1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # OpenERP, Open Source Management Solution
5 # Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
6 # Copyright (C) 2010-2013 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
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
46 from html2text import html2text
50 from config import config
53 # get_encodings, ustr and exception_to_unicode were originally from tools.misc.
54 # There are moved to loglevels until we refactor tools.
55 from openerp.loglevels import get_encodings, ustr, exception_to_unicode
57 _logger = logging.getLogger(__name__)
59 # List of etree._Element subclasses that we choose to ignore when parsing XML.
60 # We include the *Base ones just in case, currently they seem to be subclasses of the _* ones.
61 SKIPPED_ELEMENT_TYPES = (etree._Comment, etree._ProcessingInstruction, etree.CommentBase, etree.PIBase)
63 def find_in_path(name):
69 def find_pg_tool(name):
71 if config['pg_path'] and config['pg_path'] != 'None':
72 path = config['pg_path']
74 return which(name, path=path)
78 def exec_pg_command(name, *args):
79 prog = find_pg_tool(name)
81 raise Exception('Couldn\'t find %s' % name)
82 args2 = (prog,) + args
84 return subprocess.call(args2)
86 def exec_pg_command_pipe(name, *args):
87 prog = find_pg_tool(name)
89 raise Exception('Couldn\'t find %s' % name)
90 # on win32, passing close_fds=True is not compatible
91 # with redirecting std[in/err/out]
92 pop = subprocess.Popen((prog,) + args, bufsize= -1,
93 stdin=subprocess.PIPE, stdout=subprocess.PIPE,
94 close_fds=(os.name=="posix"))
95 return pop.stdin, pop.stdout
97 def exec_command_pipe(name, *args):
98 prog = find_in_path(name)
100 raise Exception('Couldn\'t find %s' % name)
101 # on win32, passing close_fds=True is not compatible
102 # with redirecting std[in/err/out]
103 pop = subprocess.Popen((prog,) + args, bufsize= -1,
104 stdin=subprocess.PIPE, stdout=subprocess.PIPE,
105 close_fds=(os.name=="posix"))
106 return pop.stdin, pop.stdout
108 #----------------------------------------------------------
110 #----------------------------------------------------------
111 #file_path_root = os.getcwd()
112 #file_path_addons = os.path.join(file_path_root, 'addons')
114 def file_open(name, mode="r", subdir='addons', pathinfo=False):
115 """Open a file from the OpenERP root, using a subdir folder.
119 >>> file_open('hr/report/timesheer.xsl')
120 >>> file_open('addons/hr/report/timesheet.xsl')
121 >>> file_open('../../base/report/rml_template.xsl', subdir='addons/hr/report', pathinfo=True)
123 @param name name of the file
124 @param mode file open mode
125 @param subdir subdirectory
126 @param pathinfo if True returns tuple (fileobject, filepath)
128 @return fileobject if pathinfo is False else (fileobject, filepath)
130 import openerp.modules as addons
131 adps = addons.module.ad_paths
132 rtp = os.path.normcase(os.path.abspath(config['root_path']))
136 if os.path.isabs(name):
137 # It is an absolute path
138 # Is it below 'addons_path' or 'root_path'?
139 name = os.path.normcase(os.path.normpath(name))
140 for root in adps + [rtp]:
141 root = os.path.normcase(os.path.normpath(root)) + os.sep
142 if name.startswith(root):
143 base = root.rstrip(os.sep)
144 name = name[len(base) + 1:]
147 # It is outside the OpenERP root: skip zipfile lookup.
148 base, name = os.path.split(name)
149 return _fileopen(name, mode=mode, basedir=base, pathinfo=pathinfo, basename=basename)
151 if name.replace(os.sep, '/').startswith('addons/'):
155 name = os.path.join(subdir, name)
156 if name.replace(os.sep, '/').startswith('addons/'):
162 # First, try to locate in addons_path
166 return _fileopen(name2, mode=mode, basedir=adp,
167 pathinfo=pathinfo, basename=basename)
171 # Second, try to locate in root_path
172 return _fileopen(name, mode=mode, basedir=rtp, pathinfo=pathinfo, basename=basename)
175 def _fileopen(path, mode, basedir, pathinfo, basename=None):
176 name = os.path.normpath(os.path.join(basedir, path))
180 # Give higher priority to module directories, which is
181 # a more common case than zipped modules.
182 if os.path.isfile(name):
183 fo = open(name, mode)
188 # Support for loading modules in zipped form.
189 # This will not work for zipped modules that are sitting
190 # outside of known addons paths.
191 head = os.path.normpath(path)
193 while os.sep in head:
194 head, tail = os.path.split(head)
198 zipname = os.path.join(tail, zipname)
201 zpath = os.path.join(basedir, head + '.zip')
202 if zipfile.is_zipfile(zpath):
203 from cStringIO import StringIO
204 zfile = zipfile.ZipFile(zpath)
207 fo.write(zfile.read(os.path.join(
208 os.path.basename(head), zipname).replace(
217 if name.endswith('.rml'):
218 raise IOError('Report %r doesn\'t exist or deleted' % basename)
219 raise IOError('File not found: %s' % basename)
222 #----------------------------------------------------------
224 #----------------------------------------------------------
226 """Flatten a list of elements into a uniqu list
227 Author: Christophe Simonis (christophe@tinyerp.com)
236 >>> flatten( [[], [[]]] )
238 >>> flatten( [[['a','b'], 'c'], 'd', ['e', [], 'f']] )
239 ['a', 'b', 'c', 'd', 'e', 'f']
240 >>> t = (1,2,(3,), [4, 5, [6, [7], (8, 9), ([10, 11, (12, 13)]), [14, [], (15,)], []]])
242 [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
246 return hasattr(x, "__iter__")
251 map(r.append, flatten(e))
256 def reverse_enumerate(l):
257 """Like enumerate but in the other sens
260 >>> a = ['a', 'b', 'c']
261 >>> it = reverse_enumerate(a)
269 Traceback (most recent call last):
270 File "<stdin>", line 1, in <module>
273 return izip(xrange(len(l)-1, -1, -1), reversed(l))
276 class UpdateableStr(local):
277 """ Class that stores an updateable string (used in wizards)
280 def __init__(self, string=''):
284 return str(self.string)
287 return str(self.string)
289 def __nonzero__(self):
290 return bool(self.string)
293 class UpdateableDict(local):
294 """Stores an updateable dict to use in wizards
297 def __init__(self, dict=None):
303 return str(self.dict)
306 return str(self.dict)
309 return self.dict.clear()
312 return self.dict.keys()
314 def __setitem__(self, i, y):
315 self.dict.__setitem__(i, y)
317 def __getitem__(self, i):
318 return self.dict.__getitem__(i)
321 return self.dict.copy()
324 return self.dict.iteritems()
327 return self.dict.iterkeys()
329 def itervalues(self):
330 return self.dict.itervalues()
332 def pop(self, k, d=None):
333 return self.dict.pop(k, d)
336 return self.dict.popitem()
338 def setdefault(self, k, d=None):
339 return self.dict.setdefault(k, d)
341 def update(self, E, **F):
342 return self.dict.update(E, F)
345 return self.dict.values()
347 def get(self, k, d=None):
348 return self.dict.get(k, d)
350 def has_key(self, k):
351 return self.dict.has_key(k)
354 return self.dict.items()
356 def __cmp__(self, y):
357 return self.dict.__cmp__(y)
359 def __contains__(self, k):
360 return self.dict.__contains__(k)
362 def __delitem__(self, y):
363 return self.dict.__delitem__(y)
366 return self.dict.__eq__(y)
369 return self.dict.__ge__(y)
372 return self.dict.__gt__(y)
375 return self.dict.__hash__()
