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-rwxr-xr-xsrc/python/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py19
1 files changed, 13 insertions, 6 deletions
diff --git a/src/python/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py b/src/python/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py
index 4903667e..e1e572df 100755
--- a/src/python/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py
+++ b/src/python/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py
@@ -1,11 +1,15 @@
#!/usr/bin/env python
import argparse
+import errno
+import os
import matplotlib.pyplot as plot
import gudhi
-""" This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
- See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+""" This file is part of the Gudhi Library - https://gudhi.inria.fr/ -
+ which is released under MIT.
+ See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full
+ license details.
Author(s): Vincent Rouvreau
Copyright (C) 2016 Inria
@@ -44,8 +48,9 @@ args = parser.parse_args()
with open(args.file, "r") as f:
first_line = f.readline()
if (first_line == "OFF\n") or (first_line == "nOFF\n"):
- print("#####################################################################")
- print("EuclideanStrongWitnessComplex creation from points read in a OFF file")
+ print("##############################################################")
+ print("EuclideanStrongWitnessComplex creation from points read "\
+ "in a OFF file")
witnesses = gudhi.read_points_from_off_file(off_file=args.file)
landmarks = gudhi.pick_n_random_points(
@@ -64,7 +69,8 @@ with open(args.file, "r") as f:
witnesses=witnesses, landmarks=landmarks
)
simplex_tree = witness_complex.create_simplex_tree(
- max_alpha_square=args.max_alpha_square, limit_dimension=args.limit_dimension
+ max_alpha_square=args.max_alpha_square,
+ limit_dimension=args.limit_dimension
)
message = "Number of simplices=" + repr(simplex_tree.num_simplices())
@@ -79,6 +85,7 @@ with open(args.file, "r") as f:
gudhi.plot_persistence_diagram(diag, band=args.band)
plot.show()
else:
- print(args.file, "is not a valid OFF file")
+ raise FileNotFoundError(errno.ENOENT, os.strerror(errno.ENOENT),
+ args.file)
f.close()