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Refs #23832 -- Removed deprecated non-timezone aware Storage API.

This commit is contained in:
Tim Graham 2016-12-31 11:11:04 -05:00
parent 740f63a3df
commit 2d7fb77987
4 changed files with 7 additions and 210 deletions
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112
django/core/files/storage.py
View File

@ -1,6 +1,5 @@
import errno
import os
import warnings
from datetime import datetime
from django.conf import settings
@ -12,7 +11,6 @@ from django.utils import timezone
from django.utils._os import abspathu, safe_join
from django.utils.crypto import get_random_string
from django.utils.deconstruct import deconstructible
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.encoding import filepath_to_uri, force_text
from django.utils.functional import LazyObject, cached_property
from django.utils.module_loading import import_string
@ -146,103 +144,26 @@ class Storage(object):
"""
raise NotImplementedError('subclasses of Storage must provide a url() method')
def accessed_time(self, name):
"""
Returns the last accessed time (as datetime object) of the file
specified by name. Deprecated: use get_accessed_time() instead.
"""
warnings.warn(
'Storage.accessed_time() is deprecated in favor of get_accessed_time().',
RemovedInDjango20Warning,
stacklevel=2,
)
raise NotImplementedError('subclasses of Storage must provide an accessed_time() method')
def created_time(self, name):
"""
Returns the creation time (as datetime object) of the file
specified by name. Deprecated: use get_created_time() instead.
"""
warnings.warn(
'Storage.created_time() is deprecated in favor of get_created_time().',
RemovedInDjango20Warning,
stacklevel=2,
)
raise NotImplementedError('subclasses of Storage must provide a created_time() method')
def modified_time(self, name):
"""
Returns the last modified time (as datetime object) of the file
specified by name. Deprecated: use get_modified_time() instead.
"""
warnings.warn(
'Storage.modified_time() is deprecated in favor of get_modified_time().',
RemovedInDjango20Warning,
stacklevel=2,
)
raise NotImplementedError('subclasses of Storage must provide a modified_time() method')
def get_accessed_time(self, name):
"""
Return the last accessed time (as a datetime) of the file specified by
name. The datetime will be timezone-aware if USE_TZ=True.
"""
# At the end of the deprecation:
# raise NotImplementedError('subclasses of Storage must provide a get_accessed_time() method')
warnings.warn(
'Storage.accessed_time() is deprecated. '
'Storage backends should implement get_accessed_time().',
RemovedInDjango20Warning,
stacklevel=2,
)
dt = self.accessed_time(name)
return _possibly_make_aware(dt)
raise NotImplementedError('subclasses of Storage must provide a get_accessed_time() method')
def get_created_time(self, name):
"""
Return the creation time (as a datetime) of the file specified by name.
The datetime will be timezone-aware if USE_TZ=True.
"""
# At the end of the deprecation:
# raise NotImplementedError('subclasses of Storage must provide a get_created_time() method')
warnings.warn(
'Storage.created_time() is deprecated. '
'Storage backends should implement get_created_time().',
RemovedInDjango20Warning,
stacklevel=2,
)
dt = self.created_time(name)
return _possibly_make_aware(dt)
raise NotImplementedError('subclasses of Storage must provide a get_created_time() method')
def get_modified_time(self, name):
"""
Return the last modified time (as a datetime) of the file specified by
name. The datetime will be timezone-aware if USE_TZ=True.
"""
# At the end of the deprecation:
# raise NotImplementedError('subclasses of Storage must provide a get_modified_time() method')
warnings.warn(
'Storage.modified_time() is deprecated. '
'Storage backends should implement get_modified_time().',
RemovedInDjango20Warning,
stacklevel=2,
)
dt = self.modified_time(name)
return _possibly_make_aware(dt)
def _possibly_make_aware(dt):
"""
Convert a datetime object in the local timezone to aware
in UTC, if USE_TZ is True.
"""
# This function is only needed to help with the deprecations above and can
# be removed in Django 2.0, RemovedInDjango20Warning.
if settings.USE_TZ:
tz = timezone.get_default_timezone()
return timezone.make_aware(dt, tz).astimezone(timezone.utc)
else:
return dt
raise NotImplementedError('subclasses of Storage must provide a get_modified_time() method')
@deconstructible
@ -415,33 +336,6 @@ class FileSystemStorage(Storage):
url = url.lstrip('/')
return urljoin(self.base_url, url)
def accessed_time(self, name):
warnings.warn(
'FileSystemStorage.accessed_time() is deprecated in favor of '
'get_accessed_time().',
RemovedInDjango20Warning,
stacklevel=2,
)
return datetime.fromtimestamp(os.path.getatime(self.path(name)))
def created_time(self, name):
warnings.warn(
'FileSystemStorage.created_time() is deprecated in favor of '
'get_created_time().',
RemovedInDjango20Warning,
stacklevel=2,
)
return datetime.fromtimestamp(os.path.getctime(self.path(name)))
def modified_time(self, name):
warnings.warn(
'FileSystemStorage.modified_time() is deprecated in favor of '
'get_modified_time().',
RemovedInDjango20Warning,
stacklevel=2,
)
return datetime.fromtimestamp(os.path.getmtime(self.path(name)))
def _datetime_from_timestamp(self, ts):
"""
If timezone support is enabled, make an aware datetime object in UTC;

