bitbake: Switch to bitbake-dev version (bitbake master upstream)

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 425 insertions, 0 deletions

diff --git a/bitbake/lib/bb/ui/puccho.py b/bitbake/lib/bb/ui/puccho.py
new file mode 100644
index 0000000000..713aa1f4a6
--- /dev/null
+++ b/bitbake/lib/bb/ui/puccho.py
@@ -0,0 +1,425 @@
+#
+# BitBake Graphical GTK User Interface
+#
+# Copyright (C) 2008        Intel Corporation
+#
+# Authored by Rob Bradford <rob@linux.intel.com>
+#
+# 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 gtk
+import gobject
+import gtk.glade
+import threading
+import urllib2
+import os
+
+from bb.ui.crumbs.buildmanager import BuildManager, BuildConfiguration
+from bb.ui.crumbs.buildmanager import BuildManagerTreeView
+
+from bb.ui.crumbs.runningbuild import RunningBuild, RunningBuildTreeView
+
+# The metadata loader is used by the BuildSetupDialog to download the
+# available options to populate the dialog
+class MetaDataLoader(gobject.GObject):
+    """ This class provides the mechanism for loading the metadata (the
+    fetching and parsing) from a given URL. The metadata encompasses details
+    on what machines are available. The distribution and images available for
+    the machine and the the uris to use for building the given machine."""
+    __gsignals__ = {
+        'success' : (gobject.SIGNAL_RUN_LAST, 
+                     gobject.TYPE_NONE,
+                     ()),
+        'error' : (gobject.SIGNAL_RUN_LAST,
+                   gobject.TYPE_NONE,
+                   (gobject.TYPE_STRING,))
+        }
+
+    # We use these little helper functions to ensure that we take the gdk lock
+    # when emitting the signal. These functions are called as idles (so that
+    # they happen in the gtk / main thread's main loop.
+    def emit_error_signal (self, remark):
+        gtk.gdk.threads_enter()
+        self.emit ("error", remark)
+        gtk.gdk.threads_leave()
+
+    def emit_success_signal (self):
+        gtk.gdk.threads_enter()
+        self.emit ("success")
+        gtk.gdk.threads_leave()
+
+    def __init__ (self):
+        gobject.GObject.__init__ (self)
+
+    class LoaderThread(threading.Thread):
+        """ This class provides an asynchronous loader for the metadata (by
+        using threads and signals). This is useful since the metadata may be
+        at a remote URL."""
+        class LoaderImportException (Exception):
+            pass
+
+        def __init__(self, loader, url):
+            threading.Thread.__init__ (self)
+            self.url = url
+            self.loader = loader
+
+        def run (self):
+            result = {}
+            try:
+                f = urllib2.urlopen (self.url)
+
+                # Parse the metadata format. The format is....
+                # <machine>;<default distro>|<distro>...;<default image>|<image>...;<type##url>|...
+                for line in f.readlines():
+                    components = line.split(";")
+                    if (len (components) < 4):
+                        raise MetaDataLoader.LoaderThread.LoaderImportException
+                    machine = components[0]
+                    distros = components[1].split("|")
+                    images = components[2].split("|")
+                    urls = components[3].split("|")
+
+                    result[machine] = (distros, images, urls)
+
+                # Create an object representing this *potential*
+                # configuration. It can become concrete if the machine, distro
+                # and image are all chosen in the UI
+                configuration = BuildConfiguration()
+                configuration.metadata_url = self.url
+                configuration.machine_options = result
+                self.loader.configuration = configuration
+
+                # Emit that we've actually got a configuration
+                gobject.idle_add (MetaDataLoader.emit_success_signal,
+                    self.loader)
+
+            except MetaDataLoader.LoaderThread.LoaderImportException, e:
+                gobject.idle_add (MetaDataLoader.emit_error_signal, self.loader,
+                    "Repository metadata corrupt")
+            except Exception, e:
+                gobject.idle_add (MetaDataLoader.emit_error_signal, self.loader,
+                    "Unable to download repository metadata")
+                print e
+
+    def try_fetch_from_url (self, url):
+        # Try and download the metadata. Firing a signal if successful
+        thread = MetaDataLoader.LoaderThread(self, url)
+        thread.start()
+
+class BuildSetupDialog (gtk.Dialog):
+    RESPONSE_BUILD = 1
+
+    # A little helper method that just sets the states on the widgets based on
+    # whether we've got good metadata or not.
