add __future__ imports, first step to python3

running futurize:

futurize -w -p -a --stage1 bin config_db_migrate db_migrate docs
  libcodechecker scripts tests vendor/plist_to_html vendor/build-logger

bin/CodeChecker.py

@@ -8,6 +8,8 @@
 Main CodeChecker script.
 """
 from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import argparse
 import json

config_db_migrate/env.py

@@ -1,4 +1,7 @@
 from __future__ import with_statement
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 from alembic import context
 from sqlalchemy import engine_from_config, pool
 

config_db_migrate/versions/150800b30447_share_sessions_through_the_database.py

@@ -5,6 +5,9 @@
 Create Date: 2017-11-23 15:26:45.594141
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = '150800b30447'

config_db_migrate/versions/4964142b58d2_authentication_session_tokens.py

@@ -5,6 +5,9 @@
 Create Date: 2018-03-28 10:21:38.593302
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = '4964142b58d2'

config_db_migrate/versions/6b9f832d0b20_add_user_name_and_group_to_session.py

@@ -5,6 +5,9 @@
 Create Date: 2018-03-13 10:44:38.446589
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = '6b9f832d0b20'

config_db_migrate/versions/8268fc7ca7f4_initial_schema.py

@@ -5,6 +5,9 @@
 Create Date: 2017-09-18 20:57:11.098460
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = '8268fc7ca7f4'

config_db_migrate/versions/bb5278995f41_run_limitation_for_products.py

@@ -5,6 +5,9 @@
 Create Date: 2018-03-01 15:38:41.164141
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = 'bb5278995f41'

db_migrate/env.py

@@ -1,4 +1,7 @@
 from __future__ import with_statement
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 from alembic import context
 from sqlalchemy import engine_from_config, pool
 

db_migrate/versions/080349e895d7_add_check_command_to_run_history.py

@@ -5,6 +5,9 @@
 Create Date: 2018-03-12 15:10:24.652576
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = '080349e895d7'

db_migrate/versions/101a9cb747de_add_bug_event_and_point_report_index.py

@@ -5,6 +5,9 @@
 Create Date: 2018-02-15 15:30:59.966552
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = '101a9cb747de'

db_migrate/versions/3793e361a752_source_components.py

@@ -5,6 +5,9 @@
 Create Date: 2018-04-20 09:29:24.072720
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = '3793e361a752'

db_migrate/versions/4b38fa14c27b_file_id_index_for_reports.py

@@ -8,6 +8,9 @@
 Add index for the file ids in the report table to speed up
 file cleanup.
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = '4b38fa14c27b'

db_migrate/versions/82ca43f05c10_initial_schema.py

@@ -5,6 +5,9 @@
 Create Date: 2017-09-18 21:00:11.593693
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = '82ca43f05c10'

db_migrate/versions/dd9c97ead24_share_the_locking_of_runs.py

@@ -5,6 +5,9 @@
 Create Date: 2017-11-17 15:44:07.810579
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 # revision identifiers, used by Alembic.
 revision = 'dd9c97ead24'

libcodechecker/analyze/analysis_manager.py

@@ -5,6 +5,9 @@
 # -------------------------------------------------------------------------
 """
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 from collections import defaultdict
 import codecs

libcodechecker/analyze/analyzer.py

@@ -6,6 +6,9 @@
 """
 Prepare and start different analysis types
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import copy
 from multiprocessing import Manager
@@ -55,7 +58,7 @@ def create_actions_map(actions, manager):
         if act.source_count > 1:
             LOG.debug("Multiple sources for one build action: " +
                       str(act.sources))
-        source = os.path.join(act.directory, act.sources.next())
+        source = os.path.join(act.directory, next(act.sources))
         key = source, act.target
         if key in result:
             LOG.debug("Multiple entires in compile database "

libcodechecker/analyze/analyzer_env.py

@@ -4,6 +4,9 @@
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
 """"""
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import os
 

libcodechecker/analyze/analyzers/analyzer_base.py

@@ -3,6 +3,13 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Base class for various source analyzers.
+"""
+
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 from abc import ABCMeta, abstractmethod
 import os

libcodechecker/analyze/analyzers/analyzer_clang_tidy.py

@@ -5,6 +5,9 @@
 # -------------------------------------------------------------------------
 """
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import os
 import re

libcodechecker/analyze/analyzers/analyzer_clangsa.py

@@ -3,6 +3,13 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Clang Static Analyzer related functions.
+"""
+
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import os
 import re

libcodechecker/analyze/analyzers/analyzer_types.py

@@ -7,6 +7,9 @@
 """
 Supported analyzer types.
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 import os
 import platform
 import re

libcodechecker/analyze/analyzers/config_handler.py

@@ -3,6 +3,13 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Static analyzer configuration handler.
+"""
+
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 from abc import ABCMeta, abstractmethod
 import collections

libcodechecker/analyze/analyzers/config_handler_clang_tidy.py

@@ -3,6 +3,12 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Config handler for Clang Tidy analyzer.
+"""
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import argparse
 import json

libcodechecker/analyze/analyzers/config_handler_clangsa.py

@@ -3,6 +3,13 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Clang Static analyzer configuration handler.
+"""
+
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import re
 

libcodechecker/analyze/analyzers/ctu_triple_arch.py

@@ -6,6 +6,9 @@
 """
 Helpers for determining triple arch of a compile action
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import shlex
 

libcodechecker/analyze/analyzers/result_handler_base.py

@@ -3,6 +3,13 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Result handlers to manage the output of the static analyzers.
+"""
+
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 from abc import ABCMeta
 import hashlib

libcodechecker/analyze/analyzers/result_handler_clang_tidy.py

@@ -3,6 +3,12 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Result handler for Clang Tidy.
+"""
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 from libcodechecker.analyze import tidy_output_converter
 from libcodechecker.analyze.analyzers.result_handler_base \

libcodechecker/analyze/ctu_manager.py

@@ -6,6 +6,9 @@
 """
 Arranges the 1st phase of 2 phase executions for CTU
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import glob
 import os

libcodechecker/analyze/gcc_toolchain.py

@@ -7,6 +7,9 @@
 """
 gcc-toolchain compilation option related helper functions.
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import os
 import re

libcodechecker/analyze/host_check.py

@@ -3,6 +3,12 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Check static analyzer and features on the host machine.
+"""
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import errno
 import subprocess

libcodechecker/analyze/log_parser.py

@@ -3,6 +3,14 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Parse the compile_commands.json file.
+Get compiler specific include paths targets.
+"""
+
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import json
 import os

libcodechecker/analyze/plist_parser.py

@@ -29,6 +29,9 @@
     for Clang versions before v3.7
 
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 from collections import defaultdict
 import math

libcodechecker/analyze/pre_analysis_manager.py

@@ -3,6 +3,12 @@
 #   This file is distributed under the University of Illinois Open Source
 #   License. See LICENSE.TXT for details.
 # -------------------------------------------------------------------------
+"""
+Run pre analysis, collect statistics or CTU data.
+"""
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import multiprocessing
 import os

libcodechecker/analyze/skiplist_handler.py

@@ -5,6 +5,9 @@
 # -------------------------------------------------------------------------
 """
 """
+from __future__ import print_function
+from __future__ import division
+from __future__ import absolute_import
 
 import fnmatch
 import re

libcodechecker/analyze/statistics_collector.py

@@ -8,6 +8,8 @@
 Calculates call statistics from analysis output
 """
 from __future__ import division
+from __future__ import print_function
+from __future__ import absolute_import
 
 from StringIO import StringIO
 from collections import defaultdict