more verbose output; simplify one example

Examples/Python/sim03_Structures/Interference1DLattice.py

@@ -7,7 +7,7 @@ import bornagain as ba
 from bornagain import deg, angstrom, nm
 
 
-def get_sample(lattice_rotation_angle=45*deg):
+def get_sample():
     """
     Returns a sample with a grating on a substrate,
     modelled by very long boxes forming a 1D lattice with Cauchy correlations.
@@ -21,8 +21,7 @@ def get_sample(lattice_rotation_angle=45*deg):
     lattice_length = 30*nm
 
     # collection of particles
-    interference = ba.InterferenceFunction1DLattice(lattice_length,
-                                                    lattice_rotation_angle)
+    interference = ba.InterferenceFunction1DLattice(lattice_length, 45*deg)
     pdf = ba.FTDecayFunction1DCauchy(1000.0)
     interference.setDecayFunction(pdf)
 

devtools/code-tools/normalize-getsample.py

@@ -43,8 +43,12 @@ def substitute_sample(ti, tc):
 
 def retrieve_sample(ti, fname):
     c = compile(ti, fname, 'exec')
+    if verbose:
+        print(f'.. compiled sample code')
     ns = {}
     exec(c, ns)
+    if verbose:
+        print(f'.. executed sample code')
     globals().update(ns)
     return get_sample()
 
@@ -54,6 +58,8 @@ def cycle_sample(ti, fname):
     Returns normalized version of script ti as obtained from BornAgain's export-to-Python function.
     """
     sam = retrieve_sample(ti, fname)
+    if verbose:
+        print(f'.. retrieved sample')
     res = ba.generateSampleCode(sam)
     if verbose:
         print(f'.. cycled get_sample, {len(res.split())} lines')