From f63ff73c7fc9e27fa42ac73bf520796ff37bfcc2 Mon Sep 17 00:00:00 2001
From: Adrian Tschira <nota@notafile.com>
Date: Sun, 15 Apr 2018 16:39:30 +0200
Subject: [PATCH] add __bool__ alias to __nonzero__ methods

Signed-off-by: Adrian Tschira <nota@notafile.com>
---
 synapse/handlers/sync.py   | 7 +++++++
 synapse/notifier.py        | 1 +
 synapse/util/logcontext.py | 1 +
 3 files changed, 9 insertions(+)

diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index 06d17ab20c..fe790b4c06 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -52,6 +52,7 @@ class TimelineBatch(collections.namedtuple("TimelineBatch", [
         to tell if room needs to be part of the sync result.
         """
         return bool(self.events)
+    __bool__ = __nonzero__  # python3
 
 
 class JoinedSyncResult(collections.namedtuple("JoinedSyncResult", [
@@ -76,6 +77,7 @@ class JoinedSyncResult(collections.namedtuple("JoinedSyncResult", [
             # nb the notification count does not, er, count: if there's nothing
             # else in the result, we don't need to send it.
         )
+    __bool__ = __nonzero__  # python3
 
 
 class ArchivedSyncResult(collections.namedtuple("ArchivedSyncResult", [
@@ -95,6 +97,7 @@ class ArchivedSyncResult(collections.namedtuple("ArchivedSyncResult", [
             or self.state
             or self.account_data
         )
+    __bool__ = __nonzero__  # python3
 
 
 class InvitedSyncResult(collections.namedtuple("InvitedSyncResult", [
@@ -106,6 +109,7 @@ class InvitedSyncResult(collections.namedtuple("InvitedSyncResult", [
     def __nonzero__(self):
         """Invited rooms should always be reported to the client"""
         return True
+    __bool__ = __nonzero__  # python3
 
 
 class GroupsSyncResult(collections.namedtuple("GroupsSyncResult", [
@@ -117,6 +121,7 @@ class GroupsSyncResult(collections.namedtuple("GroupsSyncResult", [
 
     def __nonzero__(self):
         return bool(self.join or self.invite or self.leave)
+    __bool__ = __nonzero__  # python3
 
 
 class DeviceLists(collections.namedtuple("DeviceLists", [
@@ -127,6 +132,7 @@ class DeviceLists(collections.namedtuple("DeviceLists", [
 
     def __nonzero__(self):
         return bool(self.changed or self.left)
+    __bool__ = __nonzero__  # python3
 
 
 class SyncResult(collections.namedtuple("SyncResult", [
@@ -159,6 +165,7 @@ class SyncResult(collections.namedtuple("SyncResult", [
             self.device_lists or
             self.groups
         )
+    __bool__ = __nonzero__  # python3
 
 
 class SyncHandler(object):
diff --git a/synapse/notifier.py b/synapse/notifier.py
index ef042681bc..0e40a4aad6 100644
--- a/synapse/notifier.py
+++ b/synapse/notifier.py
@@ -144,6 +144,7 @@ class _NotifierUserStream(object):
 class EventStreamResult(namedtuple("EventStreamResult", ("events", "tokens"))):
     def __nonzero__(self):
         return bool(self.events)
+    __bool__ = __nonzero__  # python3
 
 
 class Notifier(object):
diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py
index d660ec785b..d59adc236e 100644
--- a/synapse/util/logcontext.py
+++ b/synapse/util/logcontext.py
@@ -92,6 +92,7 @@ class LoggingContext(object):
 
         def __nonzero__(self):
             return False
+        __bool__ = __nonzero__  # python3
 
     sentinel = Sentinel()
 
-- 
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