twisted.python.log.html   [plain text]


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<!-- =========== START OF MODULE DESCRIPTION =========== -->
<h2 class="module">Module twisted.python.log</h2>

Logging and metrics infrastructure.
<hr/>

<!-- =========== START OF CLASSES =========== -->
<table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="summary">
  <th colspan="2">Classes</th></tr>
<tr><td width="15%">
  <b><a href="twisted.python.log.DefaultObserver.html"><code>DefaultObserver</code></a></b></td>
  <td>Default observer.</td></tr>
<tr><td width="15%">
  <b><a href="twisted.python.log.EscapeFromTheMeaninglessConfinesOfCapital.html"><code>EscapeFromTheMeaninglessConfinesOfCapital</code></a></b></td>
  <td>&nbsp;</td></tr>
<tr><td width="15%">
  <b><a href="twisted.python.log.FileLogObserver.html"><code>FileLogObserver</code></a></b></td>
  <td>Log observer that writes to a file-like object.</td></tr>
<tr><td width="15%">
  <b><a href="twisted.python.log.ILogContext.html"><code>ILogContext</code></a></b></td>
  <td>Actually, this interface is just a synoym for the dictionary 
interface, but it serves as a key for the default information in a 
log.</td></tr>
<tr><td width="15%">
  <b><a href="twisted.python.log.Logger.html"><code>Logger</code></a></b></td>
  <td>This represents a class which may 'own' a log.</td></tr>
<tr><td width="15%">
  <b><a href="twisted.python.log.LogPublisher.html"><code>LogPublisher</code></a></b></td>
  <td>Class for singleton log message publishing.</td></tr>
<tr><td width="15%">
  <b><a href="twisted.python.log.NullFile.html"><code>NullFile</code></a></b></td>
  <td>&nbsp;</td></tr>
<tr><td width="15%">
  <b><a href="twisted.python.log.StdioOnnaStick.html"><code>StdioOnnaStick</code></a></b></td>
  <td>Class that pretends to be stout/err.</td></tr>
</table><br />


<!-- =========== START OF FUNCTION SUMMARY =========== -->
<table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="summary">
  <th colspan="2">Function Summary</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><a name="callWithContext"></a><span class="summary-sig"><span class="summary-sig-name">callWithContext</span>(<span class=summary-sig-arg>ctx</span>,
          <span class=summary-sig-arg>func</span>,
          <span class="summary-sig-vararg">*args</span>,
          <span class="summary-sig-kwarg">**kw</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#callWithLogger" class="summary-sig-name"><code>callWithLogger</code></a>(<span class=summary-sig-arg>logger</span>,
          <span class=summary-sig-arg>func</span>,
          <span class="summary-sig-vararg">*args</span>,
          <span class="summary-sig-kwarg">**kw</span>)</span></code>
<br />
Utility method which wraps a function in a try:/except:, logs a 
failure if one occurrs, and uses the system's logPrefix.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><a name="clearIgnores"></a><span class="summary-sig"><span class="summary-sig-name">clearIgnores</span>()</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#debug" class="summary-sig-name"><code>debug</code></a>(<span class="summary-sig-vararg">*stuff</span>,
          <span class="summary-sig-kwarg">**otherstuff</span>)</span></code>
<br />
Write some data to the log, indented, so it's easier to distinguish 
from 'normal' output.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#err" class="summary-sig-name"><code>deferr</code></a>(<span class=summary-sig-arg>_stuff</span>,
          <span class="summary-sig-kwarg">**kw</span>)</span></code>
<br />
Write a failure to the log.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#discardLogs" class="summary-sig-name"><code>discardLogs</code></a>()</span></code>
<br />
Throw away all logs.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#err" class="summary-sig-name"><code>err</code></a>(<span class=summary-sig-arg>_stuff</span>,
          <span class="summary-sig-kwarg">**kw</span>)</span></code>
<br />
Write a failure to the log.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#flushErrors" class="summary-sig-name"><code>flushErrors</code></a>(<span class="summary-sig-vararg">*errorTypes</span>)</span></code>
<br />
Support function for testing frameworks.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><a name="ignoreErrors"></a><span class="summary-sig"><span class="summary-sig-name">ignoreErrors</span>(<span class="summary-sig-vararg">*types</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><a name="initThreads"></a><span class="summary-sig"><span class="summary-sig-name">initThreads</span>()</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><a name="showwarning"></a><span class="summary-sig"><span class="summary-sig-name">showwarning</span>(<span class=summary-sig-arg>message</span>,
          <span class=summary-sig-arg>category</span>,
          <span class=summary-sig-arg>filename</span>,
          <span class=summary-sig-arg>lineno</span>,
          <span class=summary-sig-arg>file</span>)</span></code>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#startKeepingErrors" class="summary-sig-name"><code>startKeepingErrors</code></a>()</span></code>
<br />
Support function for testing frameworks.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#startLogging" class="summary-sig-name"><code>startLogging</code></a>(<span class=summary-sig-arg>file</span>,
          <span class="summary-sig-vararg">*a</span>,
          <span class="summary-sig-kwarg">**kw</span>)</span></code>
<br />
Initialize logging to a specified file.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#startLoggingWithObserver" class="summary-sig-name"><code>startLoggingWithObserver</code></a>(<span class=summary-sig-arg>observer</span>,
          <span class=summary-sig-arg>setStdout</span>)</span></code>
<br />
Initialize logging to a specified observer.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.python.log.html#write" class="summary-sig-name"><code>write</code></a>(<span class=summary-sig-arg>stuff</span>)</span></code>
<br />
Write some data to the log.</td></tr>
</table><br />


