test/py: Make print statements python 3.x safe

In python 3.x print must be called as a function rather than used as a
statement. Update uses of print to the function call syntax in order to
be python 3.x safe.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>

test/py/conftest.py

@@ -586,7 +586,7 @@ def pytest_runtest_protocol(item, nextitem):
         # is fixed, if this exception still exists, it will then be logged as
         # part of the test's stdout.
         import traceback
-        print 'Exception occurred while logging runtest status:'
+        print('Exception occurred while logging runtest status:')
         traceback.print_exc()
         # FIXME: Can we force a test failure here?
 

test/py/test.py

@@ -7,6 +7,8 @@
 # Wrapper script to invoke pytest with the directory name that contains the
 # U-Boot tests.
 
+from __future__ import print_function
+
 import os
 import os.path
 import sys
@@ -26,7 +28,7 @@ except:
     traceback.print_exc()
     # Hint to the user that they likely simply haven't installed the required
     # dependencies.
-    print >>sys.stderr, '''
+    print('''
 exec(py.test) failed; perhaps you are missing some dependencies?
-See test/py/README.md for the list.'''
+See test/py/README.md for the list.''', file=sys.stderr)
     sys.exit(1)

test/py/tests/test_fit.py

@@ -3,6 +3,8 @@
 #
 # Sanity check of the FIT handling in U-Boot
 
+from __future__ import print_function
+
 import os
 import pytest
 import struct
@@ -153,7 +155,7 @@ def test_fit(u_boot_console):
         src = make_fname('u-boot.dts')
         dtb = make_fname('u-boot.dtb')
         with open(src, 'w') as fd:
-            print >> fd, base_fdt
+            print(base_fdt, file=fd)
         util.run_and_log(cons, ['dtc', src, '-O', 'dtb', '-o', dtb])
         return dtb
 
@@ -167,7 +169,7 @@ def test_fit(u_boot_console):
         """
         its = make_fname('test.its')
         with open(its, 'w') as fd:
-            print >> fd, base_its % params
+            print(base_its % params, file=fd)
         return its
 
     def make_fit(mkimage, params):
@@ -186,7 +188,7 @@ def test_fit(u_boot_console):
         its = make_its(params)
         util.run_and_log(cons, [mkimage, '-f', its, fit])
         with open(make_fname('u-boot.dts'), 'w') as fd:
-            print >> fd, base_fdt
+            print(base_fdt, file=fd)
         return fit
 
     def make_kernel(filename, text):
@@ -202,7 +204,7 @@ def test_fit(u_boot_console):
         for i in range(100):
             data += 'this %s %d is unlikely to boot\n' % (text, i)
         with open(fname, 'w') as fd:
-            print >> fd, data
+            print(data, file=fd)
         return fname
 
     def make_ramdisk(filename, text):
@@ -216,7 +218,7 @@ def test_fit(u_boot_console):
         for i in range(100):
             data += '%s %d was seldom used in the middle ages\n' % (text, i)
         with open(fname, 'w') as fd:
-            print >> fd, data
+            print(data, file=fd)
         return fname
 
     def find_matching(text, match):

test/py/u_boot_console_sandbox.py

@@ -41,7 +41,7 @@ class ConsoleSandbox(ConsoleBase):
         bcfg = self.config.buildconfig
         config_spl = bcfg.get('config_spl', 'n') == 'y'
         fname = '/spl/u-boot-spl' if config_spl else '/u-boot'
-        print fname
+        print(fname)
         cmd = []
         if self.config.gdbserver:
             cmd += ['gdbserver', self.config.gdbserver]

test/py/u_boot_spawn.py

@@ -58,7 +58,7 @@ class Spawn(object):
                     os.chdir(cwd)
                 os.execvp(args[0], args)
             except:
-                print 'CHILD EXECEPTION:'
+                print('CHILD EXECEPTION:')
                 import traceback
                 traceback.print_exc()
             finally: