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    jinja2.loaders
    ~~~~~~~~~~~~~~

    Jinja loader classes.

    :copyright: (c) 2010 by the Jinja Team.
    :license: BSD, see LICENSE for more details.
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ModuleType(tpath(tsha1(tTemplateNotFound(topen_if_existstinternalcode(tstring_typest	iteritemscCs�g}x~|jd�D]m}tj|ksRtjrCtj|ksR|tjkrat|��q|r|dkr|j|�qqW|S(s�Split a path into segments and perform a sanity check.  If it detects
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BaseLoadercBs8eZdZeZd�Zd�Zedd��Z	RS(s�Baseclass for all loaders.  Subclass this and override `get_source` to
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    `get_template` method that calls the loader's `load` method to get the
    :class:`Template` object.

    A very basic example for a loader that looks up templates on the file
    system could look like this::

        from jinja2 import BaseLoader, TemplateNotFound
        from os.path import join, exists, getmtime

        class MyLoader(BaseLoader):

            def __init__(self, path):
                self.path = path

            def get_source(self, environment, template):
                path = join(self.path, template)
                if not exists(path):
                    raise TemplateNotFound(template)
                mtime = getmtime(path)
                with file(path) as f:
                    source = f.read().decode('utf-8')
                return source, path, lambda: mtime == getmtime(path)
    cCs2|js"td|jj��nt|��dS(s�Get the template source, filename and reload helper for a template.
        It's passed the environment and template name and has to return a
        tuple in the form ``(source, filename, uptodate)`` or raise a
        `TemplateNotFound` error if it can't locate the template.

        The source part of the returned tuple must be the source of the
        template as unicode string or a ASCII bytestring.  The filename should
        be the name of the file on the filesystem if it was loaded from there,
        otherwise `None`.  The filename is used by python for the tracebacks
        if no loader extension is used.

        The last item in the tuple is the `uptodate` function.  If auto
        reloading is enabled it's always called to check if the template
        changed.  No arguments are passed so the function must store the
        old state somewhere (for example in a closure).  If it returns `False`
        the template will be reloaded.
        s&%s cannot provide access to the sourceN(thas_source_accesstRuntimeErrort	__class__t__name__R(tselftenvironmentR((s2/usr/lib/python2.7/site-packages/jinja2/loaders.pyt
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        s-this loader cannot iterate over all templatesN(t	TypeError(R((s2/usr/lib/python2.7/site-packages/jinja2/loaders.pytlist_templates]sc
Cs�d}|dkri}n|j||�\}}}|j}|dk	ro|j||||�}	|	j}n|dkr�|j|||�}n|dk	r�|	jdkr�||	_|j|	�n|jj||||�S(scLoads a template.  This method looks up the template in the cache
        or loads one by calling :meth:`get_source`.  Subclasses should not
        override this method as loaders working on collections of other
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        will not call this method but `get_source` directly.
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    in folders on the file system and is the preferred way to load them.

    The loader takes the path to the templates as string, or if multiple
    locations are wanted a list of them which is then looked up in the
    given order:

    >>> loader = FileSystemLoader('/path/to/templates')
    >>> loader = FileSystemLoader(['/path/to/templates', '/other/path'])

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PackageLoadercBs/eZdZddd�Zd�Zd�ZRS(s,Load templates from python eggs or packages.  It is constructed with
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        loader = PackageLoader('mypackage', 'views')

    If the package path is not given, ``'templates'`` is assumed.

    Per default the template encoding is ``'utf-8'`` which can be changed
    by setting the `encoding` parameter to something else.  Due to the nature
    of eggs it's only possible to reload templates if the package was loaded
    from the file system and not a zip file.
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	t
DictLoadercBs)eZdZd�Zd�Zd�ZRS(sLoads a template from a python dict.  It's passed a dict of unicode
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    >>> loader = DictLoader({'index.html': 'source here'})

    Because auto reloading is rarely useful this is disabled per default.
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    >>> def load_template(name):
    ...     if name == 'index.html':
    ...         return '...'
    ...
    >>> loader = FunctionLoader(load_template)

    The `uptodatefunc` is a function that is called if autoreload is enabled
    and has to return `True` if the template is still up to date.  For more
    details have a look at :meth:`BaseLoader.get_source` which has the same
    return value.
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(RR-R.R5R(((s2/usr/lib/python2.7/site-packages/jinja2/loaders.pyRis	tPrefixLoadercBsGeZdZdd�Zd�Zd�Zedd��Zd�Z	RS(sA loader that is passed a dict of loaders where each loader is bound
    to a prefix.  The prefix is delimited from the template by a slash per
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    something else::

        loader = PrefixLoader({
            'app1':     PackageLoader('mypackage.app1'),
            'app2':     PackageLoader('mypackage.app2')
        })

    By loading ``'app1/index.html'`` the file from the app1 package is loaded,
    by loading ``'app2/index.html'`` the file from the second.
    RcCs||_||_dS(N(Rft	delimiter(RRfRm((s2/usr/lib/python2.7/site-packages/jinja2/loaders.pyR5Gs	cCs\y,|j|jd�\}}|j|}Wn#ttfk
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				tChoiceLoadercBs;eZdZd�Zd�Zedd��Zd�ZRS(s�This loader works like the `PrefixLoader` just that no prefix is
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    >>> loader = ChoiceLoader([
    ...     FileSystemLoader('/path/to/user/templates'),
    ...     FileSystemLoader('/path/to/system/templates')
    ... ])

    This is useful if you want to allow users to override builtin templates
    from a different location.
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    ... ])

    Templates can be precompiled with :meth:`Environment.compile_templates`.
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