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_CH': u'French (CH) / Français (CH)',
463 'fr_FR': u'French / Français',
464 'gl_ES': u'Galician / Galego',
465 'gu_IN': u'Gujarati / ગુજરાતી',
466 'he_IL': u'Hebrew / עִבְרִי',
467 'hi_IN': u'Hindi / हिंदी',
468 'hr_HR': u'Croatian / hrvatski jezik',
469 'hu_HU': u'Hungarian / Magyar',
470 'id_ID': u'Indonesian / Bahasa Indonesia',
471 'it_IT': u'Italian / Italiano',
472 'iu_CA': u'Inuktitut / ᐃᓄᒃᑎᑐᑦ',
473 'ja_JP': u'Japanese / 日本語',
474 'ko_KP': u'Korean (KP) / 한국어 (KP)',
475 'ko_KR': u'Korean (KR) / 한국어 (KR)',
476 'lo_LA': u'Lao / ພາສາລາວ',
477 'lt_LT': u'Lithuanian / Lietuvių kalba',
478 'lv_LV': u'Latvian / latviešu valoda',
479 'ml_IN': u'Malayalam / മലയാളം',
480 'mn_MN': u'Mongolian / монгол',
481 'nb_NO': u'Norwegian Bokmål / Norsk bokmål',
482 'nl_NL': u'Dutch / Nederlands',
483 'nl_BE': u'Flemish (BE) / Vlaams (BE)',
484 'oc_FR': u'Occitan (FR, post 1500) / Occitan',
485 'pl_PL': u'Polish / Język polski',
486 'pt_BR': u'Portuguese (BR) / Português (BR)',
487 'pt_PT': u'Portuguese / Português',
488 'ro_RO': u'Romanian / română',
489 'ru_RU': u'Russian / русский язык',
490 'si_LK': u'Sinhalese / සිංහල',
491 'sl_SI': u'Slovenian / slovenščina',
492 'sk_SK': u'Slovak / Slovenský jazyk',
493 'sq_AL': u'Albanian / Shqip',
494 'sr_RS': u'Serbian (Cyrillic) / српски',
495 'sr@latin': u'Serbian (Latin) / srpski',
496 'sv_SE': u'Swedish / svenska',
497 'te_IN': u'Telugu / తెలుగు',
498 'tr_TR': u'Turkish / Türkçe',
499 'vi_VN': u'Vietnamese / Tiếng Việt',
500 'uk_UA': u'Ukrainian / українська',
501 'ur_PK': u'Urdu / اردو',
502 'zh_CN': u'Chinese (CN) / 简体中文',
503 'zh_HK': u'Chinese (HK)',
504 'zh_TW': u'Chinese (TW) / 正體字',
505 'th_TH': u'Thai / ภาษาไทย',
506 'tlh_TLH': u'Klingon',
509 def scan_languages():
510 """ Returns all languages supported by OpenERP for translation
512 :returns: a list of (lang_code, lang_name) pairs
513 :rtype: [(str, unicode)]
515 return sorted(ALL_LANGUAGES.iteritems(), key=lambda k: k[1])
517 def get_user_companies(cr, user):
518 def _get_company_children(cr, ids):
521 cr.execute('SELECT id FROM res_company WHERE parent_id IN %s', (tuple(ids),))
522 res = [x[0] for x in cr.fetchall()]
523 res.extend(_get_company_children(cr, res))
525 cr.execute('SELECT company_id FROM res_users WHERE id=%s', (user,))
526 user_comp = cr.fetchone()[0]
529 return [user_comp] + _get_company_children(cr, [user_comp])
533 Input number : account or invoice number
534 Output return: the same number completed with the recursive mod10
537 codec=[0,9,4,6,8,2,7,1,3,5]
543 report = codec[ (int(digit) + report) % 10 ]
544 return result + str((10 - report) % 10)
549 Return the size in a human readable format
553 units = ('bytes', 'Kb', 'Mb', 'Gb')
554 if isinstance(sz,basestring):
557 while s >= 1024 and i < len(units)-1:
560 return "%0.2f %s" % (s, units[i])
564 def wrapper(*args, **kwargs):
565 from pprint import pformat
567 vector = ['Call -> function: %r' % f]
568 for i, arg in enumerate(args):
569 vector.append(' arg %02d: %s' % (i, pformat(arg)))
570 for key, value in kwargs.items():
571 vector.append(' kwarg %10s: %s' % (key, pformat(value)))
574 res = f(*args, **kwargs)
576 vector.append(' result: %s' % pformat(res))
577 vector.append(' time delta: %s' % (time.time() - timeb4))
578 _logger.debug('\n'.join(vector))
583 class profile(object):
584 def __init__(self, fname=None):
587 def __call__(self, f):
589 def wrapper(*args, **kwargs):
