diff options
Diffstat (limited to 'import-layers/yocto-poky/bitbake/lib/bb/cookerdata.py')
| -rw-r--r-- | import-layers/yocto-poky/bitbake/lib/bb/cookerdata.py | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/bitbake/lib/bb/cookerdata.py b/import-layers/yocto-poky/bitbake/lib/bb/cookerdata.py new file mode 100644 index 000000000..50259a9a0 --- /dev/null +++ b/import-layers/yocto-poky/bitbake/lib/bb/cookerdata.py @@ -0,0 +1,345 @@ +#!/usr/bin/env python +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# Copyright (C) 2003, 2004 Chris Larson +# Copyright (C) 2003, 2004 Phil Blundell +# Copyright (C) 2003 - 2005 Michael 'Mickey' Lauer +# Copyright (C) 2005 Holger Hans Peter Freyther +# Copyright (C) 2005 ROAD GmbH +# Copyright (C) 2006 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. + +import os, sys +from functools import wraps +import logging +import bb +from bb import data +import bb.parse + +logger = logging.getLogger("BitBake") +parselog = logging.getLogger("BitBake.Parsing") + +class ConfigParameters(object): + def __init__(self, argv=sys.argv): + self.options, targets = self.parseCommandLine(argv) + self.environment = self.parseEnvironment() + + self.options.pkgs_to_build = targets or [] + + self.options.tracking = False + if hasattr(self.options, "show_environment") and self.options.show_environment: + self.options.tracking = True + + for key, val in self.options.__dict__.items(): + setattr(self, key, val) + + def parseCommandLine(self, argv=sys.argv): + raise Exception("Caller must implement commandline option parsing") + + def parseEnvironment(self): + return os.environ.copy() + + def updateFromServer(self, server): + if not self.options.cmd: + defaulttask, error = server.runCommand(["getVariable", "BB_DEFAULT_TASK"]) + if error: + raise Exception("Unable to get the value of BB_DEFAULT_TASK from the server: %s" % error) + self.options.cmd = defaulttask or "build" + _, error = server.runCommand(["setConfig", "cmd", self.options.cmd]) + if error: + raise Exception("Unable to set configuration option 'cmd' on the server: %s" % error) + + if not self.options.pkgs_to_build: + bbpkgs, error = server.runCommand(["getVariable", "BBTARGETS"]) + if error: + raise Exception("Unable to get the value of BBTARGETS from the server: %s" % error) + if bbpkgs: + self.options.pkgs_to_build.extend(bbpkgs.split()) + + def updateToServer(self, server, environment): + options = {} + for o in ["abort", "tryaltconfigs", "force", "invalidate_stamp", + "verbose", "debug", "dry_run", "dump_signatures", + "debug_domains", "extra_assume_provided", "profile", + "prefile", "postfile"]: + options[o] = getattr(self.options, o) + + ret, error = server.runCommand(["updateConfig", options, environment]) + if error: + raise Exception("Unable to update the server configuration with local parameters: %s" % error) + + def parseActions(self): + # Parse any commandline into actions + action = {'action':None, 'msg':None} + if self.options.show_environment: + if 'world' in self.options.pkgs_to_build: + action['msg'] = "'world' is not a valid target for --environment." + elif 'universe' in self.options.pkgs_to_build: + action['msg'] = "'universe' is not a valid target for --environment." + elif len(self.options.pkgs_to_build) > 1: + action['msg'] = "Only one target can be used with the --environment option." + elif self.options.buildfile and len(self.options.pkgs_to_build) > 0: + action['msg'] = "No target should be used with the --environment and --buildfile options." + elif len(self.options.pkgs_to_build) > 0: + action['action'] = ["showEnvironmentTarget", self.options.pkgs_to_build] + else: + action['action'] = ["showEnvironment", self.options.buildfile] + elif self.options.buildfile is not None: + action['action'] = ["buildFile", self.options.buildfile, self.options.cmd] + elif