Use UTF-8 to write metadata files

Author: abravalheri

setuptools/command/bdist_egg.py

@@ -200,10 +200,9 @@ def run(self):  # noqa: C901  # is too complex (14)  # FIXME
             log.info("writing %s", native_libs)
             if not self.dry_run:
                 ensure_directory(native_libs)
-                libs_file = open(native_libs, 'wt')
-                libs_file.write('\n'.join(all_outputs))
-                libs_file.write('\n')
-                libs_file.close()
+                with open(native_libs, 'wt', encoding="utf-8") as libs_file:
+                    libs_file.write('\n'.join(all_outputs))
+                    libs_file.write('\n')
         elif os.path.isfile(native_libs):
             log.info("removing %s", native_libs)
             if not self.dry_run:

setuptools/command/easy_install.py

@@ -1023,12 +1023,11 @@ def install_exe(self, dist_filename, tmpdir):
 
         # Write EGG-INFO/PKG-INFO
         if not os.path.exists(pkg_inf):
-            f = open(pkg_inf, 'w')  # TODO: probably it is safe to use utf-8
-            f.write('Metadata-Version: 1.0\n')
-            for k, v in cfg.items('metadata'):
-                if k != 'target_version':
-                    f.write('%s: %s\n' % (k.replace('_', '-').title(), v))
-            f.close()
+            with open(pkg_inf, 'w', encoding="utf-8") as f:
+                f.write('Metadata-Version: 1.0\n')
+                for k, v in cfg.items('metadata'):
+                    if k != 'target_version':
+                        f.write('%s: %s\n' % (k.replace('_', '-').title(), v))
         script_dir = os.path.join(_egg_info, 'scripts')
         # delete entry-point scripts to avoid duping
         self.delete_blockers([
@@ -1094,9 +1093,8 @@ def process(src, dst):
             if locals()[name]:
                 txt = os.path.join(egg_tmp, 'EGG-INFO', name + '.txt')
                 if not os.path.exists(txt):
-                    f = open(txt, 'w')  # TODO: probably it is safe to use utf-8
-                    f.write('\n'.join(locals()[name]) + '\n')
-                    f.close()
+                    with open(txt, 'w', encoding="utf-8") as f:
+                        f.write('\n'.join(locals()[name]) + '\n')
 
     def install_wheel(self, wheel_path, tmpdir):
         wheel = Wheel(wheel_path)