# tinfoil: a simple wrapper around cooker for bitbake-based command-line utilities # # Copyright (C) 2012-2017 Intel Corporation # Copyright (C) 2011 Mentor Graphics Corporation # Copyright (C) 2006-2012 Richard Purdie # # SPDX-License-Identifier: GPL-2.0-only # import logging import os import sys import atexit import re from collections import OrderedDict, defaultdict from functools import partial import bb.cache import bb.cooker import bb.providers import bb.taskdata import bb.utils import bb.command import bb.remotedata from bb.main import setup_bitbake, BitBakeConfigParameters import bb.fetch2 # We need this in order to shut down the connection to the bitbake server, # otherwise the process will never properly exit _server_connections = [] def _terminate_connections(): for connection in _server_connections: connection.terminate() atexit.register(_terminate_connections) class TinfoilUIException(Exception): """Exception raised when the UI returns non-zero from its main function""" def __init__(self, returncode): self.returncode = returncode def __repr__(self): return 'UI module main returned %d' % self.returncode class TinfoilCommandFailed(Exception): """Exception raised when run_command fails""" class TinfoilDataStoreConnectorVarHistory: def __init__(self, tinfoil, dsindex): self.tinfoil = tinfoil self.dsindex = dsindex def remoteCommand(self, cmd, *args, **kwargs): return self.tinfoil.run_command('dataStoreConnectorVarHistCmd', self.dsindex, cmd, args, kwargs) def __getattr__(self, name): if not hasattr(bb.data_smart.VariableHistory, name): raise AttributeError("VariableHistory has no such method %s" % name) newfunc = partial(self.remoteCommand, name) setattr(self, name, newfunc) return newfunc class TinfoilDataStoreConnectorIncHistory: def __init__(self, tinfoil, dsindex): self.tinfoil = tinfoil self.dsindex = dsindex def remoteCommand(self, cmd, *args, **kwargs): return self.tinfoil.run_command('dataStoreConnectorIncHistCmd', self.dsindex, cmd, args, kwargs) def __getattr__(self, name): if not hasattr(bb.data_smart.IncludeHistory, name): raise AttributeError("IncludeHistory has no such method %s" % name) newfunc = partial(self.remoteCommand, name) setattr(self, name, newfunc) return newfunc class TinfoilDataStoreConnector: """ Connector object used to enable access to datastore objects via tinfoil Method calls are transmitted to the remote datastore for processing, if a datastore is returned we return a connector object for the new store """ def __init__(self, tinfoil, dsindex): self.tinfoil = tinfoil self.dsindex = dsindex self.varhistory = TinfoilDataStoreConnectorVarHistory(tinfoil, dsindex) self.inchistory = TinfoilDataStoreConnectorIncHistory(tinfoil, dsindex) def remoteCommand(self, cmd, *args, **kwargs): ret = self.tinfoil.run_command('dataStoreConnectorCmd', self.dsindex, cmd, args, kwargs) if isinstance(ret, bb.command.DataStoreConnectionHandle): return TinfoilDataStoreConnector(self.tinfoil, ret.dsindex) return ret def __getattr__(self, name): if not hasattr(bb.data._dict_type, name): raise AttributeError("Data store has no such method %s" % name) newfunc = partial(self.remoteCommand, name) setattr(self, name, newfunc) return newfunc def __iter__(self): keys = self.tinfoil.run_command('dataStoreConnectorCmd', self.dsindex, "keys", [], {}) for k in keys: yield k class TinfoilCookerAdapter: """ Provide an adapter for existing code that expects to access a cooker object via Tinfoil, since now Tinfoil is on the client side it no longer has direct access. """ class TinfoilCookerCollectionAdapter: """ cooker.collection adapter """ def __init__(self, tinfoil, mc=''): self.tinfoil = tinfoil self.mc = mc def get_file_appends(self, fn): return self.tinfoil.get_file_appends(fn, self.mc) def __getattr__(self, name): if name == 'overlayed': return self.tinfoil.get_overlayed_recipes(self.mc) elif name == 'bbappends': return self.tinfoil.run_command('getAllAppends', self.mc) else: raise AttributeError("%s instance has no attribute '%s'" % (self.__class__.__name__, name)) class TinfoilRecipeCacheAdapter: """ cooker.recipecache adapter """ def __init__(self, tinfoil, mc=''): self.tinfoil = tinfoil self.mc = mc self._cache = {} def get_pkg_pn_fn(self): pkg_pn = defaultdict(list, self.tinfoil.run_command('getRecipes', self.mc) or []) pkg_fn = {} for pn, fnlist in pkg_pn.items(): for fn in fnlist: pkg_fn[fn] = pn self._cache['pkg_pn'] = pkg_pn self._cache['pkg_fn'] = pkg_fn def __getattr__(self, name): # Grab these only when they are requested since they aren't always used if name in self._cache: return self._cache[name] elif name == 'pkg_pn': self.get_pkg_pn_fn() return self._cache[name] elif name == 'pkg_fn': self.get_pkg_pn_fn() return self._cache[name] elif name == 'deps': attrvalue = defaultdict(list, self.tinfoil.run_command('getRecipeDepends', self.mc) or []) elif name == 'rundeps': attrvalue = defaultdict(lambda: defaultdict(list), self.tinfoil.run_command('getRuntimeDepends', self.mc) or []) elif name == 'runrecs': attrvalue = defaultdict(lambda: defaultdict(list), self.tinfoil.run_command('getRuntimeRecommends', self.mc) or []) elif name == 'pkg_pepvpr': attrvalue = self.tinfoil.run_command('getRecipeVersions', self.mc) or {} elif name == 'inherits': attrvalue = self.tinfoil.run_command('getRecipeInherits', self.mc) or {} elif name == 'bbfile_priority': attrvalue = self.tinfoil.run_command('getBbFilePriority', self.mc) or {} elif name == 'pkg_dp': attrvalue = self.tinfoil.run_command('getDefaultPreference', self.mc) or {} elif name == 'fn_provides': attrvalue = self.tinfoil.run_command('getRecipeProvides', self.mc) or {} elif name == 'packages': attrvalue = self.tinfoil.run_command('getRecipePackages', self.mc) or {} elif name == 'packages_dynamic': attrvalue = self.tinfoil.run_command('getRecipePackagesDynamic', self.mc) or {} elif name == 'rproviders': attrvalue = self.tinfoil.run_command('getRProviders', self.mc) or {} else: raise AttributeError("%s instance has no attribute '%s'" % (self.__class__.__name__, name)) self._cache[name] = attrvalue return attrvalue def __init__(self, tinfoil): self.tinfoil = tinfoil self.multiconfigs = [''] + (tinfoil.config_data.getVar('BBMULTICONFIG') or '').split() self.collections = {} self.recipecaches = {} for mc in self.multiconfigs: self.collections[mc] = self.TinfoilCookerCollectionAdapter(tinfoil, mc) self.recipecaches[mc] = self.TinfoilRecipeCacheAdapter(tinfoil, mc) self._cache = {} def __getattr__(self, name): # Grab these only when they are requested since they aren't always used if name in self._cache: return self._cache[name] elif name == 'skiplist': attrvalue = self.tinfoil.get_skipped_recipes() elif name == 'bbfile_config_priorities': ret = self.tinfoil.run_command('getLayerPriorities') bbfile_config_priorities = [] for collection, pattern, regex, pri in ret: bbfile_config_priorities.append((collection, pattern, re.compile(regex), pri)) attrvalue = bbfile_config_priorities else: raise AttributeError("%s instance has no attribute '%s'" % (self.__class__.__name__, name)) self._cache[name] = attrvalue return attrvalue def findBestProvider(self, pn): return self.tinfoil.find_best_provider(pn) class TinfoilRecipeInfo: """ Provides a convenient representation of the cached information for a single recipe. Some attributes are set on construction, others are read on-demand (which internally may result in a remote procedure call to the bitbake server the first time). Note that only information which is cached is available through this object - if you need other variable values you will need to parse the recipe using Tinfoil.parse_recipe(). """ def __init__(self, recipecache, d, pn, fn, fns): self._recipecache = recipecache self._d = d self.pn = pn self.fn = fn self.fns = fns self.inherit_files = recipecache.inherits[fn] self.depends = recipecache.deps[fn] (self.pe, self.pv, self.pr) = recipecache.pkg_pepvpr[fn] self._cached_packages = None self._cached_rprovides = None self._cached_packages_dynamic = None def __getattr__(self, name): if name == 'alternates': return [x for x in self.fns if x != self.fn] elif name == 'rdepends': return self._recipecache.rundeps[self.fn] elif name == 'rrecommends': return self._recipecache.runrecs[self.fn] elif name == 'provides': return self._recipecache.fn_provides[self.fn] elif name == 'packages': if self._cached_packages is None: self._cached_packages = [] for pkg, fns in self._recipecache.packages.items(): if self.fn in fns: self._cached_packages.append(pkg) return self._cached_packages elif name == 'packages_dynamic': if self._cached_packages_dynamic is None: self._cached_packages_dynamic = [] for pkg, fns in self._recipecache.packages_dynamic.items(): if self.fn in fns: self._cached_packages_dynamic.append(pkg) return self._cached_packages_dynamic elif name == 'rprovides': if self._cached_rprovides is None: self._cached_rprovides = [] for pkg, fns in self._recipecache.rproviders.items(): if self.fn in fns: self._cached_rprovides.append(pkg) return self._cached_rprovides else: raise AttributeError("%s instance has no attribute '%s'" % (self.__class__.__name__, name)) def inherits(self, only_recipe=False): """ Get the inherited classes for a recipe. Returns the class names only. Parameters: only_recipe: True to return only the classes inherited by the recipe itself, False to return all classes inherited within the context for the recipe (which includes globally inherited classes). """ if only_recipe: global_inherit = [x for x in (self._d.getVar('BBINCLUDED') or '').split() if x.endswith('.bbclass')] else: global_inherit = [] for clsfile in self.inherit_files: if only_recipe and clsfile in global_inherit: continue clsname = os.path.splitext(os.path.basename(clsfile))[0] yield clsname def __str__(self): return '%s' % self.pn class Tinfoil: """ Tinfoil - an API for scripts and utilities to query BitBake internals and perform build operations. """ def __init__(self, output=sys.stdout, tracking=False, setup_logging=True): """ Create a new tinfoil object. Parameters: output: specifies where console output should be sent. Defaults to sys.stdout. tracking: True to enable variable history tracking, False to disable it (default). Enabling this has a minor performance impact so typically it isn't enabled unless you need to query variable history. setup_logging: True to setup a logger so that things like bb.warn() will work immediately and timeout warnings are visible; False to let BitBake do this itself. """ self.logger = logging.getLogger('BitBake') self.config_data = None self.cooker = None self.tracking = tracking self.ui_module = None self.server_connection = None self.recipes_parsed = False self.quiet = 0 self.oldhandlers = self.logger.handlers[:] if setup_logging: # This is the *client-side* logger, nothing to do with # logging messages from the server bb.msg.logger_create('BitBake', output) self.localhandlers = [] for handler in self.logger.handlers: if handler not in self.oldhandlers: self.localhandlers.append(handler) def __enter__(self): return self def __exit__(self, type, value, traceback): self.shutdown() def prepare(self, config_only=False, config_params=None, quiet=0, extra_features=None): """ Prepares the underlying BitBake system to be used via tinfoil. This function must be called prior to calling any of the other functions in the API. NOTE: if you call prepare() you must absolutely call shutdown() before your code terminates. You can use a "with" block to ensure this happens e.g. with bb.tinfoil.Tinfoil() as tinfoil: tinfoil.prepare() ... Parameters: config_only: True to read only the configuration and not load the cache / parse recipes. This is useful if you just want to query the value of a variable at the global level or you want to do anything else that doesn't involve knowing anything about the recipes in the current configuration. False loads the cache / parses recipes. config_params: optionally specify your own configuration parameters. If not specified an instance of TinfoilConfigParameters will be created internally. quiet: quiet level controlling console output - equivalent to bitbake's -q/--quiet option. Default