Import INI files: handle INI RK matching and refresh table after import

src/Model/InitialConditions/InitialConditions.py

@@ -19,6 +19,7 @@
 import logging
 
 from copy import copy, deepcopy
+from math import isclose
 from tools import trace, timer
 from functools import reduce
 from numpy import interp
@@ -440,14 +441,26 @@ class InitialConditions(SQLSubModel):
     def new_from_data(self, rk, discharge, elevation):
         n = Data(reach=self._reach, status=self._status)
 
+        # Values read from Mage INI files are strings, whereas profile RK
+        # values are stored as floats.  Normalize the imported value before
+        # looking up its associated profile.
+        rk = float(rk)
+
         section = reduce(
             lambda acc, s: (
-                s if s.rk == rk else acc
+                s if isclose(s.rk, rk, rel_tol=1e-9, abs_tol=1e-9)
+                else acc
             ),
             self._reach.reach.profiles,
             None
         )
 
+        if section is None:
+            raise ValueError(
+                f"No profile with RK {rk} exists in reach "
+                f"{self._reach.name}"
+            )
+
         n['section'] = section
         n['discharge'] = discharge
         n['elevation'] = elevation

src/View/InitialConditions/Table.py

@@ -290,8 +290,6 @@ class InitialConditionTableModel(PamhyrTableModel):
             logger.error("No results data")
             return
 
-        self.layoutAboutToBeChanged.emit()
-
         ts = max(results.get("timestamps"))
         res_reach = results.river.get_reach_by_geometry(
             self._reach.reach
@@ -307,19 +305,15 @@ class InitialConditionTableModel(PamhyrTableModel):
             )
         )
 
-        self._undo.push(
-            ReplaceDataCommand(
-                self._lst,
-                list(
+        new_data = list(
             map(
                 lambda d: self._lst.new_from_data(*d),
                 data
             )
         )
-            )
-        )
 
         self.layoutAboutToBeChanged.emit()
+        self._undo.push(ReplaceDataCommand(self._lst, new_data))
         self.layoutChanged.emit()
 
     def read_from_ini(self, file_name):
@@ -355,17 +349,16 @@ class InitialConditionTableModel(PamhyrTableModel):
                                         line_split[2],
                                         line_split[3]])
 
-        self._undo.push(
-            ReplaceDataCommand(
-                self._lst,
-                list(
+        new_data = list(
             map(
                 lambda d: self._lst.new_from_data(*d),
                 data
             )
         )
-            )
-        )
+
+        self.layoutAboutToBeChanged.emit()
+        self._undo.push(ReplaceDataCommand(self._lst, new_data))
+        self.layoutChanged.emit()
 
     def undo(self):
         self._undo.undo()