for key in replaced:

9
django/db/migrations/loader.py
View File

@ -6,7 +6,6 @@ from django.apps import apps
from django.conf import settings from django.conf import settings
from django.db.migrations.graph import MigrationGraph from django.db.migrations.graph import MigrationGraph
from django.db.migrations.recorder import MigrationRecorder from django.db.migrations.recorder import MigrationRecorder
from django.utils import six
from .exceptions import ( from .exceptions import (
AmbiguityError, BadMigrationError, InconsistentMigrationHistory, AmbiguityError, BadMigrationError, InconsistentMigrationHistory,
@ -256,7 +255,7 @@ class MigrationLoader:
is_replaced = any(candidate in self.graph.nodes for candidate in candidates) is_replaced = any(candidate in self.graph.nodes for candidate in candidates)
if not is_replaced: if not is_replaced:
tries = ', '.join('%s.%s' % c for c in candidates) tries = ', '.join('%s.%s' % c for c in candidates)
exc_value = NodeNotFoundError( raise NodeNotFoundError(
"Migration {0} depends on nonexistent node ('{1}', '{2}'). " "Migration {0} depends on nonexistent node ('{1}', '{2}'). "
"Django tried to replace migration {1}.{2} with any of [{3}] " "Django tried to replace migration {1}.{2} with any of [{3}] "
"but wasn't able to because some of the replaced migrations " "but wasn't able to because some of the replaced migrations "
@ -264,11 +263,7 @@ class MigrationLoader:
exc.origin, exc.node[0], exc.node[1], tries exc.origin, exc.node[0], exc.node[1], tries
), ),
exc.node exc.node
) ) from exc
exc_value.__cause__ = exc
if not hasattr(exc, '__traceback__'):
exc.__traceback__ = sys.exc_info()[2]
six.reraise(NodeNotFoundError, exc_value, sys.exc_info()[2])
raise exc raise exc
def check_consistent_history(self, connection): def check_consistent_history(self, connection):

4
django/db/models/query.py
View File

@ -21,7 +21,7 @@ from django.db.models.fields import AutoField
from django.db.models.functions import Trunc from django.db.models.functions import Trunc
from django.db.models.query_utils import InvalidQuery, Q from django.db.models.query_utils import InvalidQuery, Q
from django.db.models.sql.constants import CURSOR from django.db.models.sql.constants import CURSOR
from django.utils import six, timezone from django.utils import timezone
from django.utils.functional import cached_property, partition from django.utils.functional import cached_property, partition
from django.utils.version import get_version from django.utils.version import get_version
@ -498,7 +498,7 @@ class QuerySet:
return self.get(**lookup), False return self.get(**lookup), False
except self.model.DoesNotExist: except self.model.DoesNotExist:
pass pass
six.reraise(*exc_info) raise exc_info[0](exc_info[1]).with_traceback(exc_info[2])
def _extract_model_params(self, defaults, **kwargs): def _extract_model_params(self, defaults, **kwargs):
""" """

3
django/db/utils.py
View File

@ -5,7 +5,6 @@ from threading import local
from django.conf import settings from django.conf import settings
from django.core.exceptions import ImproperlyConfigured from django.core.exceptions import ImproperlyConfigured
from django.utils import six
from django.utils.functional import cached_property from django.utils.functional import cached_property
from django.utils.module_loading import import_string from django.utils.module_loading import import_string
@ -90,7 +89,7 @@ class DatabaseErrorWrapper:
# the connection unusable. # the connection unusable.
if dj_exc_type not in (DataError, IntegrityError): if dj_exc_type not in (DataError, IntegrityError):
self.wrapper.errors_occurred = True self.wrapper.errors_occurred = True
six.reraise(dj_exc_type, dj_exc_value, traceback) raise dj_exc_value.with_traceback(traceback)
def __call__(self, func): def __call__(self, func):
# Note that we are intentionally not using @wraps here for performance # Note that we are intentionally not using @wraps here for performance

