Migrate java scripts to py3

rep py2 -> py3 for java
commit_hash:78171638f15125a712c6142b22cdc8bc33b75a56

5 files changed, 30 insertions, 32 deletions

diff --git a/build/conf/java.conf b/build/conf/java.conf
index 2169747f93d..270f685f2a1 100644
--- a/build/conf/java.conf
+++ b/build/conf/java.conf
@@ -4,7 +4,7 @@ macro _INPUT_WITH_FLAG(Flag, IN[]) {
 
 macro ACCELEO(XSD{input}[], MTL{input}[], MTL_ROOT="${MODDIR}", LANG{input}[], OUT{output}[], OUT_NOAUTO{output}[], OUTPUT_INCLUDES[], DEBUG?"stdout2stderr":"stderr2stdout") {
     .PEERDIR=build/platform/java/jdk $JDK_RESOURCE_PEERDIR
-    .CMD=${cwd:ARCADIA_BUILD_ROOT} $YMAKE_PYTHON ${input;pre=build/scripts/;suf=.py:DEBUG} $JDK_RESOURCE/bin/java -Dfile.encoding=utf8 -classpath ${RUN_JAR_PROG_CP_PRE}${tool:"tools/acceleo"}${RUN_JAR_PROG_CP_SUF} ru.yandex.se.logsng.tool.Cli $_INPUT_WITH_FLAG(--xsd IN $XSD) $_INPUT_WITH_FLAG(--mtl IN $MTL) $_INPUT_WITH_FLAG(--lang IN $LANG) --output-dir $BINDIR --build-root ${ARCADIA_BUILD_ROOT} --source-root ${ARCADIA_ROOT}  --mtl-root $MTL_ROOT ${hide;output_include:OUTPUT_INCLUDES} ${hide;output:OUT} ${hide;noauto;output:OUT_NOAUTO} ${hide;kv:"p JV"} ${hide;kv:"pc light-blue"} ${hide;kv:"show_out"}
+    .CMD=${cwd:ARCADIA_BUILD_ROOT} $YMAKE_PYTHON3 ${input;pre=build/scripts/;suf=.py:DEBUG} $JDK_RESOURCE/bin/java -Dfile.encoding=utf8 -classpath ${RUN_JAR_PROG_CP_PRE}${tool:"tools/acceleo"}${RUN_JAR_PROG_CP_SUF} ru.yandex.se.logsng.tool.Cli $_INPUT_WITH_FLAG(--xsd IN $XSD) $_INPUT_WITH_FLAG(--mtl IN $MTL) $_INPUT_WITH_FLAG(--lang IN $LANG) --output-dir $BINDIR --build-root ${ARCADIA_BUILD_ROOT} --source-root ${ARCADIA_ROOT}  --mtl-root $MTL_ROOT ${hide;output_include:OUTPUT_INCLUDES} ${hide;output:OUT} ${hide;noauto;output:OUT_NOAUTO} ${hide;kv:"p JV"} ${hide;kv:"pc light-blue"} ${hide;kv:"show_out"}
     .STRUCT_CMD=yes
 }
 
@@ -481,7 +481,7 @@ macro DEFAULT_JUNIT_JAVA_SRCS_LAYOUT() {
 }
 
 macro _GENTAR_HELPER(HASH_SUF="hash_suf", OUT_DIR[]) {
-    .CMD=${cwd:BINDIR} $YMAKE_PYTHON ${input:"build/scripts/autotar_gendirs.py"} --pack ${OUT_DIR} --outs ${tared;output;suf=$HASH_SUF:OUT_DIR} ${hide;kv:"tared_kind nodir"}
+    .CMD=${cwd:BINDIR} $YMAKE_PYTHON3 ${input:"build/scripts/autotar_gendirs.py"} --pack ${OUT_DIR} --outs ${tared;output;suf=$HASH_SUF:OUT_DIR} ${hide;kv:"tared_kind nodir"}
     .SEM=${hide;tared;output;suf=$HASH_SUF:OUT_DIR}
 }
 
@@ -512,7 +512,7 @@ macro _DO_2_RUN_JAR_PROGRAM(IN_DIRS_VAR="uniq_", IN_DIRS_INPUTS[], IN{input}[],
     _LATE_GLOB(${IN_DIRS_VAR} ${suf=/**/*:IN_DIR})
     _CHECK_RUN_JAVA_PROG_CLASSPATH($CLASSPATH)
     .PEERDIR=build/platform/java/jdk $JDK_RESOURCE_PEERDIR
-    .CMD=${hide;kv:"p RJ"} ${hide;kv:"pc blue"} ${hide:JAVA_FAKEID} ${cwd:BINDIR} $YMAKE_PYTHON ${input:"build/scripts/mkdir.py"} ${OUT_DIR} && ${cwd:CWD} $YMAKE_PYTHON ${input:"build/scripts/setup_java_tmpdir.py"} $YMAKE_PYTHON ${input:"build/scripts/stdout2stderr.py"} ${pre=--file=:STDOUT} ${hide;output:STDOUT} ${pre=--file=:STDOUT_NOAUTO} ${hide;noauto;output:STDOUT_NOAUTO} $YMAKE_PYTHON ${input:"build/scripts/fix_java_command_file_cp.py"} --build-root ${ARCADIA_BUILD_ROOT} $JDK_RESOURCE/bin/java -Dfile.encoding=utf8 -classpath ${RUN_JAR_PROG_CP_PRE}${tool:CLASSPATH}${RUN_JAR_PROG_CP_SUF} ${Args} && $_GENTAR_HELPER(HASH_SUF $HASH_SUF OUT_DIR $OUT_DIR) ${hide;input:IN} ${hide;context=TEXT;input=TEXT:IN_NOPARSE} ${hide;noauto;output:OUT_NOAUTO} ${hide;output:OUT} ${hide;tool:TOOL} ${hide;input:IN_DIRS_INPUTS}
+    .CMD=${hide;kv:"p RJ"} ${hide;kv:"pc blue"} ${hide:JAVA_FAKEID} ${cwd:BINDIR} $YMAKE_PYTHON3 ${input:"build/scripts/mkdir.py"} ${OUT_DIR} && ${cwd:CWD} $YMAKE_PYTHON3 ${input:"build/scripts/setup_java_tmpdir.py"} $YMAKE_PYTHON3 ${input:"build/scripts/stdout2stderr.py"} ${pre=--file=:STDOUT} ${hide;output:STDOUT} ${pre=--file=:STDOUT_NOAUTO} ${hide;noauto;output:STDOUT_NOAUTO} $YMAKE_PYTHON3 ${input:"build/scripts/fix_java_command_file_cp.py"} --build-root ${ARCADIA_BUILD_ROOT} $JDK_RESOURCE/bin/java -Dfile.encoding=utf8 -classpath ${RUN_JAR_PROG_CP_PRE}${tool:CLASSPATH}${RUN_JAR_PROG_CP_SUF} ${Args} && $_GENTAR_HELPER(HASH_SUF $HASH_SUF OUT_DIR $OUT_DIR) ${hide;input:IN} ${hide;context=TEXT;input=TEXT:IN_NOPARSE} ${hide;noauto;output:OUT_NOAUTO} ${hide;output:OUT} ${hide;tool:TOOL} ${hide;input:IN_DIRS_INPUTS}
     .STRUCT_CMD=yes
     .SEM=runs-ITEM && runs-args ${Args} && runs-classpath ${RUN_JAR_PROG_CP_PRE}${tool:CLASSPATH}${RUN_JAR_PROG_CP_SUF} && runs-cwd ${CWD} ${hide;cwd:CWD} && runs-in ${IN} ${hide;input:IN} && runs-in_dir ${IN_DIR} && runs-in_noparse ${IN_NOPARSE} ${hide;context=TEXT;input=TEXT:IN_NOPARSE} && runs-out ${OUT} ${hide;output:OUT} ${OUT_NOAUTO} ${hide;noauto;output:OUT_NOAUTO} $_GENTAR_HELPER(HASH_SUF $HASH_SUF OUT_DIR $OUT_DIR) && runs-out_dir ${OUT_DIR} && runs-tool ${tool:TOOL}
 }
@@ -611,7 +611,7 @@ module JAVA_CONTRIB_PROXY: _JAR_BASE {
 
 # tag:java-specific
 macro _FETCH_CONTRIB(Id, Out, SBR="sbr:") {
-    .CMD=${hide:SANDBOX_FAKEID} ${cwd:BINDIR} ${resource;pre=$SBR:Id} $YMAKE_PYTHON ${input:"build/scripts/fetch_from_sandbox.py"} --resource-file $(RESOURCE_ROOT)/sbr/$Id/resource --resource-id $Id --copy-to ${output:Out} ${hide;input:"build/scripts/fetch_from.py"} ${hide;requirements:"network:full"} ${hide;kv:"p SB"} ${hide;kv:"pc yellow"} ${hide;kv:"show_out"}
+    .CMD=${hide:SANDBOX_FAKEID} ${cwd:BINDIR} ${resource;pre=$SBR:Id} $YMAKE_PYTHON3 ${input:"build/scripts/fetch_from_sandbox.py"} --resource-file $(RESOURCE_ROOT)/sbr/$Id/resource --resource-id $Id --copy-to ${output:Out} ${hide;input:"build/scripts/fetch_from.py"} ${hide;requirements:"network:full"} ${hide;kv:"p SB"} ${hide;kv:"pc yellow"} ${hide;kv:"show_out"}
     ADD_CHECK(check.resource $Id)
 }
 
@@ -699,7 +699,7 @@ module JAVA_CONTRIB: _JAR_BASE {
     _SETUP_MAVEN_EXPORT_COORDS_IF_NEED($MODDIR)
 }
 
-MAKE_JAVA_CLASSPATH_FILE=$YMAKE_PYTHON ${input:"build/scripts/make_java_classpath_file.py"} ${hide;input:"build/scripts/process_command_files.py"}
+MAKE_JAVA_CLASSPATH_FILE=$YMAKE_PYTHON3 ${input:"build/scripts/make_java_classpath_file.py"} ${hide;input:"build/scripts/process_command_files.py"}
 
 # tag:kotlin-specific
 KOTLINC_OPTS_VALUE=
@@ -712,7 +712,7 @@ KT_CLASSPATH=${BINDIR}/kt_cp.txt
 COLLECT_KT_CLASSPATH=${WRITER_PY} --file ${BINDIR}/kt_bfg.txt -m --ya-start-command-file ${ext=.jar:MANAGED_PEERS_CLOSURE} --ya-end-command-file
 LINK_KT_CLASSPATH=${MAKE_JAVA_CLASSPATH_FILE} ${BINDIR}/kt_bfg.txt $KT_CLASSPATH && $FS_TOOLS md $KT_CLASSES_DIR
 COMPILE_KT= \
-    ${cwd:ARCADIA_BUILD_ROOT} ${env:"LC_ALL=en_US.UTF-8"} $YMAKE_PYTHON ${input:"build/scripts/run_javac.py"} \
+    ${cwd:ARCADIA_BUILD_ROOT} ${env:"LC_ALL=en_US.UTF-8"} $YMAKE_PYTHON3 ${input:"build/scripts/run_javac.py"} \
     ${hide;input:"build/scripts/build_java_with_error_prone2.py"} \
     ${hide;input:"build/scripts/setup_java_tmpdir.py"} \
     --kotlin --sources-list $KT_SRCLIST \
@@ -790,7 +790,7 @@ otherwise {
 }
 
 # tag:java-specific tag:codenav
-_JAVA_YNDEXING_CMD=$YMAKE_PYTHON ${input:"build/scripts/build_java_codenav_index.py"} $TARGET $ARCADIA_BUILD_ROOT $ARCADIA_ROOT ${BINDIR}/all-java.srclst $JDK_RESOURCE/bin/java -jar $KYTHE_RESOURCE/kythe/extractors/javac_extractor.jar
+_JAVA_YNDEXING_CMD=$YMAKE_PYTHON3 ${input:"build/scripts/build_java_codenav_index.py"} $TARGET $ARCADIA_BUILD_ROOT $ARCADIA_ROOT ${BINDIR}/all-java.srclst $JDK_RESOURCE/bin/java -jar $KYTHE_RESOURCE/kythe/extractors/javac_extractor.jar
 _DO_JAVA_YNDEXING=
 
