copied the create_id helper from compas_fab

Author: chenkasirer

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+* Added `create_id` to `compas_ghpython.utilities`. (moved from `compas_fab`)
+
 ### Changed
 
 * Fixed bug that caused a new-line at the end of the `compas.HERE` constant in IronPython for Mac.

src/compas_ghpython/utilities/__init__.py

@@ -52,6 +52,7 @@
     :toctree: generated/
 
     unload_modules
+    create_id
 
 """
 from __future__ import absolute_import
@@ -93,4 +94,27 @@
     "list_to_ghtree",
     "ghtree_to_list",
     "update_component",
+    "create_id",
 ]
+
+
+def create_id(component, name):
+    """Creates an identifier string using `name` and the ID of the component passed to it.
+
+    The resulting string can be used to store data elements in the global sticky dictionary.
+    This can be useful when setting variable in a condition activated by a button.
+
+    Paramaters
+    ----------
+    components : `ghpythonlib.componentbase.executingcomponent`
+        The components instance. Use `self` in advanced (SDK) mode and `ghenv.Components` otherwise.
+    name : str
+        A user chosen prefix for the identifier.
+
+    Returns
+    -------
+    str
+        For example: `somename55dd-c7cc-43c8-9d6a-65e4c8503abd`
+
+    """
+    return "{}_{}".format(name, component.InstanceGuid)