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# coding: utf-8
"""
Exposes a class that represents a parsed (or compiled) template.
This module is meant only for internal use.
"""
class ParsedTemplate(object):
def __init__(self, parse_tree):
"""
Arguments:
parse_tree: a list, each element of which is either--
(1) a unicode string, or
(2) a "rendering" callable that accepts a Context instance
and returns a unicode string.
The possible rendering callables are the return values of the
following functions:
* RenderEngine._make_get_escaped()
* RenderEngine._make_get_inverse()
* RenderEngine._make_get_literal()
* RenderEngine._make_get_partial()
* RenderEngine._make_get_section()
"""
self._parse_tree = parse_tree
def render(self, context):
"""
Returns: a string of type unicode.
"""
get_unicode = lambda val: val(context) if callable(val) else val
parts = map(get_unicode, self._parse_tree)
s = ''.join(parts)
return unicode(s)
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