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Diffstat (limited to 'bitbake-dev/lib/bb/command.py')
| -rw-r--r-- | bitbake-dev/lib/bb/command.py | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/bitbake-dev/lib/bb/command.py b/bitbake-dev/lib/bb/command.py deleted file mode 100644 index 2bb5365c0c..0000000000 --- a/bitbake-dev/lib/bb/command.py +++ /dev/null @@ -1,271 +0,0 @@ -""" -BitBake 'Command' module - -Provide an interface to interact with the bitbake server through 'commands' -""" - -# Copyright (C) 2006-2007 Richard Purdie -# -# 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. - -""" -The bitbake server takes 'commands' from its UI/commandline. -Commands are either synchronous or asynchronous. -Async commands return data to the client in the form of events. -Sync commands must only return data through the function return value -and must not trigger events, directly or indirectly. -Commands are queued in a CommandQueue -""" - -import bb - -async_cmds = {} -sync_cmds = {} - -class Command: - """ - A queue of asynchronous commands for bitbake - """ - def __init__(self, cooker): - - self.cooker = cooker - self.cmds_sync = CommandsSync() - self.cmds_async = CommandsAsync() - - # FIXME Add lock for this - self.currentAsyncCommand = None - - for attr in CommandsSync.__dict__: - command = attr[:].lower() - method = getattr(CommandsSync, attr) - sync_cmds[command] = (method) - - for attr in CommandsAsync.__dict__: - command = attr[:].lower() - method = getattr(CommandsAsync, attr) - async_cmds[command] = (method) - - def runCommand(self, commandline): - try: - command = commandline.pop(0) - if command in CommandsSync.__dict__: - # Can run synchronous commands straight away - return getattr(CommandsSync, command)(self.cmds_sync, self, commandline) - if self.currentAsyncCommand is not None: - return "Busy (%s in progress)" % self.currentAsyncCommand[0] - if command not in CommandsAsync.__dict__: - return "No such command" - self.currentAsyncCommand = (command, commandline) - self.cooker.server.register_idle_function(self.cooker.runCommands, self.cooker) - return True - except: - import traceback - return traceback.format_exc() - - def runAsyncCommand(self): - try: - if self.currentAsyncCommand is not None: - (command, options) = self.currentAsyncCommand - commandmethod = getattr(CommandsAsync, command) - needcache = getattr( commandmethod, "needcache" ) - if needcache and self.cooker.cookerState != bb.cooker.cookerParsed: - self.cooker.updateCache() - return True - else: - commandmethod(self.cmds_async, self, options) - return False - else: - return False - except: - import traceback - self.finishAsyncCommand(traceback.format_exc()) - return False - - def finishAsyncCommand(self, error = None): - if error: - bb.event.fire(bb.command.CookerCommandFailed(error), self.cooker.configuration.event_data) - else: - bb.event.fire(bb.command.CookerCommandCompleted(), self.cooker.configuration.event_data) - self.currentAsyncCommand = None - - -class CommandsSync: - """ - A class of synchronous commands - These should run quickly so as not to hurt interactive performance. - These must not influence any running synchronous command. - """ - - def stateShutdown(self, command, params): - """ - Trigger cooker 'shutdown' mode - """ - command.cooker.cookerAction = bb.cooker.cookerShutdown - - def stateStop(self, command, params): - """ - Stop the cooker - """ - command.cooker.cookerAction = bb.cooker.cookerStop - - def getCmdLineAction(self, command, params): - """ - Get any command parsed from the commandline - """ - return command.cooker.commandlineAction - - def getVariable(self, command, params): - """ - Read the value of a variable from configuration.data - """ - varname = params[0] - expand = True - if len(params) > 1: - expand = params[1] - - return bb.data.getVar(varname, command.cooker.configuration.data, expand) - - def setVariable(self, command, params): - """ - Set the value of variable in configuration.data - """ - varname = params[0] - value = params[1] - bb.data.setVar(varname, value, command.cooker.configuration.data) - - -class CommandsAsync: - """ - A class of asynchronous commands - These functions communicate via generated events. - Any function that requires metadata parsing should be here. - """ - - def buildFile(self, command, params): - """ - Build a single specified .bb file - """ - bfile = params[0] - task = params[1] - - command.cooker.buildFile(bfile, task) - buildFile.needcache = False - - def buildTargets(self, command, params): - """ - Build a set of targets - """ - pkgs_to_build = params[0] - task = params[1] - - command.cooker.buildTargets(pkgs_to_build, task) - buildTargets.needcache = True - - def generateDepTreeEvent(self, command, params): - """ - Generate an event containing the dependency information - """ - pkgs_to_build = params[0] - task = params[1] - - command.cooker.generateDepTreeEvent(pkgs_to_build, task) - command.finishAsyncCommand() - generateDepTreeEvent.needcache = True - - def generateDotGraph(self, command, params): - """ - Dump dependency information to disk as .dot files - """ - pkgs_to_build = params[0] - task = params[1] - - command.cooker.generateDotGraphFiles(pkgs_to_build, task) - command.finishAsyncCommand() - generateDotGraph.needcache = True - - def showVersions(self, command, params): - """ - Show the currently selected versions - """ - command.cooker.showVersions() - command.finishAsyncCommand() - showVersions.needcache = True - - def showEnvironmentTarget(self, command, params): - """ - Print the environment of a target recipe - (needs the cache to work out which recipe to use) - """ - pkg = params[0] - - command.cooker.showEnvironment(None, pkg) - command.finishAsyncCommand() - showEnvironmentTarget.needcache = True - - def showEnvironment(self, command, params): - """ - Print the standard environment - or if specified the environment for a specified recipe - """ - bfile = params[0] - - command.cooker.showEnvironment(bfile) - command.finishAsyncCommand() - showEnvironment.needcache = False - - def parseFiles(self, command, params): - """ - Parse the .bb files - """ - command.cooker.updateCache() - command.finishAsyncCommand() - parseFiles.needcache = True - - def compareRevisions(self, command, params): - """ - Parse the .bb files - """ - command.cooker.compareRevisions() - command.finishAsyncCommand() - compareRevisions.needcache = True - -# -# Events -# -class CookerCommandCompleted(bb.event.Event): - """ - Cooker command completed - """ - def __init__(self): - bb.event.Event.__init__(self) - - -class CookerCommandFailed(bb.event.Event): - """ - Cooker command completed - """ - def __init__(self, error): - bb.event.Event.__init__(self) - self.error = error - -class CookerCommandSetExitCode(bb.event.Event): - """ - Set the exit code for a cooker command - """ - def __init__(self, exitcode): - bb.event.Event.__init__(self) - self.exitcode = int(exitcode) - - - |