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.. currentmodule:: jinja2
Version 3.0.0
-------------
Unreleased
- Drop support for Python 2.7 and 3.5.
- Bump MarkupSafe dependency to >=1.1.
- Bump Babel optional dependency to >=2.1.
- Remove code that was marked deprecated.
- Use :pep:`451` API to load templates with
:class:`~loaders.PackageLoader`. :issue:`1168`
- Fix a bug that caused imported macros to not have access to the
current template's globals. :issue:`688`
- Add ability to ignore ``trim_blocks`` using ``+%}``. :issue:`1036`
- Fix a bug that caused custom async-only filters to fail with
constant input. :issue:`1279`
- Fix UndefinedError incorrectly being thrown on an undefined variable
instead of ``Undefined`` being returned on
``NativeEnvironment`` on Python 3.10. :issue:`1335`
- Blocks can be marked as ``required``. They must be overridden at
some point, but not necessarily by the direct child. :issue:`1147`
- Deprecate the ``autoescape`` and ``with`` extensions, they are
built-in to the compiler. :issue:`1203`
- The ``urlize`` filter recognizes ``mailto:`` links and takes
``extra_schemes`` (or ``env.policies["urlize.extra_schemes"]``) to
recognize other schemes. It tries to balance parentheses within a
URL instead of ignoring trailing characters. The parsing in general
has been updated to be more efficient and match more cases. URLs
without a scheme are linked as ``https://`` instead of ``http://``.
:issue:`522, 827, 1172`, :pr:`1195`
- Filters that get attributes, such as ``map`` and ``groupby``, can
use a false or empty value as a default. :issue:`1331`
- Fix a bug that prevented variables set in blocks or loops from
being accessed in custom context functions. :issue:`768`
- Fix a bug that caused scoped blocks from accessing special loop
variables. :issue:`1088`
- Update the template globals when calling
``Environment.get_template(globals=...)`` even if the template was
already loaded. :issue:`295`
- Do not raise an error for undefined filters in unexecuted
if-statements and conditional expressions. :issue:`842`
- Add ``is filter`` and ``is test`` tests to test if a name is a
registered filter or test. This allows checking if a filter is
available in a template before using it. Test functions can be
decorated with ``@environmentfunction``, ``@evalcontextfunction``,
or ``@contextfunction``. :issue:`842`, :pr:`1248`
- Support ``pgettext`` and ``npgettext`` (message contexts) in i18n
extension. :issue:`441`
- The ``|indent`` filter's ``width`` argument can be a string to
indent by. :pr:`1167`
- The parser understands hex, octal, and binary integer literals.
:issue:`1170`
- ``Undefined.__contains__`` (``in``) raises an ``UndefinedError``
instead of a ``TypeError``. :issue:`1198`
- ``Undefined`` is iterable in an async environment. :issue:`1294`
- ``NativeEnvironment`` supports async mode. :issue:`1362`
Version 2.11.3
--------------
Released 2021-01-31
- Improve the speed of the ``urlize`` filter by reducing regex
backtracking. Email matching requires a word character at the start
of the domain part, and only word characters in the TLD. :pr:`1343`
Version 2.11.2
--------------
Released 2020-04-13
- Fix a bug that caused callable objects with ``__getattr__``, like
:class:`~unittest.mock.Mock` to be treated as a
:func:`contextfunction`. :issue:`1145`
- Update ``wordcount`` filter to trigger :class:`Undefined` methods
by wrapping the input in :func:`soft_str`. :pr:`1160`
- Fix a hang when displaying tracebacks on Python 32-bit.
:issue:`1162`
- Showing an undefined error for an object that raises
``AttributeError`` on access doesn't cause a recursion error.
:issue:`1177`
- Revert changes to :class:`~loaders.PackageLoader` from 2.10 which
removed the dependency on setuptools and pkg_resources, and added
limited support for namespace packages. The changes caused issues
when using Pytest. Due to the difficulty in supporting Python 2 and
:pep:`451` simultaneously, the changes are reverted until 3.0.
:pr:`1182`
- Fix line numbers in error messages when newlines are stripped.
:pr:`1178`
- The special ``namespace()`` assignment object in templates works in
async environments. :issue:`1180`
- Fix whitespace being removed before tags in the middle of lines when
``lstrip_blocks`` is enabled. :issue:`1138`
- :class:`~nativetypes.NativeEnvironment` doesn't evaluate
intermediate strings during rendering. This prevents early
evaluation which could change the value of an expression.
