| # |
| # 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 |
| import contextlib |
| |
| 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: |
| with contextlib.closing (urllib2.urlopen (self.url)) as f: |
| # Parse the metadata format. The format is.... |
| # <machine>;<default distro>|<distro>...;<default image>|<image>...;<type##url>|... |
| for line in f: |
| 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 as e: |
| gobject.idle_add (MetaDataLoader.emit_error_signal, self.loader, |
| "Repository metadata corrupt") |
| except Exception as 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 main (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() |