citadel/poky/scripts/lib/devtool/__init__.py

370 lines
14 KiB
Python

#!/usr/bin/env python3
# Development tool - utility functions for plugins
#
# Copyright (C) 2014 Intel Corporation
#
# 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.
"""Devtool plugins module"""
import os
import sys
import subprocess
import logging
import re
import codecs
logger = logging.getLogger('devtool')
class DevtoolError(Exception):
"""Exception for handling devtool errors"""
def __init__(self, message, exitcode=1):
super(DevtoolError, self).__init__(message)
self.exitcode = exitcode
def exec_build_env_command(init_path, builddir, cmd, watch=False, **options):
"""Run a program in bitbake build context"""
import bb
if not 'cwd' in options:
options["cwd"] = builddir
if init_path:
# As the OE init script makes use of BASH_SOURCE to determine OEROOT,
# and can't determine it when running under dash, we need to set
# the executable to bash to correctly set things up
if not 'executable' in options:
options['executable'] = 'bash'
logger.debug('Executing command: "%s" using init path %s' % (cmd, init_path))
init_prefix = '. %s %s > /dev/null && ' % (init_path, builddir)
else:
logger.debug('Executing command "%s"' % cmd)
init_prefix = ''
if watch:
if sys.stdout.isatty():
# Fool bitbake into thinking it's outputting to a terminal (because it is, indirectly)
cmd = 'script -e -q -c "%s" /dev/null' % cmd
return exec_watch('%s%s' % (init_prefix, cmd), **options)
else:
return bb.process.run('%s%s' % (init_prefix, cmd), **options)
def exec_watch(cmd, **options):
"""Run program with stdout shown on sys.stdout"""
import bb
if isinstance(cmd, str) and not "shell" in options:
options["shell"] = True
process = subprocess.Popen(
cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **options
)
reader = codecs.getreader('utf-8')(process.stdout)
buf = ''
while True:
out = reader.read(1, 1)
if out:
sys.stdout.write(out)
sys.stdout.flush()
buf += out
elif out == '' and process.poll() != None:
break
if process.returncode != 0:
raise bb.process.ExecutionError(cmd, process.returncode, buf, None)
return buf, None
def exec_fakeroot(d, cmd, **kwargs):
"""Run a command under fakeroot (pseudo, in fact) so that it picks up the appropriate file permissions"""
# Grab the command and check it actually exists
fakerootcmd = d.getVar('FAKEROOTCMD')
if not os.path.exists(fakerootcmd):
logger.error('pseudo executable %s could not be found - have you run a build yet? pseudo-native should install this and if you have run any build then that should have been built')
return 2
# Set up the appropriate environment
newenv = dict(os.environ)
fakerootenv = d.getVar('FAKEROOTENV')
for varvalue in fakerootenv.split():
if '=' in varvalue:
splitval = varvalue.split('=', 1)
newenv[splitval[0]] = splitval[1]
return subprocess.call("%s %s" % (fakerootcmd, cmd), env=newenv, **kwargs)
def setup_tinfoil(config_only=False, basepath=None, tracking=False):
"""Initialize tinfoil api from bitbake"""
import scriptpath
orig_cwd = os.path.abspath(os.curdir)
try:
if basepath:
os.chdir(basepath)
bitbakepath = scriptpath.add_bitbake_lib_path()
if not bitbakepath:
logger.error("Unable to find bitbake by searching parent directory of this script or PATH")
sys.exit(1)
import bb.tinfoil
tinfoil = bb.tinfoil.Tinfoil(tracking=tracking)
try:
tinfoil.logger.setLevel(logger.getEffectiveLevel())
tinfoil.prepare(config_only)
except bb.tinfoil.TinfoilUIException:
tinfoil.shutdown()
raise DevtoolError('Failed to start bitbake environment')
except:
tinfoil.shutdown()
raise
finally:
os.chdir(orig_cwd)
return tinfoil
def parse_recipe(config, tinfoil, pn, appends, filter_workspace=True):
"""Parse the specified recipe"""
try:
recipefile = tinfoil.get_recipe_file(pn)
except bb.providers.NoProvider as e:
logger.error(str(e))
return None
if appends:
append_files = tinfoil.get_file_appends(recipefile)
if filter_workspace:
# Filter out appends from the workspace
append_files = [path for path in append_files if
not path.startswith(config.workspace_path)]
else:
append_files = None
try:
rd = tinfoil.parse_recipe_file(recipefile, appends, append_files)
except Exception as e:
logger.error(str(e))
return None
return rd
def check_workspace_recipe(workspace, pn, checksrc=True, bbclassextend=False):
"""
Check that a recipe is in the workspace and (optionally) that source
is present.
