added web sub-package for generic view support and other web- and browser-related stuff
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1520 fd906abe-77d9-0310-91a1-e0d9ade77398
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27
web/README.txt
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27
web/README.txt
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===============================
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All about Views, Templates, ...
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===============================
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$Id$
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Generic Views
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=============
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OK, there aren't really generic views. Already the first implementation we
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want to look at is a specic one: It is based on Zope Page Templates and
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uses the classic CMF/Zope 3 approach: The template belonging to a view
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calls a `main` macro and fills a slot there. But at least the template
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implementation is decoupled from the view, so we are able to put a lot of
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generic functionality into the view.
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But in order to make a ZPT work we need a Zope-compatible request, so we use
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the standard Zope 3 TestRequest.
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>>> from zope.publisher.browser import TestRequest
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>>> from cybertools.web.view import View
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>>> view = View(None, TestRequest())
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>>> view.render()
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u'<html...<body>...</body>...</html>...'
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3
web/__init__.py
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3
web/__init__.py
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"""
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$Id$
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"""
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15
web/content.pt
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15
web/content.pt
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<html x_metal:use-macro="context/@@skin_macros/page"
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i18n:domain="zope">
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<head></head>
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<body>
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<x_metal:body fill-slot="body">
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<div>
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This is the body
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</div>
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</x_metal:body>
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</body>
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</html>
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39
web/template.py
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39
web/template.py
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#
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# Copyright (c) 2006 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Generic template base class (if fact it is the ZPT-based type...).
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$Id$
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"""
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from zope.app.pagetemplate import ViewPageTemplateFile
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class Template(object):
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zpt = ViewPageTemplateFile('content.pt')
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def __init__(self, view):
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self.view = view
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self.context = view.context
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self.request = view.request
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def render(self, *args, **kw):
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return self.zpt(*args, **kw)
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30
web/tests.py
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30
web/tests.py
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#! /usr/bin/python
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"""
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Tests for the 'cybertools.index' package.
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$Id$
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"""
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import unittest, doctest
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from zope.testing.doctestunit import DocFileSuite
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from cybertools.web import view
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class Test(unittest.TestCase):
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"Basic tests for the index package."
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def testBasicStuff(self):
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pass
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def test_suite():
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flags = doctest.NORMALIZE_WHITESPACE | doctest.ELLIPSIS
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return unittest.TestSuite((
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DocFileSuite('README.txt', optionflags=flags),
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unittest.makeSuite(Test),
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))
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if __name__ == '__main__':
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unittest.main(defaultTest='test_suite')
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46
web/view.py
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46
web/view.py
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#
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# Copyright (c) 2006 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Generic view base class.
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$Id$
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"""
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from cybertools.web.template import Template
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class View(object):
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templateFactory = Template
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_template = None
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def __init__(self, context, request):
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self.context = context
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self.request = request
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@property
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def template(self):
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if self._template is None and self.templateFactory:
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self._template = self.templateFactory(self)
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return self._template
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def render(self, *args, **kw):
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return self.template.render(*args, **kw)
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