| Server IP : 121.121.20.254 / Your IP : 216.73.216.202 Web Server : Microsoft-IIS/10.0 System : Windows NT WEB-SERVER 10.0 build 20348 (Windows Server 2022) AMD64 User : IUSR ( 0) PHP Version : 8.3.28 Disable Function : NONE MySQL : ON | cURL : ON | WGET : OFF | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /Python315/Lib/compression/zstd/__pycache__/ |
Upload File : |
R
>lqj5# c � � Q s Qs] PHs] PH s] QHGsGsGsGsGsG s ] QH(G s G s G
s
, \ \O ]d* ]d2 N\O ]d* M3s \O" s Q Q2 sQ sQ sQ
sQQ ksQQ ks Q
Q\O2 2 s Q Q\O2 2 s Q Q\O2 2 s \O: \\2 P! )zGPython bindings to the Zstandard (zstd) compression library (RFC-8878).�CompressionParameter�DecompressionParameter�Strategy)�ZstdCompressor�ZstdDecompressor�ZstdDict� ZstdError�get_frame_size� zstd_version)�ZstdFile�open�_nbytesc �H ` `� \ sQ s],s nQsQsU 1Q ksQ sQ sQs Us
U 9s ! )� FrameInfoz$Information about a Zstandard frame.c �J :� [ RU _ Q U2 [ RU _ QU2 P! ��decompressed_size�
dictionary_id)�super� __setattr__)�selfr r � __class__s &&&��.C:\Python315\\Lib\compression\zstd\__init__.py�__init__�FrameInfo.__init__1 s# �� �
��� /�1B�C�
���O�]�;� c �> � Q U O QU O Q0! )z FrameInfo(decompressed_size=z, dictionary_id=�)r �r s &r �__repr__�FrameInfo.__repr__5 s. � �.�t�/E�/E�.F� G!�!%�!3�!3� 4�A�7� 8r c �" � [ Q U8 02 g)zcan't set attribute )�AttributeError)r �name�_s &&&r r �FrameInfo.__setattr__9 s � � � 3�D�8� <�=�=r � r ) �__name__�
__module__� __qualname__�__firstlineno__�__doc__� __slots__r r r �__static_attributes__�__classdictcell__�
__classcell__)r �
__classdict__s @@r r r , s! �� � �.�4�I�<�8�>� >r r c �@ � [ [ O U 2 ! )ay Get Zstandard frame information from a frame header.
*frame_buffer* is a bytes-like object. It should start from the
beginning of a frame, and needs to include at least the frame header
(6 to 18 bytes).
The returned FrameInfo object has two attributes.
'decompressed_size' is the size in bytes of the data in the frame when
decompressed, or None when the decompressed size is unknown.
'dictionary_id' is an int in the range (0, 2**32). The special value 0
means that the dictionary ID was not recorded in the frame header,
the frame may or may not need a dictionary to be decoded,
and the ID of such a dictionary is not specified.
)r �_zstd�get_frame_info)� frame_buffers &r r2 r2 = s � � �e�*�*�<�8� 9�9r c �r � [ U[ 2 % f& [ U2 O o[ QU8 Q02 g[ U 2 o QO
U 2 o[
9PI c , Q U 2 D MJ 3L Q U 2 2 oU% f [ Q2 g[ O V4U2 o[ U2 ! )z�Return a ZstdDict representing a trained Zstandard dictionary.
*samples* is an iterable of samples, where a sample is a bytes-like
object representing a file.