+    def set_configurable (self, configurable):
+        if (self.configurable == configurable):
+            return
+
+        self.configurable = configurable
+        for widget in self.conf_widgets:
+            widget.set_sensitive (configurable)
+
+        if not configurable:
+            self.machine_combo.set_active (-1)
+            self.distribution_combo.set_active (-1)
+            self.image_combo.set_active (-1)
+
+    # GTK widget callbacks
+    def refresh_button_clicked (self, button):
+        # Refresh button clicked.
+
+        url = self.location_entry.get_chars (0, -1)
+        self.loader.try_fetch_from_url(url)
+
+    def repository_entry_editable_changed (self, entry):
+        if (len (entry.get_chars (0, -1)) > 0):
+            self.refresh_button.set_sensitive (True)
+        else:
+            self.refresh_button.set_sensitive (False)
+            self.clear_status_message()
+
+        # If we were previously configurable we are no longer since the
+        # location entry has been changed
+        self.set_configurable (False)
+
+    def machine_combo_changed (self, combobox):
+        active_iter = combobox.get_active_iter()
+
+        if not active_iter:
+            return
+
+        model = combobox.get_model()
+
+        if model:
+            chosen_machine = model.get (active_iter, 0)[0]
+
+        (distros_model, images_model) = \
+            self.loader.configuration.get_distro_and_images_models (chosen_machine)
+
+        self.distribution_combo.set_model (distros_model)
+        self.image_combo.set_model (images_model)
+
+    # Callbacks from the loader
+    def loader_success_cb (self, loader):
+        self.status_image.set_from_icon_name ("info",
+            gtk.ICON_SIZE_BUTTON)
+        self.status_image.show()
+        self.status_label.set_label ("Repository metadata successfully downloaded")
+
+        # Set the models on the combo boxes based on the models generated from
+        # the configuration that the loader has created
+
+        # We just need to set the machine here, that then determines the
+        # distro and image options. Cunning huh? :-)
+
+        self.configuration = self.loader.configuration
+        model = self.configuration.get_machines_model ()
+        self.machine_combo.set_model (model)
+
+        self.set_configurable (True)
+
+    def loader_error_cb (self, loader, message):
+        self.status_image.set_from_icon_name ("error",
+            gtk.ICON_SIZE_BUTTON)
+        self.status_image.show()
+        self.status_label.set_text ("Error downloading repository metadata")
+        for widget in self.conf_widgets:
+            widget.set_sensitive (False)
+
+    def clear_status_message (self):
+        self.status_image.hide()
+        self.status_label.set_label (
+            """<i>Enter the repository location and press _Refresh</i>""")
+
+    def __init__ (self):
+        gtk.Dialog.__init__ (self)
+
+        # Cancel
+        self.add_button (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
+
+        # Build
+        button = gtk.Button ("_Build", None, True)
+        image = gtk.Image ()
+        image.set_from_stock (gtk.STOCK_EXECUTE,gtk.ICON_SIZE_BUTTON)
+        button.set_image (image)
+        self.add_action_widget (button, BuildSetupDialog.RESPONSE_BUILD)
+        button.show_all ()
+
+        # Pull in *just* the table from the Glade XML data.
+        gxml = gtk.glade.XML (os.path.dirname(__file__) + "/crumbs/puccho.glade",
+            root = "build_table")
+        table = gxml.get_widget ("build_table")
+        self.vbox.pack_start (table, True, False, 0)
+
+        # Grab all the widgets that we need to turn on/off when we refresh...
