Merge pull request #310 from brian-team/update_build_system

Update build system

.git_archival.txt

@@ -0,0 +1,4 @@
+node: $Format:%H$
+node-date: $Format:%cI$
+describe-name: $Format:%(describe:tags=true,match=*[0-9]*)$
+ref-names: $Format:%D$

.gitattributes

@@ -1 +1 @@
-brian2cuda/_version.py export-subst
+.git_archival.txt  export-subst

MANIFEST.in

@@ -1,5 +1,4 @@
 # Versioneer files
-include versioneer.py
 include brian2cuda/_version.py
 
 # Documentation
@@ -10,3 +9,5 @@ include docs_sphinx/make.bat
 include docs_sphinx/Makefile
 recursive-include docs_sphinx *.rst
 prune docs_sphinx/reference  # will be generated automatically
+prune dev
+prune brian2cuda/tools

brian2cuda/__init__.py

@@ -9,9 +9,26 @@
 from . import timedarray
 
 
-from . import _version
+try:
+    from ._version import __version__, __version_tuple__
+except ImportError:
+    try:
+        from setuptools_scm import get_version
 
-__version__ = _version.get_versions()["version"]
+        __version__ = get_version(
+            root="..",
+            relative_to=__file__,
+            version_scheme="post-release",
+            local_scheme="no-local-version",
+        )
+        __version_tuple__ = tuple(int(x) for x in __version__.split(".")[:3])
+    except ImportError:
+        logging.getLogger("brian2cuda").warn(
+            "Cannot determine Brian2CUDA version, running from source and "
+            "setuptools_scm is not installed."
+        )
+        __version__ = "unknown"
+        __version_tuple__ = (0, 0, 0)
 
 
 # make the test suite available via brian2cuda.test()
@@ -56,4 +73,4 @@ def example_run(device_name="cuda_standalone", directory=None, **build_options):
     assert_allclose(G.v, np.arange(N) / N * np.exp(-1 * ms / tau))
     device.reinit()
     device.activate()
-    print("\nExample run was successful.")
+    print("\nExample run was successful.")