bitbake: hob/bitbake: create a template (a .bb file) from hob through bitbake

Modified generateNewImage function from cooker, in order to be used to
save a template in Hob.
Created a command to ensure that some dirs are created. The templates
(recipes) will be saved in {TOPDIR}/recipes/images folder.
Called these methods from Hob.

[YOCTO #4193]
(Bitbake rev: 96ffa00945c7eb09a0132fa47159aef3ef20fb3e)

Signed-off-by: Cristiana Voicu <cristiana.voicu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/command.py

@@ -214,7 +214,13 @@ class CommandsSync:
         image = params[0]
         base_image = params[1]
         package_queue = params[2]
-        return command.cooker.generateNewImage(image, base_image, package_queue)
+        timestamp = params[3]
+        return command.cooker.generateNewImage(image, base_image,
+                                 package_queue, timestamp)
+
+    def ensureDir(self, command, params):
+        directory = params[0]
+        bb.utils.mkdirhier(directory)
 
     def setVarFile(self, command, params):
         """

bitbake/lib/bb/cooker.py

@@ -1100,16 +1100,25 @@ class BBCooker:
 
         self.configuration.server_register_idlecallback(buildTargetsIdle, rq)
 
-    def generateNewImage(self, image, base_image, package_queue):
+    def generateNewImage(self, image, base_image, package_queue, timestamp):
         '''
-        Create a new image with a "require" base_image statement
+        Create a new image with a "require"/"inherit" base_image statement
         '''
-        image_name = os.path.splitext(image)[0]
-        timestr = time.strftime("-%Y%m%d-%H%M%S")
-        dest = image_name + str(timestr) + ".bb"
+        if timestamp:
+            image_name = os.path.splitext(image)[0]
+            timestr = time.strftime("-%Y%m%d-%H%M%S")
+            dest = image_name + str(timestr) + ".bb"
+        else:
+            if not image.endswith(".bb"):
+                dest = image + ".bb"
+            else:
+                dest = image
 
         with open(dest, "w") as imagefile:
-            imagefile.write("require " + base_image + "\n")
+            if base_image is None:
+                imagefile.write("inherit image\n")
+            else:
+                imagefile.write("require " + base_image + "\n")
             package_install = "PACKAGE_INSTALL_forcevariable = \""
             for package in package_queue:
                 package_install += str(package) + " "
@@ -1117,7 +1126,8 @@ class BBCooker:
             imagefile.write(package_install)
 
         self.state = state.initial
-        return timestr
+        if timestamp:
+            return timestr
 
     def updateCache(self):
         if self.state == state.running:

bitbake/lib/bb/ui/crumbs/builder.py

@@ -593,6 +593,16 @@ class Builder(gtk.Window):
                                     toolchain_packages,
                                     self.configuration.default_task)
 
+    def generate_new_image(self, image):
+        base_image = self.configuration.initial_selected_image
+        if base_image == self.recipe_model.__custom_image__:
+            base_image = None
+        packages = self.package_model.get_selected_packages()
+        self.handler.generate_new_image(image, base_image, packages)
+
+    def ensure_dir(self, directory):
+        self.handler.ensure_dir(directory)
+
     def get_parameters_sync(self):
         return self.handler.get_parameters()
 

bitbake/lib/bb/ui/crumbs/hig/saveimagedialog.py

@@ -117,7 +117,7 @@ class SaveImageDialog (CrumbsDialog):
         text = self.name_entry.get_text()
         new_text = text.replace("-","")
         if new_text.islower() and new_text.isalnum():
-            print(text)
+            self.builder.generate_new_image(self.directory+text)
             self.destroy()
         else:
             self.show_invalid_input_error_dialog()

bitbake/lib/bb/ui/crumbs/hobeventhandler.py

@@ -176,7 +176,7 @@ class HobHandler(gobject.GObject):
                 hobImage = self.runCommand(["matchFile", "hob-image.bb"])
                 if self.base_image != "Start with an empty image recipe":
                     baseImage = self.runCommand(["matchFile", self.base_image + ".bb"])
-                    version = self.runCommand(["generateNewImage", hobImage, baseImage, self.package_queue])
+                    version = self.runCommand(["generateNewImage", hobImage, baseImage, self.package_queue, True])
                     targets[0] += version
                     self.recipe_model.set_custom_image_version(version)
 
@@ -426,6 +426,13 @@ class HobHandler(gobject.GObject):
         self.commands_async.append(self.SUB_BUILD_IMAGE)
         self.run_next_command(self.GENERATE_IMAGE)
 
+    def generate_new_image(self, image, base_image, package_queue):
+        base_image = self.runCommand(["matchFile", self.base_image + ".bb"])
+        self.runCommand(["generateNewImage", image, base_image, package_queue, False])
+
+    def ensure_dir(self, directory):
+        self.runCommand(["ensureDir", directory])
+
     def build_succeeded_async(self):
         self.building = False
 

bitbake/lib/bb/ui/crumbs/imagedetailspage.py

@@ -624,6 +624,8 @@ class ImageDetailsPage (HobPage):
     def save_button_clicked_cb(self, button):
         topdir = self.builder.get_topdir()
         images_dir = topdir + "/recipes/images/"
+        self.builder.ensure_dir(images_dir)
+
         dialog = SaveImageDialog(images_dir, "Save image recipe", self.builder,
                               gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT)
         response = dialog.run()