 # tag:java-specific
@@ -815,8 +815,8 @@ _MAKE_JSTYLE_FILE_LIST=
 _LINK_UBERJAR=
 _UBERJAR_SELF=
 _DO_LINK_UBERJAR= && $JDK_RESOURCE/bin/java -cp $UBERJAR_RESOURCE/devtools-java_shader.jar ru.yandex.devtools.emigrante.Main --out-jar $TARGET $_UBERJAR_SELF ${pre=--jar ;ext=.jar:MANAGED_PEERS_CLOSURE} ${UBERJAR_PREFIX_FLAG} ${UBERJAR_HIDE_EXCLUDE_FLAGS} ${UBERJAR_HIDE_INCLUDE_FLAGS} $UBERJAR_PATH_EXCLUDES ${UBERJAR_MANIFEST_TRANSFORMER_MAIN_FLAG} ${UBERJAR_MANIFEST_TRANSFORMER_ATTRIBUTE_FLAGS} ${UBERJAR_APPENDING_TRANSFORMER_FLAGS} ${UBERJAR_SERVICES_RESOURCE_TRANSFORMER_FLAG} \
-                  && $YMAKE_PYTHON ${input:"build/scripts/mkdir.py"} $BINDIR/_empty/META-INF \
-                  && $YMAKE_PYTHON ${input:"build/scripts/touch.py"} $BINDIR/_empty/META-INF/MANIFEST.MF \
+                  && $YMAKE_PYTHON3 ${input:"build/scripts/mkdir.py"} $BINDIR/_empty/META-INF \
+                  && $YMAKE_PYTHON3 ${input:"build/scripts/touch.py"} $BINDIR/_empty/META-INF/MANIFEST.MF \
                   && $UPDATE_VCS_JAVA_INFO_NODEP($TARGET) \
                   && ${cwd;suf=/_empty:BINDIR} ${JDK_RESOURCE}/bin/jar ufv ${TARGET} META-INF/MANIFEST.MF \
                   && $JDK_RESOURCE/bin/jar ufvm $TARGET $VCS_JAVA
@@ -828,7 +828,7 @@ macro _PACK_JAR_HELPER(Out) {
 
 # tag:java-specific
 macro _JAVAC_RUN_HELPER(JAVAC_CMD_WITH_ARGS...) {
-    .CMD=${cwd:ARCADIA_BUILD_ROOT} ${env:"LC_ALL=en_US.UTF-8"} $YMAKE_PYTHON ${input:"build/scripts/run_javac.py"} ${hide;input:"build/scripts/build_java_with_error_prone2.py"} ${hide;input:"build/scripts/setup_java_tmpdir.py"} --with-setup-java-tmpdir --sources-list ${BINDIR}/all-java.srclst ${RUN_JAVAC_ARGS} ${JAVAC_CMD_WITH_ARGS} @${BINDIR}/all-java.srclst -classpath ${ARCADIA_BUILD_ROOT}/bfg.jar -Xpkginfo:always ${JAVAC_OPTS} $_JAR_ANN_PROC_OPTS($_JAR_ANN_PROCESSORS) -d ${BINDIR}/cls -g -encoding UTF-8
+    .CMD=${cwd:ARCADIA_BUILD_ROOT} ${env:"LC_ALL=en_US.UTF-8"} $YMAKE_PYTHON3 ${input:"build/scripts/run_javac.py"} ${hide;input:"build/scripts/build_java_with_error_prone2.py"} ${hide;input:"build/scripts/setup_java_tmpdir.py"} --with-setup-java-tmpdir --sources-list ${BINDIR}/all-java.srclst ${RUN_JAVAC_ARGS} ${JAVAC_CMD_WITH_ARGS} @${BINDIR}/all-java.srclst -classpath ${ARCADIA_BUILD_ROOT}/bfg.jar -Xpkginfo:always ${JAVAC_OPTS} $_JAR_ANN_PROC_OPTS($_JAR_ANN_PROCESSORS) -d ${BINDIR}/cls -g -encoding UTF-8
 }
 
 # tag:java-specific
@@ -861,7 +861,7 @@ MAVEN_EXPORT_GEN_DEPLST= \
     --ya-start-command-file -m ${pre=D=:MAVEN_EXPORT_COORDS_GLOBAL} ${pre=E=:EXCLUDED_MAVEN_EXPORT_COORDS_GLOBAL} --ya-end-command-file \
     ${hide:APPLIED_EXCLUDES}
 MAVEN_EXPORT_GEN_POM=${hide;kv:"mvn_export yes"} \
-    $YMAKE_PYTHON ${input:"build/scripts/generate_pom.py"} \
+    $YMAKE_PYTHON3 ${input:"build/scripts/generate_pom.py"} \
     --from-coord-files \
     --vcs-info $(VCS)/vcs.json \
     --target-path $MODDIR \
@@ -871,7 +871,7 @@ MAVEN_EXPORT_GEN_POM=${hide;kv:"mvn_export yes"} \
     --target-coords ${suf=.mvn_coords:TARGET} \
     --pom-path ${output:"pom.xml"}
 
-MAVEN_DEPLOY_CMD=$YMAKE_PYTHON ${input:"build/scripts/stdout2stderr.py"} $MAVEN_BIN \
+MAVEN_DEPLOY_CMD=$YMAKE_PYTHON3 ${input:"build/scripts/stdout2stderr.py"} $MAVEN_BIN \
     deploy:deploy-file -DpomFile=$BINDIR/pom.xml \
     -Dfile=$TARGET -DrepositoryId=$MAVEN_REPO_ID -Durl=$MAVEN_REPO_URL -Djava.net.preferIPv4Addresses=false -Djava.net.preferIPv6Addresses=true \
     ${MAVEN_DEPLOY_SOURCES} \
@@ -899,7 +899,7 @@ PREPARE_JAR_BUILD=${cwd:BINDIR} ${YMAKE_PYTHON3} ${input:"build/scripts/prepare_
     ${hide;input:"build/scripts/autotar_gendirs.py"} \
     ${hide;input:"build/scripts/resolve_java_srcs.py"}
 COLLECT_CLASSPATH=${WRITER_PY} --file ${BINDIR}/bfg.txt -m --ya-start-command-file ${rootrel:MANAGED_PEERS_CLOSURE} $KT_CLASSPATH_ITEM --ya-end-command-file
-LINK_CLASSPATH=${YMAKE_PYTHON} ${input:"build/scripts/make_manifest_from_bf.py"} ${BINDIR}/bfg.txt ${ARCADIA_BUILD_ROOT}/bfg.jar
+LINK_CLASSPATH=${YMAKE_PYTHON3} ${input:"build/scripts/make_manifest_from_bf.py"} ${BINDIR}/bfg.txt ${ARCADIA_BUILD_ROOT}/bfg.jar
 COMPILE_JAVA_SRCLIST=$_JAVAC_RUN_HELPER($JAVAC_CMD)
 PACK_JAR=$_PACK_JAR_HELPER($TARGET)
 LINK_JAR=${hide:JAVA_FAKEID} ${hide;kv:"p JV"} ${hide;kv:"pc light-blue"} ${hide;kv:"show_out"} ${hide;requirements:"cpu:4"} \
@@ -1125,13 +1125,13 @@ module JAR_LIBRARY: _COMPILABLE_JAR_BASE {
     DEPENDENCY_MANAGEMENT(contrib/java/org/jetbrains/kotlin/kotlin-stdlib-jdk8/${_KOTLIN_VERSION})
     when ($WITH_KOTLIN_VALUE) {
         KT_SRSCLIST=$KT_SRSCLIST_FLAG
-        _MAKE_LINT_KT_FILES_LIST = $YMAKE_PYTHON ${input:"build/scripts/kt_copy.py"} $KT_SRCLIST ${noauto;output:"all-kt-sources.txt"} $(SOURCE_ROOT) $(BUILD_ROOT)
+        _MAKE_LINT_KT_FILES_LIST = $YMAKE_PYTHON3 ${input:"build/scripts/kt_copy.py"} $KT_SRCLIST ${noauto;output:"all-kt-sources.txt"} $(SOURCE_ROOT) $(BUILD_ROOT)
         ALL_KT_COMMANDS=&& $COLLECT_KT_CLASSPATH && $LINK_KT_CLASSPATH
         when ($WITH_KAPT_VALUE == "yes") {
             # For Kapt usage see: https://kotlinlang.org/docs/kapt.html#using-in-cli
             # See for kapt.kotlin.generated: https://github.com/JetBrains/kotlin/blob/master/plugins/kapt3/kapt3-cli/testData/integration/kotlinFileGeneration/build.txt
             _KAPT_OPTS=-Xplugin=${tool:"contrib/java/org/jetbrains/kotlin/kotlin-annotation-processing/2.2.10"} $KT_KAPT_PLUGIN_OPTS
-            _RUN_KAPT=${YMAKE_PYTHON} ${input:"build/scripts/with_kapt_args.py"} --ap-classpath ${KT_KAPT_AP_CLASSPATH} --ap-options ${KT_KAPT_AP_OPTS} -- $COMPILE_KT $_KAPT_OPTS
+            _RUN_KAPT=${YMAKE_PYTHON3} ${input:"build/scripts/with_kapt_args.py"} --ap-classpath ${KT_KAPT_AP_CLASSPATH} --ap-options ${KT_KAPT_AP_OPTS} -- $COMPILE_KT $_KAPT_OPTS
             _APPEND_KAPT_GENERATED_SRCS=$YMAKE_PYTHON3 ${input:"build/scripts/resolve_java_srcs.py"} -d $KT_KAPT_SOURCES_DIR --include-patterns '**/*.java' '**/*.kt' --resolve-kotlin --append -s ${BINDIR}/all-java.srclst -k $KT_SRCLIST -r ${BINDIR}/not-used.txt
 
               ALL_KT_COMMANDS+=&& $_RUN_KAPT && $_APPEND_KAPT_GENERATED_SRCS
@@ -1155,7 +1155,7 @@ module JAR_LIBRARY: _COMPILABLE_JAR_BASE {
             KOTLINC_OPTS_VALUE+=-Xplugin=${tool:"devtools/detekt-compiler-plugin"}
             KOTLINC_OPTS_VALUE+=-P plugin:detekt-compiler-plugin:report=xml:${BINDIR}/misc/detekt-report.xml
             # If there are no kt sources, the report won't be generated, however the file must be always present.
-            ALL_KT_COMMANDS+=&& $YMAKE_PYTHON ${input:"build/scripts/touch.py"} ${BINDIR}/misc/detekt-report.xml
+            ALL_KT_COMMANDS+=&& $YMAKE_PYTHON3 ${input:"build/scripts/touch.py"} ${BINDIR}/misc/detekt-report.xml
             ALL_KT_COMMANDS+=&& $FS_TOOLS copy ${BINDIR}/misc/detekt-report.xml ${noauto;output:"detekt-report.xml"}
         }
         # Must be in sync with KT_CLASSES_DIR!
@@ -1205,7 +1205,7 @@ module JAR_LIBRARY: _COMPILABLE_JAR_BASE {
 
     when($JAVA_YNDEXING == "yes") {
         PEERDIR+=build/platform/java/kythe
-        _DO_JAVA_YNDEXING=&& $_JAVAC_RUN_HELPER($_JAVA_YNDEXING_CMD) && ${cwd:BINDIR} $YMAKE_PYTHON ${input:"build/scripts/find_and_tar.py"} kindex.tar .kzip ${hide;tared;output:"kindex.tar"}
+        _DO_JAVA_YNDEXING=&& $_JAVAC_RUN_HELPER($_JAVA_YNDEXING_CMD) && ${cwd:BINDIR} $YMAKE_PYTHON3 ${input:"build/scripts/find_and_tar.py"} kindex.tar .kzip ${hide;tared;output:"kindex.tar"}
     }
 
     when ($ERROR_PRONE_VALUE) {
@@ -1273,7 +1273,7 @@ GEN_JAVA_RUN_SH=$SCRIPTGEN_RESOURCE_GLOBAL/scriptgen --java $JDK_RESOURCE/bin/ja
     -D JAR_BASENAME=${REALPRJNAME} \
     -D MAIN_CLASS=${_JAR_MAIN_CLASS} \
     -D ENABLE_PREVIEW=${ENABLE_PREVIEW_VALUE}
-GEN_RUN_CP=${WRITER_PY} --file ${BINDIR}/run-bf.txt -Q -m --ya-start-command-file ${qe;pre=$REALPRJNAME/;nopath:MANAGED_PEERS_CLOSURE} --ya-end-command-file && ${YMAKE_PYTHON} ${input:"build/scripts/make_manifest_from_bf.py"} ${BINDIR}/run-bf.txt ${TARGET}
+GEN_RUN_CP=${WRITER_PY} --file ${BINDIR}/run-bf.txt -Q -m --ya-start-command-file ${qe;pre=$REALPRJNAME/;nopath:MANAGED_PEERS_CLOSURE} --ya-end-command-file && ${YMAKE_PYTHON3} ${input:"build/scripts/make_manifest_from_bf.py"} ${BINDIR}/run-bf.txt ${TARGET}
 COLLECT_JAR_PROGRAM_CP__LATEOUT__=\
     ${pre=$BINDIR/$REALPRJNAME/;nopath;ext=.jar:MANAGED_PEERS_CLOSURE} \
     ${pre=$BINDIR/$REALPRJNAME/;nopath;ext=.so:MANAGED_PEERS_CLOSURE} \
@@ -1290,7 +1290,7 @@ COLLECT_JAR_PROGRAM_CP=$FS_TOOLS link_or_copy_to_dir \
     ${BINDIR}/${REALPRJNAME} \
     ${hide;late_out:COLLECT_JAR_PROGRAM_CP__LATEOUT__}
 MAKE_JAR_PROGRAM_CPLST=${MAKE_JAVA_CLASSPATH_FILE} --from-args ${output;pre=$MODULE_PREFIX;suf=${MODULE_SUFFIX}.cplst:REALPRJNAME} --ya-start-command-file ${rootrel;pre=$BINDIR/$REALPRJNAME/;nopath;ext=.jar:MANAGED_PEERS_CLOSURE} ${_SOURCE_JARS_CPLIST} --ya-end-command-file
-TAR_CLASSPATH= && $YMAKE_PYTHON ${input:"build/scripts/find_and_tar.py"} ${output;pre=$MODULE_PREFIX;suf=.tar:REALPRJNAME} ${cwd;pre=$BINDIR/:REALPRJNAME}
+TAR_CLASSPATH= && $YMAKE_PYTHON3 ${input:"build/scripts/find_and_tar.py"} ${output;pre=$MODULE_PREFIX;suf=.tar:REALPRJNAME} ${cwd;pre=$BINDIR/:REALPRJNAME}
 DO_TAR_CLASSPATH=
 LINK_JAR_PROGRAM=${hide:JAVA_FAKEID} $FS_TOOLS md ${BINDIR}/${REALPRJNAME} \
     && $COLLECT_JAR_PROGRAM_CP \
@@ -1364,7 +1364,7 @@ module _JAR_RUNNABLE: _COMPILABLE_JAR_BASE {
 }
 
 # tag:java-specific
-LINK_JAR_TEST=${hide:JAVA_FAKEID} ${WRITER_PY} --file ${BINDIR}/run-bf.txt -Q -m --ya-start-command-file ${ext=.jar:MANAGED_PEERS_CLOSURE} --ya-end-command-file && ${YMAKE_PYTHON} ${input:"build/scripts/make_manifest_from_bf.py"} ${BINDIR}/run-bf.txt ${TARGET} ${hide;kv:"p JT"}
+LINK_JAR_TEST=${hide:JAVA_FAKEID} ${WRITER_PY} --file ${BINDIR}/run-bf.txt -Q -m --ya-start-command-file ${ext=.jar:MANAGED_PEERS_CLOSURE} --ya-end-command-file && ${YMAKE_PYTHON3} ${input:"build/scripts/make_manifest_from_bf.py"} ${BINDIR}/run-bf.txt ${TARGET} ${hide;kv:"p JT"}
 module _JAR_TEST: _COMPILABLE_JAR_BASE {
     .FINAL_TARGET=yes
     .CMD=$LINK_JAR_TEST
diff --git a/build/scripts/fetch_from_sandbox.py b/build/scripts/fetch_from_sandbox.py
index 2995d4df713..dc1214020b2 100755
--- a/build/scripts/fetch_from_sandbox.py
+++ b/build/scripts/fetch_from_sandbox.py
@@ -8,7 +8,7 @@ import random
 import subprocess
 import sys
 import time
-import urllib2
+import urllib
 import uuid
 
 # Explicitly enable local imports
@@ -85,7 +85,7 @@ def _urlopen(url, data=None, headers=None):
     started = time.time()
     reqid = uuid.uuid4()
 
-    request = urllib2.Request(url, data=data, headers=headers or {})
+    request = urllib.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')
@@ -93,9 +93,9 @@ def _urlopen(url, data=None, headers=None):
         retry_after = i
         try:
             request.add_header('X-Request-Duration', str(int(time.time() - started)))
-            return urllib2.urlopen(request, timeout=tout).read()
+            return urllib.urlopen(request, timeout=tout).read()
 
-        except urllib2.HTTPError as e:
+        except urllib.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)))
 
@@ -204,7 +204,7 @@ def fetch(resource_id, custom_fetcher):
         except subprocess.CalledProcessError as e:
             logging.warning('failed to fetch resource %s with subprocess: %s', resource_id, e)
             time.sleep(i)
-        except urllib2.HTTPError as e:
+        except urllib.HTTPError as e:
             logging.warning('failed to fetch resource %s with HTTP code %d: %s', resource_id, e.code, e)
             if e.code not in TEMPORARY_ERROR_CODES:
                 exc_info = exc_info or sys.exc_info()
@@ -215,10 +215,7 @@ def fetch(resource_id, custom_fetcher):
             time.sleep(i)
     else:
         if exc_info:
-            if sys.version_info[0] == 2:
-                raise exc_info[0], exc_info[1], exc_info[2]
-            else:
-                raise exc_info[1].with_traceback(exc_info[2])
+            raise exc_info[1].with_traceback(exc_info[2])
         else:
             raise Exception("No available protocol and/or server to fetch resource")
 
diff --git a/build/scripts/run_javac.py b/build/scripts/run_javac.py
index a3c91da13c7..a640d590889 100644
--- a/build/scripts/run_javac.py
+++ b/build/scripts/run_javac.py
@@ -74,6 +74,7 @@ def main():
         p = subprocess.Popen(cmd, stderr=subprocess.PIPE)
         _, err = p.communicate()
         rc = p.wait()
+        err = err.decode()
 
         if opts.remove_notes:
             err = remove_notes(err)
diff --git a/build/scripts/with_kapt_args.py b/build/scripts/with_kapt_args.py
index cf66a0be2e2..fec95fc7cd9 100644
--- a/build/scripts/with_kapt_args.py
+++ b/build/scripts/with_kapt_args.py
@@ -45,10 +45,10 @@ def get_ap_options(ap_options):
 
             logging.error("Expect key=value format at '" + ap_option + "' in KAPT_ANNOTATION_PROCESSOR_OPTIONS")
             continue
-        k = bytes(k)  # UTF-8 supported
+        k = bytes(k.encode('UTF-8'))  # UTF-8 supported
         kvs += struct.pack(">H", len(k))
         kvs += k
-        v = bytes(v)  # UTF-8 supported
+        v = bytes(v.encode('UTF-8'))  # UTF-8 supported
         kvs += struct.pack(">H", len(v))
         kvs += v
 
diff --git a/build/ymake.core.conf b/build/ymake.core.conf
index 8d5b63f0039..f48c146537b 100644
--- a/build/ymake.core.conf
+++ b/build/ymake.core.conf
@@ -4885,7 +4885,7 @@ macro _RUN_ANTLR_BASE(IN{input}[], IN_NOPARSE{input}[], OUT{output}[], OUT_NOAUT
 ### changes resource_ids in such macros if newer resource of specified type is available. Note that the task seeks AUTOUPDATED in specific position,
 ### so you shall place it immediately after resource_id.
 macro FROM_SANDBOX(Id, OUT{output}[], OUT_NOAUTO{output}[], OUTPUT_INCLUDES[], INDUCED_DEPS[], FILE?"--copy-to-dir":"--untar-to", AUTOUPDATED="", PREFIX=".", RENAME[], EXECUTABLE?"--executable":"", SBR="sbr:") {
-    .CMD=${hide:SANDBOX_FAKEID} ${cwd:BINDIR} ${resource;pre=$SBR:Id} $YMAKE_PYTHON ${input:"build/scripts/fetch_from_sandbox.py"} --resource-file $(RESOURCE_ROOT)/sbr/$Id/resource --resource-id $Id $FILE $PREFIX ${pre=--rename :RENAME} $EXECUTABLE -- $OUT $OUT_NOAUTO ${hide;input:"build/scripts/fetch_from.py"} ${hide;output_include:OUTPUT_INCLUDES} $INDUCED_DEPS ${hide;output:OUT} ${hide;noauto;output:OUT_NOAUTO} ${hide;requirements:"network:full"} ${hide;kv:"p SB"} ${hide;kv:"pc yellow"} ${hide;kv:"show_out"}
+    .CMD=${hide:SANDBOX_FAKEID} ${cwd:BINDIR} ${resource;pre=$SBR:Id} $YMAKE_PYTHON3 ${input:"build/scripts/fetch_from_sandbox.py"} --resource-file $(RESOURCE_ROOT)/sbr/$Id/resource --resource-id $Id $FILE $PREFIX ${pre=--rename :RENAME} $EXECUTABLE -- $OUT $OUT_NOAUTO ${hide;input:"build/scripts/fetch_from.py"} ${hide;output_include:OUTPUT_INCLUDES} $INDUCED_DEPS ${hide;output:OUT} ${hide;noauto;output:OUT_NOAUTO} ${hide;requirements:"network:full"} ${hide;kv:"p SB"} ${hide;kv:"pc yellow"} ${hide;kv:"show_out"}
     .STRUCT_CMD=yes
     .SEM=from_sandboxes-ITEM && from_sandboxes-mode $FILE && from_sandboxes-resource_id $Id && from_sandboxes-renames $RENAME && from_sandboxes-outs $OUT $OUT_NOAUTO && from_sandboxes-reldir $PREFIX && from_sandboxes-executable $IF(${not;empty:EXECUTABLE} THEN true ELSE false) ${hide;output:OUT} ${hide;noauto;output:OUT_NOAUTO} ${resource;pre=$SBR:Id}
     .STRUCT_SEM=yes