add project metadata for PyPI

Author: jameslamb

conda/recipes/rapids-build-backend/meta.yaml

@@ -30,7 +30,7 @@ requirements:
     {% endfor %}
 
 about:
-  home: https://rapids.ai/
+  home: {{ data["project"]["urls"]["Homepage"] }}
   license: {{ pyproject_data["project"]["license"]["text"] }}
   license_file: {{ pyproject_data["tool"]["setuptools"]["license-files"][0] }}
   summary: {{ summary }}
@@ -39,5 +39,5 @@ about:
     RAPIDS. It does not directly perform builds, but rather performs various
     RAPIDS-specific metadata manipulations before calling down to another build
     backend like setuptools to finish the job.
-  doc_url: https://docs.rapids.ai/
-  dev_url: https://github.com/rapidsai/rapids-build-backend
+  dev_url: {{ data["project"]["urls"]["Source"] }}
+  doc_url: {{ data["project"]["urls"]["Documentation"] }}

pyproject.toml

@@ -18,6 +18,12 @@ dependencies = [
     "tomlkit",
 ] # This list was generated by `rapids-dependency-file-generator`. To make changes, edit dependencies.yaml and run `rapids-dependency-file-generator`.
 license = { text = "Apache 2.0" }
+classifiers = [
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: Apache Software License",
+    "Programming Language :: Python :: 3",
+    "Topic :: Software Development :: Build Tools",
+]
 readme = { file = "README.md", content-type = "text/markdown" }
 
 [project.optional-dependencies]
@@ -26,6 +32,11 @@ test = [
     "pytest",
 ] # This list was generated by `rapids-dependency-file-generator`. To make changes, edit dependencies.yaml and run `rapids-dependency-file-generator`.
 
+[project.urls]
+Homepage = "https://github.com/rapidsai/rapids-build-backend"
+Issues = "https://github.com/rapidsai/rapids-build-backend/issues"
+Source = "https://github.com/rapidsai/rapids-build-backend"
+
 [tool.setuptools]
 license-files = ["LICENSE"]