python: raise minimum supported python version to 3.9

daywalker90 · cdecker · commit 40d319b7beb8 · 2025-06-12T13:51:18.000+02:00
Changelog-None
diff --git a/.github/workflows/readme-rpc-sync.yml b/.github/workflows/readme-rpc-sync.yml
@@ -23,7 +23,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.9
 
     - name: Install python modules
       run: |
diff --git a/contrib/cln-tracer/pyproject.toml b/contrib/cln-tracer/pyproject.toml
@@ -6,7 +6,7 @@ authors = ["Christian Decker <decker.christian@gmail.com>"]
 readme = "README.md"
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 bcc = "^0.1.10"
 opentelemetry-proto = "^1.21.0"
 
diff --git a/contrib/pyln-client/pyproject.toml b/contrib/pyln-client/pyproject.toml
@@ -11,7 +11,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 pyln-proto = ">=23"
 pyln-bolt7 = ">=1.0"
 
diff --git a/contrib/pyln-grpc-proto/pyproject.toml b/contrib/pyln-grpc-proto/pyproject.toml
@@ -16,7 +16,7 @@ include = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 grpcio = "*"
 protobuf = "5.29.4"
 
diff --git a/contrib/pyln-proto/pyproject.toml b/contrib/pyln-proto/pyproject.toml
@@ -11,7 +11,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 base58 = "^2.1.1"
 bitstring = "^4.1.0"
 coincurve = "^20"
diff --git a/contrib/pyln-spec/bolt1/pyproject.toml b/contrib/pyln-spec/bolt1/pyproject.toml
@@ -10,7 +10,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 
 [tool.poetry.group.dev.dependencies]
 pyln-proto = "^0.10.2"
diff --git a/contrib/pyln-spec/bolt2/pyproject.toml b/contrib/pyln-spec/bolt2/pyproject.toml
@@ -10,7 +10,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 
 [tool.poetry.group.dev.dependencies]
 pyln-proto = "^0.10.2"
diff --git a/contrib/pyln-spec/bolt4/pyproject.toml b/contrib/pyln-spec/bolt4/pyproject.toml
@@ -10,7 +10,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 
 [tool.poetry.group.dev.dependencies]
 pyln-proto = "^0.10.2"
diff --git a/contrib/pyln-spec/bolt7/pyproject.toml b/contrib/pyln-spec/bolt7/pyproject.toml
@@ -10,7 +10,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 
 [tool.poetry.group.dev.dependencies]
 pyln-proto = "^0.10.2"
diff --git a/contrib/pyln-testing/pyproject.toml b/contrib/pyln-testing/pyproject.toml
@@ -11,7 +11,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 pytest = "^7"
 ephemeral-port-reserve = "^1.1.4"
 psycopg2-binary = "^2.9"
diff --git a/contrib/reprobuild/Dockerfile.focal b/contrib/reprobuild/Dockerfile.focal
@@ -35,7 +35,7 @@ RUN chown root:root /usr/lib/sudo/sudoers.so
 RUN wget -O /usr/local/bin/jq https://github.com/jqlang/jq/releases/download/jq-1.6/jq-linux64 \
     && chmod +x /usr/local/bin/jq
 
-# install Python3.8 (more reproducible than relying on python3-setuptools)
+# install Python3.10 (more reproducible than relying on python3-setuptools)
 RUN git clone https://github.com/pyenv/pyenv.git /root/.pyenv && \
     apt-get install -y --no-install-recommends \
     libbz2-dev \
diff --git a/doc/getting-started/getting-started/installation.md b/doc/getting-started/getting-started/installation.md
@@ -294,7 +294,7 @@ pkg_add autoconf # (select highest version, autoconf-2.69p2 at time of writing)
 Install `mako` otherwise we run into build errors:
 
 ```shell
-pip3.8 install --user poetry
+pip3 install --user poetry
 poetry install
 ```
 
@@ -356,7 +356,7 @@ If you need Python 3.x for mako (or get a mako build error):
 brew install pyenv
 echo -e 'if command -v pyenv 1>/dev/null 2>&1; then\n  eval "$(pyenv init -)"\nfi' >> ~/.bash_profile
 source ~/.bash_profile
-pyenv install 3.8.10
+pyenv install 3.9
 pip install --upgrade pip
 pip install poetry==2.0.1
 ```
diff --git a/plugins/wss-proxy/pyproject.toml b/plugins/wss-proxy/pyproject.toml
@@ -5,7 +5,7 @@ description = "Web secure socket proxy"
 authors = ["ShahanaFarooqui <sfarooqui@blockstream.com>"]
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.9"
 pyln-client = ">=24.11 <25.09"
 websockets = "^12.0"
 
diff --git a/poetry.lock b/poetry.lock
diff --git a/pyproject.toml b/pyproject.toml
@@ -7,7 +7,7 @@ authors = ["Christian Decker <cdecker@blockstream.com>"]
 
 [tool.poetry.dependencies]
 # Build dependencies belong here
-python = ">=3.8.1,<4.0"
+python = ">=3.9,<4.0"
 pyln-client = { path = "contrib/pyln-client", develop = true }
 pyln-proto = { path = "contrib/pyln-proto", develop = true }
 pyln-grpc-proto = { path = "contrib/pyln-grpc-proto", develop = true }
diff --git a/tests/data/recklessrepo/lightningd/testplugpyproj/pyproject.toml b/tests/data/recklessrepo/lightningd/testplugpyproj/pyproject.toml
@@ -6,7 +6,7 @@ authors = ["Alex Myers <alex@endothermic.dev>"]
 
 [tool.poetry.dependencies]
 # Build dependencies belong here
-python = "^3.8"
+python = "^3.9"
 pyln-client = "^23.11"
 
 [build-system]

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@ packages = [`
`11`	`11`	`]`
`12`	`12`
`13`	`13`	`[tool.poetry.dependencies]`
`14`		`-python = "^3.8"`
	`14`	`+python = "^3.9"`
`15`	`15`	`pyln-proto = ">=23"`
`16`	`16`	`pyln-bolt7 = ">=1.0"`
`17`	`17`
Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@ include = [`
`16`	`16`	`]`
`17`	`17`
`18`	`18`	`[tool.poetry.dependencies]`
`19`		`-python = "^3.8"`
	`19`	`+python = "^3.9"`
`20`	`20`	`grpcio = "*"`
`21`	`21`	`protobuf = "5.29.4"`
`22`	`22`
Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@ packages = [`
`10`	`10`	`]`
`11`	`11`
`12`	`12`	`[tool.poetry.dependencies]`
`13`		`-python = "^3.8"`
	`13`	`+python = "^3.9"`
`14`	`14`
`15`	`15`	`[tool.poetry.group.dev.dependencies]`
`16`	`16`	`pyln-proto = "^0.10.2"`