bitbake: bin/bitbake: Create bitbake_main API

Moved most of functionality of bin/bitbake to lib/bb/main.py
to be able to call bitbake from python code.

(Bitbake rev: d377f7f88d73f4e5d2dffef03d6acee809827ac6)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/cookerdata.py

@@ -33,8 +33,8 @@ logger      = logging.getLogger("BitBake")
 parselog    = logging.getLogger("BitBake.Parsing")
 
 class ConfigParameters(object):
-    def __init__(self):
-        self.options, targets = self.parseCommandLine()
+    def __init__(self, argv=sys.argv):
+        self.options, targets = self.parseCommandLine(argv)
         self.environment = self.parseEnvironment()
 
         self.options.pkgs_to_build = targets or []
@@ -46,7 +46,7 @@ class ConfigParameters(object):
         for key, val in self.options.__dict__.items():
             setattr(self, key, val)
 
-    def parseCommandLine(self):
+    def parseCommandLine(self, argv=sys.argv):
         raise Exception("Caller must implement commandline option parsing")
 
     def parseEnvironment(self):