docker-offlineimap/offlineimap/repository/Maildir.py

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# Maildir repository support
# Copyright (C) 2002 John Goerzen
# <jgoerzen@complete.org>
#
# 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.
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#
# 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
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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from Base import BaseRepository
from offlineimap import folder
from offlineimap.ui import getglobalui
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import os
from stat import *
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class MaildirRepository(BaseRepository):
def __init__(self, reposname, account):
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"""Initialize a MaildirRepository object. Takes a path name
to the directory holding all the Maildir directories."""
BaseRepository.__init__(self, reposname, account)
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self.root = self.getlocalroot()
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self.folders = None
self.ui = getglobalui()
self.debug("MaildirRepository initialized, sep is " + repr(self.getsep()))
self.folder_atimes = []
# Create the top-level folder if it doesn't exist
if not os.path.isdir(self.root):
os.mkdir(self.root, 0700)
def _append_folder_atimes(self, foldername):
p = os.path.join(self.root, foldername)
new = os.path.join(p, 'new')
cur = os.path.join(p, 'cur')
f = p, os.stat(new)[ST_ATIME], os.stat(cur)[ST_ATIME]
self.folder_atimes.append(f)
def restore_folder_atimes(self):
if not self.folder_atimes:
return
for f in self.folder_atimes:
t = f[1], os.stat(os.path.join(f[0], 'new'))[ST_MTIME]
os.utime(os.path.join(f[0], 'new'), t)
t = f[2], os.stat(os.path.join(f[0], 'cur'))[ST_MTIME]
os.utime(os.path.join(f[0], 'cur'), t)
def getlocalroot(self):
return os.path.expanduser(self.getconf('localfolders'))
def debug(self, msg):
self.ui.debug('maildir', msg)
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def getsep(self):
return self.getconf('sep', '.').strip()
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def makefolder(self, foldername):
"""Create new Maildir folder if necessary
: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.debug("makefolder called with arg '%s'" % (foldername))
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, 0700)
except OSError, e:
if e.errno == 17 and os.path.isdir(full_path):
self.debug("makefolder: '%s' already a directory" % foldername)
else:
raise
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for subdir in ['cur', 'new', 'tmp']:
try:
os.mkdir(os.path.join(full_path, subdir), 0700)
except OSError, e:
if e.errno == 17 and os.path.isdir(full_path):
self.debug("makefolder: '%s' already has subdir %s" %
(foldername, sudir))
else:
raise
# Invalidate the folder cache
self.folders = None
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def deletefolder(self, foldername):
self.ui.warn("NOT YET IMPLEMENTED: DELETE FOLDER %s" % foldername)
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def getfolder(self, foldername):
if self.config.has_option('Repository ' + self.name, 'restoreatime') and self.config.getboolean('Repository ' + self.name, 'restoreatime'):
self._append_folder_atimes(foldername)
return folder.Maildir.MaildirFolder(self.root, foldername,
self.getsep(), self,
self.accountname, self.config)
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def _getfolders_scandir(self, root, extension = None):
self.debug("_GETFOLDERS_SCANDIR STARTING. root = %s, extension = %s" \
% (root, extension))
# extension willl only be non-None when called recursively when
# getsep() returns '/'.
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retval = []
# Configure the full path to this repository -- "toppath"
if extension == None:
toppath = root
else:
toppath = os.path.join(root, extension)
self.debug(" toppath = %s" % toppath)
# Iterate over directories in top & top itself.
for dirname in os.listdir(toppath) + [toppath]:
self.debug(" *** top of loop")
self.debug(" dirname = %s" % dirname)
if dirname in ['cur', 'new', 'tmp']:
self.debug(" skipping this dir (Maildir special)")
# Bypass special files.
continue
fullname = os.path.join(toppath, dirname)
self.debug(" fullname = %s" % fullname)
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if not os.path.isdir(fullname):
self.debug(" skipping this entry (not a directory)")
# Not a directory -- not a folder.
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continue
foldername = dirname
if extension != None:
foldername = os.path.join(extension, 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 a maildir folder.")
self.debug(" foldername = %s" % foldername)
if self.config.has_option('Repository ' + self.name, 'restoreatime') and self.config.getboolean('Repository ' + self.name, 'restoreatime'):
self._append_folder_atimes(foldername)
retval.append(folder.Maildir.MaildirFolder(self.root, foldername,
self.getsep(), self, self.accountname,
self.config))
if self.getsep() == '/' and dirname:
# Check sub-directories for folders.
retval.extend(self._getfolders_scandir(root, foldername))
self.debug("_GETFOLDERS_SCANDIR RETURNING %s" % \
repr([x.getname() for x in retval]))
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return retval
def getfolders(self):
if self.folders == None:
self.folders = self._getfolders_scandir(self.root)
return self.folders