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Current Directory: /usr/lib64/python2.7
Viewing File: /usr/lib64/python2.7/ihooks.pyc
� zfc@s�dZddlmZmZeddd�[ddlZddlZddlZddlZddd d d d d dgZdZ ddlm Z m Z m Z ddlm Z mZmZe ZeZddd��YZdefd��YZdefd��YZd efd��YZd efd��YZd efd��YZd efd��YZdZdadd�Zd�ZdS(s, Import hook support. Consistent use of this module will make it possible to change the different mechanisms involved in loading modules independently. While the built-in module imp exports interfaces to the built-in module searching and loading algorithm, and it is possible to replace the built-in function __import__ in order to change the semantics of the import statement, until now it has been difficult to combine the effect of different __import__ hacks, like loading modules from URLs by rimport.py, or restricted execution by rexec.py. This module defines three new concepts: 1) A "file system hooks" class provides an interface to a filesystem. One hooks class is defined (Hooks), which uses the interface provided by standard modules os and os.path. It should be used as the base class for other hooks classes. 2) A "module loader" class provides an interface to search for a module in a search path and to load it. It defines a method which searches for a module in a single directory; by overriding this method one can redefine the details of the search. If the directory is None, built-in and frozen modules are searched instead. Two module loader class are defined, both implementing the search strategy used by the built-in __import__ function: ModuleLoader uses the imp module's find_module interface, while HookableModuleLoader uses a file system hooks class to interact with the file system. Both use the imp module's load_* interfaces to actually load the module. 3) A "module importer" class provides an interface to import a module, as well as interfaces to reload and unload a module. It also provides interfaces to install and uninstall itself instead of the default __import__ and reload (and unload) functions. One module importer class is defined (ModuleImporter), which uses a module loader instance passed in (by default HookableModuleLoader is instantiated). The classes defined here should be used as base classes for extended functionality along those lines. If a module importer class supports dotted names, its import_module() must return a different value depending on whether it is called on behalf of a "from ... import ..." statement or not. (This is caused by the way the __import__ hook is used by the Python interpreter.) It would also do wise to install a different version of reload(). i����(twarnpy3ktwarns0the ihooks module has been removed in Python 3.0t stackleveliNtBasicModuleLoadertHookst ModuleLoadertFancyModuleLoadertBasicModuleImportertModuleImportertinstallt uninstalli(t C_EXTENSIONt PY_SOURCEt PY_COMPILED(t C_BUILTINt PY_FROZENt PKG_DIRECTORYt_VerbosecBs8eZed�Zd�Zd�Zd�Zd�ZRS(cCs ||_dS(N(tverbose(tselfR((s/usr/lib64/python2.7/ihooks.pyt__init__KscCs|jS(N(R(R((s/usr/lib64/python2.7/ihooks.pyt get_verboseNscCs ||_dS(N(R(RR((s/usr/lib64/python2.7/ihooks.pyt set_verboseQscGs|jr|j|�ndS(N(Rtmessage(Rtargs((s/usr/lib64/python2.7/ihooks.pytnoteVs cGs|r||GHn|GHdS(N((RtformatR((s/usr/lib64/python2.7/ihooks.pyRZs (t__name__t __module__tVERBOSERRRRR(((s/usr/lib64/python2.7/ihooks.pyRIs     cBs>eZdZdd�Zd�Zd�Zd�Zd�ZRS(s;Basic module loader. This provides the same functionality as built-in import. It doesn't deal with checking sys.modules -- all it provides is find_module() and a load_module(), as well as find_module_in_dir() which searches just one directory, and can be overridden by a derived class to change the module search algorithm when the basic dependency on sys.path is unchanged. 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