use pyproject.toml

.flake8

@@ -2,5 +2,3 @@
 max-line-length = 132
 ignore = E501,W504, W503
 exclude = .git,__pycache__,.eggs/,doc/,docs/,build/,dist/,archive/
-per-file-ignores =
-    __init__.py:F401

.github/workflows/ci.yml

@@ -4,35 +4,29 @@ on:
   push:
     paths:
     - "*.py"
-  pull_request:
-    paths:
-    - "*.py"
+    - ".github/workflows/ci.yml"
 
 jobs:
 
-  linux:
-    runs-on: ubuntu-latest
+  core:
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+
+    runs-on: ${{ matrix.os }}
+
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v5
       with:
         python-version: '3.x'
+
+    - uses: actions/checkout@v4
+
     - run: pip install .[tests,lint]
+
     - run: flake8
+
     - run: mypy
-    - run: pytest
-      working-directory: tests
 
-  integration:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [windows-latest, macos-latest]
-    steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
-      with:
-        python-version: '3.x'
-    - run: pip install .[tests]
     - run: pytest
-      working-directory: tests

LoadMSPdata.py

@@ -4,14 +4,6 @@
 import dmsp
 import dmsp.plots as dmp
 
-try:
-    import seaborn as sns
-
-    sns.set_context("talk", font_scale=1.25)
-    sns.set_style("ticks")
-except ImportError:
-    pass
-
 """
 Note: elevation from North Horizon, so to get near magnetic zenith at Poker Flat we use elevation angles
     FROM NORTH of 95-110 degrees corresponding to symmetric about 77.5 elevation angle
@@ -36,44 +28,36 @@
 -r 0.5 1 3 is a starting point for 6300/4278 ratio
 """
 
-
-def main():
-    p = ArgumentParser(
-        description="reading Poker Flat Research Range Meridian Scanning Photometer"
-    )
-    p.add_argument("ncfn", help="netCDF data file name to read")
-    p.add_argument("-t", "--tlim", help="time window to zoom plot in on", nargs=2)
-    p.add_argument(
-        "-e", "--elim", help="elevation limits to plot FROM NORTH HORIZON", nargs=2, type=float
-    )
-    p.add_argument(
-        "-r",
-        "--ratlim",
-        help="min,mid,max of ratio plot colormap",
-        nargs=3,
-        type=float,
-        default=[0.5, 1, 3],
-    )
-    p.add_argument("--wl", help="wavelengths to ratio [A]", nargs=2)
-    p.add_argument(
-        "--elfid",
-        help="elevation angles at which to place fiducials (for other camera)",
-        type=float,
-        nargs=2,
-        default=[],
-    )
-    p.add_argument("-v", "--verbose", action="store_true")
-    p = p.parse_args()
-
-    Intensity = dmsp.load(p.ncfn, p.tlim, p.elim)
-    dmp.plotmspspectra(Intensity, p.elfid)
-    # %% ratios
-    if p.wl:
-        ratio = Intensity[p.wl[0]] / Intensity[p.wl[1]]
-        dmp.plotratio(ratio, p.wl, Intensity, p.elfid, p.ratlim, p.verbose)
-
-    show()
-
-
-if __name__ == "__main__":
-    main()
+p = ArgumentParser(description="reading Poker Flat Research Range Meridian Scanning Photometer")
+p.add_argument("ncfn", help="netCDF data file name to read")
+p.add_argument("-t", "--tlim", help="time window to zoom plot in on", nargs=2)
+p.add_argument(
+    "-e", "--elim", help="elevation limits to plot FROM NORTH HORIZON", nargs=2, type=float
+)
+p.add_argument(
+    "-r",
+    "--ratlim",
+    help="min,mid,max of ratio plot colormap",
+    nargs=3,
+    type=float,
+    default=[0.5, 1, 3],
+)
+p.add_argument("--wl", help="wavelengths to ratio [A]", nargs=2)
+p.add_argument(
+    "--elfid",
+    help="elevation angles at which to place fiducials (for other camera)",
+    type=float,
+    nargs=2,
+    default=[],
+)
+p.add_argument("-v", "--verbose", action="store_true")
+a = p.parse_args()
+
+Intensity = dmsp.load(a.ncfn, a.tlim, a.elim)
+dmp.plotmspspectra(Intensity, a.elfid)
+# %% ratios
+if a.wl:
+    ratio = Intensity[a.wl[0]] / Intensity[a.wl[1]]
+    dmp.plotratio(ratio, a.wl, Intensity, a.elfid, a.ratlim, a.verbose)
+
+show()

README.md

@@ -1,14 +1,12 @@
 # Digital Meridian Spectrometer
 
 [![image](https://zenodo.org/badge/DOI/10.5281/zenodo.167565.svg)](https://doi.org/10.5281/zenodo.167565)
-[![Language grade: Python](https://img.shields.io/lgtm/grade/python/g/space-physics/digital-meridian-spectrometer.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/space-physics/digital-meridian-spectrometer/context:python)
-![ci](https://github.com/space-physics/digital-meridian-spectrometer/workflows/ci/badge.svg)
-[![PyPi version](https://img.shields.io/pypi/pyversions/dmsp.svg)](https://pypi.python.org/pypi/dmsp)
-[![PyPi Download stats](http://pepy.tech/badge/dmsp)](http://pepy.tech/project/dmsp)
+[![ci](https://github.com/space-physics/digital-meridian-spectrometer/actions/workflows/ci.yml/badge.svg)](https://github.com/space-physics/digital-meridian-spectrometer/actions/workflows/ci.yml)
+[![PyPI Download stats](http://pepy.tech/badge/dmsp)](http://pepy.tech/project/dmsp)
 
 For Geophysical Institute's Poker Flat Digital Meridian Spectrometer, which uses NetCDF
 
-![example of PF-DMSP data](tests/demo.png)
+![example of PF-DMSP data](src/dmsp/tests/demo.png)
 
 This library is also usable from Matlab, as seen in `dmsp.m`.
 
@@ -19,56 +17,20 @@ This library is also usable from Matlab, as seen in `dmsp.m`.
 * [other dates](http://optics.gi.alaska.edu/realtime/data/archive/PKR_MSP_X/)
 * FTP: ftp://optics.gi.alaska.edu/PKR/DMSP
 
-## Install
+Install:
 
 ```sh
 python -m pip install -e .
 ```
 
-### Matlab
+[LoadMSPdata.py](./LoadMSPdata.py) creates many plots.
 
-Matlab users need:
-
-* Matlab ≥ R2018b
-* `dmsp` package installed into the [Python environment associated with Matlab](https://www.scivision.dev/matlab-python-user-module-import/#switching-python-version)
-
-## Usage
-
-`LoadMSPdata.py` creates many plots.
-
-Use as a Python module is like:
+Use as a Python module:
 
 ```python
 import dmsp
 
 dat = dmsp.load('~/data/myfile.PF')
 ```
 
-which returns [xarray.Dataset](http://xarray.pydata.org/en/stable/generated/xarray.Dataset.html)
-
-## Notes
-
-Graphically browse the files with the `ncview` program:
-
-```sh
-apt install ncview
-```
-
-### Error: libnetcdf.so.7
-
-if you get
-
-> ImportError: libnetcdf.so.7: cannot open shared object file: No such file or directory
-
-try:
-
-```sh
-apt install libnetcdf-dev
-python -m pip install netcdf4
-```
-
-or
-
-```sh
-conda install netcdf4
-```
+which returns [xarray.Dataset](https://docs.xarray.dev/en/stable/generated/xarray.Dataset.html)

pyproject.toml

@@ -1,5 +1,34 @@
 [build-system]
-requires = ["setuptools", "wheel"]
+requires = ["setuptools>=61.0.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "dmsp"
+description = "Load and plot UAF Geophysical Institute Digital Meridian Spectrometer data"
+keywords = [ "aurora", "spectrograph" ]
+classifiers = [
+  "Development Status :: 4 - Beta",
+  "Environment :: Console",
+  "Intended Audience :: Science/Research",
+  "Programming Language :: Python :: 3",
+  "Topic :: Scientific/Engineering :: Atmospheric Science"
+]
+dependencies = ["netCDF4", "xarray", "numpy", "python-dateutil"]
+requires-python = ">=3.8"
+dynamic = ["version", "readme"]
+
+[tool.setuptools.dynamic]
+readme = {file = ["README.md"], content-type = "text/markdown"}
+version = {attr = "dmsp.__version__"}
+
+[project.optional-dependencies]
+tests = ["pytest"]
+lint = ["flake8", "flake8-bugbear", "flake8-builtins", "flake8-blind-except", "mypy",
+  "types-python-dateutil", "types-requests"]
+
+[tool.mypy]
+files = ["src"]
+ignore_missing_imports = true
 
 [tool.black]
 line-length = 99