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-rw-r--r--src/python/gudhi/reader_utils.pyx41
1 files changed, 20 insertions, 21 deletions
diff --git a/src/python/gudhi/reader_utils.pyx b/src/python/gudhi/reader_utils.pyx
index 147fae71..fe1c3a2e 100644
--- a/src/python/gudhi/reader_utils.pyx
+++ b/src/python/gudhi/reader_utils.pyx
@@ -1,3 +1,12 @@
+# 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) 2017 Inria
+#
+# Modification(s):
+# - YYYY/MM Author: Description of the modification
+
from cython cimport numeric
from libcpp.vector cimport vector
from libcpp.string cimport string
@@ -7,16 +16,6 @@ from libcpp.pair cimport pair
from os import path
from numpy import array as np_array
-""" 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) 2017 Inria
-
- Modification(s):
- - YYYY/MM Author: Description of the modification
-"""
-
__author__ = "Vincent Rouvreau"
__copyright__ = "Copyright (C) 2017 Inria"
__license__ = "MIT"
@@ -35,30 +34,30 @@ def read_lower_triangular_matrix_from_csv_file(csv_file='', separator=';'):
:type separator: char
:returns: The lower triangular matrix.
- :rtype: vector[vector[double]]
+ :rtype: List[List[float]]
"""
- if csv_file is not '':
+ if csv_file:
if path.isfile(csv_file):
- return read_matrix_from_csv_file(str.encode(csv_file), ord(separator[0]))
+ return read_matrix_from_csv_file(csv_file.encode('utf-8'), ord(separator[0]))
print("file " + csv_file + " not set or not found.")
return []
def read_persistence_intervals_grouped_by_dimension(persistence_file=''):
"""Reads a file containing persistence intervals.
Each line might contain 2, 3 or 4 values: [[field] dimension] birth death
- The return value is an `map[dim, vector[pair[birth, death]]]`
- where `dim` is an `int`, `birth` a `double`, and `death` a `double`.
+ The return value is a `dict(dim, list(tuple(birth, death)))`
+ where `dim` is an `int`, `birth` a `float`, and `death` a `float`.
Note: the function does not check that birth <= death.
:param persistence_file: A persistence file style name.
:type persistence_file: string
:returns: The persistence pairs grouped by dimension.
- :rtype: map[int, vector[pair[double, double]]]
+ :rtype: Dict[int, List[Tuple[float, float]]]
"""
- if persistence_file is not '':
+ if persistence_file:
if path.isfile(persistence_file):
- return read_pers_intervals_grouped_by_dimension(str.encode(persistence_file))
+ return read_pers_intervals_grouped_by_dimension(persistence_file.encode('utf-8'))
print("file " + persistence_file + " not set or not found.")
return []
@@ -79,9 +78,9 @@ def read_persistence_intervals_in_dimension(persistence_file='', only_this_dim=-
:returns: The persistence intervals.
:rtype: numpy array of dimension 2
"""
- if persistence_file is not '':
+ if persistence_file:
if path.isfile(persistence_file):
- return np_array(read_pers_intervals_in_dimension(str.encode(
- persistence_file), only_this_dim))
+ return np_array(read_pers_intervals_in_dimension(persistence_file.encode(
+ 'utf-8'), only_this_dim))
print("file " + persistence_file + " not set or not found.")
return []