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Jinja2 Changelog
================
Version 2.4
-----------
(codename to be selected, release date to be decided)
- 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.
Version 2.3
-----------
(3000 Pythons, released on February 10th 2010)
- 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 (#360).
- greatly improved error message reporting (#339)
- implicit tuple expressions can no longer be totally empty.
This change makes ``{% if %}...{% endif %}`` a syntax error
now. (#364)
- added support for translator comments if extracted via babel.
- added with-statement extension.
- experimental Python 3 support.
Version 2.2.1
-------------
(bugfix release, released on September 14th 2009)
- fixes some smaller problems for Jinja2 on Jython.
Version 2.2
-----------
(codename Kong, released on September 13th 2009)
- 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 (#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. (#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
-------------
(Bugfix release)
- Fixed a translation error caused by looping over empty recursive loops.
Version 2.1
-----------
(codename Yasuzō, released on November 23rd 2008)
- 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. (:ref:`bytecode-cache`)
- 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
-----------
(codename jinjavitus, released on July 17th 2008)
- 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
:class:`~jinja2.nodes.Getitem` and :class:`~jinja2.nodes.Getattr`.
For more information see :ref:`the implementation details <notes-on-subscriptions>`.
- 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 :meth:`jinja2.environment.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
--------------
(no codename, released on June 9th 2008)
- first release of Jinja2
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