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ZddZej- ej. j0 e ddlZddlmZ ddZej- ee d Z ddZ d Z d Z d Z!d Z"da#d Z$y# e $ r Y w xY w)z Utilities to support packages. )
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ModuleInfor zmodule_finder name ispkgz.A namedtuple with minimal info about a module.c dd l }| j d }|t j j k7 ry | j d |j | S )Nr )marshalread importlibutil MAGIC_NUMBERload)streamr magics /usr/lib64/python3.12/pkgutil.pyr
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} || r | } }t | |j dz | E d{ yc c}w 7 # t $ r | ||j Y t $ r | ||j n Y w xY ww)a Yields ModuleInfo for all modules recursively
on path, or, if path is None, all accessible modules.
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modules in.
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on output.
Note that this function must import all *packages* (NOT all
modules!) on the given path, in order to access the __path__
attribute to find submodules.
'onerror' is a function which gets called with one argument (the
name of the package which was being imported) if any exception
occurs while trying to import a package. If no onerror function is
supplied, ImportErrors are caught and ignored, while all other
exceptions are propagated, terminating the search.
Examples:
# list all modules python can access
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# list all submodules of ctypes
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| | Y |S # t $ r Y ;w xY w d}Y |S w xY w)zRetrieve a finder for the given path item
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finders (i.e. those on both sys.meta_path and sys.path_hooks).
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effect of invoking this function.
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r$ 'Relative module name {!r} not supportedr r# N) rV formatr+
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a Extend a package's path.
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from pkgutil import extend_path
__path__ = extend_path(__path__, __name__)
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matches the package name, add the subdirectory to the package's
__path__. This is useful if one wants to distribute different
parts of a single logical package as multiple directories.
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argument. This feature is similar to *.pth files (see site.py),
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packages) it is returned unchanged. The input path is not
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j j | xs t j j | }| t |d sy|j d }|j dt j j |j t j j | }|j# | S )af Get a resource from a package.
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argument should be the name of a package, in standard module format
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is not allowed, and nor is a rooted name (starting with a '/').
The function returns a binary string, which is the contents of the
specified resource.
For packages located in the filesystem, which have already been imported,
this is the rough equivalent of
d = os.path.dirname(sys.modules[package].__file__)
data = open(os.path.join(d, resource), 'rb').read()
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Resolve a name to an object.
It is expected that `name` will be a string in one of the following
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W(.W)*
W(.W)*:(W(.W)*)?
The first form is intended for backward compatibility only. It assumes that
some part of the dotted name is a package, and the rest is an object
somewhere within that package, possibly nested inside other objects.
Because the place where the package stops and the object hierarchy starts
can't be inferred by inspection, repeated attempts to import must be done
with this form.
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provision of a single colon: the dotted name to the left of the colon is a
package to be imported, and the dotted name to the right is the object
hierarchy within that package. Only one import is needed in this form. If
it ends with the colon, then a module object is returned.
The function will return an object (which might be a module), or raise one
of the following exceptions:
ValueError - if `name` isn't in a recognised format
ImportError - if an import failed when it shouldn't have
AttributeError - if a failure occurred when traversing the object hierarchy
within the imported package to get to the desired object.
Nr z(?!\d)(\w+)(\.(?!\d)(\w+))*z ^(?Pz)(?P:(?Pz)?)?$zinvalid format: clnrn objr$ )
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