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
+