[NFC][clang-tidy] Port rename_check.py to Python3

1 files changed, 15 insertions, 16 deletions

diff --git a/clang-tools-extra/clang-tidy/rename_check.py b/clang-tools-extra/clang-tidy/rename_check.py
index 4d5311c9a293..2410041fd5d2 100755
--- a/clang-tools-extra/clang-tidy/rename_check.py
+++ b/clang-tools-extra/clang-tidy/rename_check.py
@@ -120,16 +120,15 @@ def adapt_cmake(module_path, check_name_camel):
       if (not file_added) and (cpp_line or cpp_found):
         cpp_found = True
         if (line.strip() > cpp_file) or (not cpp_line):
-          f.write('  ' + cpp_file + '\n')
+          f.write(('  ' + cpp_file + '\n').encode())
           file_added = True
-      f.write(line)
+      f.write(line.encode())
 
   return True
 
 # Modifies the module to include the new check.
 def adapt_module(module_path, module, check_name, check_name_camel):
-  modulecpp = filter(lambda p: p.lower() == module.lower() + 'tidymodule.cpp',
-                     os.listdir(module_path))[0]
+  modulecpp = next(filter(lambda p: p.lower() == module.lower() + 'tidymodule.cpp', os.listdir(module_path)))
   filename = os.path.join(module_path, modulecpp)
   with open(filename, 'r') as f:
     lines = f.readlines()
@@ -149,21 +148,21 @@ def adapt_module(module_path, module, check_name, check_name_camel):
           header_found = True
           if match.group(1) > check_name_camel:
             header_added = True
-            f.write('#include "' + check_name_camel + '.h"\n')
+            f.write(('#include "' + check_name_camel + '.h"\n').encode())
         elif header_found:
           header_added = True
-          f.write('#include "' + check_name_camel + '.h"\n')
+          f.write(('#include "' + check_name_camel + '.h"\n').encode())
 
       if not check_added:
         if line.strip() == '}':
           check_added = True
-          f.write(check_decl)
+          f.write(check_decl.encode())
         else:
           match = re.search('registerCheck<(.*)>', line)
           if match and match.group(1) > check_name_camel:
             check_added = True
-            f.write(check_decl)
-      f.write(line)
+            f.write(check_decl.encode())
+      f.write(line.encode())
 
 
 # Adds a release notes entry.
@@ -198,22 +197,22 @@ def add_release_notes(clang_tidy_path, old_check_name, new_check_name):
 
         if match:
           header_found = True
-          f.write(line)
+          f.write(line.encode())
           continue
 
         if line.startswith('^^^^'):
-          f.write(line)
+          f.write(line.encode())
           continue
 
         if header_found and add_note_here:
           if not line.startswith('^^^^'):
-            f.write("""- The '%s' check was renamed to :doc:`%s
+            f.write(("""- The '%s' check was renamed to :doc:`%s
   <clang-tidy/checks/%s>`
 
-""" % (old_check_name, new_check_name, new_check_name))
+""" % (old_check_name, new_check_name, new_check_name)).encode())
             note_added = True
 
-      f.write(line)
+      f.write(line.encode())
 
 def main():
   parser = argparse.ArgumentParser(description='Rename clang-tidy check.')
@@ -259,9 +258,9 @@ def main():
             (check_name_camel, cmake_lists))
       return 1
 
-    modulecpp = filter(
+    modulecpp = next(filter(
         lambda p: p.lower() == old_module.lower() + 'tidymodule.cpp',
-        os.listdir(old_module_path))[0]
+        os.listdir(old_module_path)))
     deleteMatchingLines(os.path.join(old_module_path, modulecpp),
                       '\\b' + check_name_camel + '|\\b' + args.old_check_name)