1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # OpenERP, Open Source Management Solution
5 # Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
6 # Copyright (C) 2010-2014 OpenERP s.a. (<http://openerp.com>).
8 # This program is free software: you can redistribute it and/or modify
9 # it under the terms of the GNU Affero General Public License as
10 # published by the Free Software Foundation, either version 3 of the
11 # License, or (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU Affero General Public License for more details.
18 # You should have received a copy of the GNU Affero General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 ##############################################################################
25 Miscellaneous tools used by OpenERP.
28 from functools import wraps
38 from collections import defaultdict, Mapping
39 from datetime import datetime
40 from itertools import islice, izip, groupby
41 from lxml import etree
42 from which import which
43 from threading import local
47 from html2text import html2text
51 from config import config
55 # get_encodings, ustr and exception_to_unicode were originally from tools.misc.
56 # There are moved to loglevels until we refactor tools.
57 from openerp.loglevels import get_encodings, ustr, exception_to_unicode # noqa
59 _logger = logging.getLogger(__name__)
61 # List of etree._Element subclasses that we choose to ignore when parsing XML.
62 # We include the *Base ones just in case, currently they seem to be subclasses of the _* ones.
63 SKIPPED_ELEMENT_TYPES = (etree._Comment, etree._ProcessingInstruction, etree.CommentBase, etree.PIBase)
65 def find_in_path(name):
71 def find_pg_tool(name):
73 if config['pg_path'] and config['pg_path'] != 'None':
74 path = config['pg_path']
76 return which(name, path=path)
80 def exec_pg_command(name, *args):
81 prog = find_pg_tool(name)
83 raise Exception('Couldn\'t find %s' % name)
84 args2 = (prog,) + args
86 with open(os.devnull) as dn:
87 return subprocess.call(args2, stdout=dn, stderr=subprocess.STDOUT)
89 def exec_pg_command_pipe(name, *args):
90 prog = find_pg_tool(name)
92 raise Exception('Couldn\'t find %s' % name)
93 # on win32, passing close_fds=True is not compatible
94 # with redirecting std[in/err/out]
95 pop = subprocess.Popen((prog,) + args, bufsize= -1,
96 stdin=subprocess.PIPE, stdout=subprocess.PIPE,
97 close_fds=(os.name=="posix"))
98 return pop.stdin, pop.stdout
100 def exec_command_pipe(name, *args):
101 prog = find_in_path(name)
103 raise Exception('Couldn\'t find %s' % name)
104 # on win32, passing close_fds=True is not compatible
105 # with redirecting std[in/err/out]
106 pop = subprocess.Popen((prog,) + args, bufsize= -1,
107 stdin=subprocess.PIPE, stdout=subprocess.PIPE,
108 close_fds=(os.name=="posix"))
109 return pop.stdin, pop.stdout
111 #----------------------------------------------------------
113 #----------------------------------------------------------
114 #file_path_root = os.getcwd()
115 #file_path_addons = os.path.join(file_path_root, 'addons')
117 def file_open(name, mode="r", subdir='addons', pathinfo=False):
118 """Open a file from the OpenERP root, using a subdir folder.
122 >>> file_open('hr/report/timesheer.xsl')
123 >>> file_open('addons/hr/report/timesheet.xsl')
124 >>> file_open('../../base/report/rml_template.xsl', subdir='addons/hr/report', pathinfo=True)
126 @param name name of the file
127 @param mode file open mode
128 @param subdir subdirectory
129 @param pathinfo if True returns tuple (fileobject, filepath)
131 @return fileobject if pathinfo is False else (fileobject, filepath)
133 import openerp.modules as addons
134 adps = addons.module.ad_paths
135 rtp = os.path.normcase(os.path.abspath(config['root_path']))
139 if os.path.isabs(name):
140 # It is an absolute path
141 # Is it below 'addons_path' or 'root_path'?
142 name = os.path.normcase(os.path.normpath(name))
143 for root in adps + [rtp]:
144 root = os.path.normcase(os.path.normpath(root)) + os.sep
145 if name.startswith(root):
146 base = root.rstrip(os.sep)
147 name = name[len(base) + 1:]
150 # It is outside the OpenERP root: skip zipfile lookup.
151 base, name = os.path.split(name)
152 return _fileopen(name, mode=mode, basedir=base, pathinfo=pathinfo, basename=basename)
154 if name.replace(os.sep, '/').startswith('addons/'):
158 name = os.path.join(subdir, name)
159 if name.replace(os.sep, '/').startswith('addons/'):
165 # First, try to locate in addons_path
169 return _fileopen(name2, mode=mode, basedir=adp,
170 pathinfo=pathinfo, basename=basename)
174 # Second, try to locate in root_path
175 return _fileopen(name, mode=mode, basedir=rtp, pathinfo=pathinfo, basename=basename)
178 def _fileopen(path, mode, basedir, pathinfo, basename=None):
179 name = os.path.normpath(os.path.join(basedir, path))
183 # Give higher priority to module directories, which is
184 # a more common case than zipped modules.
