Consider following code:

message Fly{
 uint32 dtime = 1;
}

>>> d.ListFields()[0][0].name
'dtime'
>>> d.ListFields()[0][0].full_name
'Fly.dtime
>>> 
>>> d.HasField('dtime')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File 
"/home/rkuska/.local/lib/python2.7/site-packages/google/protobuf/internal/python_message.py",
 
line 825, in HasField
    raise ValueError(error_msg % field_name)
ValueError: Protocol message has no non-repeated submessage field 
"dtime_utc"
>>> d.HasField('Fly.dtime')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File 
"/home/rkuska/.local/lib/python2.7/site-packages/google/protobuf/internal/python_message.py",
 
line 825, in HasField
    raise ValueError(error_msg % field_name)
ValueError: Protocol message has no non-repeated submessage field 
"Flight.dtime_utc"

What does HasField expect as a parameter?


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