590 profile = cProfile.Profile()
591 result = profile.runcall(f, *args, **kwargs)
592 profile.dump_stats(self.fname or ("%s.cprof" % (f.func_name,)))
597 __icons_list = ['STOCK_ABOUT', 'STOCK_ADD', 'STOCK_APPLY', 'STOCK_BOLD',
598 'STOCK_CANCEL', 'STOCK_CDROM', 'STOCK_CLEAR', 'STOCK_CLOSE', 'STOCK_COLOR_PICKER',
599 'STOCK_CONNECT', 'STOCK_CONVERT', 'STOCK_COPY', 'STOCK_CUT', 'STOCK_DELETE',
600 'STOCK_DIALOG_AUTHENTICATION', 'STOCK_DIALOG_ERROR', 'STOCK_DIALOG_INFO',
601 'STOCK_DIALOG_QUESTION', 'STOCK_DIALOG_WARNING', 'STOCK_DIRECTORY', 'STOCK_DISCONNECT',
602 'STOCK_DND', 'STOCK_DND_MULTIPLE', 'STOCK_EDIT', 'STOCK_EXECUTE', 'STOCK_FILE',
603 'STOCK_FIND', 'STOCK_FIND_AND_REPLACE', 'STOCK_FLOPPY', 'STOCK_GOTO_BOTTOM',
604 'STOCK_GOTO_FIRST', 'STOCK_GOTO_LAST', 'STOCK_GOTO_TOP', 'STOCK_GO_BACK',
605 'STOCK_GO_DOWN', 'STOCK_GO_FORWARD', 'STOCK_GO_UP', 'STOCK_HARDDISK',
606 'STOCK_HELP', 'STOCK_HOME', 'STOCK_INDENT', 'STOCK_INDEX', 'STOCK_ITALIC',
607 'STOCK_JUMP_TO', 'STOCK_JUSTIFY_CENTER', 'STOCK_JUSTIFY_FILL',
608 'STOCK_JUSTIFY_LEFT', 'STOCK_JUSTIFY_RIGHT', 'STOCK_MEDIA_FORWARD',
609 'STOCK_MEDIA_NEXT', 'STOCK_MEDIA_PAUSE', 'STOCK_MEDIA_PLAY',
610 'STOCK_MEDIA_PREVIOUS', 'STOCK_MEDIA_RECORD', 'STOCK_MEDIA_REWIND',
611 'STOCK_MEDIA_STOP', 'STOCK_MISSING_IMAGE', 'STOCK_NETWORK', 'STOCK_NEW',
612 'STOCK_NO', 'STOCK_OK', 'STOCK_OPEN', 'STOCK_PASTE', 'STOCK_PREFERENCES',
613 'STOCK_PRINT', 'STOCK_PRINT_PREVIEW', 'STOCK_PROPERTIES', 'STOCK_QUIT',
614 'STOCK_REDO', 'STOCK_REFRESH', 'STOCK_REMOVE', 'STOCK_REVERT_TO_SAVED',
615 'STOCK_SAVE', 'STOCK_SAVE_AS', 'STOCK_SELECT_COLOR', 'STOCK_SELECT_FONT',
616 'STOCK_SORT_ASCENDING', 'STOCK_SORT_DESCENDING', 'STOCK_SPELL_CHECK',
617 'STOCK_STOP', 'STOCK_STRIKETHROUGH', 'STOCK_UNDELETE', 'STOCK_UNDERLINE',
618 'STOCK_UNDO', 'STOCK_UNINDENT', 'STOCK_YES', 'STOCK_ZOOM_100',
619 'STOCK_ZOOM_FIT', 'STOCK_ZOOM_IN', 'STOCK_ZOOM_OUT',
620 'terp-account', 'terp-crm', 'terp-mrp', 'terp-product', 'terp-purchase',
621 'terp-sale', 'terp-tools', 'terp-administration', 'terp-hr', 'terp-partner',
622 'terp-project', 'terp-report', 'terp-stock', 'terp-calendar', 'terp-graph',
623 'terp-check','terp-go-month','terp-go-year','terp-go-today','terp-document-new','terp-camera_test',
624 'terp-emblem-important','terp-gtk-media-pause','terp-gtk-stop','terp-gnome-cpu-frequency-applet+',
625 'terp-dialog-close','terp-gtk-jump-to-rtl','terp-gtk-jump-to-ltr','terp-accessories-archiver',
626 'terp-stock_align_left_24','terp-stock_effects-object-colorize','terp-go-home','terp-gtk-go-back-rtl',
627 'terp-gtk-go-back-ltr','terp-personal','terp-personal-','terp-personal+','terp-accessories-archiver-minus',
628 'terp-accessories-archiver+','terp-stock_symbol-selection','terp-call-start','terp-dolar',
629 'terp-face-plain','terp-folder-blue','terp-folder-green','terp-folder-orange','terp-folder-yellow',
630 'terp-gdu-smart-failing','terp-go-week','terp-gtk-select-all','terp-locked','terp-mail-forward',
631 'terp-mail-message-new','terp-mail-replied','terp-rating-rated','terp-stage','terp-stock_format-scientific',
632 'terp-dolar_ok!','terp-idea','terp-stock_format-default','terp-mail-','terp-mail_delete'
637 return [(x, x) for x in __icons_list ]
639 def detect_ip_addr():
640 """Try a very crude method to figure out a valid external
641 IP or hostname for the current machine. Don't rely on this
642 for binding to an interface, but it could be used as basis
643 for constructing a remote URL to the server.
