Add StateReport to Wizard

issue4896
review19361002

CHANGELOG

@@ -1,3 +1,4 @@
+* Add StateReport to Wizard
 * Allow to override ModelSQL._table
 * Allow to import backend from entry points
 * Add reversed operators to PYSON expressions

doc/ref/wizard.rst

@@ -172,6 +172,15 @@ Instance methods are:
 
     Returns the `ir.action` definition.
 
+===========
+StateReport
+===========
+
+.. class:: StateReport(report_name)
+
+    A :class:`StateReport` is a :class:`StateAction` which find the report
+    action by name instead of `XML` id.
+
 ======
 Button
 ======

trytond/wizard/__init__.py

@@ -1,5 +1,9 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
-from .wizard import Wizard, StateView, StateTransition, StateAction, Button
+from .wizard import Wizard
+from .wizard import StateView, StateTransition, StateAction, StateReport
+from .wizard import Button
 
-__all__ = ['Wizard', 'StateView', 'StateTransition', 'StateAction', 'Button']
+__all__ = ['Wizard',
+    'StateView', 'StateTransition', 'StateAction', 'StateReport',
+    'Button']

trytond/wizard/wizard.py

@@ -1,7 +1,9 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 
-__all__ = ['Wizard', 'StateView', 'StateTransition', 'StateAction', 'Button']
+__all__ = ['Wizard',
+    'StateView', 'StateTransition', 'StateAction', 'StateReport',
+    'Button']
 
 try:
     import simplejson as json
@@ -146,6 +148,27 @@ class StateAction(StateTransition):
         return Action.get_action_values(action.type, [action.id])[0]
 
 
+class StateReport(StateAction):
+    'An report state of a wizard'
+
+    def __init__(self, report_name):
+        super(StateReport, self).__init__(None)
+        self.report_name = report_name
+
+    def get_action(self):
+        'Return report definition'
+        pool = Pool()
+        ActionReport = pool.get('ir.action.report')
+        Action = pool.get('ir.action')
+        action_reports = ActionReport.search([
+                ('report_name', '=', self.report_name),
+                ])
+        assert action_reports, '%s not found' % self.report_name
+        action_report = action_reports[0]
+        action = action_report.action
+        return Action.get_action_values(action.type, [action.id])[0]
+
+
 class Wizard(WarningErrorMixin, URLMixin, PoolBase):
     start_state = 'start'
     end_state = 'end'