restore DIS polarized compatibility

src/pineko/evolve.py

@@ -61,7 +61,18 @@ def get_ekos_convolution_type(kv):
         conv_type_1 = "PolPDF"
     else:
         conv_type_1 = "UnpolPDF"
-    conv_type_2 = kv.get("convolution_type_2", "UnpolPDF")
+
+    # TODO: initial_state_2 is now deprecated, needed for comatibility
+    if "convolution_particle_2" in kv:
+        part_2 = kv["convolution_particle_2"]
+    else:
+        part_2 = kv["initial_state_2"]
+
+    # check for DIS
+    if check.islepton(float(part_2)):
+        conv_type_2 = None
+    else:
+        conv_type_2 = kv.get("convolution_type_2", "UnpolPDF")
     return conv_type_1, conv_type_2
 
 
@@ -207,7 +218,7 @@ def dump_card(card_path, operators_card, conv_type, suffix=False):
 
     # For hardonic obs we might need to dump 2 eko cards
 
-    if conv_type_a == conv_type_b:
+    if conv_type_b is None or conv_type_a == conv_type_b:
         dump_card(card_path, operators_card, conv_type_a)
     else:
         # dump card_a

src/pineko/theory.py

@@ -322,7 +322,7 @@ def eko(self, name, grid, tcard):
         # setup data
         grid_kv = pineappl.grid.Grid.read(grid).key_values()
         conv_type_a, conv_type_b = evolve.get_ekos_convolution_type(grid_kv)
-        if conv_type_a == conv_type_b:
+        if conv_type_b is None or conv_type_a == conv_type_b:
             names = [name]
         else:
             names = [
@@ -411,7 +411,7 @@ def fk(self, name, grid_path, tcard, pdf):
         conv_type_a, conv_type_b = evolve.get_ekos_convolution_type(kv)
 
         # setup data
-        if conv_type_a == conv_type_b:
+        if conv_type_b is None or conv_type_a == conv_type_b:
             eko_filename = [self.ekos_path() / f"{name}.tar"]
         else:
             eko_filename = [