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#!/usr/bin/env python3.6
# note http://docs.python.org/lib/module-doctest.html
# resp. file:///usr/share/doc/python-docs-*/html/lib/module-doctest.html
# FIXME
# read https://www.toptal.com/python/an-introduction-to-mocking-in-python
# & https://blog.fugue.co/2016-02-11-python-mocking-101.html
# for unittest.mock tutorials
# for testing
import argparse
import configparser
import email
import logging
import os
import sys
from datetime import date
logging.basicConfig(format='%(levelname)s:%(funcName)s:%(message)s',
stream=sys.stdout, level=logging.DEBUG)
log = logging.getLogger('imapArch')
# from java.util import Properties, Date
# from java.lang import System
# from javax.mail import *
# from jarray import array
class FolderNotFoundError(IOError):
pass
def __getMessageDate(msg):
"""
Return the date of the message
@param msg analyzed message
@return GregorianCalendar of the messages date
@throws MessagingException
"""
dateMS = msg.getReceivedDate().getTime() // 1000
dateStruct = date.fromtimestamp(dateMS)
return dateStruct
class ArchivableFolder(list):
def __init__(self, source, year):
"""
Constructor for the folder.
@param source folder from the messages should be archived
@param year int of the year for which the messages are
archived
"""
self.sourceFolder = source
targetName = self.__getArchiveFolderName(source.getFullName(), year)
self.targetFolder = self.sourceFolder.getFolder(targetName)
def __getArchiveFolderName(self, srcFldName, year):
"""
@param folder string with the folder name
@param year int
@return
"""
archFolder = "INBOX/Archiv/"
rootLen = len("INBOX/")
if not(srcFldName[:rootLen] == "/INBOX/"):
raise FolderNotFoundError(
"We expect all folders to be under INBOX folder.")
baseName = srcFldName[rootLen:]
archFolder = "/" + archFolder + year + "/" + baseName
return archFolder
def add(self, msg):
self.append(msg)
def doArchive(self):
for message in self:
log.debug("Moving %s from %s to %s.",
message, self.sourceFolder.getFullName(),
self.targetFolder.getFullName())
# self.sourceFolder.copyMessages(array(self, Message),
# self.targetFolder)
# for message in self:
# message.setFlag(Flags.Flag.DELETED, true)
# self.sourceFolder.expunge()
class Archives(dict):
"""Collects archivable folders indexed by tuple of
folderName and year
"""
def __init__(self):
pass
def add(self, msg):
"""
Check whether the ArchivableFolder (@see ArchivableFolder)
for the particular year actually exists, and if not then create
it. In any event add
@param msg
"""
fld = msg.getFolder()
msgDate = __getMessageDate(msg)
year = msgDate.year
if not(self.search(fld, year)):
archfld = ArchivableFolder(fld, year)
self[self.__createKey(fld, year)] = archfld
def __createKey(self, name, year):
"""
Create a key for the list
@param fldName String with the full name of the folder
@param year int of the year of the messages to be stored
there
@return tuple consisting from the both parameters of
this function.
"""
return(name, year)
def search(self, fld, year):
"""
Find out whether the object with the key consisting of
the folder name and year exists in this object.
@param fld Folder where the message is stored
@param year int year of the message date
@return boolean saying whether the folder for this message
has been already added to this object.
"""
key = self.__createKey(fld.getFullName(), year)
return key in self
def archive(self):
for key in self:
self.doArchive()
class ArchivedStore(object):
def __init__(self, serverKey=None):
config = configparser.ConfigParser()
config.read(os.path.expanduser('~/.config/imap_archiver.cfg'))
acc_name = serverKey if serverKey is not None \
else config['general']['account']
self.cfg = dict(config.items(acc_name))
# if debug:
# self.session.setDebug(True)
# try:
# self.store = self.session.getStore("imaps")
# except:
# print >> sys.stderr, "Cannot get Store"
# raise
self._threeMonthAgo = date.today()
newmonth = self._threeMonthAgo.month - 3
self._threeMonthAgo = self._threeMonthAgo.replace(month=newmonth)
log.debug("host = %s, user = %s, password = %s",
self.cfg['host'], self.cfg['username'],
self.cfg['password'])
self.__login(host, user, password)
def __login(self, server, user, password):
try:
self.store.connect(server, user, password)
except:
log.debug("Cannot connect to %s as %s with password %s",
server, user, password)
raise
def archive(self, from_folder, archive_base):
# type: (str, str) -> None
inboxfolder = self.store.getDefaultFolder().getFolder("INBOX")
folderList = inboxfolder.list('*')
for folder in folderList:
if folder.getFullName()[:len("INBOX/Archiv")] != "INBOX/Archiv":
archMsgsCnt = self.__archiveFolder(folder)
# folder.close(False)
print("Processed messages = %d" % archMsgsCnt)
def __archiveFolder(self, fld):
fld.open(Folder.READ_WRITE)
for msg in fld.getMessages():
msgDate = __getMessageDate(msg)
print >>sys.stderr, str(msgDate), str(self._threeMonthAgo)
if msgDate < self._threeMonthAgo:
archFolder = self.__getArchiveFolderName(msg)
# print >> sys.stderr, archFolder
# fld.copyMessages(array([msg],type(msg)), archFolder)
# msg.setFlag(Flags.Flag.DELETED, true)
print("%s -> %s : %s" % (fld.getFullName(),
archFolder.getFullName(), msgDate))
folderLen = len(fld.getMessages())
fld.close(False)
return(folderLen)
def __enter__(self):
return self
def __exit__(self):
pass # FIXME self.something.close()
if __name__ == '__main__':
argp = argparse.ArgumentParser()
argp.add_argument('-d',
help='How old messages we should keep')
argp.add_argument('server',
help='Symbolic name of the server to be used')
argp.add_argument('folder',
help='Folder which should be archived')
argp.add_argument('archive',
help='Root folder to store annual archives to')
args = argp.parse_args()
with ArchivedStore(args.server) as myStore:
myStore.archive(args.folder, args.archive)
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