Currency.py 3.06 KB
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##############################################################################
#
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# Copyright (c) 2002-2006 Nexedi SARL and Contributors. All Rights Reserved.
#                         Jean-Paul Smets-Solanes <jp@nexedi.com>
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#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
##############################################################################

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import zope.interface
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from AccessControl import ClassSecurityInfo

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from Products.ERP5Type import Permissions, PropertySheet, Constraint, interfaces
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from Products.ERP5.Document.Resource import Resource

from zLOG import LOG

class Currency(Resource):
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  """
    Currency
  """
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  meta_type = 'ERP5 Currency'
  portal_type = 'Currency'
  add_permission = Permissions.AddPortalContent
  isPortalContent = 1
  isRADContent = 1
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  # Declarative security
  security = ClassSecurityInfo()
  security.declareObjectProtected(Permissions.AccessContentsInformation)
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  # Declarative interfaces
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  zope.interface.implements( interfaces.IVariated, )
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  # Declarative properties
  property_sheets = ( PropertySheet.Base
                    , PropertySheet.XMLObject
                    , PropertySheet.CategoryCore
                    , PropertySheet.DublinCore
                    , PropertySheet.Price
                    , PropertySheet.Resource
                    , PropertySheet.Reference
                    )
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  # Unit conversion
  security.declareProtected(Permissions.AccessContentsInformation, 'convertQuantity')
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  def convertQuantity(self, quantity, from_unit, to_unit, variation_list=()):
    # 'variation_list' parameter may be deprecated:
    # cf Measure.getConvertedQuantity
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    return quantity
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  security.declareProtected(Permissions.AccessContentsInformation, 'convertCurrency')
  def convertCurrency(self, quantity, to_currency):
    if to_currency is self:
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      return quantity
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    return quantity
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  security.declareProtected(Permissions.AccessContentsInformation, 'asNumericCode')
  def asNumericCode(self):
    """Return a numeric code defined in ISO 4217."""
    return self.Base_convertCurrencyCodeToNumericCode(self.getReference())