See if this works. Potentially, we can just go for the lowest setupto…

…ols_scm version in this range...

setup.py

@@ -1,21 +1,46 @@
 import setuptools
 import sys
+import pkg_resources
 
+# Get python version
 python_version = sys.version_info
-if python_version < (3, 8):
-    scm_dict = {'write_to': 'eessi/testsuite/_version.py'}
-    scm_require = ['packaging<=21.3', 'setuptools_scm<7']
-    scm_arg_key = "write_to"
-else:
-    scm_dict = {'version_file': 'eessi/testsuite/_version.py', 'fallback_version': '80.0.0'}
-    scm_require = ['setuptools>=61', 'setuptools_scm>=8']
+
+# Get setuptools version
+# We control it when installing from pyproject.toml, but not when installing from setup.py / setup.cfg
+# Check setuptools version
+current_setuptools_version = pkg.resources.parse_version(pkg_resources.get_distribution("setuptools").version)
+
+# Set the version requirement for setuptools_scm, depending on the combination of Python and setuptools version
+if python_version >= (3, 8) and current_setuptools_version >= pgk.resources.parse_version("61.0.0"):
+    setuptools_scm_requirement = 'setuptools_scm>8.0.0,<=8.1.0'
     scm_arg_key = "version_file"
+elif python_version >= (3, 7) and current_setuptools_version >= pkg.resources.parse_version("45.0.0"):
+    setuptools_scm_requirement = 'setuptools_scm>7.0.0,<=7.1.0'
+    scm_arg_key = "write_to"
+elif python_version >= (3, 6) and current_setuptools_version >= pkg.resources.parse_version("45.0.0"):
+    setuptools_scm_requirement = 'setuptools_scm>=6.0.0,<=6.4.2'
+    scm_arg_key = "write_to"
+elif python_version >= (3, 6) and current_setuptools_version >= pkg.resources.parse_version("42.0.0"):
+    setuptools_scm_requirement = 'setuptools_scm>=5.0.0,<=5.0.2'
+    scm_arg_key = "write_to"
+elif python_version >= (3, 6) and current_setuptools_version >= pkg.resources.parse_version("34.4.0"):
+    setuptools_scm_requirement = 'setuptools_scm>=4.0.0,<=4.1.2'
+    scm_arg_key = "write_to"
+
+# if python_version < (3, 8):
+#     scm_dict = {'write_to': 'eessi/testsuite/_version.py'}
+#     scm_require = ['packaging<=21.3', 'setuptools_scm<7']
+#     scm_arg_key = "write_to"
+# else:
+#     scm_dict = {'version_file': 'eessi/testsuite/_version.py', 'fallback_version': '80.0.0'}
+#     scm_require = ['setuptools>=61', 'setuptools_scm>=8']
+#     scm_arg_key = "version_file"
 
 sys.path.append('.')
 from eessi.testsuite import __version__
 
 setuptools.setup(
     use_scm_version={scm_arg_key: 'eessi/testsuite/_version.py', 'fallback_version': __version__},
 #    use_scm_version=scm_dict,
-    setup_requires=scm_require,
+    setup_requires=[setuptools_scm_requirement],
 )