185 if os.path.isfile(name):
186 fo = open(name, mode)
191 # Support for loading modules in zipped form.
192 # This will not work for zipped modules that are sitting
193 # outside of known addons paths.
194 head = os.path.normpath(path)
196 while os.sep in head:
197 head, tail = os.path.split(head)
201 zipname = os.path.join(tail, zipname)
204 zpath = os.path.join(basedir, head + '.zip')
205 if zipfile.is_zipfile(zpath):
206 from cStringIO import StringIO
207 zfile = zipfile.ZipFile(zpath)
210 fo.write(zfile.read(os.path.join(
211 os.path.basename(head), zipname).replace(
220 if name.endswith('.rml'):
221 raise IOError('Report %r doesn\'t exist or deleted' % basename)
222 raise IOError('File not found: %s' % basename)
225 #----------------------------------------------------------
227 #----------------------------------------------------------
229 """Flatten a list of elements into a uniqu list
230 Author: Christophe Simonis (christophe@tinyerp.com)
239 >>> flatten( [[], [[]]] )
241 >>> flatten( [[['a','b'], 'c'], 'd', ['e', [], 'f']] )
242 ['a', 'b', 'c', 'd', 'e', 'f']
243 >>> t = (1,2,(3,), [4, 5, [6, [7], (8, 9), ([10, 11, (12, 13)]), [14, [], (15,)], []]])
245 [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
249 return hasattr(x, "__iter__")
254 map(r.append, flatten(e))
259 def reverse_enumerate(l):
260 """Like enumerate but in the other sens
263 >>> a = ['a', 'b', 'c']
264 >>> it = reverse_enumerate(a)
272 Traceback (most recent call last):
273 File "<stdin>", line 1, in <module>
276 return izip(xrange(len(l)-1, -1, -1), reversed(l))
279 class UpdateableStr(local):
280 """ Class that stores an updateable string (used in wizards)
283 def __init__(self, string=''):
287 return str(self.string)
290 return str(self.string)
292 def __nonzero__(self):
293 return bool(self.string)
296 class UpdateableDict(local):
297 """Stores an updateable dict to use in wizards
300 def __init__(self, dict=None):
306 return str(self.dict)
309 return str(self.dict)
312 return self.dict.clear()
315 return self.dict.keys()
317 def __setitem__(self, i, y):
318 self.dict.__setitem__(i, y)
320 def __getitem__(self, i):
321 return self.dict.__getitem__(i)
324 return self.dict.copy()
327 return self.dict.iteritems()
330 return self.dict.iterkeys()
332 def itervalues(self):
333 return self.dict.itervalues()
335 def pop(self, k, d=None):
336 return self.dict.pop(k, d)
339 return self.dict.popitem()
341 def setdefault(self, k, d=None):
342 return self.dict.setdefault(k, d)
344 def update(self, E, **F):
345 return self.dict.update(E, F)
348 return self.dict.values()
350 def get(self, k, d=None):
351 return self.dict.get(k, d)
353 def has_key(self, k):
354 return self.dict.has_key(k)
357 return self.dict.items()
359 def __cmp__(self, y):
360 return self.dict.__cmp__(y)
362 def __contains__(self, k):
363 return self.dict.__contains__(k)
365 def __delitem__(self, y):
366 return self.dict.__delitem__(y)
369 return self.dict.__eq__(y)
372 return self.dict.__ge__(y)
375 return self.dict.__gt__(y)
378 return self.dict.__hash__()
381 return self.dict.__iter__()
384 return self.dict.__le__(y)
387 return self.dict.__len__()
390 return self.dict.__lt__(y)
393 return self.dict.__ne__(y)
395 class currency(float):
400 Don't use ! Use res.currency.round()
403 def __init__(self, value, accuracy=2, rounding=None):
405 rounding=10**-accuracy
406 self.rounding=rounding
407 self.accuracy=accuracy
409 def __new__(cls, value, accuracy=2, rounding=None):
410 return float.__new__(cls, round(value, accuracy))
