author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Mon, 21 Dec 2009 20:25:58 +0100 | |
changeset 4167 | 73e649a7797d |
parent 4107 | 1f256b896b1d |
child 4223 | 4fb00ccad3df |
permissions | -rw-r--r-- |
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"""Server subcube of cubicweb : defines objects used only on the server |
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(repository) side |
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This module contains functions to initialize a new repository. |
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:organization: Logilab |
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:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
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""" |
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__docformat__ = "restructuredtext en" |
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import sys |
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from os.path import join, exists |
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from glob import glob |
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from logilab.common.modutils import LazyObject |
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from logilab.common.textutils import splitstrip |
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from yams import BASE_GROUPS |
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from cubicweb import CW_SOFTWARE_ROOT |
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# server-side debugging ######################################################### |
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# server debugging flags. They may be combined using binary operators. |
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DBG_MS flag
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DBG_NONE = 0 # no debug information |
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DBG_RQL = 1 # rql execution information |
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DBG_SQL = 2 # executed sql |
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DBG_REPO = 4 # repository events |
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DBG_MS = 8 # multi-sources |
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DBG_MORE = 16 # more verbosity |
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# current debug mode |
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DEBUG = 0 |
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def set_debug(debugmode): |
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"""change the repository debugging mode""" |
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global DEBUG |
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if not debugmode: |
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DEBUG = 0 |
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return |
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if isinstance(debugmode, basestring): |
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for mode in splitstrip(debugmode, sep='|'): |
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DEBUG |= globals()[mode] |
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else: |
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DEBUG |= debugmode |
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class debugged(object): |
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"""repository debugging context manager / decorator |
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Can be used either as a context manager: |
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>>> with debugged(server.DBG_RQL | server.DBG_REPO): |
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... # some code in which you want to debug repository activity, |
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... # seing information about RQL being executed an repository events. |
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or as a function decorator: |
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>>> @debugged(server.DBG_RQL | server.DBG_REPO) |
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... def some_function(): |
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... # some code in which you want to debug repository activity, |
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... # seing information about RQL being executed an repository events |
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debug mode will be reseted at its original value when leaving the "with" |
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block or the decorated function |
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""" |
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def __init__(self, debugmode): |
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self.debugmode = debugmode |
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self._clevel = None |
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def __enter__(self): |
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"""enter with block""" |
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self._clevel = DEBUG |
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set_debug(self.debugmode) |
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def __exit__(self, exctype, exc, traceback): |
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"""leave with block""" |
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set_debug(self._clevel) |
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return traceback is None |
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def __call__(self, func): |
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"""decorate function""" |
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def wrapped(*args, **kwargs): |
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_clevel = DEBUG |
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set_debug(self.debugmode) |
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try: |
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return func(*args, **kwargs) |
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finally: |
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set_debug(self._clevel) |
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return wrapped |
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# database initialization ###################################################### |
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def init_repository(config, interactive=True, drop=False, vreg=None): |
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"""initialise a repository database by creating tables add filling them |
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with the minimal set of entities (ie at least the schema, base groups and |
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a initial user) |
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""" |
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from cubicweb.dbapi import in_memory_cnx |
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from cubicweb.server.repository import Repository |
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from cubicweb.server.utils import manager_userpasswd |
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from cubicweb.server.sqlutils import sqlexec, sqlschema, sqldropschema |
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# configuration to avoid db schema loading and user'state checking |
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# on connection |
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read_instance_schema = config.read_instance_schema |
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bootstrap_schema = config.bootstrap_schema |
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config.read_instance_schema = False |
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config.creating = True |
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config.bootstrap_schema = True |
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config.consider_user_state = False |
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config.set_language = False |
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# only enable the system source at initialization time + admin which is not |
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# an actual source but contains initial manager account information |
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config.enabled_sources = ('system', 'admin') |
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repo = Repository(config, vreg=vreg) |
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assert len(repo.sources) == 1, repo.sources |
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schema = repo.schema |
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sourcescfg = config.sources() |
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_title = '-> creating tables ' |
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print _title, |
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source = sourcescfg['system'] |
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driver = source['db-driver'] |
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sqlcnx = repo.system_source.get_connection() |
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sqlcursor = sqlcnx.cursor() |
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execute = sqlcursor.execute |
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if drop: |
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dropsql = sqldropschema(schema, driver) |
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try: |
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sqlexec(dropsql, execute) |
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except Exception, ex: |
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print '-> drop failed, skipped (%s).' % ex |
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sqlcnx.rollback() |
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# schema entities and relations tables |
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# can't skip entities table even if system source doesn't support them, |
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# they are used sometimes by generated sql. Keeping them empty is much |
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# simpler than fixing this... |
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if sqlcnx.logged_user != source['db-user']: |
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schemasql = sqlschema(schema, driver, user=source['db-user']) |
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else: |
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schemasql = sqlschema(schema, driver) |
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143 |
#skip_entities=[str(e) for e in schema.entities() |
|
144 |
# if not repo.system_source.support_entity(str(e))]) |
|
2396
8bfb99d7bbcc
[cw-ctl] improve dialog messages
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
2395
diff
changeset
|
145 |
sqlexec(schemasql, execute, pbtitle=_title) |
0 | 146 |
sqlcursor.close() |
147 |
sqlcnx.commit() |
|
148 |
sqlcnx.close() |
|
149 |
session = repo.internal_session() |
|
150 |
try: |
|
151 |
login = unicode(sourcescfg['admin']['login']) |
|
152 |
pwd = sourcescfg['admin']['password'] |
|
153 |
except KeyError: |
|
154 |
if interactive: |
|
155 |
msg = 'enter login and password of the initial manager account' |
|
156 |
login, pwd = manager_userpasswd(msg=msg, confirm=True) |
|
157 |
else: |
|
158 |
login, pwd = unicode(source['db-user']), source['db-password'] |
|
2394
92bba46b853f
[cw-ctl] improve dialog messages
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
2306
diff
changeset
|
159 |
print '-> inserting default user and default groups.' |
2595
e76bf303c6f2
[F server test] sort for test predictability
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2593
diff
changeset
|
160 |
# sort for eid predicatability as expected in some server tests |
e76bf303c6f2
[F server test] sort for test predictability
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2593
diff
changeset
|
161 |
for group in sorted(BASE_GROUPS): |
2631 | 162 |
session.execute('INSERT CWGroup X: X name %(name)s', |
163 |
{'name': unicode(group)}) |
|
164 |
session.execute('INSERT CWUser X: X login %(login)s, X upassword %(pwd)s', |
|
165 |
{'login': login, 'pwd': pwd}) |
|
0 | 166 |
session.execute('SET U in_group G WHERE G name "managers"') |
167 |
session.commit() |
|
168 |
# reloging using the admin user |
|
169 |
config._cubes = None # avoid assertion error |
|
3647
2941f4a0aab9
refactor repo authentication to allow pluggable authentifier to login with something else than a password
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3530
diff
changeset
|
170 |
repo, cnx = in_memory_cnx(config, login, password=pwd) |
3699
20ba545e00e1
initialize entity classes in repository initialization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3530
diff
changeset
|
171 |
# trigger vreg initialisation of entity classes |
20ba545e00e1
initialize entity classes in repository initialization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3530
diff
changeset
|
172 |
config.cubicweb_appobject_path = set(('entities',)) |
20ba545e00e1
initialize entity classes in repository initialization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3530
diff
changeset
|
173 |
config.cube_appobject_path = set(('entities',)) |
20ba545e00e1
initialize entity classes in repository initialization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3530
diff
changeset
|
174 |
repo.vreg.set_schema(repo.schema) |
0 | 175 |
assert len(repo.sources) == 1, repo.sources |
176 |
handler = config.migration_handler(schema, interactive=False, |
|
177 |
cnx=cnx, repo=repo) |
|
3903
7967d3766ecf
fix #544758 by calling custom sql scripts in add_cubes.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3823
diff
changeset
|
178 |
# install additional driver specific sql files |
7967d3766ecf
fix #544758 by calling custom sql scripts in add_cubes.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3823
diff
changeset
|
179 |
handler.install_custom_sql_scripts(join(CW_SOFTWARE_ROOT, 'schemas'), driver) |
7967d3766ecf
fix #544758 by calling custom sql scripts in add_cubes.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3823
diff
changeset
|
180 |
for directory in reversed(config.cubes_path()): |
7967d3766ecf
fix #544758 by calling custom sql scripts in add_cubes.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3823
diff
changeset
|
181 |
handler.install_custom_sql_scripts(join(directory, 'schema'), driver) |
0 | 182 |
initialize_schema(config, schema, handler) |
183 |
# yoo ! |
|
184 |
cnx.commit() |
|
185 |
config.enabled_sources = None |
|
186 |
for uri, source_config in config.sources().items(): |
|
187 |
if uri in ('admin', 'system'): |
|
188 |
# not an actual source or init_creating already called |
|
189 |
continue |
|
190 |
source = repo.get_source(uri, source_config) |
|
191 |
source.init_creating() |
|
192 |
cnx.commit() |
|
193 |
cnx.close() |
|
194 |
session.close() |
|
195 |
# restore initial configuration |
|
196 |
config.creating = False |
|
2476
1294a6bdf3bf
application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2458
diff
changeset
|
197 |
config.read_instance_schema = read_instance_schema |
0 | 198 |
config.bootstrap_schema = bootstrap_schema |
199 |
config.consider_user_state = True |
|
200 |
config.set_language = True |
|
2476
1294a6bdf3bf
application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2458
diff
changeset
|
201 |
print '-> database for instance %s initialized.' % config.appid |
0 | 202 |
|
203 |
||
204 |
def initialize_schema(config, schema, mhandler, event='create'): |
|
205 |
from cubicweb.server.schemaserial import serialize_schema |
|
4107
1f256b896b1d
disable everything but metadata hooks while inserting schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3998
diff
changeset
|
206 |
# deactivate every hooks but those responsible to set metadata |
1f256b896b1d
disable everything but metadata hooks while inserting schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3998
diff
changeset
|
207 |
# so, NO INTEGRITY CHECKS are done, to have quicker db creation |
1f256b896b1d
disable everything but metadata hooks while inserting schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3998
diff
changeset
|
208 |
oldmode = config.set_hooks_mode(config.DENY_ALL) |
1f256b896b1d
disable everything but metadata hooks while inserting schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3998
diff
changeset
|
209 |
changes = config.enable_hook_category('metadata') |
0 | 210 |
paths = [p for p in config.cubes_path() + [config.apphome] |
211 |
if exists(join(p, 'migration'))] |
|
212 |
# execute cubicweb's pre<event> script |
|
213 |
mhandler.exec_event_script('pre%s' % event) |
|
214 |
# execute cubes pre<event> script if any |
|
215 |
for path in reversed(paths): |
|
216 |
mhandler.exec_event_script('pre%s' % event, path) |
|
2476
1294a6bdf3bf
application -> instance where it makes sense
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2458
diff
changeset
|
217 |
# enter instance'schema into the database |
2907
e222fac3cca3
we have to ensure a pool is set there
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2903
diff
changeset
|
218 |
mhandler.session.set_pool() |
2903
043c8fcb3819
[migration] drop rqlcursor
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2766
diff
changeset
|
219 |
serialize_schema(mhandler.session, schema) |
0 | 220 |
# execute cubicweb's post<event> script |
221 |
mhandler.exec_event_script('post%s' % event) |
|
222 |
# execute cubes'post<event> script if any |
|
223 |
for path in reversed(paths): |
|
224 |
mhandler.exec_event_script('post%s' % event, path) |
|
4107
1f256b896b1d
disable everything but metadata hooks while inserting schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3998
diff
changeset
|
225 |
# restore hooks config |
1f256b896b1d
disable everything but metadata hooks while inserting schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3998
diff
changeset
|
226 |
if changes: |
1f256b896b1d
disable everything but metadata hooks while inserting schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3998
diff
changeset
|
227 |
config.disable_hook_category(changes) |
1f256b896b1d
disable everything but metadata hooks while inserting schema
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3998
diff
changeset
|
228 |
config.set_hooks_mode(oldmode) |
0 | 229 |
|
230 |
||
231 |
# sqlite'stored procedures have to be registered at connexion opening time |
|
232 |
SQL_CONNECT_HOOKS = {} |
|
233 |
||
234 |
# add to this set relations which should have their add security checking done |
|
235 |
# *BEFORE* adding the actual relation (done after by default) |
|
236 |
BEFORE_ADD_RELATIONS = set(('owned_by',)) |
|
237 |
||
238 |
# add to this set relations which should have their add security checking done |
|
239 |
# *at COMMIT TIME* (done after by default) |
|
240 |
ON_COMMIT_ADD_RELATIONS = set(()) |
|
241 |
||
242 |
# available sources registry |
|
243 |
SOURCE_TYPES = {'native': LazyObject('cubicweb.server.sources.native', 'NativeSQLSource'), |
|
244 |
# XXX private sources installed by an external cube |
|
245 |
'pyrorql': LazyObject('cubicweb.server.sources.pyrorql', 'PyroRQLSource'), |
|
246 |
'ldapuser': LazyObject('cubicweb.server.sources.ldapuser', 'LDAPUserSource'), |
|
247 |
} |