of 0 gives the same output level as normal bitbake execution. extra_features: extra features to be added to the feature set requested from the server. See CookerFeatures._feature_list for possible features. """ self.quiet = quiet if self.tracking: extrafeatures = [bb.cooker.CookerFeatures.BASEDATASTORE_TRACKING] else: extrafeatures = [] if extra_features: extrafeatures += extra_features if not config_params: config_params = TinfoilConfigParameters(config_only=config_only, quiet=quiet) if not config_only: # Disable local loggers because the UI module is going to set up its own for handler in self.localhandlers: self.logger.handlers.remove(handler) self.localhandlers = [] self.server_connection, ui_module = setup_bitbake(config_params, extrafeatures) self.ui_module = ui_module # Ensure the path to bitbake's bin directory is in PATH so that things like # bitbake-worker can be run (usually this is the case, but it doesn't have to be) path = os.getenv('PATH').split(':') bitbakebinpath = os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', 'bin')) for entry in path: if entry.endswith(os.sep): entry = entry[:-1] if os.path.abspath(entry) == bitbakebinpath: break else: path.insert(0, bitbakebinpath) os.environ['PATH'] = ':'.join(path) if self.server_connection: _server_connections.append(self.server_connection) if config_only: config_params.updateToServer(self.server_connection.connection, os.environ.copy()) self.run_command('parseConfiguration') else: self.run_actions(config_params) self.recipes_parsed = True self.config_data = TinfoilDataStoreConnector(self, 0) self.cooker = TinfoilCookerAdapter(self) self.cooker_data = self.cooker.recipecaches[''] else: raise Exception('Failed to start bitbake server') def run_actions(self, config_params): """ Run the actions specified in config_params through the UI. """ ret = self.ui_module.main(self.server_connection.connection, self.server_connection.events, config_params) if ret: raise TinfoilUIException(ret) def parseRecipes(self): """ Legacy function - use parse_recipes() instead. """ self.parse_recipes() def parse_recipes(self): """ Load information on all recipes. Normally you should specify config_only=False when calling prepare() instead of using this function; this function is designed for situations where you need to initialise Tinfoil and use it with config_only=True first and then conditionally call this function to parse recipes later. """ config_params = TinfoilConfigParameters(config_only=False, quiet=self.quiet) self.run_actions(config_params) self.recipes_parsed = True def run_command(self, command, *params): """ Run a command on the server (as implemented in bb.command). Note that there are two types of command - synchronous and asynchronous; in order to receive the results of asynchronous commands you will need to set an appropriate event mask using set_event_mask() and listen for the result using wait_event() - with the correct event mask you'll at least get bb.command.CommandCompleted and possibly other events before that depending on the command. """ if not self.server_connection: raise Exception('Not connected to server (did you call .prepare()?)') commandline = [command] if params: commandline.extend(params) try: result = self.server_connection.connection.runCommand(commandline) finally: while True: event = self.wait_event() if not event: break if isinstance(event, logging.LogRecord): if event.taskpid == 0 or event.levelno > logging.INFO: self.logger.handle(event) if result[1]: raise TinfoilCommandFailed(result[1]) return result[0] def set_event_mask(self, eventlist): """Set the event mask which will be applied within wait_event()""" if not self.server_connection: raise Exception('Not connected to server (did you call .prepare()?)') llevel, debug_domains = bb.msg.constructLogOptions() ret = self.run_command('setEventMask', self.server_connection.connection.getEventHandle(), llevel, debug_domains, eventlist) if not ret: raise Exception('setEventMask failed') def wait_event(self, timeout=0): """ Wait for an event from the server for the specified time. A timeout of 0 means don't wait if there are no events in the queue. Returns the next event in the queue or None if the timeout was reached. Note that in order to recieve any events you will first need to set the internal event mask using set_event_mask() (otherwise whatever event mask the UI set up will be in effect). """ if not self.server_connection: raise Exception('Not connected to server (did you call .prepare()?)') return self.server_connection.events.waitEvent(timeout) def get_overlayed_recipes(self, mc=''): """ Find recipes which are overlayed (i.e. where recipes exist in multiple layers) """ return defaultdict(list, self.run_command('getOverlayedRecipes', mc)) def get_skipped_recipes(self): """ Find recipes which were skipped (i.e. SkipRecipe was raised during parsing). """ return OrderedDict(self.run_command('getSkippedRecipes')) def get_all_providers(self, mc=''): return defaultdict(list, self.run_command('allProviders', mc)) def find_providers(self, mc=''): return self.run_command('findProviders', mc) def find_best_provider(self, pn): return self.run_command('findBestProvider', pn) def get_runtime_providers(self, rdep): return self.run_command('getRuntimeProviders', rdep) def get_recipe_file(self, pn): """ Get the file name for the specified recipe/target. Raises bb.providers.NoProvider if there is no match or the recipe was skipped. """ best = self.find_best_provider(pn) if not best or (len(best) > 3 and not best[3]): skiplist = self.get_skipped_recipes() taskdata = bb.taskdata.TaskData(None, skiplist=skiplist) skipreasons = taskdata.get_reasons(pn) if skipreasons: raise bb.providers.NoProvider('%s is unavailable:\n %s' % (pn, ' \n'.join(skipreasons))) else: raise bb.providers.NoProvider('Unable to find any recipe file matching "%s"' % pn) return best[3] def get_file_appends(self, fn, mc=''): """ Find the bbappends for a recipe file """ return self.run_command('getFileAppends', fn, mc) def all_recipes(self, mc='', sort=True): """ Enable iterating over all recipes in the current configuration. Returns an iterator over TinfoilRecipeInfo objects created on demand. Parameters: mc: The multiconfig, default of '' uses the main configuration. sort: True to sort recipes alphabetically (default), False otherwise """ recipecache = self.cooker.recipecaches[mc] if sort: recipes = sorted(recipecache.pkg_pn.items()) else: recipes = recipecache.pkg_pn.items() for pn, fns in recipes: prov = self.find_best_provider(pn) recipe = TinfoilRecipeInfo(recipecache, self.config_data, pn=pn, fn=prov[3], fns=fns) yield recipe def all_recipe_files(self, mc='', variants=True, preferred_only=False): """ Enable iterating over all recipe files in the current configuration. Returns an iterator over file paths. Parameters: mc: The multiconfig, default of '' uses the main configuration. variants: True to include variants of recipes created through BBCLASSEXTEND (default) or False to exclude them preferred_only: True to include only the preferred recipe where multiple exist providing the same PN, False to list all recipes """ recipecache = self.cooker.recipecaches[mc] if preferred_only: files = [] for pn in recipecache.pkg_pn.keys(): prov = self.find_best_provider(pn) files.append(prov[3]) else: files = recipecache.pkg_fn.keys() for fn in sorted(files): if not variants and fn.startswith('virtual:'): continue yield fn def get_recipe_info(self, pn, mc=''): """ Get information on a specific recipe in the current configuration by name (PN). Returns a TinfoilRecipeInfo object created on demand. Parameters: mc: The multiconfig, default of '' uses the main configuration. """ recipecache = self.cooker.recipecaches[mc] prov = self.find_best_provider(pn) fn = prov[3] if fn: actual_pn = recipecache.pkg_fn[fn] recipe = TinfoilRecipeInfo(recipecache, self.config_data, pn=actual_pn, fn=fn, fns=recipecache.pkg_pn[actual_pn]) return recipe else: return None def parse_recipe(self, pn): """ Parse the specified recipe and return a datastore object representing the