Merge pull request #1006 from vasole/community

Add community requested modules (if present)

package/cxfreeze/cx_setup.py

@@ -67,7 +67,7 @@
 includes = []
 
 # This module basically does not work with frozen versions
-excludes.append("multiprocessing")
+#excludes.append("multiprocessing")
 
 #some standard encodings
 #includes.append('encodings.ascii')
@@ -204,7 +204,35 @@ def dummy_hook(*var, **kw):
 special_modules += [os.path.dirname(collections.__file__)]
 
 # no scipy (huge package not used by PyMca)
-excludes += ["scipy"]
+#excludes += ["scipy"]
+# community requested modules
+try:
+    import scipy
+    special_modules.append(os.path.dirname(scipy.__file__))
+except ImportError:
+    print("scipy not available, not added to the frozen executables")
+
+try:
+    import sklearn
+    import threadpoolctl
+    import joblib
+    import prompt_toolkit
+    #special_modules.append(os.path.dirname(sklearn.__file__))
+    includes.append("sklearn")
+    special_modules.append(os.path.dirname(joblib.__file__))
+    special_modules.append(threadpoolctl.__file__)
+    special_modules.append(os.path.dirname(prompt_toolkit.__file__))
+except ImportError:
+    print("scikit-learn not available, not added to the frozen executables")
+    sklearn = None
+
+try:
+    import umap
+    import pynndescent
+    includes.append("umap")
+    special_modules.append(os.path.dirname(pynndescent.__file__))
+except ImportError:
+    print("umap-learn not available, not added to the frozen executables")
 
 # give some time to read the output
 time.sleep(2)
@@ -241,6 +269,9 @@ def dummy_hook(*var, **kw):
     "zip_exclude_packages":["*"]}
     #"compressed": True, }
 
+if sklearn:
+    build_options["include_msvcr"] = True
+
 if sys.platform.startswith("darwin") and cxVersion not in ["6.11.1"]:
     # something got wrong starting with cx_Freeze 6.12.0
     # see https://github.com/marcelotduarte/cx_Freeze/issues/1671