378 return self.dict.__iter__()
381 return self.dict.__le__(y)
384 return self.dict.__len__()
387 return self.dict.__lt__(y)
390 return self.dict.__ne__(y)
392 class currency(float):
397 Don't use ! Use res.currency.round()
400 def __init__(self, value, accuracy=2, rounding=None):
402 rounding=10**-accuracy
403 self.rounding=rounding
404 self.accuracy=accuracy
406 def __new__(cls, value, accuracy=2, rounding=None):
407 return float.__new__(cls, round(value, accuracy))
410 # display_value = int(self*(10**(-self.accuracy))/self.rounding)*self.rounding/(10**(-self.accuracy))
411 # return str(display_value)
414 return s.replace('&','&').replace('<','<').replace('>','>')
416 def get_iso_codes(lang):
417 if lang.find('_') != -1:
418 if lang.split('_')[0] == lang.split('_')[1].lower():
419 lang = lang.split('_')[0]
423 'ab_RU': u'Abkhazian / аҧсуа',
424 'am_ET': u'Amharic / አምሃርኛ',
425 'ar_SY': u'Arabic / الْعَرَبيّة',
426 'bg_BG': u'Bulgarian / български език',
427 'bs_BS': u'Bosnian / bosanski jezik',
428 'ca_ES': u'Catalan / Català',
429 'cs_CZ': u'Czech / Čeština',
430 'da_DK': u'Danish / Dansk',
431 'de_DE': u'German / Deutsch',
432 'el_GR': u'Greek / Ελληνικά',
433 'en_CA': u'English (CA)',
434 'en_GB': u'English (UK)',
435 'en_US': u'English (US)',
436 'es_AR': u'Spanish (AR) / Español (AR)',
437 'es_BO': u'Spanish (BO) / Español (BO)',
438 'es_CL': u'Spanish (CL) / Español (CL)',
439 'es_CO': u'Spanish (CO) / Español (CO)',
440 'es_CR': u'Spanish (CR) / Español (CR)',
441 'es_DO': u'Spanish (DO) / Español (DO)',
442 'es_EC': u'Spanish (EC) / Español (EC)',
443 'es_ES': u'Spanish / Español',
444 'es_GT': u'Spanish (GT) / Español (GT)',
445 'es_HN': u'Spanish (HN) / Español (HN)',
446 'es_MX': u'Spanish (MX) / Español (MX)',
447 'es_NI': u'Spanish (NI) / Español (NI)',
448 'es_PA': u'Spanish (PA) / Español (PA)',
449 'es_PE': u'Spanish (PE) / Español (PE)',
450 'es_PR': u'Spanish (PR) / Español (PR)',
451 'es_PY': u'Spanish (PY) / Español (PY)',
452 'es_SV': u'Spanish (SV) / Español (SV)',
453 'es_UY': u'Spanish (UY) / Español (UY)',
454 'es_VE': u'Spanish (VE) / Español (VE)',
455 'et_EE': u'Estonian / Eesti keel',
456 'fa_IR': u'Persian / فارس',
457 'fi_FI': u'Finnish / Suomi',
458 'fr_BE': u'French (BE) / Français (BE)',
459 'fr_CH': u'French (CH) / Français (CH)',
460 'fr_FR': u'French / Français',
461 'gl_ES': u'Galician / Galego',
462 'gu_IN': u'Gujarati / ગુજરાતી',
463 'he_IL': u'Hebrew / עִבְרִי',
464 'hi_IN': u'Hindi / हिंदी',
465 'hr_HR': u'Croatian / hrvatski jezik',
466 'hu_HU': u'Hungarian / Magyar',
467 'id_ID': u'Indonesian / Bahasa Indonesia',
468 'it_IT': u'Italian / Italiano',
469 'iu_CA': u'Inuktitut / ᐃᓄᒃᑎᑐᑦ',
470 'ja_JP': u'Japanese / 日本語',
471 'ko_KP': u'Korean (KP) / 한국어 (KP)',
472 'ko_KR': u'Korean (KR) / 한국어 (KR)',
473 'lo_LA': u'Lao / ພາສາລາວ',
474 'lt_LT': u'Lithuanian / Lietuvių kalba',
475 'lv_LV': u'Latvian / latviešu valoda',
476 'ml_IN': u'Malayalam / മലയാളം',
477 'mn_MN': u'Mongolian / монгол',
478 'nb_NO': u'Norwegian Bokmål / Norsk bokmål',
479 'nl_NL': u'Dutch / Nederlands',
480 'nl_BE': u'Flemish (BE) / Vlaams (BE)',
481 'oc_FR': u'Occitan (FR, post 1500) / Occitan',
482 'pl_PL': u'Polish / Język polski',
483 'pt_BR': u'Portuguese (BR) / Português (BR)',
484 'pt_PT': u'Portuguese / Português',
485 'ro_RO': u'Romanian / română',
486 'ru_RU': u'Russian / русский язык',
487 'si_LK': u'Sinhalese / සිංහල',
488 'sl_SI': u'Slovenian / slovenščina',
489 'sk_SK': u'Slovak / Slovenský jazyk',
490 'sq_AL': u'Albanian / Shqip',
491 'sr_RS': u'Serbian (Cyrillic) / српски',
492 'sr@latin': u'Serbian (Latin) / srpski',
493 'sv_SE': u'Swedish / svenska',
494 'te_IN': u'Telugu / తెలుగు',
495 'tr_TR': u'Turkish / Türkçe',
496 'vi_VN': u'Vietnamese / Tiếng Việt',
497 'uk_UA': u'Ukrainian / українська',
498 'ur_PK': u'Urdu / اردو',
499 'zh_CN': u'Chinese (CN) / 简体中文',
500 'zh_HK': u'Chinese (HK)',
501 'zh_TW': u'Chinese (TW) / 正體字',
502 'th_TH': u'Thai / ภาษาไทย',
503 'tlh_TLH': u'Klingon',
506 def scan_languages():
507 """ Returns all languages supported by OpenERP for translation
509 :returns: a list of (lang_code, lang_name) pairs
510 :rtype: [(str, unicode)]
512 return sorted(ALL_LANGUAGES.iteritems(), key=lambda k: k[1])
514 def get_user_companies(cr, user):
515 def _get_company_children(cr, ids):
518 cr.execute('SELECT id FROM res_company WHERE parent_id IN %s', (tuple(ids),))
519 res = [x[0] for x in cr.fetchall()]
520 res.extend(_get_company_children(cr, res))
522 cr.execute('SELECT company_id FROM res_users WHERE id=%s', (user,))
523 user_comp = cr.fetchone()[0]
526 return [user_comp] + _get_company_children(cr, [user_comp])
530 Input number : account or invoice number
531 Output return: the same number completed with the recursive mod10
534 codec=[0,9,4,6,8,2,7,1,3,5]
540 report = codec[ (int(digit) + report) % 10 ]
541 return result + str((10 - report) % 10)
546 Return the size in a human readable format
550 units = ('bytes', 'Kb', 'Mb', 'Gb')
551 if isinstance(sz,basestring):
554 while s >= 1024 and i < len(units)-1:
557 return "%0.2f %s" % (s, units[i])
561 def wrapper(*args, **kwargs):
562 from pprint import pformat
564 vector = ['Call -> function: %r' % f]
565 for i, arg in enumerate(args):
566 vector.append(' arg %02d: %s' % (i, pformat(arg)))
567 for key, value in kwargs.items():
568 vector.append(' kwarg %10s: %s' % (key, pformat(value)))
571 res = f(*args, **kwargs)
573 vector.append(' result: %s' % pformat(res))
574 vector.append(' time delta: %s' % (time.time() - timeb4))
575 _logger.debug('\n'.join(vector))
580 class profile(object):
581 def __init__(self, fname=None):
584 def __call__(self, f):
586 def wrapper(*args, **kwargs):
587 profile = cProfile.Profile()
588 result = profile.runcall(f, *args, **kwargs)
589 profile.dump_stats(self.fname or ("%s.cprof" % (f.func_name,)))
594 __icons_list = ['STOCK_ABOUT', 'STOCK_ADD', 'STOCK_APPLY', 'STOCK_BOLD',
595 'STOCK_CANCEL', 'STOCK_CDROM', 'STOCK_CLEAR', 'STOCK_CLOSE', 'STOCK_COLOR_PICKER',
596 'STOCK_CONNECT', 'STOCK_CONVERT', 'STOCK_COPY', 'STOCK_CUT', 'STOCK_DELETE',
