# $Id: ErrorCatchers.py,v 1.7 2005/01/03 19:59:07 tavis_rudd Exp $
"""ErrorCatcher class for Cheetah Templates
Meta-Data
================================================================================
Author: Tavis Rudd <tavis@damnsimple.com>
Version: $Revision: 1.7 $
Start Date: 2001/08/01
Last Revision Date: $Date: 2005/01/03 19:59:07 $
"""
__author__ = "Tavis Rudd <tavis@damnsimple.com>"
__revision__ = "$Revision: 1.7 $"[11:-2]
import time
from Cheetah.NameMapper import NotFound
class Error(Exception):
pass
class ErrorCatcher:
_exceptionsToCatch = (NotFound,)
def __init__(self, templateObj):
pass
def exceptions(self):
return self._exceptionsToCatch
def warn(self, exc_val, code, rawCode, lineCol):
return rawCode
## make an alias
Echo = ErrorCatcher
class BigEcho(ErrorCatcher):
def warn(self, exc_val, code, rawCode, lineCol):
return "="*15 + "<" + rawCode + " could not be found>" + "="*15
class KeyError(ErrorCatcher):
def warn(self, exc_val, code, rawCode, lineCol):
raise KeyError("no '%s' in this Template Object's Search List" % rawCode)
class ListErrors(ErrorCatcher):
"""Accumulate a list of errors."""
_timeFormat = "%c"
def __init__(self, templateObj):
ErrorCatcher.__init__(self, templateObj)
self._errors = []
def warn(self, exc_val, code, rawCode, lineCol):
dict = locals().copy()
del dict['self']
dict['time'] = time.strftime(self._timeFormat,
time.localtime(time.time()))
self._errors.append(dict)
return rawCode
def listErrors(self):
"""Return the list of errors."""
return self._errors
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