Relaxed a bunch of dependencies and removed setuptools (#454)

pyproject.toml

@@ -36,23 +36,22 @@ vpype = "vpype_cli.cli:cli"
 python = ">=3.8, <3.11"
 cachetools = ">=4.2.2"
 click = ">=8.0.1,<8.2.0"
-multiprocess = "^0.70.11"
+multiprocess = ">=0.70.11"
 numpy = ">=1.20"
-pnoise = "^0.1.0"
+pnoise = ">=0.1.0"
 Shapely = {extras = ["vectorized"], version = ">=1.8.1.post1"}  # 1.8.1 breaks win installer
-scipy = "^1.6"
-setuptools = "^51.0.0"
+scipy = ">=1.6"
 svgelements = ">=1.6.10"
 svgwrite = "~1.4"
-tomli = "^2.0.0"
-asteval = "^0.9.26"
+tomli = ">=2.0.0"
+asteval = ">=0.9.26"
 
 # additional dependencies for the viewer and the `show` command
 matplotlib = { version = ">=3.3.2,<3.6.0", optional = true }
 glcontext = { version = ">=2.3.2", optional = true }  # 2.3.2 needed to fix #200
-moderngl = { version = "^5.6.2", optional = true }
+moderngl = { version = ">=5.6.2", optional = true }
 Pillow = { version = ">=9.0.1", optional = true }
-PySide2 = { version = "^5.15.2", optional = true }
+PySide2 = { version = ">=5.15.2", optional = true }
 
 
 [tool.poetry.dev-dependencies]
@@ -62,7 +61,7 @@ pytest-cov = ">=2.11.0"
 pytest-benchmark = ">=3.2.3"
 black = ">=22.3.0"
 isort = ">=5.8.0"
-pyinstaller = "^4.3"
+pyinstaller = ">=4.3"
 pyinstaller-hooks-contrib = ">=2022.3"  # fix for shapely 1.8.1
 packaging = ">=20.8"
 pytest-mpl = ">=0.12"

vpype/__init__.py

@@ -14,9 +14,9 @@
 
 
 def _get_version() -> str:
-    import pkg_resources
+    from importlib.metadata import version
 
-    return pkg_resources.get_distribution("vpype").version
+    return version(__name__)
 
 
 __version__ = _get_version()