413 # display_value = int(self*(10**(-self.accuracy))/self.rounding)*self.rounding/(10**(-self.accuracy))
414 # return str(display_value)
417 return s.replace('&','&').replace('<','<').replace('>','>')
419 def get_iso_codes(lang):
420 if lang.find('_') != -1:
421 if lang.split('_')[0] == lang.split('_')[1].lower():
422 lang = lang.split('_')[0]
426 'ab_RU': u'Abkhazian / аҧсуа',
427 'am_ET': u'Amharic / አምሃርኛ',
428 'ar_SY': u'Arabic / الْعَرَبيّة',
429 'bg_BG': u'Bulgarian / български език',
430 'bs_BS': u'Bosnian / bosanski jezik',
431 'ca_ES': u'Catalan / Català',
432 'cs_CZ': u'Czech / Čeština',
433 'da_DK': u'Danish / Dansk',
434 'de_DE': u'German / Deutsch',
435 'el_GR': u'Greek / Ελληνικά',
436 'en_CA': u'English (CA)',
437 'en_GB': u'English (UK)',
438 'en_US': u'English (US)',
439 'es_AR': u'Spanish (AR) / Español (AR)',
440 'es_BO': u'Spanish (BO) / Español (BO)',
441 'es_CL': u'Spanish (CL) / Español (CL)',
442 'es_CO': u'Spanish (CO) / Español (CO)',
443 'es_CR': u'Spanish (CR) / Español (CR)',
444 'es_DO': u'Spanish (DO) / Español (DO)',
445 'es_EC': u'Spanish (EC) / Español (EC)',
446 'es_ES': u'Spanish / Español',
447 'es_GT': u'Spanish (GT) / Español (GT)',
448 'es_HN': u'Spanish (HN) / Español (HN)',
449 'es_MX': u'Spanish (MX) / Español (MX)',
450 'es_NI': u'Spanish (NI) / Español (NI)',
451 'es_PA': u'Spanish (PA) / Español (PA)',
452 'es_PE': u'Spanish (PE) / Español (PE)',
453 'es_PR': u'Spanish (PR) / Español (PR)',
454 'es_PY': u'Spanish (PY) / Español (PY)',
455 'es_SV': u'Spanish (SV) / Español (SV)',
456 'es_UY': u'Spanish (UY) / Español (UY)',
457 'es_VE': u'Spanish (VE) / Español (VE)',
458 'et_EE': u'Estonian / Eesti keel',
459 'fa_IR': u'Persian / فارس',
460 'fi_FI': u'Finnish / Suomi',
461 'fr_BE': u'French (BE) / Français (BE)',
462 'fr_CA': u'French (CA) / Français (CA)',
463 'fr_CH': u'French (CH) / Français (CH)',
464 'fr_FR': u'French / Français',
465 'gl_ES': u'Galician / Galego',
466 'gu_IN': u'Gujarati / ગુજરાતી',
467 'he_IL': u'Hebrew / עִבְרִי',
468 'hi_IN': u'Hindi / हिंदी',
469 'hr_HR': u'Croatian / hrvatski jezik',
470 'hu_HU': u'Hungarian / Magyar',
471 'id_ID': u'Indonesian / Bahasa Indonesia',
472 'it_IT': u'Italian / Italiano',
473 'iu_CA': u'Inuktitut / ᐃᓄᒃᑎᑐᑦ',
474 'ja_JP': u'Japanese / 日本語',
475 'ko_KP': u'Korean (KP) / 한국어 (KP)',
476 'ko_KR': u'Korean (KR) / 한국어 (KR)',
477 'lo_LA': u'Lao / ພາສາລາວ',
478 'lt_LT': u'Lithuanian / Lietuvių kalba',
479 'lv_LV': u'Latvian / latviešu valoda',
480 'ml_IN': u'Malayalam / മലയാളം',
481 'mn_MN': u'Mongolian / монгол',
482 'nb_NO': u'Norwegian Bokmål / Norsk bokmål',
483 'nl_NL': u'Dutch / Nederlands',
484 'nl_BE': u'Flemish (BE) / Vlaams (BE)',
485 'oc_FR': u'Occitan (FR, post 1500) / Occitan',
486 'pl_PL': u'Polish / Język polski',
487 'pt_BR': u'Portuguese (BR) / Português (BR)',
488 'pt_PT': u'Portuguese / Português',
489 'ro_RO': u'Romanian / română',
490 'ru_RU': u'Russian / русский язык',
491 'si_LK': u'Sinhalese / සිංහල',
492 'sl_SI': u'Slovenian / slovenščina',
493 'sk_SK': u'Slovak / Slovenský jazyk',
494 'sq_AL': u'Albanian / Shqip',
495 'sr_RS': u'Serbian (Cyrillic) / српски',
496 'sr@latin': u'Serbian (Latin) / srpski',
497 'sv_SE': u'Swedish / svenska',
498 'te_IN': u'Telugu / తెలుగు',
499 'tr_TR': u'Turkish / Türkçe',
500 'vi_VN': u'Vietnamese / Tiếng Việt',
501 'uk_UA': u'Ukrainian / українська',
502 'ur_PK': u'Urdu / اردو',
503 'zh_CN': u'Chinese (CN) / 简体中文',
504 'zh_HK': u'Chinese (HK)',
505 'zh_TW': u'Chinese (TW) / 正體字',
506 'th_TH': u'Thai / ภาษาไทย',