self.options.revisions_changed: + action['action'] = ["compareRevisions"] + elif self.options.show_versions: + action['action'] = ["showVersions"] + elif self.options.parse_only: + action['action'] = ["parseFiles"] + elif self.options.dot_graph: + if self.options.pkgs_to_build: + action['action'] = ["generateDotGraph", self.options.pkgs_to_build, self.options.cmd] + else: + action['msg'] = "Please specify a package name for dependency graph generation." + else: + if self.options.pkgs_to_build: + action['action'] = ["buildTargets", self.options.pkgs_to_build, self.options.cmd] + else: + #action['msg'] = "Nothing to do. Use 'bitbake world' to build everything, or run 'bitbake --help' for usage information." + action = None + self.options.initialaction = action + return action + +class CookerConfiguration(object): + """ + Manages build options and configurations for one run + """ + + def __init__(self): + self.debug_domains = [] + self.extra_assume_provided = [] + self.prefile = [] + self.postfile = [] + self.prefile_server = [] + self.postfile_server = [] + self.debug = 0 + self.cmd = None + self.abort = True + self.force = False + self.profile = False + self.nosetscene = False + self.setsceneonly = False + self.invalidate_stamp = False + self.dump_signatures = [] + self.dry_run = False + self.tracking = False + self.interface = [] + self.writeeventlog = False + + self.env = {} + + def setConfigParameters(self, parameters): + for key in self.__dict__.keys(): + if key in parameters.options.__dict__: + setattr(self, key, parameters.options.__dict__[key]) + self.env = parameters.environment.copy() + self.tracking = parameters.tracking + + def setServerRegIdleCallback(self, srcb): + self.server_register_idlecallback = srcb + + def __getstate__(self): + state = {} + for key in self.__dict__.keys(): + if key == "server_register_idlecallback": + state[key] = None + else: + state[key] = getattr(self, key) + return state + + def __setstate__(self,state): + for k in state: + setattr(self, k, state[k]) + + +def catch_parse_error(func): + """Exception handling bits for our parsing""" + @wraps(func) + def wrapped(fn, *args): + try: + return func(fn, *args) + except IOError as exc: + import traceback + parselog.critical(traceback.format_exc()) + parselog.critical("Unable to parse %s: %s" % (fn, exc)) + sys.exit(1) + except bb.data_smart.ExpansionError as exc: + import traceback + + bbdir = os.path.dirname(__file__) + os.sep + exc_class, exc, tb = sys.exc_info() + for tb in iter(lambda: tb.tb_next, None): + # Skip frames in bitbake itself, we only want the metadata + fn, _, _, _ = traceback.extract_tb(tb, 1)[0] + if not fn.startswith(bbdir): + break + parselog.critical("Unable to parse %s", fn, exc_info=(exc_class, exc, tb)) + except bb.parse.ParseError as exc: + parselog.critical(str(exc)) + sys.exit(1) + return wrapped + +@catch_parse_error +def parse_config_file(fn, data, include=True): + return bb.parse.handle(fn, data, include) + +@catch_parse_error +def _inherit(bbclass, data): + bb.parse.BBHandler.inherit(bbclass, "configuration INHERITs", 0, data) + return data + +def findConfigFile(configfile, data): + search = [] + bbpath = data.getVar("BBPATH", True) + if bbpath: + for i in bbpath.split(":"): + search.append(os.path.join(i, "conf", configfile)) + path = os.getcwd() + while path != "/": + search.append(os.path.join(path, "conf", configfile)) + path, _ = os.path.split(path) + + for i in search: + if os.path.exists(i): + return i + + return None + +class CookerDataBuilder(object): + + def __init__(self, cookercfg, worker = False): + + self.prefiles = cookercfg.prefile + self.postfiles = cookercfg.postfile + self.tracking = cookercfg.tracking + + bb.utils.set_context(bb.utils.clean_context()) + bb.event.set_class_handlers(bb.event.clean_class_handlers()) + self.data = bb.data.init() + if self.tracking: + self.data.enableTracking() + + # Keep a datastore of the initial environment variables and their + # values from when BitBake was launched to enable child processes + # to use environment variables which have been cleaned from the + # BitBake processes env + self.savedenv = bb.data.init() + for k in cookercfg.env: + self.savedenv.setVar(k, cookercfg.env[k]) + + filtered_keys = bb.utils.approved_variables() + bb.data.inheritFromOS(self.data, self.savedenv, filtered_keys) + self.data.setVar("BB_ORIGENV", self.savedenv) + + if worker: + self.data.setVar("BB_WORKERCONTEXT", "1") + + def parseBaseConfiguration(self): + try: + self.parseConfigurationFiles(self.prefiles, self.postfiles) + except SyntaxError: + raise bb.BBHandledException + except bb.data_smart.ExpansionError as e: + logger.error(str(e)) + raise bb.BBHandledException + except Exception: + logger.exception("Error parsing configuration files") + raise bb.BBHandledException + + def _findLayerConf(self, data): + return findConfigFile("bblayers.conf", data) + + def parseConfigurationFiles(self, prefiles, postfiles): + data = self.data + bb.parse.init_parser(data) + + # Parse files for loading *before* bitbake.conf and any includes + for f in prefiles: + data = parse_config_file(f, data) + + layerconf = self._findLayerConf(data) + if layerconf: + parselog.debug(2, "Found bblayers.conf (%s)", layerconf) + # By definition bblayers.conf is in conf/ of TOPDIR. + # We may have been called with cwd somewhere else so reset TOPDIR + data.setVar("TOPDIR", os.path.dirname(os.path.dirname(layerconf))) + data = parse_config_file(layerconf, data) + + layers = (data.getVar('BBLAYERS', True) or "").split() + + data = bb.data.createCopy(data) + approved = bb.utils.approved_variables() + for layer in layers: + parselog.debug(2, "Adding layer %s", layer) + if 'HOME' in approved and '~' in layer: + layer = os.path.expanduser(layer) + if layer.endswith('/'): + layer = layer.rstrip('/') + data.setVar('LAYERDIR', layer) + data = parse_config_file(os.path.join(layer, "conf", "layer.conf"), data) + data.expandVarref('LAYERDIR') + + data.delVar('LAYERDIR') + + if not data.getVar("BBPATH", True): + msg = "The BBPATH variable is not set" + if not layerconf: + msg += (" and bitbake did not find a conf/bblayers.conf file in" + " the expected location.\nMaybe you accidentally" + " invoked bitbake from the wrong directory?") + raise SystemExit(msg) + + data = parse_config_file(os.path.join("conf", "bitbake.conf"), data) + + # Parse files for loading *after* bitbake.conf and any includes + for p in postfiles: + data = parse_config_file(p, data) + + # Handle any INHERITs and inherit the base class + bbclasses = ["base"] + (data.getVar('INHERIT', True) or "").split() + for bbclass in bbclasses: + data = _inherit(bbclass, data) + + # Nomally we only register event handlers at the end of parsing .bb files + # We register any handlers we've found so far here... + for var in data.getVar('__BBHANDLERS', False) or []: + handlerfn = data.getVarFlag(var, "filename", False) + handlerln = int(data.getVarFlag(var, "lineno", False)) + bb.event.register(var, data.getVar(var, False), (data.getVarFlag(var, "eventmask", True) or "").split(), handlerfn, handlerln) + + if data.getVar("BB_WORKERCONTEXT", False) is None: + bb.fetch.fetcher_init(data) + bb.codeparser.parser_cache_init(data) + bb.event.fire(bb.event.ConfigParsed(), data) + + if data.getVar("BB_INVALIDCONF", False) is True: + data.setVar("BB_INVALIDCONF", False) + self.parseConfigurationFiles(self.prefiles, self.postfiles) + return + + bb.parse.init_parser(data) + data.setVar('BBINCLUDED',bb.parse.get_file_depends(data)) + self.data = data + self.data_hash = data.get_hash() + + + |
