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d�Z G d� dej" � Zd � Zy) z�Compiler tools with improved interactive support.
Provides compilation machinery similar to codeop, but with caching support so
we can provide interactive tracebacks.
Authors
-------
* Robert Kern
* Fernando Perez
* Thomas Kluyver
� N)�
PyCF_ONLY_AST)�contextmanagerc # �P K � | ] }t t |� j �� � y �w�N)�getattr�
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compiler_flag)�.0�fnames �9/usr/lib/python3/dist-packages/IPython/core/compilerop.py� <genexpr>r
/ s' � �� � I�"'� &�j�%� 8� F� F� I�s �$&c � � t j | j d� � j � }dj ||dd � S )zf Compute a (probably) unique name for code for caching.
This now expects code to be unicode.
zutf-8z<ipython-input-{0}-{1}>N� )�hashlib�sha1�encode� hexdigest�format)�code�number� hash_digests r � code_namer 6 s@ � �
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�CachingCompilerzFA compiler that caches code compiled from interactive statements.
c �P � t j j | � i | _ y r )�codeop�Compile�__init__�
_filename_map��selfs r r zCachingCompiler.__init__I s � ���� � ��%�
��r c �B � t |||| j t z d� S )z�Parse code to an AST with the current compiler flags active.
Arguments are exactly the same as ast.parse (in the standard library),
and are passed to the built-in compile function.� )�compile�flagsr )r" �source�filename�symbols r � ast_parsezCachingCompiler.ast_parseQ s � �
�v�x�����m�1K�Q�O�Or c �. � t j | _ y)z&Reset compiler flags to default state.N)r �PyCF_DONT_IMPLY_DEDENTr& r! s r �reset_compiler_flagsz$CachingCompiler.reset_compiler_flagsX s � � �2�2��
r c � � | j S )z;Flags currently active in the compilation process.
�r& r! s r �compiler_flagsz CachingCompiler.compiler_flags^ s � � �z�z�r c � � t ||� S )a� Compute filename given the code, and the cell number.
Parameters
----------
raw_code : str
The raw cell code.
transformed_code : str
The executable Python source code to cache and compile.
number : int
A number which forms part of the code's name. Used for the execution
counter.
Returns
-------
The computed filename.
)r )r" �raw_code�transformed_coder s r �
get_code_namez CachingCompiler.get_code_named s � �" �)�6�2�2r c �H � || j v rdd| j | z fS y)aN Return a user-friendly label and name for a code block.
Parameters
----------
name : str
The name for the code block returned from get_code_name
Returns
-------
A (label, name) pair that can be used in tracebacks, or None if the default formatting should be used.
�CellzIn[%s]N)r )r" �names r �format_code_namez CachingCompiler.format_code_namew s2 � � �4�%�%� %��8�d�&8�&8��&>�>�>� >� &r Nc �� � |�|}| j |||� }|| j |< t |� d|j � D �cg c] }|dz �� c}|f}|t j
|< |S c c}w )ah Make a name for a block of code, and cache the code.
Parameters
----------
transformed_code : str
The executable Python source code to cache and compile.
number : int
A number which forms part of the code's name. Used for the execution
counter.
raw_code : str
The raw code before transformation, if None, set to `transformed_code`.
Returns
-------
The name of the cached code (as a string). Pass this as the filename
argument to compilation, so that tracebacks are correctly hooked up.
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splitlines� linecache�cache)r" r3 r r2 r7 �line�entrys r r> zCachingCompiler.cache� s� � �$ � �'�H��!�!�(�,<�f�E�� $*����4� �
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Ds � A*c # � K � | j |z }| j |z | _ d �� | xj | z c_ y # | xj | z c_ w xY w�wr r/ )r" r& � turn_on_bitss r � extra_flagszCachingCompiler.extra_flags� sT � �� � �
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�J�J�<�-� '�J��D�J�J�<�-� '�J�s �%A �A �A �A�A )z <unknown>�exec)r N)�__name__�
__module__� __qualname__�__doc__r r* r- �propertyr0 r4 r8 r> r rC � r r r r E sO � �� �P�3� �� ��
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?� ,�\ � (� � (r r c �d � ddl }|j dt d�� t j � y)a� Deprecated since IPython 8.6. Call linecache.checkcache() directly.
It was already not necessary to call this function directly. If no
CachingCompiler had been created, this function would fail badly. If
an instance had been created, this function would've been monkeypatched
into place.
As of IPython 8.6, the monkeypatching has gone away entirely. But there
were still internal callers of this function, so maybe external callers
also existed?
r NzHDeprecated Since IPython 8.6, Just call linecache.checkcache() directly.� )�
stacklevel)�warnings�warn�DeprecationWarningr= �
checkcache)�argsrN s r �check_linecache_ipythonrS � s/ � � � �M�M�R��� � �
���r )r )rH r �astr r � functoolsr r= �operator�time�
contextlibr �reduce�or_�all_feature_names� PyCF_MASKr r r rS rJ r r �<module>r] su ��
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