Take more steps closer to uv tooling.

Remove unneded transitive dependencies. Pin pyconfig more exact as the
new version breaks python 3.9.

Author: mikaelfrykholm

LICENSE.txt renamed to LICENSE

@@ -21,10 +21,9 @@ dependencies = [
     "cachetools>=5.5.2",
     "eval-type-backport>=0.2.2 ; python_full_version == '3.9.*'",
     "gunicorn>=23.0.0",
-    "httplib2>=0.7.7",
     "lxml>=4.1.1",
     "mako>=1.3.10",
-    "pyconfig>=3.2.3",
+    "pyconfig>=3.2.3,<3.3.0",
     "pydantic>=2.8",
     "pyramid>=2.0.2",
     "pytz>=2025.2",
@@ -36,14 +35,29 @@ dependencies = [
     "requests-cache>=1.2.1",
     "requests-file>=2.1.0",
     "setuptools>=78.1.1",
-    "simplejson>=2.6.2",
     "str2bool>=1.1",
-    "urllib3==1.26.19",
     "whoosh>=2.7.4",
     "wsgi-intercept>=1.13.1",
     "xmldiff>=2.7.0",
-    "zipp>=3.19.1",
 ]
+
+[dependency-groups]
+docs = ["sphinx",
+     "sphinx-rtd-theme"
+]
+dev = [
+    "coverage",
+    "fakeredis>=1.0.5",
+    "funcsigs",
+    "isort",
+    "mako",
+    "mock",
+    "pbr",
+    "pytest>=6.0.0",
+    "pytest-cov",
+    "wsgi_intercept",
+]
+
 [project.scripts]
 pyff = "pyff.md:main"
 pyffd = "pyff.mdq:main"
@@ -86,3 +100,7 @@ all_files = "1"
 
 [tool.upload_sphinx]
 upload-dir = "docs/build/html"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"