Merge pull request #41 from ceph/wip-drop-pkg-resources

cli: drop pkg_resources import

Author: kshtsk

bootstrap

@@ -4,7 +4,7 @@ set -e
 if command -v lsb_release >/dev/null 2>&1; then
     case "$(lsb_release --id --short)" in
 	Ubuntu|Debian)
-	    for package in python-virtualenv python-dev libxml2-dev libxslt1-dev python-libvirt genisoimage; do
+	    for package in python3-venv python3-dev libxml2-dev libxslt1-dev python3-libvirt genisoimage pkg-config libvirt-dev gcc; do
 		if [ "$(dpkg --status -- $package 2>/dev/null|sed -n 's/^Status: //p')" != "install ok installed" ]; then
                     # add a space after old values
 		    missing="${missing:+$missing }$package"

downburst/cli.py

@@ -1,8 +1,9 @@
 import argparse
 import logging
-import pkg_resources
 import sys
 
+from importlib import metadata as meta
+
 from . import exc
 
 
@@ -32,7 +33,15 @@ def parse_args():
         metavar='COMMAND',
         help='description',
         )
-    for ep in pkg_resources.iter_entry_points('downburst.cli'):
+    m = meta.entry_points()
+    if type(m) is meta.EntryPoints:
+        # python >=3.12 entry_points() returns metadata.EntryPoints
+        eps = (ep for ep in m if ep.group == 'downburst.cli')
+    else:
+        # python <=3.11 entry_points() returns metadata.SelectableGroups
+
+        eps = (ep for ep in m.get('downburst.cli',[]))
+    for ep in eps:
         fn = ep.load()
         p = sub.add_parser(ep.name, help=fn.__doc__)
         # ugly kludge but i really want to have a nice way to access