507 'tlh_TLH': u'Klingon',
510 def scan_languages():
511 """ Returns all languages supported by OpenERP for translation
513 :returns: a list of (lang_code, lang_name) pairs
514 :rtype: [(str, unicode)]
516 return sorted(ALL_LANGUAGES.iteritems(), key=lambda k: k[1])
518 def get_user_companies(cr, user):
519 def _get_company_children(cr, ids):
522 cr.execute('SELECT id FROM res_company WHERE parent_id IN %s', (tuple(ids),))
523 res = [x[0] for x in cr.fetchall()]
524 res.extend(_get_company_children(cr, res))
526 cr.execute('SELECT company_id FROM res_users WHERE id=%s', (user,))
527 user_comp = cr.fetchone()[0]
530 return [user_comp] + _get_company_children(cr, [user_comp])
534 Input number : account or invoice number
535 Output return: the same number completed with the recursive mod10
538 codec=[0,9,4,6,8,2,7,1,3,5]
544 report = codec[ (int(digit) + report) % 10 ]
545 return result + str((10 - report) % 10)
550 Return the size in a human readable format
554 units = ('bytes', 'Kb', 'Mb', 'Gb')
555 if isinstance(sz,basestring):
558 while s >= 1024 and i < len(units)-1:
561 return "%0.2f %s" % (s, units[i])
565 def wrapper(*args, **kwargs):
566 from pprint import pformat
568 vector = ['Call -> function: %r' % f]
569 for i, arg in enumerate(args):
570 vector.append(' arg %02d: %s' % (i, pformat(arg)))
571 for key, value in kwargs.items():
572 vector.append(' kwarg %10s: %s' % (key, pformat(value)))
575 res = f(*args, **kwargs)
577 vector.append(' result: %s' % pformat(res))
578 vector.append(' time delta: %s' % (time.time() - timeb4))
579 _logger.debug('\n'.join(vector))
584 class profile(object):
585 def __init__(self, fname=None):
588 def __call__(self, f):
590 def wrapper(*args, **kwargs):
591 profile = cProfile.Profile()
592 result = profile.runcall(f, *args, **kwargs)
593 profile.dump_stats(self.fname or ("%s.cprof" % (f.func_name,)))
598 __icons_list = ['STOCK_ABOUT', 'STOCK_ADD', 'STOCK_APPLY', 'STOCK_BOLD',
599 'STOCK_CANCEL', 'STOCK_CDROM', 'STOCK_CLEAR', 'STOCK_CLOSE', 'STOCK_COLOR_PICKER',
600 'STOCK_CONNECT', 'STOCK_CONVERT', 'STOCK_COPY', 'STOCK_CUT', 'STOCK_DELETE',
601 'STOCK_DIALOG_AUTHENTICATION', 'STOCK_DIALOG_ERROR', 'STOCK_DIALOG_INFO',
602 'STOCK_DIALOG_QUESTION', 'STOCK_DIALOG_WARNING', 'STOCK_DIRECTORY', 'STOCK_DISCONNECT',
603 'STOCK_DND', 'STOCK_DND_MULTIPLE', 'STOCK_EDIT', 'STOCK_EXECUTE', 'STOCK_FILE',
604 'STOCK_FIND', 'STOCK_FIND_AND_REPLACE', 'STOCK_FLOPPY', 'STOCK_GOTO_BOTTOM',
605 'STOCK_GOTO_FIRST', 'STOCK_GOTO_LAST', 'STOCK_GOTO_TOP', 'STOCK_GO_BACK',
606 'STOCK_GO_DOWN', 'STOCK_GO_FORWARD', 'STOCK_GO_UP', 'STOCK_HARDDISK',
607 'STOCK_HELP', 'STOCK_HOME', 'STOCK_INDENT', 'STOCK_INDEX', 'STOCK_ITALIC',
608 'STOCK_JUMP_TO', 'STOCK_JUSTIFY_CENTER', 'STOCK_JUSTIFY_FILL',
609 'STOCK_JUSTIFY_LEFT', 'STOCK_JUSTIFY_RIGHT', 'STOCK_MEDIA_FORWARD',
610 'STOCK_MEDIA_NEXT', 'STOCK_MEDIA_PAUSE', 'STOCK_MEDIA_PLAY',
611 'STOCK_MEDIA_PREVIOUS', 'STOCK_MEDIA_RECORD', 'STOCK_MEDIA_REWIND',
612 'STOCK_MEDIA_STOP', 'STOCK_MISSING_IMAGE', 'STOCK_NETWORK', 'STOCK_NEW',
613 'STOCK_NO', 'STOCK_OK', 'STOCK_OPEN', 'STOCK_PASTE', 'STOCK_PREFERENCES',
614 'STOCK_PRINT', 'STOCK_PRINT_PREVIEW', 'STOCK_PROPERTIES', 'STOCK_QUIT',
615 'STOCK_REDO', 'STOCK_REFRESH', 'STOCK_REMOVE', 'STOCK_REVERT_TO_SAVED',
616 'STOCK_SAVE', 'STOCK_SAVE_AS', 'STOCK_SELECT_COLOR', 'STOCK_SELECT_FONT',
617 'STOCK_SORT_ASCENDING', 'STOCK_SORT_DESCENDING', 'STOCK_SPELL_CHECK',
618 'STOCK_STOP', 'STOCK_STRIKETHROUGH', 'STOCK_UNDELETE', 'STOCK_UNDERLINE',
619 'STOCK_UNDO', 'STOCK_UNINDENT', 'STOCK_YES', 'STOCK_ZOOM_100',