<!-- =========== START OF VARIABLE SUMMARY =========== -->
<table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="summary">
  <th colspan="2">Variable Summary</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>list</code></font></td>
<td><b><a href="twisted.python.log.html#_ignoreErrors"><code>_ignoreErrors</code></a></b> = <span title="[]"><code>[]                                       </code>
</span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>int</code></font></td>
<td><b><a href="twisted.python.log.html#_keepErrors"><code>_keepErrors</code></a></b> = <span title="0">0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>list</code></font></td>
<td><b><a href="twisted.python.log.html#_keptErrors"><code>_keptErrors</code></a></b> = <span title="[]"><code>[]                                         </code>
</span></td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><a 
          href="twisted.python.log.EscapeFromTheMeaninglessConfinesOfCapital.html" 
          class="link"><code>EscapeFromTheMeaninglessConfinesOfCapital</code></a></font></td>
<td><b><a href="twisted.python.log.html#logOwner"><code>logOwner</code></a></b> = <span title="&lt;twisted.python.log.EscapeFromTheMeaninglessConfinesOfCapital instance at 0x8158b44&gt;"><code>&lt;twisted.python.log.EscapeFromTheMeaninglessC<span class="variable-ellipsis">...</span></code>
</span></td></tr>
</table><br />


<!-- =========== START OF FUNCTION DETAILS =========== -->
<table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="details">
  <th colspan="2">Function Details</th></tr>
</table>

