miscellaneous library modules he modules listed in this section are not covered in detail in this book but are still considered to be part of the standard library these modules have mostly been omitted from previous because they are either extremely low-level and of limited userestricted to very specific platformsobsoleteor so complicated that coverage would require complete book on the topic although these modules are have been omitted from this bookonline documentation is available for each module at docs python org/library/modname an index of all modules is also available at the modules listed here represent common subset of functionality between python and python if you are using module that is not listed herechances are it has been officially deprecated some modules have changed names in python the new name is shown in parenthesesif applicable python services the following modules provide additional services related to the python language and execution of the python interpreter many of these modules are related to parsing and compilation of python source code module description bdb code codeop compileall copy_reg (copyregdis distutils fpectl imp access to the debugger framework interpreter base classes compiles python code byte-compiles python files in directory register built-in types for use with the pickle module disassembler distribution of python modules floating-point exception control provides access to the implementation of the import statement tests whether string is python keyword retrieves lines from source files finds modules used by script keyword linecache modulefinder lib fl ff