Use built-in print() instead of print statement

In python 3 print statement is not supported, so we should use
only print() functions.

Fixes bug 1226943

Change-Id: I206fe870eea21522e28318b9cfa062239e54c391

doc/source/conf.py

@@ -11,6 +11,7 @@
 #
 # All configuration values have a default; values that are commented out
 # serve to show the default.
+from __future__ import print_function
 
 import sys
 import os
@@ -31,7 +32,7 @@ def write_autodoc_index():
         """Return a list of modules in the SOURCE directory."""
         modlist = []
         os.chdir(os.path.join(sourcedir, module_name))
-        print "SEARCHING %s" % sourcedir
+        print("SEARCHING %s" % sourcedir)
         for root, dirs, files in os.walk("."):
             for filename in files:
                 if filename.endswith(".py"):
@@ -80,7 +81,7 @@ def write_autodoc_index():
             if any([module.startswith(exclude)
                     for exclude
                     in EXCLUDED_MODULES]):
-                print "Excluded module %s." % module
+                print("Excluded module %s." % module)
                 continue
             mod_path = os.path.join(path, *module.split("."))
             generated_file = os.path.join(MOD_DIR, "%s.rst" % module)
@@ -100,8 +101,8 @@ def write_autodoc_index():
             if not os.access(generated_file, os.F_OK) or \
                     os.stat(generated_file).st_mtime < \
                     os.stat(source_file).st_mtime:
-                print "Module %s updated, generating new documentation." \
+                print("Module %s updated, generating new documentation." \
-                      % module
+                      % module)
                 FILEOUT = open(generated_file, "w")
                 header = "The :mod:`%s` Module" % module
                 FILEOUT.write("%s\n" % ("=" * len(header),))
@@ -120,7 +121,7 @@ def write_autodoc_index():
     for directory, subdirs, files in list(os.walk(RSTDIR)):
         for old_file in files:
             if old_file not in CURRENT_SOURCES.get(directory, []):
-                print "Removing outdated file for %s" % old_file
+                print("Removing outdated file for %s" % old_file)
                 os.remove(os.path.join(directory, old_file))
 
 

tools/make_test_data.py

@@ -19,6 +19,7 @@
 
 """Command line tool for creating test data for ceilometer.
 """
+from __future__ import print_function
 
 import argparse
 import datetime
@@ -137,7 +138,7 @@ def main():
         n += 1
         timestamp = timestamp + increment
 
-    print 'Added %d new events' % n
+    print('Added %d new events' % n)
 
     return 0
 

tools/release-bugs.py

@@ -19,6 +19,8 @@
 
 """Command line tool for releasing Ceilometer bugs."""
 
+from __future__ import print_function
+
 import argparse
 import sys
 
@@ -26,7 +28,7 @@ try:
     from launchpadlib.launchpad import Launchpad
     from launchpadlib.uris import LPNET_SERVICE_ROOT as SERVICE_ROOT
 except ImportError:
-    print "Can't import launchpadlib."
+    print("Can't import launchpadlib.")
     sys.exit(1)
 
 
@@ -56,14 +58,14 @@ def main():
         status=PRE_RELEASE_STATUS, milestone=milestone)
     bug_count = len(bugs_for_milestone)
     if bug_count == 0:
-        print "No bugs to release for milestone %s" % milestone.name
+        print("No bugs to release for milestone %s" % milestone.name)
         sys.exit(0)
     mark_released = raw_input(RELEASE_PROMPT.format(
         bug_count=bug_count,
         pre_release_status=PRE_RELEASE_STATUS,
         milestone_title=milestone.name))
     if mark_released.lower() != "y":
-        print "Not releasing bugs."
+        print("Not releasing bugs.")
         sys.exit(0)
     for bug_task in bugs_for_milestone:
         # We re-load the bugtask to avoid having bug 369293 bite us.

tools/show_data.py

@@ -16,6 +16,7 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+from __future__ import print_function
 
 import sys
 
@@ -26,7 +27,7 @@ from ceilometer import storage
 
 def show_users(db, args):
     for u in sorted(db.get_users()):
-        print u
+        print(u)
 
 
 def show_resources(db, args):
@@ -35,11 +36,11 @@ def show_resources(db, args):
     else:
         users = sorted(db.get_users())
     for u in users:
-        print u
+        print(u)
         for resource in db.get_resources(user=u):
-            print '  %(resource_id)s %(timestamp)s' % resource
+            print('  %(resource_id)s %(timestamp)s' % resource)
             for k, v in sorted(resource['metadata'].iteritems()):
-                print '      %-10s : %s' % (k, v)
+                print('      %-10s : %s' % (k, v))
             for meter in resource['meter']:
                 totals = db.get_statistics(storage.SampleFilter(
                     user=u,
@@ -52,9 +53,9 @@ def show_resources(db, args):
                     value = totals[0]['max']
                 else:
                     value = totals[0]['sum']
-                print '    %s (%s): %s' % \
+                print('    %s (%s): %s' % \
-                    (meter['counter_name'], meter['counter_type'],
+                     (meter['counter_name'], meter['counter_type'],
-                     value)
+                      value))
 
 
 def show_total_resources(db, args):
@@ -63,7 +64,7 @@ def show_total_resources(db, args):
     else:
         users = sorted(db.get_users())
     for u in users:
-        print u
+        print(u)
         for meter in ['disk', 'cpu', 'instance']:
             stats = db.get_statistics(storage.SampleFilter(
                 user=u,
@@ -73,31 +74,31 @@ def show_total_resources(db, args):
                 total = stats['max']
             else:
                 total = stats['sum']
-            print '  ', meter, total
+            print('  ', meter, total)
 
 
 def show_raw(db, args):
     fmt = '    %(timestamp)s %(counter_name)10s %(counter_volume)s'
     for u in sorted(db.get_users()):
-        print u
+        print(u)
         for resource in db.get_resources(user=u):
-            print '  ', resource['resource_id']
+            print('  ', resource['resource_id'])
             for sample in db.get_samples(storage.SampleFilter(
                     user=u,
                     resource=resource['resource_id'],
             )):
-                print fmt % sample
+                print(fmt % sample)
 
 
 def show_help(db, args):
-    print 'COMMANDS:'
+    print('COMMANDS:')
     for name in sorted(COMMANDS.keys()):
-        print name
+        print(name)
 
 
 def show_projects(db, args):
     for u in sorted(db.get_projects()):
-        print u
+        print(u)
 
 
 COMMANDS = {