func_timeout/doc/func_timeout.StoppableThread.html
2017-05-20 21:43:07 -04:00

306 lines
23 KiB
HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html ><head ><title >Python: module func_timeout.StoppableThread</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head><body bgcolor="#f0f0f8" >
<table width="100%" cellspacing="0" cellpadding="2" border="0" summary="heading" >
<tr bgcolor="#7799ee" >
<td valign="bottom" >&nbsp;<br />
<font color="#ffffff" face="helvetica, arial" >&nbsp;<br /><big ><big ><strong ><a href="func_timeout.html" ><font color="#ffffff" >func_timeout</font></a>.StoppableThread</strong></big></big></font></td><td align="right" valign="bottom" ><font color="#ffffff" face="helvetica, arial" ><a href="func_timeout.html" >index</a></font></td></tr></table>
<p ><tt >Copyright&nbsp;(c)&nbsp;2016,&nbsp;2017&nbsp;Tim&nbsp;Savannah&nbsp;All&nbsp;Rights&nbsp;Reserved.<br />
&nbsp;<br />
Licensed&nbsp;under&nbsp;the&nbsp;Lesser&nbsp;GNU&nbsp;Public&nbsp;License&nbsp;Version&nbsp;3,&nbsp;LGPLv3.&nbsp;You&nbsp;should&nbsp;have&nbsp;recieved&nbsp;a&nbsp;copy&nbsp;of&nbsp;this&nbsp;with&nbsp;the&nbsp;source&nbsp;distribution&nbsp;as<br />
LICENSE,&nbsp;otherwise&nbsp;it&nbsp;is&nbsp;available&nbsp;at&nbsp;https://github.com/kata198/func_timeout/LICENSE</tt></p>
<p >
<table width="100%" cellspacing="0" cellpadding="2" border="0" summary="section" >
<tr bgcolor="#aa55cc" >
<td colspan="3" valign="bottom" >&nbsp;<br />
<font color="#ffffff" face="helvetica, arial" ><big ><strong >Modules</strong></big></font></td></tr>
<tr ><td bgcolor="#aa55cc" ><tt >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td >&nbsp;</td>
<td width="100%" ><table width="100%" summary="list" ><tr ><td width="25%" valign="top" ><a href="ctypes.html" >ctypes</a><br />
<a href="os.html" >os</a><br />
</td><td width="25%" valign="top" ><a href="sys.html" >sys</a><br />
<a href="threading.html" >threading</a><br />
</td><td width="25%" valign="top" ><a href="time.html" >time</a><br />
</td><td width="25%" valign="top" ></td></tr></table></td></tr></table><p >
<table width="100%" cellspacing="0" cellpadding="2" border="0" summary="section" >
<tr bgcolor="#ee77aa" >
<td colspan="3" valign="bottom" >&nbsp;<br />
<font color="#ffffff" face="helvetica, arial" ><big ><strong >Classes</strong></big></font></td></tr>
<tr ><td bgcolor="#ee77aa" ><tt >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td >&nbsp;</td>
<td width="100%" ><dl >
<dt ><font face="helvetica, arial" ><a href="threading.html#Thread" >threading.Thread</a>(<a href="builtins.html#object" >builtins.object</a>)
</font></dt><dd >
<dl >
<dt ><font face="helvetica, arial" ><a href="func_timeout.StoppableThread.html#JoinThread" >JoinThread</a>
</font></dt><dt ><font face="helvetica, arial" ><a href="func_timeout.StoppableThread.html#StoppableThread" >StoppableThread</a>
</font></dt></dl>
</dd>
</dl>
<p >
