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r c @ s. e Z d Z d Z e j d d d � � Z d S)�Findera Legacy abstract base class for import finders.
It may be subclassed for compatibility with legacy third party
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or PathEntryFinder ABCs.
Nc C s d S)z�An abstract method that should find a module.
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� metaclassc @ s. e Z d Z d Z d d � Z d d � Z d S)�MetaPathFinderz8Abstract base class for import finders on sys.meta_path.c C s< t | d � s d S| j | | � } | d k r8 | j Sd S)aN 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 in favor of finder.find_spec(). If find_spec()
exists then backwards-compatible functionality is provided for this
method.
� find_specN)�hasattrr �loader)r r r �foundr
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r r . s zMetaPathFinder.find_modulec C s d S)z�An optional method for clearing the finder's cache, if any.
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r r ' s r c @ s7 e Z d Z d Z d d � Z e j Z d d � Z d S)�PathEntryFinderz>Abstract base class for path entry finders used by PathFinder.c C sj t | d � s d g f S| j | � } | d k r\ | j sF g } n | j } | j | f Sd g f Sd S)aC 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 in favor of finder.find_spec(). If find_spec()
is provided than backwards-compatible functionality is provided.
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zPathEntryFinder.find_loaderc C s d S)z�An optional method for clearing the finder's cache, if any.
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r r G s r c @ s: e Z d Z d Z d d � Z d d � Z d d � Z d S) �Loaderz'Abstract base class for import loaders.c C s d S)a# Return a module to initialize and into which to load.
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create_modulew s zLoader.create_modulec C s( t | d � s t � n t j | | � S)a� Return the loaded module.
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functionality for this method.
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r r# s s r# c @ s+ e Z d Z d Z e j d d � � Z d S)�ResourceLoaderz�Abstract base class for loaders which can return data from their
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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.
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module is a package. The fullname is a str. Returns a bool.
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is_package� s zInspectLoader.is_packagec C s, | j | � } | d k r d S| j | � S)a Method which returns the code object for the module.
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t � d S)z�Abstract method which should return the source code for the
module. The fullname is a str. Returns a str.
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r r2 � s zInspectLoader.get_sourcez<string>c C s t | | d d d �S)z�Compile 'data' into a code object.
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r0 c @ s7 e Z d Z d Z e j d d � � Z d d � Z d S)�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.
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set to.
Raises ImportError if the module cannot be found.
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rS | j | � SYn X| j | | � Sd 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.
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FileLoaderz[Abstract base class partially implementing the ResourceLoader and
ExecutionLoader ABCs.N)r r r r r
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r r= s r= c @ s: e Z d Z d Z d d � Z d d � Z d d � Z d S) � 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 s5 | j j t j k r t � n t | j | � d � S)z6Return the (int) modification time for the path (str).�mtime)�
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path_mtime( s zSourceLoader.path_mtimec C s2 | j j t j k r t � n i | j | � d 6S)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.
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r r@ . s zSourceLoader.path_statsc C s d S)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.
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