"""
workspacepn = pn
for recipe, value in workspace.items():
if recipe == pn:
break
if bbclassextend:
recipefile = value['recipefile']
if recipefile:
targets = get_bbclassextend_targets(recipefile, recipe)
if pn in targets:
workspacepn = recipe
break
else:
raise DevtoolError("No recipe named '%s' in your workspace" % pn)
if checksrc:
srctree = workspace[workspacepn]['srctree']
if not os.path.exists(srctree):
raise DevtoolError("Source tree %s for recipe %s does not exist" % (srctree, workspacepn))
if not os.listdir(srctree):
raise DevtoolError("Source tree %s for recipe %s is empty" % (srctree, workspacepn))
return workspacepn
def use_external_build(same_dir, no_same_dir, d):
"""
Determine if we should use B!=S (separate build and source directories) or not
"""
b_is_s = True
if no_same_dir:
logger.info('Using separate build directory since --no-same-dir specified')
b_is_s = False
elif same_dir:
logger.info('Using source tree as build directory since --same-dir specified')
elif bb.data.inherits_class('autotools-brokensep', d):
logger.info('Using source tree as build directory since recipe inherits autotools-brokensep')
elif os.path.abspath(d.getVar('B')) == os.path.abspath(d.getVar('S')):
logger.info('Using source tree as build directory since that would be the default for this recipe')
else:
b_is_s = False
return b_is_s
def setup_git_repo(repodir, version, devbranch, basetag='devtool-base', d=None):
"""
Set up the git repository for the source tree
"""
import bb.process
import oe.patch
if not os.path.exists(os.path.join(repodir, '.git')):
bb.process.run('git init', cwd=repodir)
bb.process.run('git add .', cwd=repodir)
commit_cmd = ['git']
oe.patch.GitApplyTree.gitCommandUserOptions(commit_cmd, d=d)
commit_cmd += ['commit', '-q']
stdout, _ = bb.process.run('git status --porcelain', cwd=repodir)
if not stdout:
commit_cmd.append('--allow-empty')
commitmsg = "Initial empty commit with no upstream sources"
elif version:
commitmsg = "Initial commit from upstream at version %s" % version
else:
commitmsg = "Initial commit from upstream"
commit_cmd += ['-m', commitmsg]
bb.process.run(commit_cmd, cwd=repodir)
bb.process.run('git checkout -b %s' % devbranch, cwd=repodir)
bb.process.run('git tag -f %s' % basetag, cwd=repodir)
def recipe_to_append(recipefile, config, wildcard=False):
"""
Convert a recipe file to a bbappend file path within the workspace.
NOTE: if the bbappend already exists, you should be using
workspace[args.recipename]['bbappend'] instead of calling this
function.
"""
appendname = os.path.splitext(os.path.basename(recipefile))[0]
if wildcard:
appendname = re.sub(r'_.*', '_%', appendname)
appendpath = os.path.join(config.workspace_path, 'appends')
appendfile = os.path.join(appendpath, appendname + '.bbappend')
return appendfile
def get_bbclassextend_targets(recipefile, pn):
"""
Cheap function to get BBCLASSEXTEND and then convert that to the
list of targets that would result.
"""
import bb.utils
values = {}
def get_bbclassextend_varfunc(varname, origvalue, op, newlines):
values[varname] = origvalue
return origvalue, None, 0, True
with open(recipefile, 'r') as f:
bb.utils.edit_metadata(f, ['BBCLASSEXTEND'], get_bbclassextend_varfunc)
targets = []
bbclassextend = values.get('BBCLASSEXTEND', '').split()
if bbclassextend:
for variant in bbclassextend:
if variant == 'nativesdk':
targets.append('%s-%s' % (variant, pn))
elif variant in ['native', 'cross', 'crosssdk']:
targets.append('%s-%s' % (pn, variant))
return targets
def replace_from_file(path, old, new):
"""Replace strings on a file"""
def read_file(path):
data = None
with open(path) as f:
data = f.read()
return data
def write_file(path, data):
if data is None:
return
wdata = data.rstrip() + "\n"
with open(path, "w") as f:
f.write(wdata)
# In case old is None, return immediately
if old is None:
return
try:
rdata = read_file(path)
except IOError as e:
# if file does not exit, just quit, otherwise raise an exception
if e.errno == errno.ENOENT:
return
else:
raise
old_contents = rdata.splitlines()
new_contents = []
for old_content in old_contents:
try:
new_contents.append(old_content.replace(old, new))
except ValueError:
pass
write_file(path, "\n".join(new_contents))
def update_unlockedsigs(basepath, workspace, fixed_setup, extra=None):
""" This function will make unlocked-sigs.inc match the recipes in the
workspace plus any extras we want unlocked. """
if not fixed_setup:
# Only need to write this out within the eSDK
return
if not extra:
extra = []
confdir = os.path.join(basepath, 'conf')
unlockedsigs = os.path.join(confdir, 'unlocked-sigs.inc')
# Get current unlocked list if any
values = {}
def get_unlockedsigs_varfunc(varname, origvalue, op, newlines):
values[varname] = origvalue
return origvalue, None, 0, True
if os.path.exists(unlockedsigs):
with open(unlockedsigs, 'r') as f:
bb.utils.edit_metadata(f, ['SIGGEN_UNLOCKED_RECIPES'], get_unlockedsigs_varfunc)
unlocked = sorted(values.get('SIGGEN_UNLOCKED_RECIPES', []))
# If the new list is different to the current list, write it out
newunlocked = sorted(list(workspace.keys()) + extra)
if unlocked != newunlocked:
bb.utils.mkdirhier(confdir)
with open(unlockedsigs, 'w') as f:
f.write("# DO NOT MODIFY! YOUR CHANGES WILL BE LOST.\n" +
"# This layer was created by the OpenEmbedded devtool" +
" utility in order to\n" +
"# contain recipes that are unlocked.\n")
f.write('SIGGEN_UNLOCKED_RECIPES += "\\\n')
for pn in newunlocked:
f.write(' ' + pn)
f.write('"')
def check_prerelease_version(ver, operation):
if 'pre' in ver or 'rc' in ver:
logger.warning('Version "%s" looks like a pre-release version. '
'If that is the case, in order to ensure that the '
'version doesn\'t appear to go backwards when you '
'later upgrade to the final release version, it is '
'recommmended that instead you use '
'<current version>+<pre-release version> e.g. if '
'upgrading from 1.9 to 2.0-rc2 use "1.9+2.0-rc2". '
'If you prefer not to reset and re-try, you can change '
'the version after %s succeeds using "devtool rename" '
'with -V/--version.' % (ver, operation))
def check_git_repo_dirty(repodir):
"""Check if a git repository is clean or not"""
stdout, _ = bb.process.run('git status --porcelain', cwd=repodir)
return stdout
def check_git_repo_op(srctree, ignoredirs=None):
"""Check if a git repository is in the middle of a rebase"""
stdout, _ = bb.process.run('git rev-parse --show-toplevel', cwd=srctree)
topleveldir = stdout.strip()
if ignoredirs and topleveldir in ignoredirs:
return
gitdir = os.path.join(topleveldir, '.git')
if os.path.exists(os.path.join(gitdir, 'rebase-merge')):
raise DevtoolError("Source tree %s appears to be in the middle of a rebase - please resolve this first" % srctree)
if os.path.exists(os.path.join(gitdir, 'rebase-apply')):
raise DevtoolError("Source tree %s appears to be in the middle of 'git am' or 'git apply' - please resolve this first" % srctree)