/usr/lib/python2.7/dist-packages/trytond/model/modelstorage.py is in tryton-server 3.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 | #This file is part of Tryton. The COPYRIGHT file at the top level of
#this repository contains the full copyright notices and license terms.
import datetime
import time
import logging
import contextlib
import traceback
import sys
import csv
import warnings
try:
import cStringIO as StringIO
except ImportError:
import StringIO
from decimal import Decimal
from itertools import islice, ifilter, chain, izip
from functools import reduce
from trytond.model import Model
from trytond.model import fields
from trytond.tools import safe_eval, reduce_domain
from trytond.pyson import PYSONEncoder, PYSONDecoder, PYSON
from trytond.const import OPERATORS, RECORD_CACHE_SIZE, BROWSE_FIELD_TRESHOLD
from trytond.transaction import Transaction
from trytond.pool import Pool
from trytond.cache import LRUDict
from trytond.config import CONFIG
from trytond.rpc import RPC
from .modelview import ModelView
__all__ = ['ModelStorage']
class ModelStorage(Model):
"""
Define a model with storage capability in Tryton.
"""
create_uid = fields.Many2One('res.user', 'Create User', readonly=True)
create_date = fields.Timestamp('Create Date', readonly=True)
write_uid = fields.Many2One('res.user', 'Write User', readonly=True)
write_date = fields.Timestamp('Write Date', readonly=True)
rec_name = fields.Function(fields.Char('Name'), 'get_rec_name',
searcher='search_rec_name')
@classmethod
def __setup__(cls):
super(ModelStorage, cls).__setup__()
if issubclass(cls, ModelView):
cls.__rpc__.update({
'create': RPC(readonly=False,
result=lambda r: map(int, r)),
'read': RPC(),
'write': RPC(readonly=False, instantiate=0),
'delete': RPC(readonly=False, instantiate=0),
'copy': RPC(readonly=False, instantiate=0,
result=lambda r: map(int, r)),
'search': RPC(result=lambda r: map(int, r)),
'search_count': RPC(),
'search_read': RPC(),
'export_data': RPC(instantiate=0),
'import_data': RPC(readonly=False),
})
cls._constraints = []
@staticmethod
def default_create_uid():
"Default value for uid field."
return int(Transaction().user)
@staticmethod
def default_create_date():
"Default value for create_date field."
return datetime.datetime.today()
@classmethod
def create(cls, vlist):
'''
Returns the list of created records.
'''
pool = Pool()
ModelAccess = pool.get('ir.model.access')
ModelFieldAccess = pool.get('ir.model.field.access')
ModelAccess.check(cls.__name__, 'create')
all_fields = list(set(chain(*(v.iterkeys() for v in vlist))))
ModelFieldAccess.check(cls.__name__, all_fields, 'write')
# Increase transaction counter
Transaction().counter += 1
@classmethod
def trigger_create(cls, records):
'''
Trigger create actions
'''
Trigger = Pool().get('ir.trigger')
triggers = Trigger.get_triggers(cls.__name__, 'create')
if not triggers:
return
for trigger in triggers:
triggers = []
for record in records:
if Trigger.eval(trigger, record):
triggers.append(record)
if triggers:
Trigger.trigger_action(triggers, trigger)
@classmethod
def read(cls, ids, fields_names=None):
'''
Read fields_names of record ids.
If fields_names is None, it read all fields.
The order is not guaranteed.
'''
pool = Pool()
ModelAccess = pool.get('ir.model.access')
ModelFieldAccess = pool.get('ir.model.field.access')
ModelAccess.check(cls.__name__, 'read')
ModelFieldAccess.check(cls.__name__,
fields_names or cls._fields.keys(), 'read')
return []
@classmethod
def write(cls, records, values):
'''
Write values on records.
'''
pool = Pool()
ModelAccess = pool.get('ir.model.access')
ModelFieldAccess = pool.get('ir.model.field.access')
ModelAccess.check(cls.__name__, 'write')
ModelFieldAccess.check(cls.__name__,
[x for x in values if x in cls._fields], 'write')
if not cls.check_xml_record(records, values):
cls.raise_user_error('write_xml_record',
error_description='xml_record_desc')
# Increase transaction counter
Transaction().counter += 1
# Clean local cache
for record in records:
local_cache = record._local_cache.get(record.id)
if local_cache:
local_cache.clear()
# Clean cursor cache
for cache in Transaction().cursor.cache.itervalues():
if cls.__name__ in cache:
for record in records:
if record.id in cache[cls.__name__]:
cache[cls.__name__][record.id].clear()
@classmethod
def trigger_write_get_eligibles(cls, records):
'''
Return eligible records for write actions by triggers
'''
Trigger = Pool().get('ir.trigger')
triggers = Trigger.get_triggers(cls.__name__, 'write')
if not triggers:
return {}
eligibles = {}
for trigger in triggers:
eligibles[trigger] = []
for record in records:
if not Trigger.eval(trigger, record):
eligibles[trigger].append(record)
return eligibles
@classmethod
def trigger_write(cls, eligibles):
'''
Trigger write actions.
eligibles is a dictionary of the lists of eligible records by triggers
'''
Trigger = Pool().get('ir.trigger')
for trigger, records in eligibles.iteritems():
triggered = []
for record in records:
if Trigger.eval(trigger, record):
triggered.append(record)
if triggered:
Trigger.trigger_action(triggered, trigger)
@classmethod
def delete(cls, records):
'''
Delete records.
'''
ModelAccess = Pool().get('ir.model.access')
ModelAccess.check(cls.__name__, 'delete')
if not cls.check_xml_record(records, None):
cls.raise_user_error('delete_xml_record',
error_description='xml_record_desc')
# Increase transaction counter
Transaction().counter += 1
# Clean cursor cache
for cache in Transaction().cursor.cache.values():
for cache in (cache, cache.get('_language_cache', {}).values()):
if cls.__name__ in cache:
for record in records:
if record.id in cache[cls.__name__]:
del cache[cls.__name__][record.id]
@classmethod
def trigger_delete(cls, records):
'''
Trigger delete actions
'''
Trigger = Pool().get('ir.trigger')
triggers = Trigger.get_triggers(cls.__name__, 'delete')
if not triggers:
return
for trigger in triggers:
triggered = []
for record in records:
if Trigger.eval(trigger, record):
triggered.append(record)
if triggered:
Trigger.trigger_action(triggered, trigger)
@classmethod
def copy(cls, records, default=None):
'''
Duplicate the records and return a list of new records.
'''
pool = Pool()
Lang = pool.get('ir.lang')
if default is None:
default = {}
if 'state' not in default:
if 'state' in cls._defaults:
default['state'] = cls._defaults['state']()
def convert_data(field_defs, data):
data = data.copy()
data_o2m = {}
for field_name in field_defs:
ftype = field_defs[field_name]['type']
if field_name in (
'create_date',
'create_uid',
'write_date',
'write_uid',
):
del data[field_name]
if field_name in default:
data[field_name] = default[field_name]
elif (isinstance(cls._fields[field_name], fields.Function)
and not isinstance(cls._fields[field_name],
fields.Property)):
del data[field_name]
elif ftype in ('many2one', 'one2one'):
try:
data[field_name] = data[field_name] and \
data[field_name][0]
except Exception:
pass
elif ftype in ('one2many',):
if data[field_name]:
data_o2m[field_name] = data[field_name]
data[field_name] = None
elif ftype == 'many2many':
if data[field_name]:
data[field_name] = [('set', data[field_name])]
if 'id' in data:
del data['id']
return data, data_o2m
new_ids = {}
fields_names = [n for n, f in cls._fields.iteritems()
if (not isinstance(f, fields.Function)
or isinstance(f, fields.Property))]
ids = map(int, records)
datas = cls.read(ids, fields_names=fields_names)
field_defs = cls.fields_get(fields_names=fields_names)
data_ids = []
to_create = []
o2m_to_create = []
for data in datas:
data_ids.append(data['id'])
data, data_o2m = convert_data(field_defs, data)
to_create.append(data)
o2m_to_create.append(data_o2m)
new_records = cls.create(to_create)
for data_id, new_record, data_o2m in izip(data_ids, new_records,
o2m_to_create):
new_ids[data_id] = new_record.id
for field_name in data_o2m:
Relation = pool.get(
field_defs[field_name]['relation'])
relation_field = field_defs[field_name]['relation_field']
if relation_field:
field = Relation._fields[relation_field]
if field._type == 'reference':
value = str(new_record)
else:
value = new_record.id
Relation.copy(Relation.browse(data_o2m[field_name]),
default={relation_field: value})
fields_translate = {}
for field_name, field in field_defs.iteritems():
if field_name in cls._fields and \
getattr(cls._fields[field_name], 'translate', False):
fields_translate[field_name] = field
if fields_translate:
langs = Lang.search([
('translatable', '=', True),
])
if langs:
for lang in langs:
# Prevent fuzzing translations when copying as the terms
# should be the same.
with Transaction().set_context(language=lang.code,
fuzzy_translation=False):
datas = cls.read(ids,
fields_names=fields_translate.keys() + ['id'])
for data in datas:
data_id = data['id']
data, _ = convert_data(fields_translate, data)
cls.write([cls(new_ids[data_id])], data)
return cls.browse(new_ids.values())
@classmethod
def search(cls, domain, offset=0, limit=None, order=None, count=False):
'''
Return a list of records that match the domain.
'''
if count:
return 0
return []
@classmethod
def search_count(cls, domain):
'''
Return the number of records that match the domain.
'''
res = cls.search(domain, count=True)
if isinstance(res, list):
return len(res)
return res
@classmethod
def search_read(cls, domain, offset=0, limit=None, order=None,
fields_names=None):
'''
Call search and read functions at once.
Useful for the client to reduce the number of calls.
'''
records = cls.search(domain, offset=offset, limit=limit, order=order)
if not fields_names:
fields_names = cls._fields.keys()
if 'id' not in fields_names:
fields_names.append('id')
return cls.read(map(int, records), fields_names)
@classmethod
def _search_domain_active(cls, domain, active_test=True):
# reduce_domain return a new instance so we can safety modify domain
domain = reduce_domain(domain)
# if the object has a field named 'active', filter out all inactive
# records unless they were explicitely asked for
if not ('active' in cls._fields
and active_test
and Transaction().context.get('active_test', True)):
return domain
def process(domain):
i = 0
active_found = False
while i < len(domain):
arg = domain[i]
#add test for xmlrpc that doesn't handle tuple
if (isinstance(arg, tuple)
or (isinstance(arg, list)
and len(arg) > 2
and arg[1] in OPERATORS)):
if arg[0] == 'active':
active_found = True
elif isinstance(arg, list):
domain[i] = process(domain[i])
i += 1
if not active_found:
if (domain and ((isinstance(domain[0], basestring)
and domain[0] == 'AND')
or (not isinstance(domain[0], basestring)))):
domain.append(('active', '=', True))
else:
domain = ['AND', domain, ('active', '=', True)]
return domain
return process(domain)
def get_rec_name(self, name):
'''
Return the rec_name of the instance.
It is used by the Function field rec_name.
'''
rec_name = self._rec_name
if rec_name not in self._fields:
rec_name = 'id'
return unicode(getattr(self, rec_name))
@classmethod
def search_rec_name(cls, name, clause):
'''
Return a list of arguments for search on rec_name.
'''
rec_name = cls._rec_name
if rec_name not in cls._fields:
return []
return [(rec_name,) + tuple(clause[1:])]
@classmethod
def search_global(cls, text):
'''
Yield tuples (id, rec_name, icon) for text
'''
# TODO improve search clause
for record in cls.search([
('rec_name', 'ilike', '%%%s%%' % text),
]):
yield record.id, record.rec_name, None
@classmethod
def browse(cls, ids):
'''
Return a list of instance for the ids
'''
ids = map(int, ids)
local_cache = LRUDict(RECORD_CACHE_SIZE)
return [cls(int(x), _ids=ids, _local_cache=local_cache) for x in ids]
@staticmethod
def __export_row(record, fields_names):
pool = Pool()
lines = []
data = ['' for x in range(len(fields_names))]
done = []
for fpos in range(len(fields_names)):
fields_tree = fields_names[fpos]
if not fields_tree:
continue
value = record
i = 0
while i < len(fields_tree):
if not isinstance(value, ModelStorage):
break
field_name = fields_tree[i]
eModel = pool.get(value.__name__)
field = eModel._fields[field_name]
if field.states and 'invisible' in field.states:
pyson_invisible = PYSONEncoder().encode(
field.states['invisible'])
env = EvalEnvironment(value, eModel)
env.update(Transaction().context)
env['current_date'] = datetime.datetime.today()
env['time'] = time
env['context'] = Transaction().context
env['active_id'] = value.id
invisible = PYSONDecoder(env).decode(pyson_invisible)
if invisible:
value = ''
break
value = getattr(value, field_name)
if isinstance(value, (list, tuple)):
first = True
child_fields_names = [(x[:i + 1] == fields_tree[:i + 1] and
x[i + 1:]) or [] for x in fields_names]
if child_fields_names in done:
break
done.append(child_fields_names)
for child_record in value:
child_lines = ModelStorage.__export_row(child_record,
child_fields_names)
if first:
for child_fpos in xrange(len(fields_names)):
if child_lines and child_lines[0][child_fpos]:
data[child_fpos] = \
child_lines[0][child_fpos]
lines += child_lines[1:]
first = False
else:
lines += child_lines
break
i += 1
if i == len(fields_tree):
if value is None:
value = ''
elif isinstance(value, Model):
value = str(value)
data[fpos] = value
return [data] + lines
@classmethod
def export_data(cls, records, fields_names):
'''
Return list of list of values for each record.
The list of values follows fields_names.
Relational fields are defined with '/' at any depth.
'''
fields_names = [x.split('/') for x in fields_names]
data = []
for record in records:
data += cls.__export_row(record, fields_names)
return data
@classmethod
def import_data(cls, fields_names, data):
'''
Create records for all values in data.
The field names of values must be defined in fields_names.
