Focal has upgraded Django to 2.2. Piston requires changes to work with the newer version of Django. This breaks MAAS on Focal/base 20.04.
Traceback (most recent call last):
File "/usr/bin/maas", line 11, in <module>
load_entry_point('maas==2.7.0rc1', 'console_scripts', 'maas')()
File "/usr/lib/python3/dist-packages/maascli/__init__.py", line 39, in main
parser = prepare_parser(argv)
File "/usr/lib/python3/dist-packages/maascli/parser.py", line 71, in prepare_parser
register_cli_commands(parser)
File "/usr/lib/python3/dist-packages/maascli/cli.py", line 283, in register_cli_commands
django_setup()
File "/usr/lib/python3/dist-packages/django/__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/lib/python3/dist-packages/django/apps/registry.py", line 114, in populate
app_config.import_models()
File "/usr/lib/python3/dist-packages/django/apps/config.py", line 211, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/maasserver/models/__init__.py", line 99, in <module>
from piston3.doc import HandlerDocumentation
File "/usr/lib/python3/dist-packages/piston3/doc.py", line 3, in <module>
from . import handler
File "/usr/lib/python3/dist-packages/piston3/handler.py", line 5, in <module>
from .utils import rc
File "/usr/lib/python3/dist-packages/piston3/utils.py", line 8, in <module>
from django.core.urlresolvers import reverse
ModuleNotFoundError: No module named 'django.core.urlresolvers'
Traceback (most recent call last):
File "/usr/bin/maas", line 11, in <module>
load_entry_point('maas==2.7.0rc1', 'console_scripts', 'maas')()
File "/usr/lib/python3/dist-packages/maascli/__init__.py", line 39, in main
parser = prepare_parser(argv)
File "/usr/lib/python3/dist-packages/maascli/parser.py", line 71, in prepare_parser
register_cli_commands(parser)
File "/usr/lib/python3/dist-packages/maascli/cli.py", line 283, in register_cli_commands
django_setup()
File "/usr/lib/python3/dist-packages/django/__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/lib/python3/dist-packages/django/apps/registry.py", line 114, in populate
app_config.import_models()
File "/usr/lib/python3/dist-packages/django/apps/config.py", line 211, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/maasserver/models/__init__.py", line 99, in <module>
from piston3.doc import HandlerDocumentation
File "/usr/lib/python3/dist-packages/piston3/doc.py", line 3, in <module>
from . import handler
File "/usr/lib/python3/dist-packages/piston3/handler.py", line 5, in <module>
from .utils import rc
File "/usr/lib/python3/dist-packages/piston3/utils.py", line 8, in <module>
from django.core.urlresolvers import reverse
ModuleNotFoundError: No module named 'django.core.urlresolvers'
Traceback (most recent call last):
File "/usr/bin/maas", line 11, in <module>
load_entry_point('maas==2.7.0rc1', 'console_scripts', 'maas')()
File "/usr/lib/python3/dist-packages/maascli/__init__.py", line 39, in main
parser = prepare_parser(argv)
File "/usr/lib/python3/dist-packages/maascli/parser.py", line 71, in prepare_parser
register_cli_commands(parser)
File "/usr/lib/python3/dist-packages/maascli/cli.py", line 283, in register_cli_commands
django_setup()
File "/usr/lib/python3/dist-packages/django/__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/lib/python3/dist-packages/django/apps/registry.py", line 114, in populate
app_config.import_models()
File "/usr/lib/python3/dist-packages/django/apps/config.py", line 211, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/maasserver/models/__init__.py", line 99, in <module>
from piston3.doc import HandlerDocumentation
File "/usr/lib/python3/dist-packages/piston3/doc.py", line 3, in <module>
from . import handler
File "/usr/lib/python3/dist-packages/piston3/handler.py", line 5, in <module>
from .utils import rc
File "/usr/lib/python3/dist-packages/piston3/utils.py", line 8, in <module>
from django.core.urlresolvers import reverse
ModuleNotFoundError: No module named 'django.core.urlresolvers'
Traceback (most recent call last):
File "/usr/bin/maas", line 11, in <module>
load_entry_point('maas==2.7.0rc1', 'console_scripts', 'maas')()
File "/usr/lib/python3/dist-packages/maascli/__init__.py", line 39, in main
parser = prepare_parser(argv)
File "/usr/lib/python3/dist-packages/maascli/parser.py", line 71, in prepare_parser
register_cli_commands(parser)
File "/usr/lib/python3/dist-packages/maascli/cli.py", line 283, in register_cli_commands
django_setup()
File "/usr/lib/python3/dist-packages/django/__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/lib/python3/dist-packages/django/apps/registry.py", line 114, in populate
app_config.import_models()
File "/usr/lib/python3/dist-packages/django/apps/config.py", line 211, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/maasserver/models/__init__.py", line 99, in <module>
from piston3.doc import HandlerDocumentation
File "/usr/lib/python3/dist-packages/piston3/doc.py", line 3, in <module>
from . import handler
File "/usr/lib/python3/dist-packages/piston3/handler.py", line 5, in <module>
from .utils import rc
File "/usr/lib/python3/dist-packages/piston3/utils.py", line 8, in <module>
from django.core.urlresolvers import reverse
ModuleNotFoundError: No module named 'django.core.urlresolvers'
Traceback (most recent call last):
File "/usr/bin/maas", line 11, in <module>
load_entry_point('maas==2.7.0rc1', 'console_scripts', 'maas')()
File "/usr/lib/python3/dist-packages/maascli/__init__.py", line 39, in main
parser = prepare_parser(argv)
File "/usr/lib/python3/dist-packages/maascli/parser.py", line 71, in prepare_parser
register_cli_commands(parser)
File "/usr/lib/python3/dist-packages/maascli/cli.py", line 283, in register_cli_commands
django_setup()
File "/usr/lib/python3/dist-packages/django/__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/lib/python3/dist-packages/django/apps/registry.py", line 114, in populate
app_config.import_models()
File "/usr/lib/python3/dist-packages/django/apps/config.py", line 211, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/maasserver/models/__init__.py", line 99, in <module>
from piston3.doc import HandlerDocumentation
File "/usr/lib/python3/dist-packages/piston3/doc.py", line 3, in <module>
from . import handler
File "/usr/lib/python3/dist-packages/piston3/handler.py", line 5, in <module>
from .utils import rc
File "/usr/lib/python3/dist-packages/piston3/utils.py", line 8, in <module>
from django.core.urlresolvers import reverse
ModuleNotFoundError: No module named 'django.core.urlresolvers'
Traceback (most recent call last):
File "/usr/bin/maas", line 11, in <module>
load_entry_point('maas==2.7.0rc1', 'console_scripts', 'maas')()
File "/usr/lib/python3/dist-packages/maascli/__init__.py", line 39, in main
parser = prepare_parser(argv)
File "/usr/lib/python3/dist-packages/maascli/parser.py", line 71, in prepare_parser
register_cli_commands(parser)
File "/usr/lib/python3/dist-packages/maascli/cli.py", line 283, in register_cli_commands
django_setup()
File "/usr/lib/python3/dist-packages/django/__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/lib/python3/dist-packages/django/apps/registry.py", line 114, in populate
app_config.import_models()
File "/usr/lib/python3/dist-packages/django/apps/config.py", line 211, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/usr/lib/python3/dist-packages/maasserver/models/__init__.py", line 99, in <module>
from piston3.doc import HandlerDocumentation
File "/usr/lib/python3/dist-packages/piston3/doc.py", line 3, in <module>
from . import handler
File "/usr/lib/python3/dist-packages/piston3/handler.py", line 5, in <module>
from .utils import rc
File "/usr/lib/python3/dist-packages/piston3/utils.py", line 8, in <module>
from django.core.urlresolvers import reverse
ModuleNotFoundError: No module named 'django.core.urlresolvers'
This is not a critical bug. We don't support running 2.7 on Focal.