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��r c @ s( e Zd ZdZdd� Zejddd��ZdS )�Findera< Legacy abstract base class for import finders.
It may be subclassed for compatibility with legacy third party
reimplementations of the import system. Otherwise, finder
implementations should derive from the more specific MetaPathFinder
or PathEntryFinder ABCs.
Deprecated since Python 3.3
c C s t �dt� d S )Nzqthe Finder ABC is deprecated and slated for removal in Python 3.12; use MetaPathFinder or PathEntryFinder instead��warnings�warn�DeprecationWarning��selfr r r �__init__, s �zFinder.__init__Nc C s t �dt� dS )z�An abstract method that should find a module.
The fullname is a str and the optional path is a str or None.
Returns a Loader object or None.
z�importlib.abc.Finder along with its find_module() method are deprecated and slated for removal in Python 3.12; use MetaPathFinder.find_spec() or PathEntryFinder.find_spec() insteadNr )r �fullname�pathr r r � find_module2 s �zFinder.find_moduler )r �
__module__� __qualname__�__doc__r �abc�abstractmethodr r r r r r s
r )� metaclassc @ s e Zd ZdZdd� Zdd� ZdS )�MetaPathFinderz8Abstract base class for import finders on sys.meta_path.c C s< t jdtdd� t| d�sdS | �||�}|dur |jS dS )a_ Return a loader for the module.
If no module is found, return None. The fullname is a str and
the path is a list of strings or None.
This method is deprecated since Python 3.4 in favor of
finder.find_spec(). If find_spec() exists then backwards-compatible
functionality is provided for this method.
z�MetaPathFinder.find_module() is deprecated since Python 3.4 in favor of MetaPathFinder.find_spec() and is slated for removal in Python 3.12� ��
stacklevel� find_specN)r r r �hasattrr+ �loader)r r r �foundr r r r G s �
zMetaPathFinder.find_modulec C � dS )z�An optional method for clearing the finder's cache, if any.
This method is used by importlib.invalidate_caches().
Nr r r r r �invalidate_caches\ � z MetaPathFinder.invalidate_cachesN)r r! r" r# r r0 r r r r r' @ s r' c @ s& e Zd ZdZdd� ZejZdd� ZdS )�PathEntryFinderz>Abstract base class for path entry finders used by PathFinder.c C sX t jdtdd� t| d�sdg fS | �|�}|dur(|js g }n|j}|j|fS dg fS )a[ Return (loader, namespace portion) for the path entry.
The fullname is a str. The namespace portion is a sequence of
path entries contributing to part of a namespace package. The
sequence may be empty. If loader is not None, the portion will
be ignored.
The portion will be discarded if another path entry finder
locates the module as a normal module or package.
This method is deprecated since Python 3.4 in favor of
finder.find_spec(). If find_spec() is provided than backwards-compatible
functionality is provided.
zzPathEntryFinder.find_loader() is deprecated since Python 3.4 in favor of PathEntryFinder.find_spec() (available since 3.4)r( r) r+ N)r r r r, r+ �submodule_search_locationsr- )r r r. �portionsr r r � find_loaderl s �
zPathEntryFinder.find_loaderc C r/ )z�An optional method for clearing the finder's cache, if any.
This method is used by PathFinder.invalidate_caches().
Nr r r r r r0 � r1 z!PathEntryFinder.invalidate_cachesN) r r! r" r# r5 r �_find_module_shimr r0 r r r r r2 e s
r2 c @ s e Zd ZdZejdd� �ZdS )�ResourceLoaderz�Abstract base class for loaders which can return data from their
back-end storage.
This ABC represents one of the optional protocols specified by PEP 302.
c C � t �)zwAbstract method which when implemented should return the bytes for
the specified path. The path must be a str.)�OSError�r r r r r �get_data� s zResourceLoader.get_dataN)r r! r" r# r$ r% r; r r r r r7 � s r7 c @ sL e Zd ZdZdd� Zdd� Zejdd� �Ze d d d
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InspectLoaderz�Abstract base class for loaders which support inspection about the
modules they can load.
This ABC represents one of the optional protocols specified by PEP 302.
c C r8 )z�Optional method which when implemented should return whether the
module is a package. The fullname is a str. Returns a bool.
Raises ImportError if the module cannot be found.
�� ImportError�r r r r r �
is_package� � zInspectLoader.is_packagec C s | � |�}|du r dS | �|�S )a Method which returns the code object for the module.
The fullname is a str. Returns a types.CodeType if possible, else
returns None if a code object does not make sense
(e.g. built-in module). Raises ImportError if the module cannot be
found.
N)�
get_source�source_to_code)r r �sourcer r r �get_code� s
zInspectLoader.get_codec C r8 )z�Abstract method which should return the source code for the
module. The fullname is a str. Returns a str.
Raises ImportError if the module cannot be found.
r= r? r r r rB � � zInspectLoader.get_source�<string>c C s t | |ddd�S )z�Compile 'data' into a code object.
The 'data' argument can be anything that compile() can handle. The'path'
argument should be where the data was retrieved (when applicable).�execT)� dont_inherit)�compile)�datar r r r rC � s z InspectLoader.source_to_codeN)rG )r r! r" r# r@ rE r$ r% rB � staticmethodrC r �
_LoaderBasics� exec_module� load_moduler r r r r< � s
r< c @ s& e Zd ZdZejdd� �Zdd� ZdS )�ExecutionLoaderz�Abstract base class for loaders that wish to support the execution of
modules as scripts.
