author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Tue, 20 Apr 2010 09:11:34 +0200 | |
changeset 5331 | f7ee75da6102 |
parent 4835 | 13b0b96d7982 |
child 5379 | c082dea0731b |
child 5421 | 8167de96c523 |
permissions | -rw-r--r-- |
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"""functions for schema / permissions (de)serialization using RQL |
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:organization: Logilab |
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update copyright: welcome 2010
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:copyright: 2001-2010 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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big bunch of copyright / docstring update
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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 os |
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from itertools import chain |
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from logilab.common.shellutils import ProgressBar |
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from yams import schema as schemamod, buildobjs as ybo |
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[R repo, schema] use VIRTUAL_RTYPES const
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from cubicweb.schema import CONSTRAINTS, ETYPE_NAME_MAP, VIRTUAL_RTYPES |
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from cubicweb.server import sqlutils |
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def group_mapping(cursor, interactive=True): |
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"""create a group mapping from an rql cursor |
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A group mapping has standard group names as key (managers, owners at least) |
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and the actual CWGroup entity's eid as associated value. |
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In interactive mode (the default), missing groups'eid will be prompted |
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from the user. |
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""" |
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res = {} |
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for eid, name in cursor.execute('Any G, N WHERE G is CWGroup, G name N', |
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build_descr=False): |
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res[name] = eid |
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if not interactive: |
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return res |
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missing = [g for g in ('owners', 'managers', 'users', 'guests') if not g in res] |
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if missing: |
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print 'some native groups are missing but the following groups have been found:' |
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print '\n'.join('* %s (%s)' % (n, eid) for n, eid in res.items()) |
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print |
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print 'enter the eid of a to group to map to each missing native group' |
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print 'or just type enter to skip permissions granted to a group' |
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for group in missing: |
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while True: |
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value = raw_input('eid for group %s: ' % group).strip() |
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if not value: |
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continue |
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try: |
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res[group] = int(value) |
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except ValueError: |
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print 'eid should be an integer' |
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continue |
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return res |
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def cstrtype_mapping(cursor): |
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"""cached constraint types mapping""" |
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return dict(cursor.execute('Any T, X WHERE X is CWConstraintType, X name T')) |
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# schema / perms deserialization ############################################## |
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def deserialize_schema(schema, session): |
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"""return a schema according to information stored in an rql database |
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as CWRType and CWEType entities |
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""" |
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repo = session.repo |
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dbhelper = repo.system_source.dbhelper |
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# 3.6 migration |
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sqlcu = session.pool['system'] |
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sqlcu.execute("SELECT * FROM cw_CWRType WHERE cw_name='symetric'") |
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if sqlcu.fetchall(): |
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sql = dbhelper.sql_rename_col('cw_CWRType', 'cw_symetric', 'cw_symmetric', |
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dbhelper.TYPE_MAPPING['Boolean'], True) |
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sqlcu.execute(sql) |
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sqlcu.execute("UPDATE cw_CWRType SET cw_name='symmetric' WHERE cw_name='symetric'") |
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sidx = {} |
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permsdict = deserialize_ertype_permissions(session) |
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schema.reading_from_database = True |
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for eid, etype, desc in session.execute( |
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'Any X, N, D WHERE X is CWEType, X name N, X description D', |
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build_descr=False): |
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# base types are already in the schema, skip them |
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if etype in schemamod.BASE_TYPES: |
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# just set the eid |
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eschema = schema.eschema(etype) |
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eschema.eid = eid |
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sidx[eid] = eschema |
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continue |
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if etype in ETYPE_NAME_MAP: |
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netype = ETYPE_NAME_MAP[etype] |
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# can't use write rql queries at this point, use raw sql |
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session.system_sql('UPDATE %(p)sCWEType SET %(p)sname=%%(n)s WHERE %(p)seid=%%(x)s' |
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% {'p': sqlutils.SQL_PREFIX}, |
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{'x': eid, 'n': netype}) |
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session.system_sql('UPDATE entities SET type=%(n)s WHERE type=%(x)s', |
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{'x': etype, 'n': netype}) |
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session.commit(False) |
95 |
try: |
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session.system_sql('UPDATE deleted_entities SET type=%(n)s WHERE type=%(x)s', |
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{'x': etype, 'n': netype}) |
0 | 98 |
except: |
99 |
pass |
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tocleanup = [eid] |
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tocleanup += (eid for eid, (eidetype, uri, extid) in repo._type_source_cache.items() |
0 | 102 |
if etype == eidetype) |
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repo.clear_caches(tocleanup) |
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session.commit(False) |
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etype = netype |
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etype = ybo.EntityType(name=etype, description=desc, eid=eid) |
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eschema = schema.add_entity_type(etype) |
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sidx[eid] = eschema |
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set_perms(eschema, permsdict) |
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for etype, stype in session.execute( |
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'Any XN, ETN WHERE X is CWEType, X name XN, X specializes ET, ET name ETN', |
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112 |
build_descr=False): |
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113 |
schema.eschema(etype)._specialized_type = stype |
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114 |
schema.eschema(stype)._specialized_by.append(etype) |
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|
115 |
for eid, rtype, desc, sym, il, ftc in session.execute( |
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116 |
'Any X,N,D,S,I,FTC WHERE X is CWRType, X name N, X description D, ' |
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parents:
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117 |
'X symmetric S, X inlined I, X fulltext_container FTC', build_descr=False): |
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118 |
rtype = ybo.RelationType(name=rtype, description=desc, |
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parents:
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|
119 |
symmetric=bool(sym), inlined=bool(il), |
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parents:
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|
120 |
fulltext_container=ftc, eid=eid) |
0 | 121 |
rschema = schema.add_relation_type(rtype) |
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parents:
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|
122 |
sidx[eid] = rschema |
0 | 123 |
cstrsdict = deserialize_rdef_constraints(session) |
124 |
for values in session.execute( |
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diff
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|
125 |
'Any X,SE,RT,OE,CARD,ORD,DESC,IDX,FTIDX,I18N,DFLT WHERE X is CWAttribute,' |
0 | 126 |
'X relation_type RT, X cardinality CARD, X ordernum ORD, X indexed IDX,' |
127 |
'X description DESC, X internationalizable I18N, X defaultval DFLT,' |
|
128 |
'X fulltextindexed FTIDX, X from_entity SE, X to_entity OE', |
|
129 |
build_descr=False): |
|
130 |
rdefeid, seid, reid, teid, card, ord, desc, idx, ftidx, i18n, default = values |
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131 |
rdef = ybo.RelationDefinition(sidx[seid].type, sidx[reid].type, sidx[teid].type, |
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132 |
cardinality=card, |
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133 |
constraints=cstrsdict.get(rdefeid, ()), |
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134 |
order=ord, description=desc, |
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135 |
indexed=idx, fulltextindexed=ftidx, |
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|
136 |
internationalizable=i18n, |
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|
137 |
default=default, eid=rdefeid) |
4003
b9436fe77c9e
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Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
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changeset
|
138 |
rdefs = schema.add_relation_def(rdef) |
4467
0e73d299730a
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4312
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|
139 |
# rdefs can be None on duplicated relation definitions (e.g. symmetrics) |
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|
140 |
if rdefs is not None: |
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|
141 |
set_perms(rdefs, permsdict) |
0 | 142 |
for values in session.execute( |
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diff
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|
143 |