620 'STOCK_ZOOM_FIT', 'STOCK_ZOOM_IN', 'STOCK_ZOOM_OUT',
621 'terp-account', 'terp-crm', 'terp-mrp', 'terp-product', 'terp-purchase',
622 'terp-sale', 'terp-tools', 'terp-administration', 'terp-hr', 'terp-partner',
623 'terp-project', 'terp-report', 'terp-stock', 'terp-calendar', 'terp-graph',
624 'terp-check','terp-go-month','terp-go-year','terp-go-today','terp-document-new','terp-camera_test',
625 'terp-emblem-important','terp-gtk-media-pause','terp-gtk-stop','terp-gnome-cpu-frequency-applet+',
626 'terp-dialog-close','terp-gtk-jump-to-rtl','terp-gtk-jump-to-ltr','terp-accessories-archiver',
627 'terp-stock_align_left_24','terp-stock_effects-object-colorize','terp-go-home','terp-gtk-go-back-rtl',
628 'terp-gtk-go-back-ltr','terp-personal','terp-personal-','terp-personal+','terp-accessories-archiver-minus',
629 'terp-accessories-archiver+','terp-stock_symbol-selection','terp-call-start','terp-dolar',
630 'terp-face-plain','terp-folder-blue','terp-folder-green','terp-folder-orange','terp-folder-yellow',
631 'terp-gdu-smart-failing','terp-go-week','terp-gtk-select-all','terp-locked','terp-mail-forward',
632 'terp-mail-message-new','terp-mail-replied','terp-rating-rated','terp-stage','terp-stock_format-scientific',
633 'terp-dolar_ok!','terp-idea','terp-stock_format-default','terp-mail-','terp-mail_delete'
638 return [(x, x) for x in __icons_list ]
640 def detect_ip_addr():
641 """Try a very crude method to figure out a valid external
642 IP or hostname for the current machine. Don't rely on this
643 for binding to an interface, but it could be used as basis
644 for constructing a remote URL to the server.
646 def _detect_ip_addr():
647 from array import array
648 from struct import pack, unpack
657 if not fcntl: # not UNIX:
658 host = socket.gethostname()
659 ip_addr = socket.gethostbyname(host)
661 # get all interfaces:
663 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
664 names = array('B', '\0' * nbytes)
665 #print 'names: ', names
666 outbytes = unpack('iL', fcntl.ioctl( s.fileno(), 0x8912, pack('iL', nbytes, names.buffer_info()[0])))[0]
667 namestr = names.tostring()
670 for i in range(0, outbytes, 40):
671 name = namestr[i:i+16].split('\0', 1)[0]
673 ip_addr = socket.inet_ntoa(namestr[i+20:i+24])
678 ifaces = filter(None, [namestr[i:i+32].split('\0', 1)[0] for i in range(0, outbytes, 32)])
680 for ifname in [iface for iface in ifaces if iface != 'lo']:
681 ip_addr = socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, pack('256s', ifname[:15]))[20:24])
684 return ip_addr or 'localhost'
687 ip_addr = _detect_ip_addr()
689 ip_addr = 'localhost'
692 # RATIONALE BEHIND TIMESTAMP CALCULATIONS AND TIMEZONE MANAGEMENT:
693 # The server side never does any timestamp calculation, always
694 # sends them in a naive (timezone agnostic) format supposed to be
695 # expressed within the server timezone, and expects the clients to
696 # provide timestamps in the server timezone as well.
697 # It stores all timestamps in the database in naive format as well,
698 # which also expresses the time in the server timezone.
699 # For this reason the server makes its timezone name available via the
700 # common/timezone_get() rpc method, which clients need to read
701 # to know the appropriate time offset to use when reading/writing
703 def get_win32_timezone():
704 """Attempt to return the "standard name" of the current timezone on a win32 system.
705 @return the standard name of the current win32 timezone, or False if it cannot be found.
