diff options
Diffstat (limited to 'scripts/lib/devtool/__init__.py')
| -rw-r--r-- | scripts/lib/devtool/__init__.py | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/scripts/lib/devtool/__init__.py b/scripts/lib/devtool/__init__.py new file mode 100644 index 0000000..ff97dfc --- /dev/null +++ b/scripts/lib/devtool/__init__.py @@ -0,0 +1,257 @@ +#!/usr/bin/env python + +# 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 + +logger = logging.getLogger('devtool') + + +class DevtoolError(Exception): + """Exception for handling devtool errors""" + pass + + +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, basestring) and not "shell" in options: + options["shell"] = True + + process = subprocess.Popen( + cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **options + ) + + buf = '' + while True: + out = process.stdout.read(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', True) + 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', True) + 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) + tinfoil.prepare(config_only) + tinfoil.logger.setLevel(logger.getEffectiveLevel()) + finally: + os.chdir(orig_cwd) + return tinfoil + +def get_recipe_file(cooker, pn): + """Find recipe file corresponding a package name""" + import oe.recipeutils + recipefile = oe.recipeutils.pn_to_recipe(cooker, pn) + if not recipefile: + skipreasons = oe.recipeutils.get_unavailable_reasons(cooker, pn) + if skipreasons: + logger.error('\n'.join(skipreasons)) + else: + logger.error("Unable to find any recipe file matching %s" % pn) + return recipefile + +def parse_recipe(config, tinfoil, pn, appends, filter_workspace=True): + """Parse recipe of a package""" + import oe.recipeutils + recipefile = get_recipe_file(tinfoil.cooker, pn) + if not recipefile: + # Error already logged + return None + if appends: + append_files = tinfoil.cooker.collection.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 + return oe.recipeutils.parse_recipe(recipefile, append_files, + tinfoil.config_data) + +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.iteritems(): + 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 d.getVar('B', True) == os.path.abspath(d.getVar('S', True)): + 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'): + """ + Set up the git repository for the source tree + """ + import bb.process + 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', '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 |