def put(self, obj, attribute, value):
assert IMailingList.providedBy(obj), obj
template_name = TEMPLATE_ATTRIBUTES[attribute]
getUtility(ITemplateManager).set(template_name, obj.list_id, value)
def get(self, name, context=None, **kws):
"""See `ITemplateLoader`."""
# Gather some additional information based on the context.
substitutions = {}
if IMailingList.providedBy(context):
mlist = context
domain = context.domain
lookup_contexts = [
mlist.list_id,
mlist.mail_host,
None,
]
substitutions.update(
dict(
list_id=mlist.list_id,
# For backward compatibility, we call this $listname.
listname=mlist.fqdn_listname,
domain_name=domain.mail_host,
language=mlist.preferred_language.code,
))
elif IDomain.providedBy(context):
mlist = None
domain = context
lookup_contexts = [
domain.mail_host,
None,
]
substitutions['domain_name'] = domain.mail_host
elif context is None:
mlist = domain = None
lookup_contexts = [None]
else:
raise ValueError('Bad context type: {!r}'.format(context))
# The passed in keyword arguments take precedence.
substitutions.update(kws)
# See if there's a cached template registered for this name and
# context, passing in the url substitutions. This handles http:,
# https:, and file: urls.
for lookup_context in lookup_contexts:
try:
contents = getUtility(ITemplateManager).get(
name, lookup_context, **substitutions)
except (HTTPError, URLError):
pass
else:
if contents is not None:
return contents
# Fallback to searching within the source code.
code = substitutions.get('language', config.mailman.default_language)
# Find the template, mutating any missing template exception.
missing = object()
default_uri = ALL_TEMPLATES.get(name, missing)
if default_uri is None:
return ''
elif default_uri is missing:
raise URLError('No such file')
path, fp = find(default_uri, mlist, code)
try:
return fp.read()
finally:
fp.close()
def get(self, obj, attribute):
assert IMailingList.providedBy(obj), obj
template_name = TEMPLATE_ATTRIBUTES[attribute]
template = getUtility(ITemplateManager).raw(template_name, obj.list_id)
return '' if template is None else template.uri