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# (C) 2005 Canonical Ltd
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from cElementTree import Element, ElementTree, SubElement
def write_inventory(inv, f):
el = Element('inventory', {'version': '2'})
el.text = '\n'
root = Element('root_directory', {'id': inv.root.file_id})
root.tail = root.text = '\n'
el.append(root)
def descend(parent_el, ie):
kind = ie.kind
el = Element(kind, {'name': ie.name,
'id': ie.file_id,})
if kind == 'file':
if ie.text_id:
el.set('text_id', ie.text_id)
if ie.text_sha1:
el.set('text_sha1', ie.text_sha1)
if ie.text_size != None:
el.set('text_size', ('%d' % ie.text_size))
elif kind != 'directory':
bailout('unknown InventoryEntry kind %r' % kind)
el.tail = '\n'
parent_el.append(el)
if kind == 'directory':
el.text = '\n' # break before having children
l = ie.children.items()
l.sort()
for child_name, child_ie in l:
descend(el, child_ie)
# walk down through inventory, adding all directories
l = inv.root.children.items()
l.sort()
for entry_name, ie in l:
descend(root, ie)
ElementTree(el).write(f, 'utf-8')
f.write('\n')
def escape_attr(text):
return text.replace("&", "&") \
.replace("'", "'") \
.replace('"', """) \
.replace("<", "<") \
.replace(">", ">")
# This writes out an inventory without building an XML tree first,
# just to see if it's faster. Not currently used.
def write_slacker_inventory(inv, f):
def descend(ie):
kind = ie.kind
f.write('<%s name="%s" id="%s" ' % (kind, escape_attr(ie.name),
escape_attr(ie.file_id)))
if kind == 'file':
if ie.text_id:
f.write('text_id="%s" ' % ie.text_id)
if ie.text_sha1:
f.write('text_sha1="%s" ' % ie.text_sha1)
if ie.text_size != None:
f.write('text_size="%d" ' % ie.text_size)
f.write('/>\n')
elif kind == 'directory':
f.write('>\n')
l = ie.children.items()
l.sort()
for child_name, child_ie in l:
descend(child_ie)
f.write('</directory>\n')
else:
bailout('unknown InventoryEntry kind %r' % kind)
f.write('<inventory>\n')
f.write('<root_directory id="%s">\n' % escape_attr(inv.root.file_id))
l = inv.root.children.items()
l.sort()
for entry_name, ie in l:
descend(ie)
f.write('</root_directory>\n')
f.write('</inventory>\n')
def read_new_inventory(f):
from inventory import Inventory, InventoryEntry
def descend(parent_ie, el):
kind = el.tag
name = el.get('name')
file_id = el.get('id')
ie = InventoryEntry(file_id, name, el.tag)
parent_ie.children[name] = ie
inv._byid[file_id] = ie
if kind == 'directory':
for child_el in el:
descend(ie, child_el)
elif kind == 'file':
assert len(el) == 0
ie.text_id = el.get('text_id')
v = el.get('text_size')
ie.text_size = v and int(v)
ie.text_sha1 = el.get('text_sha1')
else:
bailout("unknown inventory entry %r" % kind)
inv_el = ElementTree().parse(f)
assert inv_el.tag == 'inventory'
root_el = inv_el[0]
assert root_el.tag == 'root_directory'
inv = Inventory()
for el in root_el:
descend(inv.root, el)
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