2009
03.07
03.07
Should be self explanatory
def render(tag):
if not tag:
return ""
else:
if isinstance(tag, str):
return tag
else:
if len(tag) > 1 and isinstance(tag[1], dict):
return render_tag(tag[0], tag[1], tag[2:])
else:
return render_tag(tag[0], None, tag[1:])
def render_tag(tag, attrs, children):
if not children:
return "<%s%s/>" % (tag, render_attrs(attrs))
else:
return "<%s%s>%s" % (tag, render_attrs(attrs), "\n".join(map(render, children)), tag)
def render_attrs(attrs):
return "" if not attrs else " " + " ".join(['%s="%s"' % pair for pair in attrs.items()])
if __name__ == "__main__":
# example
html = ("html",
("head",
("title", "this is my title"),
("meta", {"name":"keywords", "value":"python, html"}),
("meta", {"name":"description", "value":"outputting html from python dsl"}),
("script", {"src":"static/js/jquery-1.3.2.min.js"}, None) # None forces open
),
("body",
("div",
)
)
)
print render(html)
Output from the example is something like this:
<html>
<head>
<title>this is my title</title>
<meta name="keywords" value="python, html"/>
<meta name="description" value="outputting html from python dsl"/>
<script src="static/js/jquery-1.3.2.min.js"></script>
</head>
<body>
<div/>
</body>
</html>
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