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| 55 | <H3><A NAME="SECTION0082951000000000000000"> | |
| 56 | 6.29.5.1 StreamHandler</A> | |
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| 58 | ||
| 59 | <P> | |
| 60 | The <tt class="class">StreamHandler</tt> class sends logging output to streams such as | |
| 61 | <var>sys.stdout</var>, <var>sys.stderr</var> or any file-like object (or, more | |
| 62 | precisely, any object which supports <tt class="method">write()</tt> and <tt class="method">flush()</tt> | |
| 63 | methods). | |
| 64 | ||
| 65 | <P> | |
| 66 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 67 | <td><nobr><b><span class="typelabel">class</span> <tt id='l2h-2507' xml:id='l2h-2507' class="class">StreamHandler</tt></b>(</nobr></td> | |
| 68 | <td><var></var><big>[</big><var>strm</var><big>]</big><var></var>)</td></tr></table></dt> | |
| 69 | <dd> | |
| 70 | Returns a new instance of the <tt class="class">StreamHandler</tt> class. If <var>strm</var> is | |
| 71 | specified, the instance will use it for logging output; otherwise, | |
| 72 | <var>sys.stderr</var> will be used. | |
| 73 | </dl> | |
| 74 | ||
| 75 | <P> | |
| 76 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 77 | <td><nobr><b><tt id='l2h-2508' xml:id='l2h-2508' class="method">emit</tt></b>(</nobr></td> | |
| 78 | <td><var>record</var>)</td></tr></table></dt> | |
| 79 | <dd> | |
| 80 | If a formatter is specified, it is used to format the record. | |
| 81 | The record is then written to the stream with a trailing newline. | |
| 82 | If exception information is present, it is formatted using | |
| 83 | <tt class="function">traceback.print_exception()</tt> and appended to the stream. | |
| 84 | </dl> | |
| 85 | ||
| 86 | <P> | |
| 87 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> | |
| 88 | <td><nobr><b><tt id='l2h-2509' xml:id='l2h-2509' class="method">flush</tt></b>(</nobr></td> | |
| 89 | <td><var></var>)</td></tr></table></dt> | |
| 90 | <dd> | |
| 91 | Flushes the stream by calling its <tt class="method">flush()</tt> method. Note that | |
| 92 | the <tt class="method">close()</tt> method is inherited from <tt class="class">Handler</tt> and | |
| 93 | so does nothing, so an explicit <tt class="method">flush()</tt> call may be needed | |
| 94 | at times. | |
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