708 if sys.platform == "win32":
711 hklm = _winreg.ConnectRegistry(None,_winreg.HKEY_LOCAL_MACHINE)
712 current_tz_key = _winreg.OpenKey(hklm, r"SYSTEM\CurrentControlSet\Control\TimeZoneInformation", 0,_winreg.KEY_ALL_ACCESS)
713 res = str(_winreg.QueryValueEx(current_tz_key,"StandardName")[0]) # [0] is value, [1] is type code
714 _winreg.CloseKey(current_tz_key)
715 _winreg.CloseKey(hklm)
720 def detect_server_timezone():
721 """Attempt to detect the timezone to use on the server side.
722 Defaults to UTC if no working timezone can be found.
723 @return the timezone identifier as expected by pytz.timezone.
728 _logger.warning("Python pytz module is not available. "
729 "Timezone will be set to UTC by default.")
732 # Option 1: the configuration option (did not exist before, so no backwards compatibility issue)
733 # Option 2: to be backwards compatible with 5.0 or earlier, the value from time.tzname[0], but only if it is known to pytz
734 # Option 3: the environment variable TZ
735 sources = [ (config['timezone'], 'OpenERP configuration'),
736 (time.tzname[0], 'time.tzname'),
737 (os.environ.get('TZ',False),'TZ environment variable'), ]
738 # Option 4: OS-specific: /etc/timezone on Unix
739 if os.path.exists("/etc/timezone"):
742 f = open("/etc/timezone")
743 tz_value = f.read(128).strip()
748 sources.append((tz_value,"/etc/timezone file"))
749 # Option 5: timezone info from registry on Win32
750 if sys.platform == "win32":
751 # Timezone info is stored in windows registry.
752 # However this is not likely to work very well as the standard name
753 # of timezones in windows is rarely something that is known to pytz.
754 # But that's ok, it is always possible to use a config option to set
756 sources.append((get_win32_timezone(),"Windows Registry"))
758 for (value,source) in sources:
761 tz = pytz.timezone(value)
762 _logger.info("Using timezone %s obtained from %s.", tz.zone, source)
764 except pytz.UnknownTimeZoneError:
765 _logger.warning("The timezone specified in %s (%s) is invalid, ignoring it.", source, value)
767 _logger.warning("No valid timezone could be detected, using default UTC "
768 "timezone. You can specify it explicitly with option 'timezone' in "
769 "the server configuration.")
772 def get_server_timezone():
776 DEFAULT_SERVER_DATE_FORMAT = "%Y-%m-%d"
777 DEFAULT_SERVER_TIME_FORMAT = "%H:%M:%S"
778 DEFAULT_SERVER_DATETIME_FORMAT = "%s %s" % (
779 DEFAULT_SERVER_DATE_FORMAT,
780 DEFAULT_SERVER_TIME_FORMAT)
782 # Python's strftime supports only the format directives
783 # that are available on the platform's libc, so in order to
784 # be cross-platform we map to the directives required by
785 # the C standard (1989 version), always available on platforms
786 # with a C standard implementation.
787 DATETIME_FORMATS_MAP = {
789 '%D': '%m/%d/%Y', # modified %y->%Y
791 '%E': '', # special modifier
793 '%g': '%Y', # modified %y->%Y
799 '%O': '', # special modifier
803 '%s': '', #num of seconds since epoch
808 '%y': '%Y', # Even if %y works, it's ambiguous, so we should use %Y
809 '%+': '%Y-%m-%d %H:%M:%S',
811 # %Z is a special case that causes 2 problems at least:
812 # - the timezone names we use (in res_user.context_tz) come
813 # from pytz, but not all these names are recognized by
814 # strptime(), so we cannot convert in both directions
815 # when such a timezone is selected and %Z is in the format
816 # - %Z is replaced by an empty string in strftime() when
817 # there is not tzinfo in a datetime value (e.g when the user
818 # did not pick a context_tz). The resulting string does not
819 # parse back if the format requires %Z.
820 # As a consequence, we strip it completely from format strings.
821 # The user can always have a look at the context_tz in
822 # preferences to check the timezone.
846 # see comments above, and babel's format_datetime assumes an UTC timezone
847 # for naive datetime objects
852 def posix_to_ldml(fmt, locale):
853 """ Converts a posix/strftime pattern into an LDML date format pattern.
855 :param fmt: non-extended C89/C90 strftime pattern
856 :param locale: babel locale used for locale-specific conversions (e.g. %x and %X)
864 # LDML date format patterns uses letters, so letters must be quoted
865 if not pc and c.isalpha():
866 quoted.append(c if c != "'" else "''")
870 buf.append(''.join(quoted))
875 if c == '%': # escaped percent
877 elif c == 'x': # date format, short seems to match
878 buf.append(locale.date_formats['short'].pattern)
879 elif c == 'X': # time format, seems to include seconds. short does not
880 buf.append(locale.time_formats['medium'].pattern)
881 else: # look up format char in static mapping
882 buf.append(POSIX_TO_LDML[c])
889 # flush anything remaining in quoted buffer
892 buf.append(''.join(quoted))
897 def server_to_local_timestamp(src_tstamp_str, src_format, dst_format, dst_tz_name,
898 tz_offset=True, ignore_unparsable_time=True):
900 Convert a source timestamp string into a destination timestamp string, attempting to apply the
901 correct offset if both the server and local timezone are recognized, or no
902 offset at all if they aren't or if tz_offset is false (i.e. assuming they are both in the same TZ).
904 WARNING: This method is here to allow formatting dates correctly for inclusion in strings where
905 the client would not be able to format/offset it correctly. DO NOT use it for returning
906 date fields directly, these are supposed to be handled by the client!!
908 @param src_tstamp_str: the str value containing the timestamp in the server timezone.
909 @param src_format: the format to use when parsing the server timestamp.
910 @param dst_format: the format to use when formatting the resulting timestamp for the local/client timezone.
911 @param dst_tz_name: name of the destination timezone (such as the 'tz' value of the client context)
912 @param ignore_unparsable_time: if True, return False if src_tstamp_str cannot be parsed
913 using src_format or formatted using dst_format.
915 @return local/client formatted timestamp, expressed in the local/client timezone if possible
916 and if tz_offset is true, or src_tstamp_str if timezone offset could not be determined.
918 if not src_tstamp_str:
922 if src_format and dst_format:
923 # find out server timezone
924 server_tz = get_server_timezone()
926 # dt_value needs to be a datetime.datetime object (so no time.struct_time or mx.DateTime.DateTime here!)
927 dt_value = datetime.strptime(src_tstamp_str, src_format)
928 if tz_offset and dst_tz_name:
931 src_tz = pytz.timezone(server_tz)
932 dst_tz = pytz.timezone(dst_tz_name)
933 src_dt = src_tz.localize(dt_value, is_dst=True)
934 dt_value = src_dt.astimezone(dst_tz)
937 res = dt_value.strftime(dst_format)
939 # Normal ways to end up here are if strptime or strftime failed
940 if not ignore_unparsable_time:
945 def split_every(n, iterable, piece_maker=tuple):
946 """Splits an iterable into length-n pieces. The last piece will be shorter
947 if ``n`` does not evenly divide the iterable length.
948 @param ``piece_maker``: function to build the pieces
949 from the slices (tuple,list,...)
951 iterator = iter(iterable)
952 piece = piece_maker(islice(iterator, n))
955 piece = piece_maker(islice(iterator, n))
957 if __name__ == '__main__':
961 class upload_data_thread(threading.Thread):
962 def __init__(self, email, data, type):
963 self.args = [('email',email),('type',type),('data',data)]
964 super(upload_data_thread,self).__init__()
968 args = urllib.urlencode(self.args)
969 fp = urllib.urlopen('http://www.openerp.com/scripts/survey.php', args)
975 def upload_data(email, data, type='SURVEY'):
976 a = upload_data_thread(email, data, type)
980 def get_and_group_by_field(cr, uid, obj, ids, field, context=None):
981 """ Read the values of ``field´´ for the given ``ids´´ and group ids by value.
983 :param string field: name of the field we want to read and group by
984 :return: mapping of field values to the list of ids that have it
988 for record in obj.read(cr, uid, ids, [field], context=context):
990 res.setdefault(key[0] if isinstance(key, tuple) else key, []).append(record['id'])
993 def get_and_group_by_company(cr, uid, obj, ids, context=None):
994 return get_and_group_by_field(cr, uid, obj, ids, field='company_id', context=context)
996 # port of python 2.6's attrgetter with support for dotted notation
997 def resolve_attr(obj, attr):
998 for name in attr.split("."):
999 obj = getattr(obj, name)
1002 def attrgetter(*items):
1006 return resolve_attr(obj, attr)
1009 return tuple(resolve_attr(obj, attr) for attr in items)
1013 """A subclass of str that implements repr() without enclosing quotation marks
1014 or escaping, keeping the original string untouched. The name come from Lisp's unquote.
1015 One of the uses for this is to preserve or insert bare variable names within dicts during eval()
1016 of a dict's repr(). Use with care.
1018 Some examples (notice that there are never quotes surrounding
1019 the ``active_id`` name:
1021 >>> unquote('active_id')
1023 >>> d = {'test': unquote('active_id')}
1032 class UnquoteEvalContext(defaultdict):
1033 """Defaultdict-based evaluation context that returns
1034 an ``unquote`` string for any missing name used during
1036 Mostly useful for evaluating OpenERP domains/contexts that
1037 may refer to names that are unknown at the time of eval,
1038 so that when the context/domain is converted back to a string,
1039 the original names are preserved.
1041 **Warning**: using an ``UnquoteEvalContext`` as context for ``eval()`` or
1042 ``safe_eval()`` will shadow the builtins, which may cause other
1043 failures, depending on what is evaluated.
