Remove use of pkg_resources

This allows us to remove setuptools as a dependency.

Signed-off-by: Stephen Finucane <[email protected]>

click_man/__main__.py

@@ -9,9 +9,10 @@
 :license: MIT, see LICENSE for more details.
 """
 
+import importlib.metadata
 import os
+
 import click
-from pkg_resources import iter_entry_points, get_distribution
 
 from click_man.core import write_man_pages
 
@@ -20,7 +21,7 @@
 @click.option('--target', '-t', default=os.path.join(os.getcwd(), 'man'),
               type=click.Path(file_okay=False, dir_okay=True, resolve_path=True),
               help='Target location for the man pages')
-@click.version_option(get_distribution('click-man').version, '-V', '--version')
+@click.version_option(importlib.metadata.version('click-man'), '-V', '--version')
 @click.argument('name')
 def cli(target, name):
     """
@@ -31,29 +32,30 @@ def cli(target, name):
     The generated man pages are written to files in the directory given
     by ``--target``.
     """
-    console_scripts = [ep for ep in iter_entry_points('console_scripts', name=name)]
+    entry_points = importlib.metadata.entry_points()
+    console_scripts = entry_points.select(group='console_scripts', name=name)
     if len(console_scripts) < 1:
         raise click.ClickException('"{0}" is not an installed console script.'.format(name))
     # Only generate man pages for first console script
-    entry_point = console_scripts[0]
-    
+    (entry_point,) = console_scripts
+
     # create target directory if it does not exist yet
     try:
         os.makedirs(target)
     except OSError:
         pass
 
     click.echo('Load entry point {0}'.format(name))
-    cli = entry_point.resolve()
+    cli = entry_point.load()
 
     # If the entry point isn't a click.Command object, try to find it in the module
     if not isinstance(cli, click.Command):
         from importlib import import_module
         from inspect import getmembers
 
-        if not entry_point.module_name:
+        if not entry_point.module:
             raise click.ClickException('Could not find module name for "{0}".'.format(name))
-        ep_module = import_module(entry_point.module_name)
+        ep_module = import_module(entry_point.module)
         ep_members = getmembers(ep_module, lambda x: isinstance(x, click.Command))
 
         if len(ep_members) < 1:
@@ -62,7 +64,7 @@ def cli(target, name):
         click.echo('Found alternate entry point {0} in {1}'.format(ep_name, name))
 
     click.echo('Generate man pages for {0} in {1}'.format(name, target))
-    write_man_pages(name, cli, version=entry_point.dist.version, target_dir=target)
+    write_man_pages(name, cli, version=entry_point.version, target_dir=target)
 
 
 if __name__ == '__main__':

setup.py

@@ -18,7 +18,6 @@ def read(fname):
     author_email='[email protected]',
     install_requires=[
         'click',
-        'setuptools',
     ],
     packages=find_packages(exclude=('tests', )),
     entry_points={