57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
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# -*- test-case-name: twisted.web.test.test_html -*-
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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 html import escape
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from io import StringIO
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from incremental import Version
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from twisted.python import log
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from twisted.python.deprecate import deprecated
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@deprecated(Version("Twisted", 15, 3, 0), replacement="twisted.web.template")
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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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@deprecated(Version("Twisted", 15, 3, 0), replacement="twisted.web.template")
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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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@deprecated(Version("Twisted", 15, 3, 0), replacement="twisted.web.template")
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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(f'<li> <a href="{hr}">{el}</a></li>\n')
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io.write("</ul>")
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return io.getvalue()
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@deprecated(Version("Twisted", 15, 3, 0), replacement="twisted.web.template")
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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 BaseException:
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log.msg(f"Error calling {func!r}:")
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log.err()
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return PRE("An error occurred.")
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