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1 ############################################################################## 2 # 3 # Zope Public License (ZPL) Version 1.0 4 # ------------------------------------- 5 # 6 # Copyright (c) Digital Creations. All rights reserved. 7 # 8 # This license has been certified as Open Source(tm). 9 # 10 # Redistribution and use in source and binary forms, with or without 11 # modification, are permitted provided that the following conditions are 12 # met: 13 # 14 # 1. Redistributions in source code must retain the above copyright 15 # notice, this list of conditions, and the following disclaimer. 16 # 17 # 2. Redistributions in binary form must reproduce the above copyright 18 # notice, this list of conditions, and the following disclaimer in 19 # the documentation and/or other materials provided with the 20 # distribution. 21 # 22 # 3. Digital Creations requests that attribution be given to Zope 23 # in any manner possible. Zope includes a "Powered by Zope" 24 # button that is installed by default. While it is not a license 25 # violation to remove this button, it is requested that the 26 # attribution remain. A significant investment has been put 27 # into Zope, and this effort will continue if the Zope community 28 # continues to grow. This is one way to assure that growth. 29 # 30 # 4. All advertising materials and documentation mentioning 31 # features derived from or use of this software must display 32 # the following acknowledgement: 33 # 34 # "This product includes software developed by Digital Creations 35 # for use in the Z Object Publishing Environment 36 # (http://www.zope.org/)." 37 # 38 # In the event that the product being advertised includes an 39 # intact Zope distribution (with copyright and license included) 40 # then this clause is waived. 41 # 42 # 5. Names associated with Zope or Digital Creations must not be used to 43 # endorse or promote products derived from this software without 44 # prior written permission from Digital Creations. 45 # 46 # 6. Modified redistributions of any form whatsoever must retain 47 # the following acknowledgment: 48 # 49 # "This product includes software developed by Digital Creations 50 # for use in the Z Object Publishing Environment 51 # (http://www.zope.org/)." 52 # 53 # Intact (re-)distributions of any official Zope release do not 54 # require an external acknowledgement. 55 # 56 # 7. Modifications are encouraged but must be packaged separately as 57 # patches to official Zope releases. Distributions that do not 58 # clearly separate the patches from the original work must be clearly 59 # labeled as unofficial distributions. Modifications which do not 60 # carry the name Zope may be packaged in any form, as long as they 61 # conform to all of the clauses above. 62 # 63 # 64 # Disclaimer 65 # 66 # THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY 67 # EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 68 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 69 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL CREATIONS OR ITS 70 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 71 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 72 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 73 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 74 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 75 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 76 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 77 # SUCH DAMAGE. 78 # 79 # 80 # This software consists of contributions made by Digital Creations and 81 # many individuals on behalf of Digital Creations. Specific 82 # attributions are listed in the accompanying credits file. 83 # 84 ############################################################################## 85 '''Raising exceptions 86 87 Errors can be raised from DTML using the 'raise' tag. 88 89 For example:: 90 91 <!--#if expr="condition_that_tests_input"--> 92 <!--#raise type="Input Error"--> 93 The value you entered is not valid 94 <!--#/raise--> 95 <!--#/if--> 96 97 ''' 98 __rcs_id__='$Id: DT_Raise.py 694 2003-04-16 02:53:50Z sc $' 99 __version__='$Revision: 694 $'[11:-2] 100 101 from DT_Util import parse_params, name_param, render_blocks, str 102104 blockContinuations=() 105 name='raise' 106 expr='' 107131109 110 tname, args, section = blocks[0] 111 self.section=section.blocks 112 args=parse_params(args, type='', expr='') 113 self.__name__, self.expr = name_param(args, 'raise', 1, attr='type')114116 expr=self.expr 117 if expr is None: 118 t=self.__name__ 119 if t[-5:]=='Error' and __builtins__.has_key(t): 120 t=__builtins__[t] 121 else: 122 try: t=expr.eval(md) 123 except: t='Invalid Error Type Expression' 124 125 try: v=render_blocks(self.section,md) 126 except: v='Invalid Error Value' 127 128 raise t, v129 130 __call__=render
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