*dict_size* is the dictionary's maximum size, in bytes.
z%dict_size must be an int object, not �.r c 3 �D � S F � D o[ U2 w � J P! 3h�N�r ��.0�samples & r � <genexpr>� train_dict.<locals>.<genexpr>] � ��g� � �g�F�����g�� � z2samples contained no data; can't train dictionary.) �
isinstance�int�typer( � TypeError�tuple�join�
ValueErrorr1 �
train_dictr )�samples� dict_size�ds_cls�chunks� chunk_sizes� dict_contents && r rG rG O s� � � �i�� %� %��i� �-�-���?��z��K�L�L��G�n�G�
�X�X�g�
�F��%�>�g�>�%�%�>�g�>�>�K� ��M�N�N��#�#�F��C�L� �L� !�!r c �� � [ U [ 2 % f [ Q2 g[ U[ 2 % f [ Q2 g[ U[ 2 % f [ Q2 g[ U2 oQO U2 o[ 9PI c , Q U2 D MJ 3L Q U2 2 oU% f [
Q2 g[ O U O UVRU2 o[ U2 ! )a Return a ZstdDict representing a finalized Zstandard dictionary.
Given a custom content as a basis for dictionary, and a set of samples,
finalize *zstd_dict* by adding headers and statistics according to the
Zstandard dictionary format.
You may compose an effective dictionary content by hand, which is used
as basis dictionary, and use some samples to finalize a dictionary. The
basis dictionary may be a "raw content" dictionary. See *is_raw* in
ZstdDict.
*samples* is an iterable of samples, where a sample is a bytes-like
object representing a file.
*dict_size* is the dictionary's maximum size, in bytes.
*level* is the expected compression level. The statistics for each
compression level differ, so tuning the dictionary to the compression
level can provide improvements.
z/zstd_dict argument should be a ZstdDict object.z+dict_size argument should be an int object.z'level argument should be an int object.r c 3 �D � S F � D o[ U2 w � J P! 3hr7 r8 r9 s & r r< � finalize_dict.<locals>.<genexpr>� r> r? z=The samples are empty content, can't finalize the dictionary.)
r@ r rC rA rD rE rF r1 �
finalize_dictrM )� zstd_dictrH rI �levelrK rL rM s "&&& r rQ rQ d s� � �( �i�� *� *��I�J�J� �i�� %� %��E�F�F� �e�S� !� !��A�B�B��G�n�G�
�X�X�g�
�F��%�>�g�>�%�%�>�g�>�>�K� �� '� (� (��&�&�y�'=�'=�v�'2�u�F�L� �L� !�!r c �` � [ VUQ5 oUO U [ O Q5 ! )a� Return Zstandard compressed *data* as bytes.
*level* is an int specifying the compression level to use, defaulting to
COMPRESSION_LEVEL_DEFAULT ('3').
*options* is a dict object that contains advanced compression
parameters. See CompressionParameter for more on options.
*zstd_dict* is a ZstdDict object, a pre-trained Zstandard dictionary.
See the function train_dict for how to train a ZstdDict on sample data.
For incremental compression, use a ZstdCompressor instead.
)rS �optionsrR )�mode)r �compress� FLUSH_FRAME)�datarS rU rR �comps &&&& r rW rW � s) � � ��)� L�D� �=�=��N�$>�$>�=� ?�?r c �� � , o [ V!Q5 oUO UO U 2 2 UO % f [ Q2 gUO
o U % c J` QO
U2 ! )a� Decompress one or more frames of Zstandard compressed *data*.
*zstd_dict* is a ZstdDict object, a pre-trained Zstandard dictionary.
See the function train_dict for how to train a ZstdDict on sample data.
*options* is a dict object that contains advanced compression
parameters. See DecompressionParameter for more on options.
For incremental decompression, use a ZstdDecompressor instead.
)rU rR zACompressed data ended before the end-of-stream marker was reachedr )r �append�
decompress�eofr � unused_datarE )rY rR rU �results�decomps &&& r r] r] � sl � � �G�
�!�'�G�����v�(�(��.�/��z�z�z�� ?� @�
@��!�!���t� � �8�8�G� � r c �� ` � \ sQ s]�s n Qs\O s\O s \O s \O s
\O s\O s\O$ s\O( s\O, s\O0 s\O4 s\O8 s \O< s \O@ s!\OD s#\OH s%\OL s'\OP s)\OT s+Q s,Qs-U s.P! )r zCompression parameters.c �H � [ O U O P Q5 ! )zqReturn the (lower, upper) int bounds of a compression parameter.
