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d d � � Z d S) � TimestampaR Timestamp represents the Timestamp extension type in msgpack.
When built with Cython, msgpack uses C methods to pack and unpack `Timestamp`. When using pure-Python
msgpack, :func:`to_bytes` and :func:`from_bytes` are used to pack and unpack `Timestamp`.
This class is immutable: Do not override seconds and nanoseconds.
�seconds� nanosecondsr c C st t | t � s t d � � t | t � s6 t d � � d | k oM d k n s^ t d � � | | _ | | _ d S) a� Initialize a Timestamp object.
:param int seconds:
Number of seconds since the UNIX epoch (00:00:00 UTC Jan 1 1970, minus leap seconds).
May be negative.
:param int nanoseconds:
Number of nanoseconds to add to `seconds` to get fractional time.
Maximum is 999_999_999. Default is 0.
Note: Negative times (before the UNIX epoch) are represented as negative seconds + positive ns.
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zTimestamp.__init__c C s d j | j | j � S)z#String representation of Timestamp.z'Timestamp(seconds={0}, nanoseconds={1}))�formatr r )r r r r �__repr__E s zTimestamp.__repr__c C s; t | � | j k r7 | j | j k o6 | j | j k Sd S)z0Check for equality with another Timestamp objectF)�typer r r )r �otherr r r �__eq__K s "zTimestamp.__eq__c C s | j | � S)z(not-equals method (see :func:`__eq__()`))r# )r r" r r r �__ne__S s zTimestamp.__ne__c C s t | j | j f � S)N)�hashr r )r r r r �__hash__W s zTimestamp.__hash__c C s� t | � d k r1 t j d | � d } d } nx t | � d k rp t j d | � d } | d @} | d ?} n9 t | � d k r� t j d | � \ } } n t d
� � t | | � S) a Unpack bytes into a `Timestamp` object.
Used for pure-Python msgpack unpacking.
:param b: Payload from msgpack ext message with code -1
:type b: bytes
:returns: Timestamp object unpacked from msgpack ext payload
:rtype: Timestamp
� z!Lr � z!Ql �� �" � z!IqzFTimestamp type can only be created from 32, 64, or 96-bit byte objects)�len�struct�unpackr
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zTimestamp.from_bytesc C s� | j d ?d k ra | j d >| j B} | d @d k rL t j d | � } q| t j d | � } n t j d | j | j � } | S)z�Pack this Timestamp object into bytes.
Used for pure-Python msgpack packing.
:returns data: Payload for EXT message with code -1 (timestamp type)
:rtype: bytes
r) r l �� z!Lz!Qz!Iq)r r r, �pack)r r/ r r r r �to_bytesu s zTimestamp.to_bytesc C s1 t | d � } t | d d � } t | | � S)z�Create a Timestamp from posix timestamp in seconds.
:param unix_float: Posix timestamp in seconds.
:type unix_float: int or float.
� r r i ʚ;)r r )�unix_secr r r r r � from_unix� s zTimestamp.from_unixc C s | j | j d S)znGet the timestamp as a floating-point value.
:returns: posix timestamp
:rtype: float
g e��A)r r )r r r r �to_unix� s zTimestamp.to_unixc C s t t | d � � S)z�Create a Timestamp from posix timestamp in nanoseconds.
:param int unix_ns: Posix timestamp in nanoseconds.
:rtype: Timestamp
r r i ʚ;)r �divmod)�unix_nsr r r �from_unix_nano� s zTimestamp.from_unix_nanoc C s | j d | j S)z~Get the timestamp as a unixtime in nanoseconds.
:returns: posix timestamp in nanoseconds
:rtype: int
r r i ʚ;)r r )r r r r � to_unix_nano� s zTimestamp.to_unix_nanoc C s t j j | j � t � S)zlGet the timestamp as a UTC datetime.
Python 2 is not supported.
:rtype: datetime.
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fromtimestampr6 �_utc)r r r r � to_datetime� s zTimestamp.to_datetimec C s t j | j � � S)zuCreate a Timestamp from datetime with tzinfo.
Python 2 is not supported.
:rtype: Timestamp
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from_datetime� s zTimestamp.from_datetimeN)r r r r � __slots__r r r# r$ r& � staticmethodr0 r2 r5 r6 r9 r: r> rA r r r r r " s r )� collectionsr r; �sysr, � version_info�PY2r �longr r= �timezone�utc�AttributeError� timedeltar �objectr r r r r �<module> s