597 'STOCK_DIALOG_AUTHENTICATION', 'STOCK_DIALOG_ERROR', 'STOCK_DIALOG_INFO',
598 'STOCK_DIALOG_QUESTION', 'STOCK_DIALOG_WARNING', 'STOCK_DIRECTORY', 'STOCK_DISCONNECT',
599 'STOCK_DND', 'STOCK_DND_MULTIPLE', 'STOCK_EDIT', 'STOCK_EXECUTE', 'STOCK_FILE',
600 'STOCK_FIND', 'STOCK_FIND_AND_REPLACE', 'STOCK_FLOPPY', 'STOCK_GOTO_BOTTOM',
601 'STOCK_GOTO_FIRST', 'STOCK_GOTO_LAST', 'STOCK_GOTO_TOP', 'STOCK_GO_BACK',
602 'STOCK_GO_DOWN', 'STOCK_GO_FORWARD', 'STOCK_GO_UP', 'STOCK_HARDDISK',
603 'STOCK_HELP', 'STOCK_HOME', 'STOCK_INDENT', 'STOCK_INDEX', 'STOCK_ITALIC',
604 'STOCK_JUMP_TO', 'STOCK_JUSTIFY_CENTER', 'STOCK_JUSTIFY_FILL',
605 'STOCK_JUSTIFY_LEFT', 'STOCK_JUSTIFY_RIGHT', 'STOCK_MEDIA_FORWARD',
606 'STOCK_MEDIA_NEXT', 'STOCK_MEDIA_PAUSE', 'STOCK_MEDIA_PLAY',
607 'STOCK_MEDIA_PREVIOUS', 'STOCK_MEDIA_RECORD', 'STOCK_MEDIA_REWIND',
608 'STOCK_MEDIA_STOP', 'STOCK_MISSING_IMAGE', 'STOCK_NETWORK', 'STOCK_NEW',
609 'STOCK_NO', 'STOCK_OK', 'STOCK_OPEN', 'STOCK_PASTE', 'STOCK_PREFERENCES',
610 'STOCK_PRINT', 'STOCK_PRINT_PREVIEW', 'STOCK_PROPERTIES', 'STOCK_QUIT',
611 'STOCK_REDO', 'STOCK_REFRESH', 'STOCK_REMOVE', 'STOCK_REVERT_TO_SAVED',
612 'STOCK_SAVE', 'STOCK_SAVE_AS', 'STOCK_SELECT_COLOR', 'STOCK_SELECT_FONT',
613 'STOCK_SORT_ASCENDING', 'STOCK_SORT_DESCENDING', 'STOCK_SPELL_CHECK',
614 'STOCK_STOP', 'STOCK_STRIKETHROUGH', 'STOCK_UNDELETE', 'STOCK_UNDERLINE',
615 'STOCK_UNDO', 'STOCK_UNINDENT', 'STOCK_YES', 'STOCK_ZOOM_100',
616 'STOCK_ZOOM_FIT', 'STOCK_ZOOM_IN', 'STOCK_ZOOM_OUT',
617 'terp-account', 'terp-crm', 'terp-mrp', 'terp-product', 'terp-purchase',
618 'terp-sale', 'terp-tools', 'terp-administration', 'terp-hr', 'terp-partner',
619 'terp-project', 'terp-report', 'terp-stock', 'terp-calendar', 'terp-graph',
620 'terp-check','terp-go-month','terp-go-year','terp-go-today','terp-document-new','terp-camera_test',
621 'terp-emblem-important','terp-gtk-media-pause','terp-gtk-stop','terp-gnome-cpu-frequency-applet+',
622 'terp-dialog-close','terp-gtk-jump-to-rtl','terp-gtk-jump-to-ltr','terp-accessories-archiver',
623 'terp-stock_align_left_24','terp-stock_effects-object-colorize','terp-go-home','terp-gtk-go-back-rtl',
624 'terp-gtk-go-back-ltr','terp-personal','terp-personal-','terp-personal+','terp-accessories-archiver-minus',
625 'terp-accessories-archiver+','terp-stock_symbol-selection','terp-call-start','terp-dolar',
626 'terp-face-plain','terp-folder-blue','terp-folder-green','terp-folder-orange','terp-folder-yellow',
627 'terp-gdu-smart-failing','terp-go-week','terp-gtk-select-all','terp-locked','terp-mail-forward',
628 'terp-mail-message-new','terp-mail-replied','terp-rating-rated','terp-stage','terp-stock_format-scientific',
629 'terp-dolar_ok!','terp-idea','terp-stock_format-default','terp-mail-','terp-mail_delete'
634 return [(x, x) for x in __icons_list ]
636 def detect_ip_addr():
637 """Try a very crude method to figure out a valid external
638 IP or hostname for the current machine. Don't rely on this
639 for binding to an interface, but it could be used as basis
640 for constructing a remote URL to the server.
