Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/bitbake/lib/bb/ui/puccho.py b/bitbake/lib/bb/ui/puccho.py
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+#
+# 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()