checks.py

import os

from django.conf import settings
from django.core import checks

@checks.register('directories')
def check_cdn_directory_exists(app_configs, **kwargs):
    """This checks that the path from which the CDN will serve static files for
       this version of the datatracker actually exists.  In development and test
       mode STATIC_ROOT will normally be just static/, but in production it will be
       set to a different part of the file system which is served via CDN, and the
       path will contain the datatracker release version.
    """
    errors = []
    if settings.SERVER_MODE == 'production' and not os.path.exists(settings.STATIC_ROOT):
        errors.append(checks.Error(
            "The static files directory has not been set up.",
            hint="Please run 'ietf/manage.py collectstatic'.",
            obj=None,
            id='datatracker.E001',
        ))
    return errors

@checks.register('files')
def check_group_email_aliases_exists(app_configs, **kwargs):
    from ietf.group.info import get_group_email_aliases
    errors = []
    try:
        aliases = get_group_email_aliases(None, None)
        if not aliases:
            errors.append(checks.Error(
                "Found no aliases in the group email aliases file",
                hint="Please run ietf/bin/generate-wg-aliases to generate them.",
                obj=None,
                id="datatracker.E0002",
            ))
    except IOError as e:
        errors.append(checks.Error(
            "Could not read group email aliases:\n   %s" % e,
            hint="Please run ietf/bin/generate-wg-aliases to generate them.",
            obj=None,
            id="datatracker.E0003",
        ))
        
    return errors

@checks.register('files')
def check_doc_email_aliases_exists(app_configs, **kwargs):
    from ietf.doc.views_doc import get_doc_email_aliases
    errors = []
    try:
        aliases = get_doc_email_aliases(None)
        if not aliases:
            errors.append(checks.Critical(
                "Found no aliases in the document email aliases file.",
                hint="Please run ietf/bin/generate-draft-aliases to generate them.",
                obj=None,
                id="datatracker.E0004",
            ))
    except IOError as e:
        errors.append(checks.Critical(
            "Could not read document email aliases:\n   %s" % e,
            hint="Please run ietf/bin/generate-draft-aliases to generate them.",
            obj=None,
            id="datatracker.E0005",
        ))

    return errors