from builder import ElementMaker, E, ET

# some common inline elements
A = E.a
I = E.i
B = E.b

def CLASS(*args):
    # class is a reserved word, so we use a helper for this attribute
    return {"class": " ".join(args)}

page = (
  E.html(
    E.head(
      E.title("This is a sample document")
    ),
    E.body(
      E.h1("Hello!", CLASS("title")),
      E.p("This is a paragraph with ", B("bold"), "text in it!"),
      E.p("This is another paragraph, with ",
          A("link", href="http://www.python.org"), "."),
      E.p("Here are some reservered characters: <spam&egg>."),
      ET.XML("<p>And finally, here's an embedded XHTML fragment.</p>"),
    )
  )
)

import indent
indent.indent(page)

print ET.tostring(page)

from datetime import datetime, timedelta, tzinfo

class UTC(tzinfo):
    def utcoffset(self, dt):
        return timedelta(0)
    def tzname(self, dt):
        return "UTC"
    def dst(self, dt):
        return timedelta(0)

RSS = ElementMaker(typemap={
    datetime: lambda e, i: i.strftime("%a, %d %b %Y %H:%M:%S %z")
    })

item = RSS.item(
    RSS.title("E=RSS squared"),
    RSS.link("http://effbot.org"),
    RSS.description("Yet another E-related example"),
    RSS.pubDate(datetime.now(UTC()))
    )

indent.indent(item)
print ET.tostring(item)