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# Copyright 2014 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import mailbox
import os
import distixlib
class CannotLoadTicketError(distixlib.StructuredError):
msg = "Can't load ticket from {directory}: {errno}: {strerror}"
class TicketLoader(object):
def load_from_directory(self, dirname):
metadata_filename = os.path.join(dirname, 'ticket.yaml')
try:
metadata = self._load_metadata(metadata_filename)
except distixlib.CannotLoadMetadataError as e:
raise CannotLoadTicketError(
directory=dirname,
errno=e.kwargs['errno'],
strerror=e.kwargs['strerror'])
ticket = distixlib.Ticket()
ticket.set_ticket_metadata(metadata)
self._add_messages_to_ticket(ticket, self._load_messages(dirname))
ticket.make_clean()
return ticket
def _load_metadata(self, filename): # pragma: no cover
metadata_loader = distixlib.MetadataLoader()
return metadata_loader.load_from_file(filename)
def _load_messages(self, dirname): # pragma: no cover
maildir_name = os.path.join(dirname, 'Maildir')
maildir = mailbox.Maildir(maildir_name, factory=None)
return maildir.values()
def _add_messages_to_ticket(self, ticket, messages):
for message in messages: # pragma: no cover
ticket.add_message(message)
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