<table width="100%" cellspacing="0" cellpadding="2" border="0" summary="section" >
<tr bgcolor="#ffc8d8" >
<td colspan="3" valign="bottom" >&nbsp;<br />
<font color="#000000" face="helvetica, arial" ><a name="JoinThread" >class <strong >JoinThread</strong></a>(<a href="threading.html#Thread" >threading.Thread</a>)</font></td></tr>
<tr bgcolor="#ffc8d8" ><td rowspan="2" ><tt >&nbsp;&nbsp;&nbsp;</tt></td>
<td colspan="2" ><tt ><a href="#JoinThread" >JoinThread</a>&nbsp;-&nbsp;The&nbsp;workhouse&nbsp;that&nbsp;stops&nbsp;the&nbsp;<a href="#StoppableThread" >StoppableThread</a><br />&nbsp;</tt></td></tr>
<tr ><td >&nbsp;</td>
<td width="100%" ><dl ><dt >Method resolution order:</dt>
<dd ><a href="func_timeout.StoppableThread.html#JoinThread" >JoinThread</a></dd>
<dd ><a href="threading.html#Thread" >threading.Thread</a></dd>
<dd ><a href="builtins.html#object" >builtins.object</a></dd>
</dl>
<hr />
Methods defined here:<br />
<dl ><dt ><a name="JoinThread-__init__" ><strong >__init__</strong></a>(self, otherThread, exception, repeatEvery=2.0)</dt><dd ><tt >This&nbsp;constructor&nbsp;should&nbsp;always&nbsp;be&nbsp;called&nbsp;with&nbsp;keyword&nbsp;arguments.&nbsp;Arguments&nbsp;are:<br />
&nbsp;<br />
*group*&nbsp;should&nbsp;be&nbsp;None;&nbsp;reserved&nbsp;for&nbsp;future&nbsp;extension&nbsp;when&nbsp;a&nbsp;ThreadGroup<br />
class&nbsp;is&nbsp;implemented.<br />
&nbsp;<br />
*target*&nbsp;is&nbsp;the&nbsp;callable&nbsp;object&nbsp;to&nbsp;be&nbsp;invoked&nbsp;by&nbsp;the&nbsp;<a href="#JoinThread-run" >run</a>()<br />
method.&nbsp;Defaults&nbsp;to&nbsp;None,&nbsp;meaning&nbsp;nothing&nbsp;is&nbsp;called.<br />
&nbsp;<br />
*name*&nbsp;is&nbsp;the&nbsp;thread&nbsp;name.&nbsp;By&nbsp;default,&nbsp;a&nbsp;unique&nbsp;name&nbsp;is&nbsp;constructed&nbsp;of<br />
the&nbsp;form&nbsp;"<a href="threading.html#Thread" >Thread</a>-N"&nbsp;where&nbsp;N&nbsp;is&nbsp;a&nbsp;small&nbsp;decimal&nbsp;number.<br />
&nbsp;<br />
*args*&nbsp;is&nbsp;the&nbsp;argument&nbsp;tuple&nbsp;for&nbsp;the&nbsp;target&nbsp;invocation.&nbsp;Defaults&nbsp;to&nbsp;().<br />
&nbsp;<br />
*kwargs*&nbsp;is&nbsp;a&nbsp;dictionary&nbsp;of&nbsp;keyword&nbsp;arguments&nbsp;for&nbsp;the&nbsp;target<br />
invocation.&nbsp;Defaults&nbsp;to&nbsp;{}.<br />
&nbsp;<br />
If&nbsp;a&nbsp;subclass&nbsp;overrides&nbsp;the&nbsp;constructor,&nbsp;it&nbsp;must&nbsp;make&nbsp;sure&nbsp;to&nbsp;invoke<br />
the&nbsp;base&nbsp;class&nbsp;constructor&nbsp;(<a href="threading.html#Thread" >Thread</a>.<a href="#JoinThread-__init__" >__init__</a>())&nbsp;before&nbsp;doing&nbsp;anything<br />
else&nbsp;to&nbsp;the&nbsp;thread.</tt></dd></dl>
<dl ><dt ><a name="JoinThread-run" ><strong >run</strong></a>(self)</dt><dd ><tt >Method&nbsp;representing&nbsp;the&nbsp;thread's&nbsp;activity.<br />
&nbsp;<br />
You&nbsp;may&nbsp;override&nbsp;this&nbsp;method&nbsp;in&nbsp;a&nbsp;subclass.&nbsp;The&nbsp;standard&nbsp;<a href="#JoinThread-run" >run</a>()&nbsp;method<br />