:issue:`1186`
Version 2.11.1
--------------
Released 2020-01-30
- Fix a bug that prevented looking up a key after an attribute
(``{{ data.items[1:] }}``) in an async template. :issue:`1141`
Version 2.11.0
--------------
Released 2020-01-27
- Drop support for Python 2.6, 3.3, and 3.4. This will be the last
version to support Python 2.7 and 3.5.
- Added a new ``ChainableUndefined`` class to support getitem and
getattr on an undefined object. :issue:`977`
- Allow ``{%+`` syntax (with NOP behavior) when ``lstrip_blocks`` is
disabled. :issue:`748`
- Added a ``default`` parameter for the ``map`` filter. :issue:`557`
- Exclude environment globals from
:func:`meta.find_undeclared_variables`. :issue:`931`
- Float literals can be written with scientific notation, like
2.56e-3. :issue:`912`, :pr:`922`
- Int and float literals can be written with the '_' separator for
legibility, like 12_345. :pr:`923`
- Fix a bug causing deadlocks in ``LRUCache.setdefault``. :pr:`1000`
- The ``trim`` filter takes an optional string of characters to trim.
:pr:`828`
- A new ``jinja2.ext.debug`` extension adds a ``{% debug %}`` tag to
quickly dump the current context and available filters and tests.
:issue:`174`, :pr:`798, 983`
- Lexing templates with large amounts of whitespace is much faster.
:issue:`857`, :pr:`858`
- Parentheses around comparisons are preserved, so
``{{ 2 * (3 < 5) }}`` outputs "2" instead of "False".
:issue:`755`, :pr:`938`
- Add new ``boolean``, ``false``, ``true``, ``integer`` and ``float``
tests. :pr:`824`
- The environment's ``finalize`` function is only applied to the
output of expressions (constant or not), not static template data.
:issue:`63`
- When providing multiple paths to ``FileSystemLoader``, a template
can have the same name as a directory. :issue:`821`
- Always return :class:`Undefined` when omitting the ``else`` clause
in a ``{{ 'foo' if bar }}`` expression, regardless of the
environment's ``undefined`` class. Omitting the ``else`` clause is a
valid shortcut and should not raise an error when using
:class:`StrictUndefined`. :issue:`710`, :pr:`1079`
- Fix behavior of ``loop`` control variables such as ``length`` and
``revindex0`` when looping over a generator. :issue:`459, 751, 794`,
:pr:`993`
- Async support is only loaded the first time an environment enables
it, in order to avoid a slow initial import. :issue:`765`
- In async environments, the ``|map`` filter will await the filter
call if needed. :pr:`913`
- In for loops that access ``loop`` attributes, the iterator is not
advanced ahead of the current iteration unless ``length``,
``revindex``, ``nextitem``, or ``last`` are accessed. This makes it
less likely to break ``groupby`` results. :issue:`555`, :pr:`1101`
- In async environments, the ``loop`` attributes ``length`` and
``revindex`` work for async iterators. :pr:`1101`
- In async environments, values from attribute/property access will
be awaited if needed. :pr:`1101`
- :class:`~loader.PackageLoader` doesn't depend on setuptools or
pkg_resources. :issue:`970`
- ``PackageLoader`` has limited support for :pep:`420` namespace
packages. :issue:`1097`
- Support :class:`os.PathLike` objects in
:class:`~loader.FileSystemLoader` and :class:`~loader.ModuleLoader`.
:issue:`870`
- :class:`~nativetypes.NativeTemplate` correctly handles quotes
between expressions. ``"'{{ a }}', '{{ b }}'"`` renders as the tuple
``('1', '2')`` rather than the string ``'1, 2'``. :issue:`1020`
- Creating a :class:`~nativetypes.NativeTemplate` directly creates a
:class:`~nativetypes.NativeEnvironment` instead of a default
:class:`Environment`. :issue:`1091`
- After calling ``LRUCache.copy()``, the copy's queue methods point to
the correct queue. :issue:`843`
- Compiling templates always writes UTF-8 instead of defaulting to the
system encoding. :issue:`889`
- ``|wordwrap`` filter treats existing newlines as separate paragraphs
to be wrapped individually, rather than creating short intermediate
lines. :issue:`175`
- Add ``break_on_hyphens`` parameter to ``|wordwrap`` filter.
