252 lines
9.2 KiB
HTML
252 lines
9.2 KiB
HTML
<?xml version="1.0" encoding="ascii"?>
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
|
|
"DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
|
|
<head>
|
|
<title>oauth2client.locked_file</title>
|
|
<link rel="stylesheet" href="epydoc.css" type="text/css" />
|
|
<script type="text/javascript" src="epydoc.js"></script>
|
|
</head>
|
|
|
|
<body bgcolor="white" text="black" link="blue" vlink="#204080"
|
|
alink="#204080">
|
|
<!-- ==================== NAVIGATION BAR ==================== -->
|
|
<table class="navbar" border="0" width="100%" cellpadding="0"
|
|
bgcolor="#a0c0ff" cellspacing="0">
|
|
<tr valign="middle">
|
|
|
|
<!-- Tree link -->
|
|
<th> <a
|
|
href="module-tree.html">Trees</a> </th>
|
|
|
|
<!-- Index link -->
|
|
<th> <a
|
|
href="identifier-index.html">Indices</a> </th>
|
|
|
|
<!-- Help link -->
|
|
<th> <a
|
|
href="help.html">Help</a> </th>
|
|
|
|
<th class="navbar" width="100%"></th>
|
|
</tr>
|
|
</table>
|
|
<table width="100%" cellpadding="0" cellspacing="0">
|
|
<tr valign="top">
|
|
<td width="100%">
|
|
<span class="breadcrumbs">
|
|
<a href="oauth2client-module.html">Package oauth2client</a> ::
|
|
Module locked_file
|
|
</span>
|
|
</td>
|
|
<td>
|
|
<table cellpadding="0" cellspacing="0">
|
|
<!-- hide/show private -->
|
|
<tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink"
|
|
onclick="toggle_private();">hide private</a>]</span></td></tr>
|
|
<tr><td align="right"><span class="options"
|
|
>[<a href="frames.html" target="_top">frames</a
|
|
>] | <a href="oauth2client.locked_file-module.html"
|
|
target="_top">no frames</a>]</span></td></tr>
|
|
</table>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<!-- ==================== MODULE DESCRIPTION ==================== -->
|
|
<h1 class="epydoc">Module locked_file</h1><p class="nomargin-top"><span class="codelink"><a href="oauth2client.locked_file-pysrc.html">source code</a></span></p>
|
|
<pre class="literalblock">
|
|
Locked file interface that should work on Unix and Windows pythons.
|
|
|
|
This module first tries to use fcntl locking to ensure serialized access
|
|
to a file, then falls back on a lock file if that is unavialable.
|
|
|
|
Usage:
|
|
f = LockedFile('filename', 'r+b', 'rb')
|
|
f.open_and_lock()
|
|
if f.is_locked():
|
|
print 'Acquired filename with r+b mode'
|
|
f.file_handle().write('locked data')
|
|
else:
|
|
print 'Aquired filename with rb mode'
|
|
f.unlock_and_close()
|
|
|
|
</pre>
|
|
|
|
<hr />
|
|
<div class="fields"> <p><strong>Author:</strong>
|
|
cache@google.com (David T McWherter)
|
|
</p>
|
|
</div><!-- ==================== CLASSES ==================== -->
|
|
<a name="section-Classes"></a>
|
|
<table class="summary" border="1" cellpadding="3"
|
|
cellspacing="0" width="100%" bgcolor="white">
|
|
<tr bgcolor="#70b0f0" class="table-header">
|
|
<td colspan="2" class="table-header">
|
|
<table border="0" cellpadding="0" cellspacing="0" width="100%">
|
|
<tr valign="top">
|
|
<td align="left"><span class="table-header">Classes</span></td>
|
|
<td align="right" valign="top"
|
|
><span class="options">[<a href="#section-Classes"
|
|
class="privatelink" onclick="toggle_private();"
|
|
>hide private</a>]</span></td>
|
|
</tr>
|
|
</table>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a href="oauth2client.locked_file.CredentialsFileSymbolicLinkError-class.html" class="summary-name">CredentialsFileSymbolicLinkError</a><br />
|
|
Credentials files must not be symbolic links.
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a href="oauth2client.locked_file.AlreadyLockedException-class.html" class="summary-name">AlreadyLockedException</a><br />
|
|
Trying to lock a file that has already been locked by the LockedFile.
|
|
</td>
|
|
</tr>
|
|
<tr class="private">
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a href="oauth2client.locked_file._Opener-class.html" class="summary-name" onclick="show_private();">_Opener</a><br />
|
|
Base class for different locking primitives.
|
|
</td>
|
|
</tr>
|
|
<tr class="private">
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a href="oauth2client.locked_file._PosixOpener-class.html" class="summary-name" onclick="show_private();">_PosixOpener</a><br />
|
|
Lock files using Posix advisory lock files.
