The modules described in this chapter provide a wide range of services
related to the Python interpreter and its interaction with its
environment. Here's an overview:
| sys |
Access system-specific parameters and functions. |
| gc |
Interface to the cycle-detecting garbage collector. |
| weakref |
Support for weak references and weak dictionaries. |
| fpectl |
Provide control for floating point exception handling. |
| atexit |
Register and execute cleanup functions. |
| types |
Names for all built-in types. |
| UserDict |
Class wrapper for dictionary objects. |
| UserList |
Class wrapper for list objects. |
| UserString |
Class wrapper for string objects. |
| operator |
All Python's standard operators as built-in functions. |
| inspect |
Extract information and source code from live objects. |
| traceback |
Print or retrieve a stack traceback. |
| linecache |
This module provides random access to individual lines
from text files. |
| pickle |
Convert Python objects to streams of bytes and back. |
| cPickle |
Faster version of pickle, but not subclassable. |
| copy_reg |
Register pickle support functions. |
| shelve |
Python object persistence. |
| copy |
Shallow and deep copy operations. |
| marshal |
Convert Python objects to streams of bytes and back
(with different constraints). |
| warnings |
Issue warning messages and control their disposition. |
| imp |
Access the implementation of the import statement. |
| code |
Base classes for interactive Python interpreters. |
| codeop |
Compile (possibly incomplete) Python code. |
| pprint |
Data pretty printer. |
| repr |
Alternate repr() implementation with size limits. |
| new |
Interface to the creation of runtime implementation objects. |
| site |
A standard way to reference site-specific modules. |
| user |
A standard way to reference user-specific modules. |
| __builtin__ |
The set of built-in functions. |
| __main__ |
The environment where the top-level script is run. |