<a name="callWithLogger"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">callWithLogger</span>(<span class=sig-arg>logger</span>,
          <span class=sig-arg>func</span>,
          <span class="sig-vararg">*args</span>,
          <span class="sig-kwarg">**kw</span>)</span>
  </h3>
  Utility method which wraps a function in a try:/except:, logs a 
  failure if one occurrs, and uses the system's logPrefix.
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="debug"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">debug</span>(<span class="sig-vararg">*stuff</span>,
          <span class="sig-kwarg">**otherstuff</span>)</span>
  </h3>
  Write some data to the log, indented, so it's easier to distinguish 
  from 'normal' output.
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="err"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">deferr</span>(<span class=sig-arg>_stuff</span>=<span class=sig-default>None</span>,
          <span class="sig-kwarg">**kw</span>)</span>
  </h3>
  Write a failure to the log.
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="discardLogs"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">discardLogs</span>()</span>
  </h3>
  Throw away all logs.
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="err"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">err</span>(<span class=sig-arg>_stuff</span>=<span class=sig-default>None</span>,
          <span class="sig-kwarg">**kw</span>)</span>
  </h3>
  Write a failure to the log.
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="flushErrors"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">flushErrors</span>(<span class="sig-vararg">*errorTypes</span>)</span>
  </h3>
  <p>Support function for testing frameworks.</p>
  Return a list of errors that occurred since the last call to 
  flushErrors(). (This will return None unless startKeepingErrors has 
  been called.)
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="startKeepingErrors"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">startKeepingErrors</span>()</span>
  </h3>
  <p>Support function for testing frameworks.</p>
  Start keeping errors in a buffer which can be retrieved (and 
  emptied) with flushErrors.
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="startLogging"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">startLogging</span>(<span class=sig-arg>file</span>,
          <span class="sig-vararg">*a</span>,
          <span class="sig-kwarg">**kw</span>)</span>
  </h3>
  Initialize logging to a specified file.
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="startLoggingWithObserver"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">startLoggingWithObserver</span>(<span class=sig-arg>observer</span>,
          <span class=sig-arg>setStdout</span>=<span class=sig-default>1</span>)</span>
  </h3>
  Initialize logging to a specified observer. If setStdout is true 
  (defaults to yes), also redirect sys.stdout and sys.stderr to the 
  specified file.
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="write"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">write</span>(<span class=sig-arg>stuff</span>)</span>
  </h3>
  Write some data to the log. DEPRECATED. Use <a 
  href="twisted.python.log.LogPublisher.html#msg" 
  class="link"><code>msg</code></a> instead.
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>
<br />


<!-- =========== START OF VARIABLE DETAILS =========== -->
<table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="details">
  <th colspan="2">Variable Details</th></tr>
</table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="_ignoreErrors"></a>
<h3>_ignoreErrors</h3>
<dl>
  <dt></dt>
  <dd>
    <dl>
      <dt><b>Type:</b></dt>
      <dd>
          <code>list</code>

      </dd>
<span title="[]">      <dt><b>Value:</b></dt>
      <dd><table><tr><td>
<pre class="variable">
[]                                                                     </pre>
        </td></tr></table></dd>
</span>    </dl>
  </dd>
</dl></td></tr></table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="_keepErrors"></a>
<h3>_keepErrors</h3>
<dl>
  <dt></dt>
  <dd>
    <dl>
      <dt><b>Type:</b></dt>
      <dd>
          <code>int</code>

      </dd>
<span title="0">      <dt><b>Value:</b></dt>
      <dd><table><tr><td>
<pre class="variable">
0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</pre>
        </td></tr></table></dd>
</span>    </dl>
  </dd>
</dl></td></tr></table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="_keptErrors"></a>
<h3>_keptErrors</h3>
<dl>
  <dt></dt>
  <dd>
    <dl>
      <dt><b>Type:</b></dt>
      <dd>
          <code>list</code>

      </dd>
<span title="[]">      <dt><b>Value:</b></dt>
      <dd><table><tr><td>
<pre class="variable">
[]                                                                     </pre>
        </td></tr></table></dd>
</span>    </dl>
  </dd>
</dl></td></tr></table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="logOwner"></a>
<h3>logOwner</h3>
<dl>
  <dt></dt>
  <dd>
    <dl>
      <dt><b>Type:</b></dt>
      <dd>
          <a 
          href="twisted.python.log.EscapeFromTheMeaninglessConfinesOfCapital.html" 
          class="link"><code>EscapeFromTheMeaninglessConfinesOfCapital</code></a>

      </dd>
<span title="&lt;twisted.python.log.EscapeFromTheMeaninglessConfinesOfCapital instance at 0x8158b44&gt;">      <dt><b>Value:</b></dt>
      <dd><table><tr><td>
<pre class="variable">
&lt;twisted.python.log.EscapeFromTheMeaninglessConfinesOfCapital instance<span class="variable-linewrap">\</span>
 at 0x8158b44&gt;                                                         </pre>
        </td></tr></table></dd>
</span>    </dl>
  </dd>
</dl></td></tr></table>
<br />


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