645 def _detect_ip_addr():
646 from array import array
647 from struct import pack, unpack
656 if not fcntl: # not UNIX:
657 host = socket.gethostname()
658 ip_addr = socket.gethostbyname(host)
660 # get all interfaces:
662 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
663 names = array('B', '\0' * nbytes)
664 #print 'names: ', names
665 outbytes = unpack('iL', fcntl.ioctl( s.fileno(), 0x8912, pack('iL', nbytes, names.buffer_info()[0])))[0]
666 namestr = names.tostring()
669 for i in range(0, outbytes, 40):
670 name = namestr[i:i+16].split('\0', 1)[0]
672 ip_addr = socket.inet_ntoa(namestr[i+20:i+24])
677 ifaces = filter(None, [namestr[i:i+32].split('\0', 1)[0] for i in range(0, outbytes, 32)])
679 for ifname in [iface for iface in ifaces if iface != 'lo']:
680 ip_addr = socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, pack('256s', ifname[:15]))[20:24])
683 return ip_addr or 'localhost'
686 ip_addr = _detect_ip_addr()
688 ip_addr = 'localhost'
691 # RATIONALE BEHIND TIMESTAMP CALCULATIONS AND TIMEZONE MANAGEMENT:
692 # The server side never does any timestamp calculation, always
693 # sends them in a naive (timezone agnostic) format supposed to be
694 # expressed within the server timezone, and expects the clients to
695 # provide timestamps in the server timezone as well.
696 # It stores all timestamps in the database in naive format as well,
697 # which also expresses the time in the server timezone.
698 # For this reason the server makes its timezone name available via the
699 # common/timezone_get() rpc method, which clients need to read
700 # to know the appropriate time offset to use when reading/writing
702 def get_win32_timezone():
703 """Attempt to return the "standard name" of the current timezone on a win32 system.
704 @return the standard name of the current win32 timezone, or False if it cannot be found.
707 if sys.platform == "win32":
710 hklm = _winreg.ConnectRegistry(None,_winreg.HKEY_LOCAL_MACHINE)
711 current_tz_key = _winreg.OpenKey(hklm, r"SYSTEM\CurrentControlSet\Control\TimeZoneInformation", 0,_winreg.KEY_ALL_ACCESS)
712 res = str(_winreg.QueryValueEx(current_tz_key,"StandardName")[0]) # [0] is value, [1] is type code
713 _winreg.CloseKey(current_tz_key)
714 _winreg.CloseKey(hklm)
719 def detect_server_timezone():
720 """Attempt to detect the timezone to use on the server side.
721 Defaults to UTC if no working timezone can be found.
722 @return the timezone identifier as expected by pytz.timezone.
727 _logger.warning("Python pytz module is not available. "
728 "Timezone will be set to UTC by default.")
731 # Option 1: the configuration option (did not exist before, so no backwards compatibility issue)
732 # 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
733 # Option 3: the environment variable TZ
734 sources = [ (config['timezone'], 'OpenERP configuration'),
735 (time.tzname[0], 'time.tzname'),
736 (os.environ.get('TZ',False),'TZ environment variable'), ]
737 # Option 4: OS-specific: /etc/timezone on Unix
738 if os.path.exists("/etc/timezone"):
741 f = open("/etc/timezone")
742 tz_value = f.read(128).strip()
747 sources.append((tz_value,"/etc/timezone file"))
748 # Option 5: timezone info from registry on Win32
749 if sys.platform == "win32":
750 # Timezone info is stored in windows registry.
