improve setup py

Author: nix

flake.nix

@@ -33,6 +33,7 @@
           pyyaml
           scipy
           screeninfo
+          GitPython
         ]))
       ];
       libPath = pkgs.lib.makeLibraryPath mtfgDependencies;
@@ -64,7 +65,7 @@
         pkgs.python39.override { inherit packageOverrides; self = customPythonPackages; };
     in
     {
-      packages.${system}.mtfg = pkgs.stdenv.mkDerivation {
+      packages.${system}.mtfg = pkgs.python39Packages.buildPythonPackage {
         pname = "MTFG";
         version = "0.5.3";
         src = pkgs.fetchgit {
@@ -74,6 +75,11 @@
         };
         buildInputs = mtfgDependencies;
         QT_QPA_PLATFORM = "xcb";
+        postInstall = ''
+          mkdir -p "$out/bin"
+          cp -rfv "$src" "$out/bin/"
+        '';
+
       };
       defaultPackage.${system} = self.packages.x86_64-linux.mtfg;
       formatter.${system} = pkgs.nixpkgs-fmt;

setup.py

@@ -11,13 +11,22 @@
 INCLUDE_REQUIREMENTS = False
 DOCS = ['docs/app/site', 'docs/code/_build/html']
 
-TAGS = sorted(git.Repo('.').tags, key=lambda x: x.commit.committed_datetime) if os.path.exists('.git') else []
+try:
+    TAGS = sorted(git.Repo('.').tags, key=lambda x: x.commit.committed_datetime) if os.path.exists('.git') else []
+except:
+    print("Warning: not a git repository")
+    TAGS = []
 VERSION = str(TAGS[-1]) if len(TAGS) > 0 else "0.0.0"
 
-src = [os.path.join('..', x) \
-        for x in git.Git('.').ls_files().splitlines() \
-        if x.startswith(PACKAGE+os.sep) \
-        and os.path.exists(x)]
+try:
+    src = [os.path.join('..', x) \
+            for x in git.Git('.').ls_files().splitlines() \
+            if x.startswith(PACKAGE+os.sep) \
+            and os.path.exists(x)]
+except:
+    # TODO untested
+    print("Warning fallback to glob")
+    src = [f for f in glob.glob(PACKAGE+os.sep+"*")]
 
 docs = []
 for docs_dir in DOCS: