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author | Richard Purdie <richard@openedhand.com> | 2008-09-30 15:08:33 +0000 |
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committer | Richard Purdie <richard@openedhand.com> | 2008-09-30 15:08:33 +0000 |
commit | c30eddb243e7e65f67f656e62848a033cf6f2e5c (patch) | |
tree | 110dd95788b76f55d31cb8d30aac2de8400b6f4a /bitbake-dev/lib/bb/event.py | |
parent | 5ef0510474004eeb2ae8a99b64e2febb1920e077 (diff) | |
download | openembedded-core-c30eddb243e7e65f67f656e62848a033cf6f2e5c.tar.gz openembedded-core-c30eddb243e7e65f67f656e62848a033cf6f2e5c.tar.bz2 openembedded-core-c30eddb243e7e65f67f656e62848a033cf6f2e5c.zip |
Add bitbake-dev to allow ease of testing and development of bitbake trunk
git-svn-id: https://svn.o-hand.com/repos/poky/trunk@5337 311d38ba-8fff-0310-9ca6-ca027cbcb966
Diffstat (limited to 'bitbake-dev/lib/bb/event.py')
-rw-r--r-- | bitbake-dev/lib/bb/event.py | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/bitbake-dev/lib/bb/event.py b/bitbake-dev/lib/bb/event.py new file mode 100644 index 0000000000..c13a0127a5 --- /dev/null +++ b/bitbake-dev/lib/bb/event.py @@ -0,0 +1,302 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +""" +BitBake 'Event' implementation + +Classes and functions for manipulating 'events' in the +BitBake build tools. +""" + +# Copyright (C) 2003, 2004 Chris Larson +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +import os, re +import bb.utils + +class Event: + """Base class for events""" + type = "Event" + + def __init__(self, d): + self._data = d + + def getData(self): + return self._data + + def setData(self, data): + self._data = data + + data = property(getData, setData, None, "data property") + +NotHandled = 0 +Handled = 1 + +Registered = 10 +AlreadyRegistered = 14 + +# Internal +_handlers = {} +_ui_handlers = {} +_ui_handler_seq = 0 + +def fire(event): + """Fire off an Event""" + + for handler in _handlers: + h = _handlers[handler] + if type(h).__name__ == "code": + exec(h) + tmpHandler(event) + else: + h(event) + + # Remove the event data elements for UI handlers - too much data otherwise + # They can request data if they need it + event.data = None + event._data = None + + errors = [] + for h in _ui_handlers: + #print "Sending event %s" % event + classid = "%s.%s" % (event.__class__.__module__, event.__class__.__name__) + try: + _ui_handlers[h].event.send((classid, event)) + except: + errors.append(h) + for h in errors: + del _ui_handlers[h] + +def register(name, handler): + """Register an Event handler""" + + # already registered + if name in _handlers: + return AlreadyRegistered + + if handler is not None: + # handle string containing python code + if type(handler).__name__ == "str": + tmp = "def tmpHandler(e):\n%s" % handler + comp = bb.utils.better_compile(tmp, "tmpHandler(e)", "bb.event._registerCode") + _handlers[name] = comp + else: + _handlers[name] = handler + + return Registered + +def remove(name, handler): + """Remove an Event handler""" + _handlers.pop(name) + +def register_UIHhandler(handler): + bb.event._ui_handler_seq = bb.event._ui_handler_seq + 1 + _ui_handlers[_ui_handler_seq] = handler + return _ui_handler_seq + +def unregister_UIHhandler(handlerNum): + if handlerNum in _ui_handlers: + del _ui_handlers[handlerNum] + return + +def getName(e): + """Returns the name of a class or class instance""" + if getattr(e, "__name__", None) == None: + return e.__class__.__name__ + else: + return e.__name__ + +class ConfigParsed(Event): + """Configuration Parsing Complete""" + +class StampUpdate(Event): + """Trigger for any adjustment of the stamp files to happen""" + + def __init__(self, targets, stampfns, d): + self._targets = targets + self._stampfns = stampfns + Event.__init__(self, d) + + def getStampPrefix(self): + return self._stampfns + + def getTargets(self): + return self._targets + + stampPrefix = property(getStampPrefix) + targets = property(getTargets) + +class PkgBase(Event): + """Base class for package events""" + + def __init__(self, t, d): + self._pkg = t + Event.__init__(self, d) + self._message = "package %s: %s" % (bb.data.getVar("P", d, 1), getName(self)[3:]) + + def getPkg(self): + return self._pkg + + def setPkg(self, pkg): + self._pkg = pkg + + pkg = property(getPkg, setPkg, None, "pkg property") + + +class BuildBase(Event): + """Base class for bbmake run events""" + + def __init__(self, n, p, c, failures = 0): + self._name = n + self._pkgs = p + Event.__init__(self, c) + self._failures = failures + + def getPkgs(self): + return self._pkgs + + def setPkgs(self, pkgs): + self._pkgs = pkgs + + def getName(self): + return self._name + + def setName(self, name): + self._name = name + + def getCfg(self): + return self.data + + def setCfg(self, cfg): + self.data = cfg + + def getFailures(self): + """ + Return the number of failed packages + """ + return self._failures + + pkgs = property(getPkgs, setPkgs, None, "pkgs property") + name = property(getName, setName, None, "name property") + cfg = property(getCfg, setCfg, None, "cfg property") + + +class DepBase(PkgBase): + """Base class for dependency events""" + + def __init__(self, t, data, d): + self._dep = d + PkgBase.__init__(self, t, data) + + def getDep(self): + return self._dep + + def setDep(self, dep): + self._dep = dep + + dep = property(getDep, setDep, None, "dep property") + + +class PkgStarted(PkgBase): + """Package build started""" + + +class PkgFailed(PkgBase): + """Package build failed""" + + +class PkgSucceeded(PkgBase): + """Package build completed""" + + +class BuildStarted(BuildBase): + """bbmake build run started""" + + +class BuildCompleted(BuildBase): + """bbmake build run completed""" + + +class UnsatisfiedDep(DepBase): + """Unsatisfied Dependency""" + + +class RecursiveDep(DepBase): + """Recursive Dependency""" + +class NoProvider(Event): + """No Provider for an Event""" + + def __init__(self, item, data, runtime=False): + Event.__init__(self, data) + self._item = item + self._runtime = runtime + + def getItem(self): + return self._item + + def isRuntime(self): + return self._runtime + +class MultipleProviders(Event): + """Multiple Providers""" + + def __init__(self, item, candidates, data, runtime = False): + Event.__init__(self, data) + self._item = item + self._candidates = candidates + self._is_runtime = runtime + + def isRuntime(self): + """ + Is this a runtime issue? + """ + return self._is_runtime + + def getItem(self): + """ + The name for the to be build item + """ + return self._item + + def getCandidates(self): + """ + Get the possible Candidates for a PROVIDER. + """ + return self._candidates + +class ParseProgress(Event): + """ + Parsing Progress Event + """ + + def __init__(self, d, cached, parsed, skipped, masked, errors, total): + Event.__init__(self, d) + self.cached = cached + self.parsed = parsed + self.skipped = skipped + self.masked = masked + self.errors = errors + self.sofar = cached + parsed + skipped + self.total = total + +class DepTreeGenerated(Event): + """ + Event when a dependency tree has been generated + """ + + def __init__(self, d, depgraph): + Event.__init__(self, d) + self._depgraph = depgraph + |