Merge pull request #24 from nschloe/si-percentage

siunitx percentage

Author: nschloe

blacktex/main.py

@@ -308,6 +308,12 @@ def _add_spaces_around_equality_sign(string):
     return string
 
 
+def _si_percentage(string):
+    # match float like https://stackoverflow.com/a/12643073/353337
+    string = re.sub(r"([+-]?([0-9]*[.])?[0-9]+)[ \t]*\\%", r"\\SI{\1}{\%}", string)
+    return string
+
+
 def clean(string, keep_comments=False):
     out = string
     out = _remove_trailing_whitespace(out)
@@ -324,6 +330,7 @@ def clean(string, keep_comments=False):
     out = _replace_double_nbsp(out)
     out = _replace_nbsp_space(out)
     out = _replace_over(out)
+    out = _si_percentage(out)
     out = _add_linebreak_after_double_backslash(out)
     out = _add_backslash_for_keywords(out)
     out = _add_curly_brackets_around_round_brackets_with_exponent(out)

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = blacktex
-version = 0.3.4
+version = 0.3.5
 author = Nico Schlömer
 author_email = [email protected]
 description = Cleans up your LaTeX files

test/test_blacktex.py

@@ -58,12 +58,6 @@ def test_comment_last():
     assert out == ref, f"{repr(out)} != {repr(ref)}"
 
 
-def test_escapted_percentage_sign():
-    input_string = "25\\% gain"
-    out = blacktex.clean(input_string)
-    assert out == "25\\% gain"
-
-
 def test_trailing_whitespace():
     input_string = "lorem    \n sit amet"
     out = blacktex.clean(input_string)
@@ -334,5 +328,17 @@ def test_space_around_operators():
     assert out == "a+b &=& c"
 
 
+def test_si_percentage():
+    input_string = "20\\% \\SI{30}{\\%}"
+    out = blacktex.clean(input_string)
+    assert out == "\\SI{20}{\\%} \\SI{30}{\\%}"
+
+
+def test_escaped_percentage_sign():
+    input_string = "25\\% gain"
+    out = blacktex.clean(input_string)
+    assert out == "\\SI{25}{\\%} gain"
+
+
 if __name__ == "__main__":
-    test_comment_last()
+    test_si_percentage()