5 pipeline with unit tests (#10)

---------

Co-authored-by: Julian Piribauer <julian.piribauer@gmail.com>
Co-authored-by: julian <julian.piribauer@gmail.com>
Reviewed-on: #10

sage/toric_topdata.sage

@@ -2,7 +2,6 @@ import numpy as np
 import logging
 import os
 import json
-from datetime import datetime, timezone
 import re
 
 # Logger
@@ -102,7 +101,8 @@ class ToricPolytope(Polytope):
         if no_triangulation < 0 or no_triangulation >= len(self.triangulations):
             raise IndexError("Invalid triangulation index {} (available: 0..{}).".format(no_triangulation, len(self.triangulations) - 1))
         
-        logger.info("Using triangulation index %d of [0..%d].", no_triangulation, len(self.triangulations) - 1)
+        if len(self.triangulations) > 1:
+            logger.info("Using triangulation index %d of [0..%d].", no_triangulation, len(self.triangulations) - 1)
         self.triangulation = self.triangulations[no_triangulation]
     
     def set_nef_partition(self, nef_partition):
@@ -233,7 +233,7 @@ class ToricPolytope(Polytope):
     def _setup_discriminant_symbols(self):
         mori_rays = self.Mori_cone.rays()
 
-        a_vars = [var("a_{}".format(u), latex_name="a_{{}}".format(u)) for u in (1..len(mori_rays))]
+        a_vars = [var("a_{}".format(u), latex_name="a_{{{}}}".format(u)) for u in (1..len(mori_rays))]
         z_vars = var('z', n=len(mori_rays)+1, latex_name='z') # z[0] is superfluous
         lambda_vars = var('l', n=len(mori_rays)+1, latex_name='l') # l[0] is superfluous
         a_row = matrix(a_vars)
@@ -275,7 +275,7 @@ class ToricPolytope(Polytope):
             if polynomials[0] == 0:
                 polynomials = maxima.eliminate(equation_system, lambda_symbols[:-1]).sage()
                 reverse_solve = True
-        except:
+        except Exception:
             # In one-parameter cases there may be nothing to eliminate.
             polynomials = equation_system
             logger.debug("No elimination needed for the equation system: %s", equation_system)
@@ -289,7 +289,7 @@ class ToricPolytope(Polytope):
             else:
                 last_lambda = lambda_symbols[-1]
                 polynomials = [poly / last_lambda ** (poly.degree(last_lambda)) for poly in polynomials]
-        except:
+        except Exception:
             pass
 
         return polynomials