Exemplo n.º 1
0
def encode_element(elem, is_implicit_vr=True, is_little_endian=True):
    """Encode a *pydicom* :class:`~pydicom.dataelem.DataElement` `elem`.

    .. deprecated:: 1.5

        Will be removed in version 2.0, use *pydicom* instead.

    Parameters
    ----------
    elem : pydicom.dataelem.DataElement
        The element to encode.
    is_implicit_vr : bool, optional
        The element encoding scheme the element will be encoded with, ``True``
        for implicit VR (default), ``False`` for explicit VR.
    is_little_endian : bool, optional
        The byte ordering the element will be encoded in, ``True`` for little
        endian (default), ``False`` for big endian.

    Returns
    -------
    bytes
        The encoded element.
    """
    fp = DicomBytesIO()
    fp.is_implicit_VR = is_implicit_vr
    fp.is_little_endian = is_little_endian
    write_data_element(fp, elem)
    bytestring = fp.parent.getvalue()
    fp.close()

    return bytestring
Exemplo n.º 2
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def encode_element(elem, is_implicit_vr=True, is_little_endian=True):
    """Encode a pydicom DataElement `elem` to a byte stream.

    The default is to encode the element as implicit VR little endian.

    Parameters
    ----------
    elem : pydicom.dataelem.DataElement
        The element to encode
    is_implicit_vr : bool, optional
        The element encoding scheme the element will be encoded with, default
        is True.
    is_little_endian : bool, optional
        The byte ordering the element will be encoded in, default is True.

    Returns
    -------
    bytes
        The encoded element.
    """
    fp = DicomBytesIO()
    fp.is_implicit_VR = is_implicit_vr
    fp.is_little_endian = is_little_endian
    write_data_element(fp, elem)
    bytestring = fp.parent.getvalue()
    fp.close()

    return bytestring
Exemplo n.º 3
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def encode_element(el, is_implicit_VR, is_little_endian):
    f = DicomBytesIO()
    f.is_implicit_VR = is_implicit_VR
    f.is_little_endian = is_little_endian
    write_data_element(f, el)
    rawstr = f.parent.getvalue()
    f.close()
    return rawstr
Exemplo n.º 4
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 def test_empty_AT(self):
     """Write empty AT correctly.........."""
     # Was issue 74
     data_elem = DataElement(0x00280009, "AT", [])
     expected = hex2bytes((
         " 28 00 09 00"  # (0028,0009) Frame Increment Pointer
         " 00 00 00 00"  # length 0
     ))
     write_data_element(self.f1, data_elem)
     got = self.f1.parent.getvalue()
     msg = ("Did not write zero-length AT value correctly. "
            "Expected %r, got %r") % (bytes2hex(expected), bytes2hex(got))
     msg = "%r %r" % (type(expected), type(got))
     msg = "'%r' '%r'" % (expected, got)
     self.assertEqual(expected, got, msg)
Exemplo n.º 5
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 def test_empty_AT(self):
     """Write empty AT correctly.........."""
     # Was issue 74
     data_elem = DataElement(0x00280009, "AT", [])
     expected = hex2bytes((
         " 28 00 09 00"   # (0028,0009) Frame Increment Pointer
         " 00 00 00 00"   # length 0
     ))
     write_data_element(self.f1, data_elem)
     got = self.f1.parent.getvalue()
     msg = ("Did not write zero-length AT value correctly. "
            "Expected %r, got %r") % (bytes2hex(expected), bytes2hex(got))
     msg = "%r %r" % (type(expected), type(got))
     msg = "'%r' '%r'" % (expected, got)
     self.assertEqual(expected, got, msg)
Exemplo n.º 6
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    def encode_element(elem, is_implicit_VR=True, is_little_endian=True):
        """Return the encoded `elem`.

        Parameters
        ----------
        elem : pydicom.dataelem.DataElement
            The element to encode
        is_implicit_VR : bool
            Encode using implicit VR, default True
        is_little_endian : bool
            Encode using little endian, default True

        Returns
        -------
        str or bytes
            The encoded element as str (python2) or bytes (python3)
        """
        with DicomBytesIO() as fp:
            fp.is_implicit_VR = is_implicit_VR
            fp.is_little_endian = is_little_endian
            write_data_element(fp, elem)
            return fp.parent.getvalue()
Exemplo n.º 7
0
    def encode_element(elem, is_implicit_VR=True, is_little_endian=True):
        """Return the encoded `elem`.

        Parameters
        ----------
        elem : pydicom.dataelem.DataElement
            The element to encode
        is_implicit_VR : bool
            Encode using implicit VR, default True
        is_little_endian : bool
            Encode using little endian, default True

        Returns
        -------
        str or bytes
            The encoded element as str (python2) or bytes (python3)
        """
        with DicomBytesIO() as fp:
            fp.is_implicit_VR = is_implicit_VR
            fp.is_little_endian = is_little_endian
            write_data_element(fp, elem)
            return fp.parent.getvalue()