django1/django/core/compat_checks/base.py

40 lines
1.1 KiB
Python

from __future__ import unicode_literals
import warnings
from django.core.compat_checks import django_1_6_0
COMPAT_CHECKS = [
# Add new modules at the top, so we keep things in descending order.
# After two-three minor releases, old versions should get dropped.
django_1_6_0,
]
def check_compatibility():
"""
Runs through compatibility checks to warn the user with an existing install
about changes in an up-to-date Django.
Modules should be located in ``django.core.compat_checks`` (typically one
per release of Django) & must have a ``run_checks`` function that runs
all the checks.
Returns a list of informational messages about incompatibilities.
"""
messages = []
for check_module in COMPAT_CHECKS:
check = getattr(check_module, 'run_checks', None)
if check is None:
warnings.warn(
"The '%s' module lacks a " % check_module.__name__ +
"'run_checks' method, which is needed to verify compatibility."
)
continue
messages.extend(check())
return messages