Exemplo n.º 1
0
def _convert_entity_to_xml(source):
    ''' Converts an entity object to xml to send.

    The entity format is:
    <entry xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns="http://www.w3.org/2005/Atom">
      <title />
      <updated>2008-09-18T23:46:19.3857256Z</updated>
      <author>
        <name />
      </author>
      <id />
      <content type="application/xml">
        <m:properties>
          <d:Address>Mountain View</d:Address>
          <d:Age m:type="Edm.Int32">23</d:Age>
          <d:AmountDue m:type="Edm.Double">200.23</d:AmountDue>
          <d:BinaryData m:type="Edm.Binary" m:null="true" />
          <d:CustomerCode m:type="Edm.Guid">c9da6455-213d-42c9-9a79-3e9149a57833</d:CustomerCode>
          <d:CustomerSince m:type="Edm.DateTime">2008-07-10T00:00:00</d:CustomerSince>
          <d:IsActive m:type="Edm.Boolean">true</d:IsActive>
          <d:NumOfOrders m:type="Edm.Int64">255</d:NumOfOrders>
          <d:PartitionKey>mypartitionkey</d:PartitionKey>
          <d:RowKey>myrowkey1</d:RowKey>
          <d:Timestamp m:type="Edm.DateTime">0001-01-01T00:00:00</d:Timestamp>
        </m:properties>
      </content>
    </entry>
    '''

    # construct the entity body included in <m:properties> and </m:properties>
    entity_body = '<m:properties xml:space="preserve">{properties}</m:properties>'

    if isinstance(source, WindowsAzureData):
        source = vars(source)

    properties_str = ''

    # set properties type for types we know if value has no type info.
    # if value has type info, then set the type to value.type
    for name, value in source.items():
        mtype = ''
        conv = _PYTHON_TO_ENTITY_CONVERSIONS.get(type(value))
        if conv is None and sys.version_info >= (3, ) and value is None:
            conv = _to_entity_none
        if conv is None:
            raise WindowsAzureError(
                _ERROR_CANNOT_SERIALIZE_VALUE_TO_ENTITY.format(
                    type(value).__name__))

        mtype, value = conv(value)

        # form the property node
        properties_str += ''.join(['<d:', name])
        if value is None:
            properties_str += ' m:null="true" />'
        else:
            if mtype:
                properties_str += ''.join([' m:type="', mtype, '"'])
            properties_str += ''.join(
                ['>', xml_escape(value), '</d:', name, '>'])

    if sys.version_info < (3, ):
        if isinstance(properties_str, unicode):
            properties_str = properties_str.encode('utf-8')

    # generate the entity_body
    entity_body = entity_body.format(properties=properties_str)
    xmlstr = _create_entry(entity_body)
    return xmlstr
Exemplo n.º 2
0
def _convert_entity_to_xml(source):
    ''' Converts an entity object to xml to send.

    The entity format is:
    <entry xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns="http://www.w3.org/2005/Atom">
      <title />
      <updated>2008-09-18T23:46:19.3857256Z</updated>
      <author>
        <name />
      </author>
      <id />
      <content type="application/xml">
        <m:properties>
          <d:Address>Mountain View</d:Address>
          <d:Age m:type="Edm.Int32">23</d:Age>
          <d:AmountDue m:type="Edm.Double">200.23</d:AmountDue>
          <d:BinaryData m:type="Edm.Binary" m:null="true" />
          <d:CustomerCode m:type="Edm.Guid">c9da6455-213d-42c9-9a79-3e9149a57833</d:CustomerCode>
          <d:CustomerSince m:type="Edm.DateTime">2008-07-10T00:00:00</d:CustomerSince>
          <d:IsActive m:type="Edm.Boolean">true</d:IsActive>
          <d:NumOfOrders m:type="Edm.Int64">255</d:NumOfOrders>
          <d:PartitionKey>mypartitionkey</d:PartitionKey>
          <d:RowKey>myrowkey1</d:RowKey>
          <d:Timestamp m:type="Edm.DateTime">0001-01-01T00:00:00</d:Timestamp>
        </m:properties>
      </content>
    </entry>
    '''

    # construct the entity body included in <m:properties> and </m:properties>
    entity_body = '<m:properties xml:space="preserve">{properties}</m:properties>'

    if isinstance(source, WindowsAzureData):
        source = vars(source)

    properties_str = ''

    # set properties type for types we know if value has no type info.
    # if value has type info, then set the type to value.type
    for name, value in source.items():
        mtype = ''
        conv = _PYTHON_TO_ENTITY_CONVERSIONS.get(type(value))
        if conv is None and sys.version_info >= (3,) and value is None:
            conv = _to_entity_none
        if conv is None:
            raise WindowsAzureError(
                _ERROR_CANNOT_SERIALIZE_VALUE_TO_ENTITY.format(
                    type(value).__name__))

        mtype, value = conv(value)

        # form the property node
        properties_str += ''.join(['<d:', name])
        if value is None:
            properties_str += ' m:null="true" />'
        else:
            if mtype:
                properties_str += ''.join([' m:type="', mtype, '"'])
            properties_str += ''.join(['>',
                                      xml_escape(value), '</d:', name, '>'])

    if sys.version_info < (3,):
        if isinstance(properties_str, unicode):
            properties_str = properties_str.encode('utf-8')

    # generate the entity_body
    entity_body = entity_body.format(properties=properties_str)
    xmlstr = _create_entry(entity_body)
    return xmlstr