module.erp5.TransformXlsToOds.py 1.09 KB
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from Products.PortalTransforms.interfaces import itransform
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from zope.interface import implementer
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from Products.ERP5OOo.transforms.oood_commandtransform import OOOdCommandTransform, OOoDocumentDataStream

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@implementer(itransform)
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class XlsToOds:
  """Transforms xls to ods by using Cloudooo"""

  __name__ = 'xls_to_ods'
  inputs   = ('application/vnd.ms-excel',)
  output = 'application/vnd.oasis.opendocument.spreadsheet'

  tranform_engine = OOOdCommandTransform.__module__

  def name(self):
    return self.__name__

  def __getattr__(self, attr):
    if attr == 'inputs':
      return self.config['inputs']
    if attr == 'output':
      return self.config['output']
    raise AttributeError(attr)

  def convert(self, orig, data, cache=None, filename=None, context=None, **kwargs):
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    data = bytes(orig)
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    xls = OOOdCommandTransform(context, filename, data, self.inputs[0])
    ods = xls.convertTo('ods')
    if cache is not None:
      cache.setData(ods)
      return cache
    else:
      stream = OOoDocumentDataStream()
      stream.setData(ods)
      return stream

def register():
  return XlsToOds()