:issue:`550`
- Cython compiled functions decorated as context functions will be
passed the context. :pr:`1108`
- When chained comparisons of constants are evaluated at compile time,
the result follows Python's behavior of returning ``False`` if any
comparison returns ``False``, rather than only the last one.
:issue:`1102`
- Tracebacks for exceptions in templates show the correct line numbers
and source for Python >= 3.7. :issue:`1104`
- Tracebacks for template syntax errors in Python 3 no longer show
internal compiler frames. :issue:`763`
- Add a ``DerivedContextReference`` node that can be used by
extensions to get the current context and local variables such as
``loop``. :issue:`860`
- Constant folding during compilation is applied to some node types
that were previously overlooked. :issue:`733`
- ``TemplateSyntaxError.source`` is not empty when raised from an
included template. :issue:`457`
- Passing an ``Undefined`` value to ``get_template`` (such as through
``extends``, ``import``, or ``include``), raises an
``UndefinedError`` consistently. ``select_template`` will show the
undefined message in the list of attempts rather than the empty
string. :issue:`1037`
- ``TemplateSyntaxError`` can be pickled. :pr:`1117`
Version 2.10.3
--------------
Released 2019-10-04
- Fix a typo in Babel entry point in ``setup.py`` that was preventing
installation.
Version 2.10.2
--------------
Released 2019-10-04
- Fix Python 3.7 deprecation warnings.
- Using ``range`` in the sandboxed environment uses ``xrange`` on
Python 2 to avoid memory use. :issue:`933`
- Use Python 3.7's better traceback support to avoid a core dump when
using debug builds of Python 3.7. :issue:`1050`
Version 2.10.1
--------------
Released 2019-04-06
- ``SandboxedEnvironment`` securely handles ``str.format_map`` in
order to prevent code execution through untrusted format strings.
The sandbox already handled ``str.format``.
Version 2.10
------------
Released 2017-11-08
- Added a new extension node called ``OverlayScope`` which can be used
to create an unoptimized scope that will look up all variables from
a derived context.
- Added an ``in`` test that works like the in operator. This can be
used in combination with ``reject`` and ``select``.
- Added ``previtem`` and ``nextitem`` to loop contexts, providing
access to the previous/next item in the loop. If such an item does
not exist, the value is undefined.
- Added ``changed(*values)`` to loop contexts, providing an easy way
of checking whether a value has changed since the last iteration (or
rather since the last call of the method)
- Added a ``namespace`` function that creates a special object which
allows attribute assignment using the ``set`` tag. This can be used
to carry data across scopes, e.g. from a loop body to code that
comes after the loop.
- Added a ``trimmed`` modifier to ``{% trans %}`` to strip linebreaks
and surrounding whitespace. Also added a new policy to enable this
for all ``trans`` blocks.
- The ``random`` filter is no longer incorrectly constant folded and
will produce a new random choice each time the template is rendered.
:pr:`478`
- Added a ``unique`` filter. :pr:`469`
- Added ``min`` and ``max`` filters. :pr:`475`
- Added tests for all comparison operators: ``eq``, ``ne``, ``lt``,
``le``, ``gt``, ``ge``. :pr:`665`
- ``import`` statement cannot end with a trailing comma. :pr:`617`,
:pr:`618`
- ``indent`` filter will not indent blank lines by default. :pr:`685`
- Add ``reverse`` argument for ``dictsort`` filter. :pr:`692`
- Add a ``NativeEnvironment`` that renders templates to native Python
types instead of strings. :pr:`708`
- Added filter support to the block ``set`` tag. :pr:`489`
- ``tojson`` filter marks output as safe to match documented behavior.
:pr:`718`
- Resolved a bug where getting debug locals for tracebacks could
modify template context.
- Fixed a bug where having many ``{% elif ... %}`` blocks resulted in
a "too many levels of indentation" error. These blocks now compile
to native ``elif ..:`` instead of ``else: if ..:`` :issue:`759`
Version 2.9.6
-------------
Released 2017-04-03
- Fixed custom context behavior in fast resolve mode :issue:`675`
Version 2.9.5
-------------
Released 2017-01-28
- Restored the original repr of the internal ``_GroupTuple`` because
this caused issues with ansible and it was an unintended change.
:issue:`654`
- Added back support for custom contexts that override the old
``resolve`` method since it was hard for people to spot that this
could cause a regression.
- Correctly use the buffer for the else block of for loops. This
caused invalid syntax errors to be caused on 2.x and completely
wrong behavior on Python 3 :issue:`669`
- Resolve an issue where the ``{% extends %}`` tag could not be used
with async environments. :issue:`668`
- Reduce memory footprint slightly by reducing our unicode database
dump we use for identifier matching on Python 3 :issue:`666`
- Fixed autoescaping not working for macros in async compilation mode.
:issue:`671`
Version 2.9.4
-------------
Released 2017-01-10
- Solved some warnings for string literals. :issue:`646`
- Increment the bytecode cache version which was not done due to an
oversight before.
- Corrected bad code generation and scoping for filtered loops.
:issue:`649`
- Resolved an issue where top-level output silencing after known
extend blocks could generate invalid code when blocks where
contained in if statements. :issue:`651`
- Made the ``truncate.leeway`` default configurable to improve
compatibility with older templates.
Version 2.9.3
-------------
Released 2017-01-08
- Restored the use of blocks in macros to the extend that was possible
before. On Python 3 it would render a generator repr instead of the
block contents. :issue:`645`
- Set a consistent behavior for assigning of variables in inner scopes
when the variable is also read from an outer scope. This now sets
the intended behavior in all situations however it does not restore
the old behavior where limited assignments to outer scopes was
possible. For more information and a discussion see :issue:`641`
- Resolved an issue where ``block scoped`` would not take advantage of
the new scoping rules. In some more exotic cases a variable
overriden in a local scope would not make it into a block.
- Change the code generation of the ``with`` statement to be in line
with the new scoping rules. This resolves some unlikely bugs in edge
cases. This also introduces a new internal ``With`` node that can be
used by extensions.
Version 2.9.2
-------------
Released 2017-01-08
- Fixed a regression that caused for loops to not be able to use the
same variable for the target as well as source iterator.
:issue:`640`
- Add support for a previously unknown behavior of macros. It used to
be possible in some circumstances to explicitly provide a caller
argument to macros. While badly buggy and unintended it turns out
that this is a common case that gets copy pasted around. To not
completely break backwards compatibility with the most common cases
it's now possible to provide an explicit keyword argument for caller
if it's given an explicit default. :issue:`642`
Version 2.9.1
-------------
Released 2017-01-07
- Resolved a regression with call block scoping for macros. Nested
caller blocks that used the same identifiers as outer macros could
refer to the wrong variable incorrectly.
Version 2.9
-----------
Released 2017-01-07, codename Derivation
- Change cache key definition in environment. This fixes a performance
regression introduced in 2.8.
- Added support for ``generator_stop`` on supported Python versions
(Python 3.5 and later)
- Corrected a long standing issue with operator precedence of math
operations not being what was expected.
- Added support for Python 3.6 async iterators through a new async
mode.
- Added policies for filter defaults and similar things.
- Urlize now sets "rel noopener" by default.
- Support attribute fallback for old-style classes in 2.x.
- Support toplevel set statements in extend situations.
- Restored behavior of Cycler for Python 3 users.
- Subtraction now follows the same behavior as other operators on
undefined values.
- ``map`` and friends will now give better error messages if you
forgot to quote the parameter.
- Depend on MarkupSafe 0.23 or higher.
- Improved the ``truncate`` filter to support better truncation in
case the string is barely truncated at all.
- Change the logic for macro autoescaping to be based on the runtime
autoescaping information at call time instead of macro define time.
- Ported a modified version of the ``tojson`` filter from Flask to
Jinja and hooked it up with the new policy framework.
- Block sets are now marked ``safe`` by default.
- On Python 2 the asciification of ASCII strings can now be disabled
with the ``compiler.ascii_str`` policy.
- Tests now no longer accept an arbitrary expression as first argument
but a restricted one. This means that you can now properly use
multiple tests in one expression without extra parentheses. In
particular you can now write ``foo is divisibleby 2 or foo is
divisibleby 3`` as you would expect.
- Greatly changed the scoping system to be more consistent with what
template designers and developers expect. There is now no more magic
difference between the different include and import constructs.
