always read PKG-INFO and README as UTF-8 (#120)

Co-authored-by: Charly C <changaco@changaco.oy.lc>

Author: bollwyvl

setup.py

@@ -7,6 +7,9 @@
 
 os.umask(0o022)
 
+with open(join(dirname(__file__), 'README.rst'), encoding="utf-8") as f:
+    README = f.read()
+
 setup(
     name='libarchive-c',
     version=get_version(),
@@ -16,7 +19,7 @@
     url='https://github.com/Changaco/python-libarchive-c',
     license='CC0',
     packages=find_packages(exclude=['tests']),
-    long_description=open(join(dirname(__file__), 'README.rst')).read(),
+    long_description=README,
     long_description_content_type='text/x-rst',
     keywords='archive libarchive 7z tar bz2 zip gz',
 )

version.py

@@ -35,7 +35,7 @@ def get_version():
 
     else:
         # Extract the version from the PKG-INFO file.
-        with open(join(d, 'PKG-INFO')) as f:
+        with open(join(d, 'PKG-INFO'), encoding='utf-8', errors='replace') as f:
             version = version_re.search(f.read()).group(1)
 
     return version