def cook(self):
"""Compile the TAL and METAL statments.
Cooking must not fail due to compilation errors in templates.
"""
engine = self.pt_getEngine()
source_file = self.pt_source_file()
if self.content_type == 'text/html':
gen = TALGenerator(engine, xml=0, source_file=source_file)
parser = HTMLTALParser(gen)
else:
gen = TALGenerator(engine, source_file=source_file)
parser = TALParser(gen)
self._v_errors = ()
try:
#### the patch
text = self._text
text = expression.sub('', text)
text = expression2.sub('', text)
parser.parseString(text)
#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
