make all subiquity controllers used inherit from SubiquityController

There is going to be a chunk of subiquity specific functionality coming
for autoinstalls, this gives us somewhere to put it.

subiquity/controller.py

@@ -0,0 +1,41 @@
+# Copyright 2019 Canonical, Ltd.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import logging
+
+from subiquitycore.controller import (
+    BaseController,
+    Skip,
+    )
+
+log = logging.getLogger("subiquity.controller")
+
+
+class SubiquityController(BaseController):
+
+    def configured(self):
+        """Let the world know that this controller's model is now configured.
+        """
+        if self.model_name is not None:
+            self.app.base_model.configured(self.model_name)
+
+
+class NoUIController(SubiquityController):
+
+    def start_ui(self):
+        raise Skip
+
+    def cancel(self):
+        pass

subiquity/controllers/error.py

@@ -35,7 +35,8 @@ from subiquitycore.async_helpers import (
     run_in_thread,
     schedule_task,
     )
-from subiquitycore.controller import NoUIController
+
+from subiquity.controller import NoUIController
 
 
 log = logging.getLogger('subiquity.controllers.error')

subiquity/controllers/filesystem.py

@@ -27,12 +27,12 @@ from subiquitycore.async_helpers import (
     schedule_task,
     SingleInstanceTask,
     )
-from subiquitycore.controller import BaseController
 from subiquitycore.utils import (
     arun_command,
     run_command,
     )
 
+from subiquity.controller import SubiquityController
 from subiquity.controllers.error import ErrorReportKind
 from subiquity.models.filesystem import (
     align_up,
@@ -59,7 +59,7 @@ PREP_GRUB_SIZE_BYTES = 8 * 1024 * 1024    # 8MiB
 UEFI_GRUB_SIZE_BYTES = 512 * 1024 * 1024  # 512MiB EFI partition
 
 
-class FilesystemController(BaseController):
+class FilesystemController(SubiquityController):
 
     model_name = "filesystem"
 

subiquity/controllers/identity.py

@@ -15,14 +15,13 @@
 
 import logging
 
-from subiquitycore.controller import BaseController
-
+from subiquity.controller import SubiquityController
 from subiquity.ui.views import IdentityView
 
 log = logging.getLogger('subiquity.controllers.identity')
 
 
-class IdentityController(BaseController):
+class IdentityController(SubiquityController):
 
     model_name = "identity"
 

subiquity/controllers/installprogress.py

@@ -38,13 +38,13 @@ from subiquitycore.async_helpers import (
     schedule_task,
     )
 from subiquitycore.context import Status
-from subiquitycore.controller import BaseController
 from subiquitycore.utils import (
     arun_command,
     astart_command,
     run_command,
     )
 
+from subiquity.controller import SubiquityController
 from subiquity.controllers.error import ErrorReportKind
 from subiquity.ui.views.installprogress import ProgressView
 
@@ -91,7 +91,7 @@ def install_step(label, level=None, childlevel=None):
     return decorate
 
 
-class InstallProgressController(BaseController):
+class InstallProgressController(SubiquityController):
 
     def __init__(self, app):
         super().__init__(app)

subiquity/controllers/keyboard.py

@@ -16,15 +16,15 @@
 import logging
 
 from subiquitycore.async_helpers import schedule_task
-from subiquitycore.controller import BaseController
 
+from subiquity.controller import SubiquityController
 from subiquity.models.keyboard import KeyboardSetting
 from subiquity.ui.views import KeyboardView
 
 log = logging.getLogger('subiquity.controllers.keyboard')
 
 
-class KeyboardController(BaseController):
+class KeyboardController(SubiquityController):
 
     model_name = "keyboard"
     signals = [

subiquity/controllers/mirror.py

@@ -22,8 +22,8 @@ from subiquitycore.async_helpers import (
     run_in_thread,
     SingleInstanceTask,
     )
-from subiquitycore.controller import BaseController
 
+from subiquity.controller import SubiquityController
 from subiquity.ui.views.mirror import MirrorView
 
 log = logging.getLogger('subiquity.controllers.mirror')
@@ -36,7 +36,7 @@ class CheckState(enum.IntEnum):
     DONE = enum.auto()
 
