first cut at snaplist view

subiquity/controllers/__init__.py

@@ -22,4 +22,5 @@ from .installprogress import InstallProgressController  # NOQA
 from .filesystem import FilesystemController  # NOQA
 from .keyboard import KeyboardController  # NOQA
 from .proxy import ProxyController  # NOQA
+from .snaplist import SnapListController
 from .welcome import WelcomeController  # NOQA

subiquity/controllers/snaplist.py

@@ -17,7 +17,7 @@ import logging
 
 from subiquitycore.controller import BaseController
 
-from subiquity.ui.views import SnapListView
+from subiquity.ui.views.snaplist import SnapListView
 
 log = logging.getLogger('subiquity.controllers.snaplist')
 
@@ -26,8 +26,17 @@ class SnapListController(BaseController):
 
     def __init__(self, common):
         super().__init__(common)
-        self.model = self.all_model.SnapList
+        self.model = self.base_model.snaplist
 
     def default(self):
+        self.ui.set_header(
+            _("Featured Server Snaps"),
+            _("These are popular snaps in server environments. Select or deselect with SPACE, press ENTER to see more details of the package, publisher and versions available."),
+            )
         self.ui.set_body(SnapListView(self.model, self))
 
+    def done(self, snaps_to_install):
+        self.signal.emit_signal("next-screen")
+
+    def cancel(self, sender=None):
+        self.signal.emit_signal("prev-screen")

subiquity/core.py

@@ -38,6 +38,7 @@ class Subiquity(Application):
             "Proxy",
             "Filesystem",
             "Identity",
+            "SnapList",
             "InstallProgress",
     ]
 

subiquity/models/snaplist.py

@@ -13,6 +13,9 @@
 # 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 json
+import os
+
 import attr
 
 @attr.s(cmp=False)
@@ -40,10 +43,21 @@ class SnapListModel:
         pass
 
     def get_snap_list(self):
-        return [
-            Snap("etcd", "Resilient key-value store by CoreOS", "tvansteenburgh", "Etcd is a high availability key-value store, implementing the RAFT algorithm to deal with failover within the etcd cluster.  Popular in the Docker community as a shared store of small but important data in a distributed application."),
-            ]
-
+        opd = os.path.dirname
+        opj = os.path.join
+        snap_data_dir = opj(opd(opd(opd(__file__))), 'examples', 'snaps')
+        snap_find_output = opj(snap_data_dir, 'find-output.json')
+        with open(snap_find_output) as fp:
+            data = json.load(fp)
+        r = []
+        for s in data['result']:
+            kw = {}
+            kw['name'] = s['name']
+            kw['summary'] = s['summary']
+            kw['publisher'] = s['developer']
+            kw['description'] = s['description']
+            r.append(SnapInfo(**kw))
+        return r
 
     def set_installed_list(self, to_install):
         self.to_install = to_install

subiquity/models/subiquity.py

@@ -26,6 +26,7 @@ from .installpath import InstallpathModel
 from .keyboard import KeyboardModel
 from .locale import LocaleModel
 from .proxy import ProxyModel
+from .snaplist import SnapListModel
 
 
 def setup_yaml():
@@ -50,6 +51,7 @@ class SubiquityModel:
         self.filesystem = FilesystemModel(common['prober'])
         self.identity = IdentityModel()
         self.proxy = ProxyModel()
+        self.snaplist = SnapListModel(common)
 
     def _cloud_init_config(self):
         user = self.identity.user

subiquity/ui/views/snaplist.py

@@ -0,0 +1,54 @@
+# Copyright 2015 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 urwid import (
+    CheckBox,
+    Text,
+    )
+
+from subiquitycore.ui.buttons import ok_btn, cancel_btn
+from subiquitycore.ui.container import Columns
+from subiquitycore.ui.utils import button_pile, Color, screen
+from subiquitycore.view import BaseView
+
+
+log = logging.getLogger("subiquity.views.welcome")
+
+
+class SnapListView(BaseView):
+
+    def __init__(self, model, controller):
+        self.model = model
+        self.controller = controller
+        self.to_install = []
+        body = []
+        snaps = self.model.get_snap_list()
+        name_len = max([len(snap.name) for snap in snaps])
+        for snap in snaps:
+            body.append(Color.menu_button(Columns([
+                (name_len+4, CheckBox(snap.name)),
+                Text(snap.summary, wrap='clip'),
+                ], dividechars=1)))
+        ok = ok_btn(label=_("OK"), on_press=self.done)
+        cancel = cancel_btn(label=_("Cancel"), on_press=self.done)
+        super().__init__(screen(body, button_pile([ok, cancel])))
+
+    def done(self, sender=None):
+        self.controller.done(self.to_install)
+
+    def cancel(self, sender=None):
+        self.controller.cancel()