It returns a tuple with
- the number of records imported
- the last values if failed
- the exception if failed
- the warning if failed
'''
pool = Pool()
def process_lines(data, prefix, fields_def, position=0):
def warn(msgname, *args):
msg = cls.raise_user_error(msgname, args,
raise_exception=False)
logger.warn(msg)
def get_selection(selection, value):
res = None
if not isinstance(selection, (tuple, list)):
selection = getattr(cls, selection)()
for key, _ in selection:
if str(key) == value:
res = key
break
if value and not res:
warn('not_found_in_selection', value, '/'.join(field))
return res
def get_many2one(relation, value):
if not value:
return None
Relation = pool.get(relation)
res = Relation.search([
('rec_name', '=', value),
], limit=2)
if len(res) < 1:
warn('relation_not_found', value, relation)
res = None
elif len(res) > 1:
warn('too_many_relations_found', value, relation)
res = None
else:
res = res[0].id
return res
def get_many2many(relation, value):
if not value:
return None
res = []
Relation = pool.get(relation)
for word in csv.reader(StringIO.StringIO(value), delimiter=',',
quoting=csv.QUOTE_NONE, escapechar='\\').next():
res2 = Relation.search([
('rec_name', '=', word),
], limit=2)
if len(res2) < 1:
warn('relation_not_found', word, relation)
elif len(res2) > 1:
warn('too_many_relations_found', word, relation)
else:
res.extend(res2)
if len(res):
res = [('set', [x.id for x in res])]
return res
def get_one2one(relation, value):
return ('set', get_many2one(relation, value))
def get_reference(value):
if not value:
return None
try:
relation, value = value.split(',', 1)
except Exception:
warn('reference_syntax_error', value, '/'.join(field))
return None
Relation = pool.get(relation)
res = Relation.search([
('rec_name', '=', value),
], limit=2)
if len(res) < 1:
warn('relation_not_found', value, relation)
res = None
elif len(res) > 1:
warn('too_many_relations_found', value, relation)
res = None
else:
res = '%s,%s' % (relation, res[0].id)
return res
def get_by_id(value):
if not value:
return None
relation = None
ftype = fields_def[field[-1][:-3]]['type']
if ftype == 'many2many':
value = csv.reader(StringIO.StringIO(value), delimiter=',',
quoting=csv.QUOTE_NONE, escapechar='\\').next()
elif ftype == 'reference':
try:
relation, value = value.split(',', 1)
except Exception:
warn('reference_syntax_error', value, '/'.join(field))
return None
value = [value]
else:
value = [value]
res_ids = []
for word in value:
try:
module, xml_id = word.rsplit('.', 1)
except Exception:
warn('xml_id_syntax_error', word, '/'.join(field))
continue
db_id = ModelData.get_id(module, xml_id)
res_ids.append(db_id)
if ftype == 'many2many' and res_ids:
return [('set', res_ids)]
elif ftype == 'reference' and res_ids:
return '%s,%s' % (relation, str(res_ids[0]))
return res_ids and res_ids[0] or False
line = data[position]
row = {}
translate = {}
todo = set()
prefix_len = len(prefix)
# Import normal fields_names
for i, field in enumerate(fields_names):
if i >= len(line):
raise Exception('ImportError',
'Please check that all your lines have %d cols.'
% len(fields_names))
is_prefix_len = (len(field) == (prefix_len + 1))
value = line[i]
if is_prefix_len and field[-1].endswith(':id'):
row[field[0][:-3]] = get_by_id(value)
elif is_prefix_len and ':lang=' in field[-1]:
field_name, lang = field[-1].split(':lang=')
translate.setdefault(lang, {})[field_name] = value or False
elif is_prefix_len and prefix == field[:-1]:
this_field_def = fields_def[field[-1]]
field_type = this_field_def['type']
res = None
if field_type == 'boolean':
if value.lower() == 'true':
res = True
elif value.lower() == 'false':
res = False
elif not value:
res = False
else:
res = bool(int(value))
elif field_type == 'integer':
res = int(value) if value else None
elif field_type == 'float':
res = float(value) if value else None
elif field_type == 'numeric':
res = Decimal(value) if value else None
elif field_type == 'date':
res = (datetime.date(
*time.strptime(value, '%Y-%m-%d')[:3])
if value else None)
elif field_type == 'datetime':
res = (datetime.datetime(
*time.strptime(value, '%Y-%m-%d %H:%M:%S')[:6])
if value else None)
elif field_type == 'selection':
res = get_selection(this_field_def['selection'], value)
elif field_type == 'many2one':
res = get_many2one(this_field_def['relation'], value)
elif field_type == 'many2many':
res = get_many2many(this_field_def['relation'], value)
elif field_type == 'one2one':
res = get_one2one(this_field_def['relation'], value)
elif field_type == 'reference':
res = get_reference(value)
else:
res = value or None
row[field[-1]] = res
elif prefix == field[0:prefix_len]:
todo.add(field[prefix_len])
# Import one2many fields
nbrmax = 1
for field in todo:
newfd = pool.get(fields_def[field]['relation']
).fields_get()
res = process_lines(data, prefix + [field], newfd,
position)
(newrow, max2, _) = res
nbrmax = max(nbrmax, max2)
reduce(lambda x, y: x and y, newrow)
