projects / OpenSPARC-T2-SAM / blame
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| 54 | <H2><A NAME="SECTION00141730000000000000000"></A><A NAME="xdr-exceptions"></A> | |
| 55 | <BR> | |
| 56 | 12.17.3 Exceptions | |
| 57 | </H2> | |
| 58 | ||
| 59 | <P> | |
| 60 | Exceptions in this module are coded as class instances: | |
| 61 | ||
| 62 | <P> | |
| 63 | <dl><dt><b><span class="typelabel">exception</span> <tt id='l2h-4192' xml:id='l2h-4192' class="exception">Error</tt></b></dt> | |
| 64 | <dd> | |
| 65 | The base exception class. <tt class="exception">Error</tt> has a single public data | |
| 66 | member <tt class="member">msg</tt> containing the description of the error. | |
| 67 | </dd></dl> | |
| 68 | ||
| 69 | <P> | |
| 70 | <dl><dt><b><span class="typelabel">exception</span> <tt id='l2h-4193' xml:id='l2h-4193' class="exception">ConversionError</tt></b></dt> | |
| 71 | <dd> | |
| 72 | Class derived from <tt class="exception">Error</tt>. Contains no additional instance | |
| 73 | variables. | |
| 74 | </dd></dl> | |
| 75 | ||
| 76 | <P> | |
| 77 | Here is an example of how you would catch one of these exceptions: | |
| 78 | ||
| 79 | <P> | |
| 80 | <div class="verbatim"><pre> | |
| 81 | import xdrlib | |
| 82 | p = xdrlib.Packer() | |
| 83 | try: | |
| 84 | p.pack_double(8.01) | |
| 85 | except xdrlib.ConversionError, instance: | |
| 86 | print 'packing the double failed:', instance.msg | |
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