building: Refactor the SmartFormatter used for argparse.

pyinstaller · Jun 22, 2018 · 9dd8300 · 9dd8300
1 parent 3aaae15
commit 9dd8300
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/PyInstaller/__main__.py b/PyInstaller/__main__.py
@@ -36,10 +36,12 @@ class _SmartFormatter(argparse.HelpFormatter):
 
     def _split_lines(self, text, width):
         if text.startswith('R|'):
-            return argparse.RawTextHelpFormatter._split_lines(self, text[2:],
-                                                              width)
+            # The underlying implementation of ``RawTextHelpFormatter._split_lines``
+            # invokes this; mimic it.
+            return text[2:].splitlines()
         else:
-            return argparse.HelpFormatter._split_lines(self, text, width)
+            # Invoke the usual formatter.
+            return super(_SmartFormatter, self)._split_lines(text, width)
 
 
 def run_makespec(filenames, **opts):