Package genshi :: Package filters :: Module transform :: Class InjectorTransformation

Class InjectorTransformation

object --+
         |
        InjectorTransformation

Known Subclasses:

AfterTransformation
, AppendTransformation
, BeforeTransformation
, PrependTransformation
, ReplaceTransformation

Abstract base class for transformations that inject content into a stream.

>>> class Top(InjectorTransformation):
...     def __call__(self, stream):
...         for event in self._inject():
...             yield event
...         for event in stream:
...             yield event
>>> html = HTML('<body>Some <em>test</em> text</body>')
>>> print(html | Transformer('.//em').apply(Top('Prefix ')))
Prefix <body>Some <em>test</em> text</body>

Instance Methods

__init__(self, content)
Create a new injector.

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Properties
Inherited from `object`: `__class__`

Method Details

init(self, content)
(Constructor)

Create a new injector.

Parameters:

content - An iterable of Genshi stream events, or a string to be injected.

Overrides: object.__init__

Class InjectorTransformation

__init__(self, content) (Constructor)

init(self, content)
(Constructor)