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Import utilities
Exported classes:
ImportManager Manage the import process
Importer Base class for replacing standard import functions
BuiltinImporter Emulate the import mechanism for builtin and frozen modules
DynLoadSuffixImporter
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%c C sz | s | j d � r d S| d } | d r@ t j | } | S| j d � } | d k r_ d S| | } t j | } | S( sJ Returns the context in which a module should be imported.
The context could be a loaded (package) module and the imported module
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meaning there is no context -- the module should be looked for as a
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c C sS xL | D]D } d | j | f } | j | | | � } | s t d | � q q W| S( s� Import the rest of the modules, down from the top-level module.
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j � � | j � | S( sN Compile (and cache) a Python source file.
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saved back to the filesystem for future imports. The source file's
modification timestamp must be provided as a Long value.
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