/usr/lib64/python2.6/site-packages/jinja2
Edit: /usr/lib64/python2.6/site-packages/jinja2/ext.pyc (17681B)
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jinja2.ext
~~~~~~~~~~
Jinja extensions allow to add custom tags similar to the way django custom
tags work. By default two example extensions exist: an i18n and a cache
extension.
:copyright: (c) 2009 by the Jinja Team.
:license: BSD.
iÿÿÿÿ( t deque( t nodes( t *( t get_spontaneous_environment( t Undefinedt concat( t TemplateAssertionErrort TemplateSyntaxError( t contextfunctiont
import_stringt Markupt nextt _t gettextt ngettextt ExtensionRegistryc B s e Z d Z d „ Z RS( s) Gives the extension an unique identifier.c C s3 t i | | | | ƒ } | i d | i | _ | S( Nt .( t typet __new__t
__module__t __name__t
identifier( t clst namet basest dt rv( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyR s ( R R t __doc__R ( ( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyR s t Extensionc B sq e Z d Z e Z e ƒ Z d „ Z d „ Z d d „ Z
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d d d d d d „ Z RS( sg Extensions can be used to add extra functionality to the Jinja template
system at the parser level. Custom extensions are bound to an environment
but may not store environment specific data on `self`. The reason for
this is that an extension can be bound to another environment (for
overlays) by creating a copy and reassigning the `environment` attribute.
As extensions are created by the environment they cannot accept any
arguments for configuration. One may want to work around that by using
a factory function, but that is not possible as extensions are identified
by their import name. The correct way to configure the extension is
storing the configuration values on the environment. Because this way the
environment ends up acting as central configuration storage the
attributes may clash which is why extensions have to ensure that the names
they choose for configuration are not too generic. ``prefix`` for example
is a terrible name, ``fragment_cache_prefix`` on the other hand is a good
name as includes the name of the extension (fragment cache).
c C s
| | _ d S( N( t environment( t selfR ( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyt __init__< s c C s2 t i | i ƒ } | i i | i ƒ | | _ | S( s= Create a copy of this extension bound to another environment.( t objectR t __class__t __dict__t updateR ( R R R ( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyt bind? s c C s | S( sÁ This method is called before the actual lexing and can be used to
preprocess the source. The `filename` is optional. The return value
must be the preprocessed source.
( ( R t sourceR t filename( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyt
preprocessF s c C s | S( s¹ It's passed a :class:`~jinja2.lexer.TokenStream` that can be used
to filter tokens returned. This method has to return an iterable of
:class:`~jinja2.lexer.Token`\s, but it doesn't have to return a
:class:`~jinja2.lexer.TokenStream`.
In the `ext` folder of the Jinja2 source distribution there is a file
called `inlinegettext.py` which implements a filter that utilizes this
method.
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filter_streamM s
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t ƒ ‚ d S( s If any of the :attr:`tags` matched this method is called with the
parser as first argument. The token the parser stream is pointing at
is the name token that matched. This method has to return one or a
list of multiple nodes.
N( t NotImplementedError( R t parser( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyt parseY s c C s t i | i | d | ƒS( sÈ Return an attribute node for the current extension. This is useful
to pass constants on extensions to generated template code::
self.attr('_my_attribute', lineno=lineno)
t lineno( R t ExtensionAttributeR ( R R R- ( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyt attra s c C s\ | d j o
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g } n t i | i | d | ƒ| | | | d | ƒS( ss Call a method of the extension. This is a shortcut for
:meth:`attr` + :class:`jinja2.nodes.Call`.
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s. This extension adds gettext support to Jinja2.t transc C sO t i | | ƒ t | i d <| i d | i d | i d | i d | i ƒ d S( NR t install_gettext_translationst install_null_translationst uninstall_gettext_translationst extract_translations( R R R= t globalst extendt _installt
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Y t ExprStmtExtensionc B s& e Z d Z e d g ƒ Z d „ Z RS( ss Adds a `do` tag to Jinja2 that works like the print statement just
that it doesn't print the return value.
t doc C s1 t i d t | i ƒ i ƒ } | i ƒ | _ | S( NR- ( R t ExprStmtR R( R- t parse_tupleR} ( R R+ R} ( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyR, B s ( R R R R8 R9 R, ( ( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyRŒ < s t LoopControlExtensionc B s) e Z d Z e d d g ƒ Z d „ Z RS( s/ Adds break and continue to the template engine.t breakt continuec C sF t | i ƒ } | i d j o t i d | i ƒ St i d | i ƒ S( NR‘ R- ( R R( Rc R t BreakR- t Continue( R R+ t token( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyR, L s ( R R R R8 R9 R, ( ( ( s0 /usr/lib64/python2.6/site-packages/jinja2/ext.pyR H s c c s‰ x‚| i t i ƒ D]n} t | i t i ƒ p | i i | j o q n g } xX | i D]M } t | t i ƒ o' t | i t
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D] } | i d ƒ qµ W| i d j o | i d ƒ n | i d j o | i d ƒ n | p( t d „ | Dƒ ƒ } | p q qjn. t | ƒ d j o | d } n
t | ƒ } | i | i i | f Vq Wd S( s Extract localizable strings from the given template node. Per
default this function returns matches in babel style that means non string
parameters as well as keyword arguments are returned as `None`. This
allows Babel to figure out what you really meant if you are using
gettext functions that allow keyword arguments for placeholder expansion.
If you don't want that behavior set the `babel_style` parameter to `False`
which causes only strings to be returned and parameters are always stored
in tuples. As a consequence invalid gettext calls (calls without a single
string parameter or string parameters after non-string parameters) are
skipped.
This example explains the behavior:
>>> from jinja2 import Environment
>>> env = Environment()
>>> node = env.parse('{{ (_("foo"), _(), ngettext("foo", "bar", 42)) }}')
>>> list(extract_from_ast(node))
[(1, '_', 'foo'), (1, '_', ()), (1, 'ngettext', ('foo', 'bar', None))]
>>> list(extract_from_ast(node, babel_style=False))
[(1, '_', ('foo',)), (1, 'ngettext', ('foo', 'bar'))]
For every string found this function yields a ``(lineno, function,
message)`` tuple, where:
* ``lineno`` is the number of the line on which the string was found,
* ``function`` is the name of the ``gettext`` function used (if the
string was extracted from embedded Python code), and
* ``message`` is the string itself (a ``unicode`` object, or a tuple
of ``unicode`` objects for functions with multiple string arguments).
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| | g f Vq¥Wd S( sI Babel extraction method for Jinja templates.
:param fileobj: the file-like object the messages should be extracted from
:param keywords: a list of keywords (i.e. function names) that should be
recognized as translation functions
:param comment_tags: a list of translator tags to search for and include
in the results. (Unused)
:param options: a dictionary of additional options (optional)
:return: an iterator over ``(lineno, funcname, message, comments)`` tuples.
(comments will be empty currently)
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