row[field] = (reduce(lambda x, y: x or y, newrow.values()) and
[('create', [newrow])]) or []
i = max2
while (position + i) < len(data):
test = True
for j, field2 in enumerate(fields_names):
if (len(field2) <= (prefix_len + 1)
and data[position + i][j]):
test = False
break
if not test:
break
(newrow, max2, _) = \
process_lines(data, prefix + [field], newfd,
position + i)
if reduce(lambda x, y: x or y, newrow.values()):
row[field].append(('create', [newrow]))
i += max2
nbrmax = max(nbrmax, i)
if prefix_len == 0:
for i in xrange(max(nbrmax, 1)):
data.pop(0)
return (row, nbrmax, translate)
ModelData = pool.get('ir.model.data')
# logger for collecting warnings for the client
logger = logging.Logger("import")
warning_stream = StringIO.StringIO()
logger.addHandler(logging.StreamHandler(warning_stream))
len_fields_names = len(fields_names)
assert all(len(x) == len_fields_names for x in data)
fields_names = [x.split('/') for x in fields_names]
fields_def = cls.fields_get()
done = 0
warning = ''
while len(data):
res = {}
try:
(res, _, translate) = \
process_lines(data, [], fields_def)
warning = warning_stream.getvalue()
if warning:
# XXX should raise Exception
Transaction().cursor.rollback()
return (-1, res, warning, '')
new_id, = cls.create([res])
for lang in translate:
with Transaction().set_context(language=lang):
cls.write(new_id, translate[lang])
except Exception, exp:
logger = logging.getLogger('import')
logger.error(exp)
# XXX should raise Exception
Transaction().cursor.rollback()
tb_s = ''.join(traceback.format_exception(*sys.exc_info()))
warning = '%s\n%s' % (tb_s, warning)
return (-1, res, exp, warning)
done += 1
return (done, 0, 0, 0)
@classmethod
def check_xml_record(cls, records, values):
"""
Check if a list of records and their corresponding fields are
originating from xml data. This is used by write and delete
functions: if the return value is True the records can be
written/deleted, False otherwise. The default behaviour is to
forbid any modification on records/fields originating from
xml. Values is the dictionary of written values. If values is
equal to None, no field by field check is performed, False is
returned as soon as one of the record comes from the xml.
"""
ModelData = Pool().get('ir.model.data')
# Allow root user to update/delete
if Transaction().user == 0:
return True
with Transaction().set_user(0):
models_data = ModelData.search([
('model', '=', cls.__name__),
('db_id', 'in', map(int, records)),
])
if not models_data:
return True
if values is None:
return False
for model_data in models_data:
if not model_data.values:
continue
xml_values = safe_eval(model_data.values, {
'Decimal': Decimal,
'datetime': datetime,
})
for key, val in values.iteritems():
if key in xml_values and val != xml_values[key]:
return False
return True
@classmethod
def check_recursion(cls, records, parent='parent', rec_name='rec_name'):
'''
Function that checks if there is no recursion in the tree
composed with parent as parent field name.
'''
parent_type = cls._fields[parent]._type
if parent_type not in ('many2one', 'many2many', 'one2one'):
raise Exception(
'Unsupported field type "%s" for field "%s" on "%s"'
% (parent_type, parent, cls.__name__))
visited = set()
for record in records:
walked = set()
walker = getattr(record, parent)
while walker:
if parent_type == 'many2many':
for walk in walker:
walked.add(walk.id)
if walk.id == record.id:
parent_rec_name = ', '.join(getattr(r, rec_name)
for r in getattr(record, parent))
cls.raise_user_error('recursion_error', {
'rec_name': getattr(record, rec_name),
'parent_rec_name': parent_rec_name,
})
walker = list(chain(*(getattr(walk, parent)
for walk in walker if walk.id not in visited)))
else:
walked.add(walker.id)
if walker.id == record.id:
cls.raise_user_error('recursion_error', {
'rec_name': getattr(record, rec_name),
'parent_rec_name': getattr(getattr(record,
parent), rec_name)
})
walker = (getattr(walker, parent) not in visited
and getattr(walker, parent))
visited.update(walked)
@classmethod
def _get_error_args(cls, field_name):
pool = Pool()
ModelField = pool.get('ir.model.field')
error_args = (field_name, cls.__name__)
if ModelField:
model_fields = ModelField.search([
('name', '=', field_name),
('model.model', '=', cls.__name__),
], limit=1)
if model_fields:
model_field, = model_fields
error_args = (model_field.field_description,
model_field.model.name)
return error_args
@classmethod
def validate(cls, records):
pass
@classmethod
def _validate(cls, records):
pool = Pool()
# Ensure that records are readable
with Transaction().set_user(0, set_context=True):
records = cls.browse(records)
def call(name):
method = getattr(cls, name)
if not hasattr(method, 'im_self') or method.im_self:
return method(records)
else:
return all(method(r) for r in records)
for field in cls._constraints:
warnings.warn(
'_constraints is deprecated, override validate instead',
DeprecationWarning, stacklevel=2)
if not call(field[0]):
cls.raise_user_error(field[1])
if not 'res.user' in pool.object_name_list() \
or Transaction().user == 0:
ctx_pref = {
}
else:
User = pool.get('res.user')
ctx_pref = User.get_preferences(context_only=True)
def is_pyson(test):
if isinstance(test, PYSON):
return True
if isinstance(test, (list, tuple)):
for i in test:
if isinstance(i, PYSON):
return True
if isinstance(i, (list, tuple)):
if is_pyson(i):
return True
if isinstance(test, dict):
for key, value in test.items():
if isinstance(value, PYSON):
return True
if isinstance(value, (list, tuple, dict)):
if is_pyson(value):
return True
return False
ctx_pref['active_test'] = False
with Transaction().set_context(ctx_pref):
for field_name, field in cls._fields.iteritems():
if isinstance(field, fields.Function) and \
not field.setter:
continue
# validate domain
if (field._type in
('many2one', 'many2many', 'one2many', 'one2one')
and field.domain):
if field._type in ('many2one', 'one2many'):
Relation = pool.get(field.model_name)
else:
Relation = field.get_target()
if is_pyson(field.domain):
pyson_domain = PYSONEncoder().encode(field.domain)
for record in records:
env = EvalEnvironment(record, cls)
env.update(Transaction().context)
env['current_date'] = datetime.datetime.today()
env['time'] = time
env['context'] = Transaction().context
env['active_id'] = record.id
domain = PYSONDecoder(env).decode(pyson_domain)
relation_ids = []
if getattr(record, field_name):
if field._type in ('many2one', 'one2one'):
relation_ids.append(
getattr(record, field_name).id)
else:
relation_ids.extend(
[x.id for x in getattr(record,
field_name)])
if relation_ids and not Relation.search([
'AND',
[('id', 'in', relation_ids)],
domain,
]):
cls.raise_user_error(
'domain_validation_record',
error_args=cls._get_error_args(
field_name))
else:
relation_ids = []
for record in records:
if getattr(record, field_name):
if field._type in ('many2one', 'one2one'):
relation_ids.append(
getattr(record, field_name).id)
else:
relation_ids.extend(
[x.id for x in getattr(record,
field_name)])
if relation_ids:
finds = Relation.search([
'AND',
[('id', 'in', relation_ids)],
field.domain,
])
find_ids = map(int, finds)
if not set(relation_ids) == set(find_ids):
cls.raise_user_error(
'domain_validation_record',
error_args=cls._get_error_args(
field_name))
def required_test(value, field_name):
if (isinstance(value, (type(None), type(False), list,
tuple, basestring, dict))
and not value):
cls.raise_user_error('required_validation_record',
error_args=cls._get_error_args(field_name))
# validate states required
if field.states and 'required' in field.states:
if is_pyson(field.states['required']):
pyson_required = PYSONEncoder().encode(
field.states['required'])
for record in records:
env = EvalEnvironment(record, cls)
env.update(Transaction().context)
env['current_date'] = datetime.datetime.today()
env['time'] = time
env['context'] = Transaction().context
env['active_id'] = record.id
required = PYSONDecoder(env).decode(pyson_required)
if required:
required_test(getattr(record, field_name),
field_name)
else:
if field.states['required']:
for record in records:
required_test(getattr(record, field_name),
field_name)
# validate required
if field.required:
for record in records:
required_test(getattr(record, field_name), field_name)
# validate size
if hasattr(field, 'size') and field.size is not None:
for record in records:
if isinstance(field.size, PYSON):
pyson_size = PYSONEncoder().encode(field.size)
env = EvalEnvironment(record, cls)
env.update(Transaction().context)
env['current_date'] = datetime.datetime.today()
env['time'] = time
env['context'] = Transaction().context
env['active_id'] = record.id
field_size = PYSONDecoder(env).decode(pyson_size)
else:
field_size = field.size
if (len(getattr(record, field_name) or '')
> field_size >= 0):
cls.raise_user_error(
'size_validation_record',
error_args=cls._get_error_args(field_name))
def digits_test(value, digits, field_name):
def raise_user_error():
cls.raise_user_error('digits_validation_record',
error_args=cls._get_error_args(field_name))
if value is None:
return
if isinstance(value, Decimal):
if (value.quantize(Decimal(str(10.0 ** -digits[1])))
!= value):
raise_user_error()
elif CONFIG.options['db_type'] != 'mysql':
if not (round(value, digits[1]) == float(value)):
raise_user_error()
# validate digits
if hasattr(field, 'digits') and field.digits:
if is_pyson(field.digits):
pyson_digits = PYSONEncoder().encode(field.digits)
for record in records:
env = EvalEnvironment(record, cls)
env.update(Transaction().context)
env['current_date'] = datetime.datetime.today()
env['time'] = time
env['context'] = Transaction().context
env['active_id'] = record.id
digits = PYSONDecoder(env).decode(pyson_digits)
digits_test(getattr(record, field_name), digits,
field_name)
else:
for record in records:
digits_test(getattr(record, field_name),
field.digits, field_name)
# validate selection
if hasattr(field, 'selection') and field.selection:
if isinstance(field.selection, (tuple, list)):
test = set(dict(field.selection).keys())
for record in records:
value = getattr(record, field_name)
if field._type == 'reference':
if isinstance(value, ModelStorage):
value = value.__class__.__name__
elif value:
value, _ = value.split(',')
if not isinstance(field.selection, (tuple, list)):
sel_func = getattr(cls, field.selection)
if field.selection_change_with:
test = sel_func(record)
else:
test = sel_func()
test = set(dict(test))
# None and '' are equivalent
if '' in test or None in test:
test.add('')
test.add(None)
if value not in test:
cls.raise_user_error('selection_validation_record',
error_args=cls._get_error_args(field_name))
def format_test(value, format, field_name):
if not value:
return
if not isinstance(value, datetime.time):
value = value.time()
if value != datetime.datetime.strptime(
value.strftime(format), format).time():
cls.raise_user_error('time_format_validation_record',
error_args=cls._get_error_args(field_name))
# validate time format
if (field._type in ('datetime', 'time')
and field_name not in ('create_date', 'write_date')):
if is_pyson(field.format):
pyson_format = PYSONDecoder().encode(field.format)
for record in records:
env = EvalEnvironment(record, cls)
env.update(Transaction().context)
env['current_date'] = datetime.datetime.today()
env['time'] = time
env['context'] = Transaction().context
env['active_id'] = record.id
format = PYSONDecoder(env).decode(pyson_format)
format_test(getattr(record, field_name), format,
field_name)
else:
for record in records:
format_test(getattr(record, field_name),
field.format, field_name)
for record in records:
record.pre_validate()
cls.validate(records)
@classmethod
def _clean_defaults(cls, defaults):
pool = Pool()
vals = {}
for field in defaults.keys():
fld_def = cls._fields[field]
if fld_def._type in ('many2one', 'one2one'):
if isinstance(defaults[field], (list, tuple)):
vals[field] = defaults[field][0]
else:
vals[field] = defaults[field]
elif fld_def._type in ('one2many',):
obj = pool.get(fld_def.model_name)
vals[field] = []
for defaults2 in defaults[field]:
vals2 = obj._clean_defaults(defaults2)
vals[field].append(('create', [vals2]))
elif fld_def._type in ('many2many',):
vals[field] = [('set', defaults[field])]
elif fld_def._type in ('boolean',):
vals[field] = bool(defaults[field])
else:
vals[field] = defaults[field]
return vals
def __init__(self, id=None, **kwargs):
_ids = kwargs.pop('_ids', None)
_local_cache = kwargs.pop('_local_cache', None)
super(ModelStorage, self).__init__(id, **kwargs)
self._cursor = Transaction().cursor
self._user = Transaction().user
self._context = Transaction().context
if _ids is not None:
self._ids = _ids
assert id in _ids
else:
self._ids = [self.id]
self._cursor_cache = self._cursor.get_cache(self._context)
if _local_cache is not None:
self._local_cache = _local_cache
else:
self._local_cache = LRUDict(RECORD_CACHE_SIZE)
self._local_cache.counter = Transaction().counter
@property
def _cache(self):
cache = self._cursor_cache
if self.__name__ not in cache:
cache[self.__name__] = LRUDict(RECORD_CACHE_SIZE)
return cache[self.__name__]
def __getattr__(self, name):
try:
return super(ModelStorage, self).__getattr__(name)
except AttributeError:
if self.id < 0:
raise
counter = Transaction().counter
if self._local_cache.counter != counter:
self._local_cache.clear()
self._local_cache.counter = counter
# fetch the definition of the field
try:
field = self._fields[name]
except KeyError:
raise AttributeError('"%s" has no attribute "%s"' % (self, name))
try:
return self._local_cache[self.id][name]
except KeyError:
pass
try:
if field._type not in ('many2one', 'reference'):
return self._cache[self.id][name]
except KeyError:
pass
# build the list of fields we will fetch
ffields = {
name: field,
}
if field.loading == 'eager':
FieldAccess = Pool().get('ir.model.field.access')
fread_accesses = {}
fread_accesses.update(FieldAccess.check(self.__name__,
self._fields.keys(), 'read', access=True))
to_remove = set(x for x, y in fread_accesses.iteritems()
if not y and x != name)
threshold = BROWSE_FIELD_TRESHOLD
def not_cached(item):
fname, field = item
return (fname not in self._cache.get(self.id, {})
and fname not in self._local_cache.get(self.id, {}))
def to_load(item):
fname, field = item
return (field.loading == 'eager'
and fname not in to_remove)
def overrided(item):
fname, field = item
return fname in self._fields
ifields = ifilter(to_load,
ifilter(not_cached,
self._fields.iteritems()))
ifields = islice(ifields, 0, threshold)
ffields.update(ifields)
# add datetime_field
for field in ffields.values():
if hasattr(field, 'datetime_field') and field.datetime_field:
datetime_field = self._fields[field.datetime_field]
ffields[field.datetime_field] = datetime_field
def filter_(id_):
return (name not in self._cache.get(id_, {})
and name not in self._local_cache.get(id_, {}))
index = self._ids.index(self.id)
ids = chain(islice(self._ids, index, None),
islice(self._ids, 0, max(index - 1, 0)))
ids = islice(ifilter(filter_, ids), self._cursor.IN_MAX)
def instantiate(field, value, data):
if field._type in ('many2one', 'one2one', 'reference'):
if value is None or value is False:
return None
elif field._type in ('one2many', 'many2many'):
if not value:
return ()
try:
if field._type == 'reference':
model_name, record_id = value.split(',')
Model = Pool().get(model_name)
try:
value = int(record_id)
except ValueError:
return value
else:
Model = field.get_target()
except KeyError:
return value
ctx = {}
datetime_ = None
if getattr(field, 'datetime_field', None):
datetime_ = data.get(field.datetime_field)
ctx = {'_datetime': datetime_}
with Transaction().set_context(**ctx):
local_cache = model2cache.setdefault((Model, datetime_),
LRUDict(RECORD_CACHE_SIZE))
ids = model2ids.setdefault((Model, datetime_), [])
if field._type in ('many2one', 'one2one', 'reference'):
ids.append(value)
return Model(value, _ids=ids, _local_cache=local_cache)
elif field._type in ('one2many', 'many2many'):
ids.extend(value)
return tuple(Model(id, _ids=ids, _local_cache=local_cache)
for id in value)
model2ids = {}
model2cache = {}
# Read the data
with contextlib.nested(Transaction().set_cursor(self._cursor),
Transaction().set_user(self._user),
Transaction().set_context(self._context)):
if self.id in self._cache and name in self._cache[self.id]:
# Use values from cache
ids = islice(chain(islice(self._ids, index, None),
islice(self._ids, 0, max(index - 1, 0))),
self._cursor.IN_MAX)
ffields = {name: ffields[name]}
read_data = [{'id': i, name: self._cache[i][name]}
for i in ids
if i in self._cache and name in self._cache[i]]
else:
read_data = self.read(list(ids), ffields.keys())
# create browse records for 'remote' models
for data in read_data:
for fname, field in ffields.iteritems():
fvalue = data[fname]
if field._type in ('many2one', 'one2one', 'one2many',
'many2many', 'reference'):
fvalue = instantiate(field, data[fname], data)
if data['id'] == self.id and fname == name:
value = fvalue
if (field._type not in ('many2one', 'one2one', 'one2many',
'many2many', 'reference')
and not isinstance(field, fields.Function)):
continue
if data['id'] not in self._local_cache:
self._local_cache[data['id']] = {}
self._local_cache[data['id']][fname] = fvalue
if (field._type not in ('many2one', 'reference')
or getattr(field, 'datetime_field', None)
or isinstance(field, fields.Function)):
del data[fname]
if data['id'] not in self._cache:
self._cache[data['id']] = {}
self._cache[data['id']].update(data)
return value
@property
def _save_values(self):
values = {}
if not self._values:
return values
for fname, value in self._values.iteritems():
field = self._fields[fname]
if field._type in ('many2one', 'one2one', 'reference'):
if value:
if value.id < 0 and field._type != 'reference':
value.save()
if field._type == 'reference':
value = str(value)
else:
value = value.id
if field._type in ('one2many', 'many2many'):
targets = value
value = [
('set', []),
]
for target in targets:
if target.id < 0:
value.append(('create', [target._save_values]))
else:
value[0][1].append(target.id)
if target._save_values:
value.append(
('write', [target.id], target._save_values))
values[fname] = value
return values
def save(self):
save_values = self._save_values
values = self._values
self._values = None
if save_values or self.id < 0:
try:
with contextlib.nested(Transaction().set_cursor(self._cursor),
Transaction().set_user(self._user),
Transaction().set_context(self._context)):
if self.id < 0:
self._ids.remove(self.id)
try:
self.id = self.create([save_values])[0].id
finally:
self._ids.append(self.id)
else:
self.write([self], save_values)
except:
self._values = values
raise
class EvalEnvironment(dict):
def __init__(self, record, Model):
super(EvalEnvironment, self).__init__()
self._record = record
self._model = Model
def __getitem__(self, item):
if item.startswith('_parent_'):
field = item[8:]
model_name = self._model._fields[field].model_name
ParentModel = Pool().get(model_name)
return EvalEnvironment(getattr(self._record, field), ParentModel)
if item in self._model._fields:
value = getattr(self._record, item)
if isinstance(value, Model):
if self._model._fields[item]._type == 'reference':
return str(value)
return value.id
elif isinstance(value, (list, tuple)):
return [r.id for r in value]
else:
return value
return super(EvalEnvironment, self).__getitem__(item)
def __getattr__(self, item):
try:
return self.__getitem__(item)
except KeyError, exception:
raise AttributeError(*exception.args)
def get(self, item, default=None):
try:
return self.__getitem__(item)
except Exception:
pass
return super(EvalEnvironment, self).get(item, default)
def __nonzero__(self):
return bool(self._record)
|