149
by mbp at sourcefrog
experiment with new nested inventory file format |
1 |
# (C) 2005 Canonical Ltd
|
2 |
||
3 |
# This program is free software; you can redistribute it and/or modify
|
|
4 |
# it under the terms of the GNU General Public License as published by
|
|
5 |
# the Free Software Foundation; either version 2 of the License, or
|
|
6 |
# (at your option) any later version.
|
|
7 |
||
8 |
# This program is distributed in the hope that it will be useful,
|
|
9 |
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
10 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
11 |
# GNU General Public License for more details.
|
|
12 |
||
13 |
# You should have received a copy of the GNU General Public License
|
|
14 |
# along with this program; if not, write to the Free Software
|
|
15 |
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
16 |
||
800
by Martin Pool
Merge John's import-speedup branch: |
17 |
from xml import ElementTree, Element |
149
by mbp at sourcefrog
experiment with new nested inventory file format |
18 |
|
19 |
||
20 |
def write_inventory(inv, f): |
|
21 |
el = Element('inventory', {'version': '2'}) |
|
189
by mbp at sourcefrog
improved new-inventory |
22 |
el.text = '\n' |
149
by mbp at sourcefrog
experiment with new nested inventory file format |
23 |
|
188
by mbp at sourcefrog
- experimental remote-branch support |
24 |
root = Element('root_directory', {'id': inv.root.file_id}) |
189
by mbp at sourcefrog
improved new-inventory |
25 |
root.tail = root.text = '\n' |
149
by mbp at sourcefrog
experiment with new nested inventory file format |
26 |
el.append(root) |
27 |
||
28 |
def descend(parent_el, ie): |
|
29 |
kind = ie.kind |
|
30 |
el = Element(kind, {'name': ie.name, |
|
31 |
'id': ie.file_id,}) |
|
32 |
||
33 |
if kind == 'file': |
|
34 |
if ie.text_id: |
|
35 |
el.set('text_id', ie.text_id) |
|
36 |
if ie.text_sha1: |
|
37 |
el.set('text_sha1', ie.text_sha1) |
|
38 |
if ie.text_size != None: |
|
39 |
el.set('text_size', ('%d' % ie.text_size)) |
|
40 |
elif kind != 'directory': |
|
694
by Martin Pool
- weed out all remaining calls to bailout() and remove the function |
41 |
raise BzrError('unknown InventoryEntry kind %r' % kind) |
150
by mbp at sourcefrog
experiment in writing XML by hand, not through ElementTree |
42 |
|
43 |
el.tail = '\n' |
|
149
by mbp at sourcefrog
experiment with new nested inventory file format |
44 |
parent_el.append(el) |
45 |
||
46 |
if kind == 'directory': |
|
189
by mbp at sourcefrog
improved new-inventory |
47 |
el.text = '\n' # break before having children |
149
by mbp at sourcefrog
experiment with new nested inventory file format |
48 |
l = ie.children.items() |
49 |
l.sort() |
|
50 |
for child_name, child_ie in l: |
|
51 |
descend(el, child_ie) |
|
52 |
||
53 |
||
54 |
# walk down through inventory, adding all directories
|
|
55 |
||
189
by mbp at sourcefrog
improved new-inventory |
56 |
l = inv.root.children.items() |
149
by mbp at sourcefrog
experiment with new nested inventory file format |
57 |
l.sort() |
58 |
for entry_name, ie in l: |
|
59 |
descend(root, ie) |
|
60 |
||
61 |
ElementTree(el).write(f, 'utf-8') |
|
62 |
f.write('\n') |
|
150
by mbp at sourcefrog
experiment in writing XML by hand, not through ElementTree |
63 |
|
64 |
||
191
by mbp at sourcefrog
more XML performance tests |
65 |
|
66 |
def escape_attr(text): |
|
67 |
return text.replace("&", "&") \ |
|
68 |
.replace("'", "'") \ |
|
69 |
.replace('"', """) \ |
|
70 |
.replace("<", "<") \ |
|
71 |