 
-class MirrorController(BaseController):
+class MirrorController(SubiquityController):
 
     model_name = "mirror"
     signals = [

subiquity/controllers/network.py

@@ -15,8 +15,10 @@
 
 from subiquitycore.controllers.network import NetworkController
 
+from subiquity.controller import SubiquityController
 
-class NetworkController(NetworkController):
+
+class NetworkController(NetworkController, SubiquityController):
 
     def done(self):
         self.configured()

subiquity/controllers/proxy.py

@@ -16,14 +16,13 @@
 import logging
 import os
 
-from subiquitycore.controller import BaseController
-
+from subiquity.controller import SubiquityController
 from subiquity.ui.views.proxy import ProxyView
 
 log = logging.getLogger('subiquity.controllers.proxy')
 
 
-class ProxyController(BaseController):
+class ProxyController(SubiquityController):
 
     model_name = "proxy"
 

subiquity/controllers/refresh.py

@@ -25,10 +25,13 @@ from subiquitycore.async_helpers import (
     SingleInstanceTask,
     )
 from subiquitycore.controller import (
-    BaseController,
     Skip,
     )
 
+from subiquity.controller import (
+    SubiquityController,
+    )
+
 
 log = logging.getLogger('subiquity.controllers.refresh')
 
@@ -39,7 +42,7 @@ class CheckState(enum.IntEnum):
     UNAVAILABLE = enum.auto()
 
 
-class RefreshController(BaseController):
+class RefreshController(SubiquityController):
 
     signals = [
         ('snapd-network-change', 'snapd_network_changed'),

subiquity/controllers/reporting.py

@@ -28,7 +28,7 @@ from curtin.reporter.handlers import (
     LogHandler,
     )
 
-from subiquitycore.controller import NoUIController
+from subiquity.controller import NoUIController
 
 
 class LogHandler(LogHandler):

subiquity/controllers/snaplist.py

@@ -21,10 +21,13 @@ from subiquitycore.async_helpers import (
     schedule_task,
     )
 from subiquitycore.controller import (
-    BaseController,
     Skip,
     )
 
+from subiquity.controller import (
+    SubiquityController,
+    )
+
 from subiquity.models.snaplist import SnapSelection
 from subiquity.ui.views.snaplist import SnapListView
 
@@ -99,7 +102,7 @@ class SnapdSnapInfoLoader:
         return self.tasks[snap]
 
 
-class SnapListController(BaseController):
+class SnapListController(SubiquityController):
 
     model_name = "snaplist"
     signals = [

subiquity/controllers/ssh.py

@@ -17,9 +17,9 @@ import logging
 import subprocess
 
 from subiquitycore.async_helpers import schedule_task
-from subiquitycore.controller import BaseController
 from subiquitycore import utils
 
+from subiquity.controller import SubiquityController
 from subiquity.ui.views.ssh import SSHView
 
 log = logging.getLogger('subiquity.controllers.ssh')
@@ -31,7 +31,7 @@ class FetchSSHKeysFailure(Exception):
         self.output = output
 
 
-class SSHController(BaseController):
+class SSHController(SubiquityController):
 
     model_name = "ssh"
 

subiquity/controllers/welcome.py

@@ -16,15 +16,14 @@
 import logging
 import os
 
-from subiquitycore.controller import BaseController
-
+from subiquity.controller import SubiquityController
 from subiquity.ui.views import WelcomeView
 
 
 log = logging.getLogger('subiquity.controllers.welcome')
 
 
-class WelcomeController(BaseController):
+class WelcomeController(SubiquityController):
 
     model_name = "locale"
 

subiquity/controllers/zdev.py

@@ -21,9 +21,10 @@ import shlex
 from collections import OrderedDict
 from urwid import Text
 
-from subiquitycore.controller import BaseController
 from subiquitycore.ui.utils import Color
 from subiquitycore.utils import run_command
+
+from subiquity.controller import SubiquityController
 from subiquity.ui.views import ZdevView
 
 
@@ -627,7 +628,7 @@ class ZdevInfo:
         return self.type
 
 
-class ZdevController(BaseController):
+class ZdevController(SubiquityController):
 
     def __init__(self, app):
         super().__init__(app)

subiquitycore/controller.py

@@ -85,11 +85,6 @@ class BaseController(ABC):
         running.
         """
 
-    def configured(self):
-        """Let the world know that this controller's model is now configured.
-        """
-        self.app.base_model.configured(self.model_name)
-
     def serialize(self):
         return None
 
@@ -154,12 +149,3 @@ class RepeatedController(BaseController):
 
     def cancel(self):
         self.orig.cancel()
-
-
-class NoUIController(BaseController):
-
-    def start_ui(self):
-        raise Skip
-
-    def cancel(self):
-        pass