def get(self):
self.response.out.write('<html><body>')
guestbook_name = self.request.get('guestbook_name')
ancestor_key = ndb.Key("Book", guestbook_name or "*notitle*")
greetings = Greeting.query_book(ancestor_key).fetch(20)
for greeting in greetings:
self.response.out.write('<blockquote>%s</blockquote>' %
cgi.escape(greeting.content))
# [END query]
self.response.out.write("""
<form action="/sign?%s" method="post">
<div><textarea name="content" rows="3" cols="60"></textarea></div>
<div><input type="submit" value="Sign Guestbook"></div>
</form>
<hr>
<form>Guestbook name: <input value="%s" name="guestbook_name">
<input type="submit" value="switch"></form>
</body>
</html>""" % (urllib.urlencode({'guestbook_name': guestbook_name}),
cgi.escape(guestbook_name)))
# [START submit]
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