Viewing file:  html.py (1.15 KB) -rw-r--r--
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# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
# See LICENSE for details.
"""I hold HTML generation helpers.
"""
from twisted.python import log
#t.w imports
from twisted.web import resource
import traceback, string
from cStringIO import StringIO
from microdom import escape
def PRE(text):
"Wrap <pre> tags around some text and HTML-escape it."
return "<pre>"+escape(text)+"</pre>"
def UL(lst):
io = StringIO()
io.write("<ul>\n")
for el in lst:
io.write("<li> %s</li>\n" % el)
io.write("</ul>")
return io.getvalue()
def linkList(lst):
io = StringIO()
io.write("<ul>\n")
for hr, el in lst:
io.write('<li> <a href="%s">%s</a></li>\n' % (hr, el))
io.write("</ul>")
return io.getvalue()
def output(func, *args, **kw):
"""output(func, *args, **kw) -> html string
Either return the result of a function (which presumably returns an
HTML-legal string) or a sparse HTMLized error message and a message
in the server log.
"""
try:
return func(*args, **kw)
except:
log.msg("Error calling %r:" % (func,))
log.err()
return PRE("An error occurred.")
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