1 files changed, 138 insertions, 0 deletions
diff --git a/yocto-poky/scripts/lib/devtool/__init__.py b/yocto-poky/scripts/lib/devtool/__init__.py
new file mode 100644
index 000000000..404d3e664
--- /dev/null
+++ b/yocto-poky/scripts/lib/devtool/__init__.py
@@ -0,0 +1,138 @@
+#!/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
+
+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):
+    """Initialize tinfoil api from bitbake"""
+    import scriptpath
+    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()
+    tinfoil.prepare(config_only)
+    tinfoil.logger.setLevel(logger.getEffectiveLevel())
+    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):
+    """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)
+        # Filter out appends from the workspace
+        append_files = [path for path in append_files if
+                        not path.startswith(config.workspace_path)]
+    return oe.recipeutils.parse_recipe(recipefile, append_files,
+                                       tinfoil.config_data)