invokes&nbsp;the&nbsp;callable&nbsp;object&nbsp;passed&nbsp;to&nbsp;the&nbsp;object's&nbsp;constructor&nbsp;as&nbsp;the<br />
target&nbsp;argument,&nbsp;if&nbsp;any,&nbsp;with&nbsp;sequential&nbsp;and&nbsp;keyword&nbsp;arguments&nbsp;taken<br />
from&nbsp;the&nbsp;args&nbsp;and&nbsp;kwargs&nbsp;arguments,&nbsp;respectively.</tt></dd></dl>
<hr />
Methods inherited from <a href="threading.html#Thread" >threading.Thread</a>:<br />
<dl ><dt ><a name="JoinThread-__repr__" ><strong >__repr__</strong></a>(self)</dt><dd ><tt >Return&nbsp;repr(self).</tt></dd></dl>
<dl ><dt ><a name="JoinThread-getName" ><strong >getName</strong></a>(self)</dt></dl>
<dl ><dt ><a name="JoinThread-isAlive" ><strong >isAlive</strong></a> = is_alive(self)</dt><dd ><tt >Return&nbsp;whether&nbsp;the&nbsp;thread&nbsp;is&nbsp;alive.<br />
&nbsp;<br />
This&nbsp;method&nbsp;returns&nbsp;True&nbsp;just&nbsp;before&nbsp;the&nbsp;<a href="#JoinThread-run" >run</a>()&nbsp;method&nbsp;starts&nbsp;until&nbsp;just<br />
after&nbsp;the&nbsp;<a href="#JoinThread-run" >run</a>()&nbsp;method&nbsp;terminates.&nbsp;The&nbsp;module&nbsp;function&nbsp;enumerate()<br />
returns&nbsp;a&nbsp;list&nbsp;of&nbsp;all&nbsp;alive&nbsp;threads.</tt></dd></dl>
<dl ><dt ><a name="JoinThread-isDaemon" ><strong >isDaemon</strong></a>(self)</dt></dl>
<dl ><dt ><a name="JoinThread-is_alive" ><strong >is_alive</strong></a>(self)</dt><dd ><tt >Return&nbsp;whether&nbsp;the&nbsp;thread&nbsp;is&nbsp;alive.<br />
&nbsp;<br />
This&nbsp;method&nbsp;returns&nbsp;True&nbsp;just&nbsp;before&nbsp;the&nbsp;<a href="#JoinThread-run" >run</a>()&nbsp;method&nbsp;starts&nbsp;until&nbsp;just<br />
after&nbsp;the&nbsp;<a href="#JoinThread-run" >run</a>()&nbsp;method&nbsp;terminates.&nbsp;The&nbsp;module&nbsp;function&nbsp;enumerate()<br />
returns&nbsp;a&nbsp;list&nbsp;of&nbsp;all&nbsp;alive&nbsp;threads.</tt></dd></dl>
<dl ><dt ><a name="JoinThread-join" ><strong >join</strong></a>(self, timeout=None)</dt><dd ><tt >Wait&nbsp;until&nbsp;the&nbsp;thread&nbsp;terminates.<br />
&nbsp;<br />
This&nbsp;blocks&nbsp;the&nbsp;calling&nbsp;thread&nbsp;until&nbsp;the&nbsp;thread&nbsp;whose&nbsp;<a href="#JoinThread-join" >join</a>()&nbsp;method&nbsp;is<br />
called&nbsp;terminates&nbsp;--&nbsp;either&nbsp;normally&nbsp;or&nbsp;through&nbsp;an&nbsp;unhandled&nbsp;exception<br />
or&nbsp;until&nbsp;the&nbsp;optional&nbsp;timeout&nbsp;occurs.<br />
&nbsp;<br />
When&nbsp;the&nbsp;timeout&nbsp;argument&nbsp;is&nbsp;present&nbsp;and&nbsp;not&nbsp;None,&nbsp;it&nbsp;should&nbsp;be&nbsp;a<br />
floating&nbsp;point&nbsp;number&nbsp;specifying&nbsp;a&nbsp;timeout&nbsp;for&nbsp;the&nbsp;operation&nbsp;in&nbsp;seconds<br />
(or&nbsp;fractions&nbsp;thereof).&nbsp;As&nbsp;<a href="#JoinThread-join" >join</a>()&nbsp;always&nbsp;returns&nbsp;None,&nbsp;you&nbsp;must&nbsp;call<br />
<a href="#JoinThread-isAlive" >isAlive</a>()&nbsp;after&nbsp;<a href="#JoinThread-join" >join</a>()&nbsp;to&nbsp;decide&nbsp;whether&nbsp;a&nbsp;timeout&nbsp;happened&nbsp;--&nbsp;if&nbsp;the<br />
