Refs #24046 -- Removed mark_for_escaping() per deprecation timeline.

This commit is contained in:
Tim Graham 2016-12-31 12:43:30 -05:00
parent 0dfc5479a8
commit 60ca37d2e5
11 changed files with 24 additions and 175 deletions

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@ -54,22 +54,18 @@ from __future__ import unicode_literals
import inspect
import logging
import re
import warnings
from django.template.context import ( # NOQA: imported for backwards compatibility
BaseContext, Context, ContextPopException, RequestContext,
)
from django.utils import six
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.encoding import (
force_str, force_text, python_2_unicode_compatible,
)
from django.utils.formats import localize
from django.utils.html import conditional_escape, escape
from django.utils.inspect import getargspec
from django.utils.safestring import (
EscapeData, SafeData, mark_for_escaping, mark_safe,
)
from django.utils.safestring import SafeData, mark_safe
from django.utils.text import (
get_text_list, smart_split, unescape_string_literal,
)
@ -713,7 +709,6 @@ class FilterExpression(object):
obj = string_if_invalid
else:
obj = self.var
escape_isnt_last_filter = True
for func, args in self.filters:
arg_vals = []
for lookup, arg in args:
@ -729,22 +724,8 @@ class FilterExpression(object):
new_obj = func(obj, *arg_vals)
if getattr(func, 'is_safe', False) and isinstance(obj, SafeData):
obj = mark_safe(new_obj)
elif isinstance(obj, EscapeData):
with warnings.catch_warnings():
# Ignore mark_for_escaping deprecation as this will be
# removed in Django 2.0.
warnings.simplefilter('ignore', category=RemovedInDjango20Warning)
obj = mark_for_escaping(new_obj)
escape_isnt_last_filter = False
else:
obj = new_obj
if not escape_isnt_last_filter:
warnings.warn(
"escape isn't the last filter in %s and will be applied "
"immediately in Django 2.0 so the output may change."
% [func.__name__ for func, _ in self.filters],
RemovedInDjango20Warning, stacklevel=2
)
return obj
def args_check(name, func, provided):
@ -1015,7 +996,7 @@ def render_value_in_context(value, context):
value = template_localtime(value, use_tz=context.use_tz)
value = localize(value, use_l10n=context.use_l10n)
value = force_text(value)
if context.autoescape or isinstance(value, EscapeData):
if context.autoescape:
return conditional_escape(value)
else:
return value

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@ -3,7 +3,6 @@ from __future__ import unicode_literals
import random as random_module
import re
import warnings
from decimal import ROUND_HALF_UP, Context, Decimal, InvalidOperation
from functools import wraps
from operator import itemgetter
@ -11,14 +10,13 @@ from pprint import pformat
from django.utils import formats, six
from django.utils.dateformat import format, time_format
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.encoding import force_text, iri_to_uri
from django.utils.html import (
avoid_wrapping, conditional_escape, escape, escapejs, linebreaks,
strip_tags, urlize as _urlize,
)
from django.utils.http import urlquote
from django.utils.safestring import SafeData, mark_for_escaping, mark_safe
from django.utils.safestring import SafeData, mark_safe
from django.utils.text import (
Truncator, normalize_newlines, phone2numeric, slugify as _slugify, wrap,
)
@ -442,11 +440,7 @@ def escape_filter(value):
"""
Marks the value as a string that should be auto-escaped.
"""
with warnings.catch_warnings():
# Ignore mark_for_escaping deprecation -- this will use
# conditional_escape() in Django 2.0.
warnings.simplefilter('ignore', category=RemovedInDjango20Warning)
return mark_for_escaping(value)
return conditional_escape(value)
@register.filter(is_safe=True)

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@ -4,39 +4,11 @@ without further escaping in HTML. Marking something as a "safe string" means
that the producer of the string has already turned characters that should not
be interpreted by the HTML engine (e.g. '<') into the appropriate entities.
"""
import warnings
from django.utils import six
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.functional import Promise, curry, wraps
class EscapeData(object):
pass
class EscapeBytes(bytes, EscapeData):
"""
A byte string that should be HTML-escaped when output.
"""
pass
class EscapeText(six.text_type, EscapeData):
"""
A unicode string object that should be HTML-escaped when output.
"""
pass
if six.PY3:
EscapeString = EscapeText
else:
EscapeString = EscapeBytes
# backwards compatibility for Python 2
EscapeUnicode = EscapeText
class SafeData(object):
def __html__(self):
"""
@ -144,21 +116,3 @@ def mark_safe(s):
if callable(s):
return _safety_decorator(mark_safe, s)
return SafeString(str(s))
def mark_for_escaping(s):
"""
Explicitly mark a string as requiring HTML escaping upon output. Has no
effect on SafeData subclasses.
Can be called multiple times on a single string (the resulting escaping is
only applied once).
"""
warnings.warn('mark_for_escaping() is deprecated.', RemovedInDjango20Warning)
if hasattr(s, '__html__') or isinstance(s, EscapeData):
return s
if isinstance(s, bytes) or (isinstance(s, Promise) and s._delegate_bytes):
return EscapeBytes(s)
if isinstance(s, (six.text_type, Promise)):
return EscapeText(s)
return EscapeString(str(s))

