docker-offlineimap/offlineimap/repository/Maildir.py
Darshit Shah b5a4925efc Enable environment variable expansion on Repository.localfolders
Commit e51ed80e claims to add tilde and environment variable expansion
to multiple locations including Repository.localfolders. However, this
particular options seems to have been missed in that commit, and
apparently no one noticed till date

Signed-off-by: Darshit Shah <darnir@gmail.com>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
2016-11-30 19:22:57 +01:00

220 lines
8.7 KiB
Python

# Maildir repository support
# Copyright (C) 2002-2015 John Goerzen & contributors
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
from offlineimap import folder
from offlineimap.ui import getglobalui
from offlineimap.error import OfflineImapError
from offlineimap.repository.Base import BaseRepository
import os
from stat import *
class MaildirRepository(BaseRepository):
def __init__(self, reposname, account):
"""Initialize a MaildirRepository object. Takes a path name
to the directory holding all the Maildir directories."""
BaseRepository.__init__(self, reposname, account)
self.root = self.getlocalroot()
self.folders = None
self.ui = getglobalui()
self.debug("MaildirRepository initialized, sep is %s"% repr(self.getsep()))
self.folder_atimes = []
# Create the top-level folder if it doesn't exist
if not os.path.isdir(self.root):
os.makedirs(self.root, 0o700)
# Create the keyword->char mapping
self.keyword2char = dict()
for c in 'abcdefghijklmnopqrstuvwxyz':
confkey = 'customflag_' + c
keyword = self.getconf(confkey, None)
if keyword is not None:
self.keyword2char[keyword] = c
def _append_folder_atimes(self, foldername):
"""Store the atimes of a folder's new|cur in self.folder_atimes"""
p = os.path.join(self.root, foldername)
new = os.path.join(p, 'new')
cur = os.path.join(p, 'cur')
atimes = (p, os.path.getatime(new), os.path.getatime(cur))
self.folder_atimes.append(atimes)
def restore_atime(self):
"""Sets folders' atime back to their values after a sync
Controlled by the 'restoreatime' config parameter."""
if not self.getconfboolean('restoreatime', False):
return # not configured to restore
for (dirpath, new_atime, cur_atime) in self.folder_atimes:
new_dir = os.path.join(dirpath, 'new')
cur_dir = os.path.join(dirpath, 'cur')
os.utime(new_dir, (new_atime, os.path.getmtime(new_dir)))
os.utime(cur_dir, (cur_atime, os.path.getmtime(cur_dir)))
def getlocalroot(self):
xforms = [os.path.expanduser, os.path.expandvars]
return self.getconf_xform('localfolders', xforms)
def debug(self, msg):
self.ui.debug('maildir', msg)
def getsep(self):
return self.getconf('sep', '.').strip()
def getkeywordmap(self):
return self.keyword2char if len(self.keyword2char) > 0 else None
def makefolder(self, foldername):
"""Create new Maildir folder if necessary
This will not update the list cached in getfolders(). You will
need to invoke :meth:`forgetfolders` to force new caching when
you are done creating folders yourself.
:param foldername: A relative mailbox name. The maildir will be
created in self.root+'/'+foldername. All intermediate folder
levels will be created if they do not exist yet. 'cur',
'tmp', and 'new' subfolders will be created in the maildir.
"""
self.ui.makefolder(self, foldername)
if self.account.dryrun:
return
full_path = os.path.abspath(os.path.join(self.root, foldername))
# sanity tests
if self.getsep() == '/':
for component in foldername.split('/'):
assert not component in ['new', 'cur', 'tmp'],\
"When using nested folders (/ as a Maildir separator), "\
"folder names may not contain 'new', 'cur', 'tmp'."
assert foldername.find('../') == -1, "Folder names may not contain ../"
assert not foldername.startswith('/'), "Folder names may not begin with /"
# If we're using hierarchical folders, it's possible that
# sub-folders may be created before higher-up ones.
self.debug("makefolder: calling makedirs '%s'"% full_path)
try:
os.makedirs(full_path, 0o700)
except OSError as e:
if e.errno == 17 and os.path.isdir(full_path):
self.debug("makefolder: '%s' already a directory"% foldername)
else:
raise
for subdir in ['cur', 'new', 'tmp']:
try:
os.mkdir(os.path.join(full_path, subdir), 0o700)
except OSError as e:
if e.errno == 17 and os.path.isdir(full_path):
self.debug("makefolder: '%s' already has subdir %s"%
(foldername, subdir))
else:
raise
def deletefolder(self, foldername):
self.ui.warn("NOT YET IMPLEMENTED: DELETE FOLDER %s"% foldername)
def getfolder(self, foldername):
"""Return a Folder instance of this Maildir
If necessary, scan and cache all foldernames to make sure that
we only return existing folders and that 2 calls with the same
name will return the same object."""
# getfolders() will scan and cache the values *if* necessary
folders = self.getfolders()
for f in folders:
if foldername == f.name:
return f
raise OfflineImapError("getfolder() asked for a nonexisting "
"folder '%s'."% foldername, OfflineImapError.ERROR.FOLDER)
def _getfolders_scandir(self, root, extension=None):
"""Recursively scan folder 'root'; return a list of MailDirFolder
:param root: (absolute) path to Maildir root
:param extension: (relative) subfolder to examine within root"""
self.debug("_GETFOLDERS_SCANDIR STARTING. root = %s, extension = %s"%
(root, extension))
retval = []
# Configure the full path to this repository -- "toppath"
if extension:
toppath = os.path.join(root, extension)
else:
toppath = root
self.debug(" toppath = %s"% toppath)
# Iterate over directories in top & top itself.
for dirname in os.listdir(toppath) + ['']:
self.debug(" dirname = %s"% dirname)
if dirname == '' and extension is not None:
self.debug(' skip this entry (already scanned)')
continue
if dirname in ['cur', 'new', 'tmp']:
self.debug(" skip this entry (Maildir special)")
# Bypass special files.
continue
fullname = os.path.join(toppath, dirname)
if not os.path.isdir(fullname):
self.debug(" skip this entry (not a directory)")
# Not a directory -- not a folder.
continue
# extension can be None.
if extension:
foldername = os.path.join(extension, dirname)
else:
foldername = dirname
if (os.path.isdir(os.path.join(fullname, 'cur')) and
os.path.isdir(os.path.join(fullname, 'new')) and
os.path.isdir(os.path.join(fullname, 'tmp'))):
# This directory has maildir stuff -- process
self.debug(" This is maildir folder '%s'."% foldername)
if self.getconfboolean('restoreatime', False):
self._append_folder_atimes(foldername)
fd = self.getfoldertype()(self.root, foldername,
self.getsep(), self)
retval.append(fd)
if self.getsep() == '/' and dirname != '':
# Recursively check sub-directories for folders too.
retval.extend(self._getfolders_scandir(root, foldername))
self.debug("_GETFOLDERS_SCANDIR RETURNING %s"% \
repr([x.getname() for x in retval]))
return retval
def getfolders(self):
if self.folders == None:
self.folders = self._getfolders_scandir(self.root)
return self.folders
def getfoldertype(self):
return folder.Maildir.MaildirFolder
def forgetfolders(self):
"""Forgets the cached list of folders, if any. Useful to run
after a sync run."""
self.folders = None