4cef0fc7c3
git-svn-id: http://svn.sabayonlinux.org/projects/entropy/trunk@782 cd1c1023-2f26-0410-ae45-c471fc1f0318
83 lines
2.6 KiB
Python
83 lines
2.6 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 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 sys
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from xml.dom import minidom
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from entropyConstants import *
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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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doc = minidom.Document()
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structure = doc.createElement("structure")
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doc.appendChild(structure)
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data = doc.createElement("data")
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structure.appendChild(data)
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text = doc.createTextNode(unicode(object))
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data.appendChild(text)
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# etpConst['dumpstoragedir']
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try:
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if completePath:
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dmpfile = name
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else:
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if not os.path.isdir(etpConst['dumpstoragedir']):
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os.makedirs(etpConst['dumpstoragedir'])
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dmpfile = etpConst['dumpstoragedir']+"/"+name+".dmp"
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f = open(dmpfile,"w")
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f.writelines(doc.toprettyxml(indent=" "))
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f.flush()
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f.close()
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except:
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raise IOError,"can't write to file "+name
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break
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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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if completePath:
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dmpfile = name
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else:
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dmpfile = etpConst['dumpstoragedir']+"/"+name+".dmp"
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if os.path.isfile(dmpfile):
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try:
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xmldoc = minidom.parse(dmpfile)
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structure = xmldoc.firstChild
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data = structure.childNodes[1]
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x = eval(data.firstChild.data.strip())
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return x
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except:
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os.remove(dmpfile)
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raise SyntaxError,"cannot load object"
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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 |