cadenmyers13 · Oct 15, 2026 · Oct 22, 2026 · Oct 22, 2026
diff --git a/LICENSE_DANSE.rst b/LICENSE_DANSE.rst
@@ -14,7 +14,7 @@ For more information please visit the project web-page at
 
     http://www.diffpy.org
 
-or email Prof. Simon Billinge at sb2896@columbia.edu.
+or email Prof. Simon Billinge at sbillinge@ucsb.edu.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:

diff --git a/devutils/tunePeakPrecision.py b/devutils/tunePeakPrecision.py
@@ -48,7 +48,7 @@
 """
 
 nickel = Structure()
-nickel.readStr(nickel_discus_data, format="discus")
+nickel.read_structure(nickel_discus_data, format="discus")
 
 
 def Gpdffit2(qmax):

diff --git a/docs/examples/distanceprinter.py b/docs/examples/distanceprinter.py
@@ -39,7 +39,7 @@ def _addPairContribution(self, bnds, sumscale):
 """
 
 nickel = Structure()
-nickel.readStr(nickel_discus_data, format="discus")
+nickel.read_structure(nickel_discus_data, format="discus")
 
 bucky = Structure(filename="datafiles/C60bucky.stru", format="discus")
 distprint = DistancePrinter()

diff --git a/news/fix-structure-deprecations.rst b/news/fix-structure-deprecations.rst
@@ -0,0 +1,24 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* Use ``Lattice.cell_parms`` in place of the deprecated ``Lattice.abcABG`` when converting ``diffpy.structure`` objects to silence deprecation warnings.
+* Use ``load_structure``, ``get_parser``, ``parse_file``, ``read_structure``, ``set_latt_parms``, and ``add_new_atom`` in place of the deprecated ``diffpy.structure`` functions in tests, examples, and docstrings.
+
+**Security:**
+
+* <news item>
diff --git a/src/diffpy/srreal/sfaverage.py b/src/diffpy/srreal/sfaverage.py
@@ -25,10 +25,10 @@
     sfavg1 = SFAverage.fromComposition({'Na' : 1, 'Cl' : 1}, xtb, qa)
     sfavg2 = SFAverage.fromComposition([('Mn', 1), ('O', 2)], xtb, qa)
 
-    from diffpy.structure import loadStructure
+    from diffpy.structure import load_structure
     from diffpy.srreal.pdfcalculator import DebyePDFCalculator
     dpdfc = DebyePDFCalculator()
-    dpdfc(loadStructure('rutile.cif'))
+    dpdfc(load_structure('rutile.cif'))
     sfavg3 = SFAverage.fromStructure(dpdfc.getStructure(),
                                      dpdfc.scatteringfactortable, dpdfc.qgrid)
 """

diff --git a/src/diffpy/srreal/structureconverters.py b/src/diffpy/srreal/structureconverters.py
@@ -41,7 +41,7 @@
 @RegisterStructureAdapter("diffpy.structure.structure.Structure")
 def convertDiffPyStructure(stru):
     """Adapt Structure class from diffpy.structure package."""
-    haslattice = (1, 1, 1, 90, 90, 90) != stru.lattice.abcABG()
+    haslattice = (1, 1, 1, 90, 90, 90) != stru.lattice.cell_parms()
     isperiodic = haslattice
     hasmeta = _DiffPyStructureMetadata.hasMetadata(stru)
     if hasmeta:
@@ -173,7 +173,7 @@ def _fetchDiffPyStructureData(adpt, stru):
         aa.uij_cartn = a0.U
         adpt.append(aa)
     if hasattr(adpt, "setLatPar"):
-        adpt.setLatPar(*stru.lattice.abcABG())
+        adpt.setLatPar(*stru.lattice.cell_parms())
         for aa in adpt:
             adpt.toCartesian(aa)
     return

diff --git a/tests/test_bvscalculator.py b/tests/test_bvscalculator.py
@@ -74,7 +74,7 @@ def test_bvrmsdiff(self):
         # check mixed occupancy
         rutilemix = self.rutile.copy()
         for a in self.rutile:
-            rutilemix.addNewAtom(a)
+            rutilemix.add_new_atom(a)
         for a in rutilemix:
             a.occupancy = 0.5
         self.bvc(rutilemix)

diff --git a/tests/test_structureadapter.py b/tests/test_structureadapter.py
@@ -64,7 +64,7 @@ def test_createStructureAdapterTypes(self):
         self.nickel.pdffit = None
         adpt1 = createStructureAdapter(self.nickel)
         self.assertTrue(type(adpt1) is PeriodicStructureAdapter)
-        self.nickel.lattice.setLatPar(1, 1, 1, 90, 90, 90)
+        self.nickel.lattice.set_latt_parms(1, 1, 1, 90, 90, 90)
         adpt2 = createStructureAdapter(self.nickel)
         self.assertTrue(type(adpt2) is AtomicStructureAdapter)
         self.nickel.pdffit = dict(scale=1)

diff --git a/tests/testutils.py b/tests/testutils.py
@@ -14,7 +14,7 @@
     PeriodicStructureAdapter,
     StructureAdapter,
 )
-from diffpy.structure.parsers import getParser
+from diffpy.structure.parsers import get_parser
 
 # helper functions
 
@@ -36,16 +36,16 @@ def loadObjCrystCrystal(filename):
 
 def loadDiffPyStructure(filename):
     fullpath = datafile(filename)
-    stru = mod_structure.loadStructure(fullpath)
+    stru = mod_structure.load_structure(fullpath)
     return stru
 
 
 def loadCrystalStructureAdapter(filename):
     from diffpy.srreal.structureconverters import _fetchDiffPyStructureData
 
     fullpath = datafile(filename)
-    pcif = getParser("cif")
-    stru = pcif.parseFile(fullpath)
+    pcif = get_parser("cif")
+    stru = pcif.parse_file(fullpath)
     asu = stru[:0] + pcif.asymmetric_unit
     adpt = CrystalStructureAdapter()
     _fetchDiffPyStructureData(adpt, asu)