47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
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# Copyright (c) Twisted Matrix Laboratories.
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# See LICENSE for details.
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"""I hold HTML generation helpers.
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"""
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from cgi import escape
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from twisted.python import log
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from twisted.python.compat import NativeStringIO as StringIO
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def PRE(text):
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"Wrap <pre> tags around some text and HTML-escape it."
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return "<pre>"+escape(text)+"</pre>"
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def UL(lst):
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io = StringIO()
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io.write("<ul>\n")
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for el in lst:
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io.write("<li> %s</li>\n" % el)
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io.write("</ul>")
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return io.getvalue()
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def linkList(lst):
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io = StringIO()
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io.write("<ul>\n")
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for hr, el in lst:
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io.write('<li> <a href="%s">%s</a></li>\n' % (hr, el))
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io.write("</ul>")
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return io.getvalue()
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def output(func, *args, **kw):
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"""output(func, *args, **kw) -> html string
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Either return the result of a function (which presumably returns an
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HTML-legal string) or a sparse HTMLized error message and a message
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in the server log.
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"""
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try:
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return func(*args, **kw)
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except:
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log.msg("Error calling %r:" % (func,))
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log.err()
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return PRE("An error occurred.")
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