adagios/urls.py: ImportError: cannot import name 'patterns'

[tjyang]

adagios/urls.py need to be refactored to work with python3-django.

• centos 7 with python2

[me@nagios01 tmp]$ sudo python -m pdb /usr/lib/python2.7/site-packages/adagios/manage.py test
> /usr/lib/python2.7/site-packages/adagios/manage.py(20)<module>()
-> import os
(Pdb) from django.conf.urls import url, patterns, include
(Pdb) c
Creating test database for alias 'default'...

----------------------------------------------------------------------
Ran 0 tests in 0.000s

OK
Destroying test database for alias 'default'...
The program finished and will be restarted
> /usr/lib/python2.7/site-packages/adagios/manage.py(20)<module>()
-> import os
(Pdb)

• rockylinux 8 with python3

[me@nagios03 pnp4nagios]$ sudo python3 -m pdb /usr/lib/python3.6/site-packages/adagios/manage.py test
> /usr/lib/python3.6/site-packages/adagios/manage.py(20)<module>()
-> import os
(Pdb) from django.conf.urls import url, patterns, include
*** ImportError: cannot import name 'patterns'
(Pdb) c
Traceback (most recent call last):
  File "/usr/lib64/python3.6/pdb.py", line 1667, in main
    pdb._runscript(mainpyfile)
  File "/usr/lib64/python3.6/pdb.py", line 1548, in _runscript
    self.run(statement)
  File "/usr/lib64/python3.6/bdb.py", line 434, in run
    exec(cmd, globals, locals)
  File "<string>", line 1, in <module>
  File "/usr/lib/python3.6/site-packages/adagios/manage.py", line 20, in <module>
    import os
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/commands/test.py", line 23, in run_from_argv
    super().run_from_argv(argv)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/base.py", line 323, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/base.py", line 364, in execute
    output = self.handle(*args, **options)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/commands/test.py", line 53, in handle
    failures = test_runner.run_tests(test_labels)
  File "/usr/lib/python3.6/site-packages/adagios/../django/test/runner.py", line 632, in run_tests
    self.run_checks()
  File "/usr/lib/python3.6/site-packages/adagios/../django/test/runner.py", line 570, in run_checks
    call_command('check', verbosity=self.verbosity)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/__init__.py", line 148, in call_command
    return command.execute(*args, **defaults)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/base.py", line 364, in execute
    output = self.handle(*args, **options)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/commands/check.py", line 64, in handle
    fail_level=getattr(checks, options['fail_level']),
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/base.py", line 390, in check
    include_deployment_checks=include_deployment_checks,
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/management/base.py", line 377, in _run_checks
    return checks.run_checks(**kwargs)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/checks/registry.py", line 72, in run_checks
    new_errors = check(app_configs=app_configs)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/checks/urls.py", line 13, in check_url_config
    return check_resolver(resolver)
  File "/usr/lib/python3.6/site-packages/adagios/../django/core/checks/urls.py", line 23, in check_resolver
    return check_method()
  File "/usr/lib/python3.6/site-packages/adagios/../django/urls/resolvers.py", line 399, in check
    for pattern in self.url_patterns:
  File "/usr/lib/python3.6/site-packages/adagios/../django/utils/functional.py", line 80, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/usr/lib/python3.6/site-packages/adagios/../django/urls/resolvers.py", line 584, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
  File "/usr/lib/python3.6/site-packages/adagios/../django/utils/functional.py", line 80, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/usr/lib/python3.6/site-packages/adagios/../django/urls/resolvers.py", line 577, in urlconf_module
    return import_module(self.urlconf_name)
  File "/usr/lib64/python3.6/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/usr/lib/python3.6/site-packages/adagios/../adagios/urls.py", line 18, in <module>
    from django.conf.urls import url, patterns, include
ImportError: cannot import name 'patterns'
Uncaught exception. Entering post mortem debugging
Running 'cont' or 'step' will restart the program
> /usr/lib/python3.6/site-packages/adagios/urls.py(18)<module>()
-> from django.conf.urls import url, patterns, include
(Pdb)

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