1
0
forked from brl/citadel
citadel/poky/scripts/lib/scriptutils.py

242 lines
9.2 KiB
Python

# Script utility functions
#
# 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.
import sys
import os
import logging
import glob
import argparse
import subprocess
import tempfile
import shutil
import random
import string
def logger_create(name, stream=None):
logger = logging.getLogger(name)
loggerhandler = logging.StreamHandler(stream=stream)
loggerhandler.setFormatter(logging.Formatter("%(levelname)s: %(message)s"))
logger.addHandler(loggerhandler)
logger.setLevel(logging.INFO)
return logger
def logger_setup_color(logger, color='auto'):
from bb.msg import BBLogFormatter
console = logging.StreamHandler(sys.stdout)
formatter = BBLogFormatter("%(levelname)s: %(message)s")
console.setFormatter(formatter)
logger.handlers = [console]
if color == 'always' or (color=='auto' and console.stream.isatty()):
formatter.enable_color()
def load_plugins(logger, plugins, pluginpath):
import imp
def load_plugin(name):
logger.debug('Loading plugin %s' % name)
fp, pathname, description = imp.find_module(name, [pluginpath])
try:
return imp.load_module(name, fp, pathname, description)
finally:
if fp:
fp.close()
def plugin_name(filename):
return os.path.splitext(os.path.basename(filename))[0]
known_plugins = [plugin_name(p.__name__) for p in plugins]
logger.debug('Loading plugins from %s...' % pluginpath)
for fn in glob.glob(os.path.join(pluginpath, '*.py')):
name = plugin_name(fn)
if name != '__init__' and name not in known_plugins:
plugin = load_plugin(name)
if hasattr(plugin, 'plugin_init'):
plugin.plugin_init(plugins)
plugins.append(plugin)
def git_convert_standalone_clone(repodir):
"""If specified directory is a git repository, ensure it's a standalone clone"""
import bb.process
if os.path.exists(os.path.join(repodir, '.git')):
alternatesfile = os.path.join(repodir, '.git', 'objects', 'info', 'alternates')
if os.path.exists(alternatesfile):
# This will have been cloned with -s, so we need to convert it so none
# of the contents is shared
bb.process.run('git repack -a', cwd=repodir)
os.remove(alternatesfile)
def _get_temp_recipe_dir(d):
# This is a little bit hacky but we need to find a place where we can put
# the recipe so that bitbake can find it. We're going to delete it at the
# end so it doesn't really matter where we put it.
bbfiles = d.getVar('BBFILES').split()
fetchrecipedir = None
for pth in bbfiles:
if pth.endswith('.bb'):
pthdir = os.path.dirname(pth)
if os.access(os.path.dirname(os.path.dirname(pthdir)), os.W_OK):
fetchrecipedir = pthdir.replace('*', 'recipetool')
if pthdir.endswith('workspace/recipes/*'):
# Prefer the workspace
break
return fetchrecipedir
class FetchUrlFailure(Exception):
def __init__(self, url):
self.url = url
def __str__(self):
return "Failed to fetch URL %s" % self.url
def fetch_url(tinfoil, srcuri, srcrev, destdir, logger, preserve_tmp=False, mirrors=False):
"""
Fetch the specified URL using normal do_fetch and do_unpack tasks, i.e.
