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-rw-r--r--bitbake-dev/lib/bb/build.py394
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diff --git a/bitbake-dev/lib/bb/build.py b/bitbake-dev/lib/bb/build.py
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--- a/bitbake-dev/lib/bb/build.py
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@@ -1,394 +0,0 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
-#
-# BitBake 'Build' implementation
-#
-# Core code for function execution and task handling in the
-# BitBake build tools.
-#
-# Copyright (C) 2003, 2004 Chris Larson
-#
-# Based on Gentoo's portage.py.
-#
-# 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.
-#
-#Based on functions from the base bb module, Copyright 2003 Holger Schurig
-
-from bb import data, event, mkdirhier, utils
-import bb, os, sys
-
-# When we execute a python function we'd like certain things
-# in all namespaces, hence we add them to __builtins__
-# If we do not do this and use the exec globals, they will
-# not be available to subfunctions.
-__builtins__['bb'] = bb
-__builtins__['os'] = os
-
-# events
-class FuncFailed(Exception):
- """
- Executed function failed
- First parameter a message
- Second paramter is a logfile (optional)
- """
-
-class EventException(Exception):
- """Exception which is associated with an Event."""
-
- def __init__(self, msg, event):
- self.args = msg, event
-
-class TaskBase(event.Event):
- """Base class for task events"""
-
- def __init__(self, t, d ):
- self._task = t
- self._package = bb.data.getVar("PF", d, 1)
- event.Event.__init__(self)
- self._message = "package %s: task %s: %s" % (bb.data.getVar("PF", d, 1), t, bb.event.getName(self)[4:])
-
- def getTask(self):
- return self._task
-
- def setTask(self, task):
- self._task = task
-
- task = property(getTask, setTask, None, "task property")
-
-class TaskStarted(TaskBase):
- """Task execution started"""
-
-class TaskSucceeded(TaskBase):
- """Task execution completed"""
-
-class TaskFailed(TaskBase):
- """Task execution failed"""
- def __init__(self, msg, logfile, t, d ):
- self.logfile = logfile
- self.msg = msg
- TaskBase.__init__(self, t, d)
-
-class InvalidTask(TaskBase):
- """Invalid Task"""
-
-# functions
-
-def exec_func(func, d, dirs = None):
- """Execute an BB 'function'"""
-
- body = data.getVar(func, d)
- if not body:
- return
-
- flags = data.getVarFlags(func, d)
- for item in ['deps', 'check', 'interactive', 'python', 'cleandirs', 'dirs', 'lockfiles', 'fakeroot']:
- if not item in flags:
- flags[item] = None
-
- ispython = flags['python']
-
- cleandirs = (data.expand(flags['cleandirs'], d) or "").split()
- for cdir in cleandirs:
- os.system("rm -rf %s" % cdir)
-
- if dirs:
- dirs = data.expand(dirs, d)
- else:
- dirs = (data.expand(flags['dirs'], d) or "").split()
- for adir in dirs:
- mkdirhier(adir)
-
- if len(dirs) > 0:
- adir = dirs[-1]
- else:
- adir = data.getVar('B', d, 1)
-
- # Save current directory
- try:
- prevdir = os.getcwd()
- except OSError:
- prevdir = data.getVar('TOPDIR', d, True)
-
- # Setup logfiles
- t = data.getVar('T', d, 1)
- if not t:
- bb.msg.fatal(bb.msg.domain.Build, "T not set")
- mkdirhier(t)
- # Gross hack, FIXME
- import random
- logfile = "%s/log.%s.%s.%s" % (t, func, str(os.getpid()),random.random())
- runfile = "%s/run.%s.%s" % (t, func, str(os.getpid()))
-
- # Change to correct directory (if specified)
- if adir and os.access(adir, os.F_OK):
- os.chdir(adir)
-
- # Handle logfiles
- si = file('/dev/null', 'r')
- try:
- if bb.msg.debug_level['default'] > 0 or ispython:
- so = os.popen("tee \"%s\"" % logfile, "w")
- else:
- so = file(logfile, 'w')
