summaryrefslogtreecommitdiffstats
path: root/bitbake/lib/bb/cookerdata.py
blob: 0b436b37e6b0faf4e06e472ff256cad36e54842b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
#!/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
from bb import data

logger      = logging.getLogger("BitBake")
parselog    = logging.getLogger("BitBake.Parsing")

class ConfigParameters(object):
    def __init__(self):
        self.options, targets = self.parseCommandLine()
        self.environment = self.parseEnvironment()

        self.options.pkgs_to_build = targets or []

        self.options.tracking = False
        if self.options.show_environment:
            self.options.tracking = True

        for key, val in self.options.__dict__.items():
            setattr(self, key, val)

    def parseCommandLine(self):
        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", "BBPKGS"])
            if error:
                raise Exception("Unable to get the value of BBPKGS from the server: %s" % error)
            if bbpkgs:
                self.options.pkgs_to_build.extend(bbpkgs.split())

    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

    def setConfigParameters(self, parameters):
        self.params = parameters
        for key, val in parameters.options.__dict__.items():
            setattr(self, key, val)

    def setServerRegIdleCallback(self, srcb):
        self.server_register_idlecallback = srcb

def catch_parse_error(func):
    """Exception handling bits for our parsing"""
    @wraps(func)
    def wrapped(fn, *args):
        try:
            return func(fn, *args)
        except (IOError, bb.parse.ParseError, bb.data_smart.ExpansionError) as exc:
            parselog.critical("Unable to parse %s: %s" % (fn, exc))
            sys.exit(1)
    return wrapped

@catch_parse_error
def _parse(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):
    path = os.getcwd()
    while path != "/":
        confpath = os.path.join(path, "conf", configfile)
        if os.path.exists(confpath):
            return confpath

        path, _ = os.path.split(path)
    return None

class CookerDataBuilder(object):

    def __init__(self, params, worker = False):

        self.prefiles = params.prefile
        self.postfiles = params.postfile
        self.tracking = params.tracking

        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()
        savedenv = params.environment
        for k in savedenv:
            self.savedenv.setVar(k, savedenv[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:
            sys.exit(1)
        except Exception:
            logger.exception("Error parsing configuration files")
            sys.exit(1)

    def _findLayerConf(self):
        return findConfigFile("bblayers.conf")

    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(f, data)

        layerconf = self._findLayerConf()
        if layerconf:
            parselog.debug(2, "Found bblayers.conf (%s)", layerconf)
            data = _parse(layerconf, data)

            layers = (data.getVar('BBLAYERS', True) or "").split()

            data = bb.data.createCopy(data)
            for layer in layers:
                parselog.debug(2, "Adding layer %s", layer)
                data.setVar('LAYERDIR', layer)
                data = _parse(os.path.join(layer, "conf", "layer.conf"), data)
                data.expandVarref('LAYERDIR')

            data.delVar('LAYERDIR')

        if not data.getVar("BBPATH", True):
            raise SystemExit("The BBPATH variable is not set")

        data = _parse(os.path.join("conf", "bitbake.conf"), data)

        # Parse files for loading *after* bitbake.conf and any includes
        for p in postfiles:
            data = _parse(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') or []:
            bb.event.register(var, data.getVar(var))

        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") 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()