Added a simple compatibility test suite for tree builders.

1 files changed, 35 insertions, 0 deletions

diff --git a/src/beautifulsoup/builder/lxml_builder.py b/src/beautifulsoup/builder/lxml_builder.py
new file mode 100644
index 0000000..2963a02
--- /dev/null
+++ b/src/beautifulsoup/builder/lxml_builder.py
@@ -0,0 +1,35 @@
+from lxml import etree
+from beautifulsoup.element import Comment
+from beautifulsoup.builder import TreeBuilder
+
+class LXMLTreeBuilder(TreeBuilder):
+
+    def __init__(self, parser_class=etree.HTMLParser, self_closing_tags=[]):
+        self.parser = parser_class(target=self)
+        self.self_closing_tags = self_closing_tags
+        self.soup = None
+
+    def isSelfClosingTag(self, name):
+        return name in self.self_closing_tags
+
+    def feed(self, markup):
+        self.parser.feed(markup)
+        self.parser.close()
+
+    def close(self):
+        pass
+
+    def start(self, name, attrs):
+        self.soup.handle_starttag(name, attrs)
+
+    def end(self, name):
+        self.soup.handle_endtag(name)
+
+    def data(self, content):
+        self.soup.handle_data(content)
+
+    def comment(self, content):
+        "Handle comments as Comment objects."
+        self.soup.endData()
+        self.soup.handle_data(content)
+        self.soup.endData(Comment)