Added Fix string values tool to toolbox

Scripts/GeMS_FixStrings_AGP2.py

@@ -0,0 +1,69 @@
+#   Script to clean up string fields in a GeMS database
+##      Removes leading and trailing spaces
+##      Converts "<null>", "" and similar to <null> (system nulls).
+#       Ralph Haugerud, 28 July 2020
+#       Updated to Python 3, 8/20/21 and added to toolbox, Evan Thoms
+
+import arcpy, os, os.path, sys
+from GeMS_utilityFunctions import *
+
+versionString = 'GeMS_FixStrings_AGP2.py, version of 20 August 2020'
+rawurl = 'https://raw.githubusercontent.com/usgs/gems-tools-pro/master/Scripts/GeMS_FixStrings_AGP2.py'
+checkVersion(versionString, rawurl, 'gems-tools-pro')
+
+def fixTableStrings(fc):
+    fields1 = arcpy.ListFields(fc,'','String')
+    fields = ['OBJECTID']
+    for f in fields1:
+        fields.append(f.name)
+    with arcpy.da.UpdateCursor(fc, fields) as cursor:
+        for row in cursor:
+            trash = ''
+            updateRowFlag = False
+            row1 = [row[0]]
+            for f in row[1:]:
+                updateFieldFlag = False
+                f0 = f
+                if f != None:
+                    if f != f.strip():
+                        f = f.strip()
+                        updateFieldFlag = True
+                    if f.lower() == '<null>' or f == '':
+                        f = None
+                        updateFieldFlag = True
+                    if updateFieldFlag:
+                        updateRowFlag = True
+                        addMsgAndPrint( ' '+str(row[0])+' **'+ str(f0)+'**')
+                row1.append(f)
+            if updateRowFlag:
+                try:
+                    cursor.updateRow(row1)
+                except:
+                    addMsgAndPrint('failed to update row '+str(row[0])+'. Perhaps a field is not nullable')
+
+#########################
+
+db = sys.argv[1]
+
+addMsgAndPrint(versionString)
+arcpy.env.workspace = db
+
+tables = arcpy.ListTables()
+for tb in tables:
+    addMsgAndPrint(' ')
+    addMsgAndPrint(os.path.basename(tb))
+    fixTableStrings(tb)
+
+datasets = arcpy.ListDatasets(feature_type='feature')
+datasets = [''] + datasets if datasets is not None else []
+for ds in datasets:
+    for fc in arcpy.ListFeatureClasses(feature_dataset=ds):
+        path = os.path.join(arcpy.env.workspace, ds, fc)
+        addMsgAndPrint(' ')
+        addMsgAndPrint(os.path.basename(fc))
+        try:
+            fixTableStrings(path)
+        except:
+            addMsgAndPrint('  failed to fix strings')
+
+addMsgAndPrint('DONE')