Use yapf for automatic formatting

.pre-commit-config.yaml

@@ -0,0 +1,5 @@
+repos:
+- repo: https://github.com/pre-commit/mirrors-yapf
+  rev: '5441be1'  # Use the sha / tag you want to point at
+  hooks:
+  - id: yapf

.style.yapf

@@ -0,0 +1,26 @@
+[style]
+based_on_style = pep8
+align_closing_bracket_with_visual_indent = true
+arithmetic_precedence_indication = true
+coalesce_brackets = true
+continuation_align_style = space
+continuation_indent_width = 8
+dedent_closing_brackets = false
+each_dict_entry_on_separate_line = false
+force_multiline_dict = false
+indent_closing_brackets = true
+indent_dictionary_value = true
+space_between_ending_comma_and_closing_bracket = false
+split_arguments_when_comma_terminated = true
+split_all_comma_separated_values = false
+split_before_bitwise_operator = true
+split_before_arithmetic_operator = true
+split_before_closing_bracket = true
+split_before_dot = true
+split_before_expression_after_opening_paren = true
+split_before_first_argument = true
+split_before_logical_operator = true
+split_complex_comprehension = true
+split_penalty_after_opening_bracket = 0
+split_penalty_for_added_line_split = 0
+use_tabs = false

.yapfignore

@@ -0,0 +1,2 @@
+doc/conf.py
+skan/_testdata.py

benchmarks/bench_skan.py

@@ -24,12 +24,10 @@ def bench_suite():
     times = OrderedDict()
     skeleton = np.load(os.path.join(rundir, 'infected3.npz'))['skeleton']
     with timer() as t_build_graph:
-        g, indices = csr.skeleton_to_csgraph(skeleton,
-                                                      spacing=2.24826)
+        g, indices = csr.skeleton_to_csgraph(skeleton, spacing=2.24826)
     times['build graph'] = t_build_graph[0]
     with timer() as t_build_graph2:
-        g, indices = csr.skeleton_to_csgraph(skeleton,
-                                                      spacing=2.24826)
+        g, indices = csr.skeleton_to_csgraph(skeleton, spacing=2.24826)
     times['build graph again'] = t_build_graph2[0]
     with timer() as t_stats:
         stats = csr.branch_statistics(g)

setup.py

@@ -2,4 +2,3 @@
 
 if __name__ == '__main__':
     setup()
-

skan/__init__.py

@@ -2,7 +2,4 @@
 
 __version__ = '0.10.0-dev'
 
-__all__ = ['skeleton_to_csgraph',
-           'branch_statistics',
-           'summarize',
-           'Skeleton']
+__all__ = ['skeleton_to_csgraph', 'branch_statistics', 'summarize', 'Skeleton']