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bb.event: NotHandled and Handled are on the way out

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(Bitbake rev: ed35b30f8e09b0bfc15102fa6483c55d6b7d61de)

Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
This commit is contained in:
Chris Larson
2010-04-08 16:30:52 -07:00
committed by Richard Purdie
parent 0d25a516b4
commit ac170b0c34
2 changed files with 7 additions and 5 deletions
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4
bitbake/doc/manual/usermanual.xml
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@@ -215,13 +215,11 @@ addtask printdate before do_build</screen></para>
<para>BitBake allows to install event handlers. Events are triggered at certain points during operation, such as, the beginning of operation against a given .bb, the start of a given task, task failure, task success, et cetera. The intent was to make it easy to do things like email notifications on build failure.</para> <para>BitBake allows to install event handlers. Events are triggered at certain points during operation, such as, the beginning of operation against a given .bb, the start of a given task, task failure, task success, et cetera. The intent was to make it easy to do things like email notifications on build failure.</para>
<para><screen>addhandler myclass_eventhandler <para><screen>addhandler myclass_eventhandler
python myclass_eventhandler() { python myclass_eventhandler() {
from bb.event import NotHandled, getName from bb.event import getName
from bb import data from bb import data
print "The name of the Event is %s" % getName(e) print "The name of the Event is %s" % getName(e)
print "The file we run for is %s" % data.getVar('FILE', e.data, True) print "The file we run for is %s" % data.getVar('FILE', e.data, True)
return NotHandled
} }
</screen></para><para> </screen></para><para>
This event handler gets called every time an event is triggered. A global variable <varname>e</varname> is defined. <varname>e</varname>.data contains an instance of bb.data. With the getName(<varname>e</varname>) This event handler gets called every time an event is triggered. A global variable <varname>e</varname> is defined. <varname>e</varname>.data contains an instance of bb.data. With the getName(<varname>e</varname>)

8
bitbake/lib/bb/event.py
View File

@@ -23,6 +23,7 @@ BitBake build tools.
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import os, re, sys import os, re, sys
import warnings
import bb.utils import bb.utils
import pickle import pickle
@@ -38,7 +39,7 @@ class Event:
self.pid = worker_pid self.pid = worker_pid
NotHandled = 0 NotHandled = 0
Handled = 1 Handled = 1
Registered = 10 Registered = 10
AlreadyRegistered = 14 AlreadyRegistered = 14
@@ -59,7 +60,10 @@ def fire_class_handlers(event, d):
if type(h).__name__ == "code": if type(h).__name__ == "code":
locals = {"e": event} locals = {"e": event}
bb.utils.simple_exec(h, locals) bb.utils.simple_exec(h, locals)
bb.utils.better_eval("tmpHandler(e)", locals) ret = bb.utils.better_eval("tmpHandler(e)", locals)
if ret is not None:
warnings.warn("Using Handled/NotHandled in event handlers is deprecated",
DeprecationWarning, stacklevel = 2)
else: else:
h(event) h(event)
del event.data del event.data