9
django/forms/fields.py
View File

@ -7,7 +7,6 @@ import datetime
import itertools import itertools
import os import os
import re import re
import sys
import uuid import uuid
from decimal import Decimal, DecimalException from decimal import Decimal, DecimalException
from io import BytesIO from io import BytesIO
@ -26,7 +25,7 @@ from django.forms.widgets import (
SplitDateTimeWidget, SplitHiddenDateTimeWidget, TextInput, TimeInput, SplitDateTimeWidget, SplitHiddenDateTimeWidget, TextInput, TimeInput,
URLInput, URLInput,
) )
from django.utils import formats, six from django.utils import formats
from django.utils.dateparse import parse_duration from django.utils.dateparse import parse_duration
from django.utils.duration import duration_string from django.utils.duration import duration_string
from django.utils.encoding import force_text from django.utils.encoding import force_text
@ -650,12 +649,12 @@ class ImageField(FileField):
# Pillow doesn't detect the MIME type of all formats. In those # Pillow doesn't detect the MIME type of all formats. In those
# cases, content_type will be None. # cases, content_type will be None.
f.content_type = Image.MIME.get(image.format) f.content_type = Image.MIME.get(image.format)
except Exception: except Exception as exc:
# Pillow doesn't recognize it as an image. # Pillow doesn't recognize it as an image.
six.reraise(ValidationError, ValidationError( raise ValidationError(
self.error_messages['invalid_image'], self.error_messages['invalid_image'],
code='invalid_image', code='invalid_image',
), sys.exc_info()[2]) ) from exc
if hasattr(f, 'seek') and callable(f.seek): if hasattr(f, 'seek') and callable(f.seek):
f.seek(0) f.seek(0)
return f return f

21
django/forms/utils.py
View File

@ -1,10 +1,9 @@
import json import json
import sys
from collections import UserList from collections import UserList
from django.conf import settings from django.conf import settings
from django.core.exceptions import ValidationError # backwards compatibility from django.core.exceptions import ValidationError # backwards compatibility
from django.utils import six, timezone from django.utils import timezone
from django.utils.encoding import force_text from django.utils.encoding import force_text
from django.utils.html import escape, format_html, format_html_join, html_safe from django.utils.html import escape, format_html, format_html_join, html_safe
from django.utils.translation import ugettext_lazy as _ from django.utils.translation import ugettext_lazy as _
@ -156,18 +155,14 @@ def from_current_timezone(value):
current_timezone = timezone.get_current_timezone() current_timezone = timezone.get_current_timezone()
try: try:
return timezone.make_aware(value, current_timezone) return timezone.make_aware(value, current_timezone)
except Exception: except Exception as exc:
message = _( raise ValidationError(
'%(datetime)s couldn\'t be interpreted ' _('%(datetime)s couldn\'t be interpreted '
'in time zone %(current_timezone)s; it ' 'in time zone %(current_timezone)s; it '
'may be ambiguous or it may not exist.' 'may be ambiguous or it may not exist.'),
)
params = {'datetime': value, 'current_timezone': current_timezone}
six.reraise(ValidationError, ValidationError(
message,
code='ambiguous_timezone', code='ambiguous_timezone',
params=params, params={'datetime': value, 'current_timezone': current_timezone}
), sys.exc_info()[2]) ) from exc
return value return value

7
django/http/multipartparser.py
View File

@ -7,7 +7,6 @@ file upload handlers for processing.
import base64 import base64
import binascii import binascii
import cgi import cgi
import sys
from urllib.parse import unquote from urllib.parse import unquote
from django.conf import settings from django.conf import settings
@ -17,7 +16,6 @@ from django.core.exceptions import (
from django.core.files.uploadhandler import ( from django.core.files.uploadhandler import (
SkipFile, StopFutureHandlers, StopUpload, SkipFile, StopFutureHandlers, StopUpload,
) )
from django.utils import six
from django.utils.datastructures import MultiValueDict from django.utils.datastructures import MultiValueDict
from django.utils.encoding import force_text from django.utils.encoding import force_text
from django.utils.text import unescape_entities from django.utils.text import unescape_entities
@ -247,10 +245,9 @@ class MultiPartParser:
try: try:
chunk = base64.b64decode(stripped_chunk) chunk = base64.b64decode(stripped_chunk)
except Exception as e: except Exception as exc:
# Since this is only a chunk, any error is an unfixable error. # Since this is only a chunk, any error is an unfixable error.
msg = "Could not decode base64 data: %r" % e raise MultiPartParserError("Could not decode base64 data.") from exc
six.reraise(MultiPartParserError, MultiPartParserError(msg), sys.exc_info()[2])
for i, handler in enumerate(handlers): for i, handler in enumerate(handlers):
chunk_length = len(chunk) chunk_length = len(chunk)