Context is now always propagated the same way. The only remaining
differences is the defaults for ``with context`` and ``without
context``.
- The ``with`` and ``autoescape`` tags are now built-in.
- Added the new ``select_autoescape`` function which helps configuring
better autoescaping easier.
- Fixed a runtime error in the sandbox when attributes of async
generators were accessed.
Version 2.8.1
-------------
Released 2016-12-29
- Fixed the ``for_qs`` flag for ``urlencode``.
- Fixed regression when applying ``int`` to non-string values.
- SECURITY: if the sandbox mode is used format expressions are now
sandboxed with the same rules as in Jinja. This solves various
information leakage problems that can occur with format strings.
Version 2.8
-----------
Released 2015-07-26, codename Replacement
- Added ``target`` parameter to urlize function.
- Added support for ``followsymlinks`` to the file system loader.
- The truncate filter now counts the length.
- Added equalto filter that helps with select filters.
- Changed cache keys to use absolute file names if available instead
of load names.
- Fixed loop length calculation for some iterators.
- Changed how Jinja enforces strings to be native strings in Python 2
to work when people break their default encoding.
- Added ``make_logging_undefined`` which returns an undefined
object that logs failures into a logger.
- If unmarshalling of cached data fails the template will be reloaded
now.
- Implemented a block ``set`` tag.
- Default cache size was increased to 400 from a low 50.
- Fixed ``is number`` test to accept long integers in all Python
versions.
- Changed ``is number`` to accept Decimal as a number.
- Added a check for default arguments followed by non-default
arguments. This change makes ``{% macro m(x, y=1, z) %}`` a syntax
error. The previous behavior for this code was broken anyway
(resulting in the default value being applied to ``y``).
- Add ability to use custom subclasses of
``jinja2.compiler.CodeGenerator`` and ``jinja2.runtime.Context`` by
adding two new attributes to the environment
(``code_generator_class`` and ``context_class``). :pr:`404`
- Added support for context/environment/evalctx decorator functions on
the finalize callback of the environment.
- Escape query strings for urlencode properly. Previously slashes were
not escaped in that place.
- Add 'base' parameter to 'int' filter.
Version 2.7.3
-------------
Released 2014-06-06
- Security issue: Corrected the security fix for the cache folder.
This fix was provided by RedHat.
Version 2.7.2
-------------
Released 2014-01-10
- Prefix loader was not forwarding the locals properly to inner
loaders. This is now fixed.
- Security issue: Changed the default folder for the filesystem cache
to be user specific and read and write protected on UNIX systems.
See `Debian bug 734747`_ for more information.
.. _Debian bug 734747: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=734747
Version 2.7.1
-------------
Released 2013-08-07
- Fixed a bug with ``call_filter`` not working properly on environment
and context filters.
- Fixed lack of Python 3 support for bytecode caches.
- Reverted support for defining blocks in included templates as this
broke existing templates for users.
- Fixed some warnings with hashing of undefineds and nodes if Python
is run with warnings for Python 3.
- Added support for properly hashing undefined objects.
- Fixed a bug with the title filter not working on already uppercase
strings.
Version 2.7
-----------
Released 2013-05-20, codename Translation
- Choice and prefix loaders now dispatch source and template lookup
separately in order to work in combination with module loaders as
advertised.
- Fixed filesizeformat.
- Added a non-silent option for babel extraction.
- Added ``urlencode`` filter that automatically quotes values for URL
safe usage with utf-8 as only supported encoding. If applications
want to change this encoding they can override the filter.
- Added ``keep-trailing-newline`` configuration to environments and
templates to optionally preserve the final trailing newline.
- Accessing ``last`` on the loop context no longer causes the iterator
to be consumed into a list.
- Python requirement changed: 2.6, 2.7 or >= 3.3 are required now,
supported by same source code, using the "six" compatibility
library.
- Allow ``contextfunction`` and other decorators to be applied to
``__call__``.
- Added support for changing from newline to different signs in the
``wordwrap`` filter.
- Added support for ignoring memcache errors silently.
- Added support for keeping the trailing newline in templates.
- Added finer grained support for stripping whitespace on the left
side of blocks.
- Added ``map``, ``select``, ``reject``, ``selectattr`` and
``rejectattr`` filters.
- Added support for ``loop.depth`` to figure out how deep inside a
recursive loop the code is.