thread&nbsp;is&nbsp;still&nbsp;alive,&nbsp;the&nbsp;<a href="#JoinThread-join" >join</a>()&nbsp;call&nbsp;timed&nbsp;out.<br />
&nbsp;<br />
When&nbsp;the&nbsp;timeout&nbsp;argument&nbsp;is&nbsp;not&nbsp;present&nbsp;or&nbsp;None,&nbsp;the&nbsp;operation&nbsp;will<br />
block&nbsp;until&nbsp;the&nbsp;thread&nbsp;terminates.<br />
&nbsp;<br />
A&nbsp;thread&nbsp;can&nbsp;be&nbsp;<a href="#JoinThread-join" >join</a>()ed&nbsp;many&nbsp;times.<br />
&nbsp;<br />
<a href="#JoinThread-join" >join</a>()&nbsp;raises&nbsp;a&nbsp;RuntimeError&nbsp;if&nbsp;an&nbsp;attempt&nbsp;is&nbsp;made&nbsp;to&nbsp;join&nbsp;the&nbsp;current<br />
thread&nbsp;as&nbsp;that&nbsp;would&nbsp;cause&nbsp;a&nbsp;deadlock.&nbsp;It&nbsp;is&nbsp;also&nbsp;an&nbsp;error&nbsp;to&nbsp;<a href="#JoinThread-join" >join</a>()&nbsp;a<br />
thread&nbsp;before&nbsp;it&nbsp;has&nbsp;been&nbsp;started&nbsp;and&nbsp;attempts&nbsp;to&nbsp;do&nbsp;so&nbsp;raises&nbsp;the&nbsp;same<br />
exception.</tt></dd></dl>
<dl ><dt ><a name="JoinThread-setDaemon" ><strong >setDaemon</strong></a>(self, daemonic)</dt></dl>
<dl ><dt ><a name="JoinThread-setName" ><strong >setName</strong></a>(self, name)</dt></dl>
<dl ><dt ><a name="JoinThread-start" ><strong >start</strong></a>(self)</dt><dd ><tt >Start&nbsp;the&nbsp;thread's&nbsp;activity.<br />
&nbsp;<br />
It&nbsp;must&nbsp;be&nbsp;called&nbsp;at&nbsp;most&nbsp;once&nbsp;per&nbsp;thread&nbsp;object.&nbsp;It&nbsp;arranges&nbsp;for&nbsp;the<br />
object's&nbsp;<a href="#JoinThread-run" >run</a>()&nbsp;method&nbsp;to&nbsp;be&nbsp;invoked&nbsp;in&nbsp;a&nbsp;separate&nbsp;thread&nbsp;of&nbsp;control.<br />
&nbsp;<br />
This&nbsp;method&nbsp;will&nbsp;raise&nbsp;a&nbsp;RuntimeError&nbsp;if&nbsp;called&nbsp;more&nbsp;than&nbsp;once&nbsp;on&nbsp;the<br />
same&nbsp;thread&nbsp;object.</tt></dd></dl>
<hr />
Data descriptors inherited from <a href="threading.html#Thread" >threading.Thread</a>:<br />
<dl ><dt ><strong >__dict__</strong></dt>
<dd ><tt >dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl ><dt ><strong >__weakref__</strong></dt>
<dd ><tt >list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl ><dt ><strong >daemon</strong></dt>
<dd ><tt >A&nbsp;boolean&nbsp;value&nbsp;indicating&nbsp;whether&nbsp;this&nbsp;thread&nbsp;is&nbsp;a&nbsp;daemon&nbsp;thread.<br />
&nbsp;<br />
This&nbsp;must&nbsp;be&nbsp;set&nbsp;before&nbsp;start()&nbsp;is&nbsp;called,&nbsp;otherwise&nbsp;RuntimeError&nbsp;is<br />
raised.&nbsp;Its&nbsp;initial&nbsp;value&nbsp;is&nbsp;inherited&nbsp;from&nbsp;the&nbsp;creating&nbsp;thread;&nbsp;the<br />
main&nbsp;thread&nbsp;is&nbsp;not&nbsp;a&nbsp;daemon&nbsp;thread&nbsp;and&nbsp;therefore&nbsp;all&nbsp;threads&nbsp;created&nbsp;in<br />
the&nbsp;main&nbsp;thread&nbsp;default&nbsp;to&nbsp;daemon&nbsp;=&nbsp;False.<br />
&nbsp;<br />
The&nbsp;entire&nbsp;Python&nbsp;program&nbsp;exits&nbsp;when&nbsp;no&nbsp;alive&nbsp;non-daemon&nbsp;threads&nbsp;are<br />
left.</tt></dd>
</dl>
<dl ><dt ><strong >ident</strong></dt>
<dd ><tt >Thread&nbsp;identifier&nbsp;of&nbsp;this&nbsp;thread&nbsp;or&nbsp;None&nbsp;if&nbsp;it&nbsp;has&nbsp;not&nbsp;been&nbsp;started.<br />
&nbsp;<br />
This&nbsp;is&nbsp;a&nbsp;nonzero&nbsp;integer.&nbsp;See&nbsp;the&nbsp;thread.get_ident()&nbsp;function.&nbsp;Thread<br />
identifiers&nbsp;may&nbsp;be&nbsp;recycled&nbsp;when&nbsp;a&nbsp;thread&nbsp;exits&nbsp;and&nbsp;another&nbsp;thread&nbsp;is<br />
created.&nbsp;The&nbsp;identifier&nbsp;is&nbsp;available&nbsp;even&nbsp;after&nbsp;the&nbsp;thread&nbsp;has&nbsp;exited.</tt></dd>
</dl>
<dl ><dt ><strong >name</strong></dt>
<dd ><tt >A&nbsp;string&nbsp;used&nbsp;for&nbsp;identification&nbsp;purposes&nbsp;only.<br />
&nbsp;<br />
It&nbsp;has&nbsp;no&nbsp;semantics.&nbsp;Multiple&nbsp;threads&nbsp;may&nbsp;be&nbsp;given&nbsp;the&nbsp;same&nbsp;name.&nbsp;The<br />
initial&nbsp;name&nbsp;is&nbsp;set&nbsp;by&nbsp;the&nbsp;constructor.</tt></dd>
</dl>
</td></tr></table> <p >
<table width="100%" cellspacing="0" cellpadding="2" border="0" summary="section" >
<tr bgcolor="#ffc8d8" >
<td colspan="3" valign="bottom" >&nbsp;<br />
<font color="#000000" face="helvetica, arial" ><a name="StoppableThread" >class <strong >StoppableThread</strong></a>(<a href="threading.html#Thread" >threading.Thread</a>)</font></td></tr>
<tr bgcolor="#ffc8d8" ><td rowspan="2" ><tt >&nbsp;&nbsp;&nbsp;</tt></td>
<td colspan="2" ><tt ><a href="#StoppableThread" >StoppableThread</a>&nbsp;-&nbsp;A&nbsp;thread&nbsp;that&nbsp;can&nbsp;be&nbsp;stopped&nbsp;by&nbsp;forcing&nbsp;an&nbsp;exception&nbsp;in&nbsp;the&nbsp;execution&nbsp;context.<br />&nbsp;</tt></td></tr>
<tr ><td >&nbsp;</td>
<td width="100%" ><dl ><dt >Method resolution order:</dt>
<dd ><a href="func_timeout.StoppableThread.html#StoppableThread" >StoppableThread</a></dd>
<dd ><a href="threading.html#Thread" >threading.Thread</a></dd>
<dd ><a href="builtins.html#object" >builtins.object</a></dd>
</dl>
<hr />
Methods inherited from <a href="threading.html#Thread" >threading.Thread</a>:<br />
<dl ><dt ><a name="StoppableThread-__init__" ><strong >__init__</strong></a>(self, group=None, target=None, name=None, args=(), kwargs=None, *, daemon=None)</dt><dd ><tt >This&nbsp;constructor&nbsp;should&nbsp;always&nbsp;be&nbsp;called&nbsp;with&nbsp;keyword&nbsp;arguments.&nbsp;Arguments&nbsp;are:<br />
&nbsp;<br />
*group*&nbsp;should&nbsp;be&nbsp;None;&nbsp;reserved&nbsp;for&nbsp;future&nbsp;extension&nbsp;when&nbsp;a&nbsp;ThreadGroup<br />
class&nbsp;is&nbsp;implemented.<br />
&nbsp;<br />
*target*&nbsp;is&nbsp;the&nbsp;callable&nbsp;object&nbsp;to&nbsp;be&nbsp;invoked&nbsp;by&nbsp;the&nbsp;<a href="#StoppableThread-run" >run</a>()<br />
method.&nbsp;Defaults&nbsp;to&nbsp;None,&nbsp;meaning&nbsp;nothing&nbsp;is&nbsp;called.<br />
&nbsp;<br />
*name*&nbsp;is&nbsp;the&nbsp;thread&nbsp;name.&nbsp;By&nbsp;default,&nbsp;a&nbsp;unique&nbsp;name&nbsp;is&nbsp;constructed&nbsp;of<br />
the&nbsp;form&nbsp;"<a href="threading.html#Thread" >Thread</a>-N"&nbsp;where&nbsp;N&nbsp;is&nbsp;a&nbsp;small&nbsp;decimal&nbsp;number.<br />
&nbsp;<br />
*args*&nbsp;is&nbsp;the&nbsp;argument&nbsp;tuple&nbsp;for&nbsp;the&nbsp;target&nbsp;invocation.&nbsp;Defaults&nbsp;to&nbsp;().<br />
&nbsp;<br />
*kwargs*&nbsp;is&nbsp;a&nbsp;dictionary&nbsp;of&nbsp;keyword&nbsp;arguments&nbsp;for&nbsp;the&nbsp;target<br />
invocation.&nbsp;Defaults&nbsp;to&nbsp;{}.<br />
&nbsp;<br />
If&nbsp;a&nbsp;subclass&nbsp;overrides&nbsp;the&nbsp;constructor,&nbsp;it&nbsp;must&nbsp;make&nbsp;sure&nbsp;to&nbsp;invoke<br />
the&nbsp;base&nbsp;class&nbsp;constructor&nbsp;(<a href="threading.html#Thread" >Thread</a>.<a href="#StoppableThread-__init__" >__init__</a>())&nbsp;before&nbsp;doing&nbsp;anything<br />
else&nbsp;to&nbsp;the&nbsp;thread.</tt></dd></dl>
<dl ><dt ><a name="StoppableThread-__repr__" ><strong >__repr__</strong></a>(self)</dt><dd ><tt >Return&nbsp;repr(self).</tt></dd></dl>
<dl ><dt ><a name="StoppableThread-getName" ><strong >getName</strong></a>(self)</dt></dl>
<dl ><dt ><a name="StoppableThread-isAlive" ><strong >isAlive</strong></a> = is_alive(self)</dt><dd ><tt >Return&nbsp;whether&nbsp;the&nbsp;thread&nbsp;is&nbsp;alive.<br />
&nbsp;<br />
This&nbsp;method&nbsp;returns&nbsp;True&nbsp;just&nbsp;before&nbsp;the&nbsp;<a href="#StoppableThread-run" >run</a>()&nbsp;method&nbsp;starts&nbsp;until&nbsp;just<br />
after&nbsp;the&nbsp;<a href="#StoppableThread-run" >run</a>()&nbsp;method&nbsp;terminates.&nbsp;The&nbsp;module&nbsp;function&nbsp;enumerate()<br />
returns&nbsp;a&nbsp;list&nbsp;of&nbsp;all&nbsp;alive&nbsp;threads.</tt></dd></dl>
<dl ><dt ><a name="StoppableThread-isDaemon" ><strong >isDaemon</strong></a>(self)</dt></dl>
<dl ><dt ><a name="StoppableThread-is_alive" ><strong >is_alive</strong></a>(self)</dt><dd ><tt >Return&nbsp;whether&nbsp;the&nbsp;thread&nbsp;is&nbsp;alive.<br />
&nbsp;<br />
This&nbsp;method&nbsp;returns&nbsp;True&nbsp;just&nbsp;before&nbsp;the&nbsp;<a href="#StoppableThread-run" >run</a>()&nbsp;method&nbsp;starts&nbsp;until&nbsp;just<br />
after&nbsp;the&nbsp;<a href="#StoppableThread-run" >run</a>()&nbsp;method&nbsp;terminates.&nbsp;The&nbsp;module&nbsp;function&nbsp;enumerate()<br />
returns&nbsp;a&nbsp;list&nbsp;of&nbsp;all&nbsp;alive&nbsp;threads.</tt></dd></dl>
<dl ><dt ><a name="StoppableThread-join" ><strong >join</strong></a>(self, timeout=None)</dt><dd ><tt >Wait&nbsp;until&nbsp;the&nbsp;thread&nbsp;terminates.<br />
&nbsp;<br />
This&nbsp;blocks&nbsp;the&nbsp;calling&nbsp;thread&nbsp;until&nbsp;the&nbsp;thread&nbsp;whose&nbsp;<a href="#StoppableThread-join" >join</a>()&nbsp;method&nbsp;is<br />
called&nbsp;terminates&nbsp;--&nbsp;either&nbsp;normally&nbsp;or&nbsp;through&nbsp;an&nbsp;unhandled&nbsp;exception<br />
or&nbsp;until&nbsp;the&nbsp;optional&nbsp;timeout&nbsp;occurs.<br />
&nbsp;<br />
When&nbsp;the&nbsp;timeout&nbsp;argument&nbsp;is&nbsp;present&nbsp;and&nbsp;not&nbsp;None,&nbsp;it&nbsp;should&nbsp;be&nbsp;a<br />
floating&nbsp;point&nbsp;number&nbsp;specifying&nbsp;a&nbsp;timeout&nbsp;for&nbsp;the&nbsp;operation&nbsp;in&nbsp;seconds<br />
(or&nbsp;fractions&nbsp;thereof).&nbsp;As&nbsp;<a href="#StoppableThread-join" >join</a>()&nbsp;always&nbsp;returns&nbsp;None,&nbsp;you&nbsp;must&nbsp;call<br />
<a href="#StoppableThread-isAlive" >isAlive</a>()&nbsp;after&nbsp;<a href="#StoppableThread-join" >join</a>()&nbsp;to&nbsp;decide&nbsp;whether&nbsp;a&nbsp;timeout&nbsp;happened&nbsp;--&nbsp;if&nbsp;the<br />
thread&nbsp;is&nbsp;still&nbsp;alive,&nbsp;the&nbsp;<a href="#StoppableThread-join" >join</a>()&nbsp;call&nbsp;timed&nbsp;out.<br />
&nbsp;<br />
When&nbsp;the&nbsp;timeout&nbsp;argument&nbsp;is&nbsp;not&nbsp;present&nbsp;or&nbsp;None,&nbsp;the&nbsp;operation&nbsp;will<br />
block&nbsp;until&nbsp;the&nbsp;thread&nbsp;terminates.<br />
&nbsp;<br />
A&nbsp;thread&nbsp;can&nbsp;be&nbsp;<a href="#StoppableThread-join" >join</a>()ed&nbsp;many&nbsp;times.<br />
&nbsp;<br />
<a href="#StoppableThread-join" >join</a>()&nbsp;raises&nbsp;a&nbsp;RuntimeError&nbsp;if&nbsp;an&nbsp;attempt&nbsp;is&nbsp;made&nbsp;to&nbsp;join&nbsp;the&nbsp;current<br />
thread&nbsp;as&nbsp;that&nbsp;would&nbsp;cause&nbsp;a&nbsp;deadlock.&nbsp;It&nbsp;is&nbsp;also&nbsp;an&nbsp;error&nbsp;to&nbsp;<a href="#StoppableThread-join" >join</a>()&nbsp;a<br />
thread&nbsp;before&nbsp;it&nbsp;has&nbsp;been&nbsp;started&nbsp;and&nbsp;attempts&nbsp;to&nbsp;do&nbsp;so&nbsp;raises&nbsp;the&nbsp;same<br />
exception.</tt></dd></dl>
<dl ><dt ><a name="StoppableThread-run" ><strong >run</strong></a>(self)</dt><dd ><tt >Method&nbsp;representing&nbsp;the&nbsp;thread's&nbsp;activity.<br />
&nbsp;<br />
You&nbsp;may&nbsp;override&nbsp;this&nbsp;method&nbsp;in&nbsp;a&nbsp;subclass.&nbsp;The&nbsp;standard&nbsp;<a href="#StoppableThread-run" >run</a>()&nbsp;method<br />
invokes&nbsp;the&nbsp;callable&nbsp;object&nbsp;passed&nbsp;to&nbsp;the&nbsp;object's&nbsp;constructor&nbsp;as&nbsp;the<br />
target&nbsp;argument,&nbsp;if&nbsp;any,&nbsp;with&nbsp;sequential&nbsp;and&nbsp;keyword&nbsp;arguments&nbsp;taken<br />
from&nbsp;the&nbsp;args&nbsp;and&nbsp;kwargs&nbsp;arguments,&nbsp;respectively.</tt></dd></dl>
<dl ><dt ><a name="StoppableThread-setDaemon" ><strong >setDaemon</strong></a>(self, daemonic)</dt></dl>
<dl ><dt ><a name="StoppableThread-setName" ><strong >setName</strong></a>(self, name)</dt></dl>
<dl ><dt ><a name="StoppableThread-start" ><strong >start</strong></a>(self)</dt><dd ><tt >Start&nbsp;the&nbsp;thread's&nbsp;activity.<br />
&nbsp;<br />
It&nbsp;must&nbsp;be&nbsp;called&nbsp;at&nbsp;most&nbsp;once&nbsp;per&nbsp;thread&nbsp;object.&nbsp;It&nbsp;arranges&nbsp;for&nbsp;the<br />
object's&nbsp;<a href="#StoppableThread-run" >run</a>()&nbsp;method&nbsp;to&nbsp;be&nbsp;invoked&nbsp;in&nbsp;a&nbsp;separate&nbsp;thread&nbsp;of&nbsp;control.<br />
&nbsp;<br />
This&nbsp;method&nbsp;will&nbsp;raise&nbsp;a&nbsp;RuntimeError&nbsp;if&nbsp;called&nbsp;more&nbsp;than&nbsp;once&nbsp;on&nbsp;the<br />
same&nbsp;thread&nbsp;object.</tt></dd></dl>
<hr />
Data descriptors inherited from <a href="threading.html#Thread" >threading.Thread</a>:<br />
<dl ><dt ><strong >__dict__</strong></dt>
<dd ><tt >dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl ><dt ><strong >__weakref__</strong></dt>
<dd ><tt >list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl ><dt ><strong >daemon</strong></dt>
<dd ><tt >A&nbsp;boolean&nbsp;value&nbsp;indicating&nbsp;whether&nbsp;this&nbsp;thread&nbsp;is&nbsp;a&nbsp;daemon&nbsp;thread.<br />
&nbsp;<br />
This&nbsp;must&nbsp;be&nbsp;set&nbsp;before&nbsp;start()&nbsp;is&nbsp;called,&nbsp;otherwise&nbsp;RuntimeError&nbsp;is<br />
raised.&nbsp;Its&nbsp;initial&nbsp;value&nbsp;is&nbsp;inherited&nbsp;from&nbsp;the&nbsp;creating&nbsp;thread;&nbsp;the<br />
main&nbsp;thread&nbsp;is&nbsp;not&nbsp;a&nbsp;daemon&nbsp;thread&nbsp;and&nbsp;therefore&nbsp;all&nbsp;threads&nbsp;created&nbsp;in<br />
the&nbsp;main&nbsp;thread&nbsp;default&nbsp;to&nbsp;daemon&nbsp;=&nbsp;False.<br />
&nbsp;<br />
The&nbsp;entire&nbsp;Python&nbsp;program&nbsp;exits&nbsp;when&nbsp;no&nbsp;alive&nbsp;non-daemon&nbsp;threads&nbsp;are<br />
left.</tt></dd>
</dl>
<dl ><dt ><strong >ident</strong></dt>
<dd ><tt >Thread&nbsp;identifier&nbsp;of&nbsp;this&nbsp;thread&nbsp;or&nbsp;None&nbsp;if&nbsp;it&nbsp;has&nbsp;not&nbsp;been&nbsp;started.<br />
&nbsp;<br />
This&nbsp;is&nbsp;a&nbsp;nonzero&nbsp;integer.&nbsp;See&nbsp;the&nbsp;thread.get_ident()&nbsp;function.&nbsp;Thread<br />
identifiers&nbsp;may&nbsp;be&nbsp;recycled&nbsp;when&nbsp;a&nbsp;thread&nbsp;exits&nbsp;and&nbsp;another&nbsp;thread&nbsp;is<br />
created.&nbsp;The&nbsp;identifier&nbsp;is&nbsp;available&nbsp;even&nbsp;after&nbsp;the&nbsp;thread&nbsp;has&nbsp;exited.</tt></dd>
</dl>
<dl ><dt ><strong >name</strong></dt>
<dd ><tt >A&nbsp;string&nbsp;used&nbsp;for&nbsp;identification&nbsp;purposes&nbsp;only.<br />
&nbsp;<br />
It&nbsp;has&nbsp;no&nbsp;semantics.&nbsp;Multiple&nbsp;threads&nbsp;may&nbsp;be&nbsp;given&nbsp;the&nbsp;same&nbsp;name.&nbsp;The<br />
initial&nbsp;name&nbsp;is&nbsp;set&nbsp;by&nbsp;the&nbsp;constructor.</tt></dd>
</dl>
</td></tr></table></p></p></td></tr></table><p >
<table width="100%" cellspacing="0" cellpadding="2" border="0" summary="section" >
<tr bgcolor="#55aa55" >
<td colspan="3" valign="bottom" >&nbsp;<br />
<font color="#ffffff" face="helvetica, arial" ><big ><strong >Data</strong></big></font></td></tr>
<tr ><td bgcolor="#55aa55" ><tt >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td >&nbsp;</td>
<td width="100%" ><strong >__all__</strong> = ('StoppableThread', 'JoinThread')</td></tr></table>
</p></p></p></body></html>