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@ -1636,11 +1636,6 @@ Escapes a string's HTML. Specifically, it makes these replacements:
* ``"`` (double quote) is converted to ``&quot;``
* ``&`` is converted to ``&amp;``
The escaping is only applied when the string is output, so it does not matter
where in a chained sequence of filters you put ``escape``: it will always be
applied as though it were the last filter. If you want escaping to be applied
immediately, use the :tfilter:`force_escape` filter.
Applying ``escape`` to a variable that would normally have auto-escaping
applied to the result will only result in one round of escaping being done. So
it is safe to use this function even in auto-escaping environments. If you want
@ -1652,12 +1647,6 @@ For example, you can apply ``escape`` to fields when :ttag:`autoescape` is off::
{{ title|escape }}
{% endautoescape %}
.. deprecated:: 1.10
The "lazy" behavior of the ``escape`` filter is deprecated. It will change
to immediately apply :func:`~django.utils.html.conditional_escape` in
Django 2.0.
.. templatefilter:: escapejs
``escapejs``

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@ -841,16 +841,6 @@ appropriate entities.
Added support for decorator usage.
.. function:: mark_for_escaping(s)
.. deprecated:: 1.10
Explicitly mark a string as requiring HTML escaping upon output. Has no
effect on ``SafeData`` subclasses.
Can be called multiple times on a single string (the resulting escaping is
only applied once).
``django.utils.text``
=====================

View File

@ -378,3 +378,9 @@ these features.
* ``FileField`` methods ``get_directory_name()`` and ``get_filename()`` are
removed.
* The ``mark_for_escaping()`` function and the classes it uses: ``EscapeData``,
``EscapeBytes``, ``EscapeText``, ``EscapeString``, and ``EscapeUnicode`` are
removed.
* The ``escape`` filter now uses ``django.utils.html.conditional_escape()``.

View File

@ -112,22 +112,18 @@ For forwards compatibility, the new names work as of Django 1.4.2.
information.
:mod:`django.utils.safestring` is mostly used via the
:func:`~django.utils.safestring.mark_safe` and
:func:`~django.utils.safestring.mark_for_escaping` functions, which didn't
change. In case you're using the internals, here are the name changes:
:func:`~django.utils.safestring.mark_safe` function, which didn't change. In
case you're using the internals, here are the name changes:
================== ==================
Old name New name
================== ==================
``EscapeString`` ``EscapeBytes``
``EscapeUnicode`` ``EscapeText``
``SafeString`` ``SafeBytes``
``SafeUnicode`` ``SafeText``
================== ==================
For backwards compatibility, the old names still work on Python 2. Under
Python 3, ``EscapeString`` and ``SafeString`` are aliases for ``EscapeText``
and ``SafeText`` respectively.
For backwards compatibility, the old names still work on Python 2. On Python 3,
``SafeString`` is an alias for ``SafeText``.
For forwards compatibility, the new names work as of Django 1.4.2.

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@ -1,8 +1,4 @@
import warnings
from django.test import SimpleTestCase, ignore_warnings
from django.test.utils import reset_warning_registry
from django.utils.deprecation import RemovedInDjango20Warning
from django.test import SimpleTestCase
from django.utils.safestring import mark_safe
from ..utils import setup
@ -42,20 +38,9 @@ class ChainingTests(SimpleTestCase):
# Using a filter that forces safeness does not lead to double-escaping
@setup({'chaining05': '{{ a|escape|capfirst }}'})
def test_chaining05(self):
reset_warning_registry()
with warnings.catch_warnings(record=True) as warns:
warnings.simplefilter('always')
output = self.engine.render_to_string('chaining05', {'a': 'a < b'})
self.assertEqual(output, 'A &lt; b')
self.assertEqual(len(warns), 1)
self.assertEqual(
str(warns[0].message),
"escape isn't the last filter in ['escape_filter', 'capfirst'] and "
"will be applied immediately in Django 2.0 so the output may change."
)
@ignore_warnings(category=RemovedInDjango20Warning)
@setup({'chaining06': '{% autoescape off %}{{ a|escape|capfirst }}{% endautoescape %}'})
def test_chaining06(self):
output = self.engine.render_to_string('chaining06', {'a': 'a < b'})