- Disabled py_compile for pypy and python 3.
Version 2.6
-----------
Released 2011-07-24, codename Convolution
- Internal attributes now raise an internal attribute error now
instead of returning an undefined. This fixes problems when passing
undefined objects to Python semantics expecting APIs.
- Traceback support now works properly for PyPy. (Tested with 1.4)
- Implemented operator intercepting for sandboxed environments. This
allows application developers to disable builtin operators for
better security. (For instance limit the mathematical operators to
actual integers instead of longs)
- Groupby filter now supports dotted notation for grouping by
attributes of attributes.
- Scoped blocks now properly treat toplevel assignments and imports.
Previously an import suddenly "disappeared" in a scoped block.
- Automatically detect newer Python interpreter versions before
loading code from bytecode caches to prevent segfaults on invalid
opcodes. The segfault in earlier Jinja versions here was not a
Jinja bug but a limitation in the underlying Python interpreter. If
you notice Jinja segfaulting in earlier versions after an upgrade
of the Python interpreter you don't have to upgrade, it's enough to
flush the bytecode cache. This just no longer makes this necessary,
Jinja will automatically detect these cases now.
- The sum filter can now sum up values by attribute. This is a
backwards incompatible change. The argument to the filter previously
was the optional starting index which defaults to zero. This now
became the second argument to the function because it's rarely used.
- Like sum, sort now also makes it possible to order items by
attribute.
- Like sum and sort, join now also is able to join attributes of
objects as string.
- The internal eval context now has a reference to the environment.
- Added a mapping test to see if an object is a dict or an object with
a similar interface.
Version 2.5.5
-------------
Released 2010-10-18
- Built documentation is no longer part of release.
Version 2.5.4
-------------
Released 2010-10-17
- Fixed extensions not loading properly with overlays.
- Work around a bug in cpython for the debugger that causes segfaults
on 64bit big-endian architectures.
Version 2.5.3
-------------
Released 2010-10-17
- Fixed an operator precedence error introduced in 2.5.2. Statements
like "-foo.bar" had their implicit parentheses applied around the
first part of the expression ("(-foo).bar") instead of the more
correct "-(foo.bar)".
Version 2.5.2
-------------
Released 2010-08-18
- Improved setup.py script to better work with assumptions people
might still have from it (``--with-speedups``).
- Fixed a packaging error that excluded the new debug support.
Version 2.5.1
-------------
Released 2010-08-17
- StopIteration exceptions raised by functions called from templates
are now intercepted and converted to undefineds. This solves a lot
of debugging grief. (StopIteration is used internally to abort
template execution)
- Improved performance of macro calls slightly.
- Babel extraction can now properly extract newstyle gettext calls.
- Using the variable ``num`` in newstyle gettext for something else
than the pluralize count will no longer raise a :exc:`KeyError`.
- Removed builtin markup class and switched to markupsafe. For
backwards compatibility the pure Python implementation still exists
but is pulled from markupsafe by the Jinja developers. The debug
support went into a separate feature called "debugsupport" and is
disabled by default because it is only relevant for Python 2.4
- Fixed an issue with unary operators having the wrong precedence.
Version 2.5
-----------
Released 2010-05-29, codename Incoherence
- Improved the sort filter (should have worked like this for a long
time) by adding support for case insensitive searches.
- Fixed a bug for getattribute constant folding.
- Support for newstyle gettext translations which result in a nicer
in-template user interface and more consistent catalogs.
- It's now possible to register extensions after an environment was
created.
Version 2.4.1
-------------
Released 2010-04-20
- Fixed an error reporting bug for undefined.
Version 2.4
-----------
Released 2010-04-13, codename Correlation
- The environment template loading functions now transparently pass
through a template object if it was passed to it. This makes it
possible to import or extend from a template object that was passed
to the template.
- Added a ``ModuleLoader`` that can load templates from
precompiled sources. The environment now features a method to
compile the templates from a configured loader into a zip file or
folder.
- The _speedups C extension now supports Python 3.
- Added support for autoescaping toggling sections and support for
evaluation contexts.
- Extensions have a priority now.
Version 2.3.1
-------------
Released 2010-02-19
- Fixed an error reporting bug on all python versions
- Fixed an error reporting bug on Python 2.4
Version 2.3
-----------
Released 2010-02-10, codename 3000 Pythons
- Fixes issue with code generator that causes unbound variables to be
generated if set was used in if-blocks and other small identifier
problems.
