Moved the metadata from setup.py to setup.cfg

Added pyproject.toml
Replaced reading of the version from `_version` file with reading it from Version Control System and writing it into the file.
Also fixed a bug with incorrect content of `__all__` in `__main__.py`

Author: KOLANICH

Diff for: .gitignore

@@ -1,3 +1,6 @@
+# autogenerated version file
+/pylsp/_version.py
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]

Diff for: pylsp/__init__.py

@@ -3,12 +3,29 @@
 
 import os
 import pluggy
+from . import _version
 from ._version import __version__
 
+
+def convert_version_info(version: str) -> (int, ..., str):
+    version_info = version.split(".")
+    for i, v in enumerate(version_info):
+        try:
+            version_info[i] = int(v)
+        except ValueError:
+            version_info[i] = v.split("+")[0]
+            version_info = version_info[: i + 1]
+            break
+
+    return tuple(version_info)
+
+
+_version.VERSION_INFO = convert_version_info(__version__)
+
 PYLSP = 'pylsp'
 IS_WIN = os.name == 'nt'
 
 hookspec = pluggy.HookspecMarker(PYLSP)
 hookimpl = pluggy.HookimplMarker(PYLSP)
 
-__all__ = [__version__]
+__all__ = ("__version__",)

Diff for: pylsp/_version.py

@@ -0,0 +1,7 @@
+[build-system]
+requires = ["setuptools>=44", "wheel", "setuptools_scm[toml]>=3.4.3"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+write_to = "pylsp/_version.py"
+write_to_template = "__version__ = \"{version}\"\n"  # VERSION_INFO is populated in __main__

Diff for: pyproject.toml

@@ -1,10 +1,89 @@
+[metadata]
+name = python-lsp-server
+author = Python Language Server Contributors
+description = Python Language Server for the Language Server Protocol
+url = https://github.com/python-lsp/python-lsp-server
+long_description = file: README.md
+long_description_content_type = text/markdown
+
+[options]
+packages = find:
+python_requires = >=3.7
+install_requires =
+    jedi>=0.17.2,<0.19.0
+    python-lsp-jsonrpc>=1.0.0
+    pluggy
+    ujson>=3.0.0
+    setuptools>=39.0.0
+setup_requires = setuptools>=44; wheel; setuptools_scm[toml]>=3.4.3
+
+[options.packages.find]
+exclude = contrib; docs; test; test.*; test.plugins; test.plugins.*
+
+[options.extras_require]
+all =
+    autopep8>=1.6.0,<1.7.0
+    flake8>=4.0.0,<4.1.0
+    mccabe>=0.6.0,<0.7.0
+    pycodestyle>=2.8.0,<2.9.0
+    pydocstyle>=2.0.0
+    pyflakes>=2.4.0,<2.5.0
+    pylint>=2.5.0
+    rope>=0.10.5
+    yapf
+autopep8 = autopep8>=1.6.0,<1.7.0
+flake8 = flake8>=4.0.0,<4.1.0
+mccabe = mccabe>=0.6.0,<0.7.0
+pycodestyle = pycodestyle>=2.8.0,<2.9.0
+pydocstyle = pydocstyle>=2.0.0
+pyflakes = pyflakes>=2.4.0,<2.5.0
+pylint = pylint>=2.5.0,<2.10.0
+rope = rope>0.10.5
+yapf = yapf
+test =
+    pylint>=2.5.0
+    pytest
+    pytest-cov
+    coverage
+    numpy
+    pandas
+    matplotlib
+    pyqt5
+    flaky
+
+[options.entry_points]
+console_scripts = pylsp = pylsp.__main__:main
+pylsp =
+    autopep8 = pylsp.plugins.autopep8_format
+    folding = pylsp.plugins.folding
+    flake8 = pylsp.plugins.flake8_lint
+    jedi_completion = pylsp.plugins.jedi_completion
+    jedi_definition = pylsp.plugins.definition
+    jedi_hover = pylsp.plugins.hover
+    jedi_highlight = pylsp.plugins.highlight
+    jedi_references = pylsp.plugins.references
+    jedi_rename = pylsp.plugins.jedi_rename
+    jedi_signature_help = pylsp.plugins.signature
+    jedi_symbols = pylsp.plugins.symbols
+    mccabe = pylsp.plugins.mccabe_lint
+    preload = pylsp.plugins.preload_imports
+    pycodestyle = pylsp.plugins.pycodestyle_lint
+    pydocstyle = pylsp.plugins.pydocstyle_lint
+    pyflakes = pylsp.plugins.pyflakes_lint
+    pylint = pylsp.plugins.pylint_lint
+    rope_completion = pylsp.plugins.rope_completion
+    rope_rename = pylsp.plugins.rope_rename
+    yapf = pylsp.plugins.yapf_format
+
 [pycodestyle]
 ignore = E226, E722, W504
 max-line-length = 120
 exclude = test/plugins/.ropeproject,test/.ropeproject
 
+
 [tool:pytest]
 testpaths = test
 addopts =
     --cov-report html --cov-report term --junitxml=pytest.xml
     --cov pylsp --cov test
+

Diff for: setup.cfg

@@ -1,98 +1,12 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Copyright 2017-2020 Palantir Technologies, Inc.
 # Copyright 2021- Python Language Server Contributors.
 
-import ast
-import os
-from setuptools import find_packages, setup
+from setuptools import setup, find_packages
 
-HERE = os.path.abspath(os.path.dirname(__file__))
-
-
-def get_version(module='pylsp'):
-    """Get version."""
-    with open(os.path.join(HERE, module, '_version.py'), 'r') as f:
-        data = f.read()
-    lines = data.split('\n')
-    for line in lines:
-        if line.startswith('VERSION_INFO'):
-            version_tuple = ast.literal_eval(line.split('=')[-1].strip())
-            version = '.'.join(map(str, version_tuple))
-            break
-    return version
-
-
-README = open('README.md', 'r').read()
-
-install_requires = [
-    'jedi>=0.17.2,<0.19.0',
-    'python-lsp-jsonrpc>=1.0.0',
-    'pluggy',
-    'ujson>=3.0.0',
-    'setuptools>=39.0.0'
-]
-
-setup(
-    name='python-lsp-server',
-    version=get_version(),
-    description='Python Language Server for the Language Server Protocol',
-    long_description=README,
-    long_description_content_type='text/markdown',
-    url='https://github.com/python-lsp/python-lsp-server',
-    author='Python Language Server Contributors',
-    packages=find_packages(exclude=['contrib', 'docs', 'test', 'test.*']),
-    install_requires=install_requires,
-    python_requires='>=3.7',
-    extras_require={
-        'all': [
-            'autopep8>=1.6.0,<1.7.0',
-            'flake8>=4.0.0,<4.1.0',
-            'mccabe>=0.6.0,<0.7.0',
-            'pycodestyle>=2.8.0,<2.9.0',
-            'pydocstyle>=2.0.0',
-            'pyflakes>=2.4.0,<2.5.0',
-            'pylint>=2.5.0',
-            'rope>=0.10.5',
-            'yapf',
-        ],
-        'autopep8': ['autopep8>=1.6.0,<1.7.0'],
-        'flake8': ['flake8>=4.0.0,<4.1.0'],
-        'mccabe': ['mccabe>=0.6.0,<0.7.0'],
-        'pycodestyle': ['pycodestyle>=2.8.0,<2.9.0'],
-        'pydocstyle': ['pydocstyle>=2.0.0'],
-        'pyflakes': ['pyflakes>=2.4.0,<2.5.0'],
-        'pylint': ['pylint>=2.5.0'],
-        'rope': ['rope>0.10.5'],
-        'yapf': ['yapf'],
-        'test': ['pylint>=2.5.0', 'pytest', 'pytest-cov', 'coverage',
-                 'numpy', 'pandas', 'matplotlib', 'pyqt5', 'flaky'],
-    },
-    entry_points={
-        'console_scripts': [
-            'pylsp = pylsp.__main__:main',
-        ],
-        'pylsp': [
-            'autopep8 = pylsp.plugins.autopep8_format',
-            'folding = pylsp.plugins.folding',
-            'flake8 = pylsp.plugins.flake8_lint',
-            'jedi_completion = pylsp.plugins.jedi_completion',
-            'jedi_definition = pylsp.plugins.definition',
-            'jedi_hover = pylsp.plugins.hover',
-            'jedi_highlight = pylsp.plugins.highlight',
-            'jedi_references = pylsp.plugins.references',
-            'jedi_rename = pylsp.plugins.jedi_rename',
-            'jedi_signature_help = pylsp.plugins.signature',
-            'jedi_symbols = pylsp.plugins.symbols',
-            'mccabe = pylsp.plugins.mccabe_lint',
-            'preload = pylsp.plugins.preload_imports',
-            'pycodestyle = pylsp.plugins.pycodestyle_lint',
-            'pydocstyle = pylsp.plugins.pydocstyle_lint',
-            'pyflakes = pylsp.plugins.pyflakes_lint',
-            'pylint = pylsp.plugins.pylint_lint',
-            'rope_completion = pylsp.plugins.rope_completion',
-            'rope_rename = pylsp.plugins.rope_rename',
-            'yapf = pylsp.plugins.yapf_format'
-        ]
-    },
-)
+if __name__ == "__main__":
+    setup(
+        name="python-lsp-server",  # to allow GitHub dependency tracking work
+        packages=find_packages(exclude=["contrib", "docs", "test", "test.*"]),  # https://github.com/pypa/setuptools/issues/2688
+    )