bitbake: tinfoil: Add file inadvertently not committed

(Bitbake rev: 44a3fb49e817be641090d5d1bce7b586af407d71)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/tinfoil.py

@@ -0,0 +1,98 @@
+# tinfoil: a simple wrapper around cooker for bitbake-based command-line utilities
+#
+# Copyright (C) 2012 Intel Corporation
+# Copyright (C) 2011 Mentor Graphics 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 logging
+import warnings
+import os
+import sys
+
+import bb.cache
+import bb.cooker
+import bb.providers
+import bb.utils
+from bb.cooker import state
+import bb.fetch2
+
+class Tinfoil:
+    def __init__(self):
+        # Needed to avoid deprecation warnings with python 2.6
+        warnings.filterwarnings("ignore", category=DeprecationWarning)
+
+        # Set up logging
+        self.logger = logging.getLogger('BitBake')
+        console = logging.StreamHandler(sys.stdout)
+        format = bb.msg.BBLogFormatter("%(levelname)s: %(message)s")
+        bb.msg.addDefaultlogFilter(console)
+        console.setFormatter(format)
+        self.logger.addHandler(console)
+
+        initialenv = os.environ.copy()
+        bb.utils.clean_environment()
+        self.config = TinfoilConfig(parse_only=True)
+        self.cooker = bb.cooker.BBCooker(self.config,
+                                            self.register_idle_function,
+                                            initialenv)
+        self.config_data = self.cooker.configuration.data
+        bb.providers.logger.setLevel(logging.ERROR)
+        self.cooker_data = None
+
+    def register_idle_function(self, function, data):
+        pass
+
+    def parseRecipes(self):
+        sys.stderr.write("Parsing recipes..")
+        self.logger.setLevel(logging.WARNING)
+
+        try:
+            while self.cooker.state in (state.initial, state.parsing):
+                self.cooker.updateCache()
+        except KeyboardInterrupt:
+            self.cooker.shutdown()
+            self.cooker.updateCache()
+            sys.exit(2)
+
+        self.logger.setLevel(logging.INFO)
+        sys.stderr.write("done.\n")
+
+        self.cooker_data = self.cooker.status
+
+    def prepare(self, config_only = False):
+        if not self.cooker_data:
+            if config_only:
+                self.cooker.parseConfiguration()
+                self.cooker_data = self.cooker.status
+            else:
+                self.parseRecipes()
+
+
+class TinfoilConfig(object):
+    def __init__(self, **options):
+        self.pkgs_to_build = []
+        self.debug_domains = []
+        self.extra_assume_provided = []
+        self.prefile = []
+        self.postfile = []
+        self.debug = 0
+        self.__dict__.update(options)
+
+    def __getattr__(self, attribute):
+        try:
+            return super(TinfoilConfig, self).__getattribute__(attribute)
+        except AttributeError:
+            return None
+