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gerrit-public.fairphone.software / platform / external / python / google-api-python-client / 44454e4c65dda5a2a811553e1cc540140c039fd5 / . / docs / epy / oauth2client.locked_file.LockedFile-class.html
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Joe Gregorio66212032012-06-14 09:10:14 -0400[diff] [blame]1<?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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41 </td>
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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>
58<center> <map id="uml_class_diagram_for_oauth2cl_36" name="uml_class_diagram_for_oauth2cl_36">
59<area shape="rect" href="oauth2client.locked_file.LockedFile-class.html#__init__" title="Construct a LockedFile." alt="" coords="17,36,377,55"/>
60<area shape="rect" href="oauth2client.locked_file.LockedFile-class.html#filename" title="Return the filename we were constructed with." alt="" coords="17,55,377,73"/>
61<area shape="rect" href="oauth2client.locked_file.LockedFile-class.html#file_handle" title="Return the file_handle to the opened file." alt="" coords="17,73,377,92"/>
62<area shape="rect" href="oauth2client.locked_file.LockedFile-class.html#is_locked" title="Return whether we successfully locked the file." alt="" coords="17,92,377,111"/>
63<area shape="rect" href="oauth2client.locked_file.LockedFile-class.html#open_and_lock" title="Open the file, trying to lock it." alt="" coords="17,111,377,129"/>
64<area shape="rect" href="oauth2client.locked_file.LockedFile-class.html#unlock_and_close" title="Unlock and close a file." alt="" coords="17,129,377,148"/>
65<area shape="rect" href="oauth2client.locked_file.LockedFile-class.html" title="Represent a file that has exclusive access." alt="" coords="16,11,379,149"/>
66</map>
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68</center>
69</center>
70<hr />
71<pre class="literalblock">
72Represent a file that has exclusive access.
73
74</pre>
75
76<!-- ==================== INSTANCE METHODS ==================== -->
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93<tr>
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95 <span class="summary-type">&nbsp;</span>
96 </td><td class="summary">
97 <table width="100%" cellpadding="0" cellspacing="0" border="0">
98 <tr>
99 <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">self</span>,
100 <span class="summary-sig-arg">filename</span>,
101 <span class="summary-sig-arg">mode</span>,
102 <span class="summary-sig-arg">fallback_mode</span>,
103 <span class="summary-sig-arg">use_fcntl</span>=<span class="summary-sig-default">True</span>)</span><br />
104 Construct a LockedFile.</td>
105 <td align="right" valign="top">
106 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.__init__">source&nbsp;code</a></span>
107
108 </td>
109 </tr>
110 </table>
111
112 </td>
113 </tr>
114<tr>
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116 <span class="summary-type">&nbsp;</span>
117 </td><td class="summary">
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119 <tr>
120 <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 />
121 Return the filename we were constructed with.</td>
122 <td align="right" valign="top">
123 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.filename">source&nbsp;code</a></span>
124
125 </td>
126 </tr>
127 </table>
128
129 </td>
130 </tr>
131<tr>
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133 <span class="summary-type">&nbsp;</span>
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135 <table width="100%" cellpadding="0" cellspacing="0" border="0">
136 <tr>
137 <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 />
138 Return the file_handle to the opened file.</td>
139 <td align="right" valign="top">
140 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.file_handle">source&nbsp;code</a></span>
141
142 </td>
143 </tr>
144 </table>
145
146 </td>
147 </tr>
148<tr>
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150 <span class="summary-type">&nbsp;</span>
151 </td><td class="summary">
152 <table width="100%" cellpadding="0" cellspacing="0" border="0">
153 <tr>
154 <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 />
155 Return whether we successfully locked the file.</td>
156 <td align="right" valign="top">
157 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.is_locked">source&nbsp;code</a></span>
158
159 </td>
160 </tr>
161 </table>
162
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167 <span class="summary-type">&nbsp;</span>
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169 <table width="100%" cellpadding="0" cellspacing="0" border="0">
170 <tr>
171 <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>,
172 <span class="summary-sig-arg">timeout</span>=<span class="summary-sig-default">0</span>,
173 <span class="summary-sig-arg">delay</span>=<span class="summary-sig-default">0.05</span>)</span><br />
174 Open the file, trying to lock it.</td>
175 <td align="right" valign="top">
176 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.open_and_lock">source&nbsp;code</a></span>
177
178 </td>
179 </tr>
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181
182 </td>
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188 <table width="100%" cellpadding="0" cellspacing="0" border="0">
189 <tr>
190 <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 />
191 Unlock and close a file.</td>
192 <td align="right" valign="top">
193 <span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.unlock_and_close">source&nbsp;code</a></span>
194
195 </td>
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198
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203 <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
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232 >hide private</a>]</span></td>
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239 <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
240 <code>__class__</code>
241 </p>
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270 <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
271 <span class="sig-arg">filename</span>,
272 <span class="sig-arg">mode</span>,
273 <span class="sig-arg">fallback_mode</span>,
274 <span class="sig-arg">use_fcntl</span>=<span class="sig-default">True</span>)</span>
275 <br /><em class="fname">(Constructor)</em>
276 </h3>
277 </td><td align="right" valign="top"
278 ><span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.__init__">source&nbsp;code</a></span>&nbsp;
279 </td>
280 </tr></table>
281
282 <pre class="literalblock">
283Construct a LockedFile.
284
285Args:
286 filename: string, The path of the file to open.
287 mode: string, The mode to try to open the file with.
288 fallback_mode: string, The mode to use if locking fails.
289 use_fcntl: string, Whether or not fcntl-based locking should be used.
290
291</pre>
292 <dl class="fields">
293 <dt>Overrides:
294 object.__init__
295 </dt>
296 </dl>
297</td></tr></table>
298</div>
299<a name="open_and_lock"></a>
300<div>
301<table class="details" border="1" cellpadding="3"
302 cellspacing="0" width="100%" bgcolor="white">
303<tr><td>
304 <table width="100%" cellpadding="0" cellspacing="0" border="0">
305 <tr valign="top"><td>
306 <h3 class="epydoc"><span class="sig"><span class="sig-name">open_and_lock</span>(<span class="sig-arg">self</span>,
307 <span class="sig-arg">timeout</span>=<span class="sig-default">0</span>,
308 <span class="sig-arg">delay</span>=<span class="sig-default">0.05</span>)</span>
309 </h3>
310 </td><td align="right" valign="top"
311 ><span class="codelink"><a href="oauth2client.locked_file-pysrc.html#LockedFile.open_and_lock">source&nbsp;code</a></span>&nbsp;
312 </td>
313 </tr></table>
314
315 <pre class="literalblock">
316Open the file, trying to lock it.
317
318Args:
319 timeout: float, The number of seconds to try to acquire the lock.
320 delay: float, The number of seconds to wait between retry attempts.
321
322Raises:
323 AlreadyLockedException: if the lock is already acquired.
324 IOError: if the open fails.
325
326</pre>
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