5d4ba6dc47
git-svn-id: http://svn.sabayonlinux.org/projects/entropy/trunk@1114 cd1c1023-2f26-0410-ae45-c471fc1f0318
332 lines
14 KiB
Python
332 lines
14 KiB
Python
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#!/usr/bin/python
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'''
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# DESCRIPTION:
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# Packages configuration files handling function (etc-update alike)
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Copyright (C) 2007-2008 Fabio Erculiani
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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'''
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import shutil
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import commands
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from entropyConstants import *
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from outputTools import *
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import exceptionTools
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from entropy import EquoInterface
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Equo = EquoInterface() # client db must be available, it is for a reason!
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# test if diff is installed
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difftest = Equo.entropyTools.spawnCommand("diff -v", redirect = "&> /dev/null")
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if (difftest):
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raise exceptionTools.FileNotFound("FileNotFound: can't find diff")
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########################################################
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####
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## Configuration Tools
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#
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def configurator(options):
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rc = 0
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if len(options) < 1:
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return -10
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# check if I am root
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if (not Equo.entropyTools.isRoot()):
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print_error(red("You are not ")+bold("root")+red("."))
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return 1
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if options[0] == "info":
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rc = confinfo()
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elif options[0] == "update":
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rc = update()
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else:
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rc = -10
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return rc
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'''
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@description: scan for files that need to be merged
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@output: dictionary using filename as key
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'''
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def update(cmd = None):
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cache_status = False
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docmd = False
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if cmd != None:
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docmd = True
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while 1:
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print_info(brown(" @@ ")+darkgreen("Scanning filesystem..."))
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scandata = Equo.FileUpdates.scanfs(dcache = cache_status)
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if (cache_status):
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for x in scandata:
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print_info("("+blue(str(x))+") "+red(" file: ")+etpConst['systemroot']+scandata[x]['destination'])
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cache_status = True
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if (not scandata):
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print_info(darkred("All fine baby. Nothing to do!"))
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break
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keys = scandata.keys()
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if not docmd:
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cmd = selfile()
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else:
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docmd = False
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try:
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cmd = int(cmd)
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except:
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print_error("Type a number.")
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continue
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# actions
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if cmd == -1:
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# exit
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return -1
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elif cmd in (-3,-5):
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# automerge files asking one by one
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for key in keys:
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if not os.path.isfile(etpConst['systemroot']+scandata[key]['source']):
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scandata = Equo.FileUpdates.remove_from_cache(scandata,key)
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continue
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print_info(darkred("Configuration file: ")+darkgreen(etpConst['systemroot']+scandata[key]['destination']))
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if cmd == -3:
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rc = Equo.askQuestion(">> Overwrite ?")
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if rc == "No":
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continue
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print_info(darkred("Moving ")+darkgreen(etpConst['systemroot']+scandata[key]['source'])+darkred(" to ")+brown(etpConst['systemroot']+scandata[key]['destination']))
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# old file backup
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if etpConst['filesbackup'] and os.path.isfile(etpConst['systemroot']+scandata[key]['destination']):
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bcount = 0
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backupfile = etpConst['systemroot']+os.path.dirname(scandata[key]['destination'])+"/._equo_backup."+unicode(bcount)+"_"+os.path.basename(scandata[key]['destination'])
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while os.path.lexists(backupfile):
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bcount += 1
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backupfile = etpConst['systemroot']+os.path.dirname(scandata[key]['destination'])+"/._equo_backup."+unicode(bcount)+"_"+os.path.basename(scandata[key]['destination'])
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try:
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shutil.copy2(etpConst['systemroot']+scandata[key]['destination'],backupfile)
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except IOError:
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pass
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shutil.move(etpConst['systemroot']+scandata[key]['source'],etpConst['systemroot']+scandata[key]['destination'])
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# remove from cache
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scandata = Equo.FileUpdates.remove_from_cache(scandata,key)
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break
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elif cmd in (-7,-9):
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for key in keys:
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if not os.path.isfile(etpConst['systemroot']+scandata[key]['source']):
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scandata = Equo.FileUpdates.remove_from_cache(scandata,key)
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continue
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print_info(darkred("Configuration file: ")+darkgreen(etpConst['systemroot']+scandata[key]['destination']))
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if cmd == -7:
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rc = Equo.askQuestion(">> Discard ?")