.replace(">", ">") |
|
72 |
||
73 |
||
188
by mbp at sourcefrog
- experimental remote-branch support |
74 |
# This writes out an inventory without building an XML tree first,
|
75 |
# just to see if it's faster. Not currently used.
|
|
150
by mbp at sourcefrog
experiment in writing XML by hand, not through ElementTree |
76 |
def write_slacker_inventory(inv, f): |
77 |
def descend(ie): |
|
78 |
kind = ie.kind |
|
191
by mbp at sourcefrog
more XML performance tests |
79 |
f.write('<%s name="%s" id="%s" ' % (kind, escape_attr(ie.name), |
80 |
escape_attr(ie.file_id))) |
|
150
by mbp at sourcefrog
experiment in writing XML by hand, not through ElementTree |
81 |
|
82 |
if kind == 'file': |
|
83 |
if ie.text_id: |
|
84 |
f.write('text_id="%s" ' % ie.text_id) |
|
85 |
if ie.text_sha1: |
|
86 |
f.write('text_sha1="%s" ' % ie.text_sha1) |
|
87 |
if ie.text_size != None: |
|
88 |
f.write('text_size="%d" ' % ie.text_size) |
|
89 |
f.write('/>\n') |
|
90 |
elif kind == 'directory': |
|
91 |
f.write('>\n') |
|
92 |
||
93 |
l = ie.children.items() |
|
94 |
l.sort() |
|
95 |
for child_name, child_ie in l: |
|
96 |
descend(child_ie) |
|
97 |
||
98 |
f.write('</directory>\n') |
|
99 |
else: |
|
694
by Martin Pool
- weed out all remaining calls to bailout() and remove the function |
100 |
raise BzrError('unknown InventoryEntry kind %r' % kind) |
150
by mbp at sourcefrog
experiment in writing XML by hand, not through ElementTree |
101 |
|
102 |
f.write('<inventory>\n') |
|
191
by mbp at sourcefrog
more XML performance tests |
103 |
f.write('<root_directory id="%s">\n' % escape_attr(inv.root.file_id)) |
150
by mbp at sourcefrog
experiment in writing XML by hand, not through ElementTree |
104 |
|
189
by mbp at sourcefrog
improved new-inventory |
105 |
l = inv.root.children.items() |
150
by mbp at sourcefrog
experiment in writing XML by hand, not through ElementTree |
106 |
l.sort() |
107 |
for entry_name, ie in l: |
|
108 |
descend(ie) |
|
109 |
||
151
by mbp at sourcefrog
experimental nested-inventory load support |
110 |
f.write('</root_directory>\n') |
150
by mbp at sourcefrog
experiment in writing XML by hand, not through ElementTree |
111 |
f.write('</inventory>\n') |
112 |
||
113 |
||
114 |
||
151
by mbp at sourcefrog
experimental nested-inventory load support |
115 |
def read_new_inventory(f): |
116 |
from inventory import Inventory, InventoryEntry |
|
117 |
||
118 |
def descend(parent_ie, el): |
|
119 |
kind = el.tag |
|
120 |
name = el.get('name') |
|
121 |
file_id = el.get('id') |
|
122 |
ie = InventoryEntry(file_id, name, el.tag) |
|
123 |
parent_ie.children[name] = ie |
|
124 |
inv._byid[file_id] = ie |
|
125 |
if kind == 'directory': |
|
126 |
for child_el in el: |
|
127 |
descend(ie, child_el) |
|
128 |
elif kind == 'file': |
|
129 |
assert len(el) == 0 |
|
130 |
ie.text_id = el.get('text_id') |
|
131 |
v = el.get('text_size') |
|
132 |
ie.text_size = v and int(v) |
|
133 |
ie.text_sha1 = el.get('text_sha1') |
|
134 |
else: |
|
694
by Martin Pool
- weed out all remaining calls to bailout() and remove the function |
135 |
raise BzrError("unknown inventory entry %r" % kind) |
151
by mbp at sourcefrog
experimental nested-inventory load support |
136 |
|
137 |
inv_el = ElementTree().parse(f) |
|
138 |
assert inv_el.tag == 'inventory' |
|
139 |
root_el = inv_el[0] |
|
140 |
assert root_el.tag == 'root_directory' |
|
141 |
||
142 |
inv = Inventory() |
|
143 |
for el in root_el: |
|
189
by mbp at sourcefrog
improved new-inventory |
144 |
descend(inv.root, el) |