- except OSError, e:
- bb.msg.error(bb.msg.domain.Build, "opening log file: %s" % e)
- pass
-
- se = so
-
- # Dup the existing fds so we dont lose them
- osi = [os.dup(sys.stdin.fileno()), sys.stdin.fileno()]
- oso = [os.dup(sys.stdout.fileno()), sys.stdout.fileno()]
- ose = [os.dup(sys.stderr.fileno()), sys.stderr.fileno()]
-
- # Replace those fds with our own
- os.dup2(si.fileno(), osi[1])
- os.dup2(so.fileno(), oso[1])
- os.dup2(se.fileno(), ose[1])
-
- locks = []
- lockfiles = (data.expand(flags['lockfiles'], d) or "").split()
- for lock in lockfiles:
- locks.append(bb.utils.lockfile(lock))
-
- try:
- # Run the function
- if ispython:
- exec_func_python(func, d, runfile, logfile)
- else:
- exec_func_shell(func, d, runfile, logfile, flags)
-
- # Restore original directory
- try:
- os.chdir(prevdir)
- except:
- pass
-
- finally:
-
- # Unlock any lockfiles
- for lock in locks:
- bb.utils.unlockfile(lock)
-
- # Restore the backup fds
- os.dup2(osi[0], osi[1])
- os.dup2(oso[0], oso[1])
- os.dup2(ose[0], ose[1])
-
- # Close our logs
- si.close()
- so.close()
- se.close()
-
- if os.path.exists(logfile) and os.path.getsize(logfile) == 0:
- bb.msg.debug(2, bb.msg.domain.Build, "Zero size logfile %s, removing" % logfile)
- os.remove(logfile)
-
- # Close the backup fds
- os.close(osi[0])
- os.close(oso[0])
- os.close(ose[0])
-
-def exec_func_python(func, d, runfile, logfile):
- """Execute a python BB 'function'"""
- import re, os
-
- bbfile = bb.data.getVar('FILE', d, 1)
- tmp = "def " + func + "():\n%s" % data.getVar(func, d)
- tmp += '\n' + func + '()'
-
- f = open(runfile, "w")
- f.write(tmp)
- comp = utils.better_compile(tmp, func, bbfile)
- g = {} # globals
- g['d'] = d
- try:
- utils.better_exec(comp, g, tmp, bbfile)
- except:
- (t,value,tb) = sys.exc_info()
-
- if t in [bb.parse.SkipPackage, bb.build.FuncFailed]:
- raise
- bb.msg.error(bb.msg.domain.Build, "Function %s failed" % func)
- raise FuncFailed("function %s failed" % func, logfile)
-
-def exec_func_shell(func, d, runfile, logfile, flags):
- """Execute a shell BB 'function' Returns true if execution was successful.
-
- For this, it creates a bash shell script in the tmp dectory, writes the local
- data into it and finally executes. The output of the shell will end in a log file and stdout.
-
- Note on directory behavior. The 'dirs' varflag should contain a list
- of the directories you need created prior to execution. The last
- item in the list is where we will chdir/cd to.
- """
-
- deps = flags['deps']
- check = flags['check']
- if check in globals():
- if globals()[check](func, deps):
- return
-
- f = open(runfile, "w")
- f.write("#!/bin/sh -e\n")
- if bb.msg.debug_level['default'] > 0: f.write("set -x\n")
- data.emit_env(f, d)
-
- f.write("cd %s\n" % os.getcwd())
- if func: f.write("%s\n" % func)
- f.close()
- os.chmod(runfile, 0775)
- if not func:
- bb.msg.error(bb.msg.domain.Build, "Function not specified")
- raise FuncFailed("Function not specified for exec_func_shell")
-
- # execute function
- if flags['fakeroot']:
- maybe_fakeroot = "PATH=\"%s\" fakeroot " % bb.data.getVar("PATH", d, 1)
- else:
- maybe_fakeroot = ''
- lang_environment = "LC_ALL=C "
- ret = os.system('%s%ssh -e %s' % (lang_environment, maybe_fakeroot, runfile))
-
- if ret == 0:
- return
-
- bb.msg.error(bb.msg.domain.Build, "Function %s failed" % func)
- raise FuncFailed("function %s failed" % func, logfile)
-
-
-def exec_task(task, d):
- """Execute an BB 'task'
-
- The primary difference between executing a task versus executing
- a function is that a task exists in the task digraph, and therefore
- has dependencies amongst other tasks."""
-
- # Check whther this is a valid task
- if not data.getVarFlag(task, 'task', d):
- raise EventException("No such task", InvalidTask(task, d))
-
- try:
- bb.msg.debug(1, bb.msg.domain.Build, "Executing task %s" % task)
- old_overrides = data.getVar('OVERRIDES', d, 0)
- localdata = data.createCopy(d)
- data.setVar('OVERRIDES', 'task-%s:%s' % (task[3:], old_overrides), localdata)
- data.update_data(localdata)
- data.expandKeys(localdata)
- event.fire(TaskStarted(task, localdata), localdata)
- exec_func(task, localdata)
- event.fire(TaskSucceeded(task, localdata), localdata)
- except FuncFailed, message:
- # Try to extract the optional logfile
- try:
- (msg, logfile) = message
- except:
- logfile = None
- msg = message
- bb.msg.note(1, bb.msg.domain.Build, "Task failed: %s" % message )
- failedevent = TaskFailed(msg, logfile, task, d)
- event.fire(failedevent, d)
- raise EventException("Function failed in task: %s" % message, failedevent)
-
- # make stamp, or cause event and raise exception
- if not data.getVarFlag(task, 'nostamp', d) and not data.getVarFlag(task, 'selfstamp', d):
- make_stamp(task, d)
-
-def extract_stamp(d, fn):
- """
- Extracts stamp format which is either a data dictonary (fn unset)
- or a dataCache entry (fn set).
- """
- if fn:
- return d.stamp[fn]
- return data.getVar('STAMP', d, 1)
-
-def stamp_internal(task, d, file_name):
- """
- Internal stamp helper function
- Removes any stamp for the given task
- Makes sure the stamp directory exists
- Returns the stamp path+filename
- """
- stamp = extract_stamp(d, file_name)
- if not stamp:
- return
- stamp = "%s.%s" % (stamp, task)
- mkdirhier(os.path.dirname(stamp))
- # Remove the file and recreate to force timestamp
- # change on broken NFS filesystems
- if os.access(stamp, os.F_OK):
- os.remove(stamp)
- return stamp
-
-def make_stamp(task, d, file_name = None):
- """
- Creates/updates a stamp for a given task
- (d can be a data dict or dataCache)
- """
- stamp = stamp_internal(task, d, file_name)
- if stamp:
- f = open(stamp, "w")
- f.close()
-
-def del_stamp(task, d, file_name = None):
- """
- Removes a stamp for a given task
- (d can be a data dict or dataCache)
- """
- stamp_internal(task, d, file_name)
-
-def add_tasks(tasklist, d):
- task_deps = data.getVar('_task_deps', d)
- if not task_deps:
- task_deps = {}
- if not 'tasks' in task_deps:
- task_deps['tasks'] = []
- if not 'parents' in task_deps:
- task_deps['parents'] = {}
-
- for task in tasklist:
- task = data.expand(task, d)
- data.setVarFlag(task, 'task', 1, d)
-
- if not task in task_deps['tasks']:
- task_deps['tasks'].append(task)
-
- flags = data.getVarFlags(task, d)
- def getTask(name):
- if not name in task_deps:
- task_deps[name] = {}
- if name in flags:
- deptask = data.expand(flags[name], d)
- task_deps[name][task] = deptask
- getTask('depends')
- getTask('deptask')
- getTask('rdeptask')
- getTask('recrdeptask')
- getTask('nostamp')
- task_deps['parents'][task] = []
- for dep in flags['deps']:
- dep = data.expand(dep, d)
- task_deps['parents'][task].append(dep)
-
- # don't assume holding a reference
- data.setVar('_task_deps', task_deps, d)
-
-def remove_task(task, kill, d):
- """Remove an BB 'task'.
-
- If kill is 1, also remove tasks that depend on this task."""
-
- data.delVarFlag(task, 'task', d)
-
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