Remove the use of deprecated distutils package (#808)

With the acceptance of PEP 632, this module was deprecated in Python 3.10
and it will be removed in Python 3.12. The `LooseVersion` and
`StrictVersion` classes are replaced by `packaging.version.Version` as
recommended by the PEP itself, see:

    https://peps.python.org/pep-0632/#migration-advice

aiida_quantumespresso/parsers/cp.py

@@ -1,8 +1,7 @@
 # -*- coding: utf-8 -*-
-from distutils.version import LooseVersion
-
 from aiida.orm import Dict, TrajectoryData
 import numpy
+from packaging.version import Version
 from qe_tools import CONSTANTS
 
 from .base import Parser
@@ -81,7 +80,7 @@ def parse(self, **kwargs):
  ]
 
  # order of atom in the output trajectory changed somewhere after 6.5
- if LooseVersion(out_dict['creator_version']) > LooseVersion('6.5'):
+ if Version(out_dict['creator_version']) > Version('6.5'):
  new_cp_ordering = True
  else:
  new_cp_ordering = False
@@ -145,7 +144,7 @@ def parse(self, **kwargs):
  except IndexError:
  matrix = numpy.array(numpy.matrix(matrix))
 
- if LooseVersion(out_dict['creator_version']) > LooseVersion('5.1'):
+ if Version(out_dict['creator_version']) > Version('5.1'):
  # Between version 5.1 and 5.1.1, someone decided to change
  # the .evp output format, without any way to know that this
  # happened... SVN commit 11158.

aiida_quantumespresso/parsers/parse_xml/parse.py

@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
-from distutils.version import StrictVersion
 from urllib.error import URLError
 
 import numpy as np
+from packaging.version import Version
 from qe_tools import CONSTANTS
 from xmlschema import XMLSchema
 
@@ -95,7 +95,7 @@ def parse_xml_post_6_2(xml):
  for err in errors:
  logs.error.append(str(err))
 
- xml_version = StrictVersion(xml_dictionary['general_info']['xml_format']['@VERSION'])
+ xml_version = Version(xml_dictionary['general_info']['xml_format']['@VERSION'])
  inputs = xml_dictionary.get('input', {})
  outputs = xml_dictionary['output']
 
@@ -285,7 +285,7 @@ def parse_xml_post_6_2(xml):
  degauss = smearing_xml['@degauss']
 
  # Versions below 19.03.04 (Quantum ESPRESSO<=6.4.1) incorrectly print degauss in Ry instead of Hartree
- if xml_version < StrictVersion('19.03.04'):
+ if xml_version < Version('19.03.04'):
  degauss *= CONSTANTS.ry_to_ev
  else:
  degauss *= CONSTANTS.hartree_to_ev