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+        <a href="oauth2client-module.html">Package&nbsp;oauth2client</a> ::
+        Module&nbsp;util
+      </span>
+    </td>
+    <td>
+      <table cellpadding="0" cellspacing="0">
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+<!-- ==================== MODULE DESCRIPTION ==================== -->
+<h1 class="epydoc">Module util</h1><p class="nomargin-top"></p>
+<pre class="literalblock">
+Common utility library.
+
+</pre>
+
+<hr />
+<div class="fields">      <dl><dt>Authors:</dt>
+        <dd>
+          rafek@google.com (Rafe Kaplan),
+          guido@google.com (Guido van Rossum)
+        </dd>
+      </dl>
+</div><!-- ==================== 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">&nbsp;</span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a href="oauth2client.util-module.html#positional" class="summary-sig-name">positional</a>(<span class="summary-sig-arg">max_positional_args</span>)</span><br />
+      A decorator to declare that only the first N arguments my be positional.</td>
+          <td align="right" valign="top">
+            
+            
+          </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 class="private">
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="FLAGS"></a><span class="summary-name">FLAGS</span> = <code title="gflags.FLAGS">gflags.FLAGS</code>
+    </td>
+  </tr>
+<tr class="private">
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="__package__"></a><span class="summary-name">__package__</span> = <code title="'oauth2client'"><code class="variable-quote">'</code><code class="variable-string">oauth2client</code><code class="variable-quote">'</code></code>
+    </td>
+  </tr>
+<tr class="private">
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="logger"></a><span class="summary-name">logger</span> = <code title="&lt;logging.Logger instance at 0x40e8d88&gt;">&lt;logging.Logger instance at 0x40e8d88&gt;</code>
+    </td>
+  </tr>
+</table>
+<!-- ==================== FUNCTION DETAILS ==================== -->
+<a name="section-FunctionDetails"></a>
+<table class="details" 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">Function Details</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-FunctionDetails"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+</table>
+<a name="positional"></a>
+<div>
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr><td>
+  <table width="100%" cellpadding="0" cellspacing="0" border="0">
+  <tr valign="top"><td>
+  <h3 class="epydoc"><span class="sig"><span class="sig-name">positional</span>(<span class="sig-arg">max_positional_args</span>)</span>
+  </h3>
+  </td><td align="right" valign="top"
+    >&nbsp;
+    </td>
+  </tr></table>
+  
+  <pre class="literalblock">
+A decorator to declare that only the first N arguments my be positional.
+
+This decorator makes it easy to support Python 3 style key-word only
+parameters.  For example, in Python 3 it is possible to write:
+
+  def fn(pos1, *, kwonly1=None, kwonly1=None):
+    ...
+
+All named parameters after * must be a keyword:
+
+  fn(10, 'kw1', 'kw2')  # Raises exception.
+  fn(10, kwonly1='kw1')  # Ok.
+
+Example:
+  To define a function like above, do:
+
+    @positional(1)
+    def fn(pos1, kwonly1=None, kwonly2=None):
+      ...
+
+  If no default value is provided to a keyword argument, it becomes a required
+  keyword argument:
+
+    @positional(0)
+    def fn(required_kw):
+      ...
+
+  This must be called with the keyword parameter:
+
+    fn()  # Raises exception.
+    fn(10)  # Raises exception.
+    fn(required_kw=10)  # Ok.
+
+  When defining instance or class methods always remember to account for
+  'self' and 'cls':
+
+    class MyClass(object):
+
+      @positional(2)
+      def my_method(self, pos1, kwonly1=None):
+        ...
+
+      @classmethod
+      @positional(2)
+      def my_method(cls, pos1, kwonly1=None):
+        ...
+
+The positional decorator behavior is controlled by the
+--positional_parameters_enforcement flag. The flag may be set to 'EXCEPTION',
+'WARNING' or 'IGNORE' to raise an exception, log a warning, or do nothing,
+respectively, if a declaration is violated.
+
+Args:
+  max_positional_arguments: Maximum number of positional arguments.  All
+    parameters after the this index must be keyword only.
+
+Returns:
+  A decorator that prevents using arguments after max_positional_args from
+  being used as positional parameters.
+
+Raises:
+  TypeError if a key-word only argument is provided as a positional parameter,
+  but only if the --positional_parameters_enforcement flag is set to
+  'EXCEPTION'.
+
+</pre>
+  <dl class="fields">
+  </dl>
+</td></tr></table>
+</div>
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