author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Fri, 07 May 2010 20:07:54 +0200 | |
branch | stable |
changeset 5502 | c342531032a1 |
parent 5424 | 8ecbcbff9777 |
child 6109 | 47d9c0e0f7b7 |
permissions | -rw-r--r-- |
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# copyright 2003-2010 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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# 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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"""workflow related schemas |
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""" |
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__docformat__ = "restructuredtext en" |
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_ = unicode |
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from yams.buildobjs import (EntityType, RelationType, SubjectRelation, |
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RichString, String) |
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from cubicweb.schema import RQLConstraint, RQLUniqueConstraint |
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from cubicweb.schemas import (META_ETYPE_PERMS, META_RTYPE_PERMS, |
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HOOKS_RTYPE_PERMS) |
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class Workflow(EntityType): |
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__permissions__ = META_ETYPE_PERMS |
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name = String(required=True, indexed=True, internationalizable=True, |
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maxsize=256) |
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description = RichString(default_format='text/rest', |
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description=_('semantic description of this workflow')) |
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workflow_of = SubjectRelation('CWEType', cardinality='+*', |
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description=_('entity types which may use this workflow'), |
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constraints=[RQLConstraint('O final FALSE')]) |
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initial_state = SubjectRelation('State', cardinality='?*', |
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constraints=[RQLConstraint('O state_of S', |
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msg=_('state doesn\'t belong to this workflow'))], |
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description=_('initial state for this workflow')) |
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class default_workflow(RelationType): |
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"""default workflow for an entity type""" |
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__permissions__ = META_RTYPE_PERMS |
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subject = 'CWEType' |
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object = 'Workflow' |
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cardinality = '?*' |
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constraints = [RQLConstraint('S final FALSE, O workflow_of S', |
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msg=_('workflow isn\'t a workflow for this type'))] |
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class State(EntityType): |
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"""used to associate simple states to an entity type and/or to define |
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workflows |
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""" |
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__permissions__ = META_ETYPE_PERMS |
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name = String(required=True, indexed=True, internationalizable=True, |
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maxsize=256, |
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constraints=[RQLUniqueConstraint('S name N, S state_of WF, Y state_of WF, Y name N', 'Y', |
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_('workflow already have a state of that name'))]) |
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description = RichString(default_format='text/rest', |
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description=_('semantic description of this state')) |
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# XXX should be on BaseTransition w/ AND/OR selectors when we will |
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# implements #345274 |
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allowed_transition = SubjectRelation('BaseTransition', cardinality='**', |
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constraints=[RQLConstraint('S state_of WF, O transition_of WF', |
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msg=_('state and transition don\'t belong the the same workflow'))], |
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description=_('allowed transitions from this state')) |
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state_of = SubjectRelation('Workflow', cardinality='1*', composite='object', |
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description=_('workflow to which this state belongs'), |
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constraints=[RQLUniqueConstraint('S name N, Y state_of O, Y name N', 'Y', |
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_('workflow already have a state of that name'))]) |
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class BaseTransition(EntityType): |
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"""abstract base class for transitions""" |
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__permissions__ = META_ETYPE_PERMS |
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name = String(required=True, indexed=True, internationalizable=True, |
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maxsize=256, |
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constraints=[RQLUniqueConstraint('S name N, S transition_of WF, Y transition_of WF, Y name N', 'Y', |
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_('workflow already have a transition of that name'))]) |
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type = String(vocabulary=(_('normal'), _('auto')), default='normal') |
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description = RichString(description=_('semantic description of this transition')) |
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condition = SubjectRelation('RQLExpression', cardinality='*?', composite='subject', |
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description=_('a RQL expression which should return some results, ' |
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'else the transition won\'t be available. ' |
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97 |
'This query may use X and U variables ' |
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'that will respectivly represents ' |
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99 |
'the current entity and the current user')) |
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require_group = SubjectRelation('CWGroup', cardinality='**', |
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description=_('group in which a user should be to be ' |
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'allowed to pass this transition')) |
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transition_of = SubjectRelation('Workflow', cardinality='1*', composite='object', |
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description=_('workflow to which this transition belongs'), |
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constraints=[RQLUniqueConstraint('S name N, Y transition_of O, Y name N', 'Y', |
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107 |
_('workflow already have a transition of that name'))]) |
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108 |
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109 |
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110 |
class Transition(BaseTransition): |
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"""use to define a transition from one or multiple states to a destination |
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states in workflow's definitions. Transition without destination state will |
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113 |
go back to the state from which we arrived to the current state. |
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""" |
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__specializes_schema__ = True |
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116 |
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destination_state = SubjectRelation( |
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'State', cardinality='?*', |
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constraints=[RQLConstraint('S transition_of WF, O state_of WF', |
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msg=_('state and transition don\'t belong the the same workflow'))], |
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description=_('destination state for this transition')) |
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123 |
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class WorkflowTransition(BaseTransition): |
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125 |
"""special transition allowing to go through a sub-workflow""" |
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__specializes_schema__ = True |
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127 |
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128 |
subworkflow = SubjectRelation('Workflow', cardinality='1*', |
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129 |
constraints=[RQLConstraint('S transition_of WF, WF workflow_of ET, O workflow_of ET', |
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msg=_('subworkflow isn\'t a workflow for the same types as the transition\'s workflow'))] |
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131 |
) |
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# XXX use exit_of and inline it |
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subworkflow_exit = SubjectRelation('SubWorkflowExitPoint', cardinality='*1', |
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134 |
composite='subject') |
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135 |
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136 |
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137 |
class SubWorkflowExitPoint(EntityType): |
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"""define how we get out from a sub-workflow""" |
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subworkflow_state = SubjectRelation( |
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140 |
'State', cardinality='1*', |
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141 |
constraints=[RQLConstraint('T subworkflow_exit S, T subworkflow WF, O state_of WF', |
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msg=_('exit state must a subworkflow state'))], |
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description=_('subworkflow state')) |
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144 |
destination_state = SubjectRelation( |
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'State', cardinality='?*', |
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146 |
constraints=[RQLConstraint('T subworkflow_exit S, T transition_of WF, O state_of WF', |
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147 |
msg=_('destination state must be in the same workflow as our parent transition'))], |
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description=_('destination state. No destination state means that transition ' |
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149 |
'should go back to the state from which we\'ve entered the ' |
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150 |
'subworkflow.')) |
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151 |
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152 |
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153 |
class TrInfo(EntityType): |
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154 |
"""workflow history item""" |
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155 |
# 'add' security actually done by hooks |
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156 |
__permissions__ = { |
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157 |
'read': ('managers', 'users', 'guests',), # XXX U has_read_permission O ? |
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158 |
'add': ('managers', 'users', 'guests',), |
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'delete': (), # XXX should we allow managers to delete TrInfo? |
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160 |
'update': ('managers', 'owners',), |
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161 |
} |
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162 |
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163 |
from_state = SubjectRelation('State', cardinality='1*') |
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to_state = SubjectRelation('State', cardinality='1*') |
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165 |
# make by_transition optional because we want to allow managers to set |
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166 |
# entity into an arbitrary state without having to respect wf transition |
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167 |
by_transition = SubjectRelation('BaseTransition', cardinality='?*') |
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168 |
comment = RichString(fulltextindexed=True) |
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169 |
# get actor and date time using owned_by and creation_date |
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170 |
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171 |
class from_state(RelationType): |
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172 |
__permissions__ = HOOKS_RTYPE_PERMS.copy() |
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173 |
inlined = True |
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174 |
|
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175 |
class to_state(RelationType): |
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__permissions__ = HOOKS_RTYPE_PERMS.copy() |
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inlined = True |
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178 |
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179 |
class by_transition(RelationType): |
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# 'add' security actually done by hooks |
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__permissions__ = { |
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182 |
'read': ('managers', 'users', 'guests',), |
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183 |
'add': ('managers', 'users', 'guests',), |
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184 |
'delete': (), |
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185 |
} |
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186 |
inlined = True |
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187 |
|
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188 |
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189 |
class workflow_of(RelationType): |
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190 |
"""link a workflow to one or more entity type""" |
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191 |
__permissions__ = META_RTYPE_PERMS |
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class state_of(RelationType): |
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194 |
"""link a state to one or more workflow""" |
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__permissions__ = META_RTYPE_PERMS |
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inlined = True |
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197 |
|
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class transition_of(RelationType): |
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"""link a transition to one or more workflow""" |
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__permissions__ = META_RTYPE_PERMS |
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inlined = True |
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class destination_state(RelationType): |
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"""destination state of a transition""" |
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__permissions__ = META_RTYPE_PERMS |
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inlined = True |
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class allowed_transition(RelationType): |
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"""allowed transitions from this state""" |
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__permissions__ = META_RTYPE_PERMS |
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class initial_state(RelationType): |
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"""indicate which state should be used by default when an entity using |
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states is created |
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""" |
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__permissions__ = META_RTYPE_PERMS |
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inlined = True |
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|
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class subworkflow(RelationType): |
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__permissions__ = META_RTYPE_PERMS |
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inlined = True |
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class exit_point(RelationType): |
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__permissions__ = META_RTYPE_PERMS |
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|
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class subworkflow_state(RelationType): |
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__permissions__ = META_RTYPE_PERMS |
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inlined = True |
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|
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|
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class condition(RelationType): |
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__permissions__ = META_RTYPE_PERMS |
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|
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# already defined in base.py |
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# class require_group(RelationType): |
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# __permissions__ = META_RTYPE_PERMS |
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# "abstract" relations, set by WorkflowableEntityType ########################## |
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class custom_workflow(RelationType): |
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"""allow to set a specific workflow for an entity""" |
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__permissions__ = META_RTYPE_PERMS |
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cardinality = '?*' |
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constraints = [RQLConstraint('S is ET, O workflow_of ET', |
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msg=_('workflow isn\'t a workflow for this type'))] |
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object = 'Workflow' |
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class wf_info_for(RelationType): |
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"""link a transition information to its object""" |
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# 'add' security actually done by hooks |
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__permissions__ = { |
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'read': ('managers', 'users', 'guests',), |
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'add': ('managers', 'users', 'guests',), |
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'delete': (), |
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} |
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inlined = True |
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|
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cardinality = '1*' |
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composite = 'object' |
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fulltext_container = composite |
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subject = 'TrInfo' |
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|
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class in_state(RelationType): |
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"""indicate the current state of an entity""" |
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__permissions__ = HOOKS_RTYPE_PERMS |
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|
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# not inlined intentionnaly since when using ldap sources, user'state |
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# has to be stored outside the CWUser table |
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inlined = False |
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cardinality = '1*' |
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constraints = [RQLConstraint('S is ET, O state_of WF, WF workflow_of ET', |
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msg=_('state doesn\'t apply to this entity\'s type'))] |
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object = 'State' |