+        self.conf_widgets = []
+        self.conf_widgets += [gxml.get_widget ("machine_label")]
+        self.conf_widgets += [gxml.get_widget ("distribution_label")]
+        self.conf_widgets += [gxml.get_widget ("image_label")]
+        self.conf_widgets += [gxml.get_widget ("machine_combo")]
+        self.conf_widgets += [gxml.get_widget ("distribution_combo")]
+        self.conf_widgets += [gxml.get_widget ("image_combo")]
+
+        # Grab the status widgets
+        self.status_image = gxml.get_widget ("status_image")
+        self.status_label = gxml.get_widget ("status_label")
+
+        # Grab the refresh button and connect to the clicked signal
+        self.refresh_button = gxml.get_widget ("refresh_button")
+        self.refresh_button.connect ("clicked", self.refresh_button_clicked)
+
+        # Grab the location entry and connect to editable::changed
+        self.location_entry = gxml.get_widget ("location_entry")
+        self.location_entry.connect ("changed",
+            self.repository_entry_editable_changed)
+
+        # Grab the machine combo and hook onto the changed signal. This then
+        # allows us to populate the distro and image combos
+        self.machine_combo = gxml.get_widget ("machine_combo")
+        self.machine_combo.connect ("changed", self.machine_combo_changed)
+
+        # Setup the combo
+        cell = gtk.CellRendererText()
+        self.machine_combo.pack_start(cell, True)
+        self.machine_combo.add_attribute(cell, 'text', 0)
+
+        # Grab the distro and image combos. We need these to populate with
+        # models once the machine is chosen
+        self.distribution_combo = gxml.get_widget ("distribution_combo")
+        cell = gtk.CellRendererText()
+        self.distribution_combo.pack_start(cell, True)
+        self.distribution_combo.add_attribute(cell, 'text', 0)
+
+        self.image_combo = gxml.get_widget ("image_combo")
+        cell = gtk.CellRendererText()
+        self.image_combo.pack_start(cell, True)
+        self.image_combo.add_attribute(cell, 'text', 0)
+
+        # Put the default descriptive text in the status box
+        self.clear_status_message()
+
+        # Mark as non-configurable, this is just greys out the widgets the
+        # user can't yet use
+        self.configurable = False
+        self.set_configurable(False)
+
+        # Show the table
+        table.show_all ()
+
+        # The loader and some signals connected to it to update the status
+        # area
+        self.loader = MetaDataLoader()
+        self.loader.connect ("success", self.loader_success_cb)
+        self.loader.connect ("error", self.loader_error_cb)
+
+    def update_configuration (self):
+        """ A poorly named function but it updates the internal configuration
+        from the widgets. This can make that configuration concrete and can
+        thus be used for building """
+        # Extract the chosen machine from the combo
+        model = self.machine_combo.get_model()
+        active_iter = self.machine_combo.get_active_iter()
+        if (active_iter):
+            self.configuration.machine = model.get(active_iter, 0)[0]
+
+        # Extract the chosen distro from the combo 
+        model = self.distribution_combo.get_model()
+        active_iter = self.distribution_combo.get_active_iter()
+        if (active_iter):
+            self.configuration.distro = model.get(active_iter, 0)[0]
+
+        # Extract the chosen image from the combo
+        model = self.image_combo.get_model()
+        active_iter = self.image_combo.get_active_iter()
+        if (active_iter):
+            self.configuration.image = model.get(active_iter, 0)[0]
+
+# This function operates to pull events out from the event queue and then push
+# them into the RunningBuild (which then drives the RunningBuild which then
+# pushes through and updates the progress tree view.)
+#
+# TODO: Should be a method on the RunningBuild class
+def event_handle_timeout (eventHandler, build):
+  # Consume as many messages as we can ...
+  event = eventHandler.getEvent()
+  while event:
+      build.handle_event (event)
+      event = eventHandler.getEvent()
+  return True
+
+class MainWindow (gtk.Window):
+
+  # Callback that gets fired when the user hits a button in the
+  # BuildSetupDialog.