1045 Example (notice that ``section_id`` is preserved in the final
1048 >>> context_str = "{'default_user_id': uid, 'default_section_id': section_id}"
1049 >>> eval(context_str, UnquoteEvalContext(uid=1))
1050 {'default_user_id': 1, 'default_section_id': section_id}
1053 def __init__(self, *args, **kwargs):
1054 super(UnquoteEvalContext, self).__init__(None, *args, **kwargs)
1056 def __missing__(self, key):
1060 class mute_logger(object):
1061 """Temporary suppress the logging.
1062 Can be used as context manager or decorator.
1064 @mute_logger('openerp.plic.ploc')
1068 with mute_logger('openerp.foo.bar'):
1072 def __init__(self, *loggers):
1073 self.loggers = loggers
1075 def filter(self, record):
1078 def __enter__(self):
1079 for logger in self.loggers:
1080 assert isinstance(logger, basestring),\
1081 "A logger name must be a string, got %s" % type(logger)
1082 logging.getLogger(logger).addFilter(self)
1084 def __exit__(self, exc_type=None, exc_val=None, exc_tb=None):
1085 for logger in self.loggers:
1086 logging.getLogger(logger).removeFilter(self)
1088 def __call__(self, func):
1090 def deco(*args, **kwargs):
1092 return func(*args, **kwargs)
1096 class CountingStream(object):
1097 """ Stream wrapper counting the number of element it has yielded. Similar
1098 role to ``enumerate``, but for use when the iteration process of the stream
1099 isn't fully under caller control (the stream can be iterated from multiple
1100 points including within a library)
1102 ``start`` allows overriding the starting index (the index before the first
1105 On each iteration (call to :meth:`~.next`), increases its :attr:`~.index`
1108 .. attribute:: index
1110 ``int``, index of the last yielded element in the stream. If the stream
1111 has ended, will give an index 1-past the stream
1113 def __init__(self, stream, start=-1):
1114 self.stream = iter(stream)
1116 self.stopped = False
1120 if self.stopped: raise StopIteration()
1122 val = next(self.stream, _ph)
1125 raise StopIteration()
1128 def stripped_sys_argv(*strip_args):
1129 """Return sys.argv with some arguments stripped, suitable for reexecution or subprocesses"""
1130 strip_args = sorted(set(strip_args) | set(['-s', '--save', '-d', '--database', '-u', '--update', '-i', '--init']))
1131 assert all(config.parser.has_option(s) for s in strip_args)
1132 takes_value = dict((s, config.parser.get_option(s).takes_value()) for s in strip_args)
1134 longs, shorts = list(tuple(y) for _, y in groupby(strip_args, lambda x: x.startswith('--')))
1135 longs_eq = tuple(l + '=' for l in longs if takes_value[l])
1140 return args[i].startswith(shorts) \
1141 or args[i].startswith(longs_eq) or (args[i] in longs) \
1142 or (i >= 1 and (args[i - 1] in strip_args) and takes_value[args[i - 1]])
1144 return [x for i, x in enumerate(args) if not strip(args, i)]
1147 class ConstantMapping(Mapping):
1149 An immutable mapping returning the provided value for every single key.
1151 Useful for default value to methods
1153 __slots__ = ['_value']
1154 def __init__(self, val):
1159 defaultdict updates its length for each individually requested key, is
1166 same as len, defaultdict udpates its iterable keyset with each key
1167 requested, is there a point for this?
1171 def __getitem__(self, item):
1175 def dumpstacks(sig=None, frame=None):
1176 """ Signal handler: dump a stack trace for each existing thread."""
1179 def extract_stack(stack):
1180 for filename, lineno, name, line in traceback.extract_stack(stack):
1181 yield 'File: "%s", line %d, in %s' % (filename, lineno, name)
1183 yield " %s" % (line.strip(),)
1185 # code from http://stackoverflow.com/questions/132058/getting-stack-trace-from-a-running-python-application#answer-2569696
1186 # modified for python 2.5 compatibility
1187 threads_info = dict([(th.ident, {'name': th.name, 'uid': getattr(th, 'uid', 'n/a')})
1188 for th in threading.enumerate()])
1189 for threadId, stack in sys._current_frames().items():
1190 thread_info = threads_info.get(threadId)
1191 code.append("\n# Thread: %s (id:%s) (uid:%s)" %
1192 (thread_info and thread_info['name'] or 'n/a',
1194 thread_info and thread_info['uid'] or 'n/a'))
1195 for line in extract_stack(stack):
1199 # code from http://stackoverflow.com/questions/12510648/in-gevent-how-can-i-dump-stack-traces-of-all-running-greenlets
1201 from greenlet import greenlet
1202 for ob in gc.get_objects():
1203 if not isinstance(ob, greenlet) or not ob:
1205 code.append("\n# Greenlet: %r" % (ob,))
1206 for line in extract_stack(ob.gr_frame):
1209 _logger.info("\n".join(code))
1213 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: