buildman: Convert to Python 3

Convert buildman to Python 3 and make it use that, to meet the 2020
deadline.

Signed-off-by: Simon Glass <sjg@chromium.org>

9 files changed, 146 insertions, 145 deletions

diff --git a/tools/buildman/board.py b/tools/buildman/board.py
index 2a1d021574c..447aaabea86 100644
--- a/tools/buildman/board.py
+++ b/tools/buildman/board.py
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0+
 # Copyright (c) 2012 The Chromium OS Authors.
 
+from collections import OrderedDict
 import re
 
 class Expr:
@@ -120,7 +121,7 @@ class Boards:
         Args:
             fname: Filename of boards.cfg file
         """
-        with open(fname, 'r') as fd:
+        with open(fname, 'r', encoding='utf-8') as fd:
             for line in fd:
                 if line[0] == '#':
                     continue
@@ -155,7 +156,7 @@ class Boards:
                 key is board.target
                 value is board
         """
-        board_dict = {}
+        board_dict = OrderedDict()
         for board in self._boards:
             board_dict[board.target] = board
         return board_dict
@@ -166,7 +167,7 @@ class Boards:
         Returns:
             List of Board objects that are marked selected
         """
-        board_dict = {}
+        board_dict = OrderedDict()
         for board in self._boards:
             if board.build_it:
                 board_dict[board.target] = board
@@ -259,7 +260,7 @@ class Boards:
                     due to each argument, arranged by argument.
                 List of errors found
         """
-        result = {}
+        result = OrderedDict()
         warnings = []
         terms = self._BuildTerms(args)
 
diff --git a/tools/buildman/bsettings.py b/tools/buildman/bsettings.py
index 03d7439aa54..0b7208da373 100644
--- a/tools/buildman/bsettings.py
+++ b/tools/buildman/bsettings.py
@@ -1,9 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0+
 # Copyright (c) 2012 The Chromium OS Authors.
 
-import ConfigParser
+import configparser
 import os
-import StringIO
+import io
 
 
 def Setup(fname=''):
@@ -15,20 +15,20 @@ def Setup(fname=''):
     global settings
     global config_fname
 
-    settings = ConfigParser.SafeConfigParser()
+    settings = configparser.SafeConfigParser()
     if fname is not None:
         config_fname = fname
         if config_fname == '':
             config_fname = '%s/.buildman' % os.getenv('HOME')
         if not os.path.exists(config_fname):
-            print 'No config file found ~/.buildman\nCreating one...\n'
+            print('No config file found ~/.buildman\nCreating one...\n')
             CreateBuildmanConfigFile(config_fname)
-            print 'To install tool chains, please use the --fetch-arch option'
+            print('To install tool chains, please use the --fetch-arch option')
         if config_fname:
             settings.read(config_fname)
 
 def AddFile(data):
-    settings.readfp(StringIO.StringIO(data))
+    settings.readfp(io.StringIO(data))
 
 def GetItems(section):
     """Get the items from a section of the config.
@@ -41,7 +41,7 @@ def GetItems(section):
     """
     try:
         return settings.items(section)
-    except ConfigParser.NoSectionError as e:
+    except configparser.NoSectionError as e:
         return []
     except:
         raise
@@ -68,10 +68,10 @@ def CreateBuildmanConfigFile(config_fname):
     try:
         f = open(config_fname, 'w')
     except IOError:
-        print "Couldn't create buildman config file '%s'\n" % config_fname
+        print("Couldn't create buildman config file '%s'\n" % config_fname)
         raise
 
-    print >>f, '''[toolchain]
+    print('''[toolchain]
 # name = path
 # e.g. x86 = /opt/gcc-4.6.3-nolibc/x86_64-linux
 
@@ -93,5 +93,5 @@ openrisc = or1k
 # snapper-boards=ENABLE_AT91_TEST=1
 # snapper9260=${snapper-boards} BUILD_TAG=442
 # snapper9g45=${snapper-boards} BUILD_TAG=443
-'''
+''', file=f)
     f.close();
diff --git a/tools/buildman/builder.py b/tools/buildman/builder.py
index fbb236676c7..cfbe4c26b1a 100644
--- a/tools/buildman/builder.py
+++ b/tools/buildman/builder.py
@@ -9,7 +9,7 @@ from datetime import datetime, timedelta
 import glob
 import os
 import re
-import Queue
+import queue
 import shutil
 import signal
 import string
@@ -92,11 +92,10 @@ u-boot/             source directory
 """
 
 # Possible build outcomes
-OUTCOME_OK, OUTCOME_WARNING, OUTCOME_ERROR, OUTCOME_UNKNOWN = range(4)
+OUTCOME_OK, OUTCOME_WARNING, OUTCOME_ERROR, OUTCOME_UNKNOWN = list(range(4))
 
 # Translate a commit subject into a valid filename (and handle unicode)
-trans_valid_chars = string.maketrans('/: ', '---')
-trans_valid_chars = trans_valid_chars.decode('latin-1')
+trans_valid_chars = str.maketrans('/: ', '---')
 
 BASE_CONFIG_FILENAMES = [
     'u-boot.cfg', 'u-boot-spl.cfg', 'u-boot-tpl.cfg'
@@ -122,8 +121,8 @@ class Config:
     def __hash__(self):
         val = 0
         for fname in self.config:
-            for key, value in self.config[fname].iteritems():
-                print key, value
+            for key, value in self.config[fname].items():
+                print(key, value)
                 val = val ^ hash(key) & hash(value)
         return val
 
@@ -293,8 +292,8 @@ class Builder:
         self._re_dtb_warning = re.compile('(.*): Warning .*')
         self._re_note = re.compile('(.*):(\d*):(\d*): note: this is the location of the previous.*')
 
-        self.queue = Queue.Queue()
-        self.out_queue = Queue.Queue()
+        self.queue = queue.Queue()
+        self.out_queue = queue.Queue()
         for i in range(self.num_threads):
             t = builderthread.BuilderThread(self, i, incremental,
                     per_board_out_dir)
@@ -781,7 +780,7 @@ class Builder:
         config = {}
         environment = {}
 
-        for board in boards_selected.itervalues():
+        for board in boards_selected.values():
             outcome = self.GetBuildOutcome(commit_upto, board.target,
                                            read_func_sizes, read_config,
                                            read_environment)
@@ -814,13 +813,13 @@ class Builder:
             tconfig = Config(self.config_filenames, board.target)
             for fname in self.config_filenames:
                 if outcome.config:
-                    for key, value in outcome.config[fname].iteritems():
+                    for key, value in outcome.config[fname].items():
                         tconfig.Add(fname, key, value)
             config[board.target] = tconfig
 
             tenvironment = Environment(board.target)
             if outcome.environment:
-                for key, value in outcome.environment.iteritems():
+                for key, value in outcome.environment.items():
                     tenvironment.Add(key, value)
             environment[board.target] = tenvironment
 
@@ -1040,12 +1039,12 @@ class Builder:
 
         # We now have a list of image size changes sorted by arch
         # Print out a summary of these
-        for arch, target_list in arch_list.iteritems():
+        for arch, target_list in arch_list.items():
             # Get total difference for each type
             totals = {}
             for result in target_list:
                 total = 0
-                for name, diff in result.iteritems():
+                for name, diff in result.items():
                     if name.startswith('_'):
                         continue
                     total += diff
@@ -1250,7 +1249,7 @@ class Builder:
             if self._show_unknown:
                 self.AddOutcome(board_selected, arch_list, unknown_boards, '?',
                         self.col.MAGENTA)
-            for arch, target_list in arch_list.iteritems():
+            for arch, target_list in arch_list.items():
                 Print('%10s: %s' % (arch, target_list))
                 self._error_lines += 1
             if better_err:
@@ -1283,13 +1282,13 @@ class Builder:
                 environment_minus = {}
                 environment_change = {}
                 base = tbase.environment
-                for key, value in tenvironment.environment.iteritems():
+                for key, value in tenvironment.environment.items():
                     if key not in base:
                         environment_plus[key] = value
-                for key, value in base.iteritems():
+                for key, value in base.items():
                     if key not in tenvironment.environment:
                         environment_minus[key] = value
-                for key, value in base.iteritems():
+                for key, value in base.items():
                     new_value = tenvironment.environment.get(key)
                     if new_value and value != new_value:
                         desc = '%s -> %s' % (value, new_value)
@@ -1342,15 +1341,15 @@ class Builder:
                     config_minus = {}
                     config_change = {}
                     base = tbase.config[name]
-                    for key, value in tconfig.config[name].iteritems():
+                    for key, value in tconfig.config[name].items():
                         if key not in base:
                             config_plus[key] = value
                             all_config_plus[key] = value
-                    for key, value in base.iteritems():
+                    for key, value in base.items():
                         if key not in tconfig.config[name]:
                             config_minus[key] = value
                             all_config_minus[key] = value
-                    for key, value in base.iteritems():
+                    for key, value in base.items():
                         new_value = tconfig.config.get(key)
                         if new_value and value != new_value:
                             desc = '%s -> %s' % (value, new_value)
@@ -1368,7 +1367,7 @@ class Builder:
                 summary[target] = '\n'.join(lines)
 
             lines_by_target = {}
-            for target, lines in summary.iteritems():
+            for target, lines in summary.items():
                 if lines in lines_by_target:
                     lines_by_target[lines].append(target)
                 else:
@@ -1392,7 +1391,7 @@ class Builder:
                     Print('%s:' % arch)
                     _OutputConfigInfo(lines)
 
-            for lines, targets in lines_by_target.iteritems():
+            for lines, targets in lines_by_target.items():
                 if not lines:
                     continue
                 Print('%s :' % ' '.join(sorted(targets)))
@@ -1463,7 +1462,7 @@ class Builder:
             commits: Selected commits to build
         """
         # First work out how many commits we will build
-        count = (self.commit_count + self._step - 1) / self._step
+        count = (self.commit_count + self._step - 1) // self._step
         self.count = len(board_selected) * count
         self.upto = self.warned = self.fail = 0
         self._timestamps = collections.deque()
@@ -1566,7 +1565,7 @@ class Builder:
         self.ProcessResult(None)
 
         # Create jobs to build all commits for each board
-        for brd in board_selected.itervalues():
+        for brd in board_selected.values():
             job = builderthread.BuilderJob()
             job.board = brd
             job.commits = commits
diff --git a/tools/buildman/builderthread.py b/tools/buildman/builderthread.py
index 8a9d47cd5e4..570c1f6595c 100644
--- a/tools/buildman/builderthread.py
+++ b/tools/buildman/builderthread.py
@@ -28,7 +28,7 @@ def Mkdir(dirname, parents = False):
     except OSError as err:
         if err.errno == errno.EEXIST:
             if os.path.realpath('.') == os.path.realpath(dirname):
-                print "Cannot create the current working directory '%s'!" % dirname
+                print("Cannot create the current working directory '%s'!" % dirname)
                 sys.exit(1)
             pass
         else:
@@ -291,15 +291,13 @@ class BuilderThread(threading.Thread):
         outfile = os.path.join(build_dir, 'log')
         with open(outfile, 'w') as fd:
             if result.stdout:
-                # We don't want unicode characters in log files
-                fd.write(result.stdout.decode('UTF-8').encode('ASCII', 'replace'))
+                fd.write(result.stdout)
 
         errfile = self.builder.GetErrFile(result.commit_upto,
                 result.brd.target)
         if result.stderr:
             with open(errfile, 'w') as fd:
-                # We don't want unicode characters in log files
-                fd.write(result.stderr.decode('UTF-8').encode('ASCII', 'replace'))
+                fd.write(result.stderr)
         elif os.path.exists(errfile):
             os.remove(errfile)
 
@@ -314,17 +312,17 @@ class BuilderThread(threading.Thread):
                 else:
                     fd.write('%s' % result.return_code)
             with open(os.path.join(build_dir, 'toolchain'), 'w') as fd:
-                print >>fd, 'gcc', result.toolchain.gcc
-                print >>fd, 'path', result.toolchain.path
-                print >>fd, 'cross', result.toolchain.cross
-                print >>fd, 'arch', result.toolchain.arch
+                print('gcc', result.toolchain.gcc, file=fd)
+                print('path', result.toolchain.path, file=fd)
+                print('cross', result.toolchain.cross, file=fd)
+                print('arch', result.toolchain.arch, file=fd)
                 fd.write('%s' % result.return_code)
 
             # Write out the image and function size information and an objdump
             env = result.toolchain.MakeEnvironment(self.builder.full_path)
             with open(os.path.join(build_dir, 'env'), 'w') as fd:
                 for var in sorted(env.keys()):
-                    print >>fd, '%s="%s"' % (var, env[var])
+                    print('%s="%s"' % (var, env[var]), file=fd)
             lines = []
             for fname in ['u-boot', 'spl/u-boot-spl']:
                 cmd = ['%snm' % self.toolchain.cross, '--size-sort', fname]
@@ -335,7 +333,7 @@ class BuilderThread(threading.Thread):
                     nm = self.builder.GetFuncSizesFile(result.commit_upto,
                                     result.brd.target, fname)
                     with open(nm, 'w') as fd:
-                        print >>fd, nm_result.stdout,
+                        print(nm_result.stdout, end=' ', file=fd)
 
                 cmd = ['%sobjdump' % self.toolchain.cross, '-h', fname]
                 dump_result = command.RunPipe([cmd], capture=True,
@@ -346,7 +344,7 @@ class BuilderThread(threading.Thread):
                     objdump = self.builder.GetObjdumpFile(result.commit_upto,
                                     result.brd.target, fname)
                     with open(objdump, 'w') as fd:
-                        print >>fd, dump_result.stdout,
+                        print(dump_result.stdout, end=' ', file=fd)
                     for line in dump_result.stdout.splitlines():
                         fields = line.split()
                         if len(fields) > 5 and fields[1] == '.rodata':
@@ -378,7 +376,7 @@ class BuilderThread(threading.Thread):
                 sizes = self.builder.GetSizesFile(result.commit_upto,
                                 result.brd.target)
                 with open(sizes, 'w') as fd:
-                    print >>fd, '\n'.join(lines)
+                    print('\n'.join(lines), file=fd)
 
         # Write out the configuration files, with a special case for SPL
         for dirname in ['', 'spl', 'tpl']:
diff --git a/tools/buildman/buildman.py b/tools/buildman/buildman.py
index f17aa15e7c5..30a8690f935 100755
--- a/tools/buildman/buildman.py
+++ b/tools/buildman/buildman.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # SPDX-License-Identifier: GPL-2.0+
 #
 # Copyright (c) 2012 The Chromium OS Authors.
@@ -6,6 +6,8 @@
 
 """See README for more information"""
 
+from __future__ import print_function
+
 import multiprocessing
 import os
 import re
@@ -46,11 +48,11 @@ def RunTests(skip_net_tests):
         suite = unittest.TestLoader().loadTestsFromTestCase(module)
         suite.run(result)
 
-    print result
+    print(result)
     for test, err in result.errors:
-        print err
+        print(err)
     for test, err in result.failures:
-        print err
+        print(err)
 
 
 options, args = cmdline.ParseArgs()
diff --git a/tools/buildman/control.py b/tools/buildman/control.py
index 9787b867476..216012d0016 100644
--- a/tools/buildman/control.py
+++ b/tools/buildman/control.py
@@ -30,7 +30,7 @@ def GetActionSummary(is_summary, commits, selected, options):
     """
     if commits:
         count = len(commits)
-        count = (count + options.step - 1) / options.step
+        count = (count + options.step - 1) // options.step
         commit_str = '%d commit%s' % (count, GetPlural(count))
     else:
         commit_str = 'current source'
@@ -59,31 +59,31 @@ def ShowActions(series, why_selected, boards_selected, builder, options,
         board_warnings: List of warnings obtained from board selected
     """
     col = terminal.Color()
-    print 'Dry run, so not doing much. But I would do this:'
-    print
+    print('Dry run, so not doing much. But I would do this:')
+    print()
     if series:
         commits = series.commits
     else:
         commits = None
-    print GetActionSummary(False, commits, boards_selected,
-            options)
-    print 'Build directory: %s' % builder.base_dir
+    print(GetActionSummary(False, commits, boards_selected,
+            options))
+    print('Build directory: %s' % builder.base_dir)
     if commits:
         for upto in range(0, len(series.commits), options.step):
             commit = series.commits[upto]
-            print '   ', col.Color(col.YELLOW, commit.hash[:8], bright=False),
-            print commit.subject
-    print
+            print('   ', col.Color(col.YELLOW, commit.hash[:8], bright=False), end=' ')
+            print(commit.subject)
+    print()
     for arg in why_selected:
         if arg != 'all':
-            print arg, ': %d boards' % len(why_selected[arg])
+            print(arg, ': %d boards' % len(why_selected[arg]))
             if options.verbose:
-                print '   %s' % ' '.join(why_selected[arg])
-    print ('Total boards to build for each commit: %d\n' %
-            len(why_selected['all']))
+                print('   %s' % ' '.join(why_selected[arg]))
+    print(('Total boards to build for each commit: %d\n' %
+            len(why_selected['all'])))
     if board_warnings:
         for warning in board_warnings:
-            print col.Color(col.YELLOW, warning)
+            print(col.Color(col.YELLOW, warning))
 
 def CheckOutputDir(output_dir):
     """Make sure that the output directory is not within the current directory
@@ -146,17 +146,17 @@ def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
     if options.fetch_arch:
         if options.fetch_arch == 'list':
             sorted_list = toolchains.ListArchs()
-            print col.Color(col.BLUE, 'Available architectures: %s\n' %
-                            ' '.join(sorted_list))
+            print(col.Color(col.BLUE, 'Available architectures: %s\n' %
+                            ' '.join(sorted_list)))
             return 0
         else:
             fetch_arch = options.fetch_arch
             if fetch_arch == 'all':
                 fetch_arch = ','.join(toolchains.ListArchs())
-                print col.Color(col.CYAN, '\nDownloading toolchains: %s' %
-                                fetch_arch)
+                print(col.Color(col.CYAN, '\nDownloading toolchains: %s' %
+                                fetch_arch))
             for arch in fetch_arch.split(','):
-                print
+                print()
                 ret = toolchains.FetchAndInstall(arch)
                 if ret:
                     return ret
@@ -167,7 +167,7 @@ def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
         toolchains.Scan(options.list_tool_chains and options.verbose)
     if options.list_tool_chains:
         toolchains.List()
-        print
+        print()
         return 0
 
     # Work out how many commits to build. We want to build everything on the
@@ -191,7 +191,7 @@ def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
                 sys.exit(col.Color(col.RED, "Range '%s' has no commits" %
                                    options.branch))
             if msg:
-                print col.Color(col.YELLOW, msg)
+                print(col.Color(col.YELLOW, msg))
             count += 1   # Build upstream commit also
 
     if not count:
@@ -268,7 +268,7 @@ def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
         options.threads = min(multiprocessing.cpu_count(), len(selected))
     if not options.jobs:
         options.jobs = max(1, (multiprocessing.cpu_count() +
-                len(selected) - 1) / len(selected))
+                len(selected) - 1) // len(selected))
 
     if not options.step:
         options.step = len(series.commits) - 1
diff --git a/tools/buildman/func_test.py b/tools/buildman/func_test.py
index f90b8ea7f5d..4c3d497294d 100644
--- a/tools/buildman/func_test.py
+++ b/tools/buildman/func_test.py
@@ -270,7 +270,7 @@ class TestFunctional(unittest.TestCase):
                                             stdout=''.join(commit_log[:count]))
 
         # Not handled, so abort
-        print 'git log', args
+        print('git log', args)
         sys.exit(1)
 
     def _HandleCommandGitConfig(self, args):
@@ -286,7 +286,7 @@ class TestFunctional(unittest.TestCase):
                                          stdout='refs/heads/master\n')
 
         # Not handled, so abort
-        print 'git config', args
+        print('git config', args)
         sys.exit(1)
 
     def _HandleCommandGit(self, in_args):
@@ -320,7 +320,7 @@ class TestFunctional(unittest.TestCase):
             return command.CommandResult(return_code=0)
 
         # Not handled, so abort
-        print 'git', git_args, sub_cmd, args
+        print('git', git_args, sub_cmd, args)
         sys.exit(1)
 
     def _HandleCommandNm(self, args):
@@ -351,7 +351,7 @@ class TestFunctional(unittest.TestCase):
             if pipe_list[1] == ['wc', '-l']:
                 wc = True
             else:
-                print 'invalid pipe', kwargs
+                print('invalid pipe', kwargs)
                 sys.exit(1)
         cmd = pipe_list[0][0]
         args = pipe_list[0][1:]
@@ -371,7 +371,7 @@ class TestFunctional(unittest.TestCase):
 
         if not result:
             # Not handled, so abort
-            print 'unknown command', kwargs
+            print('unknown command', kwargs)
             sys.exit(1)
 
         if wc:
@@ -404,14 +404,14 @@ class TestFunctional(unittest.TestCase):
             return command.CommandResult(return_code=0)
 
         # Not handled, so abort
-        print 'make', stage
+        print('make', stage)
         sys.exit(1)
 
     # Example function to print output lines
     def print_lines(self, lines):
-        print len(lines)
+        print(len(lines))
         for line in lines:
-            print line
+            print(line)
         #self.print_lines(terminal.GetPrintTestLines())
 
     def testNoBoards(self):
diff --git a/tools/buildman/test.py b/tools/buildman/test.py
index ed99b9375c4..b4e28d68676 100644
--- a/tools/buildman/test.py
+++ b/tools/buildman/test.py
@@ -212,11 +212,11 @@ class TestBuild(unittest.TestCase):
         self.assertEqual(lines[1].text, '02: %s' % commits[1][1])
 
         col = terminal.Color()
-        self.assertSummary(lines[2].text, 'sandbox', 'w+', ['board4'],
+        self.assertSummary(lines[2].text, 'arm', 'w+', ['board1'],
                            outcome=OUTCOME_WARN)
-        self.assertSummary(lines[3].text, 'arm', 'w+', ['board1'],
+        self.assertSummary(lines[3].text, 'powerpc', 'w+', ['board2', 'board3'],
                            outcome=OUTCOME_WARN)
-        self.assertSummary(lines[4].text, 'powerpc', 'w+', ['board2', 'board3'],
+        self.assertSummary(lines[4].text, 'sandbox', 'w+', ['board4'],
                            outcome=OUTCOME_WARN)
 
         # Second commit: The warnings should be listed
@@ -226,10 +226,10 @@ class TestBuild(unittest.TestCase):
 
         # Third commit: Still fails
         self.assertEqual(lines[6].text, '03: %s' % commits[2][1])
-        self.assertSummary(lines[7].text, 'sandbox', '+', ['board4'])
-        self.assertSummary(lines[8].text, 'arm', '', ['board1'],
+        self.assertSummary(lines[7].text, 'arm', '', ['board1'],
                            outcome=OUTCOME_OK)
-        self.assertSummary(lines[9].text, 'powerpc', '+', ['board2', 'board3'])
+        self.assertSummary(lines[8].text, 'powerpc', '+', ['board2', 'board3'])
+        self.assertSummary(lines[9].text, 'sandbox', '+', ['board4'])
 
         # Expect a compiler error
         self.assertEqual(lines[10].text, '+%s' %
@@ -237,8 +237,6 @@ class TestBuild(unittest.TestCase):
 
         # Fourth commit: Compile errors are fixed, just have warning for board3
         self.assertEqual(lines[11].text, '04: %s' % commits[3][1])
-        self.assertSummary(lines[12].text, 'sandbox', 'w+', ['board4'],
-                           outcome=OUTCOME_WARN)
         expect = '%10s: ' % 'powerpc'
         expect += ' ' + col.Color(col.GREEN, '')
         expect += '  '
@@ -246,7 +244,9 @@ class TestBuild(unittest.TestCase):
         expect += ' ' + col.Color(col.YELLOW, 'w+')
         expect += '  '
         expect += col.Color(col.YELLOW, ' %s' % 'board3')
-        self.assertEqual(lines[13].text, expect)
+        self.assertEqual(lines[12].text, expect)
+        self.assertSummary(lines[13].text, 'sandbox', 'w+', ['board4'],
+                           outcome=OUTCOME_WARN)
 
         # Compile error fixed
         self.assertEqual(lines[14].text, '-%s' %
@@ -259,9 +259,9 @@ class TestBuild(unittest.TestCase):
 
         # Fifth commit
         self.assertEqual(lines[16].text, '05: %s' % commits[4][1])
-        self.assertSummary(lines[17].text, 'sandbox', '+', ['board4'])
-        self.assertSummary(lines[18].text, 'powerpc', '', ['board3'],
+        self.assertSummary(lines[17].text, 'powerpc', '', ['board3'],
                            outcome=OUTCOME_OK)
+        self.assertSummary(lines[18].text, 'sandbox', '+', ['board4'])
 
         # The second line of errors[3] is a duplicate, so buildman will drop it
         expect = errors[3].rstrip().split('\n')
diff --git a/tools/buildman/toolchain.py b/tools/buildman/toolchain.py
index a65737fdf84..cc26e2ede57 100644
--- a/tools/buildman/toolchain.py
+++ b/tools/buildman/toolchain.py
@@ -4,18 +4,19 @@
 
 import re
 import glob
-from HTMLParser import HTMLParser
+from html.parser import HTMLParser
 import os
 import sys
 import tempfile
-import urllib2
+import urllib.request, urllib.error, urllib.parse
 
 import bsettings
 import command
 import terminal
+import tools
 
 (PRIORITY_FULL_PREFIX, PRIORITY_PREFIX_GCC, PRIORITY_PREFIX_GCC_PATH,
-    PRIORITY_CALC) = range(4)
+    PRIORITY_CALC) = list(range(4))
 
 # Simple class to collect links from a page
 class MyHTMLParser(HTMLParser):
@@ -100,15 +101,15 @@ class Toolchain:
                                      raise_on_error=False)
             self.ok = result.return_code == 0
             if verbose:
-                print 'Tool chain test: ',
+                print('Tool chain test: ', end=' ')
                 if self.ok:
-                    print "OK, arch='%s', priority %d" % (self.arch,
-                                                          self.priority)
+                    print("OK, arch='%s', priority %d" % (self.arch,
+                                                          self.priority))
                 else:
-                    print 'BAD'
-                    print 'Command: ', cmd
-                    print result.stdout
-                    print result.stderr
+                    print('BAD')
+                    print('Command: ', cmd)
+                    print(result.stdout)
+                    print(result.stderr)
         else:
             self.ok = True
 
@@ -138,7 +139,7 @@ class Toolchain:
         value = ''
         for name, value in bsettings.GetItems('toolchain-wrapper'):
             if not value:
-                print "Warning: Wrapper not found"
+                print("Warning: Wrapper not found")
         if value:
             value = value + ' '
 
@@ -227,11 +228,11 @@ class Toolchains:
         """
         toolchains = bsettings.GetItems('toolchain')
         if show_warning and not toolchains:
-            print ("Warning: No tool chains. Please run 'buildman "
+            print(("Warning: No tool chains. Please run 'buildman "
                    "--fetch-arch all' to download all available toolchains, or "
                    "add a [toolchain] section to your buildman config file "
                    "%s. See README for details" %
-                   bsettings.config_fname)
+                   bsettings.config_fname))
 
         paths = []
         for name, value in toolchains:
@@ -272,10 +273,10 @@ class Toolchains:
         if add_it:
             self.toolchains[toolchain.arch] = toolchain
         elif verbose:
-            print ("Toolchain '%s' at priority %d will be ignored because "
+            print(("Toolchain '%s' at priority %d will be ignored because "
                    "another toolchain for arch '%s' has priority %d" %
                    (toolchain.gcc, toolchain.priority, toolchain.arch,
-                    self.toolchains[toolchain.arch].priority))
+                    self.toolchains[toolchain.arch].priority)))
 
     def ScanPath(self, path, verbose):
         """Scan a path for a valid toolchain
@@ -289,9 +290,9 @@ class Toolchains:
         fnames = []
         for subdir in ['.', 'bin', 'usr/bin']:
             dirname = os.path.join(path, subdir)
-            if verbose: print "      - looking in '%s'" % dirname
+            if verbose: print("      - looking in '%s'" % dirname)
             for fname in glob.glob(dirname + '/*gcc'):
-                if verbose: print "         - found '%s'" % fname
+                if verbose: print("         - found '%s'" % fname)
                 fnames.append(fname)
         return fnames
 
@@ -321,9 +322,9 @@ class Toolchains:
         Args:
             verbose: True to print out progress information
         """
-        if verbose: print 'Scanning for tool chains'
+        if verbose: print('Scanning for tool chains')
         for name, value in self.prefixes:
-            if verbose: print "   - scanning prefix '%s'" % value
+            if verbose: print("   - scanning prefix '%s'" % value)
             if os.path.exists(value):
                 self.Add(value, True, verbose, PRIORITY_FULL_PREFIX, name)
                 continue
@@ -335,10 +336,10 @@ class Toolchains:
             for f in fname_list:
                 self.Add(f, True, verbose, PRIORITY_PREFIX_GCC_PATH, name)
             if not fname_list:
-                raise ValueError, ("No tool chain found for prefix '%s'" %
+                raise ValueError("No tool chain found for prefix '%s'" %
                                    value)
         for path in self.paths:
-            if verbose: print "   - scanning path '%s'" % path
+            if verbose: print("   - scanning path '%s'" % path)
             fnames = self.ScanPath(path, verbose)
             for fname in fnames:
                 self.Add(fname, True, verbose)
@@ -346,13 +347,13 @@ class Toolchains:
     def List(self):
         """List out the selected toolchains for each architecture"""
         col = terminal.Color()
-        print col.Color(col.BLUE, 'List of available toolchains (%d):' %
-                        len(self.toolchains))
+        print(col.Color(col.BLUE, 'List of available toolchains (%d):' %
+                        len(self.toolchains)))
         if len(self.toolchains):
-            for key, value in sorted(self.toolchains.iteritems()):
-                print '%-10s: %s' % (key, value.gcc)
+            for key, value in sorted(self.toolchains.items()):
+                print('%-10s: %s' % (key, value.gcc))
         else:
-            print 'None'
+            print('None')
 
     def Select(self, arch):
         """Returns the toolchain for a given architecture
@@ -370,7 +371,7 @@ class Toolchains:
                         return self.toolchains[alias]
 
         if not arch in self.toolchains:
-            raise ValueError, ("No tool chain found for arch '%s'" % arch)
+            raise ValueError("No tool chain found for arch '%s'" % arch)
         return self.toolchains[arch]
 
     def ResolveReferences(self, var_dict, args):
@@ -464,9 +465,9 @@ class Toolchains:
         links = []
         for version in versions:
             url = '%s/%s/%s/' % (base, arch, version)
-            print 'Checking: %s' % url
-            response = urllib2.urlopen(url)
-            html = response.read()
+            print('Checking: %s' % url)
+            response = urllib.request.urlopen(url)
+            html = tools.ToString(response.read())
             parser = MyHTMLParser(fetch_arch)
             parser.feed(html)
             if fetch_arch == 'list':
@@ -488,14 +489,14 @@ class Toolchains:
                 Full path to the downloaded archive file in that directory,
                     or None if there was an error while downloading
         """
-        print 'Downloading: %s' % url
+        print('Downloading: %s' % url)
         leaf = url.split('/')[-1]
         tmpdir = tempfile.mkdtemp('.buildman')
-        response = urllib2.urlopen(url)
+        response = urllib.request.urlopen(url)
         fname = os.path.join(tmpdir, leaf)
         fd = open(fname, 'wb')
         meta = response.info()
-        size = int(meta.getheaders('Content-Length')[0])
+        size = int(meta.get('Content-Length'))
         done = 0
         block_size = 1 << 16
         status = ''
@@ -504,19 +505,19 @@ class Toolchains:
         while True:
             buffer = response.read(block_size)
             if not buffer:
-                print chr(8) * (len(status) + 1), '\r',
+                print(chr(8) * (len(status) + 1), '\r', end=' ')
                 break
 
             done += len(buffer)
             fd.write(buffer)
-            status = r'%10d MiB  [%3d%%]' % (done / 1024 / 1024,
-                                             done * 100 / size)
+            status = r'%10d MiB  [%3d%%]' % (done // 1024 // 1024,
+                                             done * 100 // size)
             status = status + chr(8) * (len(status) + 1)
-            print status,
+            print(status, end=' ')
             sys.stdout.flush()
         fd.close()
         if done != size:
-            print 'Error, failed to download'
+            print('Error, failed to download')
             os.remove(fname)
             fname = None
         return tmpdir, fname
@@ -565,11 +566,11 @@ class Toolchains:
         """
         # Fist get the URL for this architecture
         col = terminal.Color()
-        print col.Color(col.BLUE, "Downloading toolchain for arch '%s'" % arch)
+        print(col.Color(col.BLUE, "Downloading toolchain for arch '%s'" % arch))
         url = self.LocateArchUrl(arch)
         if not url:
-            print ("Cannot find toolchain for arch '%s' - use 'list' to list" %
-                   arch)
+            print(("Cannot find toolchain for arch '%s' - use 'list' to list" %
+                   arch))
             return 2
         home = os.environ['HOME']
         dest = os.path.join(home, '.buildman-toolchains')
@@ -580,28 +581,28 @@ class Toolchains:
         tmpdir, tarfile = self.Download(url)
         if not tarfile:
             return 1
-        print col.Color(col.GREEN, 'Unpacking to: %s' % dest),
+        print(col.Color(col.GREEN, 'Unpacking to: %s' % dest), end=' ')
         sys.stdout.flush()
         path = self.Unpack(tarfile, dest)
         os.remove(tarfile)
         os.rmdir(tmpdir)
-        print
+        print()
 
         # Check that the toolchain works
-        print col.Color(col.GREEN, 'Testing')
+        print(col.Color(col.GREEN, 'Testing'))
         dirpath = os.path.join(dest, path)
         compiler_fname_list = self.ScanPath(dirpath, True)
         if not compiler_fname_list:
-            print 'Could not locate C compiler - fetch failed.'
+            print('Could not locate C compiler - fetch failed.')
             return 1
         if len(compiler_fname_list) != 1:
-            print col.Color(col.RED, 'Warning, ambiguous toolchains: %s' %
-                            ', '.join(compiler_fname_list))
+            print(col.Color(col.RED, 'Warning, ambiguous toolchains: %s' %
+                            ', '.join(compiler_fname_list)))
         toolchain = Toolchain(compiler_fname_list[0], True, True)
 
         # Make sure that it will be found by buildman
         if not self.TestSettingsHasPath(dirpath):
-            print ("Adding 'download' to config file '%s'" %
-                   bsettings.config_fname)
+            print(("Adding 'download' to config file '%s'" %
+                   bsettings.config_fname))
             bsettings.SetItem('toolchain', 'download', '%s/*/*' % dest)
         return 0