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r c @ s( e Zd ZdZdd ZejdddZdS )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 insteadwarningswarnDeprecationWarningselfr r r __init__, s zFinder.__init__Nc C s t dt dS )zAn 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.
zimportlib.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 fullnamepathr r r find_module2 s zFinder.find_moduler )r
__module__ __qualname____doc__r abcabstractmethodr 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| dsdS | ||}|dur |jS dS )a_ Return a loader for the module.
If no module is found, return None. The fullname is a str and
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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.
zMetaPathFinder.find_module() is deprecated since Python 3.4 in favor of MetaPathFinder.find_spec() and is slated for removal in Python 3.12
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zMetaPathFinder.find_modulec C dS )zAn 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| dsdg 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/ )zAn optional method for clearing the finder's cache, if any.
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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 )ResourceLoaderzAbstract base class for loaders which can return data from their
back-end storage.
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c C t )zwAbstract method which when implemented should return the bytes for
the specified path. The path must be a str.)OSErrorr 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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modules they can load.
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c C r8 )zOptional 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.
ImportErrorr 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
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(e.g. built-in module). Raises ImportError if the module cannot be
found.
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zInspectLoader.get_codec C r8 )zAbstract method which should return the source code for the
module. The fullname is a str. Returns a str.
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r= r? r r r rB zInspectLoader.get_sourcec C s t | |dddS )zCompile '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
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r< c @ s& e Zd ZdZejdd Zdd ZdS )ExecutionLoaderzAbstract 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 )zAbstract 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 )zMethod to return the code object for fullname.
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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 tt| |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 td| |iS )a Return a metadata dict for the source pointed to by the path (str).
Possible keys:
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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.resourcereturnc C r8 )zReturn an opened, file-like object for binary reading.
The 'resource' argument is expected to represent only a file name.
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FileNotFoundErrorr r[ r r r
open_resource; s
z ResourceReader.open_resourcec C r8 )zReturn 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 ZdddZejd e fd
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An object with a subset of pathlib.Path methods suitable for
traversing directories and opening files.
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Nr r r r r iterdiri r1 zTraversable.iterdirc C s6 | d }| W d S 1 sw Y dS )z0
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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 $zTraversable.read_textr\ c C r/ )z.
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Nr r r r r is_dir} r1 zTraversable.is_dirc C r/ )z/
Return True if self is a file
Nr r r r r is_file r1 zTraversable.is_filec C r/ )2
Return Traversable child in self
Nr r childr r r joinpath r1 zTraversable.joinpathc C s
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zTraversable.__truediv__rc O r/ )z
mode may be 'r' or 'rb' to open as text or binary. Return a handle
suitable for reading (same as pathlib.Path.open).
When opening as text, accepts encoding parameters such as those
accepted by io.TextIOWrapper.
Nr )r modeargskwargsr r r rj r1 zTraversable.openc C r/ )zM
The base name of this object without any parent references.
Nr r r r r name r1 zTraversable.namer )rw )r r! r" r# r$ r% rg rm ro rd rp rq ru rv rj abstractpropertyre r{ r r r r rf b s"
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resources.
c C r/ )z3Return a Traversable object for the loaded package.Nr r r r r files r1 zTraversableResources.filesc C s | |dS )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{ ).0itemr r r s z0TraversableResources.contents..)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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