build: migrate to pyproject.toml, update dependencies and drop Python 3.8 support

.github/workflows/pre-commit.yml

@@ -9,8 +9,8 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-python@v4
+    - uses: actions/checkout@v6
+    - uses: actions/setup-python@v6
       with:
-        python-version: '3.11'
+        python-version: '3.14'
     - uses: pre-commit/action@v3.0.0

.github/workflows/publish.yml

@@ -7,11 +7,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v6
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v6
       with:
-        python-version: '3.8'
+        python-version: '3.14'
 
     - name: Install pypa/build
       run: python -m pip install build

.github/workflows/test.yml

@@ -19,12 +19,12 @@ jobs:
 
       matrix:
         os: [ubuntu-latest, macos-latest]
-        pyv: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        pyv: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.pyv }}
 
@@ -38,7 +38,7 @@ jobs:
       run: python -m pytest --cov-report=xml --cov=.
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1.0.13
+      uses: codecov/codecov-action@v5
       with:
-        file: ./coverage.xml
+        files: ./coverage.xml
         fail_ci_if_error: false

.pre-commit-config.yaml

@@ -2,23 +2,23 @@
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
 -   repo: https://github.com/psf/black
-    rev: 22.3.0
+    rev: 26.1.0
     hooks:
     -   id: black
 -   repo: https://github.com/pre-commit/mirrors-isort
-    rev: v5.5.0
+    rev: v5.10.1
     hooks:
     -   id: isort
         additional_dependencies: [toml]
 -   repo: https://github.com/executablebooks/mdformat/
-    rev: 0.7.5
+    rev: 1.0.0
     hooks:
     -   id: mdformat
         additional_dependencies:
         - mdformat-black
-        - mdformat_tables
+        - mdformat_gfm
 - repo: https://github.com/codespell-project/codespell
-  rev: v2.3.0
+  rev: v2.4.1
   hooks:
   - id: codespell
     additional_dependencies:

pyproject.toml

@@ -1,16 +1,61 @@
 [build-system]
-requires = ["setuptools>=48", "setuptools_scm[toml]>=6.3.1"]
+requires = ["setuptools>=77", "setuptools_scm[toml]>=8"]
 build-backend = "setuptools.build_meta"
 
+[project]
+name = "sshfs"
+description = "SSH Filesystem -- Async SSH/SFTP backend for fsspec"
+readme = "README.md"
+license = "Apache-2.0"
+license-files = ["LICENSE"]
+requires-python = ">=3.9"
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
+]
+dynamic = ["version"]
+
+dependencies = [
+    "fsspec>=2021.8.1",
+    "asyncssh>=2.11.0,<3",
+]
+
+[project.optional-dependencies]
+bcrypt = ["asyncssh[bcrypt]"]
+fido2 = ["asyncssh[fido2]"]
+gssapi = ["asyncssh[gssapi]"]
+libnacl = ["asyncssh[libnacl]"]
+pkcs11 = ["asyncssh[python-pkcs11]"]
+pyopenssl = ["asyncssh[pyOpenSSL]"]
+pywin32 = ["asyncssh[pywin32]"]
+
+[project.urls]
+Issues = "https://github.com/fsspec/sshfs/issues"
+Source = "https://github.com/fsspec/sshfs"
+
+[project.entry-points."fsspec.specs"]
+ssh = "sshfs.spec:SSHFileSystem"
+sftp = "sshfs.spec:SSHFileSystem"
+
+[tool.setuptools.packages.find]
+exclude = ["tests", "tests.*"]
+namespaces = false
+
 [tool.setuptools_scm]
 
 [tool.black]
 line-length = 79
-target-version = ['py38']
+target-version = ['py39']
 
 [tool.isort]
-atomic=true
-force_grid_wrap=0
-include_trailing_comma=true
-multi_line_output=3
-use_parentheses=true
+atomic = true
+force_grid_wrap = 0
+include_trailing_comma = true
+multi_line_output = 3
+use_parentheses = true

requirements-dev.txt

@@ -1,5 +1,5 @@
 pytest
 pytest-asyncio
 pytest-cov
-mock-ssh-server @ git+https://github.com/skshetry/mock-ssh-server.git@command-queue-race
+mock-ssh-server
 importlib-metadata >= 6.0.0

sshfs/pools/base.py

@@ -58,8 +58,7 @@ async def _maybe_new_channel(self):
     async def get(self):
         raise NotImplementedError
 
-    async def _cleanup(self):
-        ...
+    async def _cleanup(self): ...
 
     async def close(self):
         if self.active_channels and not self.unsafe_terminate: