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###############################################################################
#
# Copyright (C) 2007-TODAY OpenERP SA. All Rights Reserved.
#
# $Id$
#
# Developed by OpenERP (http://openerp.com) and Axelor (http://axelor.com).
#
# The OpenERP web client is distributed under the "OpenERP Public License".
# It's based on Mozilla Public License Version (MPL) 1.1 with following
# restrictions:
#
# - All names, links and logos of OpenERP must be kept as in original
# distribution without any changes in all software screens, especially
# in start-up page and the software header, even if the application
# source code has been changed or updated or code has been added.
#
# You can see the MPL licence at: http://www.mozilla.org/MPL/MPL-1.1.html
#
###############################################################################
import datetime as DT
import re
import time
import cherrypy
import pytz
from babel import dates, numbers
from openobject.i18n.utils import get_locale
#from openerp.utils import cache
#from openerp.utils import rpc
__all__ = ['DT_SERVER_FORMATS', 'get_datetime_format',
'format_datetime', 'parse_datetime',
'format_decimal', 'parse_decimal',
'tz_convert'
]
DT_SERVER_FORMATS = {
'datetime' : '%Y-%m-%d %H:%M:%S',
'date' : '%Y-%m-%d',
'time' : '%H:%M:%S'
}
__pat = re.compile("%\(([dMy]+)\)s")
__sub = {'d': '%d', 'M': '%m', 'y': '%Y'}
def _to_posix_format(format):
"""Convert LDML format string to posix format string.
"""
return __pat.sub(lambda m: __sub[m.group(1)[0]], format)
def format_date_custom(dt, fmt="y-M-d"):
return dates.format_date(dt, format=fmt, locale=get_locale())
def get_datetime_format(kind="datetime"):
"""Get local datetime format.
@param kind: type (date, time or datetime)
@return: string
@todo: cache formats to improve performance.
"""
if 'lang' in cherrypy.session:
# server-defined formatting
if kind == 'time':
return cherrypy.session['lang']['time_format']
elif kind == 'date':
return cherrypy.session['lang']['date_format']
else:
return "%(date_format)s %(time_format)s"% cherrypy.session['lang']
# TODO: correctly convert from LDML to POSIX datetime formatting
# current converter is trivial and lame and probably very easy to break
date_format = _to_posix_format(dates.get_date_format(
format='short', locale=get_locale())).format
if kind == 'time':
# Should use dates.get_time_format(locale=get_locale())
return '%H:%M:%S'
elif kind == 'date':
return date_format
else:
# Should use dates.get_datetime_format, but that one returns
# a 2.6-style formats
return "%s %s" % (date_format, '%H:%M:%S')
def tz_convert(struct_time, action):
# if no client timezone is configured, consider the client is in the same
# timezone as the server
lzone = pytz.timezone(cherrypy.session['client_timezone']
or cherrypy.session['remote_timezone'])
szone = pytz.timezone(cherrypy.session['remote_timezone'])
dt = DT.datetime.fromtimestamp(time.mktime(struct_time))
if action == 'parse':
fromzone = lzone
tozone = szone
elif action == 'format':
fromzone = szone
tozone = lzone
else:
raise Exception("_tz_convert action should be 'parse' or 'format'. Not '%s'" % (action, ))
localized_original_datetime = fromzone.localize(dt, is_dst=True)
destination_datetime = localized_original_datetime.astimezone(tozone)
return destination_datetime.timetuple()
def format_datetime(value, kind="datetime", as_timetuple=False):
"""Convert date value to the local datetime considering timezone info.
@param value: the date value
@param kind: type of the date value (date, time or datetime)
@param as_timetuple: return timetuple
@type value: basestring or time.time_tuple)
@return: string or timetuple
"""
server_format = DT_SERVER_FORMATS[kind]
local_format = get_datetime_format(kind)
if not value:
return ''
if isinstance(value, (time.struct_time, tuple)):
value = time.strftime(server_format, value)
if isinstance(value, DT.datetime):
value = ustr(value)
try:
value = DT.datetime.strptime(value[:10], server_format)
return value.strftime(local_format)
except:
return ''
value = value.strip()
# remove trailing miliseconds
value = re.sub("(.*?)(\s+\d{2}:\d{2}:\d{2})(\.\d+)?$", "\g<1>\g<2>", value)
# add time part in value if missing
if kind == 'datetime' and not re.search('\s+\d{2}:\d{2}:\d{2}?$', value):
value += ' 00:00:00'
# remove time part from value
elif kind == 'date':
value = re.sub('\s+\d{2}:\d{2}:\d{2}(\.\d+)?$', '', value)
value = time.strptime(value, server_format)
if kind == "datetime":
try:
value = tz_convert(value, 'format')
except Exception:
cherrypy.log.error("Error in timezone formatting:\n", traceback=True)
if as_timetuple:
return value
return time.strftime(local_format, value)
def parse_datetime(value, kind="datetime", as_timetuple=False):
"""Convert date value to the server datetime considering timezone info.
