Exemple #1
0
    def _cook(self):
        """Compile the TAL and METAL statments.

        Cooking must not fail due to compilation errors in templates.
        """
        source_file = self.pt_source_file()
        if self.html():
            gen = TALGenerator(getEngine(), xml=0, source_file=source_file)
            parser = HTMLTALParser(gen)
        else:
            gen = TALGenerator(getEngine(), source_file=source_file)
            parser = TALParser(gen)

        self._v_errors = ()
        try:
            parser.parseString(self._text)
            self._v_program, self._v_macros = parser.getCode()
        except:
            self._v_errors = ["Compilation failed",
                              "%s: %s" % sys.exc_info()[:2]]
        self._v_warnings = parser.getWarnings()
        self._v_cooked = 1
Exemple #2
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    def pt_render(self, source=0, extra_context={}):
        """Render this Page Template"""
        if not self._v_cooked:
            self._cook()

        __traceback_supplement__ = (PageTemplateTracebackSupplement, self)

        if self._v_errors:
            raise PTRuntimeError, 'Page Template %s has errors.' % self.id
        output = self.StringIO()
        c = self.pt_getContext()
        c.update(extra_context)

        TALInterpreter(self._v_program, self._v_macros,
                       getEngine().getContext(c),
                       output,
                       tal=not source, strictinsert=0)()
        return output.getvalue()