642 def _detect_ip_addr():
643 from array import array
644 from struct import pack, unpack
653 if not fcntl: # not UNIX:
654 host = socket.gethostname()
655 ip_addr = socket.gethostbyname(host)
657 # get all interfaces:
659 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
660 names = array('B', '\0' * nbytes)
661 #print 'names: ', names
662 outbytes = unpack('iL', fcntl.ioctl( s.fileno(), 0x8912, pack('iL', nbytes, names.buffer_info()[0])))[0]
663 namestr = names.tostring()
666 for i in range(0, outbytes, 40):
667 name = namestr[i:i+16].split('\0', 1)[0]
669 ip_addr = socket.inet_ntoa(namestr[i+20:i+24])
674 ifaces = filter(None, [namestr[i:i+32].split('\0', 1)[0] for i in range(0, outbytes, 32)])
676 for ifname in [iface for iface in ifaces if iface != 'lo']:
677 ip_addr = socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, pack('256s', ifname[:15]))[20:24])
680 return ip_addr or 'localhost'
683 ip_addr = _detect_ip_addr()
685 ip_addr = 'localhost'
688 # RATIONALE BEHIND TIMESTAMP CALCULATIONS AND TIMEZONE MANAGEMENT:
689 # The server side never does any timestamp calculation, always
690 # sends them in a naive (timezone agnostic) format supposed to be
691 # expressed within the server timezone, and expects the clients to
692 # provide timestamps in the server timezone as well.
693 # It stores all timestamps in the database in naive format as well,
694 # which also expresses the time in the server timezone.
695 # For this reason the server makes its timezone name available via the
696 # common/timezone_get() rpc method, which clients need to read
697 # to know the appropriate time offset to use when reading/writing
699 def get_win32_timezone():
700 """Attempt to return the "standard name" of the current timezone on a win32 system.
701 @return the standard name of the current win32 timezone, or False if it cannot be found.
704 if sys.platform == "win32":
707 hklm = _winreg.ConnectRegistry(None,_winreg.HKEY_LOCAL_MACHINE)
708 current_tz_key = _winreg.OpenKey(hklm, r"SYSTEM\CurrentControlSet\Control\TimeZoneInformation", 0,_winreg.KEY_ALL_ACCESS)
709 res = str(_winreg.QueryValueEx(current_tz_key,"StandardName")[0]) # [0] is value, [1] is type code
710 _winreg.CloseKey(current_tz_key)
711 _winreg.CloseKey(hklm)
716 def detect_server_timezone():
717 """Attempt to detect the timezone to use on the server side.
718 Defaults to UTC if no working timezone can be found.
719 @return the timezone identifier as expected by pytz.timezone.
724 _logger.warning("Python pytz module is not available. "
725 "Timezone will be set to UTC by default.")
728 # Option 1: the configuration option (did not exist before, so no backwards compatibility issue)
729 # 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
730 # Option 3: the environment variable TZ
731 sources = [ (config['timezone'], 'OpenERP configuration'),
732 (time.tzname[0], 'time.tzname'),
733 (os.environ.get('TZ',False),'TZ environment variable'), ]
734 # Option 4: OS-specific: /etc/timezone on Unix
735 if os.path.exists("/etc/timezone"):
738 f = open("/etc/timezone")
739 tz_value = f.read(128).strip()
744 sources.append((tz_value,"/etc/timezone file"))
745 # Option 5: timezone info from registry on Win32
746 if sys.platform == "win32":
747 # Timezone info is stored in windows registry.
748 # However this is not likely to work very well as the standard name
749 # of timezones in windows is rarely something that is known to pytz.
750 # But that's ok, it is always possible to use a config option to set
752 sources.append((get_win32_timezone(),"Windows Registry"))
754 for (value,source) in sources:
757 tz = pytz.timezone(value)
758 _logger.info("Using timezone %s obtained from %s.", tz.zone, source)
760 except pytz.UnknownTimeZoneError:
761 _logger.warning("The timezone specified in %s (%s) is invalid, ignoring it.", source, value)
763 _logger.warning("No valid timezone could be detected, using default UTC "
764 "timezone. You can specify it explicitly with option 'timezone' in "
765 "the server configuration.")
768 def get_server_timezone():
772 DEFAULT_SERVER_DATE_FORMAT = "%Y-%m-%d"
773 DEFAULT_SERVER_TIME_FORMAT = "%H:%M:%S"
774 DEFAULT_SERVER_DATETIME_FORMAT = "%s %s" % (
775 DEFAULT_SERVER_DATE_FORMAT,
776 DEFAULT_SERVER_TIME_FORMAT)
778 # Python's strftime supports only the format directives
779 # that are available on the platform's libc, so in order to
780 # be cross-platform we map to the directives required by
781 # the C standard (1989 version), always available on platforms
782 # with a C standard implementation.
