forked from etalab/etalab-ckan-scripts
-
Notifications
You must be signed in to change notification settings - Fork 0
/
purge_deleted_objects.py
executable file
·194 lines (156 loc) · 6.89 KB
/
purge_deleted_objects.py
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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Etalab-CKAN-Scripts -- Various scripts that handle Etalab datasets in CKAN repository
# By: Emmanuel Raviart <emmanuel@raviart.com>
#
# Copyright (C) 2013 Etalab
# http://github.com/etalab/etalab-ckan-scripts
#
# This file is part of Etalab-CKAN-Scripts.
#
# Etalab-CKAN-Scripts is free software; you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# Etalab-CKAN-Scripts 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Purge datasets already deleted in CKAN."""
import argparse
import logging
import os
import sys
from ckan import model, plugins
if not hasattr(model, 'PackageRelationshipRevision'):
# Monkey patch: Add missing class to model.
from ckan.model import package_relationship
model.PackageRelationshipRevision = package_relationship.PackageRelationshipRevision
from ckan.config.environment import load_environment
from ckanext.etalab import model as etalab_model
from paste.deploy import appconfig
from paste.registry import Registry
import pylons
import sqlalchemy as sa
import sqlalchemy.exc
app_name = os.path.splitext(os.path.basename(__file__))[0]
log = logging.getLogger(app_name)
class MockTranslator(object):
def gettext(self, value):
return value
def ugettext(self, value):
return value
def ungettext(self, singular, plural, n):
if n > 1:
return plural
return singular
def main():
parser = argparse.ArgumentParser(description = __doc__)
parser.add_argument('config', help = 'path of configuration file')
parser.add_argument('-v', '--verbose', action = 'store_true', help = 'increase output verbosity')
args = parser.parse_args()
# logging.basicConfig(level = logging.DEBUG if args.verbose else logging.WARNING, stream = sys.stdout)
logging.basicConfig(level = logging.INFO if args.verbose else logging.WARNING, stream = sys.stdout)
site_conf = appconfig('config:{}'.format(os.path.abspath(args.config)))
load_environment(site_conf.global_conf, site_conf.local_conf)
registry = Registry()
registry.prepare()
registry.register(pylons.translator, MockTranslator())
plugins.load('synchronous_search')
# Purge groups & organizations.
bad_groups_name = []
while True:
model.repo.new_revision()
group = model.Session.query(model.Group).filter(
model.Group.state == 'deleted',
sa.not_(model.Group.name.in_(bad_groups_name)) if bad_groups_name else None,
).first()
if group is None:
break
name = group.name
title = group.title
model.Session.query(etalab_model.CertifiedPublicService).filter(
etalab_model.CertifiedPublicService.organization_id == group.id,
).delete()
group.purge()
log.info(u'Purged group {} - {}'.format(name, title))
try:
model.repo.commit_and_remove()
except sqlalchemy.exc.IntegrityError:
log.exception(u'An integrity error while purging {} - {}'.format(name, title))
bad_groups_name.append(name)
# Purge packages.
bad_packages_name = []
while True:
model.repo.new_revision()
package = model.Session.query(model.Package).filter(
model.Package.state == 'deleted',
sa.not_(model.Package.name.in_(bad_packages_name)) if bad_packages_name else None,
).first()
if package is None:
break
name = package.name
title = package.title
# Delete resource_revision before purging package, to avoid IntegrityError: update or delete on table
# "resource_group" violates foreign key constraint "resource_revision_resource_group_id_fkey" on table
# "resource_revision".
for resource_group in model.Session.query(model.ResourceGroup).filter(
model.ResourceGroup.package_id == package.id,
):
for resource_revision in model.Session.query(model.ResourceRevision).filter(
model.ResourceRevision.resource_group_id == resource_group.id,
):
model.Session.delete(resource_revision)
# Delete package_relationship_revision before purging package, to avoid IntegrityError: update or
# delete on table "package" violates foreign key constraint
# "package_relationship_revision_subject_package_id_fkey" on table "package_relationship_revision".
for package_relationship_revision in model.Session.query(model.PackageRelationshipRevision).filter(
model.PackageRelationshipRevision.subject_package_id == package.id,
):
model.Session.delete(package_relationship_revision)
for package_relationship_revision in model.Session.query(model.PackageRelationshipRevision).filter(
model.PackageRelationshipRevision.object_package_id == package.id,
):
model.Session.delete(package_relationship_revision)
package.purge()
log.info(u'Purged package {} - {}'.format(name, title))
try:
model.repo.commit_and_remove()
except sqlalchemy.exc.IntegrityError:
log.exception(u'An integrity error while purging {} - {}'.format(name, title))
bad_packages_name.append(name)
# Purge resources.
bad_resources_id = []
while True:
model.repo.new_revision()
resource = model.Session.query(model.Resource).filter(
model.Resource.state == 'deleted',
sa.not_(model.Resource.id.in_(bad_resources_id)) if bad_resources_id else None,
).first()
if resource is None:
break
id = resource.id
name = resource.name
resource.purge()
log.info(u'Purged resource {} - {}'.format(id, name))
try:
model.repo.commit_and_remove()
except sqlalchemy.exc.IntegrityError:
log.exception(u'An integrity error while purging {} - {}'.format(id, name))
bad_resources_id.append(id)
# Delete unused tags.
for tag in model.Session.query(model.Tag):
package_tag = model.Session.query(model.PackageTag).filter(
model.PackageTag.tag_id == tag.id,
).first()
if package_tag is None:
model.Session.delete(tag)
log.info(u'Deleted unused tag {}'.format(tag.name))
model.Session.commit()
return 0
if __name__ == '__main__':
sys.exit(main())