'Any X,SE,RT,OE,CARD,ORD,DESC,C WHERE X is CWRelation, X relation_type RT,' |
0 | 144 |
'X cardinality CARD, X ordernum ORD, X description DESC, ' |
145 |
'X from_entity SE, X to_entity OE, X composite C', build_descr=False): |
|
146 |
rdefeid, seid, reid, teid, card, ord, desc, c = values |
|
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147 |
rdef = ybo.RelationDefinition(sidx[seid].type, sidx[reid].type, sidx[teid].type, |
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148 |
constraints=cstrsdict.get(rdefeid, ()), |
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149 |
cardinality=card, order=ord, description=desc, |
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150 |
composite=c, eid=rdefeid) |
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Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
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diff
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|
151 |
rdefs = schema.add_relation_def(rdef) |
4467
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4312
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|
152 |
# rdefs can be None on duplicated relation definitions (e.g. symmetrics) |
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153 |
if rdefs is not None: |
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154 |
set_perms(rdefs, permsdict) |
0 | 155 |
schema.infer_specialization_rules() |
156 |
session.commit() |
|
157 |
schema.reading_from_database = False |
|
158 |
||
159 |
||
160 |
def deserialize_ertype_permissions(session): |
|
161 |
"""return sect action:groups associations for the given |
|
162 |
entity or relation schema with its eid, according to schema's |
|
163 |
permissions stored in the database as [read|add|delete|update]_permission |
|
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164 |
relations between CWEType/CWRType and CWGroup entities |
0 | 165 |
""" |
166 |
res = {} |
|
167 |
for action in ('read', 'add', 'update', 'delete'): |
|
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rql = 'Any E,N WHERE G is CWGroup, G name N, E %s_permission G' % action |
0 | 169 |
for eid, gname in session.execute(rql, build_descr=False): |
170 |
res.setdefault(eid, {}).setdefault(action, []).append(gname) |
|
171 |
rql = ('Any E,X,EXPR,V WHERE X is RQLExpression, X expression EXPR, ' |
|
172 |
'E %s_permission X, X mainvars V' % action) |
|
173 |
for eid, expreid, expr, mainvars in session.execute(rql, build_descr=False): |
|
174 |
# we don't know yet if it's a rql expr for an entity or a relation, |
|
175 |
# so append a tuple to differentiate from groups and so we'll be |
|
176 |
# able to instantiate it later |
|
177 |
res.setdefault(eid, {}).setdefault(action, []).append( (expr, mainvars, expreid) ) |
|
178 |
return res |
|
179 |
||
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180 |
def deserialize_rdef_constraints(session): |
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181 |
"""return the list of relation definition's constraints as instances""" |
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182 |
res = {} |
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|
183 |
for rdefeid, ceid, ct, val in session.execute( |
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|
184 |
'Any E, X,TN,V WHERE E constrained_by X, X is CWConstraint, ' |
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|
185 |
'X cstrtype T, T name TN, X value V', build_descr=False): |
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|
186 |
cstr = CONSTRAINTS[ct].deserialize(val) |
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|
187 |
cstr.eid = ceid |
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|
188 |
res.setdefault(rdefeid, []).append(cstr) |
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|
189 |
return res |
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190 |
|
0 | 191 |
def set_perms(erschema, permsdict): |
192 |
"""set permissions on the given erschema according to the permission |
|
193 |
definition dictionary as built by deserialize_ertype_permissions for a |
|
194 |
given erschema's eid |
|
195 |
""" |
|
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196 |
# reset erschema permissions here to avoid getting yams default anyway |
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197 |
erschema.permissions = dict((action, ()) for action in erschema.ACTIONS) |
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|
198 |
try: |
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|
199 |
thispermsdict = permsdict[erschema.eid] |
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|
200 |
except KeyError: |
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|
201 |
return |
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|
202 |
for action, somethings in thispermsdict.iteritems(): |
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|
203 |
# XXX cw < 3.6.1 bw compat |
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|
204 |
if isinstance(erschema, schemamod.RelationDefinitionSchema) and erschema.final and action == 'add': |
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|
205 |
action = 'update' |
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|
206 |
erschema.permissions[action] = tuple( |
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|
207 |
isinstance(p, tuple) and erschema.rql_expression(*p) or p |
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|
208 |
for p in somethings) |
0 | 209 |
|
210 |
||
211 |
# schema / perms serialization ################################################ |
|
212 |
||
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|
213 |
def serialize_schema(cursor, schema): |
0 | 214 |
"""synchronize schema and permissions in the database according to |
215 |
current schema |
|
216 |
""" |
|
3737 | 217 |
quiet = os.environ.get('APYCOT_ROOT') |
3723
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|
218 |
if not quiet: |
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|
219 |
_title = '-> storing the schema in the database ' |
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|
220 |
print _title, |
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[repo] enhanced security handling: deprecates unsafe_execute, in favor of explicit read/write security control using the `enabled_security` context manager. Also code executed on the repository side is now unsafe by default.
