Add support for editing calendar work and exception times and recurring work times

src/ifcopenshell-python/ifcopenshell/api/sequence/assign_recurrence_pattern.py

@@ -0,0 +1,21 @@
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {"parent": None, "recurrence_type": "WEEKLY"}
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        recurrence = self.file.createIfcRecurrencePattern(self.settings["recurrence_type"])
+
+        if self.settings["parent"].is_a("IfcWorkTime"):
+            if (
+                self.settings["parent"].RecurrencePattern
+                and len(self.file.get_inverse(self.settings["parent"].RecurrencePattern)) == 1
+            ):
+                self.file.remove(self.settings["parent"].RecurrencePattern)
+            self.settings["parent"].RecurrencePattern = recurrence
+        elif self.settings["parent"].is_a("IfcTaskTimeRecurring"):
+            if len(self.file.get_inverse(self.settings["parent"].Recurrence)) == 1:
+                self.file.remove(self.settings["parent"].Recurrence)
+            self.settings["parent"].Recurrence = recurrence