1#!/usr/bin/env python3 2 3# Script name : tbird2claws.py 4# Script purpose : Integrate a Thunderbird folder tree to Claws Mail 5# Author : Aleksandar Urosevic aka Urke MMI <urke@gmx.net> 6# Licence : GPL 7# Author: Rodrigo Dias Arruda Senra 8 9#The script receives two parameters from command-line: 10#<Thunderbird folder path> <Claws Mail folder path> 11 12#Best way to use it is to go to inside yout Thunderbird 13#root mailfolder directory and invoke it as: 14 15#<path>\python3 <path>\tbird2claws.py . <path to claws-mail>\Mail 16 17import os 18import sys 19import importlib 20 21__author__ = 'Rodrigo Senra <rsenra@acm.org>' 22__date__ = '2005-03-23' 23__version__ = '0.3' 24 25__doc__ = r""" 26This module integrates your Mozilla Thunderbird 1.0 tree to 27your Claws Mail MH mailbox tree. 28 29The script receives two parameters from command-line: 30 <Thunderbird folder path> <Claws Mail folder path> 31 32Best way to use it is to go to inside your Thunderbird 33root mailfolder directory and invoke it as: 34 35 <path>\python3 <path>\tbird2claws.py . <path to claws mail>\Mail 36 37This idiom will avoid the creation of the folder Thunderbird inside 38your Claws Mail folder tree. 39 40If the names of your directories match in both trees, files should 41be placed in the correct folder. 42 43This is an alpha release, so it may be a little rough around the edges. 44Nevertheless, I used it with great success to convert a very large and 45deep folder tree. 46 47Please, do backup your claws-mail (destination) folder tree before trying 48this out. Live safe and die old! 49 50This code is released in the public domain. 51""" 52 53def harvest_offsets(filepath): 54 """Given the filepath, this runs through the file finding 55 the number of the line where a message begins. 56 57 The function returns a list of integers corresponding to 58 the beginning of messages. 59 """ 60 offsets = [] 61 i = 0 62 state = 'begin' 63 for i,line in enumerate(open(filepath)): 64 if line.startswith('From - ') and state!='found_head': 65 offsets.append(i) 66 continue 67# elif line.startswith('Return-Path') and state=='found_head': 68# state = 'found_offset' 69# offsets.append(i) 70# continue 71 offsets.append(i) 72 return offsets 73 74def make_messages(outputdir, filepath, offsets, start): 75 """Given a filepath holding several messages in Thunderbird format, 76 extract the messages and create individual files for them, inside 77 outputdir with appropriate the appropriate naming scheme. 78 """ 79 if not os.path.exists(outputdir): 80 os.makedirs(outputdir) 81 if not os.path.exists(filepath): 82 raise Exception('Cannot find message file %s'%(filepath)) 83 lines = open(filepath).readlines() 84 aux = offsets[:] 85 msgoffs = zip(offsets[:-1], aux[1:]) 86 for i,j in msgoffs: 87 fd = open(os.path.join(outputdir,"%d"%start),"w") 88 fd.write(''.join(lines[i:j-1])) #-1 to remove first from line 89 fd.close() 90 start +=1 91 92def process_file(filepath, outputdir): 93 """Integrates a Thunderbird message file into a claws-mail message directory. 94 """ 95 offs = harvest_offsets(filepath) 96 make_messages(outputdir, filepath, offs, 1) 97 98def clean_path(path): 99 """Rename all directories and subdirectories <X>.sbd to <X> 100 """ 101 l = [] 102 f = os.path.basename(path) 103 while f and f != "": 104 if f.endswith('.sbd'): 105 f = f[:-4] 106 l.append(f) 107 path = os.path.dirname(path) 108 f = os.path.basename(path) 109 l.reverse() 110 r = os.path.join(*l) 111 return r 112 113 114 115def convert_tree(in_treepath, out_treepath): 116 """Traverse your thunderbird tree, converting each message file found into 117 a claws-mail message directory. 118 """ 119 for path,subs,files in os.walk(in_treepath): 120 outpath = clean_path(path) 121 if files: 122 for f in [x for x in files if not x.endswith('.msf')]: 123 process_file(os.path.join(path,f), 124 os.path.join(out_treepath,outpath,f)) 125 126if __name__=='__main__': 127 if len(sys.argv)<3: 128 print (__doc__) 129 else: 130 if sys.version[0] == '2': 131 importlib.reload(sys) 132 sys.setdefaultencoding('utf8') 133 convert_tree(sys.argv[1], sys.argv[2]) 134