def _build_basic_properties(self, properties):
"""
Get the pika.BasicProperties from a pikachewie.data.Properties object.
:param pikachewie.data.Properties properties: properties to convert
:rtype: pika.spec.BasicProperties
"""
basic_properties = BasicProperties()
attrs = '''
app_id
content_encoding
content_type
correlation_id
delivery_mode
priority
reply_to
message_id
type
user_id
'''.split()
for attr in attrs:
value = getattr(properties, attr)
if value is not None:
setattr(basic_properties, attr, value)
basic_properties.timestamp = properties.timestamp or int(time.time())
if properties.expiration is not None:
basic_properties.expiration = str(properties.expiration)
if properties.headers is not None and \
len(properties.headers.keys()):
basic_properties.headers = dict(properties.headers)
return basic_properties