This ABC represents one of the optional protocols specified in PEP 302.
c C r8 )z�Abstract method which should return the value that __file__ is to be
set to.
Raises ImportError if the module cannot be found.
r= r? r r r � get_filename� rF z ExecutionLoader.get_filenamec C sN | � |�}|du r dS z| �|�}W n ty | �|� Y S w | �||�S )z�Method to return the code object for fullname.
Should return None if not applicable (e.g. built-in module).
Raise ImportError if the module cannot be found.
N)rB rQ r> rC )r r rD r r r r rE � s
� zExecutionLoader.get_codeN)r r! r" r# r$ r% rQ rE r r r r rP � s
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FileLoaderz[Abstract base class partially implementing the ResourceLoader and
ExecutionLoader ABCs.N)r r! r" r# r r r r rR s rR c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) � SourceLoadera� Abstract base class for loading source code (and optionally any
corresponding bytecode).
To support loading from source code, the abstractmethods inherited from
ResourceLoader and ExecutionLoader need to be implemented. To also support
loading from bytecode, the optional methods specified directly by this ABC
is required.
Inherited abstractmethods not implemented in this ABC:
* ResourceLoader.get_data
* ExecutionLoader.get_filename
c C s$ | j jtj u r t�t| � |�d �S )z6Return the (int) modification time for the path (str).�mtime)�
path_stats�__func__rS r9 �intr: r r r �
path_mtime s zSourceLoader.path_mtimec C s | j jtj u r t�d| � |�iS )a Return a metadata dict for the source pointed to by the path (str).
Possible keys:
- 'mtime' (mandatory) is the numeric timestamp of last source
code modification;
- 'size' (optional) is the size in bytes of the source code.
rT )rX rV rS r9 r: r r r rU s zSourceLoader.path_statsc C r/ )a Write the bytes to the path (if possible).
Accepts a str path and data as bytes.
Any needed intermediary directories are to be created. If for some
reason the file cannot be written because of permissions, fail
silently.
Nr )r r rK r r r �set_data+ r1 zSourceLoader.set_dataN)r r! r" r# rX rU rY r r r r rS s
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S )�ResourceReaderzDAbstract base class for loaders to provide resource reading support.�resource�returnc C r8 )z�Return an opened, file-like object for binary reading.
The 'resource' argument is expected to represent only a file name.
If the resource cannot be found, FileNotFoundError is raised.
��FileNotFoundError�r r[ r r r �
open_resource; s
z ResourceReader.open_resourcec C r8 )z�Return the file system path to the specified resource.
The 'resource' argument is expected to represent only a file name.
If the resource does not exist on the file system, raise
FileNotFoundError.
r] r_ r r r �
resource_pathG s z ResourceReader.resource_pathr c C r8 )zjReturn True if the named 'path' is a resource.
Files are resources, directories are not.
r] r: r r r � is_resourceT rA zResourceReader.is_resourcec C r8 )z+Return an iterable of entries in `package`.r] r r r r �contents\ s zResourceReader.contentsN)r r! r" r# r$ r% r r r` ra �boolrb r �strrc r r r r rZ 8 s rZ c @ s� e Zd ZdZejdd� �Zdd� Zddd�Zejd e fd
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ejddd��Zejd efdd��ZdS )� Traversablezt
An object with a subset of pathlib.Path methods suitable for
traversing directories and opening files.
c C r/ )z3
Yield Traversable objects in self
Nr r r r r �iterdiri r1 zTraversable.iterdirc C s6 | � d�� }|�� W d � S 1 sw Y dS )z0
Read contents of self as bytes
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read_byteso s $�zTraversable.read_bytesNc C s8 | j |d�� }|�� W d � S 1 sw Y dS )z/
Read contents of self as text
)�encodingNri )r rn rl r r r � read_textv s $�zTraversable.read_textr\ c C r/ )z.
Return True if self is a dir
Nr r r r r �is_dir} r1 zTraversable.is_dirc C r/ )z/
Return True if self is a file
Nr r r r r �is_file� r1 zTraversable.is_filec C r/ )�2
Return Traversable child in self
Nr �r �childr r r �joinpath� r1 zTraversable.joinpathc C s
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zTraversable.__truediv__�rc O r/ )z�
mode may be 'r' or 'rb' to open as text or binary. Return a handle
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When opening as text, accepts encoding parameters such as those
accepted by io.TextIOWrapper.
Nr )r �mode�args�kwargsr r r rj � r1 zTraversable.openc C r/ )zM
The base name of this object without any parent references.
Nr r r r r �name� r1 zTraversable.namer )rw )r r! r" r# r$ r% rg rm ro rd rp rq ru rv rj �abstractpropertyre r{ r r r r rf b s"
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�TraversableResourceszI
The required interface for providing traversable
resources.
c C r/ )z3Return a Traversable object for the loaded package.Nr r r r r �files� r1 zTraversableResources.filesc C s | � � �|��d�S )Nrh )r~ ru rj r_ r r r r` � s z"TraversableResources.open_resourcec C s t |��r r] r_ r r r ra � s z"TraversableResources.resource_pathc C s | � � �|��� S r )r~ ru rq r: r r r rb � s z TraversableResources.is_resourcec C s dd� | � � �� D �S )Nc s s � | ]}|j V qd S r )r{ )�.0�itemr r r � <genexpr>� s � z0TraversableResources.contents.<locals>.<genexpr>)r~ rg r r r r rc � s z TraversableResources.contentsN) r r! r" r# r$ r% r~ r` ra rb rc r r r r r} � s
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