[Toaster] [PATCH 4/6] toaster: add get_or_create_targets API

[Ed Bartosh]

Target objects are created before the build if build is
started from UI in build mode. However, in analysis mode Target
objects don't exist and need to be created using information
from bitbake events.

Added new API call get_or_create_targets to retrive existing
target objects or create them if they don't exist yet.

Signed-off-by: Ed Bartosh <ed.bartosh at linux.intel.com>
---
 bitbake/lib/bb/ui/buildinfohelper.py | 29 ++++++++++++++---------------
 1 file changed, 14 insertions(+), 15 deletions(-)

diff --git a/bitbake/lib/bb/ui/buildinfohelper.py b/bitbake/lib/bb/ui/buildinfohelper.py
index 34a8694..793418a 100644
--- a/bitbake/lib/bb/ui/buildinfohelper.py
+++ b/bitbake/lib/bb/ui/buildinfohelper.py
@@ -162,8 +162,6 @@ class ORMWrapper(object):
             build.bitbake_version=build_info['bitbake_version']
             build.save()
 
-            Target.objects.filter(build = build).delete()
-
         else:
             build = Build.objects.create(
                                     project = prj,
@@ -184,18 +182,19 @@ class ORMWrapper(object):
 
         return build
 
-    def create_target_objects(self, target_info):
-        assert 'build' in target_info
-        assert 'targets' in target_info
-
-        targets = []
-        for tgt_name in target_info['targets']:
-            tgt_object = Target.objects.create( build = target_info['build'],
-                                    target = tgt_name,
-                                    is_image = False,
-                                    )
-            targets.append(tgt_object)
-        return targets
+    @staticmethod
+    def get_or_create_targets(target_info):
+        result = []
+        for target in target_info['targets']:
+            obj, created = Target.objects.get_or_create(build=target_info['build'],
+                                                        target=target)
+            if created:
+                obj.is_image = False
+                if target_info['task']:
+                    obj.task = target_info['task']
+                obj.save()
+            result.append(obj)
+        return result
 
     def update_build_object(self, build, errors, warnings, taskfailures):
         assert isinstance(build,Build)
@@ -932,7 +931,7 @@ class BuildInfoHelper(object):
             task = ''
         target_information['task'] = task
 
-        self.internal_state['targets'] = self.orm_wrapper.create_target_objects(target_information)
+        self.internal_state['targets'] = self.orm_wrapper.get_or_create_targets(target_information)
 
         # Save build configuration
         data = self.server.runCommand(["getAllKeysWithFlags", ["doc", "func"]])[0]
-- 
2.1.4