def TextFormatValue(field, value):
"""Format the value as protobuf text format
Args:
field: a FieldDescriptor that describes the field
value: the value stored in the field
Returns:
value in protobuf text format
"""
out = io.StringIO()
text_format.PrintFieldValue(field, value, out)
return out.getvalue()
def testPrintFieldValue(self, message_module):
message = message_module.TestAllTypes()
field = message.DESCRIPTOR.fields_by_name['optional_float']
value = message.optional_float
out = text_format.TextWriter(False)
text_format.PrintFieldValue(field, value, out)
self.assertEqual('0.0', out.getvalue())
out.close()
# Test Printer
out = text_format.TextWriter(False)
printer = text_format._Printer(out)
printer.PrintFieldValue(field, value)
self.assertEqual('0.0', out.getvalue())
out.close()
def FieldSingletonAsString(field, value):
"""Generates string value for a field singleton."""
with contextlib.closing(StringIO.StringIO()) as buf:
text_format.PrintFieldValue(field, value, buf, as_one_line=True)
return buf.getvalue()
