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Joe Gregorio66212032012-06-14 09:10:14 -04001<?xml version="1.0" encoding="ascii"?>
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37 <a href="oauth2client-module.html">Package&nbsp;oauth2client</a> ::
38 <a href="oauth2client.locked_file-module.html">Module&nbsp;locked_file</a> ::
39 Class&nbsp;LockedFile
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55<!-- ==================== CLASS DESCRIPTION ==================== -->
56<h1 class="epydoc">Class LockedFile</h1><p class="nomargin-top"><span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile">source&nbsp;code</a></span></p>
57<center>
Joe Gregorio746096f2012-06-15 10:53:36 -040058<center> <map id="class_hierarchy_for_lockedfile" name="class_hierarchy_for_lockedfile">
59<area shape="rect" href="oauth2client.locked_file.LockedFile-class.html" title="LockedFile" alt="" coords="5,5,88,32"/>
Joe Gregorio66212032012-06-14 09:10:14 -040060</map>
Joe Gregorio746096f2012-06-15 10:53:36 -040061 <img src="class_hierarchy_for_lockedfile.gif" alt='' usemap="#class_hierarchy_for_lockedfile" ismap="ismap" class="graph-without-title" />
Joe Gregorio66212032012-06-14 09:10:14 -040062</center>
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64<hr />
65<pre class="literalblock">
66Represent a file that has exclusive access.
67
68</pre>
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Joe Gregorio1b425aa2012-08-24 12:04:34 -040093 <td><span class="summary-sig"><a href="oauth2client.locked_file.LockedFile-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">*args</span>,
94 <span class="summary-sig-arg">**kwargs</span>)</span><br />
Joe Gregorio66212032012-06-14 09:10:14 -040095 Construct a LockedFile.</td>
96 <td align="right" valign="top">
Joe Gregorio1b425aa2012-08-24 12:04:34 -040097 <span class="codelink"><a href="oauth2client.util-pysrc.html">source&nbsp;code</a></span>
Joe Gregorio66212032012-06-14 09:10:14 -040098
99 </td>
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102
103 </td>
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107 <span class="summary-type">&nbsp;</span>
108 </td><td class="summary">
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110 <tr>
111 <td><span class="summary-sig"><a name="filename"></a><span class="summary-sig-name">filename</span>(<span class="summary-sig-arg">self</span>)</span><br />
112 Return the filename we were constructed with.</td>
113 <td align="right" valign="top">
114 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.filename">source&nbsp;code</a></span>
115
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119
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127 <tr>
128 <td><span class="summary-sig"><a name="file_handle"></a><span class="summary-sig-name">file_handle</span>(<span class="summary-sig-arg">self</span>)</span><br />
129 Return the file_handle to the opened file.</td>
130 <td align="right" valign="top">
131 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.file_handle">source&nbsp;code</a></span>
132
133 </td>
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144 <tr>
145 <td><span class="summary-sig"><a name="is_locked"></a><span class="summary-sig-name">is_locked</span>(<span class="summary-sig-arg">self</span>)</span><br />
146 Return whether we successfully locked the file.</td>
147 <td align="right" valign="top">
148 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.is_locked">source&nbsp;code</a></span>
149
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161 <tr>
162 <td><span class="summary-sig"><a href="oauth2client.locked_file.LockedFile-class.html#open_and_lock" class="summary-sig-name">open_and_lock</a>(<span class="summary-sig-arg">self</span>,
163 <span class="summary-sig-arg">timeout</span>=<span class="summary-sig-default">0</span>,
164 <span class="summary-sig-arg">delay</span>=<span class="summary-sig-default">0.05</span>)</span><br />
165 Open the file, trying to lock it.</td>
166 <td align="right" valign="top">
167 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.open_and_lock">source&nbsp;code</a></span>
168
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180 <tr>
181 <td><span class="summary-sig"><a name="unlock_and_close"></a><span class="summary-sig-name">unlock_and_close</span>(<span class="summary-sig-arg">self</span>)</span><br />
182 Unlock and close a file.</td>
183 <td align="right" valign="top">
184 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.unlock_and_close">source&nbsp;code</a></span>
185
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Joe Gregorio1b425aa2012-08-24 12:04:34 -0400261 <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">*args</span>,
262 <span class="sig-arg">**kwargs</span>)</span>
Joe Gregorio66212032012-06-14 09:10:14 -0400263 <br /><em class="fname">(Constructor)</em>
264 </h3>
265 </td><td align="right" valign="top"
Joe Gregorio1b425aa2012-08-24 12:04:34 -0400266 ><span class="codelink"><a href="oauth2client.util-pysrc.html">source&nbsp;code</a></span>&nbsp;
Joe Gregorio66212032012-06-14 09:10:14 -0400267 </td>
268 </tr></table>
269
270 <pre class="literalblock">
271Construct a LockedFile.
272
273Args:
274 filename: string, The path of the file to open.
275 mode: string, The mode to try to open the file with.
276 fallback_mode: string, The mode to use if locking fails.
Joe Gregoriobf14cef2012-06-22 15:26:16 -0400277 use_native_locking: bool, Whether or not fcntl/win32 locking is used.
Joe Gregorio66212032012-06-14 09:10:14 -0400278
279</pre>
280 <dl class="fields">
Joe Gregorio1b425aa2012-08-24 12:04:34 -0400281 <dt>Decorators:</dt>
282 <dd><ul class="nomargin-top">
283 <li><code>@util.positional(4)</code></li>
284 </ul></dd>
Joe Gregorio66212032012-06-14 09:10:14 -0400285 <dt>Overrides:
286 object.__init__
287 </dt>
288 </dl>
289</td></tr></table>
290</div>
291<a name="open_and_lock"></a>
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298 <h3 class="epydoc"><span class="sig"><span class="sig-name">open_and_lock</span>(<span class="sig-arg">self</span>,
299 <span class="sig-arg">timeout</span>=<span class="sig-default">0</span>,
300 <span class="sig-arg">delay</span>=<span class="sig-default">0.05</span>)</span>
301 </h3>
302 </td><td align="right" valign="top"
303 ><span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.open_and_lock">source&nbsp;code</a></span>&nbsp;
304 </td>
305 </tr></table>
306
307 <pre class="literalblock">
308Open the file, trying to lock it.
309
310Args:
311 timeout: float, The number of seconds to try to acquire the lock.
312 delay: float, The number of seconds to wait between retry attempts.
313
314Raises:
315 AlreadyLockedException: if the lock is already acquired.
316 IOError: if the open fails.
317
318</pre>
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Joe Gregorio1b425aa2012-08-24 12:04:34 -0400347 Generated by Epydoc 3.0.1 on Fri Aug 24 11:02:08 2012
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