Apply ruff/refurb rules (FURB)

distutils/dir_util.py

@@ -94,9 +94,7 @@ def create_tree(base_dir, files, mode=0o777, verbose=1, dry_run=0):
     'dry_run' flags are as for 'mkpath()'.
     """
     # First get the list of directories to create
-    need_dir = set()
-    for file in files:
-        need_dir.add(os.path.join(base_dir, os.path.dirname(file)))
+    need_dir = set(os.path.join(base_dir, os.path.dirname(file)) for file in files)
 
     # Now create them
     for dir in sorted(need_dir):

distutils/dist.py

@@ -647,15 +647,15 @@ def _show_help(
                 options = self.global_options
             parser.set_option_table(options)
             parser.print_help(self.common_usage + "\nGlobal options:")
-            print('')
+            print()
 
         if display_options:
             parser.set_option_table(self.display_options)
             parser.print_help(
                 "Information display options (just display "
                 + "information, ignore any commands)"
             )
-            print('')
+            print()
 
         for command in self.commands:
             if isinstance(command, type) and issubclass(command, Command):
@@ -669,7 +669,7 @@ def _show_help(
             else:
                 parser.set_option_table(klass.user_options)
             parser.print_help("Options for '%s' command:" % klass.__name__)
-            print('')
+            print()
 
         print(gen_usage(self.script_name))
 
@@ -686,7 +686,7 @@ def handle_display_options(self, option_order):
         # we ignore "foo bar").
         if self.help_commands:
             self.print_commands()
-            print('')
+            print()
             print(gen_usage(self.script_name))
             return 1
 

distutils/tests/test_msvc9compiler.py

@@ -161,7 +161,7 @@ def test_remove_visual_c_ref(self):
         f = open(manifest)
         try:
             # removing trailing spaces
-            content = '\n'.join([line.rstrip() for line in f.readlines()])
+            content = '\n'.join([line.rstrip() for line in f])
         finally:
             f.close()
 

distutils/unixccompiler.py

@@ -389,10 +389,7 @@ def find_library_file(self, dirs, lib, debug=0):
 
         roots = map(self._library_root, dirs)
 
-        searched = (
-            os.path.join(root, lib_name)
-            for root, lib_name in itertools.product(roots, lib_names)
-        )
+        searched = itertools.starmap(os.path.join, itertools.product(roots, lib_names))
 
         found = filter(os.path.exists, searched)