Replace pkg_resources with importlib.resources. (#58)

Author: icemac

docs/conf.py

@@ -12,14 +12,13 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
+import importlib.metadata
 import os
 import sys
 
-import pkg_resources
-
 
 sys.path.append(os.path.abspath('../src'))
-rqmt = pkg_resources.require('zope.testing')[0]
+rqmt_version = importlib.metadata.version('zope.testing')
 # Import and document the pure-python versions of things; they tend to have
 # better docstrings and signatures.
 os.environ['PURE_PYTHON'] = '1'
@@ -67,9 +66,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '%s.%s' % tuple(map(int, rqmt.version.split('.')[:2]))
+version = '%s.%s' % tuple(map(int, rqmt_version.split('.')[:2]))
 # The full version, including alpha/beta/rc tags.
-release = rqmt.version
+release = rqmt_version
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.