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Index of /FSS-BCZ/root/sys/class/tty/tty2/subsystem/ptmx
Index of /FSS-BCZ/root/sys/class/tty/tty2/subsystem/ptmx
h 16
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u_k ? """Read/write support for Maildir, mbox, MH, Babyl, and MMDF mailboxes."""
# Notes for authors of new mailbox subclasses:
#
# Remember to fsync() changes to disk before closing a modified file
# or returning from a flush() method. See functions _sync_flush() and
# _sync_close().
import os
import time
import calendar
import socket
import errno
import copy
import warnings
import email
import email.message
import email.generator
import io
import contextlib
from types import GenericAlias
try:
import fcntl
except ImportError:
fcntl = None
__all__ = ['Mailbox', 'Maildir', 'mbox', 'MH', 'Babyl', 'MMDF',
'Message', 'MaildirMessage', 'mboxMessage', 'MHMessage',
'BabylMessage', 'MMDFMessage', 'Error', 'NoSuchMailboxError',
'NotEmptyError', 'ExternalClashError', 'FormatError']
linesep = os.linesep.encode('ascii')
class Mailbox:
"""A group of messages in a particular place."""
def __init__(self, path, factory=None, create=True):
"""Initialize a Mailbox instance."""
self._path = os.path.abspath(os.path.expanduser(path))
self._factory = factory
def add(self, message):
"""Add message and return assigned key."""
raise NotImplementedError('Method must be implemented by subclass')
def remove(self, key):
"""Remove the keyed message; raise KeyError if it doesn't exist."""
raise NotImplementedError('Method must be implemented by subclass')
def __delitem__(self, key):
self.remove(key)
def discard(self, key):
"""If the keyed message exists, remove it."""
try:
self.remove(key)
except KeyError:
pass
def __setitem__(self, key, message):
"""Replace the keyed message; raise KeyError if it doesn't exist."""
raise NotImplementedError('Method must be implemented by subclass')
def get(self, key, default=None):
"""Return the keyed message, or default if it doesn't exist."""
try:
return self.__getitem__(key)
except KeyError:
return default
def __getitem__(self, key):
"""Return the keyed message; raise KeyError if it doesn't exist."""
if not self._factory:
return self.get_message(key)
else:
with contextlib.closing(self.get_file(key)) as file:
return self._factory(file)
def get_message(self, key):
"""Return a Mess