fix: Add name and version to setup.py for older version of pip (#109)

pyproject.toml

@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "table2ascii"
-version = "1.1.1"
+version = "1.1.2"
 authors = [{name = "Jonah Lawrence", email = "[email protected]"}]
 description = "Convert 2D Python lists into Unicode/ASCII tables"
 readme = "README.md"

setup.py

@@ -1,7 +1,51 @@
 # /usr/bin/env python
+import re
+
 from setuptools import setup
 
-setup(
-    packages=["table2ascii"],
-    package_data={"table2ascii": ["py.typed"]},
-)
+
+def get_name():
+    name = ""
+    with open("pyproject.toml") as f:
+        name = re.search(r'^name = ["\']([^"\']*)["\']', f.read(), re.M)
+    if not name:
+        raise RuntimeError("name is not set")
+    return name.group(1)
+
+
+def get_version():
+    version = ""
+    with open("pyproject.toml") as f:
+        version = re.search(r'^version = ["\']([^"\']*)["\']', f.read(), re.M)
+    if not version:
+        raise RuntimeError("version is not set")
+    return version.group(1)
+
+
+def get_dependencies():
+    with open("pyproject.toml") as f:
+        dependency_match = re.search(r"^dependencies = \[([\s\S]*?)\]", f.read(), re.M)
+    if not dependency_match or not dependency_match.group(1):
+        return []
+    return [
+        dependency.strip().strip(",").strip('"')
+        for dependency in dependency_match.group(1).split("\n")
+        if dependency
+    ]
+
+
+try:
+    # check if pyproject.toml can be used to install dependencies and set the version
+    setup(
+        packages=[get_name()],
+        package_data={get_name(): ["py.typed"]},
+    )
+except Exception:
+    # fallback for old versions of pip/setuptools
+    setup(
+        name=get_name(),
+        packages=[get_name()],
+        package_data={get_name(): ["py.typed"]},
+        version=get_version(),
+        install_requires=get_dependencies(),
+    )