Added a basic version of depends plugin

hyde/ext/plugins/depends.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+"""
+Depends plugin
+
+/// Experimental: Not working yet.
+"""
+
+from hyde.plugin import Plugin
+import re
+
+class DependsPlugin(Plugin):
+    """
+    The plugin class setting explicit dependencies.
+    """
+
+    def __init__(self, site):
+        super(DependsPlugin, self).__init__(site)
+
+    def begin_text_resource(self, resource, text):
+        """
+        If the meta data for the resource contains a depends attribute,
+        this plugin adds an entry to the depends property of the
+        resource.
+
+        The dependency can contain the following template variables:
+        node, resource, site, context.
+
+        The folloing strings are valid:
+        '{node.module}/dependencies/{resource.source.name_without_extension}.inc'
+        '{context.dependency_folder}/{resource.source.name_without_extension}.{site.meta.depext}'
+        """
+        depends = []
+        try:
+            depends = resource.meta.depends
+        except AttributeError:
+            pass
+
+        if not hasattr(resource, 'depends'):
+            resource.depends = []
+        resource.depends = resource.depends or []
+
+        for dep in depends:
+            resource.depends.append(dep.format(node=resource.node,
+                                    resource=resource,
+                                    site=self.site,
+                                    context=self.site.context))
+        return text

hyde/tests/ext/test_depends.py

@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+"""
+Use nose
+`$ pip install nose`
+`$ nosetests`
+"""
+from hyde.fs import File, Folder
+from hyde.generator import Generator
+from hyde.site import Site
+
+from pyquery import PyQuery
+
+from nose.tools import nottest
+
+TEST_SITE = File(__file__).parent.parent.child_folder('_test')
+
+
+class TestDepends(object):
+
+    def setUp(self):
+        TEST_SITE.make()
+        TEST_SITE.parent.child_folder(
+                    'sites/test_jinja').copy_contents_to(TEST_SITE)
+
+    def tearDown(self):
+        TEST_SITE.delete()
+
+    def test_depends(self):
+        s = Site(TEST_SITE)
+        s.config.plugins = ['hyde.ext.plugins.meta.MetaPlugin',
+                            'hyde.ext.plugins.depends.DependsPlugin']
+        text = """
+===
+depends: index.html
+===
+{% set ind = 'index.html' %}
+{% refer to ind as index %}
+"""
+        inc = File(TEST_SITE.child('content/inc.md'))
+        inc.write(text)
+        gen = Generator(s)
+        gen.load_site_if_needed()
+        gen.load_template_if_needed()
+        res = s.content.resource_from_relative_path('inc.md')
+        deps = list(gen.get_dependencies(res))
+
+        assert len(deps) == 3
+
+        assert 'helpers.html' in deps
+        assert 'layout.html' in deps
+        assert 'index.html' in deps