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|
221 |
execute = cursor.execute |
0 | 222 |
eschemas = schema.entities() |
4760
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|
223 |
if not quiet: |
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|
224 |
pb_size = (len(eschemas + schema.relations()) |
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|
225 |
+ len(CONSTRAINTS) |
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|
226 |
+ len([x for x in eschemas if x.specializes()])) |
2396
8bfb99d7bbcc
[cw-ctl] improve dialog messages
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
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diff
changeset
|
227 |
pb = ProgressBar(pb_size, title=_title) |
3857
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ensure pb is not None
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|
228 |
else: |
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|
229 |
pb = None |
4800
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nicer explanation
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diff
changeset
|
230 |
groupmap = group_mapping(cursor, interactive=False) |
686419cd2dff
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4799
diff
changeset
|
231 |
# serialize all entity types, assuring CWEType is serialized first for proper |
686419cd2dff
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4799
diff
changeset
|
232 |
# is / is_instance_of insertion |
4760
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|
233 |
eschemas.remove(schema.eschema('CWEType')) |
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parents:
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changeset
|
234 |
eschemas.insert(0, schema.eschema('CWEType')) |
fe0e307b9b70
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|
235 |
for eschema in eschemas: |
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parents:
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changeset
|
236 |
execschemarql(execute, eschema, eschema2rql(eschema, groupmap)) |
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changeset
|
237 |
if pb is not None: |
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parents:
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|
238 |
pb.update() |
fe0e307b9b70
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parents:
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changeset
|
239 |
# serialize constraint types |
4763
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schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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changeset
|
240 |
cstrtypemap = {} |
2597
d9c5a7e0563c
[C schema seria] cleanup
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2596
diff
changeset
|
241 |
rql = 'INSERT CWConstraintType X: X name %(ct)s' |
0 | 242 |
for cstrtype in CONSTRAINTS: |
4763
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|
243 |
cstrtypemap[cstrtype] = execute(rql, {'ct': unicode(cstrtype)}, |
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changeset
|
244 |
build_descr=False)[0][0] |
3857
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ensure pb is not None
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|
245 |
if pb is not None: |
0 | 246 |
pb.update() |
4760
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diff
changeset
|
247 |
# serialize relations |
fe0e307b9b70
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parents:
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changeset
|
248 |
for rschema in schema.relations(): |
fe0e307b9b70
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parents:
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changeset
|
249 |
# skip virtual relations such as eid, has_text and identity |
fe0e307b9b70
minor schema serialization optimization:
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parents:
4722
diff
changeset
|
250 |
if rschema in VIRTUAL_RTYPES: |
3857
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ensure pb is not None
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parents:
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changeset
|
251 |
if pb is not None: |
6676a839dc97
ensure pb is not None
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parents:
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diff
changeset
|
252 |
pb.update() |
0 | 253 |
continue |
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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changeset
|
254 |
execschemarql(execute, rschema, rschema2rql(rschema, addrdef=False)) |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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parents:
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changeset
|
255 |
if rschema.symmetric: |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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changeset
|
256 |
rdefs = [rdef for k, rdef in rschema.rdefs.iteritems() |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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changeset
|
257 |
if (rdef.subject, rdef.object) == k] |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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changeset
|
258 |
else: |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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changeset
|
259 |
rdefs = rschema.rdefs.itervalues() |
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schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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changeset
|
260 |
for rdef in rdefs: |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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diff
changeset
|
261 |
execschemarql(execute, rdef, |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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parents:
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diff
changeset
|
262 |
rdef2rql(rdef, cstrtypemap, groupmap)) |
3857
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ensure pb is not None
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parents:
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diff
changeset
|
263 |
if pb is not None: |
0 | 264 |
pb.update() |
265 |
for rql, kwargs in specialize2rql(schema): |
|
4791
b9a1b16a8d26
fix schema serialization, bad repartition of changes between stable and default
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|
266 |
execute(rql, kwargs, build_descr=False) |
3857
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ensure pb is not None
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|
267 |
if pb is not None: |
0 | 268 |
pb.update() |
3723
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|
269 |
if not quiet: |
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|
270 |
print |
0 | 271 |
|
272 |
||
4763
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schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
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|
273 |
# high level serialization functions |
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|
274 |
|
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|
275 |
def execschemarql(execute, schema, rqls): |
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276 |
for rql, kwargs in rqls: |
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|
277 |
kwargs['x'] = schema.eid |
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|
278 |
rset = execute(rql, kwargs, build_descr=False) |
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|
279 |
if schema.eid is None: |
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|
280 |
schema.eid = rset[0][0] |
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|
281 |
else: |
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|
282 |
assert rset |
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|
283 |
|
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|
284 |
def erschema2rql(erschema, groupmap): |
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|
285 |
if isinstance(erschema, schemamod.EntitySchema): |
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286 |
return eschema2rql(erschema, groupmap=groupmap) |
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287 |
return rschema2rql(erschema, groupmap=groupmap) |
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288 |
|
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289 |
def specialize2rql(schema): |
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290 |
for eschema in schema.entities(): |
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291 |
if eschema.final: |
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292 |
continue |
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293 |
for rql, kwargs in eschemaspecialize2rql(eschema): |
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294 |
yield rql, kwargs |
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|
295 |
|
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296 |
# etype serialization |
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297 |
|
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298 |
def eschema2rql(eschema, groupmap=None): |
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299 |
"""return a list of rql insert statements to enter an entity schema |
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300 |
in the database as an CWEType entity |
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301 |
""" |
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302 |
relations, values = eschema_relations_values(eschema) |
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303 |
# NOTE: 'specializes' relation can't be inserted here since there's no |
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304 |
# way to make sure the parent type is inserted before the child type |
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305 |
yield 'INSERT CWEType X: %s' % ','.join(relations) , values |
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306 |
# entity permissions |
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307 |
if groupmap is not None: |
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308 |
for rql, args in _erperms2rql(eschema, groupmap): |
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309 |
yield rql, args |
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|
310 |
|
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311 |
def eschema_relations_values(eschema): |
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312 |
values = _ervalues(eschema) |
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313 |
relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)] |
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314 |
return relations, values |
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|
315 |
|
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|
316 |
def eschemaspecialize2rql(eschema): |
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317 |
specialized_type = eschema.specializes() |
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318 |
if specialized_type: |
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|
319 |
values = {'x': eschema.eid, 'et': specialized_type.eid} |
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320 |
yield 'SET X specializes ET WHERE X eid %(x)s, ET eid %(et)s', values |
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|
321 |
|
0 | 322 |
def _ervalues(erschema): |
323 |
try: |
|
324 |
type_ = unicode(erschema.type) |
|
325 |
except UnicodeDecodeError, e: |
|
326 |
raise Exception("can't decode %s [was %s]" % (erschema.type, e)) |
|
327 |
try: |
|
328 |
desc = unicode(erschema.description) or u'' |
|
329 |
except UnicodeDecodeError, e: |
|
330 |
raise Exception("can't decode %s [was %s]" % (erschema.description, e)) |
|
331 |
return { |
|
332 |
'name': type_, |