- Include tags are now able to select between multiple templates and
take the first that exists, if a list of templates is given.
- Fixed a problem with having call blocks in outer scopes that have an
argument that is also used as local variable in an inner frame
:issue:`360`.
- Greatly improved error message reporting :pr:`339`
- Implicit tuple expressions can no longer be totally empty. This
change makes ``{% if %}`` a syntax error now. :issue:`364`
- Added support for translator comments if extracted via babel.
- Added with-statement extension.
- Experimental Python 3 support.
Version 2.2.1
-------------
Released 2009-09-14
- Fixes some smaller problems for Jinja on Jython.
Version 2.2
-----------
Released 2009-09-13, codename Kong
- Include statements can now be marked with ``ignore missing`` to skip
non existing templates.
- Priority of ``not`` raised. It's now possible to write ``not foo in
bar`` as an alias to ``foo not in bar`` like in python. Previously
the grammar required parentheses (``not (foo in bar)``) which was
odd.
- Fixed a bug that caused syntax errors when defining macros or using
the ``{% call %}`` tag inside loops.
- Fixed a bug in the parser that made ``{{ foo[1, 2] }}`` impossible.
- Made it possible to refer to names from outer scopes in included
templates that were unused in the callers frame :issue:`327`
- Fixed a bug that caused internal errors if names where used as
iteration variable and regular variable *after* the loop if that
variable was unused *before* the loop. :pr:`331`
- Added support for optional ``scoped`` modifier to blocks.
- Added support for line-comments.
- Added the ``meta`` module.
- Renamed (undocumented) attribute "overlay" to "overlayed" on the
environment because it was clashing with a method of the same name.
- Speedup extension is now disabled by default.
Version 2.1.1
-------------
Released 2008-12-25
- Fixed a translation error caused by looping over empty recursive
loops.
Version 2.1
-----------
Released 2008-11-23, codename Yasuzō
- Fixed a bug with nested loops and the special loop variable. Before
the change an inner loop overwrote the loop variable from the outer
one after iteration.
- Fixed a bug with the i18n extension that caused the explicit
pluralization block to look up the wrong variable.
- Fixed a limitation in the lexer that made ``{{ foo.0.0 }}``
impossible.
- Index based subscribing of variables with a constant value returns
an undefined object now instead of raising an index error. This was
a bug caused by eager optimizing.
- The i18n extension looks up ``foo.ugettext`` now followed by
``foo.gettext`` if an translations object is installed. This makes
dealing with custom translations classes easier.
- Fixed a confusing behavior with conditional extending. loops were
partially executed under some conditions even though they were not
part of a visible area.
- Added ``sort`` filter that works like ``dictsort`` but for arbitrary
sequences.
- Fixed a bug with empty statements in macros.
- Implemented a bytecode cache system.
- The template context is now weakref-able
- Inclusions and imports "with context" forward all variables now, not
only the initial context.
- Added a cycle helper called ``cycler``.
- Added a joining helper called ``joiner``.
- Added a ``compile_expression`` method to the environment that allows
compiling of Jinja expressions into callable Python objects.
- Fixed an escaping bug in urlize
Version 2.0
-----------
Released 2008-07-17, codename Jinjavitus
- The subscribing of objects (looking up attributes and items) changed
from slightly. It's now possible to give attributes or items a
higher priority by either using dot-notation lookup or the bracket
syntax. This also changed the AST slightly. ``Subscript`` is gone
and was replaced with ``Getitem`` and ``Getattr``.
- Added support for preprocessing and token stream filtering for
extensions. This would allow extensions to allow simplified gettext
calls in template data and something similar.
- Added ``TemplateStream.dump``.
- Added missing support for implicit string literal concatenation.
``{{ "foo" "bar" }}`` is equivalent to ``{{ "foobar" }}``
- ``else`` is optional for conditional expressions. If not given it
evaluates to ``false``.
- Improved error reporting for undefined values by providing a
position.
- ``filesizeformat`` filter uses decimal prefixes now per default and
can be set to binary mode with the second parameter.
- Fixed bug in finalizer
Version 2.0rc1
--------------
Released 2008-06-09
- First release of Jinja 2.
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