From 0ce1c02dd59df3e4f23ba0b90e67644258412533 Mon Sep 17 00:00:00 2001
From: Kali Kaneko <kali@leap.se>
Date: Mon, 4 Apr 2016 21:55:06 -0400
Subject: [bug] fail gracefully if no pixelated modules present

currently, we're distributing the wheels for the pixelated modules under
downloads.leap.se.

bootstrap script tried to download the pixelated modules, but it fails
on python versions < 2.7.9, apparently.

as a workaround, I make the import of the pixelated modules a non-fatal
error by setting a flag, and doing the launching of the pix UA
conditional on a successful import.

- Related: #8009
---
 src/leap/bitmask/backend/components.py | 14 ++++++++------
 src/leap/bitmask/pix.py                | 26 +++++++++++++++-----------
 2 files changed, 23 insertions(+), 17 deletions(-)

(limited to 'src/leap')

diff --git a/src/leap/bitmask/backend/components.py b/src/leap/bitmask/backend/components.py
index 0f8864c3..0c2b3280 100644
--- a/src/leap/bitmask/backend/components.py
+++ b/src/leap/bitmask/backend/components.py
@@ -38,7 +38,7 @@ from leap.bitmask.crypto.srpauth import SRPAuth
 from leap.bitmask.crypto.srpregister import SRPRegister
 from leap.bitmask.logs.utils import get_logger
 from leap.bitmask.platform_init import IS_LINUX
-from leap.bitmask.pix import start_pixelated_user_agent
+from leap.bitmask import pix
 from leap.bitmask.provider.pinned import PinnedProviders
 from leap.bitmask.provider.providerbootstrapper import ProviderBootstrapper
 from leap.bitmask.services import get_supported
@@ -1088,13 +1088,15 @@ class Mail(object):
         return threads.deferToThread(self._stop_imap_service)
 
     def start_pixelated_service(self, full_user_id):
-        reactor.callFromThread(
-            start_pixelated_user_agent,
-            full_user_id,
-            self._soledad_proxy,
-            self._keymanager_proxy)
+        if pix.HAS_PIXELATED:
+            reactor.callFromThread(
+                pix.start_pixelated_user_agent,
+                full_user_id,
+                self._soledad_proxy,
+                self._keymanager_proxy)
 
     def stop_pixelated_service(self):
+        # TODO stop it, somehow
         pass
 
 
diff --git a/src/leap/bitmask/pix.py b/src/leap/bitmask/pix.py
index 8242255c..a05a1d9c 100644
--- a/src/leap/bitmask/pix.py
+++ b/src/leap/bitmask/pix.py
@@ -27,17 +27,21 @@ from twisted.python import log
 from leap.bitmask.util import get_path_prefix
 from leap.mail.imap.account import IMAPAccount
 
-import pixelated_www
-
-from pixelated.adapter.mailstore import LeapMailStore
-from pixelated.adapter.welcome_mail import add_welcome_mail
-from pixelated.application import SingleUserServicesFactory
-from pixelated.application import UserAgentMode
-from pixelated.application import start_site
-from pixelated.bitmask_libraries.smtp import LeapSMTPConfig
-from pixelated.bitmask_libraries.session import SessionCache
-from pixelated.config import services
-from pixelated.resources.root_resource import RootResource
+try:
+    import pixelated_www
+
+    from pixelated.adapter.mailstore import LeapMailStore
+    from pixelated.adapter.welcome_mail import add_welcome_mail
+    from pixelated.application import SingleUserServicesFactory
+    from pixelated.application import UserAgentMode
+    from pixelated.application import start_site
+    from pixelated.bitmask_libraries.smtp import LeapSMTPConfig
+    from pixelated.bitmask_libraries.session import SessionCache
+    from pixelated.config import services
+    from pixelated.resources.root_resource import RootResource
+    HAS_PIXELATED = True
+except ImportError:
+    HAS_PIXELATED = False
 
 
 def start_pixelated_user_agent(userid, soledad, keymanager):
-- 
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