[gnome-continuous-yocto/gnomeostree-3.28-rocko: 1946/8267] bitbake: siggen: properly close files rather than opening them inline

[Emmanuele Bassi <ebassi src gnome org>]

commit fac16ff8f7b1090324955e5198996324c6dcdc1d
Author: Paul Eggleton <paul eggleton linux intel com>
Date:   Thu Aug 11 15:37:00 2016 +1200

    bitbake: siggen: properly close files rather than opening them inline
    
    If you don't do this, with Python 3 you get a warning on exit under some
    circumstances.
    
    (Bitbake rev: 49502685df3e616023df352823156381b1f79cd3)
    
    Signed-off-by: Paul Eggleton <paul eggleton linux intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 bitbake/lib/bb/siggen.py |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)
---
diff --git a/bitbake/lib/bb/siggen.py b/bitbake/lib/bb/siggen.py
index 5d8a253..9b2f658 100644
--- a/bitbake/lib/bb/siggen.py
+++ b/bitbake/lib/bb/siggen.py
@@ -363,10 +363,12 @@ def clean_basepaths_list(a):
 def compare_sigfiles(a, b, recursecb = None):
     output = []
 
-    p1 = pickle.Unpickler(open(a, "rb"))
-    a_data = p1.load()
-    p2 = pickle.Unpickler(open(b, "rb"))
-    b_data = p2.load()
+    with open(a, 'rb') as f:
+        p1 = pickle.Unpickler(ff)
+        a_data = p1.load()
+    with open(b, 'rb') as f:
+        p2 = pickle.Unpickler(f)
+        b_data = p2.load()
 
     def dict_diff(a, b, whitelist=set()):
         sa = set(a.keys())
@@ -563,8 +565,9 @@ def calc_taskhash(sigdata):
 def dump_sigfile(a):
     output = []
 
-    p1 = pickle.Unpickler(open(a, "rb"))
-    a_data = p1.load()
+    with open(a, 'rb') as f:
+        p1 = pickle.Unpickler(f)
+        a_data = p1.load()
 
     output.append("basewhitelist: %s" % (a_data['basewhitelist']))