33
docs/ref/files/storage.txt
View File

@ -77,28 +77,6 @@ The ``Storage`` class
used will be the current value of ``os.environ['TZ']``; note that this
is usually set from Django's :setting:`TIME_ZONE`.
.. method:: accessed_time(name)
Returns a naive ``datetime`` object containing the last
accessed time of the file. For storage systems that aren't
able to return the last accessed time this will raise
``NotImplementedError`` instead.
.. deprecated:: 1.10
Use :meth:`get_accessed_time` instead.
.. method:: created_time(name)
Returns a naive ``datetime`` object containing the creation
time of the file. For storage systems that aren't able to
return the creation time this will raise
``NotImplementedError`` instead.
.. deprecated:: 1.10
Use :meth:`get_created_time` instead.
.. method:: delete(name)
Deletes the file referenced by ``name``. If deletion is not supported
@ -186,17 +164,6 @@ The ``Storage`` class
storage systems that aren't able to provide such a listing, this will
raise a ``NotImplementedError`` instead.
.. method:: modified_time(name)
Returns a naive ``datetime`` object containing the last
modified time. For storage systems that aren't able to return
the last modified time, this will raise
``NotImplementedError`` instead.
.. deprecated:: 1.10
Use :meth:`get_modified_time` instead.
.. method:: open(name, mode='rb')
Opens the file given by ``name``. Note that although the returned file

3
docs/releases/2.0.txt
View File

@ -347,3 +347,6 @@ these features.
migrations.
* The template ``Context.has_key()`` method is removed.
* Support for the ``django.core.files.storage.Storage.accessed_time()``,
``created_time()``, and ``modified_time()`` methods is removed.

69
tests/file_storage/tests.py
View File

@ -20,14 +20,12 @@ from django.core.files.uploadedfile import (
)
from django.db.models.fields.files import FileDescriptor
from django.test import (
LiveServerTestCase, SimpleTestCase, TestCase, ignore_warnings,
override_settings,
LiveServerTestCase, SimpleTestCase, TestCase, override_settings,
)
from django.test.utils import requires_tz_support
from django.urls import NoReverseMatch, reverse_lazy
from django.utils import six, timezone
from django.utils._os import upath
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.six.moves.urllib.request import urlopen
from .models import Storage, temp_storage, temp_storage_location
@ -227,21 +225,6 @@ class FileStorageTests(SimpleTestCase):
def test_file_get_accessed_time_timezone(self):
self._test_file_time_getter(self.storage.get_accessed_time)
@ignore_warnings(category=RemovedInDjango20Warning)
def test_file_accessed_time(self):
"""
File storage returns a datetime for the last accessed time of a file.
"""
self.assertFalse(self.storage.exists('test.file'))
f = ContentFile('custom contents')
f_name = self.storage.save('test.file', f)
self.addCleanup(self.storage.delete, f_name)
atime = self.storage.accessed_time(f_name)
self.assertEqual(atime, datetime.fromtimestamp(os.path.getatime(self.storage.path(f_name))))
self.assertLess(datetime.now() - self.storage.accessed_time(f_name), timedelta(seconds=2))
def test_file_get_created_time(self):
"""
File storage returns a datetime for the creation time of a file.
@ -260,21 +243,6 @@ class FileStorageTests(SimpleTestCase):
def test_file_get_created_time_timezone(self):
self._test_file_time_getter(self.storage.get_created_time)
@ignore_warnings(category=RemovedInDjango20Warning)
def test_file_created_time(self):
"""
File storage returns a datetime for the creation time of a file.
"""
self.assertFalse(self.storage.exists('test.file'))
f = ContentFile('custom contents')
f_name = self.storage.save('test.file', f)
ctime = self.storage.created_time(f_name)
self.addCleanup(self.storage.delete, f_name)
self.assertEqual(ctime, datetime.fromtimestamp(os.path.getctime(self.storage.path(f_name))))
self.assertLess(datetime.now() - self.storage.created_time(f_name), timedelta(seconds=2))
def test_file_get_modified_time(self):
"""
File storage returns a datetime for the last modified time of a file.
@ -293,21 +261,6 @@ class FileStorageTests(SimpleTestCase):
def test_file_get_modified_time_timezone(self):
self._test_file_time_getter(self.storage.get_modified_time)
@ignore_warnings(category=RemovedInDjango20Warning)
def test_file_modified_time(self):
"""
File storage returns a datetime for the last modified time of a file.
"""
self.assertFalse(self.storage.exists('test.file'))
f = ContentFile('custom contents')
f_name = self.storage.save('test.file', f)
self.addCleanup(self.storage.delete, f_name)
mtime = self.storage.modified_time(f_name)
self.assertEqual(mtime, datetime.fromtimestamp(os.path.getmtime(self.storage.path(f_name))))
self.assertLess(datetime.now() - self.storage.modified_time(f_name), timedelta(seconds=2))
def test_file_save_without_name(self):
"""
File storage extracts the filename from the content object if no
@ -613,26 +566,6 @@ class CustomStorageTests(FileStorageTests):
self.storage.delete(second)
class CustomStorageLegacyDatetimeHandling(FileSystemStorage):
# Use the legacy accessed_time() et al from FileSystemStorage and the
# shim get_accessed_time() et al from the Storage baseclass. Both of those
# raise warnings, so the testcase class ignores them all.
def get_accessed_time(self, name):
return super(FileSystemStorage, self).get_accessed_time(name)
def get_created_time(self, name):
return super(FileSystemStorage, self).get_created_time(name)
def get_modified_time(self, name):
return super(FileSystemStorage, self).get_modified_time(name)
@ignore_warnings(category=RemovedInDjango20Warning)
class CustomStorageLegacyDatetimeHandlingTests(FileStorageTests):
storage_class = CustomStorageLegacyDatetimeHandling
class DiscardingFalseContentStorage(FileSystemStorage):
def _save(self, name, content):
if content: