HBASE-29454 Update hbase-examples scripts to be compatible with Python 3

[liuxiaocs7]

Backport HBASE-29454 for branch-2, which is discussed in HBASE-23644

• master PR: HBASE-29454: Update hbase-examples scripts to be compatible with Python 3 #7161
• branch-3 backport PR: HBASE-29454 Update hbase-examples scripts to be compatible with Pyth… #7671

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 14s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+0 🆗	shelldocs	0m 0s		Shelldocs was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ branch-2 Compile Tests _
+0 🆗	mvndep	0m 11s		Maven dependency ordering for branch
+1 💚	mvninstall	2m 23s		branch-2 passed
+1 💚	spotless	0m 39s		branch has no errors when running spotless:check.
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 16s		Maven dependency ordering for patch
+1 💚	mvninstall	2m 12s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
-0 ⚠️	pylint	0m 47s	/results-pylint.txt	The patch generated 16 new + 1895 unchanged - 3 fixed = 1911 total (was 1898)
+1 💚	shellcheck	0m 0s		No new issues.
+1 💚	spotless	0m 37s		patch has no errors when running spotless:check.
			_ Other Tests _
+1 💚	asflicense	0m 25s		The patch does not generate ASF License warnings.
		9m 17s

Subsystem	Report/Notes
Docker	ClientAPI=1.53 ServerAPI=1.53 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#7687
Optional Tests	dupname asflicense codespell detsecrets spotless javac pylint shellcheck shelldocs
uname	Linux 6f073b81d39e 6.14.0-1018-aws #18~24.04.1-Ubuntu SMP Mon Nov 24 19:46:27 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2 / 8ca031c
Default Java	Eclipse Adoptium-11.0.23+9
Max. process+thread count	61 (vs. ulimit of 30000)
modules	C: hbase-server hbase-examples . U: .
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/console
versions	git=2.34.1 maven=3.9.8 pylint=2.15.5 shellcheck=0.8.0
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[liuxiaocs7]

Hi, @guluo2016, maybe we should backport HBASE-25508 for branch-2 first, WDYT?

[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 54s		Docker mode activated.
-0 ⚠️	yetus	0m 5s		Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --author-ignore-list --blanks-eol-ignore-file --blanks-tabs-ignore-file --quick-hadoopcheck
			_ Prechecks _
			_ branch-2 Compile Tests _
+0 🆗	mvndep	0m 16s		Maven dependency ordering for branch
+1 💚	mvninstall	3m 32s		branch-2 passed
+1 💚	javadoc	2m 33s		branch-2 passed
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 14s		Maven dependency ordering for patch
+1 💚	mvninstall	3m 8s		the patch passed
+1 💚	javadoc	2m 28s		the patch passed
			_ Other Tests _
-1 ❌	unit	303m 53s	/patch-unit-root.txt	root in the patch failed.
		324m 47s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#7687
Optional Tests	javac javadoc unit
uname	Linux ffa71e8ee27d 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2 / 8ca031c
Default Java	Eclipse Adoptium-11.0.23+9
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/testReport/
Max. process+thread count	6670 (vs. ulimit of 30000)
modules	C: hbase-server hbase-examples . U: .
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/console
versions	git=2.34.1 maven=3.9.8
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[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	1m 19s		Docker mode activated.
-0 ⚠️	yetus	0m 5s		Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --author-ignore-list --blanks-eol-ignore-file --blanks-tabs-ignore-file --quick-hadoopcheck
			_ Prechecks _
			_ branch-2 Compile Tests _
+0 🆗	mvndep	0m 14s		Maven dependency ordering for branch
+1 💚	mvninstall	4m 36s		branch-2 passed
+1 💚	javadoc	3m 57s		branch-2 passed
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 15s		Maven dependency ordering for patch
+1 💚	mvninstall	4m 12s		the patch passed
+1 💚	javadoc	4m 25s		the patch passed
			_ Other Tests _
-1 ❌	unit	341m 35s	/patch-unit-root.txt	root in the patch failed.
		368m 23s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/artifact/yetus-jdk17-hadoop3-check/output/Dockerfile
GITHUB PR	#7687
Optional Tests	javac javadoc unit
uname	Linux 6358ce4db4bc 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2 / 8ca031c
Default Java	Eclipse Adoptium-17.0.11+9
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/testReport/
Max. process+thread count	3582 (vs. ulimit of 30000)
modules	C: hbase-server hbase-examples . U: .
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/console
versions	git=2.34.1 maven=3.9.8
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[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	1m 18s		Docker mode activated.
-0 ⚠️	yetus	0m 6s		Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --author-ignore-list --blanks-eol-ignore-file --blanks-tabs-ignore-file --quick-hadoopcheck
			_ Prechecks _
			_ branch-2 Compile Tests _
+0 🆗	mvndep	0m 14s		Maven dependency ordering for branch
+1 💚	mvninstall	3m 58s		branch-2 passed
+1 💚	javadoc	3m 39s		branch-2 passed
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 13s		Maven dependency ordering for patch
+1 💚	mvninstall	3m 22s		the patch passed
+1 💚	javadoc	3m 7s		the patch passed
			_ Other Tests _
-1 ❌	unit	458m 59s	/patch-unit-root.txt	root in the patch failed.
		481m 41s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/artifact/yetus-jdk8-hadoop2-check/output/Dockerfile
GITHUB PR	#7687
Optional Tests	javac javadoc unit
uname	Linux 5b03e3f2e534 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2 / 8ca031c
Default Java	Temurin-1.8.0_412-b08
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/testReport/
Max. process+thread count	3434 (vs. ulimit of 30000)
modules	C: hbase-server hbase-examples . U: .
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-7687/1/console
versions	git=2.34.1 maven=3.9.8
Powered by	Apache Yetus 0.15.0 https://yetus.apache.org

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