+  def build_dialog_box_response_cb (self, dialog, response_id):
+      conf = None
+      if (response_id == BuildSetupDialog.RESPONSE_BUILD):
+          dialog.update_configuration()
+          print dialog.configuration.machine, dialog.configuration.distro, \
+              dialog.configuration.image
+          conf = dialog.configuration
+
+      dialog.destroy()
+
+      if conf:
+          self.manager.do_build (conf)
+
+  def build_button_clicked_cb (self, button):
+    dialog = BuildSetupDialog ()
+
+    # For some unknown reason Dialog.run causes nice little deadlocks ... :-(
+    dialog.connect ("response", self.build_dialog_box_response_cb)
+    dialog.show()
+
+  def __init__ (self):
+      gtk.Window.__init__ (self)
+
+      # Pull in *just* the main vbox from the Glade XML data and then pack
+      # that inside the window
+      gxml = gtk.glade.XML (os.path.dirname(__file__) + "/crumbs/puccho.glade",
+          root = "main_window_vbox")
+      vbox = gxml.get_widget ("main_window_vbox")
+      self.add (vbox)
+
+      # Create the tree views for the build manager view and the progress view
+      self.build_manager_view = BuildManagerTreeView()
+      self.running_build_view = RunningBuildTreeView()
+
+      # Grab the scrolled windows that we put the tree views into
+      self.results_scrolledwindow = gxml.get_widget ("results_scrolledwindow")
+      self.progress_scrolledwindow = gxml.get_widget ("progress_scrolledwindow")
+
+      # Put the tree views inside ...
+      self.results_scrolledwindow.add (self.build_manager_view)
+      self.progress_scrolledwindow.add (self.running_build_view)
+
+      # Hook up the build button...
+      self.build_button = gxml.get_widget ("main_toolbutton_build")
+      self.build_button.connect ("clicked", self.build_button_clicked_cb)
+
+# I'm not very happy about the current ownership of the RunningBuild. I have
+# my suspicions that this object should be held by the BuildManager since we
+# care about the signals in the manager
+
+def running_build_succeeded_cb (running_build, manager):
+    # Notify the manager that a build has succeeded. This is necessary as part
+    # of the 'hack' that we use for making the row in the model / view
+    # representing the ongoing build change into a row representing the
+    # completed build. Since we know only one build can be running a time then
+    # we can handle this.
+
+    # FIXME: Refactor all this so that the RunningBuild is owned by the
+    # BuildManager. It can then hook onto the signals directly and drive
+    # interesting things it cares about.
+    manager.notify_build_succeeded ()
+    print "build succeeded"
+
+def running_build_failed_cb (running_build, manager):
+    # As above
+    print "build failed"
+    manager.notify_build_failed ()
+
+def init (server, eventHandler):
+    # Initialise threading...
+    gobject.threads_init()
+    gtk.gdk.threads_init()
+
+    main_window = MainWindow ()
+    main_window.show_all ()
+
+    # Set up the build manager stuff in general
+    builds_dir = os.path.join (os.getcwd(),  "results")
+    manager = BuildManager (server, builds_dir)
+    main_window.build_manager_view.set_model (manager.model)
+
+    # Do the running build setup
+    running_build = RunningBuild ()
+    main_window.running_build_view.set_model (running_build.model)
+    running_build.connect ("build-succeeded", running_build_succeeded_cb,
+        manager)
+    running_build.connect ("build-failed", running_build_failed_cb, manager)
+
+    # We need to save the manager into the MainWindow so that the toolbar
+    # button can use it.
+    # FIXME: Refactor ?
+    main_window.manager = manager
+
+    # Use a timeout function for probing the event queue to find out if we
+    # have a message waiting for us.
+    gobject.timeout_add (200,
+                         event_handle_timeout,
+                         eventHandler,
+                         running_build)
+
+    gtk.main()