1 """mime type transformation engine for cubicweb, based on mtconverter

     2 

     3 :organization: Logilab

     4 :copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

     5 :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr

     6 """

     7 __docformat__ = "restructuredtext en"

     8 

     9 from logilab import mtconverter

    10 

    11 from logilab.mtconverter.engine import TransformEngine

    12 from logilab.mtconverter.transform import Transform

    13 from cubicweb.common.uilib import rest_publish, html_publish, remove_html_tags

    14 

    15 HTML_MIMETYPES = ('text/html', 'text/xhtml', 'application/xhtml+xml')

    16 # CubicWeb specific transformations

    17 

    18 class rest_to_html(Transform):

    19     inputs = ('text/rest', 'text/x-rst')

    20     output = 'text/html'

    21     def _convert(self, trdata):

    22         return rest_publish(trdata.appobject, trdata.decode())

    23 

    24 class html_to_html(Transform):

    25     inputs = HTML_MIMETYPES

    26     output = 'text/html'

    27     def _convert(self, trdata):

    28         return html_publish(trdata.appobject, trdata.data)

    29 

    30 

    31 # Instantiate and configure the transformation engine

    32 

    33 mtconverter.UNICODE_POLICY = 'replace'

    34 

    35 ENGINE = TransformEngine()

    36 ENGINE.add_transform(rest_to_html())

    37 ENGINE.add_transform(html_to_html())

    38 

    39 HAS_PIL_TRANSFORMS = False

    40 HAS_PYGMENTS_TRANSFORMS = False

    41     

    42 class html_to_text(Transform):

    43     inputs = HTML_MIMETYPES

    44     output = 'text/plain'

    45     def _convert(self, trdata):

    46         return remove_html_tags(trdata.data)

    47 ENGINE.add_transform(html_to_text())