401: Migrate install to pyproject.toml (#414)

* 401: Migrate install to pyproject.toml

* remove modification to __init__.py

* Remove setup.py references from docs

README.md

@@ -15,10 +15,10 @@ For information about the support provided for releases, see our [Release Suppor
 Instructions for installing the metcalcpy package locally
 ---------------------------------------------------------
 - activate your conda environment (i.e. 'conda activate your-conda-env-name')
-- from within your active conda environment, cd to the METcalcpy/ directory, where you will see the setup.py script
+- from within your active conda environment, cd to the METcalcpy/ directory, where you will see the file pyproject.toml
 - from this directory, run the following on the command line: pip install -e .
 - the -e option stands for editable, which is useful in that you can update your METcalcpy/metcalcpy source without reinstalling it 
-- the . indicates that you should search the current directory for the setup.py script
+- the . indicates that you should search the current directory for the pyproject.toml file.
 
 - use metcalcpy package via import statement:
   - Examples:

docs/Users_Guide/installation.rst

@@ -39,7 +39,7 @@ METcalcpy source code, e.g. `/User/someuser/METcalcpy`.  From this directory, ru
 
 `pip install -e .`
 
-This instructs pip to install the package based on instructios in the setup.py file located in the current directory
+This instructs pip to install the package based on instructios in the pyproject.toml file located in the current directory
 (as indicated by the '.').  The `-e` directs pip to install the package in edit mode, so if one wishes to make changes
 to this source code, the changes are automatically applied without the need to re-install the package.
 

docs/version

@@ -1 +1 @@
-__version__="3.0.0-dev"
+3.0.0-rc1-dev

pyproject.toml

@@ -0,0 +1,62 @@
+[build-system]
+requires = [
+    "setuptools",
+    "wheel",
+    "setuptools-git-versioning>=2.0,<3",
+]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "metcalcpy"
+dynamic = ["version", "dependencies"]
+description = "statistics and util package for METplus"
+authors = [
+    {name = "METplus"},
+]
+requires-python = ">=3.10.4"
+readme = "README.md"
+license = {text = "MIT"}
+classifiers = [
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3",
+]
+
+[project.urls]
+Homepage = "https://github.com/dtcenter/METcalcpy"
+
+[tool.setuptools.packages]
+find = {include = ["metcalcpy*"]}
+
+[tool.setuptools.package-data]
+metplus = [
+  "docs/version"
+]
+
+[tool.setuptools.exclude-package-data]
+metplus = ["README", "__pycache__", "*~"]
+
+[tool.setuptools.dynamic]
+dependencies = {file = ["requirements.txt"]}
+
+[tool.setuptools-git-versioning]
+enabled = true
+version_file = "docs/version"
+
+[tool.pytest.ini_options]
+testpaths = ["test"]
+
+[tool.coverage.run]
+source = ["metcalcpy"]
+omit = [
+    "config.py",
+    "config-3.py",
+    "metcalcpy/contributed/*",
+    ]
+relative_files = true
+
+[tool.coverage.report]
+exclude_also = [
+    "def __repr__",
+    "if __name__ == .__main__.:",
+    ]