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Rough in Genshi support

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This commit is contained in:
Sam Ruby 2007-04-14 16:36:56 -04:00
parent 3e1c9bcb3e
commit c71fa3823f
7 changed files with 171 additions and 2 deletions
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30
filters/addsearch.genshi Normal file
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@ -0,0 +1,30 @@
<html xmlns:py="http://genshi.edgewall.org/" py:strip="">
<!--! insert search form -->
<div py:match="div[@id='sidebar']" py:attrs="select('@*')">
${select('*')}
<h2>Search</h2>
<form><input name="q"/></form>
</div>
<?python from urlparse import urljoin ?>
<!--! insert opensearch autodiscovery link -->
<head py:match="head" py:attrs="select('@*')">
${select('*')}
<link rel="search" type="application/opensearchdescription+xml"
href="${urljoin(str(select('link[@rel=\'alternate\']/@href')),
'opensearchdescription.xml')}"
title="${select('link[@rel=\'alternate\']/@title')} search"/>
</head>
<!--! ensure that scripts don't use empty tag syntax -->
<script py:match="script" py:attrs="select('@*')">
${select('*')}
</script>
<!--! Include the original stream, which will be processed by the rules
defined above -->
${input}
</html>

63
filters/addsearch.xslt Normal file
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@ -0,0 +1,63 @@
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
xmlns:xhtml="http://www.w3.org/1999/xhtml"
xmlns="http://www.w3.org/1999/xhtml"
exclude-result-prefixes="xhtml">
<!-- insert search form -->
<xsl:template match="xhtml:div[@id='sidebar']">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
<xhtml:h2>Search</xhtml:h2>
<xhtml:form><xhtml:input name="q"/></xhtml:form>
</xsl:copy>
</xsl:template>
<!-- function to return baseuri of a given string -->
<xsl:template name="baseuri">
<xsl:param name="string" />
<xsl:if test="contains($string, '/')">
<xsl:value-of select="substring-before($string, '/')"/>
<xsl:text>/</xsl:text>
<xsl:call-template name="baseuri">
<xsl:with-param name="string">
<xsl:value-of select="substring-after($string, '/')"/>
</xsl:with-param>
</xsl:call-template>
</xsl:if>
</xsl:template>
<!-- insert opensearch autodiscovery link -->
<xsl:template match="xhtml:head">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
<xhtml:link rel="search" type="application/opensearchdescription+xml" title="{xhtml:link[@rel='alternate']/@title} search">
<xsl:attribute name="href">
<xsl:call-template name="baseuri">
<xsl:with-param name="string">
<xsl:value-of select="xhtml:link[@rel='alternate']/@href"/>
</xsl:with-param>
</xsl:call-template>
<xsl:text>opensearchdescription.xml</xsl:text>
</xsl:attribute>
</xhtml:link>
</xsl:copy>
</xsl:template>
<!-- ensure that scripts don't use empty tag syntax -->
<xsl:template match="xhtml:script">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
<xsl:if test="not(node())">
<xsl:comment><!--HTML Compatibility--></xsl:comment>
</xsl:if>
</xsl:copy>
</xsl:template>
<!-- pass through everything else -->
<xsl:template match="@*|node()">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>

7
planet/shell/__init__.py
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@ -30,7 +30,7 @@ def run(template_file, doc, mode='template'):
if not mode in logged_modes:
log.info("%s search path:", mode)
for template_dir in dirs:
log.error(" %s", os.path.realpath(template_dir))
log.info(" %s", os.path.realpath(template_dir))
logged_modes.append(mode)
return
template_resolved = os.path.realpath(template_resolved)
@ -44,7 +44,10 @@ def run(template_file, doc, mode='template'):
base,ext = os.path.splitext(os.path.basename(template_resolved))
module_name = ext[1:]
try:
module = __import__(module_name)
try:
module = __import__("_" + module_name)
except:
module = __import__(module_name)
except Exception, inst:
return log.error("Skipping %s '%s' after failing to load '%s': %s",
mode, template_resolved, module_name, inst)

23
planet/shell/_genshi.py Normal file
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@ -0,0 +1,23 @@
from StringIO import StringIO
from genshi.input import XMLParser
from genshi.template import Context, MarkupTemplate
def run(script, doc, output_file=None, options={}):
""" process an Genshi template """
context = Context(**options)
tmpl_fileobj = open(script)
tmpl = MarkupTemplate(tmpl_fileobj, script)
tmpl_fileobj.close()
context.push({'input':XMLParser(StringIO(doc))})
output=tmpl.generate(context).render('xml')
if output_file:
out_file = open(output_file,'w')
out_file.write(output)
out_file.close()
else:
return output

18
tests/data/filter/index.html Normal file
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@ -0,0 +1,18 @@
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head><link rel="stylesheet" href="default.css" type="text/css"/><title>Planet Intertwingly</title><meta name="robots" content="noindex,nofollow"/><meta name="generator" content="Venus"/><link rel="alternate" href="http://planet.intertwingly.net/atom.xml" title="Planet Intertwingly" type="application/atom+xml"/><link rel="shortcut icon" href="/favicon.ico"/><script type="text/javascript" src="personalize.js"/></head>
<body>
<h1>Planet Intertwingly</h1>
<div id="body">
<h2 class="date">April 14, 2007</h2>
</div><h1>Footnotes</h1>
<div id="sidebar"><h2>Info</h2><dl><dt>Last updated:</dt><dd><span class="date" title="GMT">April 14, 2007 02:01 PM</span></dd><dt>Powered by:</dt><dd><a href="http://intertwingly.net/code/venus/"><img src="images/venus.png" width="80" height="15" alt="Venus" border="0"/></a></dd><dt>Export:</dt><dd><ul><li><a href="opml.xml"><img src="images/opml.png" alt="OPML"/></a></li><li><a href="foafroll.xml"><img src="images/foaf.png" alt="FOAF"/></a></li></ul></dd></dl></div>
</body></html>

22
tests/test_filter_genshi.py Normal file
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@ -0,0 +1,22 @@
#!/usr/bin/env python
import unittest, xml.dom.minidom
from planet import shell, config, logger
class GenshiFilterTests(unittest.TestCase):
def test_addsearch_filter(self):
testfile = 'tests/data/filter/index.html'
filter = 'addsearch.genshi'
output = shell.run(filter, open(testfile).read(), mode="filter")
self.assertTrue(output.find('<h2>Search</h2>')>=0)
self.assertTrue(output.find('<form><input name="q"/></form>')>=0)
self.assertTrue(output.find(' href="http://planet.intertwingly.net/opensearchdescription.xml"')>=0)
self.assertTrue(output.find('</script>')>=0)
try:
import genshi
except:
logger.warn("genshi is not available => can't test genshi filters")
for method in dir(GenshiFilterTests):
if method.startswith('test_'): delattr(GenshiFilterTests,method)

10
tests/test_filter_xslt.py
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@ -15,6 +15,15 @@ class XsltFilterTests(unittest.TestCase):
catterm = dom.getElementsByTagName('category')[0].getAttribute('term')
self.assertEqual('OnE', catterm)
def test_addsearch_filter(self):
testfile = 'tests/data/filter/index.html'
filter = 'addsearch.xslt'
output = shell.run(filter, open(testfile).read(), mode="filter")
self.assertTrue(output.find('<h2>Search</h2>')>=0)
self.assertTrue(output.find('<form><input name="q"/></form>')>=0)
self.assertTrue(output.find(' href="http://planet.intertwingly.net/opensearchdescription.xml"')>=0)
self.assertTrue(output.find('</script>')>=0)
try:
import libxslt
except:
@ -26,3 +35,4 @@ except:
except:
logger.warn("libxslt is not available => can't test xslt filters")
del XsltFilterTests.test_xslt_filter
del XsltFilterTests.test_addsearch_filter