Revert "Updated flitcore and modernized pyproject toml."

This reverts commit 0c6ccd4.

Author: semohr

mediafile/__init__.py

@@ -72,6 +72,7 @@
 )
 from .utils import Image, loadfile, mutagen_call, update_filething
 
+__version__ = "1.0.0-rc1"
 __all__ = [
     "UnreadableFileError",
     "FileTypeError",

mediafile/__version__.py

@@ -1,19 +1,21 @@
 [build-system]
-requires = ["flit_core >=3.11,<4"]
+requires = ["flit_core >=2,<4"]
 build-backend = "flit_core.buildapi"
 
-[project]
-name = "mediafile"
-authors = [
-    { name = "Adrian Sampson", email = "[email protected]" },
+[tool.flit.metadata]
+module = "mediafile"
+author = "Adrian Sampson"
+author-email = "[email protected]"
+home-page = "https://github.com/beetbox/mediafile"
+description-file = "README.rst"
+requires = [
+    "mutagen>=1.46",
+    "filetype>=1.2.0",
 ]
-readme = "README.rst"
-license = "MIT"
-requires-python = ">=3.9"
-description = "A simple, cross-format library for reading and writing media file metadata."
-dynamic = ["version"]
+requires-python = ">=3.7"
 classifiers = [
     'Topic :: Multimedia :: Sound/Audio',
+    'License :: OSI Approved :: MIT License',
     'Environment :: Web Environment',
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
@@ -22,17 +24,8 @@ classifiers = [
     'Programming Language :: Python :: 3.13',
     'Programming Language :: Python :: Implementation :: PyPy',
 ]
-dependencies = [
-    "mutagen>=1.46",
-    "filetype>=1.2.0",
-]
-
-
-[project.urls]
-Documentation = "https://mediafile.readthedocs.io"
-Source = "https://github.com/beetbox/mediafile"
 
-[project.optional-dependencies]
+[tool.flit.metadata.requires-extra]
 dev = [
     "ruff",
     "pytest",

pyproject.toml

@@ -0,0 +1,4 @@
+[nosetests]
+verbosity=1
+logging-clear-handlers=1
+eval-attr="!=slow"