File: update_db.py

package info (click to toggle)
vistrails 2.1.1-1
  • links: PTS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 74,208 kB
  • ctags: 46,250
  • sloc: python: 316,267; xml: 52,512; sql: 3,627; php: 731; sh: 260; makefile: 108
file content (115 lines) | stat: -rw-r--r-- 5,043 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
###############################################################################
##
## Copyright (C) 2011-2014, NYU-Poly.
## Copyright (C) 2006-2011, University of Utah. 
## All rights reserved.
## Contact: contact@vistrails.org
##
## This file is part of VisTrails.
##
## "Redistribution and use in source and binary forms, with or without 
## modification, are permitted provided that the following conditions are met:
##
##  - Redistributions of source code must retain the above copyright notice, 
##    this list of conditions and the following disclaimer.
##  - Redistributions in binary form must reproduce the above copyright 
##    notice, this list of conditions and the following disclaimer in the 
##    documentation and/or other materials provided with the distribution.
##  - Neither the name of the University of Utah nor the names of its 
##    contributors may be used to endorse or promote products derived from 
##    this software without specific prior written permission.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
## AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
## THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
## PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
## EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
## PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
## OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
## WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
## OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
## ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
##
###############################################################################

import os
import sys
import tempfile
sys.path.append(os.path.join(os.path.dirname(os.path.dirname(
                os.path.abspath(__file__))), 'vistrails'))
from vistrails.db.services import io
from vistrails.db.versions import currentVersion
from db_utils import parse_db_cmd_line

# DO NOT RUN THIS WHILE USERS HAVE ACCESS TO THE DATABASE!
def update_db(config, new_version=None, tmp_dir=None, restore=False):
    obj_types = {'vistrail': io.open_bundle_from_db,
                 # 'workflow': io.open_from_db, 
                 # 'log': io.open_from_db,
                 # 'registry': io.open_from_db
                 }
    if new_version is None:
        new_version = currentVersion
    if tmp_dir is None:
        tmp_dir = tempfile.mkdtemp(prefix='vt_db')
        print 'creating tmpdir:', tmp_dir

    db_connection = io.open_db_connection(config)
    obj_id_lists = {}
    filenames = []
    if restore:
        for dirpath, dirname, files in os.walk(restore):
            for fname in files:
                if fname.endswith('.vt'):
                    filenames.append(os.path.join(restore, fname))
    else:
        for obj_type in obj_types:
            obj_id_lists[obj_type] = io.get_db_object_list(config, obj_type)

        # read data out of database
        thumbnail_dir = os.path.join(tmp_dir, 'thumbs')
        os.mkdir(thumbnail_dir)
        for obj_type, obj_ids in obj_id_lists.iteritems():
            for (obj_id, _, _) in obj_ids:
                old_version = io.get_db_object_version(db_connection, obj_id, 
                                                       'vistrail')

                print 'getting', obj_type, 'id', obj_id
                local_tmp_dir = os.path.join(tmp_dir, str(obj_id))
                vt_name = os.path.join(tmp_dir, str(obj_id) + '.vt')
                filenames.append(vt_name)
                os.mkdir(local_tmp_dir)
                res = obj_types[obj_type](obj_type, db_connection, obj_id,
                                          thumbnail_dir)
                io.save_vistrail_bundle_to_zip_xml(res, vt_name, local_tmp_dir)

        # drop the old database
        # recreate with the new version of the specs
        io.setup_db_tables(db_connection, None, old_version)

    # add the new data back
    for filename in filenames:
        (res, _) = io.open_vistrail_bundle_from_zip_xml(filename)
        try:
            io.save_vistrail_bundle_to_db(res, db_connection, 'with_ids')
        except Exception, e:
            import traceback
            print filename, e, traceback.format_exc()
    io.close_db_connection(db_connection)

if __name__ == '__main__':
    import vistrails.core.application

    more_options = {'v:': ('set new schema version', False, 'version'),
                    'd:': ('set temporary directory', False, 'directory'),
                    'e:': ('restore from directory', False, 'restore')
                    }
    config, options = parse_db_cmd_line(sys.argv, more_options)
    new_version = None
    if options['v']:
        new_version = options['v']

    vistrails.core.application.init()

    update_db(config, new_version, options['d'], options['e'])