|
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|
333 |
'final': erschema.final, |
0 | 334 |
'description': desc, |
335 |
} |
|
336 |
||
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337 |
# rtype serialization |
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|
338 |
|
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|
339 |
def rschema2rql(rschema, cstrtypemap=None, addrdef=True, groupmap=None): |
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340 |
"""return a list of rql insert statements to enter a relation schema |
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341 |
in the database as an CWRType entity |
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|
342 |
""" |
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|
343 |
if rschema.type == 'has_text': |
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344 |
return |
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345 |
relations, values = rschema_relations_values(rschema) |
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346 |
yield 'INSERT CWRType X: %s' % ','.join(relations), values |
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|
347 |
if addrdef: |
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348 |
assert cstrtypemap |
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|
349 |
# sort for testing purpose |
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350 |
for rdef in sorted(rschema.rdefs.itervalues(), |
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|
351 |
key=lambda x: (x.subject, x.object)): |
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|
352 |
for rql, values in rdef2rql(rdef, cstrtypemap, groupmap): |
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|
353 |
yield rql, values |
0 | 354 |
|
355 |
def rschema_relations_values(rschema): |
|
356 |
values = _ervalues(rschema) |
|
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357 |
values['final'] = rschema.final |
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|
358 |
values['symmetric'] = rschema.symmetric |
0 | 359 |
values['inlined'] = rschema.inlined |
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|
360 |
if isinstance(rschema.fulltext_container, str): |
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|
361 |
values['fulltext_container'] = unicode(rschema.fulltext_container) |
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|
362 |
else: |
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|
363 |
values['fulltext_container'] = rschema.fulltext_container |
0 | 364 |
relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)] |
365 |
return relations, values |
|
366 |
||
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|
367 |
# rdef serialization |
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|
368 |
|
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|
369 |
def rdef2rql(rdef, cstrtypemap, groupmap=None): |
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|
370 |
# don't serialize infered relations |
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|
371 |
if rdef.infered: |
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|
372 |
return |
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|
373 |
relations, values = _rdef_values(rdef) |
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|
374 |
relations.append('X relation_type ER,X from_entity SE,X to_entity OE') |
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|
375 |
values.update({'se': rdef.subject.eid, 'rt': rdef.rtype.eid, 'oe': rdef.object.eid}) |
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|
376 |
if rdef.final: |
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|
377 |
etype = 'CWAttribute' |
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|
378 |
else: |
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|
379 |
etype = 'CWRelation' |
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|
380 |
yield 'INSERT %s X: %s WHERE SE eid %%(se)s,ER eid %%(rt)s,OE eid %%(oe)s' % ( |
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|
381 |
etype, ','.join(relations), ), values |
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|
382 |
for rql, values in constraints2rql(cstrtypemap, rdef.constraints): |
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|
383 |
yield rql, values |
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|
384 |
# no groupmap means "no security insertion" |
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|
385 |
if groupmap: |
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|
386 |
for rql, args in _erperms2rql(rdef, groupmap): |
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|
387 |
yield rql, args |
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changeset
|
388 |
|
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|
389 |
def _rdef_values(rdef): |
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|
390 |
amap = {'order': 'ordernum', 'default': 'defaultval'} |
0 | 391 |
values = {} |
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changeset
|
392 |
for prop, default in rdef.rproperty_defs(rdef.object).iteritems(): |
4003
b9436fe77c9e
fix bad merge
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
3998
diff
changeset
|
393 |
if prop in ('eid', 'constraints', 'uid', 'infered', 'permissions'): |
0 | 394 |
continue |
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
395 |
value = getattr(rdef, prop) |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
396 |
# XXX type cast really necessary? |
0 | 397 |
if prop in ('indexed', 'fulltextindexed', 'internationalizable'): |
398 |
value = bool(value) |
|
399 |
elif prop == 'ordernum': |
|
400 |
value = int(value) |
|
401 |
elif isinstance(value, str): |
|
402 |
value = unicode(value) |
|
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
403 |
if value is not None and prop == 'default': |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
404 |
if value is False: |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
405 |
value = u'' |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
406 |
if not isinstance(value, unicode): |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
407 |
value = unicode(value) |
0 | 408 |
values[amap.get(prop, prop)] = value |
409 |
relations = ['X %s %%(%s)s' % (attr, attr) for attr in sorted(values)] |
|
410 |
return relations, values |
|
411 |
||
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
412 |
def constraints2rql(cstrtypemap, constraints, rdefeid=None): |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
413 |
for constraint in constraints: |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
414 |
values = {'ct': cstrtypemap[constraint.type()], |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
415 |
'value': unicode(constraint.serialize()), |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
416 |
'x': rdefeid} # when not specified, will have to be set by the caller |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
417 |
yield 'INSERT CWConstraint X: X value %(value)s, X cstrtype CT, EDEF constrained_by X WHERE \ |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
418 |
CT eid %(ct)s, EDEF eid %(x)s', values |
0 | 419 |
|
420 |
||
4011
394f853bb653
[migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
4010
diff
changeset
|
421 |
def _erperms2rql(erschema, groupmap): |
0 | 422 |
"""return rql insert statements to enter the entity or relation |
423 |
schema's permissions in the database as |
|
1398
5fe84a5f7035
rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents:
0
diff
changeset
|
424 |
[read|add|delete|update]_permission relations between CWEType/CWRType |
5fe84a5f7035
rename internal entity types to have CW prefix instead of E
sylvain.thenault@logilab.fr
parents:
0
diff
changeset
|
425 |
and CWGroup entities |
0 | 426 |
""" |
427 |
for action in erschema.ACTIONS: |
|
4631
457160bc8cfe
when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4570
diff
changeset
|
428 |
try: |
457160bc8cfe
when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4570
diff
changeset
|
429 |
grantedto = erschema.action_permissions(action) |
457160bc8cfe
when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4570
diff
changeset
|
430 |
except KeyError: |
457160bc8cfe
when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4570
diff
changeset
|
431 |
# may occurs when modifying persistent schema |
457160bc8cfe
when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4570
diff
changeset
|
432 |
continue |
457160bc8cfe
when modifying a persistent schema, erschema may miss some permissions which wil trigger a key error, but we don't want to crash on such cases
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4570
diff
changeset
|
433 |
for group_or_rqlexpr in grantedto: |
3877
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
434 |
if isinstance(group_or_rqlexpr, basestring): |
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
435 |
# group |
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
436 |
try: |
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
437 |
yield ('SET X %s_permission Y WHERE Y eid %%(g)s, X eid %%(x)s' % action, |
4011
394f853bb653
[migration] write migration instructions for permissions handling on relation definition
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
4010
diff
changeset
|
438 |
{'g': groupmap[group_or_rqlexpr]}) |
3877
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
439 |
except KeyError: |
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
440 |
continue |
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
441 |
else: |
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
442 |
# rqlexpr |
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
443 |
rqlexpr = group_or_rqlexpr |
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
444 |
yield ('INSERT RQLExpression E: E expression %%(e)s, E exprtype %%(t)s, ' |
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
445 |
'E mainvars %%(v)s, X %s_permission E WHERE X eid %%(x)s' % action, |
3877
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
446 |
{'e': unicode(rqlexpr.expression), |
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
447 |
'v': unicode(rqlexpr.mainvars), |
7ca53fc72a0a
reldefsecurity branch :
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3876
diff
changeset
|
448 |
't': unicode(rqlexpr.__class__.__name__)}) |
0 | 449 |
|
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
450 |
# update functions |
0 | 451 |
|
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
452 |
def updateeschema2rql(eschema, eid): |
0 | 453 |
relations, values = eschema_relations_values(eschema) |
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
454 |
values['x'] = eid |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
455 |
yield 'SET %s WHERE X eid %%(x)s' % ','.join(relations), values |
1630
41aadba8b29f
delete-trailing-whitespaces, check table existance
sylvain.thenault@logilab.fr
parents:
1398
diff
changeset
|
456 |
|
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
457 |
def updaterschema2rql(rschema, eid): |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
458 |
relations, values = rschema_relations_values(rschema) |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
459 |
values['x'] = eid |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
460 |
yield 'SET %s WHERE X eid %%(x)s' % ','.join(relations), values |
0 | 461 |
|
4763
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
462 |
def updaterdef2rql(rdef, eid): |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
463 |
relations, values = _rdef_values(rdef) |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
464 |
values['x'] = eid |
81b0df087375
schema serialization optimization by using eids instead of type names. Heavy refactoring/cleanup on the way
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4760
diff
changeset
|
465 |
yield 'SET %s WHERE X eid %%(x)s' % ','.join(relations), values |