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a href="oauth2client.locked_file.LockedFile-class.html" class="summary-name">LockedFile</a><br />
|
|
Represent a file that has exclusive access.
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<!-- ==================== FUNCTIONS ==================== -->
|
|
<a name="section-Functions"></a>
|
|
<table class="summary" border="1" cellpadding="3"
|
|
cellspacing="0" width="100%" bgcolor="white">
|
|
<tr bgcolor="#70b0f0" class="table-header">
|
|
<td colspan="2" class="table-header">
|
|
<table border="0" cellpadding="0" cellspacing="0" width="100%">
|
|
<tr valign="top">
|
|
<td align="left"><span class="table-header">Functions</span></td>
|
|
<td align="right" valign="top"
|
|
><span class="options">[<a href="#section-Functions"
|
|
class="privatelink" onclick="toggle_private();"
|
|
>hide private</a>]</span></td>
|
|
</tr>
|
|
</table>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<table width="100%" cellpadding="0" cellspacing="0" border="0">
|
|
<tr>
|
|
<td><span class="summary-sig"><a name="validate_file"></a><span class="summary-sig-name">validate_file</span>(<span class="summary-sig-arg">filename</span>)</span></td>
|
|
<td align="right" valign="top">
|
|
<span class="codelink"><a href="oauth2client.locked_file-pysrc.html#validate_file">source code</a></span>
|
|
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<!-- ==================== VARIABLES ==================== -->
|
|
<a name="section-Variables"></a>
|
|
<table class="summary" border="1" cellpadding="3"
|
|
cellspacing="0" width="100%" bgcolor="white">
|
|
<tr bgcolor="#70b0f0" class="table-header">
|
|
<td colspan="2" class="table-header">
|
|
<table border="0" cellpadding="0" cellspacing="0" width="100%">
|
|
<tr valign="top">
|
|
<td align="left"><span class="table-header">Variables</span></td>
|
|
<td align="right" valign="top"
|
|
><span class="options">[<a href="#section-Variables"
|
|
class="privatelink" onclick="toggle_private();"
|
|
>hide private</a>]</span></td>
|
|
</tr>
|
|
</table>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a name="logger"></a><span class="summary-name">logger</span> = <code title="logging.getLogger(__name__)">logging.getLogger(__name__)</code>
|
|
</td>
|
|
</tr>
|
|
<tr class="private">
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a name="_FcntlOpener"></a><span class="summary-name">_FcntlOpener</span> = <code title="None">None</code>
|
|
</td>
|
|
</tr>
|
|
<tr class="private">
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a name="_Win32Opener"></a><span class="summary-name">_Win32Opener</span> = <code title="None">None</code>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<!-- ==================== NAVIGATION BAR ==================== -->
|
|
<table class="navbar" border="0" width="100%" cellpadding="0"
|
|
bgcolor="#a0c0ff" cellspacing="0">
|
|
<tr valign="middle">
|
|
|
|
<!-- Tree link -->
|
|
<th> <a
|
|
href="module-tree.html">Trees</a> </th>
|
|
|
|
<!-- Index link -->
|
|
<th> <a
|
|
href="identifier-index.html">Indices</a> </th>
|
|
|
|
<!-- Help link -->
|
|
<th> <a
|
|
href="help.html">Help</a> </th>
|
|
|
|
<th class="navbar" width="100%"></th>
|
|
</tr>
|
|
</table>
|
|
<table border="0" cellpadding="0" cellspacing="0" width="100%%">
|
|
<tr>
|
|
<td align="left" class="footer">
|
|
Generated by Epydoc 3.0.1 on Mon Nov 5 08:53:52 2012
|
|
</td>
|
|
<td align="right" class="footer">
|
|
<a target="mainFrame" href="http://epydoc.sourceforge.net"
|
|
>http://epydoc.sourceforge.net</a>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
|
|
<script type="text/javascript">
|
|
<!--
|
|
// Private objects are initially displayed (because if
|
|
// javascript is turned off then we want them to be
|
|
// visible); but by default, we want to hide them. So hide
|
|
// them unless we have a cookie that says to show them.
|
|
checkCookie();
|
|
// -->
|
|
</script>
|
|
</body>
|
|
</html>
|