Both the lower and upper bounds are inclusive.
�� is_compress�r1 �get_param_bounds�valuer s &r �bounds�CompressionParameter.bounds� s � �
�%�%�d�j�j�d�C�Cr r% )/r& r' r( r) r* r1 �ZSTD_c_compressionLevel�compression_level�ZSTD_c_windowLog�
window_log�ZSTD_c_hashLog�hash_log�ZSTD_c_chainLog� chain_log�ZSTD_c_searchLog�
search_log�ZSTD_c_minMatch� min_match�ZSTD_c_targetLength�
target_length�ZSTD_c_strategy�strategy�!ZSTD_c_enableLongDistanceMatching� enable_long_distance_matching�ZSTD_c_ldmHashLog� ldm_hash_log�ZSTD_c_ldmMinMatch�
ldm_min_match�ZSTD_c_ldmBucketSizeLog�ldm_bucket_size_log�ZSTD_c_ldmHashRateLog�ldm_hash_rate_log�ZSTD_c_contentSizeFlag�content_size_flag�ZSTD_c_checksumFlag�
checksum_flag�ZSTD_c_dictIDFlag� dict_id_flag�ZSTD_c_nbWorkers�
nb_workers�ZSTD_c_jobSize�job_size�ZSTD_c_overlapLog� overlap_logri r, r- �r/ s @r r r � s� �� � �!� �5�5���'�'�J��#�#�H��%�%�I��'�'�J��%�%�I��-�-�M��$�$�H�$)�$K�$K�!��*�*�L��,�,�M� �7�7�� �3�3�� �4�4���-�-�M��*�*�L��'�'�J��#�#�H��)�)�K�D� Dr c �D ` � \ sQ s]�s n Qs\O sQ sQs U s
P! )r zDecompression parameters.c �H � [ O U O P
Q5 ! )zsReturn the (lower, upper) int bounds of a decompression parameter.
Both the lower and upper bounds are inclusive.
rd rf r s &r ri � DecompressionParameter.bounds� s � �
�%�%�d�j�j�e�D�Dr r% ) r& r' r( r) r* r1 �ZSTD_d_windowLogMax�window_log_maxri r, r- r� s @r r r � s �� � �#��.�.�N�E� Er c �� � \ sQ s]�sQs\O s\O s \O s \O s
\O s\O s\O$ s\O( s\O, sQsP! )r z�Compression strategies, listed from fastest to strongest.
Note that new strategies might be added in the future.
Only the order (from fast to strong) is guaranteed,
the numeric value might change.
r% )r& r' r( r) r* r1 � ZSTD_fast�fast�
ZSTD_dfast�dfast� ZSTD_greedy�greedy� ZSTD_lazy�lazy�
ZSTD_lazy2�lazy2� ZSTD_btlazy2�btlazy2�
ZSTD_btopt�btopt� ZSTD_btultra�btultra�
ZSTD_btultra2�btultra2r, r% r r r r � sh � �� �?�?�D� � � �E�
�
�
�F� �?�?�D� � � �E�� � �G� � � �E�� � �G��"�"�Hr )�COMPRESSION_LEVEL_DEFAULTrW r r] r rQ r2 r rG r r
r r �zstd_version_infor r r r )NNN)NN) r* �__all__r1 �enumr r r r r r �compression.zstd._zstdfiler
r r �divmod�zstd_version_numberr� �ZSTD_CLEVEL_DEFAULTr� r r2 rG rQ rW r] �IntEnumr r r �set_parameter_typesr% r r �<module>r� s� �� M� ��4
� �1� 1� >� >�6�f�U� 6� 6�#� =�s�C� 6��.�.��4�6� � H� !� 5� 5� � A�>� >�":�$"�*#"�L
@� �. D�4�<�<� D�D
E�T�\�\�
E�#�t�|�|� #�( � � �.�0F� Gr