783 DATETIME_FORMATS_MAP = {
785 '%D': '%m/%d/%Y', # modified %y->%Y
787 '%E': '', # special modifier
789 '%g': '%Y', # modified %y->%Y
795 '%O': '', # special modifier
799 '%s': '', #num of seconds since epoch
804 '%y': '%Y', # Even if %y works, it's ambiguous, so we should use %Y
805 '%+': '%Y-%m-%d %H:%M:%S',
807 # %Z is a special case that causes 2 problems at least:
808 # - the timezone names we use (in res_user.context_tz) come
809 # from pytz, but not all these names are recognized by
810 # strptime(), so we cannot convert in both directions
811 # when such a timezone is selected and %Z is in the format
812 # - %Z is replaced by an empty string in strftime() when
813 # there is not tzinfo in a datetime value (e.g when the user
814 # did not pick a context_tz). The resulting string does not
815 # parse back if the format requires %Z.
816 # As a consequence, we strip it completely from format strings.
817 # The user can always have a look at the context_tz in
818 # preferences to check the timezone.
823 def server_to_local_timestamp(src_tstamp_str, src_format, dst_format, dst_tz_name,
824 tz_offset=True, ignore_unparsable_time=True):
826 Convert a source timestamp string into a destination timestamp string, attempting to apply the
827 correct offset if both the server and local timezone are recognized, or no
828 offset at all if they aren't or if tz_offset is false (i.e. assuming they are both in the same TZ).
830 WARNING: This method is here to allow formatting dates correctly for inclusion in strings where
831 the client would not be able to format/offset it correctly. DO NOT use it for returning
832 date fields directly, these are supposed to be handled by the client!!
834 @param src_tstamp_str: the str value containing the timestamp in the server timezone.
835 @param src_format: the format to use when parsing the server timestamp.
836 @param dst_format: the format to use when formatting the resulting timestamp for the local/client timezone.
837 @param dst_tz_name: name of the destination timezone (such as the 'tz' value of the client context)
838 @param ignore_unparsable_time: if True, return False if src_tstamp_str cannot be parsed
839 using src_format or formatted using dst_format.
841 @return local/client formatted timestamp, expressed in the local/client timezone if possible
842 and if tz_offset is true, or src_tstamp_str if timezone offset could not be determined.
844 if not src_tstamp_str:
848 if src_format and dst_format:
849 # find out server timezone
850 server_tz = get_server_timezone()
852 # dt_value needs to be a datetime.datetime object (so no time.struct_time or mx.DateTime.DateTime here!)
853 dt_value = datetime.strptime(src_tstamp_str, src_format)
854 if tz_offset and dst_tz_name:
857 src_tz = pytz.timezone(server_tz)
858 dst_tz = pytz.timezone(dst_tz_name)
859 src_dt = src_tz.localize(dt_value, is_dst=True)
860 dt_value = src_dt.astimezone(dst_tz)
863 res = dt_value.strftime(dst_format)
865 # Normal ways to end up here are if strptime or strftime failed
866 if not ignore_unparsable_time:
871 def split_every(n, iterable, piece_maker=tuple):
872 """Splits an iterable into length-n pieces. The last piece will be shorter
873 if ``n`` does not evenly divide the iterable length.
874 @param ``piece_maker``: function to build the pieces
875 from the slices (tuple,list,...)
877 iterator = iter(iterable)
878 piece = piece_maker(islice(iterator, n))
881 piece = piece_maker(islice(iterator, n))
883 if __name__ == '__main__':
887 class upload_data_thread(threading.Thread):
888 def __init__(self, email, data, type):
889 self.args = [('email',email),('type',type),('data',data)]
890 super(upload_data_thread,self).__init__()
894 args = urllib.urlencode(self.args)
895 fp = urllib.urlopen('http://www.openerp.com/scripts/survey.php', args)
901 def upload_data(email, data, type='SURVEY'):
902 a = upload_data_thread(email, data, type)
906 def get_and_group_by_field(cr, uid, obj, ids, field, context=None):
907 """ Read the values of ``field´´ for the given ``ids´´ and group ids by value.
