odoo/openerp/wizard/__init__.py

188 lines
7.8 KiB
Python

# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
import openerp.netsvc as netsvc
from openerp.tools import copy
from openerp.tools.misc import UpdateableStr, UpdateableDict
from openerp.tools.translate import translate
from lxml import etree
import openerp.ir as ir
import openerp.pooler as pooler
from openerp.osv.osv import except_osv
from openerp.osv.orm import except_orm
from openerp.netsvc import Logger, LOG_ERROR
import sys
class except_wizard(Exception):
def __init__(self, name, value):
self.name = name
self.value = value
self.args = (name, value)
class interface(netsvc.Service):
states = {}
def __init__(self, name):
assert not self.exists('wizard.'+name), 'The wizard "%s" already exists!' % (name,)
super(interface, self).__init__('wizard.'+name)
self.exportMethod(self.execute)
self.wiz_name = name
def translate_view(self, cr, node, state, lang):
if node.get('string'):
trans = translate(cr, self.wiz_name+','+state, 'wizard_view', lang, node.get('string').encode('utf8'))
if trans:
node.set('string', trans)
for n in node:
self.translate_view(cr, n, state, lang)
def execute_cr(self, cr, uid, data, state='init', context=None):
if not context:
context={}
res = {}
try:
state_def = self.states[state]
result_def = state_def.get('result', {})
actions_res = {}
# iterate through the list of actions defined for this state
for action in state_def.get('actions', []):
# execute them
action_res = action(self, cr, uid, data, context)
assert isinstance(action_res, dict), 'The return value of wizard actions should be a dictionary'
actions_res.update(action_res)
res = copy.copy(result_def)
res['datas'] = actions_res
lang = context.get('lang', False)
if result_def['type'] == 'action':
res['action'] = result_def['action'](self, cr, uid, data, context)
elif result_def['type'] == 'form':
fields = copy.deepcopy(result_def['fields'])
arch = copy.copy(result_def['arch'])
button_list = copy.copy(result_def['state'])
if isinstance(fields, UpdateableDict):
fields = fields.dict
if isinstance(arch, UpdateableStr):
arch = arch.string
# fetch user-set defaut values for the field... shouldn't we pass it the uid?
defaults = ir.ir_get(cr, uid, 'default', False, [('wizard.'+self.wiz_name, False)])
default_values = dict([(x[1], x[2]) for x in defaults])
for val in fields.keys():
if 'default' in fields[val]:
# execute default method for this field
if callable(fields[val]['default']):
fields[val]['value'] = fields[val]['default'](uid, data, state)
else:
fields[val]['value'] = fields[val]['default']
del fields[val]['default']
else:
# if user has set a default value for the field, use it
if val in default_values:
fields[val]['value'] = default_values[val]
if 'selection' in fields[val]:
if not isinstance(fields[val]['selection'], (tuple, list)):
fields[val] = copy.copy(fields[val])
fields[val]['selection'] = fields[val]['selection'](self, cr, uid, context)
elif lang:
res_name = "%s,%s,%s" % (self.wiz_name, state, val)
trans = lambda x: translate(cr, res_name, 'selection', lang, x) or x
for idx, (key, val2) in enumerate(fields[val]['selection']):
fields[val]['selection'][idx] = (key, trans(val2))
if lang:
# translate fields
for field in fields:
res_name = "%s,%s,%s" % (self.wiz_name, state, field)
trans = translate(cr, res_name, 'wizard_field', lang)
if trans:
fields[field]['string'] = trans
if 'help' in fields[field]:
t = translate(cr, res_name, 'help', lang, fields[field]['help'])
if t:
fields[field]['help'] = t
# translate arch
if not isinstance(arch, UpdateableStr):
doc = etree.XML(arch)
self.translate_view(cr, doc, state, lang)
arch = etree.tostring(doc)
# translate buttons
button_list = list(button_list)
for i, aa in enumerate(button_list):
button_name = aa[0]
trans = translate(cr, self.wiz_name+','+state+','+button_name, 'wizard_button', lang)
if trans:
aa = list(aa)
aa[1] = trans
button_list[i] = aa
res['fields'] = fields
res['arch'] = arch
res['state'] = button_list
elif result_def['type'] == 'choice':
next_state = result_def['next_state'](self, cr, uid, data, context)
return self.execute_cr(cr, uid, data, next_state, context)
except Exception, e:
if isinstance(e, except_wizard) \
or isinstance(e, except_osv) \
or isinstance(e, except_orm):
self.abortResponse(2, e.name, 'warning', e.value)
else:
import traceback
tb_s = reduce(lambda x, y: x+y, traceback.format_exception(
sys.exc_type, sys.exc_value, sys.exc_traceback))
logger = Logger()
logger.notifyChannel("web-services", LOG_ERROR,
'Exception in call: ' + tb_s)
raise
return res
def execute(self, db, uid, data, state='init', context=None):
if not context:
context={}
cr = pooler.get_db(db).cursor()
try:
try:
res = self.execute_cr(cr, uid, data, state, context)
cr.commit()
except Exception:
cr.rollback()
raise
finally:
cr.close()
return res
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