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if rc == "No":
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continue
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print_info(darkred("Discarding ")+darkgreen(etpConst['systemroot']+scandata[key]['source']))
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try:
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os.remove(etpConst['systemroot']+scandata[key]['source'])
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except:
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pass
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scandata = Equo.FileUpdates.remove_from_cache(scandata,key)
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break
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elif cmd > 0:
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if scandata.get(cmd):
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# do files exist?
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if not os.path.isfile(etpConst['systemroot']+scandata[cmd]['source']):
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scandata = Equo.FileUpdates.remove_from_cache(scandata,key)
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continue
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if not os.path.isfile(etpConst['systemroot']+scandata[cmd]['destination']):
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print_info(darkred("Automerging file: ")+darkgreen(etpConst['systemroot']+scandata[cmd]['source']))
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shutil.move(etpConst['systemroot']+scandata[key]['source'],etpConst['systemroot']+scandata[key]['destination'])
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scandata = Equo.FileUpdates.remove_from_cache(scandata,key)
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continue
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# end check
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diff = showdiff(etpConst['systemroot']+scandata[cmd]['destination'],etpConst['systemroot']+scandata[cmd]['source'])
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if (not diff):
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print_info(darkred("Automerging file ")+darkgreen(etpConst['systemroot']+scandata[cmd]['source']))
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shutil.move(etpConst['systemroot']+scandata[cmd]['source'],etpConst['systemroot']+scandata[cmd]['destination'])
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scandata = Equo.FileUpdates.remove_from_cache(scandata,key)
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continue
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print_info(darkred("Selected file: ")+darkgreen(etpConst['systemroot']+scandata[cmd]['source']))
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comeback = False
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while 1:
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action = selaction()
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try:
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action = int(action)
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except:
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print_error("You don't have typed a number.")
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continue
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# actions handling
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if action == -1:
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comeback = True
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break
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elif action == 1:
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print_info(darkred("Replacing ")+darkgreen(etpConst['systemroot']+scandata[cmd]['destination'])+darkred(" with ")+darkgreen(etpConst['systemroot']+scandata[cmd]['source']))
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# old file backup
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if etpConst['filesbackup'] and os.path.isfile(etpConst['systemroot']+scandata[cmd]['destination']):
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bcount = 0
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backupfile = etpConst['systemroot']+os.path.dirname(scandata[cmd]['destination'])+"/._equo_backup."+unicode(bcount)+"_"+os.path.basename(scandata[cmd]['destination'])
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while os.path.lexists(backupfile):
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bcount += 1
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backupfile = etpConst['systemroot']+os.path.dirname(scandata[cmd]['destination'])+"/._equo_backup."+unicode(bcount)+"_"+os.path.basename(scandata[cmd]['destination'])
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try:
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shutil.copy2(etpConst['systemroot']+scandata[cmd]['destination'],backupfile)
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except IOError:
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pass
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shutil.move(etpConst['systemroot']+scandata[cmd]['source'],etpConst['systemroot']+scandata[cmd]['destination'])
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scandata = Equo.FileUpdates.remove_from_cache(scandata,cmd)
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comeback = True
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break
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elif action == 2:
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print_info(darkred("Deleting file ")+darkgreen(etpConst['systemroot']+scandata[cmd]['source']))
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try:
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os.remove(etpConst['systemroot']+scandata[cmd]['source'])
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except:
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pass
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scandata = Equo.FileUpdates.remove_from_cache(scandata,cmd)
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comeback = True
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break
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elif action == 3:
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print_info(darkred("Editing file ")+darkgreen(etpConst['systemroot']+scandata[cmd]['source']))
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if os.getenv("EDITOR"):
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os.system("$EDITOR "+etpConst['systemroot']+scandata[cmd]['source'])
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elif os.access("/bin/nano",os.X_OK):
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os.system("/bin/nano "+etpConst['systemroot']+scandata[cmd]['source'])
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elif os.access("/bin/vi",os.X_OK):
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os.system("/bin/vi "+etpConst['systemroot']+scandata[cmd]['source'])
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elif os.access("/usr/bin/vi",os.X_OK):
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os.system("/usr/bin/vi "+etpConst['systemroot']+scandata[cmd]['source'])
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elif os.access("/usr/bin/emacs",os.X_OK):
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os.system("/usr/bin/emacs "+etpConst['systemroot']+scandata[cmd]['source'])
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elif os.access("/bin/emacs",os.X_OK):
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os.system("/bin/emacs "+etpConst['systemroot']+scandata[cmd]['source'])
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else:
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print_error(" Cannot find a suitable editor. Can't edit file directly.")
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comeback = True
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break
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print_info(darkred("Edited file ")+darkgreen(etpConst['systemroot']+scandata[cmd]['source'])+darkred(" - showing differencies:"))
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diff = showdiff(etpConst['systemroot']+scandata[cmd]['destination'],etpConst['systemroot']+scandata[cmd]['source'])
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if (not diff):
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print_info(darkred("Automerging file ")+darkgreen(scandata[cmd]['source']))
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shutil.move(etpConst['systemroot']+scandata[cmd]['source'],etpConst['systemroot']+scandata[cmd]['destination'])
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scandata = Equo.FileUpdates.remove_from_cache(scandata, cmd)
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comeback = True
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break
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continue
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elif action == 4:
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# show diffs again
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diff = showdiff(etpConst['systemroot']+scandata[cmd]['destination'],etpConst['systemroot']+scandata[cmd]['source'])
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continue
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if (comeback):
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continue
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break
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'''
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@description: show files commands and let the user to choose
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@output: action number
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'''
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def selfile():
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print_info(darkred("Please choose a file to update by typing its identification number."))
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print_info(darkred("Other options are:"))
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print_info(" ("+blue("-1")+")"+darkgreen(" Exit"))
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print_info(" ("+blue("-3")+")"+brown(" Automerge all the files asking you one by one"))
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print_info(" ("+blue("-5")+")"+darkred(" Automerge all the files without questioning"))
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print_info(" ("+blue("-7")+")"+brown(" Discard all the files asking you one by one"))
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print_info(" ("+blue("-9")+")"+darkred(" Discard all the files without questioning"))
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# wait user interaction
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action = readtext("Your choice (type a number and press enter): ")
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return action
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'''
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@description: show actions for a chosen file
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@output: action number
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'''
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def selaction():
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print_info(darkred("Please choose an action to take for the selected file."))
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print_info(" ("+blue("-1")+")"+darkgreen(" Come back to the files list"))
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print_info(" ("+blue("1")+")"+brown(" Replace original with update"))
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print_info(" ("+blue("2")+")"+darkred(" Delete update, keeping original as is"))
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print_info(" ("+blue("3")+")"+brown(" Edit proposed file and show diffs again"))
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print_info(" ("+blue("4")+")"+darkred(" Show differences again"))
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# wait user interaction
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action = readtext("Your choice (type a number and press enter): ")
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return action
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def showdiff(fromfile,tofile):
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# run diff
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diffcmd = "diff -Nu "+fromfile+" "+tofile #+" | less --no-init --QUIT-AT-EOF"
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output = commands.getoutput(diffcmd).split("\n")
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coloured = []
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for line in output:
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if line.startswith("---"):
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line = darkred(line)
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elif line.startswith("+++"):
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line = red(line)
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elif line.startswith("@@"):
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line = brown(line)
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elif line.startswith("-"):
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line = blue(line)
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elif line.startswith("+"):
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line = darkgreen(line)
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coloured.append(line+"\n")
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f = open("/tmp/"+os.path.basename(fromfile),"w")
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f.writelines(coloured)
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f.flush()
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f.close()
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print
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os.system("cat /tmp/"+os.path.basename(fromfile)+" | less --no-init --QUIT-AT-EOF")
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try:
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os.remove("/tmp/"+os.path.basename(fromfile))
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except:
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pass
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if output == ['']: output = [] #FIXME beautify
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return output
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'''
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@description: prints information about config files that should be updated
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'''
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def confinfo():
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print_info(brown(" @@ ")+darkgreen("These are the files that would be updated:"))
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data = Equo.FileUpdates.scanfs(dcache = False)
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counter = 0
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for item in data:
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counter += 1
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print_info(" ("+blue(str(counter))+") "+"[auto:"+str(data[item]['automerge'])+"]"+red(" file: ")+str(item))
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print_info(red(" @@ ")+brown("Unique files that would be update:\t\t")+red(str(len(data))))
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automerge = 0
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for x in data:
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if data[x]['automerge']:
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automerge += 1
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print_info(red(" @@ ")+brown("Unique files that would be automerged:\t\t")+green(str(automerge)))
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return 0
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