751 # However this is not likely to work very well as the standard name
752 # of timezones in windows is rarely something that is known to pytz.
753 # But that's ok, it is always possible to use a config option to set
755 sources.append((get_win32_timezone(),"Windows Registry"))
757 for (value,source) in sources:
760 tz = pytz.timezone(value)
761 _logger.info("Using timezone %s obtained from %s.", tz.zone, source)
763 except pytz.UnknownTimeZoneError:
764 _logger.warning("The timezone specified in %s (%s) is invalid, ignoring it.", source, value)
766 _logger.warning("No valid timezone could be detected, using default UTC "
767 "timezone. You can specify it explicitly with option 'timezone' in "
768 "the server configuration.")
771 def get_server_timezone():
775 DEFAULT_SERVER_DATE_FORMAT = "%Y-%m-%d"
776 DEFAULT_SERVER_TIME_FORMAT = "%H:%M:%S"
777 DEFAULT_SERVER_DATETIME_FORMAT = "%s %s" % (
778 DEFAULT_SERVER_DATE_FORMAT,
779 DEFAULT_SERVER_TIME_FORMAT)
781 # Python's strftime supports only the format directives
782 # that are available on the platform's libc, so in order to
783 # be cross-platform we map to the directives required by
784 # the C standard (1989 version), always available on platforms
785 # with a C standard implementation.
786 DATETIME_FORMATS_MAP = {
788 '%D': '%m/%d/%Y', # modified %y->%Y
790 '%E': '', # special modifier
792 '%g': '%Y', # modified %y->%Y
798 '%O': '', # special modifier
802 '%s': '', #num of seconds since epoch
807 '%y': '%Y', # Even if %y works, it's ambiguous, so we should use %Y
808 '%+': '%Y-%m-%d %H:%M:%S',
810 # %Z is a special case that causes 2 problems at least:
811 # - the timezone names we use (in res_user.context_tz) come
812 # from pytz, but not all these names are recognized by
813 # strptime(), so we cannot convert in both directions
814 # when such a timezone is selected and %Z is in the format
815 # - %Z is replaced by an empty string in strftime() when
816 # there is not tzinfo in a datetime value (e.g when the user
817 # did not pick a context_tz). The resulting string does not
818 # parse back if the format requires %Z.
819 # As a consequence, we strip it completely from format strings.
820 # The user can always have a look at the context_tz in
821 # preferences to check the timezone.
845 # see comments above, and babel's format_datetime assumes an UTC timezone
846 # for naive datetime objects
851 def posix_to_ldml(fmt, locale):
852 """ Converts a posix/strftime pattern into an LDML date format pattern.
854 :param fmt: non-extended C89/C90 strftime pattern
855 :param locale: babel locale used for locale-specific conversions (e.g. %x and %X)
863 # LDML date format patterns uses letters, so letters must be quoted
864 if not pc and c.isalpha():
865 quoted.append(c if c != "'" else "''")
869 buf.append(''.join(quoted))
874 if c == '%': # escaped percent
876 elif c == 'x': # date format, short seems to match
877 buf.append(locale.date_formats['short'].pattern)
878 elif c == 'X': # time format, seems to include seconds. short does not
879 buf.append(locale.time_formats['medium'].pattern)
880 else: # look up format char in static mapping
881 buf.append(POSIX_TO_LDML[c])
888 # flush anything remaining in quoted buffer
891 buf.append(''.join(quoted))
896 def server_to_local_timestamp(src_tstamp_str, src_format, dst_format, dst_tz_name,
897 tz_offset=True, ignore_unparsable_time=True):
899 Convert a source timestamp string into a destination timestamp string, attempting to apply the
900 correct offset if both the server and local timezone are recognized, or no
901 offset at all if they aren't or if tz_offset is false (i.e. assuming they are both in the same TZ).
903 WARNING: This method is here to allow formatting dates correctly for inclusion in strings where
904 the client would not be able to format/offset it correctly. DO NOT use it for returning
905 date fields directly, these are supposed to be handled by the client!!
907 @param src_tstamp_str: the str value containing the timestamp in the server timezone.
908 @param src_format: the format to use when parsing the server timestamp.
909 @param dst_format: the format to use when formatting the resulting timestamp for the local/client timezone.
910 @param dst_tz_name: name of the destination timezone (such as the 'tz' value of the client context)
911 @param ignore_unparsable_time: if True, return False if src_tstamp_str cannot be parsed
912 using src_format or formatted using dst_format.
914 @return local/client formatted timestamp, expressed in the local/client timezone if possible
915 and if tz_offset is true, or src_tstamp_str if timezone offset could not be determined.
917 if not src_tstamp_str:
921 if src_format and dst_format:
922 # find out server timezone
923 server_tz = get_server_timezone()
925 # dt_value needs to be a datetime.datetime object (so no time.struct_time or mx.DateTime.DateTime here!)
926 dt_value = datetime.strptime(src_tstamp_str, src_format)
927 if tz_offset and dst_tz_name:
930 src_tz = pytz.timezone(server_tz)
931 dst_tz = pytz.timezone(dst_tz_name)
932 src_dt = src_tz.localize(dt_value, is_dst=True)
933 dt_value = src_dt.astimezone(dst_tz)
936 res = dt_value.strftime(dst_format)
938 # Normal ways to end up here are if strptime or strftime failed
939 if not ignore_unparsable_time:
944 def split_every(n, iterable, piece_maker=tuple):
945 """Splits an iterable into length-n pieces. The last piece will be shorter
946 if ``n`` does not evenly divide the iterable length.
947 @param ``piece_maker``: function to build the pieces
948 from the slices (tuple,list,...)
950 iterator = iter(iterable)
951 piece = piece_maker(islice(iterator, n))
954 piece = piece_maker(islice(iterator, n))
956 if __name__ == '__main__':
960 class upload_data_thread(threading.Thread):
961 def __init__(self, email, data, type):
962 self.args = [('email',email),('type',type),('data',data)]
963 super(upload_data_thread,self).__init__()
967 args = urllib.urlencode(self.args)
968 fp = urllib.urlopen('http://www.openerp.com/scripts/survey.php', args)
974 def upload_data(email, data, type='SURVEY'):
975 a = upload_data_thread(email, data, type)
979 def get_and_group_by_field(cr, uid, obj, ids, field, context=None):
980 """ Read the values of ``field´´ for the given ``ids´´ and group ids by value.
982 :param string field: name of the field we want to read and group by
983 :return: mapping of field values to the list of ids that have it
987 for record in obj.read(cr, uid, ids, [field], context=context):
989 res.setdefault(key[0] if isinstance(key, tuple) else key, []).append(record['id'])
992 def get_and_group_by_company(cr, uid, obj, ids, context=None):
993 return get_and_group_by_field(cr, uid, obj, ids, field='company_id', context=context)
995 # port of python 2.6's attrgetter with support for dotted notation
996 def resolve_attr(obj, attr):
997 for name in attr.split("."):
998 obj = getattr(obj, name)
1001 def attrgetter(*items):
1005 return resolve_attr(obj, attr)
1008 return tuple(resolve_attr(obj, attr) for attr in items)
1012 """A subclass of str that implements repr() without enclosing quotation marks
1013 or escaping, keeping the original string untouched. The name come from Lisp's unquote.
1014 One of the uses for this is to preserve or insert bare variable names within dicts during eval()
1015 of a dict's repr(). Use with care.
1017 Some examples (notice that there are never quotes surrounding
1018 the ``active_id`` name:
1020 >>> unquote('active_id')
1022 >>> d = {'test': unquote('active_id')}
1031 class UnquoteEvalContext(defaultdict):
1032 """Defaultdict-based evaluation context that returns
1033 an ``unquote`` string for any missing name used during
1035 Mostly useful for evaluating OpenERP domains/contexts that
1036 may refer to names that are unknown at the time of eval,
1037 so that when the context/domain is converted back to a string,
1038 the original names are preserved.
1040 **Warning**: using an ``UnquoteEvalContext`` as context for ``eval()`` or
1041 ``safe_eval()`` will shadow the builtins, which may cause other
1042 failures, depending on what is evaluated.
1044 Example (notice that ``section_id`` is preserved in the final
1047 >>> context_str = "{'default_user_id': uid, 'default_section_id': section_id}"
1048 >>> eval(context_str, UnquoteEvalContext(uid=1))
1049 {'default_user_id': 1, 'default_section_id': section_id}
1052 def __init__(self, *args, **kwargs):
1053 super(UnquoteEvalContext, self).__init__(None, *args, **kwargs)
1055 def __missing__(self, key):
1059 class mute_logger(object):
1060 """Temporary suppress the logging.
1061 Can be used as context manager or decorator.
1063 @mute_logger('openerp.plic.ploc')
1067 with mute_logger('openerp.foo.bar'):
1071 def __init__(self, *loggers):
1072 self.loggers = loggers
1074 def filter(self, record):
1077 def __enter__(self):
1078 for logger in self.loggers:
1079 assert isinstance(logger, basestring),\
1080 "A logger name must be a string, got %s" % type(logger)
1081 logging.getLogger(logger).addFilter(self)
1083 def __exit__(self, exc_type=None, exc_val=None, exc_tb=None):
1084 for logger in self.loggers:
1085 logging.getLogger(logger).removeFilter(self)
1087 def __call__(self, func):
1089 def deco(*args, **kwargs):
1091 return func(*args, **kwargs)
1095 class CountingStream(object):
1096 """ Stream wrapper counting the number of element it has yielded. Similar
1097 role to ``enumerate``, but for use when the iteration process of the stream
1098 isn't fully under caller control (the stream can be iterated from multiple
1099 points including within a library)
1101 ``start`` allows overriding the starting index (the index before the first
1104 On each iteration (call to :meth:`~.next`), increases its :attr:`~.index`
1107 .. attribute:: index
1109 ``int``, index of the last yielded element in the stream. If the stream
1110 has ended, will give an index 1-past the stream
1112 def __init__(self, stream, start=-1):
1113 self.stream = iter(stream)
1115 self.stopped = False
1119 if self.stopped: raise StopIteration()
1121 val = next(self.stream, _ph)
1124 raise StopIteration()
1127 def stripped_sys_argv(*strip_args):
1128 """Return sys.argv with some arguments stripped, suitable for reexecution or subprocesses"""
1129 strip_args = sorted(set(strip_args) | set(['-s', '--save', '-d', '--database', '-u', '--update', '-i', '--init']))
1130 assert all(config.parser.has_option(s) for s in strip_args)
1131 takes_value = dict((s, config.parser.get_option(s).takes_value()) for s in strip_args)
1133 longs, shorts = list(tuple(y) for _, y in groupby(strip_args, lambda x: x.startswith('--')))
1134 longs_eq = tuple(l + '=' for l in longs if takes_value[l])
1139 return args[i].startswith(shorts) \
1140 or args[i].startswith(longs_eq) or (args[i] in longs) \
1141 or (i >= 1 and (args[i - 1] in strip_args) and takes_value[args[i - 1]])
1143 return [x for i, x in enumerate(args) if not strip(args, i)]
1146 class ConstantMapping(Mapping):
1148 An immutable mapping returning the provided value for every single key.
1150 Useful for default value to methods
1152 __slots__ = ['_value']
1153 def __init__(self, val):
1158 defaultdict updates its length for each individually requested key, is
1165 same as len, defaultdict udpates its iterable keyset with each key
1166 requested, is there a point for this?
1170 def __getitem__(self, item):
1174 def dumpstacks(sig, frame):
1175 """ Signal handler: dump a stack trace for each existing thread."""
1178 def extract_stack(stack):
1179 for filename, lineno, name, line in traceback.extract_stack(stack):
1180 yield 'File: "%s", line %d, in %s' % (filename, lineno, name)
1182 yield " %s" % (line.strip(),)
1184 # code from http://stackoverflow.com/questions/132058/getting-stack-trace-from-a-running-python-application#answer-2569696
1185 # modified for python 2.5 compatibility
1186 threads_info = dict([(th.ident, {'name': th.name, 'uid': getattr(th, 'uid', 'n/a')})
1187 for th in threading.enumerate()])
1188 for threadId, stack in sys._current_frames().items():
1189 thread_info = threads_info.get(threadId)
1190 code.append("\n# Thread: %s (id:%s) (uid:%s)" %
1191 (thread_info and thread_info['name'] or 'n/a',
1193 thread_info and thread_info['uid'] or 'n/a'))
1194 for line in extract_stack(stack):
1198 # code from http://stackoverflow.com/questions/12510648/in-gevent-how-can-i-dump-stack-traces-of-all-running-greenlets
1200 from greenlet import greenlet
1201 for ob in gc.get_objects():
1202 if not isinstance(ob, greenlet) or not ob:
1204 code.append("\n# Greenlet: %r" % (ob,))
1205 for line in extract_stack(ob.gr_frame):
1208 _logger.info("\n".join(code))
1212 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: