Simplify pip packaging and remove cruft files

package/readme.rst

@@ -5,5 +5,10 @@ Packaging
 While nerd-dictation is intended to run without the need for a build/packaging step,
 some users may find it convenient.
 
-- `Python's pip (setup-tools) <python/readme.rst>`_.
+- Python's pip (setup-tools)
+
+From the parent of the project directory, run:
+
+    pip3 install ./nerd-dictation
+
 - `GNU Guix <guix/readme.rst>`_.

pyproject.toml

@@ -1,2 +1,6 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
 [tool.black]
 line-length = 119

setup.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import setuptools
+import os
+import re
+import glob
+import shutil
+
+def read_file_as_utf8(filepath):
+    with open(filepath, encoding="utf-8") as fh:
+        return fh.read()
+
+
+def main(base_dir):
+
+    doc_dir="share/doc/nerd-dictation"
+    fn="nerd-dictation.py"
+    doc_list=[(doc_dir,list(filter(re.compile(r'.*rst').match, os.listdir("./"))))]
+    for ex in glob.glob("examples/*/"):
+        doc_list.append((os.path.join(doc_dir,ex), [os.path.join(ex,fn)]))
+
+    if os.geteuid()!=0 and os.name=="posix":
+        config_dir=os.path.join(os.path.expanduser("~"),".config/nerd-dictation")
+        if not os.path.isdir(config_dir):
+            os.makedirs(config_dir)
+        shutil.copy("examples/default/nerd-dictation.py",config_dir)
+        # For cross-platform assistance, see: (pypi: appdirs) (github: platformdirs)
+        # For root install, first support /etc/nerd-dictation
+
+    setuptools.setup(
+        name="nerd-dictation",
+        version="0.0.0",
+        maintainer="Campbell Barton",
+        maintainer_email="[email protected]",
+        description="Offline Speech to Text for Desktop",
+        long_description=read_file_as_utf8("readme.rst"),
+        long_description_content_type="text/x-rst",
+        url="https://github.com/ideasman42/nerd-dictation",
+        classifiers=[
+            "Programming Language :: Python :: 3",
+            "Topic :: Office :: Productivity",
+            "Topic :: Accessibility :: Voice",
+            "Operating System :: POSIX :: Linux",
+            "License :: OSI Approved :: GPL v3.0",
+        ],
+        scripts=["nerd-dictation"],
+        data_files=doc_list,
+        packages=[""],
+        package_data={"nerd-dictation": [""]},
+        install_requires=["vosk"],
+        python_requires=">=3.8",
+    )
+
+
+if __name__ == "__main__":
+    main(os.path.abspath(os.path.dirname(__file__)))