dd59c1b146
- Socket Interface: - completed termination strings - completed the basic structure and protocol specifications - Database backend: - removed useless indexes - implemented useful indexes - improved queries speed (whose make dependencies calculation faster) - implemented tables automigration to INTEGER PRIMARY KEY AUTOINCREMENT to allow future repositories differential updates - Entropy as user: - made equo update possible to be run for users in 'entropy' group, this will allow to have a powerful GUI notification applet - improved repositories synchronization speed git-svn-id: http://svn.sabayonlinux.org/projects/entropy/trunk@1521 cd1c1023-2f26-0410-ae45-c471fc1f0318
110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
#!/usr/bin/python
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'''
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# DESCRIPTION:
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# load/save a data to file by dumping its structure
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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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from entropyConstants import *
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try:
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import cPickle as pickle
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except ImportError:
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import pickle
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'''
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@description: dump object to file
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@input: name of the object, object
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@output: status code
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'''
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def dumpobj(name, object, completePath = False):
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while 1: # trap ctrl+C
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if completePath:
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dmpfile = name
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else:
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dump_path = os.path.join(etpConst['dumpstoragedir'],name)
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dump_dir = os.path.dirname(dump_path)
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#dump_name = os.path.basename(dump_path)
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if not os.path.isdir(dump_dir):
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os.makedirs(dump_dir,0775)
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const_setup_perms(dump_dir,etpConst['entropygid'])
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dmpfile = dump_path+".dmp"
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if os.path.isfile(dmpfile):
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os.remove(dmpfile)
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f = open(dmpfile,"wb")
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pickle.dump(object,f)
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os.chmod(dmpfile,0664)
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if etpConst['entropygid'] != None:
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os.chown(dmpfile,-1,etpConst['entropygid'])
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f.flush()
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f.close()
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break
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'''
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@description: serialize object to f (file)
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@input: object, file object
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@output: file object, pointer to the beginning
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'''
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def serialize(object, f):
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pickle.dump(object,f)
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f.flush()
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f.seek(0)
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return f
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'''
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@description: unserialize file to object (file)
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@input: file object
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@output: object
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'''
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def unserialize(f):
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x = pickle.load(f)
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return x
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'''
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@description: load object from a file
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@input: name of the object
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@output: object or, if error -1
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'''
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def loadobj(name, completePath = False):
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while 1:
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if completePath:
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dmpfile = name
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else:
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dump_path = os.path.join(etpConst['dumpstoragedir'],name)
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#dump_dir = os.path.dirname(dump_path)
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#dump_name = os.path.basename(dump_path)
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dmpfile = dump_path+".dmp"
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if os.path.isfile(dmpfile) and os.access(dmpfile,os.R_OK):
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f = open(dmpfile,"rb")
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x = None
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try:
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x = pickle.load(f)
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except ValueError:
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pass
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except EOFError:
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pass
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except pickle.UnpicklingError:
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pass
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f.close()
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return x
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break
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def removeobj(name):
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if os.path.isfile(etpConst['dumpstoragedir']+"/"+name+".dmp"):
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try:
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os.remove(etpConst['dumpstoragedir']+"/"+name+".dmp")
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except OSError:
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pass |