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forked from brl/citadel
citadel/bitbake/lib/bb/cookerdata.py
brl 098b8f982b Squashed 'poky/' content from commit 4469acdf1d
git-subtree-dir: poky
git-subtree-split: 4469acdf1d0338220f3fe2ecb5e079eea6fda375
2017-12-04 16:35:29 -05:00

432 lines
17 KiB
Python

#!/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 logging
import os
import re
import sys
from functools import wraps
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 []
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", "force", "invalidate_stamp",
"verbose", "debug", "dry_run", "dump_signatures",
"debug_domains", "extra_assume_provided", "profile",
"prefile", "postfile", "server_timeout"]:
options[o] = getattr(self.options, o)
ret, error = server.runCommand(["updateConfig", options, environment, sys.argv])
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.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.xmlrpcinterface = []
self.server_timeout = None
self.writeeventlog = False
self.server_only = False
self.limited_deps = False
self.runall = None
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()
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))
sys.exit(1)
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")
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
#
# We search for a conf/bblayers.conf under an entry in BBPATH or in cwd working
# up to /. If that fails, we search for a conf/bitbake.conf in BBPATH.
#
def findTopdir():
d = bb.data.init()
bbpath = None
if 'BBPATH' in os.environ:
bbpath = os.environ['BBPATH']
d.setVar('BBPATH', bbpath)
layerconf = findConfigFile("bblayers.conf", d)
if layerconf:
return os.path.dirname(os.path.dirname(layerconf))
if bbpath:
bitbakeconf = bb.utils.which(bbpath, "conf/bitbake.conf")
if bitbakeconf:
return os.path.dirname(os.path.dirname(bitbakeconf))
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.basedata = bb.data.init()
if self.tracking:
self.basedata.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.basedata, self.savedenv, filtered_keys)
self.basedata.setVar("BB_ORIGENV", self.savedenv)
if worker:
self.basedata.setVar("BB_WORKERCONTEXT", "1")
self.data = self.basedata
self.mcdata = {}
def parseBaseConfiguration(self):
try:
bb.parse.init_parser(self.basedata)
self.data = self.parseConfigurationFiles(self.prefiles, self.postfiles)
if self.data.getVar("BB_WORKERCONTEXT", False) is None:
bb.fetch.fetcher_init(self.data)
bb.codeparser.parser_cache_init(self.data)
bb.event.fire(bb.event.ConfigParsed(), self.data)
reparse_cnt = 0
while self.data.getVar("BB_INVALIDCONF", False) is True:
if reparse_cnt > 20:
logger.error("Configuration has been re-parsed over 20 times, "
"breaking out of the loop...")
raise Exception("Too deep config re-parse loop. Check locations where "
"BB_INVALIDCONF is being set (ConfigParsed event handlers)")
self.data.setVar("BB_INVALIDCONF", False)
self.data = self.parseConfigurationFiles(self.prefiles, self.postfiles)
reparse_cnt += 1
bb.event.fire(bb.event.ConfigParsed(), self.data)
bb.parse.init_parser(self.data)
self.data_hash = self.data.get_hash()
self.mcdata[''] = self.data
multiconfig = (self.data.getVar("BBMULTICONFIG") or "").split()
for config in multiconfig:
mcdata = self.parseConfigurationFiles(self.prefiles, self.postfiles, config)
bb.event.fire(bb.event.ConfigParsed(), mcdata)
self.mcdata[config] = mcdata
if multiconfig:
bb.event.fire(bb.event.MultiConfigParsed(self.mcdata), self.data)
except (SyntaxError, bb.BBHandledException):
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
# Create a copy so we can reset at a later date when UIs disconnect
self.origdata = self.data
self.data = bb.data.createCopy(self.origdata)
self.mcdata[''] = self.data
def reset(self):
# We may not have run parseBaseConfiguration() yet
if not hasattr(self, 'origdata'):
return
self.data = bb.data.createCopy(self.origdata)
self.mcdata[''] = self.data
def _findLayerConf(self, data):
return findConfigFile("bblayers.conf", data)
def parseConfigurationFiles(self, prefiles, postfiles, mc = "default"):
data = bb.data.createCopy(self.basedata)
data.setVar("BB_CURRENT_MC", mc)
# 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') or "").split()
data = bb.data.createCopy(data)
approved = bb.utils.approved_variables()
for layer in layers:
if not os.path.isdir(layer):
parselog.critical("Layer directory '%s' does not exist! "
"Please check BBLAYERS in %s" % (layer, layerconf))
sys.exit(1)
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.setVar('LAYERDIR_RE', re.escape(layer))
data = parse_config_file(os.path.join(layer, "conf", "layer.conf"), data)
data.expandVarref('LAYERDIR')
data.expandVarref('LAYERDIR_RE')
data.delVar('LAYERDIR_RE')
data.delVar('LAYERDIR')
bbfiles_dynamic = (data.getVar('BBFILES_DYNAMIC') or "").split()
collections = (data.getVar('BBFILE_COLLECTIONS') or "").split()
invalid = []
for entry in bbfiles_dynamic:
parts = entry.split(":", 1)
if len(parts) != 2:
invalid.append(entry)
continue
l, f = parts
if l in collections:
data.appendVar("BBFILES", " " + f)
if invalid:
bb.fatal("BBFILES_DYNAMIC entries must be of the form <collection name>:<filename pattern>, not:\n %s" % "\n ".join(invalid))
layerseries = set((data.getVar("LAYERSERIES_CORENAMES") or "").split())
for c in collections:
compat = set((data.getVar("LAYERSERIES_COMPAT_%s" % c) or "").split())
if compat and not (compat & layerseries):
bb.fatal("Layer %s is not compatible with the core layer which only supports these series: %s (layer is compatible with %s)"
% (c, " ".join(layerseries), " ".join(compat)))
if not data.getVar("BBPATH"):
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') 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)
if not handlerfn:
parselog.critical("Undefined event handler function '%s'" % var)
sys.exit(1)
handlerln = int(data.getVarFlag(var, "lineno", False))
bb.event.register(var, data.getVar(var, False), (data.getVarFlag(var, "eventmask") or "").split(), handlerfn, handlerln)
data.setVar('BBINCLUDED',bb.parse.get_file_depends(data))
return data