8
django/http/request.py
View File

@ -1,6 +1,5 @@
import copy import copy
import re import re
import sys
from io import BytesIO from io import BytesIO
from itertools import chain from itertools import chain
from urllib.parse import quote, urlencode, urljoin, urlsplit from urllib.parse import quote, urlencode, urljoin, urlsplit
@ -12,7 +11,6 @@ from django.core.exceptions import (
) )
from django.core.files import uploadhandler from django.core.files import uploadhandler
from django.http.multipartparser import MultiPartParser, MultiPartParserError from django.http.multipartparser import MultiPartParser, MultiPartParserError
from django.utils import six
from django.utils.datastructures import ImmutableList, MultiValueDict from django.utils.datastructures import ImmutableList, MultiValueDict
from django.utils.encoding import escape_uri_path, force_bytes, iri_to_uri from django.utils.encoding import escape_uri_path, force_bytes, iri_to_uri
from django.utils.http import is_same_domain, limited_parse_qsl from django.utils.http import is_same_domain, limited_parse_qsl
@ -263,7 +261,7 @@ class HttpRequest:
try: try:
self._body = self.read() self._body = self.read()
except IOError as e: except IOError as e:
six.reraise(UnreadablePostError, UnreadablePostError(*e.args), sys.exc_info()[2]) raise UnreadablePostError(*e.args) from e
self._stream = BytesIO(self._body) self._stream = BytesIO(self._body)
return self._body return self._body
@ -322,14 +320,14 @@ class HttpRequest:
try: try:
return self._stream.read(*args, **kwargs) return self._stream.read(*args, **kwargs)
except IOError as e: except IOError as e:
six.reraise(UnreadablePostError, UnreadablePostError(*e.args), sys.exc_info()[2]) raise UnreadablePostError(*e.args) from e
def readline(self, *args, **kwargs): def readline(self, *args, **kwargs):
self._read_started = True self._read_started = True
try: try:
return self._stream.readline(*args, **kwargs) return self._stream.readline(*args, **kwargs)
except IOError as e: except IOError as e:
six.reraise(UnreadablePostError, UnreadablePostError(*e.args), sys.exc_info()[2]) raise UnreadablePostError(*e.args) from e
def xreadlines(self): def xreadlines(self):
while True: while True:

4
django/template/backends/django.py
View File

@ -1,4 +1,3 @@
import sys
from importlib import import_module from importlib import import_module
from pkgutil import walk_packages from pkgutil import walk_packages
@ -8,7 +7,6 @@ from django.template import TemplateDoesNotExist
from django.template.context import make_context from django.template.context import make_context
from django.template.engine import Engine from django.template.engine import Engine
from django.template.library import InvalidTemplateLibrary from django.template.library import InvalidTemplateLibrary
from django.utils import six
from .base import BaseEngine from .base import BaseEngine
@ -83,7 +81,7 @@ def reraise(exc, backend):
Reraise TemplateDoesNotExist while maintaining template debug information. Reraise TemplateDoesNotExist while maintaining template debug information.
""" """
new = copy_exception(exc, backend) new = copy_exception(exc, backend)
six.reraise(exc.__class__, new, sys.exc_info()[2]) raise new from exc
def get_installed_libraries(): def get_installed_libraries():

11
django/template/backends/jinja2.py
View File

@ -1,10 +1,7 @@
import sys
import jinja2 import jinja2
from django.conf import settings from django.conf import settings
from django.template import TemplateDoesNotExist, TemplateSyntaxError from django.template import TemplateDoesNotExist, TemplateSyntaxError
from django.utils import six
from django.utils.functional import cached_property from django.utils.functional import cached_property
from django.utils.module_loading import import_string from django.utils.module_loading import import_string
@ -41,15 +38,11 @@ class Jinja2(BaseEngine):
try: try:
return Template(self.env.get_template(template_name), self) return Template(self.env.get_template(template_name), self)
except jinja2.TemplateNotFound as exc: except jinja2.TemplateNotFound as exc:
six.reraise( raise TemplateDoesNotExist(exc.name, backend=self) from exc
TemplateDoesNotExist,
TemplateDoesNotExist(exc.name, backend=self),
sys.exc_info()[2],
)
except jinja2.TemplateSyntaxError as exc: except jinja2.TemplateSyntaxError as exc:
new = TemplateSyntaxError(exc.args) new = TemplateSyntaxError(exc.args)
new.template_debug = get_exception_info(exc) new.template_debug = get_exception_info(exc)
six.reraise(TemplateSyntaxError, new, sys.exc_info()[2]) raise new from exc
@cached_property @cached_property
def template_context_processors(self): def template_context_processors(self):

