Merge branch 'master' into info

Author: choldgraf

setup.py

@@ -1,7 +1,14 @@
 import os
 from pathlib import Path
+
 from setuptools import setup, find_packages
 
+lines = Path(__file__).parent.joinpath("sphinx_copybutton", "__init__.py").read_text()
+for line in lines.split('\n'):
+    if line.startswith("__version__"):
+        break
+version = line.split(" = ")[-1].strip('"')
+
 if (os.path.isdir('clipboard.js') and
         not os.path.islink('sphinx_copybutton/_static/clipboard.min.js')):
     raise SystemExit("Error: Support for symbolic links is required")