author | Julien Cristau <julien.cristau@logilab.fr> |
Fri, 20 Feb 2015 16:17:51 +0100 | |
changeset 10317 | b81adb5e32f9 |
parent 10209 | 4c64a41c0a1d |
child 10549 | 5fc21bf2684f |
permissions | -rw-r--r-- |
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# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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# |
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# This file is part of CubicWeb. |
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# |
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# CubicWeb is free software: you can redistribute it and/or modify it under the |
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# terms of the GNU Lesser General Public License as published by the Free |
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# Software Foundation, either version 2.1 of the License, or (at your option) |
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# any later version. |
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# |
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replace logilab-common by CubicWeb in disclaimer
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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# details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License along |
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# with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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[rql2sql] when using HAVING to by-pass rql limitation (not to filter on result of an aggregat function), we should emit SQL that doesn't use HAVING to avoid potential backend error because variables are not grouped. Closes #1061603.
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"""Core hooks: set generic metadata""" |
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__docformat__ = "restructuredtext en" |
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from datetime import datetime |
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[vreg] move base registry implementation to logilab.common. Closes #1916014
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from cubicweb.predicates import is_instance |
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from cubicweb.server import hook |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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from cubicweb.server.edition import EditedEntity |
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class MetaDataHook(hook.Hook): |
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__abstract__ = True |
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category = 'metadata' |
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class InitMetaAttrsHook(MetaDataHook): |
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"""before create a new entity -> set creation and modification date |
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this is a conveniency hook, you shouldn't have to disable it |
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""" |
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__regid__ = 'metaattrsinit' |
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events = ('before_add_entity',) |
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def __call__(self): |
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timestamp = datetime.now() |
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edited = self.entity.cw_edited |
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if not edited.get('creation_date'): |
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edited['creation_date'] = timestamp |
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if not edited.get('modification_date'): |
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edited['modification_date'] = timestamp |
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deprecate get/set_shared_data API
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if not self._cw.transaction_data.get('do-not-insert-cwuri'): |
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[entity, metadata] huuum, use resolvable url as cwuri... And fix existing ones.
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cwuri = u'%s%s' % (self._cw.base_url(), self.entity.eid) |
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edited.setdefault('cwuri', cwuri) |
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class UpdateMetaAttrsHook(MetaDataHook): |
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"""update an entity -> set modification date""" |
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__regid__ = 'metaattrsupdate' |
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events = ('before_update_entity',) |
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def __call__(self): |
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# repairing is true during c-c upgrade/shell and similar commands. We |
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# usually don't want to update modification date in such cases. |
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# |
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# XXX to be really clean, we should turn off modification_date update |
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# explicitly on each command where we do not want that behaviour. |
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if not self._cw.vreg.config.repairing: |
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self.entity.cw_edited.setdefault('modification_date', datetime.now()) |
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class SetCreatorOp(hook.DataOperationMixIn, hook.Operation): |
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def precommit_event(self): |
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cnx = self.cnx |
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relations = [(eid, cnx.user.eid) for eid in self.get_data() |
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# don't consider entities that have been created and deleted in |
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# the same transaction, nor ones where created_by has been |
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# explicitly set |
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if not cnx.deleted_in_transaction(eid) and \ |
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not cnx.entity_from_eid(eid).created_by] |
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cnx.add_relations([('created_by', relations)]) |
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class SetOwnershipHook(MetaDataHook): |
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"""create a new entity -> set owner and creator metadata""" |
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__regid__ = 'setowner' |
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events = ('after_add_entity',) |
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def __call__(self): |
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if not self._cw.is_internal_session: |
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self._cw.add_relation(self.entity.eid, 'owned_by', self._cw.user.eid) |
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SetCreatorOp.get_instance(self._cw).add_data(self.entity.eid) |
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class SyncOwnersOp(hook.DataOperationMixIn, hook.Operation): |
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def precommit_event(self): |
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for compositeeid, composedeid in self.get_data(): |
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96 |
if self.cnx.deleted_in_transaction(compositeeid): |
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97 |
continue |
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98 |
if self.cnx.deleted_in_transaction(composedeid): |
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99 |
continue |
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|
100 |
self.cnx.execute('SET X owned_by U WHERE C owned_by U, C eid %(c)s,' |
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|
101 |
'NOT EXISTS(X owned_by U, X eid %(x)s)', |
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|
102 |
{'c': compositeeid, 'x': composedeid}) |
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|
103 |
|
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|
104 |
|
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|
105 |
class SyncCompositeOwner(MetaDataHook): |
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106 |
"""when adding composite relation, the composed should have the same owners |
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107 |
has the composite |
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108 |
""" |
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|
109 |
__regid__ = 'synccompositeowner' |
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|
110 |
events = ('after_add_relation',) |
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|
111 |
|
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112 |
def __call__(self): |
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113 |
if self.rtype == 'wf_info_for': |
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114 |
# skip this special composite relation # XXX (syt) why? |
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115 |
return |
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116 |
eidfrom, eidto = self.eidfrom, self.eidto |
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117 |
composite = self._cw.rtype_eids_rdef(self.rtype, eidfrom, eidto).composite |
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118 |
if composite == 'subject': |
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|
119 |
SyncOwnersOp.get_instance(self._cw).add_data( (eidfrom, eidto) ) |
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120 |
elif composite == 'object': |
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121 |
SyncOwnersOp.get_instance(self._cw).add_data( (eidto, eidfrom) ) |
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|
122 |
|
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|
123 |
|
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|
124 |
class FixUserOwnershipHook(MetaDataHook): |
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125 |
"""when a user has been created, add owned_by relation on itself""" |
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126 |
__regid__ = 'fixuserowner' |
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[selectors] provide a new, optimized, is_instance selector that should at some point replace implements (along with the adaptable selector)
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|
127 |
__select__ = MetaDataHook.__select__ & is_instance('CWUser') |
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|
128 |
events = ('after_add_entity',) |
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|
129 |
|
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|
130 |
def __call__(self): |
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|
131 |
self._cw.add_relation(self.entity.eid, 'owned_by', self.entity.eid) |
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132 |
|
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|
133 |
|
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|
134 |
class UpdateFTIHook(MetaDataHook): |
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135 |
"""sync fulltext index text index container when a relation with |
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|
136 |
fulltext_container set is added / removed |
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137 |
""" |
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|
138 |
__regid__ = 'updateftirel' |
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|
139 |
events = ('after_add_relation', 'after_delete_relation') |
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|
140 |
|
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|
141 |
def __call__(self): |
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|
142 |
rtype = self.rtype |
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|
143 |
cnx = self._cw |
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|
144 |
ftcontainer = cnx.vreg.schema.rschema(rtype).fulltext_container |
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|
145 |
if ftcontainer == 'subject': |
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|
146 |
cnx.repo.system_source.index_entity( |
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|
147 |
cnx, cnx.entity_from_eid(self.eidfrom)) |
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|
148 |
elif ftcontainer == 'object': |
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|
149 |
cnx.repo.system_source.index_entity( |
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|
150 |
cnx, cnx.entity_from_eid(self.eidto)) |
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|
151 |
|
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|
152 |
|
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|
153 |
|
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|
154 |
# entity source handling ####################################################### |
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|
155 |
|
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diff
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|
156 |
class ChangeEntitySourceUpdateCaches(hook.Operation): |
7879
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[pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
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7708
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|
157 |
oldsource = newsource = entity = None # make pylint happy |
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|
158 |
|
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|
159 |
def postcommit_event(self): |
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|
160 |
self.oldsource.reset_caches() |
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|
161 |
repo = self.cnx.repo |
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|
162 |
entity = self.entity |
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|
163 |
extid = entity.cw_metainformation()['extid'] |
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|
164 |
repo._type_source_cache[entity.eid] = ( |
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032825bbacab
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|
165 |
entity.cw_etype, None, self.newsource.uri) |
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|
166 |
repo._extid_cache[extid] = -entity.eid |
9448
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[multi-sources-removal] Drop the "true" multi-sources planner
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|
167 |
|
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|
168 |
|
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|
169 |
class ChangeEntitySourceDeleteHook(MetaDataHook): |
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|
170 |
"""support for moving an entity from an external source by watching 'Any |
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|
171 |
cw_source CWSource' relation |
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|
172 |
""" |
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|
173 |
|
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|
174 |
__regid__ = 'cw.metadata.source-change' |
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|
175 |
__select__ = MetaDataHook.__select__ & hook.match_rtype('cw_source') |
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176 |
events = ('before_delete_relation',) |
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|
177 |
|
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|
178 |
def __call__(self): |
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|
179 |
if (self._cw.deleted_in_transaction(self.eidfrom) |
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180 |
or self._cw.deleted_in_transaction(self.eidto)): |
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181 |
return |
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182 |
schange = self._cw.transaction_data.setdefault('cw_source_change', {}) |
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|
183 |
schange[self.eidfrom] = self.eidto |
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|
184 |
|
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[ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090
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|
185 |
|
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|
186 |
class ChangeEntitySourceAddHook(MetaDataHook): |
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|
187 |
__regid__ = 'cw.metadata.source-change' |
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188 |
__select__ = MetaDataHook.__select__ & hook.match_rtype('cw_source') |
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|
189 |
events = ('before_add_relation',) |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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190 |
|
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[multi-sources] support for moving an entity from an external source (closes #343818)
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191 |
def __call__(self): |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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192 |
schange = self._cw.transaction_data.get('cw_source_change') |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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parents:
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193 |
if schange is not None and self.eidfrom in schange: |
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[multi-sources] support for moving an entity from an external source (closes #343818)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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194 |
newsource = self._cw.entity_from_eid(self.eidto) |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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parents:
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195 |
if newsource.name != 'system': |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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parents:
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196 |
raise Exception('changing source to something else than the ' |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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parents:
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197 |
'system source is unsupported') |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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parents:
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198 |
syssource = newsource.repo_source |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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parents:
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199 |
oldsource = self._cw.entity_from_eid(schange[self.eidfrom]) |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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parents:
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200 |
entity = self._cw.entity_from_eid(self.eidfrom) |
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[multi-sources] support for moving an entity from an external source (closes #343818)
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parents:
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201 |
# we don't want the moved entity to be reimported later. To |
10209
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Use a moved_entities table to record external entities moved to the system source
Julien Cristau <julien.cristau@logilab.fr>
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202 |
# distinguish this state, move the record from the 'entities' table |
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parents:
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203 |
# to 'moved_entities'. External source will then have consider |
4c64a41c0a1d
Use a moved_entities table to record external entities moved to the system source
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parents:
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204 |
# case where `extid2eid` returns a negative eid as 'this entity was |
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205 |
# known but has been moved, ignore it'. |
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206 |
attrs = {'eid': entity.eid, 'extid': self._cw.entity_metas(entity.eid)['extid']} |
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207 |
self._cw.system_sql(syssource.sqlgen.insert('moved_entities', attrs), attrs) |
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use cw_etype instead of __regid__
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208 |
attrs = {'type': entity.cw_etype, 'eid': entity.eid, 'extid': None, |
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032825bbacab
[multi-sources-removal] Drop entities.source column
Sylvain Thénault <sylvain.thenault@logilab.fr>
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209 |
'asource': 'system'} |
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parents:
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210 |
self._cw.system_sql(syssource.sqlgen.update('entities', attrs, ['eid']), attrs) |
7399
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[multi-sources] support for moving an entity from an external source (closes #343818)
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parents:
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211 |
# register an operation to update repository/sources caches |
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212 |
ChangeEntitySourceUpdateCaches(self._cw, entity=entity, |
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213 |
oldsource=oldsource.repo_source, |
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214 |
newsource=syssource) |