Use inversion instead of verspec

Author: jimporter

CHANGES.md

@@ -76,7 +76,7 @@
 - *pkg-config* `.pc` files now always use POSIX-like paths
 - Fix display of the traceback in a bfg file when building from the build
   directory
-- Replace `packaging` dependency with `verspec` for future stability
+- Replace `packaging` dependency with `inversion` for future stability
 
 [mopack]: https://jimporter.github.io/mopack/
 

bfg9000/versioning.py

@@ -1,8 +1,8 @@
 import platform
 import re
 from itertools import chain
-from verspec.loose import Version, Specifier, SpecifierSet, InvalidSpecifier
-from verspec.python import PythonVersion, PythonSpecifier, PythonSpecifierSet
+from inversion.loose import Version, Specifier, SpecifierSet, InvalidSpecifier
+from inversion.python import PythonVersion, PythonSpecifier, PythonSpecifierSet
 
 from .app_version import version as bfg_version
 from .exceptions import VersionError

doc/developer/backends.md

@@ -57,9 +57,9 @@ The default is the backend with the highest priority that's also "valid" (i.e.
 
 ### backend.version() { #backend-version }
 
-Return the version (as a [*verspec.loose.Version*][verspec] object -- also
+Return the version (as an [*inversion.loose.Version*][inversion] object -- also
 aliased as `bfg9000.versioning.Version`) of this build backend's underlying
 tool. If the tool can't be found (or is otherwise broken), this returns *None*.
 
 [entry-point]: https://setuptools.readthedocs.io/en/latest/setuptools.html#dynamic-discovery-of-services-and-plugins
-[verspec]: https://github.com/jimporter/verspec/
+[inversion]: https://github.com/jimporter/inversion/

mkdocs.py

@@ -1,4 +1,4 @@
-from verspec.python import Version
+from inversion.python import Version
 
 from bfg9000.app_version import version as version_str
 

setup.py

@@ -50,7 +50,7 @@ def run(self):
 }
 
 try:
-    from verspec.python import Version
+    from inversion.python import Version
 
     class DocServe(Command):
         description = 'serve the documentation locally'
@@ -184,9 +184,9 @@ def run(self):
     packages=find_packages(exclude=['test', 'test.*']),
 
     python_requires='>=3.8',
-    install_requires=(
-        ['colorama', 'importlib_metadata', 'pyyaml', 'verspec'] + more_requires
-    ),
+    install_requires=([
+        'colorama', 'importlib_metadata', 'inversion', 'pyyaml'
+    ] + more_requires),
     extras_require={
         'dev': ['coverage', 'flake8 >= 3.7', 'flake8-quotes', 'lxml',
                 'mike >= 2.0.0', 'mkdocs-bootswatch-classic >= 1.0',