Stop using parse_version directly

since in newer setuptools it doesn't support version
string with `~` anymore

(cherry picked from commit e64c2cb)

ccmlib/cluster.py

@@ -5,7 +5,6 @@
 import shutil
 import threading
 import time
-from pkg_resources import parse_version
 from collections import OrderedDict, defaultdict
 from concurrent.futures import ThreadPoolExecutor
 
@@ -16,6 +15,7 @@
 from ccmlib import common, repository
 from ccmlib.node import Node, NodeError
 from ccmlib.common import logger
+from ccmlib.utils.version import parse_version
 
 
 class Cluster(object):

ccmlib/node.py

@@ -15,7 +15,6 @@
 import warnings
 from datetime import datetime
 import locale
-from pkg_resources import parse_version
 
 import yaml
 from six import iteritems, print_, string_types
@@ -24,7 +23,7 @@
 from ccmlib import common
 from ccmlib.cli_session import CliSession
 from ccmlib.repository import setup
-
+from ccmlib.utils.version import parse_version
 
 class Status():
     UNINITIALIZED = "UNINITIALIZED"

ccmlib/scylla_node.py

@@ -13,8 +13,6 @@
 import threading
 from pathlib import Path
 
-from pkg_resources import parse_version
-
 import psutil
 import yaml
 import glob
@@ -30,6 +28,7 @@
 from ccmlib.node import NodeError
 from ccmlib.node import TimeoutError
 from ccmlib.scylla_repository import setup, CORE_PACKAGE_DIR_NAME, SCYLLA_VERSION_FILE
+from ccmlib.utils.version import parse_version
 
 
 class ScyllaNode(Node):

ccmlib/scylla_repository.py

@@ -26,6 +26,7 @@
     ArgumentError, CCMError, get_default_path, rmdirs, validate_install_dir, get_scylla_version, aws_bucket_ls,
     DOWNLOAD_IN_PROGRESS_FILE, wait_for_parallel_download_finish)
 from ccmlib.utils.download import download_file, download_version_from_s3
+from ccmlib.utils.version import parse_version
 
 GIT_REPO = "http://github.com/scylladb/scylla.git"
 

ccmlib/utils/version.py

@@ -0,0 +1,6 @@
+from packaging.version import parse, Version
+
+
+def parse_version(v: str) -> Version:
+    v = v.replace('~', '-')
+    return parse(v)