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| author | Paul Everitt <paul@agendaless.com> | 2008-07-24 17:14:16 +0000 |
|---|---|---|
| committer | Paul Everitt <paul@agendaless.com> | 2008-07-24 17:14:16 +0000 |
| commit | 1a7b14de4bc89ef0fd162ef8e62d01926e42b54e (patch) | |
| tree | 8d9ccc8187ac29eb80ac310c6f82c17d548cdf54 /docs/tutorials/lxmlgraph/step04 | |
| parent | c1a6ef6f751a16b7a352bc3fdad13d4b5b73f212 (diff) | |
| download | pyramid-1a7b14de4bc89ef0fd162ef8e62d01926e42b54e.tar.gz pyramid-1a7b14de4bc89ef0fd162ef8e62d01926e42b54e.tar.bz2 pyramid-1a7b14de4bc89ef0fd162ef8e62d01926e42b54e.zip | |
Add tutorial sections
Diffstat (limited to 'docs/tutorials/lxmlgraph/step04')
| -rw-r--r-- | docs/tutorials/lxmlgraph/step04/myapp/__init__.py | 1 | ||||
| -rw-r--r-- | docs/tutorials/lxmlgraph/step04/myapp/configure.zcml | 11 | ||||
| -rw-r--r-- | docs/tutorials/lxmlgraph/step04/myapp/models.py | 41 | ||||
| -rw-r--r-- | docs/tutorials/lxmlgraph/step04/myapp/samplemodel.xml | 44 | ||||
| -rw-r--r-- | docs/tutorials/lxmlgraph/step04/myapp/views.py | 13 | ||||
| -rw-r--r-- | docs/tutorials/lxmlgraph/step04/myapp/xsltview.xsl | 69 | ||||
| -rw-r--r-- | docs/tutorials/lxmlgraph/step04/run.py | 8 |
7 files changed, 187 insertions, 0 deletions
diff --git a/docs/tutorials/lxmlgraph/step04/myapp/__init__.py b/docs/tutorials/lxmlgraph/step04/myapp/__init__.py new file mode 100644 index 000000000..792d60054 --- /dev/null +++ b/docs/tutorials/lxmlgraph/step04/myapp/__init__.py @@ -0,0 +1 @@ +# diff --git a/docs/tutorials/lxmlgraph/step04/myapp/configure.zcml b/docs/tutorials/lxmlgraph/step04/myapp/configure.zcml new file mode 100644 index 000000000..1ba4c9155 --- /dev/null +++ b/docs/tutorials/lxmlgraph/step04/myapp/configure.zcml @@ -0,0 +1,11 @@ +<configure xmlns="http://namespaces.zope.org/zope" + xmlns:bfg="http://namespaces.repoze.org/bfg"> + + <include package="repoze.bfg" /> + + <bfg:view + for=".models.IMyModel" + view=".views.xslt_view" + /> + +</configure> diff --git a/docs/tutorials/lxmlgraph/step04/myapp/models.py b/docs/tutorials/lxmlgraph/step04/myapp/models.py new file mode 100644 index 000000000..3c03de1a9 --- /dev/null +++ b/docs/tutorials/lxmlgraph/step04/myapp/models.py @@ -0,0 +1,41 @@ +from zope.interface import implements +from zope.interface import Attribute +from zope.interface import Interface +from lxml import etree + +class IMyModel(Interface): + __name__ = Attribute('Name of the model instance') + +class BfgElement(etree.ElementBase): + """Handle access control and getitem behavior""" + + implements(IMyModel) + + @property + def __name__(self): + return self.xpath("@name")[0] + + def __getitem__(self, child_name): + xp = "*[@name='%s']" % child_name + matches = self.xpath(xp) + if len(matches) == 0: + raise KeyError('No child found for %s' % child_name) + elif len(matches) > 1: + raise KeyError('More than one child for %s' % child_name) + else: + return matches[0] + +def get_root(environ): + # Setup the custom parser with our BfgElement behavior + parser_lookup = etree.ElementDefaultClassLookup(element=BfgElement) + parser = etree.XMLParser() + parser.set_element_class_lookup(parser_lookup) + + # Now load the XML file + xmlstring = open("myapp/samplemodel.xml").read() + root = etree.XML(xmlstring, parser) + + return root + + + diff --git a/docs/tutorials/lxmlgraph/step04/myapp/samplemodel.xml b/docs/tutorials/lxmlgraph/step04/myapp/samplemodel.xml new file mode 100644 index 000000000..36ab335d2 --- /dev/null +++ b/docs/tutorials/lxmlgraph/step04/myapp/samplemodel.xml @@ -0,0 +1,44 @@ +<?xml version="1.0" encoding="UTF-8"?> +<site> + <title>My XMLGRAPH Website</title> + <document xml:id="index" name="index.html"> + <title>Site Home Page</title> + <body> + <div xmlns="http://www.w3.org/1999/xhtml"> + <p>Welcome to the site. We have lots to say.</p> + <p>Or, <em>maybe</em> not.</p> + </div> + </body> + </document> + <folder xml:id="n1" name="folder1"> + <title>Folder One</title> + <document xml:id="n11" name="doc1"> + <title>doc1 in folder1</title> + <body> + <div xmlns="http://www.w3.org/1999/xhtml"> + <p>I am in an HTML <code>div</code> so I can do <strong>LOTS</strong> of + formatting.</p> + </div> + </body> + </document> + <document xml:id="n12" name="doc2"> + <title>doc2 in folder1</title> + <body> + <div xmlns="http://www.w3.org/1999/xhtml"> + <p>Keep this on one line.</p> + </div> + </body> + </document> + </folder> + <folder xml:id="n2" name="folder2"> + <title>The Second Folder</title> + <document xml:id="n21" name="doc1"> + <title>doc1 in folder2</title> + <body> + <div xmlns="http://www.w3.org/1999/xhtml"> + <p>This is a special folder. It's folder 2!</p> + </div> + </body> + </document> + </folder> +</site> diff --git a/docs/tutorials/lxmlgraph/step04/myapp/views.py b/docs/tutorials/lxmlgraph/step04/myapp/views.py new file mode 100644 index 000000000..fd8650e14 --- /dev/null +++ b/docs/tutorials/lxmlgraph/step04/myapp/views.py @@ -0,0 +1,13 @@ +from repoze.bfg.template import render_transform_to_response + +# Some constants +XML_NAMESPACE='http://www.w3.org/XML/1998/namespace' +XML_PREFIX= '{%s}' % XML_NAMESPACE + +def xslt_view(context, request): + # Grab the root of the tree, which should be a <site> + site = context.getroottree().getroot() + # Jot down which node we're sitting on as the <context> + contextid = "'%s'" % context.get(XML_PREFIX+'id') + return render_transform_to_response("xsltview.xsl", site, + contextid=contextid) diff --git a/docs/tutorials/lxmlgraph/step04/myapp/xsltview.xsl b/docs/tutorials/lxmlgraph/step04/myapp/xsltview.xsl new file mode 100644 index 000000000..2406987d0 --- /dev/null +++ b/docs/tutorials/lxmlgraph/step04/myapp/xsltview.xsl @@ -0,0 +1,69 @@ +<?xml version="1.0" encoding="UTF-8"?> +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> + <xsl:param name="contextid">n1</xsl:param> + <xsl:variable name="contextnode" select="id($contextid)"/> + <xsl:template match="/"> + <html> + <head> + <title> + <xsl:value-of select="$contextnode/title"/> + </title> + </head> + <body> + <h2> + <xsl:value-of select="$contextnode/title"/> + </h2> + <xsl:apply-templates select="$contextnode"/> + <table border="1" cellpadding="6" cellspacing="0"> + <tr> + <th>Type</th> + <th>@xml:id</th> + <th>@name</th> + <th>Parent Type</th> + <th>Parent @name</th> + </tr> + <tr> + <td> + <xsl:value-of select="name($contextnode)"/> + </td> + <td> + <xsl:value-of select="$contextnode/@xml:id"/> + </td> + <td> + <xsl:value-of select="$contextnode/@name"/> + </td> + <td> + <xsl:value-of select="name($contextnode/..)"/> + </td> + <td> + <xsl:value-of select="$contextnode/../@name"/> + </td> + </tr> + </table> + </body> + </html> + </xsl:template> + <xsl:template match="folder"> + <p> + <em>Folders are special, they contain things.</em> + </p> + <xsl:if test="*[@xml:id]"> + <h2>Folder Contents</h2> + <ul> + <xsl:for-each select="*[@xml:id]"> + <li> + <a href="{../@name}/{@name}"> + <xsl:value-of select="title"/> + </a> + </li> + </xsl:for-each> + </ul> + </xsl:if> + </xsl:template> + <xsl:template match="document"> + <p> + <em>Documents contain text.</em> + </p> + <xsl:copy-of select="body/*"/> + </xsl:template> +</xsl:stylesheet> diff --git a/docs/tutorials/lxmlgraph/step04/run.py b/docs/tutorials/lxmlgraph/step04/run.py new file mode 100644 index 000000000..1eac209dc --- /dev/null +++ b/docs/tutorials/lxmlgraph/step04/run.py @@ -0,0 +1,8 @@ +from paste import httpserver + +from repoze.bfg import make_app +from myapp.models import get_root +import myapp + +app = make_app(get_root, myapp) +httpserver.serve(app, host='0.0.0.0', port='5432') |