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@ -1,7 +1,6 @@
from django.template.defaultfilters import escape
from django.test import SimpleTestCase, ignore_warnings
from django.test import SimpleTestCase
from django.utils import six
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.functional import Promise, lazy
from django.utils.safestring import mark_safe
@ -24,15 +23,11 @@ class EscapeTests(SimpleTestCase):
output = self.engine.render_to_string('escape02', {"a": "x&y", "b": mark_safe("x&y")})
self.assertEqual(output, "x&amp;y x&y")
# It is only applied once, regardless of the number of times it
# appears in a chain (to be changed in Django 2.0).
@ignore_warnings(category=RemovedInDjango20Warning)
@setup({'escape03': '{% autoescape off %}{{ a|escape|escape }}{% endautoescape %}'})
def test_escape03(self):
output = self.engine.render_to_string('escape03', {"a": "x&y"})
self.assertEqual(output, "x&amp;y")
@ignore_warnings(category=RemovedInDjango20Warning)
@setup({'escape04': '{{ a|escape|escape }}'})
def test_escape04(self):
output = self.engine.render_to_string('escape04', {"a": "x&y"})

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@ -2,8 +2,7 @@
from __future__ import unicode_literals
from django.template.defaultfilters import force_escape
from django.test import SimpleTestCase, ignore_warnings
from django.utils.deprecation import RemovedInDjango20Warning
from django.test import SimpleTestCase
from django.utils.safestring import SafeData
from ..utils import setup
@ -36,8 +35,7 @@ class ForceEscapeTests(SimpleTestCase):
self.assertEqual(output, "x&amp;amp;y")
# Because the result of force_escape is "safe", an additional
# escape filter has no effect (to be changed in Django 2.0).
@ignore_warnings(category=RemovedInDjango20Warning)
# escape filter has no effect.
@setup({'force-escape05': '{% autoescape off %}{{ a|force_escape|escape }}{% endautoescape %}'})
def test_force_escape05(self):
output = self.engine.render_to_string('force-escape05', {"a": "x&y"})
@ -48,17 +46,15 @@ class ForceEscapeTests(SimpleTestCase):
output = self.engine.render_to_string('force-escape06', {"a": "x&y"})
self.assertEqual(output, "x&amp;y")
@ignore_warnings(category=RemovedInDjango20Warning)
@setup({'force-escape07': '{% autoescape off %}{{ a|escape|force_escape }}{% endautoescape %}'})
def test_force_escape07(self):
output = self.engine.render_to_string('force-escape07', {"a": "x&y"})
self.assertEqual(output, "x&amp;y")
self.assertEqual(output, "x&amp;amp;y")
@ignore_warnings(category=RemovedInDjango20Warning)
@setup({'force-escape08': '{{ a|escape|force_escape }}'})
def test_force_escape08(self):
output = self.engine.render_to_string('force-escape08', {"a": "x&y"})
self.assertEqual(output, "x&amp;y")
self.assertEqual(output, "x&amp;amp;y")
class FunctionTests(SimpleTestCase):

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@ -1,14 +1,11 @@
from __future__ import unicode_literals
from django.template import Context, Template
from django.test import SimpleTestCase, ignore_warnings
from django.test import SimpleTestCase
from django.utils import html, six, text
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.encoding import force_bytes
from django.utils.functional import lazy, lazystr
from django.utils.safestring import (
EscapeData, SafeData, mark_for_escaping, mark_safe,
)
from django.utils.safestring import SafeData, mark_safe
lazybytes = lazy(force_bytes, bytes)
@ -63,40 +60,6 @@ class SafeStringTest(SimpleTestCase):
def test_mark_safe_lazy_result_implements_dunder_html(self):
self.assertEqual(mark_safe(lazystr('a&b')).__html__(), 'a&b')
@ignore_warnings(category=RemovedInDjango20Warning)
def test_mark_for_escaping(self):
s = mark_for_escaping('a&b')
self.assertRenderEqual('{{ s }}', 'a&amp;b', s=s)
self.assertRenderEqual('{{ s }}', 'a&amp;b', s=mark_for_escaping(s))
@ignore_warnings(category=RemovedInDjango20Warning)
def test_mark_for_escaping_object_implementing_dunder_html(self):
e = customescape('<a&b>')
s = mark_for_escaping(e)
self.assertIs(s, e)
self.assertRenderEqual('{{ s }}', '<<a&b>>', s=s)
self.assertRenderEqual('{{ s|force_escape }}', '&lt;a&amp;b&gt;', s=s)
@ignore_warnings(category=RemovedInDjango20Warning)
def test_mark_for_escaping_lazy(self):
s = lazystr('a&b')
b = lazybytes(b'a&b')
self.assertIsInstance(mark_for_escaping(s), EscapeData)
self.assertIsInstance(mark_for_escaping(b), EscapeData)
self.assertRenderEqual('{% autoescape off %}{{ s }}{% endautoescape %}', 'a&amp;b', s=mark_for_escaping(s))
@ignore_warnings(category=RemovedInDjango20Warning)
def test_mark_for_escaping_object_implementing_dunder_str(self):
class Obj(object):
def __str__(self):
return '<obj>'
s = mark_for_escaping(Obj())
self.assertRenderEqual('{{ s }}', '&lt;obj&gt;', s=s)
def test_add_lazy_safe_text_and_safe_text(self):
s = html.escape(lazystr('a'))
s += mark_safe('&b')