any dependencies that need to be satisfied in order to support the fetch
operation will be taken care of
"""
import bb
checksums = {}
fetchrecipepn = None
# We need to put our temp directory under ${BASE_WORKDIR} otherwise
# we may have problems with the recipe-specific sysroot population
tmpparent = tinfoil.config_data.getVar('BASE_WORKDIR')
bb.utils.mkdirhier(tmpparent)
tmpdir = tempfile.mkdtemp(prefix='recipetool-', dir=tmpparent)
try:
tmpworkdir = os.path.join(tmpdir, 'work')
logger.debug('fetch_url: temp dir is %s' % tmpdir)
fetchrecipedir = _get_temp_recipe_dir(tinfoil.config_data)
if not fetchrecipedir:
logger.error('Searched BBFILES but unable to find a writeable place to put temporary recipe')
sys.exit(1)
fetchrecipe = None
bb.utils.mkdirhier(fetchrecipedir)
try:
# Generate a dummy recipe so we can follow more or less normal paths
# for do_fetch and do_unpack
# I'd use tempfile functions here but underscores can be produced by that and those
# aren't allowed in recipe file names except to separate the version
rndstring = ''.join(random.choice(string.ascii_lowercase + string.digits) for _ in range(8))
fetchrecipe = os.path.join(fetchrecipedir, 'tmp-recipetool-%s.bb' % rndstring)
fetchrecipepn = os.path.splitext(os.path.basename(fetchrecipe))[0]
logger.debug('Generating initial recipe %s for fetching' % fetchrecipe)
with open(fetchrecipe, 'w') as f:
# We don't want to have to specify LIC_FILES_CHKSUM
f.write('LICENSE = "CLOSED"\n')
# We don't need the cross-compiler
f.write('INHIBIT_DEFAULT_DEPS = "1"\n')
# We don't have the checksums yet so we can't require them
f.write('BB_STRICT_CHECKSUM = "ignore"\n')
f.write('SRC_URI = "%s"\n' % srcuri)
f.write('SRCREV = "%s"\n' % srcrev)
f.write('WORKDIR = "%s"\n' % tmpworkdir)
# Set S out of the way so it doesn't get created under the workdir
f.write('S = "%s"\n' % os.path.join(tmpdir, 'emptysrc'))
if not mirrors:
# We do not need PREMIRRORS since we are almost certainly
# fetching new source rather than something that has already
# been fetched. Hence, we disable them by default.
# However, we provide an option for users to enable it.
f.write('PREMIRRORS = ""\n')
f.write('MIRRORS = ""\n')
logger.info('Fetching %s...' % srcuri)
# FIXME this is too noisy at the moment
# Parse recipes so our new recipe gets picked up
tinfoil.parse_recipes()
def eventhandler(event):
if isinstance(event, bb.fetch2.MissingChecksumEvent):
checksums.update(event.checksums)
return True
return False
# Run the fetch + unpack tasks
res = tinfoil.build_targets(fetchrecipepn,
'do_unpack',
handle_events=True,
extra_events=['bb.fetch2.MissingChecksumEvent'],
event_callback=eventhandler)
if not res:
raise FetchUrlFailure(srcuri)
# Remove unneeded directories
rd = tinfoil.parse_recipe(fetchrecipepn)
if rd:
pathvars = ['T', 'RECIPE_SYSROOT', 'RECIPE_SYSROOT_NATIVE']
for pathvar in pathvars:
path = rd.getVar(pathvar)
shutil.rmtree(path)
finally:
if fetchrecipe:
try:
os.remove(fetchrecipe)
except FileNotFoundError:
pass
try:
os.rmdir(fetchrecipedir)
except OSError as e:
import errno
if e.errno != errno.ENOTEMPTY:
raise
bb.utils.mkdirhier(destdir)
for fn in os.listdir(tmpworkdir):
shutil.move(os.path.join(tmpworkdir, fn), destdir)
finally:
if not preserve_tmp:
shutil.rmtree(tmpdir)
tmpdir = None
return checksums, tmpdir
def run_editor(fn, logger=None):
if isinstance(fn, str):
params = '"%s"' % fn
else:
params = ''
for fnitem in fn:
params += ' "%s"' % fnitem
editor = os.getenv('VISUAL', os.getenv('EDITOR', 'vi'))
try:
return subprocess.check_call('%s %s' % (editor, params), shell=True)
except subprocess.CalledProcessError as exc:
logger.error("Execution of '%s' failed: %s" % (editor, exc))
return 1
def is_src_url(param):
"""
Check if a parameter is a URL and return True if so
NOTE: be careful about changing this as it will influence how devtool/recipetool command line handling works
"""
if not param:
return False
elif '://' in param:
return True
elif param.startswith('git@') or ('@' in param and param.endswith('.git')):
return True
return False