futurize build/scripts

commit_hash:41fb885eb1e03094e65521671349e66f4225321b

31 files changed, 134 insertions, 138 deletions

diff --git a/build/scripts/build_catboost.py b/build/scripts/build_catboost.py
index 81d4e795a0..6455bb59bb 100755
--- a/build/scripts/build_catboost.py
+++ b/build/scripts/build_catboost.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 import os
 import shutil
@@ -45,7 +46,7 @@ class BuildCbBase(object):
 class BuildCb(BuildCbBase):
     def run(self, argv):
         if len(argv) < 5:
-            print >> sys.stderr, "BuildCb.Run(<ARCADIA_ROOT> <archiver> <mninfo> <mnname> <cppOutput> [params...])"
+            print("BuildCb.Run(<ARCADIA_ROOT> <archiver> <mninfo> <mnname> <cppOutput> [params...])", file=sys.stderr)
             sys.exit(1)
 
         self.SrcRoot = argv[0]
@@ -64,7 +65,7 @@ def build_cb_f(argv):
 
 if __name__ == '__main__':
     if len(sys.argv) < 2:
-        print >> sys.stderr, "Usage: build_cb.py <funcName> <args...>"
+        print("Usage: build_cb.py <funcName> <args...>", file=sys.stderr)
         sys.exit(1)
 
     if sys.argv[2:]:
diff --git a/build/scripts/clang_tidy.py b/build/scripts/clang_tidy.py
index bbb223b206..c7636b8bf2 100644
--- a/build/scripts/clang_tidy.py
+++ b/build/scripts/clang_tidy.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import argparse
 import json
 import os
diff --git a/build/scripts/collect_java_srcs.py b/build/scripts/collect_java_srcs.py
deleted file mode 100644
index f361f271d1..0000000000
--- a/build/scripts/collect_java_srcs.py
+++ /dev/null
@@ -1,51 +0,0 @@
-import os
-import sys
-import contextlib
-import tarfile
-import zipfile
-
-
-if __name__ == '__main__':
-    build_root = sys.argv[1]
-    root = os.path.normpath(sys.argv[2])
-    dest = os.path.normpath(sys.argv[3])
-    srcs = sys.argv[4:]
-
-    for src in srcs:
-        src = os.path.normpath(src)
-        if src.endswith('.java') or src.endswith('.kt'):
-            src_rel_path = os.path.relpath(src, root)
-
-            if os.path.join(root, src_rel_path) == src:
-                # Inside root
-                dst = os.path.join(dest, src_rel_path)
-
-            else:
-                # Outside root
-                print('External src file "{}" is outside of srcdir {}, ignore'.format(
-                    os.path.relpath(src, build_root),
-                    os.path.relpath(root, build_root),
-                )
-                continue
-
-            if os.path.exists(dst):
-                print >> sys.stderr, 'Duplicate external src file {}, choice is undefined'.format(
-                    os.path.relpath(dst, root)
-                )
-
-            else:
-                destdir = os.path.dirname(dst)
-                if destdir and not os.path.exists(destdir):
-                    os.makedirs(destdir)
-                os.rename(src, dst)
-
-        elif src.endswith('.jsr'):
-            with contextlib.closing(tarfile.open(src, 'r')) as tf:
-                tf.extractall(dst)
-
-        elif src.endswith('-sources.jar'):
-            with zipfile.ZipFile(src) as zf:
-                zf.extractall(dst)
-
-        else:
-            print >> sys.stderr, 'Unrecognized file type', os.path.relpath(src, build_root)
diff --git a/build/scripts/compile_cuda.py b/build/scripts/compile_cuda.py
index 9660300069..8e08d17ad2 100644
--- a/build/scripts/compile_cuda.py
+++ b/build/scripts/compile_cuda.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 import subprocess
 import os
@@ -60,7 +61,7 @@ def main():
 
     executable = command[0]
     if not os.path.exists(executable):
-        print >> sys.stderr, '{} not found'.format(executable)
+        print('{} not found'.format(executable), file=sys.stderr)
         sys.exit(1)
 
     if is_clang(command):
diff --git a/build/scripts/configure_file.py b/build/scripts/configure_file.py
index 5ab7467391..257593dc9b 100755
--- a/build/scripts/configure_file.py
+++ b/build/scripts/configure_file.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python2.7
 
+from __future__ import print_function
 import sys
 import os.path
 import re
diff --git a/build/scripts/coverage-info.py b/build/scripts/coverage-info.py
index ddc5f275f8..114e8f4b03 100644
--- a/build/scripts/coverage-info.py
+++ b/build/scripts/coverage-info.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import argparse
 import os
 import sys
@@ -72,12 +73,12 @@ def print_stat(da, fnda, teamcity_stat_output):
     func_total = len(fnda.values())
     func_coverage = 100.0 * func_hit / func_total if func_total else 0
 
-    print >> sys.stderr, '[[imp]]Lines[[rst]]     {: >16} {: >16} {: >16.1f}%'.format(
+    print('[[imp]]Lines[[rst]]     {: >16} {: >16} {: >16.1f}%'.format(
         lines_hit, lines_total, lines_coverage
-    )
-    print >> sys.stderr, '[[imp]]Functions[[rst]] {: >16} {: >16} {: >16.1f}%'.format(
+    ), file=sys.stderr)
+    print('[[imp]]Functions[[rst]] {: >16} {: >16} {: >16.1f}%'.format(
         func_hit, func_total, func_coverage
-    )
+    ), file=sys.stderr)
 
     if teamcity_stat_output:
         with open(teamcity_stat_output, 'w') as tc_file:
@@ -119,7 +120,7 @@ def combine_info_files(lcov, files, out_file):
         for trace in chunk:
             assert os.path.exists(trace), "Trace file does not exist: {} (cwd={})".format(trace, os.getcwd())
             combine_cmd += ["-a", os.path.abspath(trace)]
-        print >> sys.stderr, '## lcov', ' '.join(combine_cmd[1:])
+        print('## lcov', ' '.join(combine_cmd[1:]), file=sys.stderr)
         out_file_tmp = "combined.tmp"
         with open(out_file_tmp, "w") as stdout:
             subprocess.check_call(combine_cmd, stdout=stdout)
@@ -157,7 +158,7 @@ def update_stat_global(src_file, line, fnda, da):
 
 
 def gen_info_global(cmd, cov_info, probe_path, update_stat, lcov_args):
-    print >> sys.stderr, '## geninfo', ' '.join(cmd)
+    print('## geninfo', ' '.join(cmd), file=sys.stderr)
     subprocess.check_call(cmd)
     if recast(cov_info + '.tmp', cov_info, probe_path, update_stat):
         lcov_args.append(cov_info)
@@ -297,7 +298,7 @@ def main(
             output_dir,
             output_trace,
         ]
-        print >> sys.stderr, '## genhtml', ' '.join(cmd)
+        print('## genhtml', ' '.join(cmd), file=sys.stderr)
         subprocess.check_call(cmd)
         if lcov_cobertura:
             gen_cobertura(lcov_cobertura, gcov_report, output_trace)
diff --git a/build/scripts/create_jcoverage_report.py b/build/scripts/create_jcoverage_report.py
index f24827d8ae..0dd75bb0a8 100644
--- a/build/scripts/create_jcoverage_report.py
+++ b/build/scripts/create_jcoverage_report.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import argparse
 import tarfile
 import zipfile
@@ -77,12 +78,12 @@ def main(
                 else:
                     continue
 
-                entry.filename = entry.filename.encode('utf-8')
+                entry.filename = entry.filename
                 jf.extract(entry, dest)
     timer.step("Jar files extracted")
 
     if not agent_disposition:
-        print >> sys.stderr, 'Can\'t find jacoco agent. Will not generate html report for java coverage.'
+        print('Can\'t find jacoco agent. Will not generate html report for java coverage.', file=sys.stderr)
 
     if tar_output:
         report_dir = 'java.report.temp'
diff --git a/build/scripts/custom_link_green_mysql.py b/build/scripts/custom_link_green_mysql.py
index f754135b8f..1ebff0adf7 100644
--- a/build/scripts/custom_link_green_mysql.py
+++ b/build/scripts/custom_link_green_mysql.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import os
 import shutil
 import subprocess
@@ -91,7 +92,7 @@ def main():
         name = os.path.basename(sys.argv[0])
         command = ' '.join(args)
         message = '{name} failed: {error}\nCommand line: {command}'
-        print >> sys.stderr, message.format(**locals())
+        print(message.format(**locals()), file=sys.stderr)
 
 
 if __name__ == '__main__':
diff --git a/build/scripts/decimal_md5.py b/build/scripts/decimal_md5.py
index 684d39e767..2a125cca60 100644
--- a/build/scripts/decimal_md5.py
+++ b/build/scripts/decimal_md5.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from __future__ import print_function
 import hashlib
 import struct
 import sys
@@ -20,9 +21,9 @@ def ensure_paths_exist(paths):
         if not os.path.exists(path)
     )
     if bad_paths:
-        print >> sys.stderr, "decimal_md5 inputs do not exist:"
+        print("decimal_md5 inputs do not exist:", file=sys.stderr)
         for path in bad_paths:
-            print >> sys.stderr, path
+            print(path, file=sys.stderr)
         sys.exit(1)
 
 
diff --git a/build/scripts/error.py b/build/scripts/error.py
index 9911ee7cc1..0681e48679 100644
--- a/build/scripts/error.py
+++ b/build/scripts/error.py
@@ -63,14 +63,17 @@ def is_temporary_error(exc):
         logger.debug("Getaddrinfo exception: %s", exc)
         return True
 
-    import urllib2
+    try:
+        import urllib2
+        import httplib
+    except ImportError:
+        import urllib.request as urllib2
+        import http.client as httplib
 
     if isinstance(exc, urllib2.HTTPError) and exc.code in (429,):
         logger.debug("urllib2.HTTPError: %s", exc)
         return True
 
-    import httplib
-
     if isinstance(exc, httplib.IncompleteRead):
         logger.debug("IncompleteRead exception: %s", exc)
         return True
diff --git a/build/scripts/f2c.py b/build/scripts/f2c.py
index 878580e4d4..fc1c1d0f8a 100644
--- a/build/scripts/f2c.py
+++ b/build/scripts/f2c.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 import subprocess
 import argparse
@@ -49,11 +50,11 @@ if __name__ == '__main__':
     ret = p.wait()
 
     if ret:
-        print >> sys.stderr, 'f2c failed: %s, %s' % (stderr, ret)
+        print('f2c failed: %s, %s' % (stderr, ret), file=sys.stderr)
         sys.exit(ret)
 
     if 'Error' in stderr:
-        print >> sys.stderr, stderr
+        print(stderr, file=sys.stderr)
 
     with open(args.output, 'w') as f:
         f.write(header)
diff --git a/build/scripts/fetch_from.py b/build/scripts/fetch_from.py
index ca3e7b3684..bd27d75d8e 100755
--- a/build/scripts/fetch_from.py
+++ b/build/scripts/fetch_from.py
@@ -1,3 +1,5 @@
+from __future__ import print_function
+
 import datetime as dt
 import errno
 import hashlib
@@ -11,7 +13,15 @@ import socket
 import string
 import sys
 import tarfile
-import urllib2
+
+try:
+    # Python 2
+    import urllib2 as urllib_request
+    from urllib2 import HTTPError, URLError
+except (ImportError, ModuleNotFoundError):
+    # Python 3
+    import urllib.request as urllib_request
+    from urllib.error import HTTPError, URLError
 
 import retry
 
@@ -122,12 +132,12 @@ def setup_logging(args, base_name):
 
 def is_temporary(e):
     def is_broken(e):
-        return isinstance(e, urllib2.HTTPError) and e.code in (410, 404)
+        return isinstance(e, HTTPError) and e.code in (410, 404)
 
     if is_broken(e):
         return False
 
-    if isinstance(e, (BadChecksumFetchError, IncompleteFetchError, urllib2.URLError, socket.error)):
+    if isinstance(e, (BadChecksumFetchError, IncompleteFetchError, URLError, socket.error)):
         return True
 
     import error
@@ -147,7 +157,7 @@ def report_to_snowden(value):
             'value': json.dumps(value),
         }
 
-        urllib2.urlopen(
+        urllib_request.urlopen(
             'https://back-snowden.qloud.yandex-team.ru/report/add',
             json.dumps(
                 [
@@ -198,8 +208,8 @@ def git_like_hash_with_size(filepath):
             file_size += len(block)
             sha.update(block)
 
-    sha.update('\0')
-    sha.update(str(file_size))
+    sha.update(b'\0')
+    sha.update(str(file_size).encode('utf-8'))
 
     return sha.hexdigest(), file_size
 
@@ -213,9 +223,9 @@ def size_printer(display_name, size):
         now = dt.datetime.now()
         if last_stamp[0] + dt.timedelta(seconds=10) < now:
             if size:
-                print >> sys.stderr, "##status##{} - [[imp]]{:.1f}%[[rst]]".format(
+                print("##status##{} - [[imp]]{:.1f}%[[rst]]".format(
                     display_name, 100.0 * sz[0] / size if size else 0
-                )
+                ), file=sys.stderr)
             last_stamp[0] = now
 
     return printer
@@ -225,9 +235,9 @@ def fetch_url(url, unpack, resource_file_name, expected_md5=None, expected_sha1=
     logging.info('Downloading from url %s name %s and expected md5 %s', url, resource_file_name, expected_md5)
     tmp_file_name = uniq_string_generator()
 
-    request = urllib2.Request(url, headers={'User-Agent': make_user_agent()})
-    req = retry.retry_func(lambda: urllib2.urlopen(request, timeout=30), tries=tries, delay=5, backoff=1.57079)
-    logging.debug('Headers: %s', req.headers.headers)
+    request = urllib_request.Request(url, headers={'User-Agent': make_user_agent()})
+    req = retry.retry_func(lambda: urllib_request.urlopen(request, timeout=30), tries=tries, delay=5, backoff=1.57079)
+    logging.debug('Headers: %s', req.headers)
     expected_file_size = int(req.headers.get('Content-Length', 0))
     real_md5 = hashlib.md5()
     real_sha1 = hashlib.sha1()
@@ -244,8 +254,8 @@ def fetch_url(url, unpack, resource_file_name, expected_md5=None, expected_sha1=
 
     real_md5 = real_md5.hexdigest()
     real_file_size = os.path.getsize(tmp_file_name)
-    real_sha1.update('\0')
-    real_sha1.update(str(real_file_size))
+    real_sha1.update(b'\0')
+    real_sha1.update(str(real_file_size).encode('utf-8'))
     real_sha1 = real_sha1.hexdigest()
 
     if unpack:
diff --git a/build/scripts/fetch_from_archive.py b/build/scripts/fetch_from_archive.py
index e7bbe23362..3214b78dc8 100644
--- a/build/scripts/fetch_from_archive.py
+++ b/build/scripts/fetch_from_archive.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import os
 import sys
 import logging
@@ -30,7 +31,7 @@ if __name__ == '__main__':
         main(args)
     except Exception as e:
         logging.exception(e)
-        print >> sys.stderr, open(args.abs_log_path).read()
+        print(open(args.abs_log_path).read(), file=sys.stderr)
         sys.stderr.flush()
 
         import error
diff --git a/build/scripts/fetch_from_mds.py b/build/scripts/fetch_from_mds.py
index 3fd264ebb1..559cf8350d 100644
--- a/build/scripts/fetch_from_mds.py
+++ b/build/scripts/fetch_from_mds.py
@@ -1,3 +1,6 @@
+from __future__ import print_function
+from __future__ import print_function
+
 import os
 import sys
 import logging
@@ -43,7 +46,7 @@ if __name__ == '__main__':
         main(args)
     except Exception as e:
         logging.exception(e)
-        print >> sys.stderr, open(args.abs_log_path).read()
+        print(open(args.abs_log_path).read(), file=sys.stderr)
         sys.stderr.flush()
 
         import error
diff --git a/build/scripts/fetch_from_npm.py b/build/scripts/fetch_from_npm.py
index 3941b59d43..d8f0c41f26 100644
--- a/build/scripts/fetch_from_npm.py
+++ b/build/scripts/fetch_from_npm.py
@@ -1,3 +1,5 @@
+from __future__ import print_function
+from future.utils import raise_
 import os
 import sys
 import time
@@ -66,7 +68,7 @@ def fetch(tarball_url, sky_id, integrity, integrity_algorithm, file_name, tries=
             time.sleep(i)
 
     if exc_info:
-        raise exc_info[0], exc_info[1], exc_info[2]
+        raise_(exc_info[0], exc_info[1], exc_info[2])
 
     return fetched_file
 
@@ -104,7 +106,7 @@ if __name__ == "__main__":
         main(args)
     except Exception as e:
         logging.exception(e)
-        print >>sys.stderr, open(args.abs_log_path).read()
+        print(open(args.abs_log_path).read(), file=sys.stderr)
         sys.stderr.flush()
 
         import error
diff --git a/build/scripts/fetch_from_sandbox.py b/build/scripts/fetch_from_sandbox.py
index 6af180b4b0..a8f0fc5997 100755
--- a/build/scripts/fetch_from_sandbox.py
+++ b/build/scripts/fetch_from_sandbox.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import itertools
 import json
 import logging
@@ -210,7 +211,10 @@ def fetch(resource_id, custom_fetcher):
             time.sleep(i)
     else:
         if exc_info:
-            raise exc_info[0], exc_info[1], exc_info[2]
+            if sys.version_info[0] == 2:
+                raise exc_info[0], exc_info[1], exc_info[2]
+            else:
+                raise exc_info[1].with_traceback(exc_info[2])
         else:
             raise Exception("No available protocol and/or server to fetch resource")
 
@@ -265,7 +269,7 @@ if __name__ == '__main__':
         main(args)
     except Exception as e:
         logging.exception(e)
-        print >>sys.stderr, open(args.abs_log_path).read()
+        print(open(args.abs_log_path).read(), file=sys.stderr)
         sys.stderr.flush()
 
         import error
diff --git a/build/scripts/gen_java_codenav_entry.py b/build/scripts/gen_java_codenav_entry.py
index 2959dc4843..0429fc5398 100644
--- a/build/scripts/gen_java_codenav_entry.py
+++ b/build/scripts/gen_java_codenav_entry.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import argparse
 import datetime
 import os
@@ -20,23 +21,23 @@ def just_do_it(java, kythe, kythe_to_proto, out_name, binding_only, kindexes):
     open(temp_out_name, 'w').close()
     start = datetime.datetime.now()
     for kindex in kindex_inputs:
-        print >> sys.stderr, '[INFO] Processing:', kindex
+        print('[INFO] Processing:', kindex, file=sys.stderr)
         indexer_start = datetime.datetime.now()
         p = subprocess.Popen(
             [java, '-jar', os.path.join(kythe, 'indexers/java_indexer.jar'), kindex], stdout=subprocess.PIPE
         )
         indexer_out, _ = p.communicate()
-        print >> sys.stderr, '[INFO] Indexer execution time:', (
+        print('[INFO] Indexer execution time:', (
             datetime.datetime.now() - indexer_start
-        ).total_seconds(), 'seconds'
+        ).total_seconds(), 'seconds', file=sys.stderr)
         if p.returncode:
             raise Exception('java_indexer failed with exit code {}'.format(p.returncode))
         dedup_start = datetime.datetime.now()
         p = subprocess.Popen([os.path.join(kythe, 'tools/dedup_stream')], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
         dedup_out, _ = p.communicate(indexer_out)
-        print >> sys.stderr, '[INFO] Dedup execution time:', (
+        print('[INFO] Dedup execution time:', (
             datetime.datetime.now() - dedup_start
-        ).total_seconds(), 'seconds'
+        ).total_seconds(), 'seconds', file=sys.stderr)
         if p.returncode:
             raise Exception('dedup_stream failed with exit code {}'.format(p.returncode))
         entrystream_start = datetime.datetime.now()
@@ -48,18 +49,18 @@ def just_do_it(java, kythe, kythe_to_proto, out_name, binding_only, kindexes):
         p.communicate(dedup_out)
         if p.returncode:
             raise Exception('entrystream failed with exit code {}'.format(p.returncode))
-        print >> sys.stderr, '[INFO] Entrystream execution time:', (
+        print('[INFO] Entrystream execution time:', (
             datetime.datetime.now() - entrystream_start
-        ).total_seconds(), 'seconds'
+        ).total_seconds(), 'seconds', file=sys.stderr)
     preprocess_start = datetime.datetime.now()
     subprocess.check_call(
         [kythe_to_proto, '--preprocess-entry', '--entries', temp_out_name, '--out', out_name]
         + (['--only-binding-data'] if binding_only else [])
     )
-    print >> sys.stderr, '[INFO] Preprocessing execution time:', (
+    print('[INFO] Preprocessing execution time:', (
         datetime.datetime.now() - preprocess_start
-    ).total_seconds(), 'seconds'
-    print >> sys.stderr, '[INFO] Total execution time:', (datetime.datetime.now() - start).total_seconds(), 'seconds'
+    ).total_seconds(), 'seconds', file=sys.stderr)
+    print('[INFO] Total execution time:', (datetime.datetime.now() - start).total_seconds(), 'seconds', file=sys.stderr)
 
 
 if __name__ == '__main__':
diff --git a/build/scripts/gen_py3_reg.py b/build/scripts/gen_py3_reg.py
index ff6bf0de56..ee6c6baf9b 100644
--- a/build/scripts/gen_py3_reg.py
+++ b/build/scripts/gen_py3_reg.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 
 template = '''
@@ -24,8 +25,8 @@ def mangle(name):
 
 if __name__ == '__main__':
     if len(sys.argv) != 3:
-        print >> sys.stderr, 'Usage: <path/to/gen_py_reg.py> <python_module_name> <output_file>'
-        print >> sys.stderr, 'Passed: ' + ' '.join(sys.argv)
+        print('Usage: <path/to/gen_py_reg.py> <python_module_name> <output_file>', file=sys.stderr)
+        print('Passed: ' + ' '.join(sys.argv), file=sys.stderr)
         sys.exit(1)
 
     with open(sys.argv[2], 'w') as f:
diff --git a/build/scripts/gen_py_reg.py b/build/scripts/gen_py_reg.py
index 0f38dfffe3..be52418964 100644
--- a/build/scripts/gen_py_reg.py
+++ b/build/scripts/gen_py_reg.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 
 template = '''
@@ -22,8 +23,8 @@ def mangle(name):
 
 if __name__ == '__main__':
     if len(sys.argv) != 3:
-        print >> sys.stderr, 'Usage: <path/to/gen_py_reg.py> <python_module_name> <output_file>'
-        print >> sys.stderr, 'Passed: ' + ' '.join(sys.argv)
+        print('Usage: <path/to/gen_py_reg.py> <python_module_name> <output_file>', file=sys.stderr)
+        print('Passed: ' + ' '.join(sys.argv), file=sys.stderr)
         sys.exit(1)
 
     with open(sys.argv[2], 'w') as f:
diff --git a/build/scripts/ios_wrapper.py b/build/scripts/ios_wrapper.py
index eeb0a78d26..f8bdcce0a2 100644
--- a/build/scripts/ios_wrapper.py
+++ b/build/scripts/ios_wrapper.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import errno
 import json
 import os
@@ -49,13 +50,13 @@ def just_do_it(args):
         elif i.endswith('.strings_tar'):
             strings.append(i)
         else:
-            print >> sys.stderr, 'Unknown input:', i, 'ignoring'
+            print('Unknown input:', i, 'ignoring', file=sys.stderr)
     if not plists:
         raise Exception("Can't find plist files")
     if not plists[0].endswith('.plist'):
-        print >> sys.stderr, "Main plist file can be defined incorretly"
+        print("Main plist file can be defined incorretly", file=sys.stderr)
     if not storyboards:
-        print >> sys.stderr, "Storyboards list are empty"
+        print("Storyboards list are empty", file=sys.stderr)
     if len(signs) > 1:
         raise Exception("Too many .xcent files")
     app_dir = os.path.join(module_dir, app_name + '.app')
diff --git a/build/scripts/link_dyn_lib.py b/build/scripts/link_dyn_lib.py
index 72937544b6..3e62f4c407 100644
--- a/build/scripts/link_dyn_lib.py
+++ b/build/scripts/link_dyn_lib.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 import os
 import subprocess
@@ -264,8 +265,8 @@ if __name__ == '__main__':
     thinlto_cache.postprocess(opts)
 
     if proc.returncode:
-        print >> sys.stderr, 'linker has failed with retcode:', proc.returncode
-        print >> sys.stderr, 'linker command:', shlex_join(cmd)
+        print('linker has failed with retcode:', proc.returncode, file=sys.stderr)
+        print('linker command:', shlex_join(cmd), file=sys.stderr)
         sys.exit(proc.returncode)
 
     if opts.fix_elf:
@@ -274,8 +275,8 @@ if __name__ == '__main__':
         proc.communicate()
 
         if proc.returncode:
-            print >> sys.stderr, 'fix_elf has failed with retcode:', proc.returncode
-            print >> sys.stderr, 'fix_elf command:', shlex_join(cmd)
+            print('fix_elf has failed with retcode:', proc.returncode, file=sys.stderr)
+            print('fix_elf command:', shlex_join(cmd), file=sys.stderr)
             sys.exit(proc.returncode)
 
     if opts.soname and opts.soname != opts.target:
diff --git a/build/scripts/list.py b/build/scripts/list.py
index 7c3b2ae695..5c8390c52c 100644
--- a/build/scripts/list.py
+++ b/build/scripts/list.py
@@ -1,4 +1,5 @@
-import sys

-

-if __name__ == "__main__":

-    print(' '.join(sys.argv[1:]))

+from __future__ import print_function
+import sys
+
+if __name__ == "__main__":
+    print(' '.join(sys.argv[1:]))
diff --git a/build/scripts/mkver.py b/build/scripts/mkver.py
index 7bdbb88514..2101032770 100755
--- a/build/scripts/mkver.py
+++ b/build/scripts/mkver.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 
 if __name__ == '__main__':
diff --git a/build/scripts/pack_ios.py b/build/scripts/pack_ios.py
index 350220be7b..3ecd18f188 100644
--- a/build/scripts/pack_ios.py
+++ b/build/scripts/pack_ios.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import argparse
 import os
 import shutil
@@ -15,7 +16,7 @@ def just_do_it():
     args = parser.parse_args()
     app_tar = [p for p in args.peers if p.endswith('.ios.interface')]
     if not app_tar:
-        print >> sys.stderr, 'No one IOS_INTERFACE module found'
+        print('No one IOS_INTERFACE module found', file=sys.stderr)
         shutil.copyfile(args.binary, os.path.join(args.temp_dir, 'bin'))
         if os.path.exists(args.target):
             os.remove(args.target)
@@ -27,7 +28,7 @@ def just_do_it():
     if len(app_tar) > 1:
         app_tar = [p for p in args.peers if not p.endswith('.default.ios.interface')]
     if len(app_tar) > 1:
-        print >> sys.stderr, 'Many IOS_INTERFACE modules found, {} will be used'.format(app_tar[-1])
+        print('Many IOS_INTERFACE modules found, {} will be used'.format(app_tar[-1]), file=sys.stderr)
     app_tar = app_tar[-1]
     with tarfile.open(app_tar) as tf:
         tf.extractall(args.temp_dir)
diff --git a/build/scripts/pack_jcoverage_resources.py b/build/scripts/pack_jcoverage_resources.py
index 5881d90153..6ed3b1320d 100644
--- a/build/scripts/pack_jcoverage_resources.py
+++ b/build/scripts/pack_jcoverage_resources.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 import tarfile
 import os
@@ -11,7 +12,7 @@ def main(args):
     res = subprocess.call(args[args.index('-end') + 1 :])
 
     if not os.path.exists(report_file):
-        print >> sys.stderr, 'Can\'t find jacoco exec file'
+        print('Can\'t find jacoco exec file', file=sys.stderr)
         return res
 
     with tarfile.open(output_file, 'w') as outf:
diff --git a/build/scripts/python_yndexer.py b/build/scripts/python_yndexer.py
index 3180665387..276ed20a27 100644
--- a/build/scripts/python_yndexer.py
+++ b/build/scripts/python_yndexer.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import os
 import sys
 import threading
@@ -49,5 +50,5 @@ if __name__ == '__main__':
     result = process.wait(timeout=timeout)
 
     if result != 0:
-        print >> sys.stderr, 'Yndexing process finished with code', result
+        print('Yndexing process finished with code', result, file=sys.stderr)
         touch(output_file)
diff --git a/build/scripts/run_ios_simulator.py b/build/scripts/run_ios_simulator.py
index b69ef81ccb..576ef9cee3 100644
--- a/build/scripts/run_ios_simulator.py
+++ b/build/scripts/run_ios_simulator.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import argparse
 import json
 import os
@@ -55,7 +56,7 @@ def action_spawn(simctl, profiles, device_dir, name, args):
 def action_kill(simctl, profiles, device_dir, name):
     device = filter(lambda x: x["name"] == name, get_all_devices(simctl, profiles, device_dir))
     if not device:
-        print >> sys.stderr, "Device named {} not found; do nothing".format(name)
+        print("Device named {} not found; do nothing".format(name), file=sys.stderr)
         return
     if len(device) > 1:
         raise Exception("Can't remove: too many devices named {}:\n{}".format(name, '\n'.join(i for i in device)))
diff --git a/build/scripts/run_msvc_wine.py b/build/scripts/run_msvc_wine.py
index 38ffa1ffb0..3a498d7388 100644
--- a/build/scripts/run_msvc_wine.py
+++ b/build/scripts/run_msvc_wine.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 import os
 import re
@@ -41,7 +42,7 @@ def run_subprocess_with_timeout(timeout, args):
             stdout, stderr = p.communicate(timeout=timeout)
             return p, stdout, stderr
         except subprocess.TimeoutExpired as e:
-            print >> sys.stderr, 'timeout running {0}, error {1}, delay {2} seconds'.format(args, str(e), delay)
+            print('timeout running {0}, error {1}, delay {2} seconds'.format(args, str(e), delay), file=sys.stderr)
             if p is not None:
                 try:
                     p.kill()
@@ -93,7 +94,7 @@ def call_wine_cmd_once(wine, cmd, env, mode):
             error = e
 
     if error is not None:
-        print >> sys.stderr, 'Output {} already exists and we have failed to remove it: {}'.format(output, error)
+        print('Output {} already exists and we have failed to remove it: {}'.format(output, error), file=sys.stderr)
 
     # print >>sys.stderr, cmd, env, wine
 
@@ -164,7 +165,7 @@ def call_wine_cmd_once(wine, cmd, env, mode):
     stdout_and_stderr = '\n'.join(filter_lines()).strip()
 
     if stdout_and_stderr:
-        print >> sys.stderr, stdout_and_stderr
+        print(stdout_and_stderr, file=sys.stderr)
 
     return return_code
 
@@ -175,7 +176,7 @@ def prepare_vc(fr, to):
         to_p = os.path.join(to, p)
 
         if not os.path.exists(to_p):
-            print >> sys.stderr, 'install %s -> %s' % (fr_p, to_p)
+            print('install %s -> %s' % (fr_p, to_p), file=sys.stderr)
 
             os.link(fr_p, to_p)
 
@@ -196,7 +197,7 @@ def run_slave():
         try:
             return call_wine_cmd_once([wine], args['cmd'], args['env'], args['mode'])
         except Exception as e:
-            print >> sys.stderr, '%s, will retry in %s' % (str(e), tout)
+            print('%s, will retry in %s' % (str(e), tout), file=sys.stderr)
 
             time.sleep(tout)
             tout = min(2 * tout, 4)
@@ -508,7 +509,7 @@ def run_main():
             return
         if mode == 'cxx':
             log = colorize(log)
-        print >> sys.stderr, log
+        print(log, file=sys.stderr)
 
     tout = 200
 
@@ -517,26 +518,26 @@ def run_main():
 
         if rc in (-signal.SIGALRM, signal.SIGALRM):
             print_err_log(out)
-            print >> sys.stderr, '##append_tag##time out'
+            print('##append_tag##time out', file=sys.stderr)
         elif out and ' stack overflow ' in out:
-            print >> sys.stderr, '##append_tag##stack overflow'
+            print('##append_tag##stack overflow', file=sys.stderr)
         elif out and 'recvmsg: Connection reset by peer' in out:
-            print >> sys.stderr, '##append_tag##wine gone'
+            print('##append_tag##wine gone', file=sys.stderr)
         elif out and 'D8037' in out:
-            print >> sys.stderr, '##append_tag##repair wine'
+            print('##append_tag##repair wine', file=sys.stderr)
 
             try:
                 os.unlink(os.path.join(os.environ['WINEPREFIX'], '.update-timestamp'))
             except Exception as e:
-                print >> sys.stderr, e
+                print(e, file=sys.stderr)
 
         else:
             print_err_log(out)
 
             # non-zero return code - bad, return it immediately
             if rc:
-                print >> sys.stderr, '##win_cmd##' + ' '.join(cmd)
-                print >> sys.stderr, '##args##' + ' '.join(free_args)
+                print('##win_cmd##' + ' '.join(cmd), file=sys.stderr)
+                print('##args##' + ' '.join(free_args), file=sys.stderr)
                 return rc
 
             # check for output existence(if we expect it!) and real length
@@ -545,7 +546,7 @@ def run_main():
                     return 0
                 else:
                     # retry!
-                    print >> sys.stderr, '##append_tag##no output'
+                    print('##append_tag##no output', file=sys.stderr)
             else:
                 return 0
 
@@ -575,7 +576,7 @@ def main():
     except KeyboardInterrupt:
         sys.exit(4)
     except Exception as e:
-        print >> sys.stderr, str(e)
+        print(str(e), file=sys.stderr)
 
         sys.exit(3)
 
diff --git a/build/scripts/symlink.py b/build/scripts/symlink.py
index 9636bf3929..a19891df40 100755
--- a/build/scripts/symlink.py
+++ b/build/scripts/symlink.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+from __future__ import print_function
 import sys
 import os
 import platform
@@ -8,7 +9,7 @@ from subprocess import call
 
 def symlink():
     if len(sys.argv) < 3:
-        print >> sys.stderr, "Usage: symlink.py <source> <target>"
+        print("Usage: symlink.py <source> <target>", file=sys.stderr)
         sys.exit(1)
 
     source = sys.argv[1]
diff --git a/build/scripts/with_crash_on_timeout.py b/build/scripts/with_crash_on_timeout.py
index bde864ed29..915ed51c51 100644
--- a/build/scripts/with_crash_on_timeout.py
+++ b/build/scripts/with_crash_on_timeout.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 # TODO prettyboy remove after ya-bin release
 
 import os
@@ -13,7 +14,7 @@ def main(args):
     with open(meta_path) as f:
         meta_info = json.loads(f.read())
         if meta_info["exit_code"] == timeout_code:
-            print >> sys.stderr, meta_info["project"], 'crashed by timeout, use --test-disable-timeout option'
+            print(meta_info["project"], 'crashed by timeout, use --test-disable-timeout option', file=sys.stderr)
             return 1
     return 0
 
diff --git a/build/scripts/yndexer.py b/build/scripts/yndexer.py
index c8127de711..4e766e0fc8 100644
--- a/build/scripts/yndexer.py
+++ b/build/scripts/yndexer.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import sys
 import subprocess
 import threading
@@ -86,5 +87,5 @@ if __name__ == '__main__':
     result = process.wait(timeout=timeout)
 
     if result != 0:
-        print >> sys.stderr, 'Yndexing process finished with code', result
+        print('Yndexing process finished with code', result, file=sys.stderr)
         touch(output_file)