author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Wed, 07 Apr 2010 09:24:00 +0200 | |
changeset 5173 | 73760bbb66bd |
parent 4252 | 6c4f109c2b03 |
child 5421 | 8167de96c523 |
permissions | -rw-r--r-- |
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"""mime type transformation engine for cubicweb, based on mtconverter |
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:organization: Logilab |
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update copyright: welcome 2010
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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big bunch of copyright / docstring update
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
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""" |
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__docformat__ = "restructuredtext en" |
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from logilab import mtconverter |
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from logilab.mtconverter.engine import TransformEngine |
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from logilab.mtconverter.transform import Transform |
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from logilab.mtconverter import (register_base_transforms, |
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register_pil_transforms, |
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register_pygments_transforms) |
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from cubicweb.utils import UStringIO |
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from cubicweb.uilib import rest_publish, html_publish |
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HTML_MIMETYPES = ('text/html', 'text/xhtml', 'application/xhtml+xml') |
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# CubicWeb specific transformations |
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class rest_to_html(Transform): |
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inputs = ('text/rest', 'text/x-rst') |
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output = 'text/html' |
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def _convert(self, trdata): |
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return rest_publish(trdata.appobject, trdata.decode()) |
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class html_to_html(Transform): |
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inputs = HTML_MIMETYPES |
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output = 'text/html' |
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def _convert(self, trdata): |
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return html_publish(trdata.appobject, trdata.data) |
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# Instantiate and configure the transformation engine |
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mtconverter.UNICODE_POLICY = 'replace' |
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ENGINE = TransformEngine() |
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ENGINE.add_transform(rest_to_html()) |
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ENGINE.add_transform(html_to_html()) |
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try: |
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from cubicweb.ext.tal import CubicWebContext, compile_template |
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except ImportError: |
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HAS_TAL = False |
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from cubicweb import schema |
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schema.NEED_PERM_FORMATS.remove('text/cubicweb-page-template') |
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else: |
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HAS_TAL = True |
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class ept_to_html(Transform): |
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inputs = ('text/cubicweb-page-template',) |
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output = 'text/html' |
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output_encoding = 'utf-8' |
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def _convert(self, trdata): |
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parents:
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context = CubicWebContext() |
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appobject = trdata.appobject |
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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context.update({'self': appobject, 'rset': appobject.cw_rset, |
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[api] use _cw, cw_row, cw_col, cw_rset etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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'req': appobject._cw, |
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[api] use _cw, cw_row, cw_col, cw_rset etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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'_' : appobject._cw._, |
7b49fa7e942d
[api] use _cw, cw_row, cw_col, cw_rset etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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'user': appobject._cw.user}) |
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0313eecc707e
entity has no more tal_render method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2459
diff
changeset
|
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output = UStringIO() |
0313eecc707e
entity has no more tal_render method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2459
diff
changeset
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template = compile_template(trdata.encode(self.output_encoding)) |
0313eecc707e
entity has no more tal_render method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2459
diff
changeset
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template.expand(context, output) |
0313eecc707e
entity has no more tal_render method
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2459
diff
changeset
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return output.getvalue() |
704
0c2c8f0a6ded
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parents:
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diff
changeset
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new ext package for modules depending on an option third party package
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parents:
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diff
changeset
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ENGINE.add_transform(ept_to_html()) |
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if register_pil_transforms(ENGINE, verb=False): |
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HAS_PIL_TRANSFORMS = True |
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else: |
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HAS_PIL_TRANSFORMS = False |
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from logilab.mtconverter.transforms import pygmentstransforms |
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for mt in ('text/plain',) + HTML_MIMETYPES: |
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try: |
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pygmentstransforms.mimetypes.remove(mt) |
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except ValueError: |
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continue |
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register_pygments_transforms(ENGINE, verb=False) |
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def patch_convert(cls): |
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def _convert(self, trdata, origconvert=cls._convert): |
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try: |
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[api] use _cw, cw_row, cw_col, cw_rset etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
2817
diff
changeset
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trdata.appobject._cw.add_css('pygments.css') |
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except AttributeError: # session has no add_css, only http request |
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pass |
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return origconvert(self, trdata) |
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cls._convert = _convert |
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patch_convert(pygmentstransforms.PygmentsHTMLTransform) |
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HAS_PYGMENTS_TRANSFORMS = True |
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except ImportError: |
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HAS_PYGMENTS_TRANSFORMS = False |
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register_base_transforms(ENGINE, verb=False) |