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55 | <H3><A NAME="SECTION008812000000000000000"> | |
56 | 6.8.1.2 Exceptions</A> | |
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59 | <P> | |
60 | Exceptions raised in the child process, before the new program has | |
61 | started to execute, will be re-raised in the parent. Additionally, | |
62 | the exception object will have one extra attribute called | |
63 | <tt class="member">child_traceback</tt>, which is a string containing traceback | |
64 | information from the childs point of view. | |
65 | ||
66 | <P> | |
67 | The most common exception raised is <tt class="exception">OSError</tt>. This occurs, | |
68 | for example, when trying to execute a non-existent file. Applications | |
69 | should prepare for <tt class="exception">OSError</tt> exceptions. | |
70 | ||
71 | <P> | |
72 | A <tt class="exception">ValueError</tt> will be raised if <tt class="class">Popen</tt> is called | |
73 | with invalid arguments. | |
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111 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> | |
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