adding a setupenv module to examples based on the setting shapeworks …

…environment notebook

.gitattributes

@@ -2,3 +2,6 @@
 *.vtk filter=lfs diff=lfs merge=lfs -text
 *.dcm filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
+
+*.ipynb filter=nbstripout
+*.ipynb diff=ipynb

Examples/Python/setupenv.py

@@ -0,0 +1,40 @@
+import os
+import sys
+import platform
+
+# helper function to print out python path
+def print_python_path():
+    syspath = sys.path.copy()
+    print("\nPython path:")
+    for curpath in syspath:
+        if curpath != "":
+            print(curpath)
+
+# helper function to print out system path
+def print_env_path():
+    syspath = os.environ["PATH"].split(os.pathsep)
+    print("\nSystem path:")
+    for curpath in syspath:
+        if curpath != "":
+            print(curpath)
+
+# helper function to add shapeworks bin directory to the path
+def setup_shapeworks_env(shapeworks_bin_dir,   # path to the binary directory of shapeworks
+                         dependencies_bin_dir, # path to the binary directory of shapeworks dependencies used when running build_dependencies.sh
+                         verbose = True):
+
+    # add shapeworks (and studio on mac) directory to python path 
+    sys.path.append(shapeworks_bin_dir)
+    if platform.system() == "Darwin": # MacOS
+        sys.path.append(shapeworks_bin_dir + "/ShapeWorksStudio.app/Contents/MacOS")
+
+    # add shapeworks and studio to the system path
+    os.environ["PATH"] = shapeworks_bin_dir   + os.pathsep + os.environ["PATH"]
+    os.environ["PATH"] = dependencies_bin_dir + os.pathsep + os.environ["PATH"]
+    if platform.system() == "Darwin": # MacOS
+        os.environ["PATH"] = shapeworks_bin_dir + "/ShapeWorksStudio.app/Contents/MacOS" + os.pathsep + os.environ["PATH"]
+
+    if verbose:
+        print_python_path()
+        print_env_path()
+