284 lines
6.8 KiB
Python
284 lines
6.8 KiB
Python
# 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 = []
|
|
_handlers_dict = {}
|
|
|
|
def tmpHandler(event):
|
|
"""Default handler for code events"""
|
|
return NotHandled
|
|
|
|
def defaultTmpHandler():
|
|
tmp = "def tmpHandler(e):\n\t\"\"\"heh\"\"\"\n\treturn NotHandled"
|
|
comp = bb.utils.better_compile(tmp, "tmpHandler(e)", "bb.event.defaultTmpHandler")
|
|
return comp
|
|
|
|
def fire(event):
|
|
"""Fire off an Event"""
|
|
for h in _handlers:
|
|
if type(h).__name__ == "code":
|
|
exec(h)
|
|
if tmpHandler(event) == Handled:
|
|
return Handled
|
|
else:
|
|
if h(event) == Handled:
|
|
return Handled
|
|
return NotHandled
|
|
|
|
def register(name, handler):
|
|
"""Register an Event handler"""
|
|
|
|
# already registered
|
|
if name in _handlers_dict:
|
|
return AlreadyRegistered
|
|
|
|
if handler is not None:
|
|
# handle string containing python code
|
|
if type(handler).__name__ == "str":
|
|
_registerCode(handler)
|
|
else:
|
|
_handlers.append(handler)
|
|
|
|
_handlers_dict[name] = 1
|
|
return Registered
|
|
|
|
def _registerCode(handlerStr):
|
|
"""Register a 'code' Event.
|
|
Deprecated interface; call register instead.
|
|
|
|
Expects to be passed python code as a string, which will
|
|
be passed in turn to compile() and then exec(). Note that
|
|
the code will be within a function, so should have had
|
|
appropriate tabbing put in place."""
|
|
tmp = "def tmpHandler(e):\n%s" % handlerStr
|
|
comp = bb.utils.better_compile(tmp, "tmpHandler(e)", "bb.event._registerCode")
|
|
# prevent duplicate registration
|
|
_handlers.append(comp)
|
|
|
|
def remove(name, handler):
|
|
"""Remove an Event handler"""
|
|
|
|
_handlers_dict.pop(name)
|
|
if type(handler).__name__ == "str":
|
|
return _removeCode(handler)
|
|
else:
|
|
_handlers.remove(handler)
|
|
|
|
def _removeCode(handlerStr):
|
|
"""Remove a 'code' Event handler
|
|
Deprecated interface; call remove instead."""
|
|
tmp = "def tmpHandler(e):\n%s" % handlerStr
|
|
comp = bb.utils.better_compile(tmp, "tmpHandler(e)", "bb.event._removeCode")
|
|
_handlers.remove(comp)
|
|
|
|
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)
|
|
|
|
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
|