bitbake: lib: amend code to use proper singleton comparisons where possible

amend the code to handle singleton comparisons properly so it only checks
if they only refer to the same object or not, and not bother
comparing the values.

(Bitbake rev: b809a6812aa15a8a9af97bc382cc4b19571e6bfc)

Signed-off-by: Frazer Clews <frazer.clews@codethink.co.uk>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index 3d65b0cb74..8407db8b00 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -1204,7 +1204,7 @@ class BBCooker:
             for c in collection_list:
                 calc_layer_priority(c)
                 regex = self.data.getVar("BBFILE_PATTERN_%s" % c)
-                if regex == None:
+                if regex is None:
                     parselog.error("BBFILE_PATTERN_%s not defined" % c)
                     errors = True
                     continue
@@ -1310,7 +1310,7 @@ class BBCooker:
         self.parseConfiguration()
 
         # If we are told to do the None task then query the default task
-        if (task == None):
+        if task is None:
             task = self.configuration.cmd
         if not task.startswith("do_"):
             task = "do_%s" % task
@@ -1454,7 +1454,7 @@ class BBCooker:
         self.buildSetVars()
 
         # If we are told to do the None task then query the default task
-        if (task == None):
+        if task is None:
             task = self.configuration.cmd
 
         if not task.startswith("do_"):
@@ -1687,7 +1687,7 @@ class CookerCollectFiles(object):
     def calc_bbfile_priority( self, filename, matched = None ):
         for _, _, regex, pri in self.bbfile_config_priorities:
             if regex.match(filename):
-                if matched != None:
+                if matched is not None:
                     if not regex in matched:
                         matched.add(regex)
                 return pri