environment for the recipe. """ fn = self.get_recipe_file(pn) return self.parse_recipe_file(fn) def parse_recipe_file(self, fn, appends=True, appendlist=None, config_data=None): """ Parse the specified recipe file (with or without bbappends) and return a datastore object representing the environment for the recipe. Parameters: fn: recipe file to parse - can be a file path or virtual specification appends: True to apply bbappends, False otherwise appendlist: optional list of bbappend files to apply, if you want to filter them """ if self.tracking: # Enable history tracking just for the parse operation self.run_command('enableDataTracking') try: if appends and appendlist == []: appends = False if config_data: config_data = bb.data.createCopy(config_data) dscon = self.run_command('parseRecipeFile', fn, appends, appendlist, config_data.dsindex) else: dscon = self.run_command('parseRecipeFile', fn, appends, appendlist) if dscon: return self._reconvert_type(dscon, 'DataStoreConnectionHandle') else: return None finally: if self.tracking: self.run_command('disableDataTracking') def build_file(self, buildfile, task, internal=True): """ Runs the specified task for just a single recipe (i.e. no dependencies). This is equivalent to bitbake -b, except with the default internal=True no warning about dependencies will be produced, normal info messages from the runqueue will be silenced and BuildInit, BuildStarted and BuildCompleted events will not be fired. """ return self.run_command('buildFile', buildfile, task, internal) def build_targets(self, targets, task=None, handle_events=True, extra_events=None, event_callback=None): """ Builds the specified targets. This is equivalent to a normal invocation of bitbake. Has built-in event handling which is enabled by default and can be extended if needed. Parameters: targets: One or more targets to build. Can be a list or a space-separated string. task: The task to run; if None then the value of BB_DEFAULT_TASK will be used. Default None. handle_events: True to handle events in a similar way to normal bitbake invocation with knotty; False to return immediately (on the assumption that the caller will handle the events instead). Default True. extra_events: An optional list of events to add to the event mask (if handle_events=True). If you add events here you also need to specify a callback function in event_callback that will handle the additional events. Default None. event_callback: An optional function taking a single parameter which will be called first upon receiving any event (if handle_events=True) so that the caller can override or extend the event handling. Default None. """ if isinstance(targets, str): targets = targets.split() if not task: task = self.config_data.getVar('BB_DEFAULT_TASK') if handle_events: # A reasonable set of default events matching up with those we handle below eventmask = [ 'bb.event.BuildStarted', 'bb.event.BuildCompleted', 'logging.LogRecord', 'bb.event.NoProvider', 'bb.command.CommandCompleted', 'bb.command.CommandFailed', 'bb.build.TaskStarted', 'bb.build.TaskFailed', 'bb.build.TaskSucceeded', 'bb.build.TaskFailedSilent', 'bb.build.TaskProgress', 'bb.runqueue.runQueueTaskStarted', 'bb.runqueue.sceneQueueTaskStarted', 'bb.event.ProcessStarted', 'bb.event.ProcessProgress', 'bb.event.ProcessFinished', ] if extra_events: eventmask.extend(extra_events) ret = self.set_event_mask(eventmask) includelogs = self.config_data.getVar('BBINCLUDELOGS') loglines = self.config_data.getVar('BBINCLUDELOGS_LINES') ret = self.run_command('buildTargets', targets, task) if handle_events: result = False # Borrowed from knotty, instead somewhat hackily we use the helper # as the object to store "shutdown" on helper = bb.ui.uihelper.BBUIHelper() helper.shutdown = 0 parseprogress = None termfilter = bb.ui.knotty.TerminalFilter(helper, helper, self.logger.handlers, quiet=self.quiet) try: while True: try: event = self.wait_event(0.25) if event: if event_callback and event_callback(event): continue if helper.eventHandler(event): if isinstance(event, bb.build.TaskFailedSilent): self.logger.warning("Logfile for failed setscene task is %s" % event.logfile) elif isinstance(event, bb.build.TaskFailed): bb.ui.knotty.print_event_log(event, includelogs, loglines, termfilter) continue if isinstance(event, bb.event.ProcessStarted): if self.quiet > 1: continue parseprogress = bb.ui.knotty.new_progress(event.processname, event.total) parseprogress.start(False) continue if isinstance(event, bb.event.ProcessProgress): if self.quiet > 1: continue if parseprogress: parseprogress.update(event.progress) else: bb.warn("Got ProcessProgress event for someting that never started?") continue if isinstance(event, bb.event.ProcessFinished): if self.quiet > 1: continue if parseprogress: parseprogress.finish() parseprogress = None continue if isinstance(event, bb.command.CommandCompleted): result = True break if isinstance(event, bb.command.CommandFailed): self.logger.error(str(event)) result = False break if isinstance(event, logging.LogRecord): if event.taskpid == 0 or event.levelno > logging.INFO: self.logger.handle(event) continue if isinstance(event, bb.event.NoProvider): self.logger.error(str(event)) result = False break elif helper.shutdown > 1: break termfilter.updateFooter() except KeyboardInterrupt: termfilter.clearFooter() if helper.shutdown == 1: print("\nSecond Keyboard Interrupt, stopping...\n") ret = self.run_command("stateForceShutdown") if ret and ret[2]: self.logger.error("Unable to cleanly stop: %s" % ret[2]) elif helper.shutdown == 0: print("\nKeyboard Interrupt, closing down...\n") interrupted = True ret = self.run_command("stateShutdown") if ret and ret[2]: self.logger.error("Unable to cleanly shutdown: %s" % ret[2]) helper.shutdown = helper.shutdown + 1 termfilter.clearFooter() finally: termfilter.finish() if helper.failed_tasks: result = False return result else: return ret def shutdown(self): """ Shut down tinfoil. Disconnects from the server and gracefully releases any associated resources. You must call this function if prepare() has been called, or use a with... block when you create the tinfoil object which will ensure that it gets called. """ try: if self.server_connection: try: self.run_command('clientComplete') finally: _server_connections.remove(self.server_connection) bb.event.ui_queue = [] self.server_connection.terminate() self.server_connection = None finally: # Restore logging handlers to how it looked when we started if self.oldhandlers: for handler in self.logger.handlers: if handler not in self.oldhandlers: self.logger.handlers.remove(handler) def _reconvert_type(self, obj, origtypename): """ Convert an object back to the right type, in the case that marshalling has changed it (especially with xmlrpc) """ supported_types = { 'set': set, 'DataStoreConnectionHandle': bb.command.DataStoreConnectionHandle, } origtype = supported_types.get(origtypename, None) if origtype is None: raise Exception('Unsupported type "%s"' % origtypename) if type(obj) == origtype: newobj = obj elif isinstance(obj, dict): # New style class newobj = origtype() for k,v in obj.items(): setattr(newobj, k, v) else: # Assume we can coerce the type newobj = origtype(obj) if isinstance(newobj, bb.command.DataStoreConnectionHandle): newobj = TinfoilDataStoreConnector(self, newobj.dsindex) return newobj class TinfoilConfigParameters(BitBakeConfigParameters): def __init__(self, config_only, **options): self.initial_options = options # Apply some sane defaults if not 'parse_only' in options: self.initial_options['parse_only'] = not config_only #if not 'status_only' in options: # self.initial_options['status_only'] = config_only if not 'ui' in options: self.initial_options['ui'] = 'knotty' if not 'argv' in options: self.initial_options['argv'] = [] super(TinfoilConfigParameters, self).__init__() def parseCommandLine(self, argv=None): # We don't want any parameters parsed from the command line opts = super(TinfoilConfigParameters, self).parseCommandLine([]) for key, val in self.initial_options.items(): setattr(opts[0], key, val) return opts