1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
# -*- coding: utf-8 -*-
##############################################
#
# Swing Entwicklung betrieblicher Informationssysteme GmbH
# (<http://www.swing-system.com>)
# Copyright (C) ChriCar Beteiligungs- und Beratungs- GmbH
# all rights reserved
# 28-NOV-2011 (GK) created
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs.
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company.
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/> or
# write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
###############################################
from osv import fields,osv
from tools.translate import _
class Look_Ahead_Gen(object):
is_finished = property (lambda s: not s)
def __init__(self, source):
self.source = source = iter(source)
self._sentinel = self.succ = object()
# end def __init__
def __nonzero__(self):
try :
if self.succ is self._sentinel:
self.succ = self.source.next()
except StopIteration :
return False
return True
# end def __nonzero__
def __iter__(self):
source = self.source
_sentinel = self._sentinel
while True:
if self.succ is _sentinel :
next = source.next()
else :
next = self.succ
self.succ = _sentinel
yield next
# end def __iter__
# end class Loop_Ahead_Gen
def pairwise(seq):
lag = Look_Ahead_Gen(seq)
for h in lag :
if lag:
yield h, lag.succ
# end def pairwise
def period_overlaps (my, other):
m_b = my.from_date
m_e = my.to_date
o_b = other.from_date
o_e = other.to_date
if m_b :
if o_b :
if o_e :
return o_b <= m_b and m_b <= o_e
else :
return o_b <= m_b
elif o_e :
return m_b <= o_e
elif m_e :
if o_b :
return o_b <= m_e
return True
# end def _period_overlaps
def date_overlaps (my_from_date, my_to_date, other_from_date, other_to_date):
m_b = my_from_date
m_e = my_to_date
o_b = other_from_date
o_e = other_to_date
if m_b :
if o_b :
if o_e :
return o_b <= m_b and m_b <= o_e
else :
return o_b <= m_b
elif o_e :
return m_b <= o_e
elif m_e :
if o_b :
return o_b <= m_e
return True
# end def _date_overlaps
class constraint_predicate(osv.osv):
_name = "constraint.predicate"
_columns = \
{ 'company_id': fields.many2one('res.company', 'Company', required=True)
, 'condition' : fields.char
('Condition'
, required = True
, size = 256
, help = "Python expression that evaluates to 'True' if the condition is fulfilled, else 'False'"
)
, 'enable' : fields.boolean('Enable', required=True)
, 'filter' : fields.char
( 'Filter'
, size=256
, help="Python expression. If it evaluates to 'True' then the Condition is checked"
)
, 'name' : fields.char('Error Message', required=True, size=128, translate=True)
, 'object' : fields.char('Object Name', required=True, size=32)
, 'table' : fields.char('Table', required=True, size=32)
}
_defaults = \
{ 'company_id' : lambda s, cr, uid, c: s.pool.get('res.users').browse(cr, uid, uid, context=c).company_id.id # V5.0
#V6.1 , 'company_id' : lambda s, cr, uid, c: s.pool.get('res.company')._company_default_get(cr, uid, 'ir.sequence', context=c)
, 'enable' : lambda *a : True
}
_msg = []
def test_obj (self, cr, uid, rule, obj) : pass # let the heirs do the work
def test (self, cr, uid, rule) :
result = []
c_obj = self.pool.get (rule.table)
c_ids = c_obj.search (cr, uid, [])
for obj in c_obj.browse (cr, uid, c_ids) :
has_company = 'company_id' in c_obj._columns
if not has_company or (obj.company_id == rule.company_id) :
result.extend(self.test_obj(cr, uid, rule, obj))
return result
# end def test
def button_test (self, cr, uid, ids, id) :
result = []
for c in self.browse (cr, uid, ids) :
result.extend(self.test(cr, uid, c))
if result :
raise osv.except_osv (_('%s Rule Error(s) !' % len(result)), _('\n'.join (result)))
else :
raise osv.except_osv (_('Rule successfully tested !'), _('No errors found.'))
# end def button_test
def button_start (self, cr, uid, ids, id) :
def _check_constraint_func(self, cr, uid, ids):
constr_one_obj = self.pool.get ("constraint.check_one")
constr_all_obj = self.pool.get ("constraint.check_for_all")
self._msg = []
selection = [("table","=", self._name), ("enable", "=", True)]
for obj in self.browse(cr, uid, ids) :
for rule in constr_one_obj.browse(cr, uid, constr_one_obj.search(cr, uid, selection)) :
result = constr_one_obj.test_obj(cr, uid, rule, obj)
if result :
self._msg.append("\n".join(result))
for rule in constr_all_obj.browse(cr, uid, constr_all_obj.search(cr, uid, selection)) :
result = constr_all_obj.test_obj(cr, uid, rule, obj)
if result :
self._msg.append("\n".join(result))
if self._msg :
self._msg = "\n".join(self._msg)
print ">>>>Constraint check failed: ", self._msg ################
return False
else :
return True
# end def _check_constraint_func
self._msg = []
model_obj = self.pool.get("ir.model")
for name in model_obj.browse(cr, uid, model_obj.search(cr, uid, [])) :
model = name.model
table_obj = self.pool.get(model)
if table_obj is None : continue
if "ir." in model and model not in ("ir.sequence", "ir.attachment") : continue
if "audittrail." in model: continue
if "base." in model: continue
if isinstance(table_obj, osv.osv_memory) : continue
has_it = False
for constr in table_obj._constraints :
if constr[0].func_name == _check_constraint_func.func_name :
has_it = True
continue
if not has_it :
table_obj._constraints.append((_check_constraint_func, "See server log!", []))
# end def button_start
def button_stop (self, cr, uid, ids, id) :
model_obj = self.pool.get("ir.model")
for name in model_obj.browse(cr, uid, model_obj.search(cr, uid, [])) :
model = name.model
table_obj = self.pool.get(model)
if table_obj is None : continue
l = []
for constr in table_obj._constraints :
if constr[0].func_name != "_check_constraint_func" :
l.append(constr)
table_obj._constraints = l
# end def button_stop
constraint_predicate ()
class constraint_check_one (osv.osv):
_name = "constraint.check_one"
_inherit = "constraint.predicate"
def test_obj (self, cr, uid, rule, obj) :
result = []
c_obj = self.pool.get (rule.table)
ctx = \
{ rule.object : obj
, 'pairwise' : pairwise
, 'date_overlaps' : date_overlaps
, 'period_overlaps' : period_overlaps
}
if rule.filter :
if eval (rule.filter, {rule.object : obj}):
if not eval (rule.condition, ctx):
name = getattr(obj, c_obj._rec_name, "")
result.append('%s "%s": %s' % (c_obj._description, name, rule.name))
else :
if not eval (rule.condition, ctx):
name = getattr(obj, c_obj._rec_name, "")
result.append('%s "%s": %s' % (c_obj._description, name, rule.name))
return result
# end def test
constraint_check_one ()
class constraint_check_for_all (osv.osv):
_name = "constraint.check_for_all"
_inherit = "constraint.predicate"
_columns = \
{ 'sequence' : fields.char ('Sequence', size=256, required=True, help="Python expression that evaluates to a list")
, 'var' : fields.char ('Variable Name', size=32, required=True)
}
def test_obj (self, cr, uid, rule, obj) :
result = []
c_obj = self.pool.get (rule.table)
dict = \
{ rule.object : obj
, 'pairwise' : pairwise
, 'date_overlaps' : date_overlaps
, 'period_overlaps' : period_overlaps
}
if rule.filter :
if eval (rule.filter, dict):
seq = eval (rule.sequence, dict)
for elem in seq :
ctx = {rule.var : elem}
ctx.update(dict)
if not eval (rule.condition, ctx):
name = getattr(obj, c_obj._rec_name, "")
ename = getattr(elem, "name", "")
result.append('%s "%s": %s "%s"' % (c_obj._description, name, rule.name, ename))
else :
seq = eval(rule.sequence, dict)
for elem in seq :
ctx = {rule.var : elem}
ctx.update(dict)
if not eval (rule.condition, ctx):
# try :
# it = iter(elem)
# e = [o.name for o in elem]
# except TypeError :
name = getattr(obj, c_obj._rec_name, "")
ename = getattr(elem, "name", "")
result.append('%s "%s": %s "%s"' % (c_obj._description, name, rule.name, ename))
return result
# end def test_obj
constraint_check_for_all ()
|