@param value: the date value
@param kind: type of the date value (date, time or datetime)
@param as_timetuple: return timetuple
@type value: basestring or time.time_tuple)
@return: string or timetuple
"""
server_format = DT_SERVER_FORMATS[kind]
local_format = get_datetime_format(kind)
if not value:
return False
if isinstance(value, (time.struct_time, tuple)):
value = time.strftime(local_format, value)
try:
value = time.strptime(value, local_format)
except ValueError:
try:
# might be in server format already (e.g. filter domain)
value = time.strptime(value, server_format)
except ValueError:
try:
dt = list(time.localtime())
dt[2] = int(value)
value = tuple(dt)
except:
return False
if kind == "datetime":
try:
value = tz_convert(value, 'parse')
except Exception:
cherrypy.log.error("Error in timezone parsing:\n", traceback=True)
if as_timetuple:
return value
return time.strftime(server_format, value)
def convert_date_format_in_domain(domain, fields, context):
try:
return _convert_date_format_in_domain(domain, fields, context)
except Exception, e:
cherrypy.log.error("Error in convert_date_format_in_domain:\n", traceback=True)
return domain
def _convert_date_format_in_domain(domain, fields, context):
from view_calendar.widgets.utils import DT_FORMAT_INFO
from openerp.utils import rpc
date_fields = dict([(field_name, field_def['type'])
for field_name, field_def
in fields.items()
if field_def['type'] in ['date', 'datetime', 'time']])
if 'lang' not in cherrypy.session:
return domain
lang_def = cherrypy.session['lang']
fixed_domain = []
# not supported on all systems: %C %D %e %F %g %G %h %l %P %r %R %s %T %u %V %z
time_format_convert_map = {
'%D': '%m/%d/%y',
'%e': '%d',
'%F': '%Y-%m-%d',
'%g': '%y',
'%h': '%b',
'%l': '%I',
'%P': '%p',
'%R': '%H:%M',
'%r': '%I:%M:%S %p',
'%T': '%H:%M:%S',
'%z': '%Z',
}
for item in domain:
if len(item) != 3:
fixed_domain.append(item)
else:
key, op, val = item
if key in date_fields:
dtype = date_fields[key]
if dtype == 'date':
user_dformat = lang_def['date_format']
server_dformat = DT_FORMAT_INFO['date'][0]
elif dtype == 'time':
user_dformat = lang_def['time_format']
server_dformat = DT_FORMAT_INFO['time'][0]
elif dtype == 'datetime':
user_dformat = lang_def['date_format'] + ' ' + lang_def['time_format']
server_dformat = DT_FORMAT_INFO['datetime'][0]
ok = True
for k, v in time_format_convert_map.items():
if k in user_dformat:
user_dformat = user_dformat.replace(k, v)
if re.findall(r'%[CGsuV]', user_dformat):
ok = False
value_is_list = isinstance(val, list)
if value_is_list:
val = val[0]
if ok:
val = parse_datetime(val, dtype)
if val:
val = DT.datetime.strptime(
DT.datetime.strptime(val, server_dformat)\
.strftime(user_dformat), user_dformat)\
.strftime(server_dformat)
else:
formated_date = format_datetime(val, dtype)
val = parse_datetime(formated_date, dtype)
if val:
val = DT.datetime.strptime(
DT.datetime.strptime(val, server_dformat)\
.strftime(user_dformat), user_dformat)\
.strftime(server_dformat)
if value_is_list:
val = [val]
fixed_domain.append((key, op, val))
return fixed_domain
def get_lang_float_format(locale_lang,monetary=False):
thousands_sep = cherrypy.session['lang'].get('thousands_sep') or numbers.get_group_symbol(locale_lang)
decimal_point = cherrypy.session['lang'].get('decimal_point')
grouping = cherrypy.session['lang'].get('grouping')
return (grouping, thousands_sep, decimal_point)
def format_decimal(value, digits=2, grouping=True, monetary=False):
locale = cherrypy.session['lang'].get('code') or get_locale()
formatted = ("%%.%df" % digits) % value
lang_grouping, thousands_sep, decimal_point = get_lang_float_format(locale,monetary=False)
seps = 0
parts = formatted.split('.')
if grouping:
parts[0], seps = group(parts[0], monetary=monetary, grouping=lang_grouping, thousands_sep=thousands_sep)
formatted = decimal_point.join(parts)
while seps:
sp = formatted.find(' ')
if sp == -1: break
formatted = formatted[:sp] + formatted[sp+1:]
seps -= 1
return formatted
def group(value, monetary=False, grouping=False, thousands_sep=''):
""" This function will convert the value in appropriate format after applying
thousands_sep, grouping etc
@param value:The value to be converted
@param monetary:True or False by default False
@param grouping:True or False by default False
@param thousands_sep: The symbol to be applied at the thousand's place by default blank
@return: The converted value"""
grouping = eval(grouping)
if not grouping:
return (value, 0)
result = ""
seps = 0
spaces = ""
if value[-1] == ' ':
sp = value.find(' ')
spaces = value[sp:]
value = value[:sp]
while value and grouping:
# if grouping is -1, we are done
if grouping[0] == -1:
break
# 0: re-use last group ad infinitum
elif grouping[0] != 0:
#process last group
group = grouping[0]
grouping = grouping[1:]
if result:
result = value[-group:] + thousands_sep + result
seps += 1
else:
result = value[-group:]
value = value[:-group]
if value and value[-1] not in "0123456789":
# the leading string is only spaces and signs
return value + result + spaces, seps
if not result:
return value + spaces, seps
if value:
result = value + thousands_sep + result
seps += 1
return result + spaces, seps
def parse_decimal(value):
locale = cherrypy.session['lang'].get('code') or get_locale()
if isinstance(value, basestring):
value = ustr(value)
grouping, thousands_sep, decimal_point = get_lang_float_format(locale,monetary=False)
#deal with ' ' instead of u'\xa0' (SP instead of NBSP as grouping char)
value = value.replace(' ', '')
value = value.replace(thousands_sep, '').replace(decimal_point, '.')
if not isinstance(value, float):
return float(value)
return value
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