Use binary mode when 'touch'-ing files in test_build_py and test_build_meta

Author: abravalheri

setuptools/tests/test_build_meta.py

@@ -306,7 +306,7 @@ def test_build_with_existing_file_present(self, build_type, tmpdir_cwd):
         assert first_result != second_result
 
         # And if rebuilding the exact same sdist/wheel?
-        open(os.path.join(dist_dir, second_result), 'w', encoding="utf-8").close()
+        open(os.path.join(dist_dir, second_result), 'wb').close()
         third_result = build_method(dist_dir)
         assert third_result == second_result
         assert os.path.getsize(os.path.join(dist_dir, third_result)) > 0

setuptools/tests/test_build_py.py

@@ -49,7 +49,7 @@ def test_recursive_in_package_data_glob(tmpdir_cwd):
         )
     )
     os.makedirs('path/subpath/subsubpath')
-    open('path/subpath/subsubpath/data', 'w', encoding="utf-8").close()
+    open('path/subpath/subsubpath/data', 'wb').close()
 
     dist.parse_command_line()
     dist.run_commands()
@@ -77,8 +77,8 @@ def test_read_only(tmpdir_cwd):
         )
     )
     os.makedirs('pkg')
-    open('pkg/__init__.py', 'w', encoding="utf-8").close()
-    open('pkg/data.dat', 'w', encoding="utf-8").close()
+    open('pkg/__init__.py', 'wb').close()
+    open('pkg/data.dat', 'wb').close()
     os.chmod('pkg/__init__.py', stat.S_IREAD)
     os.chmod('pkg/data.dat', stat.S_IREAD)
     dist.parse_command_line()
@@ -108,8 +108,8 @@ def test_executable_data(tmpdir_cwd):
         )
     )
     os.makedirs('pkg')
-    open('pkg/__init__.py', 'w', encoding="utf-8").close()
-    open('pkg/run-me', 'w', encoding="utf-8").close()
+    open('pkg/__init__.py', 'wb').close()
+    open('pkg/run-me', 'wb').close()
     os.chmod('pkg/run-me', 0o700)
 
     dist.parse_command_line()