26
django/templatetags/i18n.py
View File

@ -1,10 +1,8 @@
import sys
from django.conf import settings from django.conf import settings
from django.template import Library, Node, TemplateSyntaxError, Variable from django.template import Library, Node, TemplateSyntaxError, Variable
from django.template.base import TOKEN_TEXT, TOKEN_VAR, render_value_in_context from django.template.base import TOKEN_TEXT, TOKEN_VAR, render_value_in_context
from django.template.defaulttags import token_kwargs from django.template.defaulttags import token_kwargs
from django.utils import six, translation from django.utils import translation
from django.utils.safestring import SafeData, mark_safe from django.utils.safestring import SafeData, mark_safe
register = Library() register = Library()
@ -388,8 +386,9 @@ def do_translate(parser, token):
try: try:
value = remaining.pop(0) value = remaining.pop(0)
except IndexError: except IndexError:
msg = "No argument provided to the '%s' tag for the context option." % bits[0] raise TemplateSyntaxError(
six.reraise(TemplateSyntaxError, TemplateSyntaxError(msg), sys.exc_info()[2]) "No argument provided to the '%s' tag for the context option." % bits[0]
)
if value in invalid_context: if value in invalid_context:
raise TemplateSyntaxError( raise TemplateSyntaxError(
"Invalid argument '%s' provided to the '%s' tag for the context option" % (value, bits[0]), "Invalid argument '%s' provided to the '%s' tag for the context option" % (value, bits[0]),
@ -399,8 +398,9 @@ def do_translate(parser, token):
try: try:
value = remaining.pop(0) value = remaining.pop(0)
except IndexError: except IndexError:
msg = "No argument provided to the '%s' tag for the as option." % bits[0] raise TemplateSyntaxError(
six.reraise(TemplateSyntaxError, TemplateSyntaxError(msg), sys.exc_info()[2]) "No argument provided to the '%s' tag for the as option." % bits[0]
)
asvar = value asvar = value
else: else:
raise TemplateSyntaxError( raise TemplateSyntaxError(
@ -481,18 +481,18 @@ def do_block_translate(parser, token):
value = remaining_bits.pop(0) value = remaining_bits.pop(0)
value = parser.compile_filter(value) value = parser.compile_filter(value)
except Exception: except Exception:
msg = ( raise TemplateSyntaxError(
'"context" in %r tag expected ' '"context" in %r tag expected exactly one argument.' % bits[0]
'exactly one argument.') % bits[0] )
six.reraise(TemplateSyntaxError, TemplateSyntaxError(msg), sys.exc_info()[2])
elif option == "trimmed": elif option == "trimmed":
value = True value = True
elif option == "asvar": elif option == "asvar":
try: try:
value = remaining_bits.pop(0) value = remaining_bits.pop(0)
except IndexError: except IndexError:
msg = "No argument provided to the '%s' tag for the asvar option." % bits[0] raise TemplateSyntaxError(
six.reraise(TemplateSyntaxError, TemplateSyntaxError(msg), sys.exc_info()[2]) "No argument provided to the '%s' tag for the asvar option." % bits[0]
)
asvar = value asvar = value
else: else:
raise TemplateSyntaxError('Unknown argument for %r tag: %r.' % raise TemplateSyntaxError('Unknown argument for %r tag: %r.' %

3
django/test/client.py
View File

@ -20,7 +20,6 @@ from django.template import TemplateDoesNotExist
from django.test import signals from django.test import signals
from django.test.utils import ContextList from django.test.utils import ContextList
from django.urls import resolve from django.urls import resolve
from django.utils import six
from django.utils.encoding import force_bytes, uri_to_iri from django.utils.encoding import force_bytes, uri_to_iri
from django.utils.functional import SimpleLazyObject, curry from django.utils.functional import SimpleLazyObject, curry
from django.utils.http import urlencode from django.utils.http import urlencode
@ -494,7 +493,7 @@ class Client(RequestFactory):
if self.exc_info: if self.exc_info:
exc_info = self.exc_info exc_info = self.exc_info
self.exc_info = None self.exc_info = None
six.reraise(*exc_info) raise exc_info[0](exc_info[1]).with_traceback(exc_info[2])
# Save the client and request that stimulated the response. # Save the client and request that stimulated the response.
response.client = self response.client = self

3
django/utils/autoreload.py
View File

@ -40,7 +40,6 @@ import _thread
from django.apps import apps from django.apps import apps
from django.conf import settings from django.conf import settings
from django.core.signals import request_finished from django.core.signals import request_finished
from django.utils import six
# This import does nothing, but it's necessary to avoid some race conditions # This import does nothing, but it's necessary to avoid some race conditions
# in the threading module. See http://code.djangoproject.com/ticket/2330 . # in the threading module. See http://code.djangoproject.com/ticket/2330 .
@ -247,7 +246,7 @@ def check_errors(fn):
def raise_last_exception(): def raise_last_exception():
global _exception global _exception
if _exception is not None: if _exception is not None:
six.reraise(*_exception) raise _exception[0](_exception[1]).with_traceback(_exception[2])
def ensure_echo_on(): def ensure_echo_on():

6
django/utils/http.py
View File

@ -2,7 +2,6 @@ import base64
import calendar import calendar
import datetime import datetime
import re import re
import sys
import unicodedata import unicodedata
import warnings import warnings
from binascii import Error as BinasciiError from binascii import Error as BinasciiError
@ -13,7 +12,6 @@ from urllib.parse import (
) )
from django.core.exceptions import TooManyFieldsSent from django.core.exceptions import TooManyFieldsSent
from django.utils import six
from django.utils.datastructures import MultiValueDict from django.utils.datastructures import MultiValueDict
from django.utils.deprecation import RemovedInDjango21Warning from django.utils.deprecation import RemovedInDjango21Warning
from django.utils.encoding import force_bytes, force_str, force_text from django.utils.encoding import force_bytes, force_str, force_text
@ -163,8 +161,8 @@ def parse_http_date(date):
sec = int(m.group('sec')) sec = int(m.group('sec'))
result = datetime.datetime(year, month, day, hour, min, sec) result = datetime.datetime(year, month, day, hour, min, sec)
return calendar.timegm(result.utctimetuple()) return calendar.timegm(result.utctimetuple())
except Exception: except Exception as exc:
six.reraise(ValueError, ValueError("%r is not a valid date" % date), sys.exc_info()[2]) raise ValueError("%r is not a valid date" % date) from exc
def parse_http_date_safe(date): def parse_http_date_safe(date):

14
django/utils/module_loading.py
View File

@ -1,11 +1,8 @@
import copy import copy
import os import os
import sys
from importlib import import_module from importlib import import_module
from importlib.util import find_spec as importlib_find from importlib.util import find_spec as importlib_find
from django.utils import six
def import_string(dotted_path): def import_string(dotted_path):
""" """
@ -14,18 +11,17 @@ def import_string(dotted_path):
""" """
try: try:
module_path, class_name = dotted_path.rsplit('.', 1) module_path, class_name = dotted_path.rsplit('.', 1)
except ValueError: except ValueError as err:
msg = "%s doesn't look like a module path" % dotted_path raise ImportError("%s doesn't look like a module path" % dotted_path) from err
six.reraise(ImportError, ImportError(msg), sys.exc_info()[2])
module = import_module(module_path) module = import_module(module_path)
try: try:
return getattr(module, class_name) return getattr(module, class_name)
except AttributeError: except AttributeError as err:
msg = 'Module "%s" does not define a "%s" attribute/class' % ( raise ImportError('Module "%s" does not define a "%s" attribute/class' % (
module_path, class_name) module_path, class_name)
six.reraise(ImportError, ImportError(msg), sys.exc_info()[2]) ) from err
def autodiscover_modules(*args, **kwargs): def autodiscover_modules(*args, **kwargs):

4
tests/gis_tests/tests.py
View File

@ -1,9 +1,7 @@
import sys
import unittest import unittest
from django.core.exceptions import ImproperlyConfigured from django.core.exceptions import ImproperlyConfigured
from django.db import ProgrammingError from django.db import ProgrammingError
from django.utils import six
try: try:
from django.contrib.gis.db.backends.postgis.operations import PostGISOperations from django.contrib.gis.db.backends.postgis.operations import PostGISOperations
@ -19,7 +17,7 @@ except ImproperlyConfigured as e:
if e.args and e.args[0].startswith('Could not import user-defined GEOMETRY_BACKEND'): if e.args and e.args[0].startswith('Could not import user-defined GEOMETRY_BACKEND'):
HAS_POSTGRES = False HAS_POSTGRES = False
else: else:
six.reraise(*sys.exc_info()) raise
if HAS_POSTGRES: if HAS_POSTGRES: