Restoring authorship annotation for <akastornov@yandex-team.ru>. Commit 2 of 2.

32 files changed, 882 insertions, 882 deletions

diff --git a/build/plugins/java.py b/build/plugins/java.py
index 309d98bc9d..16fc126734 100644
--- a/build/plugins/java.py
+++ b/build/plugins/java.py
@@ -1,43 +1,43 @@
-import _common as common 
+import _common as common
 import ymake
-import json 
+import json
 import os
-import base64 
- 
- 
-DELIM = '================================' 
- 
- 
-def split_args(s):  # TODO quotes, escapes 
-    return filter(None, s.split()) 
- 
- 
-def extract_macro_calls(unit, macro_value_name, macro_calls_delim): 
-    if not unit.get(macro_value_name): 
-        return [] 
- 
-    return filter(None, map(split_args, unit.get(macro_value_name).replace('$' + macro_value_name, '').split(macro_calls_delim))) 
- 
- 
-def extract_macro_calls2(unit, macro_value_name): 
-    if not unit.get(macro_value_name): 
-        return [] 
- 
-    calls = [] 
-    for call_encoded_args in unit.get(macro_value_name).strip().split(): 
-        call_args = json.loads(base64.b64decode(call_encoded_args), encoding='utf-8') 
-        calls.append(call_args) 
- 
-    return calls 
- 
- 
+import base64
+
+
+DELIM = '================================'
+
+
+def split_args(s):  # TODO quotes, escapes
+    return filter(None, s.split())
+
+
+def extract_macro_calls(unit, macro_value_name, macro_calls_delim):
+    if not unit.get(macro_value_name):
+        return []
+
+    return filter(None, map(split_args, unit.get(macro_value_name).replace('$' + macro_value_name, '').split(macro_calls_delim)))
+
+
+def extract_macro_calls2(unit, macro_value_name):
+    if not unit.get(macro_value_name):
+        return []
+
+    calls = []
+    for call_encoded_args in unit.get(macro_value_name).strip().split():
+        call_args = json.loads(base64.b64decode(call_encoded_args), encoding='utf-8')
+        calls.append(call_args)
+
+    return calls
+
+
 def on_run_jbuild_program(unit, *args):
     args = list(args)
     """
     Custom code generation
     @link: https://wiki.yandex-team.ru/yatool/java/#kodogeneracijarunjavaprogram
     """
- 
+
     flat, kv = common.sort_by_keywords({'IN': -1, 'IN_DIR': -1, 'OUT': -1, 'OUT_DIR': -1, 'CWD': 1, 'CLASSPATH': -1, 'CP_USE_COMMAND_FILE': 1, 'ADD_SRCS_TO_CLASSPATH': 0}, args)
     depends = kv.get('CLASSPATH', []) + kv.get('JAR', [])
     fake_out = None
@@ -45,18 +45,18 @@ def on_run_jbuild_program(unit, *args):
         # XXX: hack to force ymake to build dependencies
         fake_out = "fake.out.{}".format(hash(tuple(args)))
         unit.on_run_java(['TOOL'] + depends + ["OUT", fake_out])
- 
+
     if not kv.get('CP_USE_COMMAND_FILE'):
        args += ['CP_USE_COMMAND_FILE', unit.get(['JAVA_PROGRAM_CP_USE_COMMAND_FILE']) or 'yes']
 
     if fake_out is not None:
         args += ['FAKE_OUT', fake_out]
 
-    prev = unit.get(['RUN_JAVA_PROGRAM_VALUE']) or '' 
-    new_val = (prev + ' ' + base64.b64encode(json.dumps(list(args), encoding='utf-8'))).strip() 
-    unit.set(['RUN_JAVA_PROGRAM_VALUE', new_val]) 
- 
- 
+    prev = unit.get(['RUN_JAVA_PROGRAM_VALUE']) or ''
+    new_val = (prev + ' ' + base64.b64encode(json.dumps(list(args), encoding='utf-8'))).strip()
+    unit.set(['RUN_JAVA_PROGRAM_VALUE', new_val])
+
+
 def ongenerate_script(unit, *args):
     """
     heretic@ promised to make tutorial here
@@ -74,48 +74,48 @@ def ongenerate_script(unit, *args):
     unit.set(['GENERATE_SCRIPT_VALUE', new_val])
 
 
-def onjava_module(unit, *args): 
-    args_delim = unit.get('ARGS_DELIM') 
+def onjava_module(unit, *args):
+    args_delim = unit.get('ARGS_DELIM')
     idea_only = True if 'IDEA_ONLY' in args else False
- 
+
     if idea_only:
         if unit.get('YA_IDE_IDEA') != 'yes':
             return
         if unit.get('YMAKE_JAVA_MODULES') != 'yes':
             return
 
-    data = { 
+    data = {
         'BUNDLE_NAME': unit.name(),
-        'PATH': unit.path(), 
+        'PATH': unit.path(),
         'IDEA_ONLY': 'yes' if idea_only else 'no',
-        'MODULE_TYPE': unit.get('MODULE_TYPE'), 
-        'MODULE_ARGS': unit.get('MODULE_ARGS'), 
+        'MODULE_TYPE': unit.get('MODULE_TYPE'),
+        'MODULE_ARGS': unit.get('MODULE_ARGS'),
         'MANAGED_PEERS': '${MANAGED_PEERS}',
         'MANAGED_PEERS_CLOSURE': '${MANAGED_PEERS_CLOSURE}',
         'NON_NAMAGEABLE_PEERS': '${NON_NAMAGEABLE_PEERS}',
         'TEST_CLASSPATH_MANAGED': '${TEST_CLASSPATH_MANAGED}',
-        'EXCLUDE': extract_macro_calls(unit, 'EXCLUDE_VALUE', args_delim), 
-        'JAVA_SRCS': extract_macro_calls(unit, 'JAVA_SRCS_VALUE', args_delim), 
-        'JAVAC_FLAGS': extract_macro_calls(unit, 'JAVAC_FLAGS_VALUE', args_delim), 
-        'ANNOTATION_PROCESSOR': extract_macro_calls(unit, 'ANNOTATION_PROCESSOR_VALUE', args_delim), 
-        'EXTERNAL_JAR': extract_macro_calls(unit, 'EXTERNAL_JAR_VALUE', args_delim), 
-        'RUN_JAVA_PROGRAM': extract_macro_calls2(unit, 'RUN_JAVA_PROGRAM_VALUE'), 
+        'EXCLUDE': extract_macro_calls(unit, 'EXCLUDE_VALUE', args_delim),
+        'JAVA_SRCS': extract_macro_calls(unit, 'JAVA_SRCS_VALUE', args_delim),
+        'JAVAC_FLAGS': extract_macro_calls(unit, 'JAVAC_FLAGS_VALUE', args_delim),
+        'ANNOTATION_PROCESSOR': extract_macro_calls(unit, 'ANNOTATION_PROCESSOR_VALUE', args_delim),
+        'EXTERNAL_JAR': extract_macro_calls(unit, 'EXTERNAL_JAR_VALUE', args_delim),
+        'RUN_JAVA_PROGRAM': extract_macro_calls2(unit, 'RUN_JAVA_PROGRAM_VALUE'),
         'RUN_JAVA_PROGRAM_MANAGED': '${RUN_JAVA_PROGRAM_MANAGED}',
         'MAVEN_GROUP_ID': extract_macro_calls(unit, 'MAVEN_GROUP_ID_VALUE', args_delim),
         'JAR_INCLUDE_FILTER': extract_macro_calls(unit, 'JAR_INCLUDE_FILTER_VALUE', args_delim),
         'JAR_EXCLUDE_FILTER': extract_macro_calls(unit, 'JAR_EXCLUDE_FILTER_VALUE', args_delim),
- 
-        # TODO remove when java test dart is in prod 
-        'UNITTEST_DIR': unit.get('UNITTEST_DIR'), 
-        'SYSTEM_PROPERTIES': extract_macro_calls(unit, 'SYSTEM_PROPERTIES_VALUE', args_delim), 
-        'JVM_ARGS': extract_macro_calls(unit, 'JVM_ARGS_VALUE', args_delim), 
-        'TEST_CWD': extract_macro_calls(unit, 'TEST_CWD_VALUE', args_delim), 
-        'TEST_DATA': extract_macro_calls(unit, '__test_data', args_delim), 
-        'TEST_FORK_MODE': extract_macro_calls(unit, 'TEST_FORK_MODE', args_delim), 
-        'SPLIT_FACTOR': extract_macro_calls(unit, 'TEST_SPLIT_FACTOR', args_delim), 
-        'TIMEOUT': extract_macro_calls(unit, 'TEST_TIMEOUT', args_delim), 
-        'TAG': extract_macro_calls(unit, 'TEST_TAGS_VALUE', args_delim), 
-        'SIZE': extract_macro_calls(unit, 'TEST_SIZE_NAME', args_delim), 
+
+        # TODO remove when java test dart is in prod
+        'UNITTEST_DIR': unit.get('UNITTEST_DIR'),
+        'SYSTEM_PROPERTIES': extract_macro_calls(unit, 'SYSTEM_PROPERTIES_VALUE', args_delim),
+        'JVM_ARGS': extract_macro_calls(unit, 'JVM_ARGS_VALUE', args_delim),
+        'TEST_CWD': extract_macro_calls(unit, 'TEST_CWD_VALUE', args_delim),
+        'TEST_DATA': extract_macro_calls(unit, '__test_data', args_delim),
+        'TEST_FORK_MODE': extract_macro_calls(unit, 'TEST_FORK_MODE', args_delim),
+        'SPLIT_FACTOR': extract_macro_calls(unit, 'TEST_SPLIT_FACTOR', args_delim),
+        'TIMEOUT': extract_macro_calls(unit, 'TEST_TIMEOUT', args_delim),
+        'TAG': extract_macro_calls(unit, 'TEST_TAGS_VALUE', args_delim),
+        'SIZE': extract_macro_calls(unit, 'TEST_SIZE_NAME', args_delim),
         'DEPENDS': extract_macro_calls(unit, 'TEST_DEPENDS_VALUE', args_delim),
         'IDEA_EXCLUDE': extract_macro_calls(unit, 'IDEA_EXCLUDE_DIRS_VALUE', args_delim),
         'IDEA_RESOURCE': extract_macro_calls(unit, 'IDEA_RESOURCE_DIRS_VALUE', args_delim),
@@ -125,17 +125,17 @@ def onjava_module(unit, *args):
         'TEST_DATA': extract_macro_calls(unit, 'TEST_DATA_VALUE', args_delim),
         'JAVA_FORBIDDEN_LIBRARIES': extract_macro_calls(unit, 'JAVA_FORBIDDEN_LIBRARIES_VALUE', args_delim),
         'JDK_RESOURCE': 'JDK' + (unit.get('JDK_VERSION') or '_DEFAULT')
-    } 
+    }
     if unit.get('ENABLE_PREVIEW_VALUE') == 'yes' and unit.get('JDK_VERSION') in ('15', '16', '17'):
         data['ENABLE_PREVIEW'] = extract_macro_calls(unit, 'ENABLE_PREVIEW_VALUE', args_delim)
 
     if unit.get('SAVE_JAVAC_GENERATED_SRCS_DIR') and unit.get('SAVE_JAVAC_GENERATED_SRCS_TAR'):
         data['SAVE_JAVAC_GENERATED_SRCS_DIR'] = extract_macro_calls(unit, 'SAVE_JAVAC_GENERATED_SRCS_DIR', args_delim)
         data['SAVE_JAVAC_GENERATED_SRCS_TAR'] = extract_macro_calls(unit, 'SAVE_JAVAC_GENERATED_SRCS_TAR', args_delim)
- 
+
     if unit.get('JAVA_ADD_DLLS_VALUE') == 'yes':
         data['ADD_DLLS_FROM_DEPENDS'] = extract_macro_calls(unit, 'JAVA_ADD_DLLS_VALUE', args_delim)
- 
+
     if unit.get('ERROR_PRONE_VALUE') == 'yes':
         data['ERROR_PRONE'] = extract_macro_calls(unit, 'ERROR_PRONE_VALUE', args_delim)
 
@@ -189,36 +189,36 @@ def onjava_module(unit, *args):
         if macro_str and macro_str == 'yes':
             data['VCS_INFO_DISABLE_CACHE__NO_UID__'] = macro_val
 
-    for java_srcs_args in data['JAVA_SRCS']: 
-        external = None 
- 
-        for i in xrange(len(java_srcs_args)): 
-            arg = java_srcs_args[i] 
- 
-            if arg == 'EXTERNAL': 
-                if not i + 1 < len(java_srcs_args): 
-                    continue  # TODO configure error 
- 
-                ex = java_srcs_args[i + 1] 
- 
-                if ex in ('EXTERNAL', 'SRCDIR', 'PACKAGE_PREFIX', 'EXCLUDE'): 
-                    continue  # TODO configure error 
- 
-                if external is not None: 
-                    continue  # TODO configure error 
- 
-                external = ex 
- 
-        if external: 
-            unit.onpeerdir(external) 
- 
-    for k, v in data.items(): 
-        if not v: 
-            data.pop(k) 
- 
-    dart = 'JAVA_DART: ' + base64.b64encode(json.dumps(data)) + '\n' + DELIM + '\n' 
- 
-    unit.set_property(['JAVA_DART_DATA', dart]) 
+    for java_srcs_args in data['JAVA_SRCS']:
+        external = None
+
+        for i in xrange(len(java_srcs_args)):
+            arg = java_srcs_args[i]
+
+            if arg == 'EXTERNAL':
+                if not i + 1 < len(java_srcs_args):
+                    continue  # TODO configure error
+
+                ex = java_srcs_args[i + 1]
+
+                if ex in ('EXTERNAL', 'SRCDIR', 'PACKAGE_PREFIX', 'EXCLUDE'):
+                    continue  # TODO configure error
+
+                if external is not None:
+                    continue  # TODO configure error
+
+                external = ex
+
+        if external:
+            unit.onpeerdir(external)
+
+    for k, v in data.items():
+        if not v:
+            data.pop(k)
+
+    dart = 'JAVA_DART: ' + base64.b64encode(json.dumps(data)) + '\n' + DELIM + '\n'
+
+    unit.set_property(['JAVA_DART_DATA', dart])
     if not idea_only and unit.get('MODULE_TYPE') in ('JAVA_PROGRAM', 'JAVA_LIBRARY', 'JTEST', 'TESTNG', 'JUNIT5') and not unit.path().startswith('$S/contrib/java'):
         unit.on_add_classpath_clash_check()
         if unit.get('LINT_LEVEL_VALUE') != "none":
diff --git a/build/plugins/pybuild.py b/build/plugins/pybuild.py
index 87252f1ba0..f32a2d39a0 100644
--- a/build/plugins/pybuild.py
+++ b/build/plugins/pybuild.py
@@ -498,7 +498,7 @@ def onpy_srcs(unit, *args):
             unit.onpeerdir(py_runtime_path)
 
         unit.onpeerdir(unit.get("PY_PROTO_DEPS").split())
- 
+
         proto_paths = [path for path, mod in protos]
         unit.on_generate_py_protos_internal(proto_paths)
         unit.onpy_srcs([
@@ -506,7 +506,7 @@ def onpy_srcs(unit, *args):
             for path, mod in protos
             for py_suf in unit.get("PY_PROTO_SUFFIXES").split()
         ])
- 
+
         if optimize_proto and need_gazetteer_peerdir:
             unit.onpeerdir(['kernel/gazetteer/proto'])
 
diff --git a/build/plugins/scarab_cant_clash.py b/build/plugins/scarab_cant_clash.py
index 5f3dcf6c35..77dc303183 100644
--- a/build/plugins/scarab_cant_clash.py
+++ b/build/plugins/scarab_cant_clash.py
@@ -1,65 +1,65 @@
-import _common as common 
- 
- 
-def onacceleo(unit, *args): 
+import _common as common
+
+
+def onacceleo(unit, *args):
     if unit.get("YMAKE_JAVA_MODULES") == "yes":
         return
-    flat, kv = common.sort_by_keywords( 
+    flat, kv = common.sort_by_keywords(
         {'XSD': -1, 'MTL': -1, 'MTL_ROOT': 1, 'LANG': -1, 'OUT': -1, 'OUT_NOAUTO': -1, 'OUTPUT_INCLUDES': -1, 'DEBUG': 0},
-        args 
-    ) 
- 
-    try: 
-        mtlroot = kv['MTL_ROOT'][0] 
-    except Exception: 
-        mtlroot = unit.path().replace('$S/', '') 
- 
-    classpath = ['$SCARAB', ]  # XXX special word for ya make to replace following paths with real classpath 
-    classpath.append('tools/acceleo') 
- 
+        args
+    )
+
+    try:
+        mtlroot = kv['MTL_ROOT'][0]
+    except Exception:
+        mtlroot = unit.path().replace('$S/', '')
+
+    classpath = ['$SCARAB', ]  # XXX special word for ya make to replace following paths with real classpath
+    classpath.append('tools/acceleo')
+
     depends = []
-    if not unit.get('IDE_MSVS_CALL'): 
-        for jar in classpath[1:]: 
+    if not unit.get('IDE_MSVS_CALL'):
+        for jar in classpath[1:]:
             depends.append(jar)
- 
-    classpath = ':'.join(classpath) 
- 
-    # Generate java cmd 
-    cmd = [ 
-        '-classpath', 
-        classpath, 
-        '-Dfile.encoding=UTF-8', 
-        'ru.yandex.se.logsng.tool.Cli', 
-    ] 
- 
-    for xsd in kv.get('XSD', []): 
-        cmd += ['--xsd', xsd] 
- 
-    for mtl in kv.get('MTL', []): 
-        cmd += ['--mtl', mtl] 
- 
-    for lang in kv.get('LANG', []): 
-        cmd += ['--lang', lang] 
- 
-    cmd += ['--output-dir', unit.path().replace('$S/', '${ARCADIA_BUILD_ROOT}/')] 
-    cmd += ['--build-root', '${ARCADIA_BUILD_ROOT}'] 
-    cmd += ['--source-root', '${ARCADIA_ROOT}'] 
-    cmd += ['--mtl-root', mtlroot] 
- 
-    # Generate RUN_JAVA args 
-    run_java = cmd 
- 
-    if 'DEBUG' not in kv: 
-        run_java += ['HIDE_OUTPUT'] 
- 
-    inputs = kv.get('XSD', []) + kv.get('MTL', []) + kv.get('LANG', []) 
-    if inputs: 
-        run_java += ['IN'] + inputs 
- 
-    for k in 'OUT', 'OUT_NOAUTO', 'OUTPUT_INCLUDES': 
-        if kv.get(k): 
-            run_java += [k] + kv[k] 
- 
+
+    classpath = ':'.join(classpath)
+
+    # Generate java cmd
+    cmd = [
+        '-classpath',
+        classpath,
+        '-Dfile.encoding=UTF-8',
+        'ru.yandex.se.logsng.tool.Cli',
+    ]
+
+    for xsd in kv.get('XSD', []):
+        cmd += ['--xsd', xsd]
+
+    for mtl in kv.get('MTL', []):
+        cmd += ['--mtl', mtl]
+
+    for lang in kv.get('LANG', []):
+        cmd += ['--lang', lang]
+
+    cmd += ['--output-dir', unit.path().replace('$S/', '${ARCADIA_BUILD_ROOT}/')]
+    cmd += ['--build-root', '${ARCADIA_BUILD_ROOT}']
+    cmd += ['--source-root', '${ARCADIA_ROOT}']
+    cmd += ['--mtl-root', mtlroot]
+
+    # Generate RUN_JAVA args
+    run_java = cmd
+
+    if 'DEBUG' not in kv:
+        run_java += ['HIDE_OUTPUT']
+
+    inputs = kv.get('XSD', []) + kv.get('MTL', []) + kv.get('LANG', [])
+    if inputs:
+        run_java += ['IN'] + inputs
+
+    for k in 'OUT', 'OUT_NOAUTO', 'OUTPUT_INCLUDES':
+        if kv.get(k):
+            run_java += [k] + kv[k]
+
     if depends:
         run_java += ['TOOL'] + depends
 
diff --git a/build/plugins/ytest.py b/build/plugins/ytest.py
index a490589b4c..8970837f0f 100644
--- a/build/plugins/ytest.py
+++ b/build/plugins/ytest.py
@@ -1,9 +1,9 @@
 import os
 import re
 import sys
-import json 
+import json
 import copy
-import base64 
+import base64
 import shlex
 import _common
 import lib._metric_resolvers as mr
@@ -348,7 +348,7 @@ def count_entries(x):
 
 
 def get_values_list(unit, key):
-    res = map(str.strip, (unit.get(key) or '').replace('$' + key, '').strip().split()) 
+    res = map(str.strip, (unit.get(key) or '').replace('$' + key, '').strip().split())
     return [r for r in res if r and r not in ['""', "''"]]
 
 
@@ -416,7 +416,7 @@ def get_project_tidy_config(unit):
 def onadd_ytest(unit, *args):
     keywords = {"DEPENDS": -1, "DATA": -1, "TIMEOUT": 1, "FORK_MODE": 1, "SPLIT_FACTOR": 1,
                 "FORK_SUBTESTS": 0, "FORK_TESTS": 0}
-    flat_args, spec_args = _common.sort_by_keywords(keywords, args) 
+    flat_args, spec_args = _common.sort_by_keywords(keywords, args)
 
     test_data = sorted(_common.filter_out_by_keyword(spec_args.get('DATA', []) + get_norm_paths(unit, 'TEST_DATA_VALUE'), 'AUTOUPDATED'))
 
@@ -547,7 +547,7 @@ def onadd_check(unit, *args):
     if unit.get("TIDY") == "yes":
         # graph changed for clang_tidy tests
         return
-    flat_args, spec_args = _common.sort_by_keywords({"DEPENDS": -1, "TIMEOUT": 1, "DATA": -1, "TAG": -1, "REQUIREMENTS": -1, "FORK_MODE": 1, 
+    flat_args, spec_args = _common.sort_by_keywords({"DEPENDS": -1, "TIMEOUT": 1, "DATA": -1, "TAG": -1, "REQUIREMENTS": -1, "FORK_MODE": 1,
                                                      "SPLIT_FACTOR": 1, "FORK_SUBTESTS": 0, "FORK_TESTS": 0, "SIZE": 1}, args)
     check_type = flat_args[0]
     test_dir = get_norm_unit_path(unit)
@@ -770,40 +770,40 @@ def add_test_to_dart(unit, test_type, binary_path=None, runner_bin=None):
     _dump_test(unit, test_type, test_files, timeout, get_norm_unit_path(unit), custom_deps, test_data, python_paths, split_factor, fork_mode, test_size, tags, requirements, binary_path, test_cwd=test_cwd, runner_bin=runner_bin, yt_spec=yt_spec, data_files=data_files)
 
 
-def extract_java_system_properties(unit, args): 
-    if len(args) % 2: 
+def extract_java_system_properties(unit, args):
+    if len(args) % 2:
         return [], 'Wrong use of SYSTEM_PROPERTIES in {}: odd number of arguments'.format(unit.path())
- 
+
     props = []
-    for x, y in zip(args[::2], args[1::2]): 
-        if x == 'FILE': 
-            if y.startswith('${BINDIR}') or y.startswith('${ARCADIA_BUILD_ROOT}') or y.startswith('/'): 
+    for x, y in zip(args[::2], args[1::2]):
+        if x == 'FILE':
+            if y.startswith('${BINDIR}') or y.startswith('${ARCADIA_BUILD_ROOT}') or y.startswith('/'):
                 return [], 'Wrong use of SYSTEM_PROPERTIES in {}: absolute/build file path {}'.format(unit.path(), y)
- 
-            y = _common.rootrel_arc_src(y, unit) 
-            if not os.path.exists(unit.resolve('$S/' + y)): 
+
+            y = _common.rootrel_arc_src(y, unit)
+            if not os.path.exists(unit.resolve('$S/' + y)):
                 return [], 'Wrong use of SYSTEM_PROPERTIES in {}: can\'t resolve {}'.format(unit.path(), y)
- 
-            y = '${ARCADIA_ROOT}/' + y 
-            props.append({'type': 'file', 'path': y}) 
-        else: 
-            props.append({'type': 'inline', 'key': x, 'value': y}) 
- 
+
+            y = '${ARCADIA_ROOT}/' + y
+            props.append({'type': 'file', 'path': y})
+        else:
+            props.append({'type': 'inline', 'key': x, 'value': y})
+
     return props, None
- 
- 
-def onjava_test(unit, *args): 
+
+
+def onjava_test(unit, *args):
     if unit.get("TIDY") == "yes":
         # graph changed for clang_tidy tests
         return
 
-    assert unit.get('MODULE_TYPE') is not None 
- 
-    if unit.get('MODULE_TYPE') == 'JTEST_FOR': 
-        if not unit.get('UNITTEST_DIR'): 
+    assert unit.get('MODULE_TYPE') is not None
+
+    if unit.get('MODULE_TYPE') == 'JTEST_FOR':
+        if not unit.get('UNITTEST_DIR'):
             ymake.report_configure_error('skip JTEST_FOR in {}: no args provided'.format(unit.path()))
             return
- 
+
     java_cp_arg_type = unit.get('JAVA_CLASSPATH_CMD_TYPE_VALUE') or 'MANIFEST'
     if java_cp_arg_type not in ('MANIFEST', 'COMMAND_FILE', 'LIST'):
         ymake.report_configure_error('{}: TEST_JAVA_CLASSPATH_CMD_TYPE({}) are invalid. Choose argument from MANIFEST, COMMAND_FILE or LIST)'.format(unit.path(), java_cp_arg_type))
@@ -811,11 +811,11 @@ def onjava_test(unit, *args):
 
     unit_path = unit.path()
     path = _common.strip_roots(unit_path)
- 
+
     test_data = get_norm_paths(unit, 'TEST_DATA_VALUE')
     test_data.append('arcadia/build/scripts/run_junit.py')
     test_data.append('arcadia/build/scripts/unpacking_jtest_runner.py')
- 
+
     data, data_files = get_canonical_test_resources(unit)
     test_data += data
 
@@ -823,49 +823,49 @@ def onjava_test(unit, *args):
     if error_mgs:
         ymake.report_configure_error(error_mgs)
         return
-    for prop in props: 
-        if prop['type'] == 'file': 
-            test_data.append(prop['path'].replace('${ARCADIA_ROOT}', 'arcadia')) 
- 
-    props = base64.b64encode(json.dumps(props, encoding='utf-8')) 
- 
-    test_cwd = unit.get('TEST_CWD_VALUE') or ''  # TODO: validate test_cwd value 
- 
+    for prop in props:
+        if prop['type'] == 'file':
+            test_data.append(prop['path'].replace('${ARCADIA_ROOT}', 'arcadia'))
+
+    props = base64.b64encode(json.dumps(props, encoding='utf-8'))
+
+    test_cwd = unit.get('TEST_CWD_VALUE') or ''  # TODO: validate test_cwd value
+
     if unit.get('MODULE_TYPE') == 'JUNIT5':
         script_rel_path = 'junit5.test'
     else:
         script_rel_path = 'junit.test'
 
     ymake_java_test = unit.get('YMAKE_JAVA_TEST') == 'yes'
-    test_record = { 
-        'SOURCE-FOLDER-PATH': path, 
-        'TEST-NAME': '-'.join([os.path.basename(os.path.dirname(path)), os.path.basename(path)]), 
+    test_record = {
+        'SOURCE-FOLDER-PATH': path,
+        'TEST-NAME': '-'.join([os.path.basename(os.path.dirname(path)), os.path.basename(path)]),
         'SCRIPT-REL-PATH': script_rel_path,
         'TEST-TIMEOUT': unit.get('TEST_TIMEOUT') or '',
         'TESTED-PROJECT-NAME': path,
         'TEST-ENV': prepare_env(unit.get("TEST_ENV_VALUE")),
         #  'TEST-PRESERVE-ENV': 'da',
         'TEST-DATA': serialize_list(sorted(_common.filter_out_by_keyword(test_data, 'AUTOUPDATED'))),
-        'FORK-MODE': unit.get('TEST_FORK_MODE') or '', 
-        'SPLIT-FACTOR': unit.get('TEST_SPLIT_FACTOR') or '', 
-        'CUSTOM-DEPENDENCIES': ' '.join(get_values_list(unit, 'TEST_DEPENDS_VALUE')), 
+        'FORK-MODE': unit.get('TEST_FORK_MODE') or '',
+        'SPLIT-FACTOR': unit.get('TEST_SPLIT_FACTOR') or '',
+        'CUSTOM-DEPENDENCIES': ' '.join(get_values_list(unit, 'TEST_DEPENDS_VALUE')),
         'TAG': serialize_list(_get_test_tags(unit)),
-        'SIZE': unit.get('TEST_SIZE_NAME') or '', 
+        'SIZE': unit.get('TEST_SIZE_NAME') or '',
         'REQUIREMENTS': serialize_list(get_values_list(unit, 'TEST_REQUIREMENTS_VALUE')),
         'TEST-RECIPES': prepare_recipes(unit.get("TEST_RECIPES_VALUE")),
- 
-        # JTEST/JTEST_FOR only 
-        'MODULE_TYPE': unit.get('MODULE_TYPE'), 
-        'UNITTEST_DIR': unit.get('UNITTEST_DIR') or '', 
-        'JVM_ARGS': serialize_list(get_values_list(unit, 'JVM_ARGS_VALUE')), 
-        'SYSTEM_PROPERTIES': props, 
-        'TEST-CWD': test_cwd, 
+
+        # JTEST/JTEST_FOR only
+        'MODULE_TYPE': unit.get('MODULE_TYPE'),
+        'UNITTEST_DIR': unit.get('UNITTEST_DIR') or '',
+        'JVM_ARGS': serialize_list(get_values_list(unit, 'JVM_ARGS_VALUE')),
+        'SYSTEM_PROPERTIES': props,
+        'TEST-CWD': test_cwd,
         'SKIP_TEST': unit.get('SKIP_TEST_VALUE') or '',
         'JAVA_CLASSPATH_CMD_TYPE': java_cp_arg_type,
         'NO_JBUILD': 'yes' if ymake_java_test else 'no',
         'JDK_RESOURCE': 'JDK' + (unit.get('JDK_VERSION') or '_DEFAULT'),
         'JDK_FOR_TESTS': 'JDK' + (unit.get('JDK_VERSION') or '_DEFAULT') + '_FOR_TESTS',
-    } 
+    }
     test_classpath_origins = unit.get('TEST_CLASSPATH_VALUE')
     if test_classpath_origins:
         test_record['TEST_CLASSPATH_ORIGINS'] = test_classpath_origins
@@ -877,12 +877,12 @@ def onjava_test(unit, *args):
             test_record['TEST_JAR'] = '${UNITTEST_MOD}'
         else:
             test_record['TEST_JAR'] = '{}/{}.jar'.format(unit.get('MODDIR'), unit.get('REALPRJNAME'))
- 
+
     data = dump_test(unit, test_record)
     if data:
         unit.set_property(['DART_DATA', data])
- 
- 
+
+
 def onjava_test_deps(unit, *args):
     if unit.get("TIDY") == "yes":
         # graph changed for clang_tidy tests
diff --git a/build/scripts/collect_java_srcs.py b/build/scripts/collect_java_srcs.py
index a8056932cc..170002520a 100644
--- a/build/scripts/collect_java_srcs.py
+++ b/build/scripts/collect_java_srcs.py
@@ -1,51 +1,51 @@
-import os 
-import sys 
-import contextlib 
-import tarfile 
-import zipfile 
- 
- 
-if __name__ == '__main__': 
-    build_root = sys.argv[1] 
+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: 
+    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 
+            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>>sys.stderr, '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: 
+                    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'): 
+
+        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) 
+                zf.extractall(dst)
+
+        else:
+            print>>sys.stderr, 'Unrecognized file type', os.path.relpath(src, build_root)
diff --git a/build/scripts/compile_java.py b/build/scripts/compile_java.py
index 8f2ad79e4a..e95869e853 100644
--- a/build/scripts/compile_java.py
+++ b/build/scripts/compile_java.py
@@ -1,29 +1,29 @@
-import optparse 
-import contextlib 
-import os 
-import shutil 
-import subprocess as sp 
-import tarfile 
-import zipfile 
+import optparse
+import contextlib
+import os
+import shutil
+import subprocess as sp
+import tarfile
+import zipfile
 import sys
- 
- 
+
+
 def parse_args(args):
-    parser = optparse.OptionParser() 
-    parser.add_option('--javac-bin') 
-    parser.add_option('--jar-bin') 
+    parser = optparse.OptionParser()
+    parser.add_option('--javac-bin')
+    parser.add_option('--jar-bin')
     parser.add_option('--vcs-mf')
-    parser.add_option('--package-prefix') 
-    parser.add_option('--jar-output') 
-    parser.add_option('--srcs-jar-output') 
+    parser.add_option('--package-prefix')
+    parser.add_option('--jar-output')
+    parser.add_option('--srcs-jar-output')
     return parser.parse_args(args)
- 
- 
-def mkdir_p(directory): 
-    if not os.path.exists(directory): 
-        os.makedirs(directory) 
- 
- 
+
+
+def mkdir_p(directory):
+    if not os.path.exists(directory):
+        os.makedirs(directory)
+
+
 def split_cmd_by_delim(cmd, delim='DELIM'):
     result = [[]]
     for arg in cmd:
@@ -34,69 +34,69 @@ def split_cmd_by_delim(cmd, delim='DELIM'):
     return result
 
 
-def main(): 
+def main():
     cmd_parts = split_cmd_by_delim(sys.argv)
     assert len(cmd_parts) == 3
     args, javac_opts, peers = cmd_parts
     opts, jsrcs = parse_args(args)
- 
+
     jsrcs += list(filter(lambda x: x.endswith('.jsrc'), peers))
     peers = list(filter(lambda x: not x.endswith('.jsrc'), peers))
 
-    sources_dir = 'src' 
-    mkdir_p(sources_dir) 
-    for s in jsrcs: 
-        if s.endswith('.jsrc'): 
-            with contextlib.closing(tarfile.open(s, 'r')) as tf: 
-                tf.extractall(sources_dir) 
- 
-    srcs = [] 
-    for r, _, files in os.walk(sources_dir): 
-        for f in files: 
-            srcs.append(os.path.join(r, f)) 
+    sources_dir = 'src'
+    mkdir_p(sources_dir)
+    for s in jsrcs:
+        if s.endswith('.jsrc'):
+            with contextlib.closing(tarfile.open(s, 'r')) as tf:
+                tf.extractall(sources_dir)
+
+    srcs = []
+    for r, _, files in os.walk(sources_dir):
+        for f in files:
+            srcs.append(os.path.join(r, f))
     srcs += jsrcs
     srcs = list(filter(lambda x: x.endswith('.java'), srcs))
- 
-    classes_dir = 'cls' 
-    mkdir_p(classes_dir) 
+
+    classes_dir = 'cls'
+    mkdir_p(classes_dir)
     classpath = os.pathsep.join(peers)
- 
-    if srcs: 
+
+    if srcs:
         temp_sources_file = 'temp.sources.list'
         with open(temp_sources_file, 'w') as ts:
             ts.write(' '.join(srcs))
         sp.check_call([opts.javac_bin, '-nowarn', '-g', '-classpath', classpath, '-encoding', 'UTF-8', '-d', classes_dir] + javac_opts + ['@' + temp_sources_file])
- 
-    for s in jsrcs: 
-        if s.endswith('-sources.jar'): 
-            with zipfile.ZipFile(s) as zf: 
-                zf.extractall(sources_dir) 
- 
-        elif s.endswith('.jar'): 
-            with zipfile.ZipFile(s) as zf: 
-                zf.extractall(classes_dir) 
- 
+
+    for s in jsrcs:
+        if s.endswith('-sources.jar'):
+            with zipfile.ZipFile(s) as zf:
+                zf.extractall(sources_dir)
+
+        elif s.endswith('.jar'):
+            with zipfile.ZipFile(s) as zf:
+                zf.extractall(classes_dir)
+
     if opts.vcs_mf:
         sp.check_call([opts.jar_bin, 'cfm', opts.jar_output, opts.vcs_mf, os.curdir], cwd=classes_dir)
     else:
         sp.check_call([opts.jar_bin, 'cfM', opts.jar_output, os.curdir], cwd=classes_dir)
- 
-    if opts.srcs_jar_output: 
-        for s in jsrcs: 
-            if s.endswith('.java'): 
-                if opts.package_prefix: 
-                    d = os.path.join(sources_dir, *(opts.package_prefix.split('.') + [os.path.basename(s)])) 
- 
-                else: 
-                    d = os.path.join(sources_dir, os.path.basename(s)) 
- 
-                shutil.copyfile(s, d) 
- 
+
+    if opts.srcs_jar_output:
+        for s in jsrcs:
+            if s.endswith('.java'):
+                if opts.package_prefix:
+                    d = os.path.join(sources_dir, *(opts.package_prefix.split('.') + [os.path.basename(s)]))
+
+                else:
+                    d = os.path.join(sources_dir, os.path.basename(s))
+
+                shutil.copyfile(s, d)
+
         if opts.vcs_mf:
             sp.check_call([opts.jar_bin, 'cfm', opts.srcs_jar_output, opts.vcs_mf, os.curdir], cwd=sources_dir)
         else:
             sp.check_call([opts.jar_bin, 'cfM', opts.srcs_jar_output, os.curdir], cwd=sources_dir)
- 
- 
-if __name__ == '__main__': 
-    main() 
+
+
+if __name__ == '__main__':
+    main()
diff --git a/build/scripts/copy_to_dir.py b/build/scripts/copy_to_dir.py
index 8044b0b0bf..9baeb5ffac 100644
--- a/build/scripts/copy_to_dir.py
+++ b/build/scripts/copy_to_dir.py
@@ -2,19 +2,19 @@ import errno
 import sys
 import os
 import shutil
-import optparse 
-import tarfile 
+import optparse
+import tarfile
 
 
-def parse_args(): 
-    parser = optparse.OptionParser() 
-    parser.add_option('--build-root') 
-    parser.add_option('--dest-dir') 
-    parser.add_option('--dest-arch') 
-    return parser.parse_args() 
- 
- 
-def ensure_dir_exists(path): 
+def parse_args():
+    parser = optparse.OptionParser()
+    parser.add_option('--build-root')
+    parser.add_option('--dest-dir')
+    parser.add_option('--dest-arch')
+    return parser.parse_args()
+
+
+def ensure_dir_exists(path):
     try:
         os.makedirs(path)
     except OSError as e:
@@ -24,52 +24,52 @@ def ensure_dir_exists(path):
             raise
 
 
-def hardlink_or_copy(src, dst): 
-    if os.name == 'nt': 
-        shutil.copy(src, dst) 
-    else: 
-        try: 
-            os.link(src, dst) 
-        except OSError as e: 
-            if e.errno == errno.EEXIST: 
-                return 
-            elif e.errno == errno.EXDEV: 
+def hardlink_or_copy(src, dst):
+    if os.name == 'nt':
+        shutil.copy(src, dst)
+    else:
+        try:
+            os.link(src, dst)
+        except OSError as e:
+            if e.errno == errno.EEXIST:
+                return
+            elif e.errno == errno.EXDEV:
                 sys.stderr.write("Can't make cross-device hardlink - fallback to copy: {} -> {}\n".format(src, dst))
-                shutil.copy(src, dst) 
-            else: 
-                raise 
- 
- 
+                shutil.copy(src, dst)
+            else:
+                raise
+
+
 def main():
-    opts, args = parse_args() 
-    assert opts.build_root 
-    assert opts.dest_dir 
- 
-    dest_arch = None 
-    if opts.dest_arch: 
-        if opts.dest_arch.endswith('.tar'): 
+    opts, args = parse_args()
+    assert opts.build_root
+    assert opts.dest_dir
+
+    dest_arch = None
+    if opts.dest_arch:
+        if opts.dest_arch.endswith('.tar'):
             dest_arch = tarfile.open(opts.dest_arch, 'w', dereference=True)
-        elif opts.dest_arch.endswith('.tar.gz') or opts.dest_arch.endswith('.tgz'): 
+        elif opts.dest_arch.endswith('.tar.gz') or opts.dest_arch.endswith('.tgz'):
             dest_arch = tarfile.open(opts.dest_arch, 'w:gz', dereference=True)
-        else: 
-            # TODO: move check to graph generation stage 
-            raise Exception('Unsopported archive type for {}. Use one of: tar, tar.gz, tgz.'.format(os.path.basename(opts.dest_arch))) 
- 
-    for arg in args: 
+        else:
+            # TODO: move check to graph generation stage
+            raise Exception('Unsopported archive type for {}. Use one of: tar, tar.gz, tgz.'.format(os.path.basename(opts.dest_arch)))
+
+    for arg in args:
         dst = arg
-        if dst.startswith(opts.build_root): 
-            dst = dst[len(opts.build_root) + 1:] 
+        if dst.startswith(opts.build_root):
+            dst = dst[len(opts.build_root) + 1:]
 
         if dest_arch and not arg.endswith('.pkg.fake'):
-            dest_arch.add(arg, arcname=dst) 
+            dest_arch.add(arg, arcname=dst)
+
+        dst = os.path.join(opts.dest_dir, dst)
+        ensure_dir_exists(os.path.dirname(dst))
+        hardlink_or_copy(arg, dst)
+
+    if dest_arch:
+        dest_arch.close()
+
 
-        dst = os.path.join(opts.dest_dir, dst) 
-        ensure_dir_exists(os.path.dirname(dst)) 
-        hardlink_or_copy(arg, dst) 
- 
-    if dest_arch: 
-        dest_arch.close() 
- 
- 
 if __name__ == '__main__':
     sys.exit(main())
diff --git a/build/scripts/create_jcoverage_report.py b/build/scripts/create_jcoverage_report.py
index 578183e9b9..45083ff4f7 100644
--- a/build/scripts/create_jcoverage_report.py
+++ b/build/scripts/create_jcoverage_report.py
@@ -1,8 +1,8 @@
 import argparse
 import tarfile
-import zipfile 
+import zipfile
 import os
-import sys 
+import sys
 import time
 import subprocess
 
@@ -26,66 +26,66 @@ class Timer(object):
 
 def main(source, output, java, prefix_filter, exclude_filter, jars_list, output_format, tar_output, agent_disposition, runners_paths):
     timer = Timer()
-    reports_dir = 'jacoco_reports_dir' 
-    mkdir_p(reports_dir) 
-    with tarfile.open(source) as tf: 
-        tf.extractall(reports_dir) 
+    reports_dir = 'jacoco_reports_dir'
+    mkdir_p(reports_dir)
+    with tarfile.open(source) as tf:
+        tf.extractall(reports_dir)
     timer.step("Coverage data extracted")
-    reports = [os.path.join(reports_dir, fname) for fname in os.listdir(reports_dir)] 
- 
-    with open(jars_list) as f: 
-        jars = f.read().strip().split() 
+    reports = [os.path.join(reports_dir, fname) for fname in os.listdir(reports_dir)]
+
+    with open(jars_list) as f:
+        jars = f.read().strip().split()
     if jars and runners_paths:
         for r in runners_paths:
             try:
                 jars.remove(r)
             except ValueError:
                 pass
- 
-    src_dir = 'sources_dir' 
-    cls_dir = 'classes_dir' 
- 
-    mkdir_p(src_dir) 
-    mkdir_p(cls_dir) 
- 
-    for jar in jars: 
-        if jar.endswith('devtools-jacoco-agent.jar'): 
-            agent_disposition = jar 
- 
+
+    src_dir = 'sources_dir'
+    cls_dir = 'classes_dir'
+
+    mkdir_p(src_dir)
+    mkdir_p(cls_dir)
+
+    for jar in jars:
+        if jar.endswith('devtools-jacoco-agent.jar'):
+            agent_disposition = jar
+
         # Skip java contrib - it's irrelevant coverage
         if jar.startswith('contrib/java'):
             continue
 
-        with zipfile.ZipFile(jar) as jf: 
-            for entry in jf.infolist(): 
-                if entry.filename.endswith('.java'): 
-                    dest = src_dir 
- 
-                elif entry.filename.endswith('.class'): 
-                    dest = cls_dir 
- 
-                else: 
-                    continue 
- 
+        with zipfile.ZipFile(jar) as jf:
+            for entry in jf.infolist():
+                if entry.filename.endswith('.java'):
+                    dest = src_dir
+
+                elif entry.filename.endswith('.class'):
+                    dest = cls_dir
+
+                else:
+                    continue
+
                 entry.filename = entry.filename.encode('utf-8')
-                jf.extract(entry, dest) 
+                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.' 
- 
+
+    if not agent_disposition:
+        print>>sys.stderr, 'Can\'t find jacoco agent. Will not generate html report for java coverage.'
+
     if tar_output:
         report_dir = 'java.report.temp'
     else:
         report_dir = output
     mkdir_p(report_dir)
 
-    if agent_disposition: 
+    if agent_disposition:
         agent_cmd = [java, '-jar', agent_disposition, src_dir, cls_dir, prefix_filter or '.', exclude_filter or '__no_exclude__', report_dir, output_format]
-        agent_cmd += reports 
-        subprocess.check_call(agent_cmd) 
+        agent_cmd += reports
+        subprocess.check_call(agent_cmd)
         timer.step("Jacoco finished")
- 
+
     if tar_output:
         with tarfile.open(output, 'w') as outf:
             outf.add(report_dir, arcname='.')
@@ -103,7 +103,7 @@ if __name__ == '__main__':
     parser.add_argument('--java', action='store')
     parser.add_argument('--prefix-filter', action='store')
     parser.add_argument('--exclude-filter', action='store')
-    parser.add_argument('--jars-list', action='store') 
+    parser.add_argument('--jars-list', action='store')
     parser.add_argument('--output-format', action='store', default="html")
     parser.add_argument('--raw-output', dest='tar_output', action='store_false', default=True)
     parser.add_argument('--agent-disposition', action='store')
diff --git a/build/scripts/fetch_from.py b/build/scripts/fetch_from.py
index 3860974ac4..db4fea50bf 100755
--- a/build/scripts/fetch_from.py
+++ b/build/scripts/fetch_from.py
@@ -321,15 +321,15 @@ def process(fetched_file, file_name, args, remove=True):
         hardlink_or_copy(fetched_file, args.copy_to)
         if not args.outputs:
             args.outputs = [args.copy_to]
- 
+
     if args.rename_to:
         args.rename.append(fetched_file)
         if not args.outputs:
             args.outputs = [args.rename_to]
- 
+
     if args.copy_to_dir:
         hardlink_or_copy(fetched_file, os.path.join(args.copy_to_dir, file_name))
- 
+
     if args.untar_to:
         ensure_dir(args.untar_to)
         # Extract only requested files
diff --git a/build/scripts/fetch_from_sandbox.py b/build/scripts/fetch_from_sandbox.py
index f8533f1223..a99542e174 100755
--- a/build/scripts/fetch_from_sandbox.py
+++ b/build/scripts/fetch_from_sandbox.py
@@ -18,19 +18,19 @@ MDS_PREFIX = 'http://storage-int.mds.yandex.net/get-sandbox/'
 TEMPORARY_ERROR_CODES = (429, 500, 503, 504)
 
 
-def parse_args(): 
+def parse_args():
     parser = argparse.ArgumentParser()
     fetch_from.add_common_arguments(parser)
     parser.add_argument('--resource-id', type=int, required=True)
     parser.add_argument('--custom-fetcher')
     parser.add_argument('--resource-file')
     return parser.parse_args()
- 
- 
-class ResourceInfoError(Exception): 
-    pass 
- 
- 
+
+
+class ResourceInfoError(Exception):
+    pass
+
+
 class UnsupportedProtocolException(Exception):
     pass
 
@@ -75,37 +75,37 @@ def download_by_skynet(resource_info, file_name):
 
 
 def _urlopen(url, data=None, headers=None):
-    n = 10 
+    n = 10
     tout = 30
     started = time.time()
     reqid = uuid.uuid4()
- 
+
     request = urllib2.Request(url, data=data, headers=headers or {})
     request.add_header('X-Request-Timeout', str(tout))
     request.add_header('X-Request-Id', str(reqid))
     request.add_header('User-Agent', 'fetch_from_sandbox.py')
-    for i in xrange(n): 
+    for i in xrange(n):
         retry_after = i
-        try: 
+        try:
             request.add_header('X-Request-Duration', str(int(time.time() - started)))
             return urllib2.urlopen(request, timeout=tout).read()
- 
-        except urllib2.HTTPError as e: 
+
+        except urllib2.HTTPError as e:
             logging.warning('failed to fetch URL %s with HTTP code %d: %s', url, e.code, e)
             retry_after = int(e.headers.get('Retry-After', str(retry_after)))
- 
+
             if e.code not in TEMPORARY_ERROR_CODES:
-                raise 
- 
-        except Exception as e: 
+                raise
+
+        except Exception as e:
             logging.warning('failed to fetch URL %s: %s', url, e)
- 
-        if i + 1 == n: 
-            raise e 
- 
+
+        if i + 1 == n:
+            raise e
+
         time.sleep(retry_after)
- 
- 
+
+
 def _query(url):
     return json.loads(_urlopen(url))
 
@@ -133,19 +133,19 @@ def fetch_via_script(script, resource_id):
 
 
 def fetch(resource_id, custom_fetcher):
-    try: 
+    try:
         resource_info = get_resource_info(resource_id, touch=True, no_links=True)
-    except Exception as e: 
+    except Exception as e:
         sys.stderr.write(
             "Failed to fetch resource {}: {}\n".format(resource_id, str(e))
         )
         raise
- 
+
     if resource_info.get('state', 'DELETED') != 'READY':
         raise ResourceInfoError("Resource {} is not READY".format(resource_id))
 
-    logging.info('Resource %s info %s', str(resource_id), json.dumps(resource_info)) 
- 
+    logging.info('Resource %s info %s', str(resource_id), json.dumps(resource_info))
+
     resource_file_name = os.path.basename(resource_info["file_name"])
     expected_md5 = resource_info.get('md5')
 
@@ -183,9 +183,9 @@ def fetch(resource_id, custom_fetcher):
         if mds_link is not None:
             yield lambda: fetch_from.fetch_url(mds_link, True, resource_file_name, expected_md5)
 
-    if resource_info.get('attributes', {}).get('ttl') != 'inf': 
-        sys.stderr.write('WARNING: resource {} ttl is not "inf".\n'.format(resource_id)) 
- 
+    if resource_info.get('attributes', {}).get('ttl') != 'inf':
+        sys.stderr.write('WARNING: resource {} ttl is not "inf".\n'.format(resource_id))
+
     exc_info = None
     for i, action in enumerate(itertools.islice(iter_tries(), 0, 10)):
         try:
@@ -210,10 +210,10 @@ def fetch(resource_id, custom_fetcher):
             raise exc_info[0], exc_info[1], exc_info[2]
         else:
             raise Exception("No available protocol and/or server to fetch resource")
- 
+
     return fetched_file, resource_info['file_name']
 
- 
+
 def _get_resource_info_from_file(resource_file):
     if resource_file is None or not os.path.exists(resource_file):
         return None
@@ -242,7 +242,7 @@ def _get_resource_info_from_file(resource_file):
 
 def main(args):
     custom_fetcher = os.environ.get('YA_CUSTOM_FETCHER')
- 
+
     resource_info = _get_resource_info_from_file(args.resource_file)
     if resource_info:
         fetched_file = args.resource_file
@@ -250,14 +250,14 @@ def main(args):
     else:
         # This code should be merged to ya and removed.
         fetched_file, file_name = fetch(args.resource_id, custom_fetcher)
- 
+
     fetch_from.process(fetched_file, file_name, args, remove=not custom_fetcher and not resource_info)
 
 
 if __name__ == '__main__':
     args = parse_args()
     fetch_from.setup_logging(args, os.path.basename(__file__))
- 
+
     try:
         main(args)
     except Exception as e:
diff --git a/build/scripts/fetch_resource.py b/build/scripts/fetch_resource.py
index ba046ad88e..d5af311e5d 100644
--- a/build/scripts/fetch_resource.py
+++ b/build/scripts/fetch_resource.py
@@ -1,43 +1,43 @@
-import urllib2 
+import urllib2
 import argparse
-import xmlrpclib 
- 
- 
-def parse_args(): 
+import xmlrpclib
+
+
+def parse_args():
     parser = argparse.ArgumentParser()
     parser.add_argument('-r', '--resource-id', type=int, required=True)
     parser.add_argument('-o', '--output', required=True)
     return parser.parse_args()
- 
- 
-def fetch(url, retries=4, timeout=5): 
-    for i in xrange(retries): 
-        try: 
-            return urllib2.urlopen(url, timeout=timeout).read() 
- 
-        except Exception: 
-            if i + 1 < retries: 
-                continue 
- 
-            else: 
-                raise 
- 
- 
-def fetch_resource(id_): 
+
+
+def fetch(url, retries=4, timeout=5):
+    for i in xrange(retries):
+        try:
+            return urllib2.urlopen(url, timeout=timeout).read()
+
+        except Exception:
+            if i + 1 < retries:
+                continue
+
+            else:
+                raise
+
+
+def fetch_resource(id_):
     urls = xmlrpclib.ServerProxy("https://sandbox.yandex-team.ru/sandbox/xmlrpc").get_resource_http_links(id_)
- 
-    for u in urls: 
-        try: 
-            return fetch(u) 
- 
+
+    for u in urls:
+        try:
+            return fetch(u)
+
         except Exception:
-            continue 
- 
-    raise Exception('Cannot fetch resource {}'.format(id_)) 
- 
- 
-if __name__ == '__main__': 
+            continue
+
+    raise Exception('Cannot fetch resource {}'.format(id_))
+
+
+if __name__ == '__main__':
     args = parse_args()
- 
+
     with open(args.output, 'wb') as f:
         f.write(fetch_resource(int(args.resource_id)))
diff --git a/build/scripts/generate_pom.py b/build/scripts/generate_pom.py
index 28d5c988eb..200caebc0b 100644
--- a/build/scripts/generate_pom.py
+++ b/build/scripts/generate_pom.py
@@ -247,7 +247,7 @@ def build_pom_and_export_to_maven(**kwargs):
 
     _indent(project)
 
-    et.ElementTree(project).write(pom_path) 
+    et.ElementTree(project).write(pom_path)
     sys.stderr.write("[MAVEN EXPORT] Generated {} file for target {}\n".format(os.path.basename(pom_path), target_path))
 
 
diff --git a/build/scripts/link_dyn_lib.py b/build/scripts/link_dyn_lib.py
index 0b14f0cc99..23487f5c1e 100644
--- a/build/scripts/link_dyn_lib.py
+++ b/build/scripts/link_dyn_lib.py
@@ -3,7 +3,7 @@ import os
 import subprocess
 import tempfile
 import collections
-import optparse 
+import optparse
 import pipes
 
 from process_whole_archive_option import ProcessWholeArchiveOption
@@ -158,26 +158,26 @@ def fix_cmd(arch, musl, c):
     return sum((do_fix(x) for x in c), [])
 
 
-def parse_args(): 
-    parser = optparse.OptionParser() 
-    parser.disable_interspersed_args() 
-    parser.add_option('--arch') 
-    parser.add_option('--target') 
-    parser.add_option('--soname') 
-    parser.add_option('--fix-elf') 
+def parse_args():
+    parser = optparse.OptionParser()
+    parser.disable_interspersed_args()
+    parser.add_option('--arch')
+    parser.add_option('--target')
+    parser.add_option('--soname')
+    parser.add_option('--fix-elf')
     parser.add_option('--linker-output')
     parser.add_option('--musl', action='store_true')
     parser.add_option('--whole-archive-peers', action='append')
     parser.add_option('--whole-archive-libs', action='append')
-    return parser.parse_args() 
+    return parser.parse_args()
 
 
-if __name__ == '__main__': 
-    opts, args = parse_args() 
- 
-    assert opts.arch 
-    assert opts.target 
- 
+if __name__ == '__main__':
+    opts, args = parse_args()
+
+    assert opts.arch
+    assert opts.target
+
     cmd = fix_cmd(opts.arch, opts.musl, args)
     cmd = ProcessWholeArchiveOption(opts.arch, opts.whole_archive_peers, opts.whole_archive_libs).construct_cmd(cmd)
 
@@ -187,27 +187,27 @@ if __name__ == '__main__':
         stdout = sys.stdout
 
     proc = subprocess.Popen(cmd, shell=False, stderr=sys.stderr, stdout=stdout)
-    proc.communicate() 
- 
-    if proc.returncode: 
+    proc.communicate()
+
+    if proc.returncode:
         print >>sys.stderr, 'linker has failed with retcode:', proc.returncode
         print >>sys.stderr, 'linker command:', shlex_join(cmd)
-        sys.exit(proc.returncode) 
- 
-    if opts.fix_elf: 
-        cmd = [opts.fix_elf, opts.target] 
-        proc = subprocess.Popen(cmd, shell=False, stderr=sys.stderr, stdout=sys.stdout) 
-        proc.communicate() 
- 
-        if proc.returncode: 
+        sys.exit(proc.returncode)
+
+    if opts.fix_elf:
+        cmd = [opts.fix_elf, opts.target]
+        proc = subprocess.Popen(cmd, shell=False, stderr=sys.stderr, stdout=sys.stdout)
+        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)
-            sys.exit(proc.returncode) 
- 
-    if opts.soname and opts.soname != opts.target: 
+            sys.exit(proc.returncode)
+
+    if opts.soname and opts.soname != opts.target:
         if os.path.exists(opts.soname):
             os.unlink(opts.soname)
-        os.link(opts.target, opts.soname) 
+        os.link(opts.target, opts.soname)
 
 
 # -----------------Test---------------- #
diff --git a/build/scripts/merge_coverage_data.py b/build/scripts/merge_coverage_data.py
index 6e4aa9fde9..b7fa3c6a86 100644
--- a/build/scripts/merge_coverage_data.py
+++ b/build/scripts/merge_coverage_data.py
@@ -2,29 +2,29 @@ import sys
 import tarfile
 import copy
 import os
-import uuid 
+import uuid
 
 
 def main(args):
-    output_file, args = args[0], args[1:] 
+    output_file, args = args[0], args[1:]
     # heretic@: Splits files on which could be merged( files ) and which should not be merged( expendables )
     # expendables will be in output_file in form {name}{ordinal number of archive in args[]}.{extension}
-    try: 
-        split_i = args.index('-no-merge') 
-    except ValueError: 
-        split_i = len(args) 
-    files, expendables = args[:split_i], args[split_i + 1:] 
+    try:
+        split_i = args.index('-no-merge')
+    except ValueError:
+        split_i = len(args)
+    files, expendables = args[:split_i], args[split_i + 1:]
 
     with tarfile.open(output_file, 'w') as outf:
-        for x in files: 
+        for x in files:
             with tarfile.open(x) as tf:
                 for tarinfo in tf:
                     new_tarinfo = copy.deepcopy(tarinfo)
                     if new_tarinfo.name in expendables:
-                        dirname, basename = os.path.split(new_tarinfo.name) 
-                        basename_parts = basename.split('.', 1) 
-                        new_basename = '.'.join([basename_parts[0] + str(uuid.uuid4())] + basename_parts[1:]) 
-                        new_tarinfo.name = os.path.join(dirname, new_basename) 
+                        dirname, basename = os.path.split(new_tarinfo.name)
+                        basename_parts = basename.split('.', 1)
+                        new_basename = '.'.join([basename_parts[0] + str(uuid.uuid4())] + basename_parts[1:])
+                        new_tarinfo.name = os.path.join(dirname, new_basename)
                     outf.addfile(new_tarinfo, tf.extractfile(tarinfo))
 
 
diff --git a/build/scripts/pack_jcoverage_resources.py b/build/scripts/pack_jcoverage_resources.py
index 22d2dddbe7..f6e181067a 100644
--- a/build/scripts/pack_jcoverage_resources.py
+++ b/build/scripts/pack_jcoverage_resources.py
@@ -9,16 +9,16 @@ def main(args):
     report_file = args[1]
 
     res = subprocess.call(args[args.index('-end') + 1:])
- 
-    if not os.path.exists(report_file): 
-        print>>sys.stderr, 'Can\'t find jacoco exec file' 
-        return res 
- 
+
+    if not os.path.exists(report_file):
+        print>>sys.stderr, 'Can\'t find jacoco exec file'
+        return res
+
     with tarfile.open(output_file, 'w') as outf:
         outf.add(report_file, arcname=os.path.basename(report_file))
- 
+
     return res
 
 
 if __name__ == '__main__':
-    sys.exit(main(sys.argv[1:])) 
+    sys.exit(main(sys.argv[1:]))
diff --git a/build/scripts/resolve_java_srcs.py b/build/scripts/resolve_java_srcs.py
index 4919e16ed7..a2e6c20012 100644
--- a/build/scripts/resolve_java_srcs.py
+++ b/build/scripts/resolve_java_srcs.py
@@ -14,8 +14,8 @@ def list_all_files(directory, prefix='/', hidden_files=False):
     return result
 
 
-def pattern_to_regexp(p): 
-    return '^' + \ 
+def pattern_to_regexp(p):
+    return '^' + \
            ('/' if not p.startswith('**') else '') + \
            re.escape(p).replace(
                r'\*\*\/', '[_DIR_]'
@@ -26,8 +26,8 @@ def pattern_to_regexp(p):
            ).replace(
                '[_FILE_]', '([^/]*)'
            ) + '$'
- 
- 
+
+
 def resolve_java_srcs(srcdir, include_patterns, exclude_patterns, all_resources, resolve_kotlin=False, resolve_groovy=False):
     result = {'java': [], 'not_java': [], 'kotlin': [], 'groovy': []}
     include_patterns_normal, include_patterns_hidden, exclude_patterns_normal, exclude_patterns_hidden = [], [], [], []
@@ -43,22 +43,22 @@ def resolve_java_srcs(srcdir, include_patterns, exclude_patterns, all_resources,
         else:
             re_patterns = [re.compile(i) for i in re_patterns]
         vis[:], hid[:] = re_patterns[:len(vis)], re_patterns[len(vis):]
- 
+
     for inc_patterns, exc_patterns, with_hidden_files in (
         (include_patterns_normal, exclude_patterns_normal, False),
         (include_patterns_hidden, exclude_patterns_hidden, True),
     ):
         for f in list_all_files(srcdir, hidden_files=with_hidden_files):
             excluded = False
- 
+
             for exc_re in exc_patterns:
                 if exc_re.match(f):
                     excluded = True
                     break
- 
+
             if excluded:
                 continue
- 
+
             for inc_re in inc_patterns:
                 if inc_re.match(f):
                     s = os.path.normpath(f[1:])
@@ -73,7 +73,7 @@ def resolve_java_srcs(srcdir, include_patterns, exclude_patterns, all_resources,
                     else:
                         result['not_java'].append(s)
                     break
- 
+
     return sorted(result['java']), sorted(result['not_java']), sorted(result['kotlin']), sorted(result['groovy'])
 
 
@@ -99,8 +99,8 @@ if __name__ == '__main__':
     parser.add_argument('--all-resources',  action='store_true', default=False)
     parser.add_argument('--resolve-kotlin',  action='store_true', default=False)
     parser.add_argument('--resolve-groovy', action='store_true', default=False)
-    parser.add_argument('--include-patterns', nargs='*', default=[]) 
-    parser.add_argument('--exclude-patterns', nargs='*', default=[]) 
+    parser.add_argument('--include-patterns', nargs='*', default=[])
+    parser.add_argument('--exclude-patterns', nargs='*', default=[])
     args = parser.parse_args()
 
     do_it(**vars(args))
diff --git a/build/scripts/run_javac.py b/build/scripts/run_javac.py
index 2a870af771..c35546e0fe 100644
--- a/build/scripts/run_javac.py
+++ b/build/scripts/run_javac.py
@@ -1,47 +1,47 @@
-import sys 
-import subprocess 
-import optparse 
-import re 
- 
- 
-def parse_args(): 
-    parser = optparse.OptionParser() 
-    parser.disable_interspersed_args() 
-    parser.add_option('--sources-list') 
-    parser.add_option('--verbose', default=False, action='store_true') 
-    parser.add_option('--remove-notes', default=False, action='store_true') 
+import sys
+import subprocess
+import optparse
+import re
+
+
+def parse_args():
+    parser = optparse.OptionParser()
+    parser.disable_interspersed_args()
+    parser.add_option('--sources-list')
+    parser.add_option('--verbose', default=False, action='store_true')
+    parser.add_option('--remove-notes', default=False, action='store_true')
     parser.add_option('--ignore-errors', default=False, action='store_true')
     parser.add_option('--kotlin', default=False, action='store_true')
-    return parser.parse_args() 
- 
- 
-COLORING = { 
-    r'^(?P<path>.*):(?P<line>\d*): error: (?P<msg>.*)': lambda m: '[[unimp]]{path}[[rst]]:[[alt2]]{line}[[rst]]: [[c:light-red]]error[[rst]]: [[bad]]{msg}[[rst]]'.format( 
-        path=m.group('path'), 
-        line=m.group('line'), 
-        msg=m.group('msg'), 
-    ), 
-    r'^(?P<path>.*):(?P<line>\d*): warning: (?P<msg>.*)': lambda m: '[[unimp]]{path}[[rst]]:[[alt2]]{line}[[rst]]: [[c:light-yellow]]warning[[rst]]: {msg}'.format( 
-        path=m.group('path'), 
-        line=m.group('line'), 
-        msg=m.group('msg'), 
-    ), 
-    r'^warning: ': lambda m: '[[c:light-yellow]]warning[[rst]]: ', 
-    r'^error: (?P<msg>.*)': lambda m: '[[c:light-red]]error[[rst]]: [[bad]]{msg}[[rst]]'.format(msg=m.group('msg')), 
-    r'^Note: ': lambda m: '[[c:light-cyan]]Note[[rst]]: ', 
-} 
- 
- 
-def colorize(err): 
-    for regex, sub in COLORING.iteritems(): 
-        err = re.sub(regex, sub, err, flags=re.MULTILINE) 
-    return err 
- 
- 
-def remove_notes(err): 
-    return '\n'.join([line for line in err.split('\n') if not line.startswith('Note:')]) 
- 
- 
+    return parser.parse_args()
+
+
+COLORING = {
+    r'^(?P<path>.*):(?P<line>\d*): error: (?P<msg>.*)': lambda m: '[[unimp]]{path}[[rst]]:[[alt2]]{line}[[rst]]: [[c:light-red]]error[[rst]]: [[bad]]{msg}[[rst]]'.format(
+        path=m.group('path'),
+        line=m.group('line'),
+        msg=m.group('msg'),
+    ),
+    r'^(?P<path>.*):(?P<line>\d*): warning: (?P<msg>.*)': lambda m: '[[unimp]]{path}[[rst]]:[[alt2]]{line}[[rst]]: [[c:light-yellow]]warning[[rst]]: {msg}'.format(
+        path=m.group('path'),
+        line=m.group('line'),
+        msg=m.group('msg'),
+    ),
+    r'^warning: ': lambda m: '[[c:light-yellow]]warning[[rst]]: ',
+    r'^error: (?P<msg>.*)': lambda m: '[[c:light-red]]error[[rst]]: [[bad]]{msg}[[rst]]'.format(msg=m.group('msg')),
+    r'^Note: ': lambda m: '[[c:light-cyan]]Note[[rst]]: ',
+}
+
+
+def colorize(err):
+    for regex, sub in COLORING.iteritems():
+        err = re.sub(regex, sub, err, flags=re.MULTILINE)
+    return err
+
+
+def remove_notes(err):
+    return '\n'.join([line for line in err.split('\n') if not line.startswith('Note:')])
+
+
 def find_javac(cmd):
     if not cmd:
         return None
@@ -84,39 +84,39 @@ def fix_cmd(cmd):
     return cmd
 
 
-def main(): 
-    opts, cmd = parse_args() 
- 
-    with open(opts.sources_list) as f: 
-        input_files = f.read().strip().split() 
- 
+def main():
+    opts, cmd = parse_args()
+
+    with open(opts.sources_list) as f:
+        input_files = f.read().strip().split()
+
     if opts.kotlin:
         input_files = [i for i in input_files if i.endswith('.kt')]
 
-    if not input_files: 
-        if opts.verbose: 
-            sys.stderr.write('No files to compile, javac is not launched.\n') 
- 
-    else: 
+    if not input_files:
+        if opts.verbose:
+            sys.stderr.write('No files to compile, javac is not launched.\n')
+
+    else:
         p = subprocess.Popen(fix_cmd(cmd), stderr=subprocess.PIPE)
-        _, err = p.communicate() 
-        rc = p.wait() 
- 
-        if opts.remove_notes: 
-            err = remove_notes(err) 
- 
-        try: 
-            err = colorize(err) 
- 
-        except Exception: 
-            pass 
- 
+        _, err = p.communicate()
+        rc = p.wait()
+
+        if opts.remove_notes:
+            err = remove_notes(err)
+
+        try:
+            err = colorize(err)
+
+        except Exception:
+            pass
+
         if opts.ignore_errors and rc:
             sys.stderr.write('error: javac actually failed with exit code {}\n'.format(rc))
             rc = 0
-        sys.stderr.write(err) 
-        sys.exit(rc) 
- 
- 
-if __name__ == '__main__': 
-    main() 
+        sys.stderr.write(err)
+        sys.exit(rc)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/build/scripts/run_sonar.py b/build/scripts/run_sonar.py
index a1d06d2c41..761cc34b78 100644
--- a/build/scripts/run_sonar.py
+++ b/build/scripts/run_sonar.py
@@ -1,38 +1,38 @@
-import os 
-import sys 
-import zipfile 
-import tarfile 
-import subprocess as sp 
-import optparse 
-import shutil 
+import os
+import sys
+import zipfile
+import tarfile
+import subprocess as sp
+import optparse
+import shutil
 import xml.etree.ElementTree as et
- 
- 
-def parse_args(): 
-    parser = optparse.OptionParser() 
-    parser.add_option( 
-        '--classes-jar-path', 
-        dest='classes_jar_paths', 
-        action='append', 
-        default=[], 
-    ) 
-    parser.add_option('--sources-jar-path') 
-    parser.add_option('--sonar-scanner-jar-path') 
-    parser.add_option('--sonar-scanner-main-class') 
-    parser.add_option('--java-coverage-merged-tar') 
-    parser.add_option('--java-binary-path') 
-    parser.add_option('--log-path') 
+
+
+def parse_args():
+    parser = optparse.OptionParser()
+    parser.add_option(
+        '--classes-jar-path',
+        dest='classes_jar_paths',
+        action='append',
+        default=[],
+    )
+    parser.add_option('--sources-jar-path')
+    parser.add_option('--sonar-scanner-jar-path')
+    parser.add_option('--sonar-scanner-main-class')
+    parser.add_option('--java-coverage-merged-tar')
+    parser.add_option('--java-binary-path')
+    parser.add_option('--log-path')
     parser.add_option('--gcov-report-path')
     parser.add_option('--source-root')
     parser.add_option('--java-args', action='append', default=[])
-    return parser.parse_args() 
- 
- 
-def extract_zip_file(zip_file_path, dest_dir): 
-    with zipfile.ZipFile(zip_file_path) as arch: 
-        arch.extractall(dest_dir) 
- 
- 
+    return parser.parse_args()
+
+
+def extract_zip_file(zip_file_path, dest_dir):
+    with zipfile.ZipFile(zip_file_path) as arch:
+        arch.extractall(dest_dir)
+
+
 def get_source_real_path(source_root, path):
     parts = os.path.normpath(path).split(os.path.sep)
     for i in xrange(len(parts)):
@@ -64,58 +64,58 @@ def collect_cpp_sources(report, source_root, destination):
             os.link(src, dst)
 
 
-def main(opts, props_args): 
-    sources_dir = os.path.abspath('src') 
+def main(opts, props_args):
+    sources_dir = os.path.abspath('src')
     base_props_args = ['-Dsonar.sources=' + sources_dir]
-    os.mkdir(sources_dir) 
+    os.mkdir(sources_dir)
     if opts.sources_jar_path:
         extract_zip_file(opts.sources_jar_path, sources_dir)
     if opts.gcov_report_path:
         collect_cpp_sources(opts.gcov_report_path, opts.source_root, sources_dir)
         base_props_args += ['-Dsonar.projectBaseDir=' + sources_dir, '-Dsonar.cxx.coverage.reportPath=' + opts.gcov_report_path]
- 
-    if opts.classes_jar_paths: 
-        classes_dir = os.path.abspath('cls') 
-        os.mkdir(classes_dir) 
- 
-        for classes_jar_path in opts.classes_jar_paths: 
-            extract_zip_file(classes_jar_path, classes_dir) 
- 
-        base_props_args.append('-Dsonar.java.binaries=' + classes_dir) 
- 
-    if opts.java_coverage_merged_tar: 
-        jacoco_report_path = os.path.abspath('jacoco.exec') 
-        with open(jacoco_report_path, 'w') as dest: 
-            with tarfile.open(opts.java_coverage_merged_tar) as tar: 
-                for src in tar: 
+
+    if opts.classes_jar_paths:
+        classes_dir = os.path.abspath('cls')
+        os.mkdir(classes_dir)
+
+        for classes_jar_path in opts.classes_jar_paths:
+            extract_zip_file(classes_jar_path, classes_dir)
+
+        base_props_args.append('-Dsonar.java.binaries=' + classes_dir)
+
+    if opts.java_coverage_merged_tar:
+        jacoco_report_path = os.path.abspath('jacoco.exec')
+        with open(jacoco_report_path, 'w') as dest:
+            with tarfile.open(opts.java_coverage_merged_tar) as tar:
+                for src in tar:
                     extracted = tar.extractfile(src)
                     if extracted is not None:
                         shutil.copyfileobj(extracted, dest)
- 
-        base_props_args += [ 
-            '-Dsonar.core.codeCoveragePlugin=jacoco', 
-            '-Dsonar.jacoco.reportPath=' + jacoco_report_path 
-        ] 
+
+        base_props_args += [
+            '-Dsonar.core.codeCoveragePlugin=jacoco',
+            '-Dsonar.jacoco.reportPath=' + jacoco_report_path
+        ]
     java_args = ['-{}'.format(i) for i in opts.java_args] + ['-Djava.net.preferIPv6Addresses=true', '-Djava.net.preferIPv4Addresses=false']
- 
-    sonar_cmd = [ 
-        opts.java_binary_path, 
+
+    sonar_cmd = [
+        opts.java_binary_path,
     ] + java_args + [
-        '-classpath', 
-        opts.sonar_scanner_jar_path, 
+        '-classpath',
+        opts.sonar_scanner_jar_path,
     ] + base_props_args + props_args + [opts.sonar_scanner_main_class, '-X']
- 
-    p = sp.Popen(sonar_cmd, stdout=sp.PIPE, stderr=sp.STDOUT) 
-    out, _ = p.communicate() 
- 
-    sys.stderr.write(out) 
+
+    p = sp.Popen(sonar_cmd, stdout=sp.PIPE, stderr=sp.STDOUT)
+    out, _ = p.communicate()
+
+    sys.stderr.write(out)
     with open(opts.log_path, 'a') as f:
-        f.write(out) 
- 
-    sys.exit(p.returncode) 
- 
- 
-if __name__ == '__main__': 
-    opts, args = parse_args() 
-    props_args = ['-D' + arg for arg in args] 
-    main(opts, props_args) 
+        f.write(out)
+
+    sys.exit(p.returncode)
+
+
+if __name__ == '__main__':
+    opts, args = parse_args()
+    props_args = ['-D' + arg for arg in args]
+    main(opts, props_args)
diff --git a/build/scripts/stderr2stdout.py b/build/scripts/stderr2stdout.py
index f47803a450..0e510da373 100644
--- a/build/scripts/stderr2stdout.py
+++ b/build/scripts/stderr2stdout.py
@@ -1,6 +1,6 @@
-import subprocess 
-import sys 
- 
-if __name__ == '__main__': 
-    assert len(sys.argv) > 1 
-    sys.exit(subprocess.Popen(sys.argv[1:], stderr=sys.stdout).wait()) 
+import subprocess
+import sys
+
+if __name__ == '__main__':
+    assert len(sys.argv) > 1
+    sys.exit(subprocess.Popen(sys.argv[1:], stderr=sys.stdout).wait())
diff --git a/build/scripts/tared_protoc.py b/build/scripts/tared_protoc.py
index 3207b54b1d..7643e1dbfe 100644
--- a/build/scripts/tared_protoc.py
+++ b/build/scripts/tared_protoc.py
@@ -1,31 +1,31 @@
-import os 
-import optparse 
-import tarfile 
-import contextlib 
-import subprocess as sp 
- 
- 
-def parse_args(): 
-    parser = optparse.OptionParser() 
-    parser.disable_interspersed_args() 
-    parser.add_option('--tar-output') 
-    parser.add_option('--protoc-out-dir') 
-    return parser.parse_args() 
- 
- 
-def main(): 
-    opts, args = parse_args() 
-    assert opts.tar_output 
-    assert opts.protoc_out_dir 
- 
-    if not os.path.exists(opts.protoc_out_dir): 
-        os.makedirs(opts.protoc_out_dir) 
- 
-    sp.check_call(args) 
- 
-    with contextlib.closing(tarfile.open(opts.tar_output, 'w')) as tf: 
-        tf.add(opts.protoc_out_dir, arcname='') 
- 
- 
-if __name__ == '__main__': 
-    main() 
+import os
+import optparse
+import tarfile
+import contextlib
+import subprocess as sp
+
+
+def parse_args():
+    parser = optparse.OptionParser()
+    parser.disable_interspersed_args()
+    parser.add_option('--tar-output')
+    parser.add_option('--protoc-out-dir')
+    return parser.parse_args()
+
+
+def main():
+    opts, args = parse_args()
+    assert opts.tar_output
+    assert opts.protoc_out_dir
+
+    if not os.path.exists(opts.protoc_out_dir):
+        os.makedirs(opts.protoc_out_dir)
+
+    sp.check_call(args)
+
+    with contextlib.closing(tarfile.open(opts.tar_output, 'w')) as tf:
+        tf.add(opts.protoc_out_dir, arcname='')
+
+
+if __name__ == '__main__':
+    main()
diff --git a/build/scripts/unpacking_jtest_runner.py b/build/scripts/unpacking_jtest_runner.py
index 8b23e3ed26..9730dcd711 100644
--- a/build/scripts/unpacking_jtest_runner.py
+++ b/build/scripts/unpacking_jtest_runner.py
@@ -3,25 +3,25 @@ import json
 import optparse
 import os
 import sys
-import subprocess 
+import subprocess
 import time
 import zipfile
 import platform
- 
-# This script changes test run classpath by unpacking tests.jar -> tests-dir. The goal 
-# is to launch tests with the same classpath as maven does. 
- 
- 
-def parse_args(): 
-    parser = optparse.OptionParser() 
-    parser.disable_interspersed_args() 
+
+# This script changes test run classpath by unpacking tests.jar -> tests-dir. The goal
+# is to launch tests with the same classpath as maven does.
+
+
+def parse_args():
+    parser = optparse.OptionParser()
+    parser.disable_interspersed_args()
     parser.add_option('--trace-file')
-    parser.add_option('--jar-binary') 
-    parser.add_option('--tests-jar-path') 
+    parser.add_option('--jar-binary')
+    parser.add_option('--tests-jar-path')
     parser.add_option('--classpath-option-type', choices=('manifest', 'command_file', 'list'), default='manifest')
-    return parser.parse_args() 
- 
- 
+    return parser.parse_args()
+
+
 # temporary, for jdk8/jdk9+ compatibility
 def fix_cmd(cmd):
     if not cmd:
@@ -88,18 +88,18 @@ def make_command_file_from_cp(class_path, out):
         cp_file.write(os.pathsep.join(class_path))
 
 
-def main(): 
+def main():
     s = time.time()
-    opts, args = parse_args() 
- 
-    # unpack tests jar 
-    try: 
+    opts, args = parse_args()
+
+    # unpack tests jar
+    try:
         build_root = args[args.index('--build-root') + 1]
         dest = os.path.join(build_root, 'test-classes')
-    except Exception: 
+    except Exception:
         build_root = ''
-        dest = os.path.abspath('test-classes') 
- 
+        dest = os.path.abspath('test-classes')
+
     extract_jars(dest, opts.tests_jar_path)
 
     metrics = {
@@ -107,7 +107,7 @@ def main():
     }
 
     s = time.time()
-    # fix java classpath 
+    # fix java classpath
     cp_idx = args.index('-classpath')
     if args[cp_idx + 1].startswith('@'):
         real_name = args[cp_idx + 1][1:]
@@ -137,12 +137,12 @@ def main():
     if opts.trace_file:
         dump_chunk_event({'metrics': metrics}, opts.trace_file)
 
-    # run java cmd 
+    # run java cmd
     if platform.system() == 'Windows':
         sys.exit(subprocess.Popen(args).wait())
     else:
         os.execv(args[0], args)
- 
- 
-if __name__ == '__main__': 
-    main() 
+
+
+if __name__ == '__main__':
+    main()
diff --git a/build/scripts/writer.py b/build/scripts/writer.py
index 7eceef9ccd..21bb3006e5 100644
--- a/build/scripts/writer.py
+++ b/build/scripts/writer.py
@@ -1,10 +1,10 @@
 import sys
 import argparse
- 
+
 import process_command_files as pcf
- 
 
-def parse_args(): 
+
+def parse_args():
     args = pcf.get_args(sys.argv[1:])
     parser = argparse.ArgumentParser()
     parser.add_argument('-f', '--file', dest='file_path')
@@ -15,7 +15,7 @@ def parse_args():
     parser.add_argument('-m', '--content-multiple', nargs='*', dest='content')
     parser.add_argument('-P', '--path-list', action='store_true', default=False)
     return parser.parse_args(args)
- 
+
 
 def smart_shell_quote(v):
     if v is None:
@@ -23,11 +23,11 @@ def smart_shell_quote(v):
     if ' ' in v or '"' in v or "'" in v:
         return "\"{0}\"".format(v.replace('"', '\\"'))
     return v
- 
-if __name__ == '__main__': 
+
+if __name__ == '__main__':
     args = parse_args()
     open_type = 'a' if args.append else 'w'
- 
+
     content = args.content
     if args.quote:
         content = [smart_shell_quote(ln) for ln in content] if content is not None else None
diff --git a/build/sysincl/darwin.yml b/build/sysincl/darwin.yml
index 04a6cc2ce6..582c7e1202 100644
--- a/build/sysincl/darwin.yml
+++ b/build/sysincl/darwin.yml
@@ -99,7 +99,7 @@
   - net/if_dl.h
   - net/if_media.h
   - net/if_types.h
-  - net/if_var.h 
+  - net/if_var.h
   - netinet/in_pcb.h
   - netinet/ip_var.h
   - netinet/tcp_fsm.h
@@ -115,7 +115,7 @@
   - os/proc.h
   - os/trace.h
   - panel.h
-  - pthread_spis.h 
+  - pthread_spis.h
   - readline/history.h
   - readline/readline.h
   - readpassphrase.h
@@ -179,7 +179,7 @@
   - CoreFoundation/CFPreferences.h
   - CoreFoundation/CFRunLoop.h
   - CoreFoundation/CFString.h
-  - CoreFoundation/CFTimeZone.h 
+  - CoreFoundation/CFTimeZone.h
   - CoreFoundation/CFUUID.h
   - CoreFoundation/CoreFoundation.h
   - CoreGraphics/CoreGraphics.h
diff --git a/build/sysincl/intrinsic.yml b/build/sysincl/intrinsic.yml
index 2e89f67c48..9355b61c13 100644
--- a/build/sysincl/intrinsic.yml
+++ b/build/sysincl/intrinsic.yml
@@ -32,11 +32,11 @@
   - rtmintrin.h
   - s390intrin.h
   - sanitizer/asan_interface.h
-  - sanitizer/common_interface_defs.h 
+  - sanitizer/common_interface_defs.h
   - sanitizer/coverage_interface.h
   - sanitizer/lsan_interface.h
   - sanitizer/msan_interface.h
-  - sanitizer/tsan_interface.h 
+  - sanitizer/tsan_interface.h
   - sanitizer/tsan_interface_atomic.h
   - smmintrin.h
   - tbmintrin.h
diff --git a/build/sysincl/misc.yml b/build/sysincl/misc.yml
index 28adc3a0a6..e9e6095888 100644
--- a/build/sysincl/misc.yml
+++ b/build/sysincl/misc.yml
@@ -420,20 +420,20 @@
 - source_filter: "^contrib/libs/dpdk/"
   includes:
     - process.h: contrib/libs/dpdk/drivers/bus/dpaa/include/process.h
- 
+
 - source_filter: "^contrib/libs/dpdk_arm64/"
   includes:
     - process.h: contrib/libs/dpdk_arm64/drivers/bus/dpaa/include/process.h
 
-- source_filter: "^contrib/libs/usrsctp/" 
-  includes: 
-    - netinet/sctp_uio.h: contrib/libs/usrsctp/usrsctplib/netinet/sctp_uio.h 
- 
-- source_filter: "^contrib/libs/libsrtp/" 
-  includes: 
-  - alloc.h: contrib/libs/libsrtp/crypto/include/alloc.h 
-  - err.h: contrib/libs/libsrtp/crypto/include/err.h 
-  - stat.h: contrib/libs/libsrtp/crypto/include/stat.h 
+- source_filter: "^contrib/libs/usrsctp/"
+  includes:
+    - netinet/sctp_uio.h: contrib/libs/usrsctp/usrsctplib/netinet/sctp_uio.h
+
+- source_filter: "^contrib/libs/libsrtp/"
+  includes:
+  - alloc.h: contrib/libs/libsrtp/crypto/include/alloc.h
+  - err.h: contrib/libs/libsrtp/crypto/include/err.h
+  - stat.h: contrib/libs/libsrtp/crypto/include/stat.h
 
 - source_filter: "^contrib/restricted/openal-soft"
   includes:
diff --git a/build/sysincl/stl-to-libcxx.yml b/build/sysincl/stl-to-libcxx.yml
index 66b3dac844..7d9600f345 100644
--- a/build/sysincl/stl-to-libcxx.yml
+++ b/build/sysincl/stl-to-libcxx.yml
@@ -48,7 +48,7 @@
   - __config:                  contrib/libs/cxxsupp/libcxx/include/__config
   - __undef_macros:            contrib/libs/cxxsupp/libcxx/include/__undef_macros
   - algorithm:                 contrib/libs/cxxsupp/libcxx/include/algorithm
-  - any:                       contrib/libs/cxxsupp/libcxx/include/any 
+  - any:                       contrib/libs/cxxsupp/libcxx/include/any
   - array:                     contrib/libs/cxxsupp/libcxx/include/array
   - atomic:                    contrib/libs/cxxsupp/libcxx/include/atomic
   - bit:                       contrib/libs/cxxsupp/libcxx/include/bit
diff --git a/build/sysincl/stl-to-nothing.yml b/build/sysincl/stl-to-nothing.yml
index 62c534b1f4..c7e27d1411 100644
--- a/build/sysincl/stl-to-nothing.yml
+++ b/build/sysincl/stl-to-nothing.yml
@@ -31,7 +31,7 @@
   - __config
   - __undef_macros
   - algorithm
-  - any 
+  - any
   - array
   - atomic
   - bit
diff --git a/build/sysincl/unsorted.yml b/build/sysincl/unsorted.yml
index bd33e5853c..a889b923a0 100644
--- a/build/sysincl/unsorted.yml
+++ b/build/sysincl/unsorted.yml
@@ -266,8 +266,8 @@
   - unlocked-io.h
   - cygwin/version.h
   - zircon/syscalls.h
-  - zircon/types.h 
-  - zircon/process.h 
+  - zircon/types.h
+  - zircon/process.h
   - sys/linux-syscalls.h
   - tr1/memory
   - android/log.h
@@ -289,21 +289,21 @@
   - machine/fpu.h
   - malloc_np.h
   - netinet/sctp_uio.h
-  - netinet/ip_options.h 
-  - netinet/sctp_kdtrace.h 
-  - netinet/sctp_lock_bsd.h 
-  - netinet/sctp_lock_empty.h 
-  - netinet/sctp_os_bsd.h 
-  - netinet6/in6_pcb.h 
-  - netinet6/ip6_var.h 
-  - netinet6/ip6protosw.h 
-  - netinet6/scope6_var.h 
-  - netipsec/ipsec.h 
-  - netipsec/ipsec6.h 
-  - netipsec/key.h 
+  - netinet/ip_options.h
+  - netinet/sctp_kdtrace.h
+  - netinet/sctp_lock_bsd.h
+  - netinet/sctp_lock_empty.h
+  - netinet/sctp_os_bsd.h
+  - netinet6/in6_pcb.h
+  - netinet6/ip6_var.h
+  - netinet6/ip6protosw.h
+  - netinet6/scope6_var.h
+  - netipsec/ipsec.h
+  - netipsec/ipsec6.h
+  - netipsec/key.h
   - opie.h
   - osreldate.h
-  - opt_sctp.h 
+  - opt_sctp.h
   - pthread_np.h
   - ripemd.h
   - sha.h
@@ -313,22 +313,22 @@
   - sys/cpuset.h
   - sys/disklabel.h
   - sys/endian.h
-  - sys/eventhandler.h 
+  - sys/eventhandler.h
   - sys/exec.h
   - sys/extattr.h
-  - sys/filedesc.h 
-  - sys/gsb_crc32.h 
+  - sys/filedesc.h
+  - sys/gsb_crc32.h
   - sys/jail.h
   - sys/ktrace.h
   - sys/machine.h
   - sys/module.h
   - sys/mpctl.h
   - sys/mutex.h
-  - sys/rwlock.h 
+  - sys/rwlock.h
   - sys/semaphore.h
-  - sys/smp.h 
+  - sys/smp.h
   - sys/stdint.h
-  - sys/systm.h 
+  - sys/systm.h
   - sys/thr.h
   - sys/timespec.h
   - sys/umtx.h
@@ -613,7 +613,7 @@
   - tpf/sysapi.h
   #endif
   - asm/page.h
-  - asm/sgidefs.h 
+  - asm/sgidefs.h
   - wrl\client.h
   - wrl\event.h
   - wrl\wrappers\corewrappers.h
diff --git a/build/sysincl/windows.yml b/build/sysincl/windows.yml
index a6858cb70f..26ae7b5bfa 100644
--- a/build/sysincl/windows.yml
+++ b/build/sysincl/windows.yml
@@ -164,8 +164,8 @@
   - oleacc.h
   - oleauto.h
   - olectl.h
-  - packon.h 
-  - packoff.h 
+  - packon.h
+  - packoff.h
   - pathcch.h
   - p2p.h
   - pdh.h
@@ -305,7 +305,7 @@
   - ws2bth.h
   - ws2def.h
   - ws2ipdef.h
-  - ws2spi.h 
+  - ws2spi.h
   - ws2tcpip.h
   - wscapi.h
   - wspiapi.h
diff --git a/build/ya.conf.json b/build/ya.conf.json
index a93447e052..5f7cc875d6 100644
--- a/build/ya.conf.json
+++ b/build/ya.conf.json
@@ -1074,14 +1074,14 @@
                 }
             ]
         },
-        "maven_import_sandbox_uploader": { 
-            "tools": { 
+        "maven_import_sandbox_uploader": {
+            "tools": {
                 "maven_import_sandbox_uploader": {
                     "bottle": "maven_import_sandbox_uploader",
                     "executable": "maven_import_sandbox_uploader"
                 }
-            }, 
-            "platforms": [ 
+            },
+            "platforms": [
                 {
                     "host": {
                         "os": "LINUX"
@@ -1107,8 +1107,8 @@
                     },
                     "default": true
                 }
-            ] 
-        }, 
+            ]
+        },
         "arc": {
             "tools": {
                 "arc": {
@@ -5784,17 +5784,17 @@
                 ]
             }
         },
-        "maven_import_sandbox_uploader": { 
-            "formula": { 
+        "maven_import_sandbox_uploader": {
+            "formula": {
                 "sandbox_id": 1031028343,
-                "match": "uploader" 
-            }, 
-            "executable": { 
+                "match": "uploader"
+            },
+            "executable": {
                 "maven_import_sandbox_uploader": [
                     "uploader"
                 ]
-            } 
-        }, 
+            }
+        },
         "arc": {
             "formula": {
                 "sandbox_id": [
diff --git a/build/ymake.core.conf b/build/ymake.core.conf
index de815934b4..081833998b 100644
--- a/build/ymake.core.conf
+++ b/build/ymake.core.conf
@@ -936,7 +936,7 @@ otherwise {
 macro _JAVA_PROTO_CMD(File) {
     .CMD=${cwd;rootdir;input:File} $YMAKE_PYTHON ${input:"build/scripts/tared_protoc.py"} --tar-output ${output;norel;nopath;noext;suf=.jsrc:File} --protoc-out-dir $ARCADIA_BUILD_ROOT/java_out $PROTOC -I=./$PROTO_NAMESPACE ${pre=-I=:_PROTO__INCLUDE} -I=$ARCADIA_ROOT $_JAVA_PROTO_OUT_ARG$ARCADIA_BUILD_ROOT/java_out ${input;rootrel:File} ${kv;hide:"p PB"} ${kv;hide:"pc yellow"} $JAVA_PROTO_ARGS
 }
- 
+
 
 # tag:proto tag:perl-specific tag:deprecated
 ### @usage: XS_PROTO(InputProto Dir Outputs...) # deprecated
@@ -966,8 +966,8 @@ when ($PY_PROTOS_FOR == "yes") {
 macro _PY_EVLOG_CMD_BASE(File, Suf, Args...) {
     .CMD=$_PY_PROTO_CMD_BASE($File $Suf $Args)
     .PEERDIR=library/cpp/eventlog/proto
-} 
- 
+}
+
 # tag:python-specific tag:proto
 macro _PY_EVLOG_CMD(File) {
     .CMD=${cwd;rootdir;input:File} $_PY_EVLOG_CMD_BASE($File _ev_pb2.py)
@@ -982,8 +982,8 @@ macro _PY_EVLOG_CMD_INTERNAL(File) {
 macro _JAVA_EVLOG_CMD(File) {
     .CMD=$COPY_CMD ${input:File} ${output;nopath;noext;norel;suf=_ev.proto:File} ${kv;hide:"p EV"} ${kv;hide:"pc yellow"}
     .PEERDIR=library/cpp/eventlog/proto
-} 
- 
+}
+
 # tag:sanitize
 RUN_NO_SANITIZE=$YMAKE_PYTHON ${input:"build/scripts/run_tool.py"} --
 
@@ -2461,8 +2461,8 @@ module LIBRARY: _LIBRARY {
     SET(MODULE_LANG CPP)
 
     ADD_CLANG_TIDY()
-} 
- 
+}
+
 # tag:internal
 ### @usage: _BARE_MODULE() # internal
 ###
@@ -2980,8 +2980,8 @@ module _DLL_COMPATIBLE_LIBRARY: LIBRARY {
 
 # as SRCS in packages use macro BUNDLE_SRCS!
 
-PACKED_PACKAGE_ARGS= 
-PACKED_PACKAGE_EXT= 
+PACKED_PACKAGE_ARGS=
+PACKED_PACKAGE_EXT=
 ### @usage: PACK(archive_type)
 ###
 ### When placed inside the PACKAGE module, packs the build results tree to the archive with specified extension. Currently supported extensions are `tar` and `tar.gz`
@@ -2991,8 +2991,8 @@ PACKED_PACKAGE_EXT=
 ### @see: [PACKAGE()](#module_PACKAGE)
 macro PACK(Ext) {
     SET(PACKED_PACKAGE_EXT $Ext)
-} 
- 
+}
+
 PACKAGE_STRICT_VALUE=
 macro PACKAGE_STRICT() {
     SET(PACKAGE_STRICT_VALUE yes)
@@ -3416,7 +3416,7 @@ module EXTERNAL_JAVA_LIBRARY: _BASE_UNIT {
     .ALIASES=SRCS=_SRCS_NO_GLOBAL
     .ALLOWED=EMBED_JAVA_VCS_INFO
     .RESTRICTED=EXTERNAL_JAR
- 
+
     PEERDIR(build/platform/java/jdk)
     PEERDIR+=$JDK_RESOURCE_PEERDIR
 
@@ -3426,17 +3426,17 @@ module EXTERNAL_JAVA_LIBRARY: _BASE_UNIT {
     MACRO_ALIAS(PROTO_CMD _JAVA_PROTO_CMD)
     MACRO_ALIAS(EVLOG_CMD _JAVA_EVLOG_CMD)
     MACRO_ALIAS(FBS_CMD _JAVA_FLATC_CMD)
- 
+
     when ($PACKAGE_PREFIX) {
         PACKAGE_PREFIX_ARGS=--package-prefix=$PACKAGE_PREFIX
     }
- 
+
     DISABLE(NEED_PLATFORM_PEERDIRS)
     NO_PLATFORM()
     SET(MODULE_SUFFIX .jar)
     SET(MODULE_LANG JAVA)
-} 
- 
+}
+
 # tag:java-specific
 ALL_JAR_SOURCES=
 LINT_JAVA_SOURCES=
@@ -4050,8 +4050,8 @@ module PY2_LIBRARY: _LIBRARY {
         PY_PROTO_MYPY_PLUGIN_INTERNAL=$PY_PROTO_MYPY_PLUGIN_BASE ${output;hide;noauto;norel;nopath;noext;suf=__int___pb2.pyi:File} ${hide;kv:"ext_out_name_for_${nopath;noext;suf=__int___pb2.pyi:File} ${nopath;noext;suf=_pb2.pyi:File}"})
     }
     SET(MODULE_LANG PY2)
-} 
- 
+}
+
 
 ### @usage: _PY3_LIBRARY()
 ###
@@ -4148,8 +4148,8 @@ module _BASE_PY_PROGRAM: _BASE_PROGRAM {
     .IGNORED=GENERATE_ENUM_SERIALIZATION GENERATE_ENUM_SERIALIZATION_WITH_HEADER USE_PYTHON2
     .RESTRICTED=PYTHON3_ADDINCL USE_PYTHON3 PYTHON2_ADDINCL OPTIMIZE_PY_PROTOS NO_OPTIMIZE_PY_PROTOS
     SET(MODULE_LANG PY2)
-} 
- 
+}
+
 # tag:python-specific tag:codenav
 when ($CODENAVIGATION && $NOCODENAVIGATION != "yes") {
     PY3_PROGRAM_LINK_EXE=$LINK_EXE ${kv;hide:"py3yndex $TARGET"}
@@ -4420,7 +4420,7 @@ when ($JDK_VERSION == "8") {
 # tag:java-specific
 COMPILE_JAVA=${cwd:ARCADIA_BUILD_ROOT} $YMAKE_PYTHON ${input:"build/scripts/compile_java.py"} --javac-bin $JDK_RESOURCE/bin/javac --jar-bin $JDK_RESOURCE/bin/jar $JAVA_VCS_MF_ARG $PACKAGE_PREFIX_ARGS --jar-output $TARGET --srcs-jar-output ${output;suf=-sources.jar:REALPRJNAME} $AUTO_INPUT DELIM $JAVAC_OPTS DELIM $PEERS ${requirements;hide:JAVA_REQUIREMENTS} ${kv;hide:"p JV"} ${kv;hide:"pc light-blue"} ${kv;hide:"show_out"} ${kv;hide:"PEERS $PEERS"}
 REAL_SWIG_DLL_JAR_CMD=$GENERATE_VCS_JAVA_INFO_NODEP && ${cwd:ARCADIA_BUILD_ROOT} $YMAKE_PYTHON ${input:"build/scripts/build_dll_and_java.py"} $JAVA_SWIG_DELIM $REAL_LINK_DYN_LIB $JAVA_SWIG_DELIM $COMPILE_JAVA $JAVA_SWIG_DELIM $AUTO_INPUT $JAVA_SWIG_DELIM $TARGET $JAVA_SWIG_DELIM ${output;suf=.jar:REALPRJNAME} $JAVA_SWIG_DELIM ${output;suf=-sources.jar:REALPRJNAME} $JAVA_SWIG_DELIM $ARCADIA_BUILD_ROOT $ARCADIA_ROOT
- 
+
 # tag:deprecated
 ### @usage: METAQUERY() #deprecated
 ###
@@ -4433,9 +4433,9 @@ module METAQUERY: _BASE_UNIT  {
     PRINT_MODULE_TYPE(METAQUERY $MODULE_PREFIX$REALPRJNAME)
 }
 
-ARGS_DELIM="MACRO_CALLS_DELIM" 
- 
-SYSTEM_PROPERTIES_VALUE= 
+ARGS_DELIM="MACRO_CALLS_DELIM"
+
+SYSTEM_PROPERTIES_VALUE=
 ### @usage: SYSTEM_PROPERTIES([<Key Value>...] [<File Path>...])
 ###
 ### List of Key,Value pairs that will be available to test via System.getProperty().
@@ -4444,10 +4444,10 @@ SYSTEM_PROPERTIES_VALUE=
 ### Documentation: https://wiki.yandex-team.ru/yatool/test/
 macro SYSTEM_PROPERTIES(Args...) {
     SET_APPEND(SYSTEM_PROPERTIES_VALUE $Args)
-} 
- 
+}
+
 # tag:java-specific
-JVM_ARGS_VALUE= 
+JVM_ARGS_VALUE=
 ### @usage: JVM_ARGS(Args...)
 ###
 ### Arguments to run Java programs in tests.
@@ -4455,8 +4455,8 @@ JVM_ARGS_VALUE=
 ### Documentation: https://wiki.yandex-team.ru/yatool/test/
 macro JVM_ARGS(Args...) {
     SET_APPEND(JVM_ARGS_VALUE $Args)
-} 
- 
+}
+
 # tag:java-specific
 CHECK_JAVA_DEPS_VALUE=
 ### @usage: CHECK_JAVA_DEPS(<yes|no>)
@@ -4476,7 +4476,7 @@ macro USE_ERROR_PRONE() {
     SET(ERROR_PRONE_VALUE yes)
 }
 
-TEST_CWD_VALUE= 
+TEST_CWD_VALUE=
 ### @usage: TEST_CWD(path)
 ###
 ### Defines working directory for test runs. Othen used in conjunction with DATA() macro.
@@ -4485,8 +4485,8 @@ TEST_CWD_VALUE=
 ### Documentation: https://wiki.yandex-team.ru/yatool/test/
 macro TEST_CWD(Arg) {
     SET(TEST_CWD_VALUE $Arg)
-} 
- 
+}
+
 # tag:java-specific
 MAKE_UBERJAR_VALUE=
 ### @usage: UBERJAR()
@@ -4640,15 +4640,15 @@ macro IDEA_MODULE_NAME(Name) {
 }
 
 # tag:java-specific
-JAVAC_FLAGS_VALUE= 
+JAVAC_FLAGS_VALUE=
 ### @usage: JAVAC_FLAGS(Args...)
 ###
 ### Set additional Java compilation flags.
 macro JAVAC_FLAGS(Args...) {
     SET_APPEND(JAVAC_OPTS $Args)
     SET_APPEND(JAVAC_FLAGS_VALUE $ARGS_DELIM $Args)
-} 
- 
+}
+
 # tag:java-specific
 ENABLE_PREVIEW_VALUE=
 ### @usage: ENABLE_PREVIEW()
@@ -4682,26 +4682,26 @@ macro MAVEN_GROUP_ID(Arg) {
 }
 
 # tag:java-specific
-ANNOTATION_PROCESSOR_VALUE= 
+ANNOTATION_PROCESSOR_VALUE=
 ### @usage: ANNOTATION_PROCESSOR(processors...)
 ###
 ### The macro is in development.
 ### Used to specify annotation processors to build JAVA_PROGRAM() and JAVA_LIBRARY().
 macro ANNOTATION_PROCESSOR(Args...) {
     SET_APPEND(ANNOTATION_PROCESSOR_VALUE $ARGS_DELIM $Args)
-} 
- 
-EXCLUDE_VALUE= 
+}
+
+EXCLUDE_VALUE=
 ### EXCLUDE(prefixes)
 ###
 ### The macro is in development.
 ### Specifies which libraries should be excluded from the classpath.
 macro EXCLUDE(Args...) {
     SET_APPEND(EXCLUDE_VALUE $ARGS_DELIM $Args)
-} 
- 
+}
+
 # tag:java-specific
-JAVA_SRCS_VALUE= 
+JAVA_SRCS_VALUE=
 ### @usage: JAVA_SRCS(srcs)
 ###
 ### Specify java source files and resources. A macro can be contained in any of four java modules.
@@ -4728,8 +4728,8 @@ JAVA_SRCS_VALUE=
 ### Documentation: https://wiki.yandex-team.ru/yatool/java/#javasrcs
 macro JAVA_SRCS(Args...) {
     SET_APPEND(JAVA_SRCS_VALUE $ARGS_DELIM $Args)
-} 
- 
+}
+
 # tag:java-specific
 JAVA_ADD_DLLS_VALUE=no
 macro ADD_DLLS_TO_JAR() {
@@ -4752,7 +4752,7 @@ TEST_CLASSPATH_VALUE=
 TEST_CLASSPATH_MANAGED=
 
 # tag:java-specific
-DEPENDENCY_MANAGEMENT_VALUE= 
+DEPENDENCY_MANAGEMENT_VALUE=
 ### @usage: DEPENDENCY_MANAGEMENT(path/to/lib1 path/to/lib2 ...)
 ###
 ### Lock version of the library from the contrib/java at some point, so that all unversioned PEERDIRs to this library refer to the specified version.
@@ -4773,8 +4773,8 @@ DEPENDENCY_MANAGEMENT_VALUE=
 macro DEPENDENCY_MANAGEMENT(Args...) {
     SET_APPEND(DEPENDENCY_MANAGEMENT_VALUE $ARGS_DELIM $Args)
     _GHOST_PEERDIR($Args)
-} 
- 
+}
+
 # tag:java-specific
 WITH_JDK_VALUE=
 ### @usage: WITH_JDK()
@@ -4921,8 +4921,8 @@ module _JAVA_PLACEHOLDER: _BASE_UNIT  {
     DEPENDENCY_MANAGEMENT(contrib/java/com/google/protobuf/protobuf-java-util/${JAVA_PROTO_RUNTIME_VERSION})
     CHECK_DEPENDENT_DIRS(DENY PEERDIRS contrib/java/com/google/protobuf/protobuf-java-util EXCEPT contrib/java/com/google/protobuf/protobuf-java-util/${JAVA_PROTO_RUNTIME_VERSION})
     SET(MODULE_LANG JAVA)
-} 
- 
+}
+
 # tag:java-specific
 JAVA_CLASSPATH_CMD_TYPE_VALUE=
 
@@ -7113,7 +7113,7 @@ when ($MSVC == "yes") {
 otherwise {
     C_AS_CXX_FLAGS=-x c++ -std=c++17
 }
- 
+
 # tag:cpp-specific
 ### @usage: COMPILE_C_AS_CXX()
 ###
diff --git a/build/ymake_conf.py b/build/ymake_conf.py
index b5f9ae5655..30219eb85e 100755
--- a/build/ymake_conf.py
+++ b/build/ymake_conf.py
@@ -55,7 +55,7 @@ class Platform(object):
         self.is_intel = self.is_x86 or self.is_x86_64
 
         self.is_armv7 = self.arch in ('armv7', 'armv7a', 'armv7a_neon', 'arm', 'armv7a_cortex_a9', 'armv7ahf_cortex_a35', 'armv7ahf_cortex_a53')
-        self.is_armv8 = self.arch in ('armv8', 'armv8a', 'arm64', 'aarch64', 'armv8a_cortex_a35', 'armv8a_cortex_a53') 
+        self.is_armv8 = self.arch in ('armv8', 'armv8a', 'arm64', 'aarch64', 'armv8a_cortex_a35', 'armv8a_cortex_a53')
         self.is_armv8m = self.arch in ('armv8m_cortex_m33',)
         self.is_arm64 = self.arch in ('arm64',)
         self.is_arm = self.is_armv7 or self.is_armv8 or self.is_armv8m
@@ -70,10 +70,10 @@ class Platform(object):
                 self.armv7_float_abi = 'softfp'
 
         self.is_cortex_a9 = self.arch in ('armv7a_cortex_a9',)
-        self.is_cortex_a35 = self.arch in ('armv7ahf_cortex_a35', 'armv8a_cortex_a35') 
-        self.is_cortex_a53 = self.arch in ('armv7ahf_cortex_a53', 'armv8a_cortex_a53') 
+        self.is_cortex_a35 = self.arch in ('armv7ahf_cortex_a35', 'armv8a_cortex_a35')
+        self.is_cortex_a53 = self.arch in ('armv7ahf_cortex_a53', 'armv8a_cortex_a53')
         self.is_cortex_m33 = self.arch in ('armv8m_cortex_m33',)
- 
+
         self.is_power8le = self.arch == 'ppc64le'
         self.is_power9le = self.arch == 'power9le'
         self.is_powerpc = self.is_power8le or self.is_power9le
@@ -150,7 +150,7 @@ class Platform(object):
             (self.is_i686, 'ARCH_I686'),
             (self.is_x86_64, 'ARCH_X86_64'),
             (self.is_armv7, 'ARCH_ARM7'),
-            (self.is_armv7_neon, 'ARCH_ARM7_NEON'), 
+            (self.is_armv7_neon, 'ARCH_ARM7_NEON'),
             (self.is_armv8, 'ARCH_ARM64'),
             (self.is_armv8m, 'ARCH_ARM8M'),
             (self.is_arm, 'ARCH_ARM'),
@@ -783,7 +783,7 @@ when (($USEMPROF == "yes") || ($USE_MPROF == "yes")) {
 
         for variable in self.platform.os_variables:
             emit(variable, 'yes')
- 
+
         if self.platform.is_armv7:
             emit('ARM7_FLOAT_ABI', self.platform.armv7_float_abi)
 
@@ -796,7 +796,7 @@ when (($USEMPROF == "yes") || ($USE_MPROF == "yes")) {
                 self.print_linux_const()
         elif self.platform.is_windows:
             self.print_windows_target_const()
- 
+
     def print_host_settings(self):
         emit('HOST_PLATFORM', self.platform.os_compat)
         if not self.platform.is_windows:
@@ -1168,13 +1168,13 @@ class GnuToolchain(Toolchain):
                     (target.is_apple and target.is_x86_64, 'x86_64-apple-darwin14'),
                     (target.is_apple and target.is_macos_arm64, 'arm64-apple-macos11'),
                     (target.is_apple and target.is_armv7, 'armv7-apple-darwin14'),
-                    (target.is_apple and target.is_armv8, 'arm64-apple-darwin14'), 
+                    (target.is_apple and target.is_armv8, 'arm64-apple-darwin14'),
                     (target.is_yocto and target.is_armv7, 'arm-poky-linux-gnueabi'),
                     (target.is_android and target.is_x86, 'i686-linux-android'),
                     (target.is_android and target.is_x86_64, 'x86_64-linux-android'),
                     (target.is_android and target.is_armv7, 'armv7a-linux-androideabi'),
                     (target.is_android and target.is_armv8, 'aarch64-linux-android'),
-                ]) 
+                ])
 
             if target.is_android:
                 # Android NDK allows specification of API level in target triple, e.g.:
@@ -1194,18 +1194,18 @@ class GnuToolchain(Toolchain):
         if target.is_cortex_a9:
             self.c_flags_platform.append('-mcpu=cortex-a9')
 
-        if target.is_cortex_a35: 
-            self.c_flags_platform.append('-mcpu=cortex-a35') 
- 
-        elif target.is_cortex_a53: 
-            self.c_flags_platform.append('-mcpu=cortex-a53') 
- 
+        if target.is_cortex_a35:
+            self.c_flags_platform.append('-mcpu=cortex-a35')
+
+        elif target.is_cortex_a53:
+            self.c_flags_platform.append('-mcpu=cortex-a53')
+
         elif target.is_cortex_m33:
             self.c_flags_platform.append('-mcpu=cortex-m33 -mfpu=fpv5-sp-d16')
 
-        elif target.is_armv7_neon: 
-            self.c_flags_platform.append('-mfpu=neon') 
- 
+        elif target.is_armv7_neon:
+            self.c_flags_platform.append('-mfpu=neon')
+
         if (target.is_armv7 or target.is_armv8m) and build.is_size_optimized:
             # Enable ARM Thumb2 variable-length instruction encoding
             # to reduce code size