Make all previously packaged examples attributes retro-compatible (#475)

Author: PProfizi

src/ansys/dpf/post/examples/__init__.py

@@ -15,3 +15,48 @@
 
 # must copy files over when using docker
 # running_docker = os.environ.get('DPF_DOCKER', False)
+
+
+# called if module.<name> fails
+def __getattr__(name):
+    if name == "simple_bar":
+        global simple_bar
+        simple_bar = find_simple_bar()
+        return simple_bar
+    elif name == "static_rst":
+        global static_rst
+        static_rst = find_static_rst()
+        return static_rst
+    elif name == "complex_rst":
+        global complex_rst
+        complex_rst = find_complex_rst()
+        return complex_rst
+    elif name == "multishells_rst":
+        global multishells_rst
+        multishells_rst = find_multishells_rst()
+        return multishells_rst
+    elif name == "electric_therm":
+        global electric_therm
+        electric_therm = find_electric_therm()
+        return electric_therm
+    elif name == "steady_therm":
+        global steady_therm
+        steady_therm = find_steady_therm()
+        return steady_therm
+    elif name == "transient_therm":
+        global transient_therm
+        transient_therm = find_transient_therm()
+        return transient_therm
+    elif name == "msup_transient":
+        global msup_transient
+        msup_transient = find_msup_transient()
+        return msup_transient
+    elif name == "simple_cyclic":
+        global simple_cyclic
+        simple_cyclic = find_simple_cyclic()
+        return simple_cyclic
+    elif name == "distributed_msup_folder":
+        global distributed_msup_folder
+        distributed_msup_folder = find_distributed_msup_folder()
+        return distributed_msup_folder
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")