Use verlib2.Version instead of crate.client._pep440.Version

Instead of vendoring `Version` from `packaging`, pull it in via shared
library.

crate/crash/command.py

@@ -39,9 +39,10 @@
 from urllib3.exceptions import LocationParseError
 
 from crate.client import connect
-from crate.client._pep440 import Version
 from crate.client.exceptions import ConnectionError, ProgrammingError
 
+from verlib2 import Version
+
 from ..crash import __version__ as crash_version
 from .commands import Command, built_in_commands
 from .config import Configuration, ConfigurationError

crate/crash/commands.py

@@ -21,7 +21,7 @@
 import os
 from collections import OrderedDict
 
-from crate.client._pep440 import Version
+from verlib2 import Version
 
 
 class Command(object):

crate/crash/sysinfo.py

@@ -23,7 +23,7 @@
 
 from collections import namedtuple
 
-from crate.client._pep440 import Version
+from verlib2 import Version
 
 Result = namedtuple('Result', ['rows', 'cols'])
 SYSINFO_MIN_VERSION = Version("0.54.0")

setup.py

@@ -32,7 +32,8 @@
     'platformdirs<5',
     'prompt-toolkit>=3.0,<4',
     'tabulate>=0.9,<0.10',
-    'sqlparse>=0.4.4,<0.5.0'
+    'sqlparse>=0.4.4,<0.5.0',
+    'verlib2<0.3',
 ]
 
 

tests/test_command.py

@@ -3,7 +3,8 @@
 
 from unittest import TestCase
 
-from crate.client._pep440 import Version
+from verlib2 import Version
+
 from crate.crash.command import (
     Result,
     get_information_schema_query,

tests/test_commands.py

@@ -26,7 +26,8 @@
 from unittest import SkipTest, TestCase
 from unittest.mock import MagicMock, call, patch
 
-from crate.client._pep440 import Version
+from verlib2 import Version
+
 from crate.crash.command import CrateShell
 from crate.crash.commands import (
     CheckCommand,

tests/test_sysinfo.py

@@ -24,7 +24,8 @@
 from unittest import TestCase
 from unittest.mock import PropertyMock, patch
 
-from crate.client._pep440 import Version
+from verlib2 import Version
+
 from crate.crash.command import CrateShell
 from crate.crash.sysinfo import Result as Res, SysInfoCommand