909 :param string field: name of the field we want to read and group by
910 :return: mapping of field values to the list of ids that have it
914 for record in obj.read(cr, uid, ids, [field], context=context):
916 res.setdefault(key[0] if isinstance(key, tuple) else key, []).append(record['id'])
919 def get_and_group_by_company(cr, uid, obj, ids, context=None):
920 return get_and_group_by_field(cr, uid, obj, ids, field='company_id', context=context)
922 # port of python 2.6's attrgetter with support for dotted notation
923 def resolve_attr(obj, attr):
924 for name in attr.split("."):
925 obj = getattr(obj, name)
928 def attrgetter(*items):
932 return resolve_attr(obj, attr)
935 return tuple(resolve_attr(obj, attr) for attr in items)
939 """A subclass of str that implements repr() without enclosing quotation marks
940 or escaping, keeping the original string untouched. The name come from Lisp's unquote.
941 One of the uses for this is to preserve or insert bare variable names within dicts during eval()
942 of a dict's repr(). Use with care.
944 Some examples (notice that there are never quotes surrounding
945 the ``active_id`` name:
947 >>> unquote('active_id')
949 >>> d = {'test': unquote('active_id')}
958 class UnquoteEvalContext(defaultdict):
959 """Defaultdict-based evaluation context that returns
960 an ``unquote`` string for any missing name used during
962 Mostly useful for evaluating OpenERP domains/contexts that
963 may refer to names that are unknown at the time of eval,
964 so that when the context/domain is converted back to a string,
965 the original names are preserved.
967 **Warning**: using an ``UnquoteEvalContext`` as context for ``eval()`` or
968 ``safe_eval()`` will shadow the builtins, which may cause other
969 failures, depending on what is evaluated.
971 Example (notice that ``section_id`` is preserved in the final
974 >>> context_str = "{'default_user_id': uid, 'default_section_id': section_id}"
975 >>> eval(context_str, UnquoteEvalContext(uid=1))
976 {'default_user_id': 1, 'default_section_id': section_id}
979 def __init__(self, *args, **kwargs):
980 super(UnquoteEvalContext, self).__init__(None, *args, **kwargs)
982 def __missing__(self, key):
986 class mute_logger(object):
987 """Temporary suppress the logging.
988 Can be used as context manager or decorator.
990 @mute_logger('openerp.plic.ploc')
994 with mute_logger('openerp.foo.bar'):
998 def __init__(self, *loggers):
999 self.loggers = loggers
1001 def filter(self, record):
1004 def __enter__(self):
1005 for logger in self.loggers:
1006 logging.getLogger(logger).addFilter(self)
1008 def __exit__(self, exc_type=None, exc_val=None, exc_tb=None):
1009 for logger in self.loggers:
1010 logging.getLogger(logger).removeFilter(self)
1012 def __call__(self, func):
1014 def deco(*args, **kwargs):
1016 return func(*args, **kwargs)
1020 class CountingStream(object):
1021 """ Stream wrapper counting the number of element it has yielded. Similar
1022 role to ``enumerate``, but for use when the iteration process of the stream
1023 isn't fully under caller control (the stream can be iterated from multiple
1024 points including within a library)
1026 ``start`` allows overriding the starting index (the index before the first
1029 On each iteration (call to :meth:`~.next`), increases its :attr:`~.index`
1032 .. attribute:: index
1034 ``int``, index of the last yielded element in the stream. If the stream
1035 has ended, will give an index 1-past the stream
1037 def __init__(self, stream, start=-1):
1038 self.stream = iter(stream)
1040 self.stopped = False
1044 if self.stopped: raise StopIteration()
1046 val = next(self.stream, _ph)
1049 raise StopIteration()
1052 def stripped_sys_argv(*strip_args):
1053 """Return sys.argv with some arguments stripped, suitable for reexecution or subprocesses"""
1054 strip_args = sorted(set(strip_args) | set(['-s', '--save', '-d', '--database', '-u', '--update', '-i', '--init']))
1055 assert all(config.parser.has_option(s) for s in strip_args)
1056 takes_value = dict((s, config.parser.get_option(s).takes_value()) for s in strip_args)
1058 longs, shorts = list(tuple(y) for _, y in groupby(strip_args, lambda x: x.startswith('--')))
1059 longs_eq = tuple(l + '=' for l in longs if takes_value[l])
1064 return args[i].startswith(shorts) \
1065 or args[i].startswith(longs_eq) or (args[i] in longs) \
1066 or (i >= 1 and (args[i - 1] in strip_args) and takes_value[args[i - 1]])
1068 return [x for i, x in enumerate(args) if not strip(args, i)]
1070 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: