Python 3 Dokumentation
(stable release)
https://docs.python.org/3/index.html
Python Setup and Usage
PEP 8 - Style Guide for Python Code
Python Modules / Packaging
Python Packaging User Guide
Python Module Index
Python Package Index
PIP (Python Package Installer)
Python Language Reference
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1. Introduction
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2. Lexical analysis
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3. Data model
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4. Execution model
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5. The import system
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6. Expressions
- 6.1. Arithmetic conversions
- 6.2. Atoms
- 6.3. Primaries
- 6.4. Await expression
- 6.5. The power operator
- 6.6. Unary arithmetic and bitwise operations
- 6.7. Binary arithmetic operations
- 6.8. Shifting operations
- 6.9. Binary bitwise operations
- 6.10. Comparisons
- 6.11. Boolean operations
- 6.12. Assignment expressions
- 6.13. Conditional expressions
- 6.14. Lambdas
- 6.15. Expression lists
- 6.16. Evaluation order
- 6.17. Operator precedence
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7. Simple statements
- 7.1. Expression statements
- 7.2. Assignment statements
- 7.3. The
assertstatement - 7.4. The
passstatement - 7.5. The
delstatement - 7.6. The
returnstatement - 7.7. The
yieldstatement - 7.8. The
raisestatement - 7.9. The
breakstatement - 7.10. The
continuestatement - 7.11. The
importstatement - 7.12. The
globalstatement - 7.13. The
nonlocalstatement - 7.14. The
typestatement
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8. Compound statements
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9. Top-level components
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10. Full Grammar specification
Python Library Reference
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Introduction
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Built-in Functions
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Built-in Constants
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Built-in Types
- Truth Value Testing
- Boolean Operations —
and,or,not - Comparisons
- Numeric Types —
int,float,complex - Boolean Type -
bool - Iterator Types
- Sequence Types —
list,tuple,range - Text Sequence Type —
str - Binary Sequence Types —
bytes,bytearray,memoryview - Set Types —
set,frozenset - Mapping Types —
dict - Context Manager Types
- Type Annotation Types — Generic Alias, Union
- Other Built-in Types
- Special Attributes
- Integer string conversion length limitation
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Built-in Exceptions
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Text Processing Services
string— Common string operationsre— Regular expression operationsdifflib— Helpers for computing deltastextwrap— Text wrapping and fillingunicodedata— Unicode Databasestringprep— Internet String Preparationreadline— GNU readline interfacerlcompleter— Completion function for GNU readline
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Binary Data Services
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Data Types
datetime— Basic date and time typeszoneinfo— IANA time zone supportcalendar— General calendar-related functionscollections— Container datatypescollections.abc— Abstract Base Classes for Containersheapq— Heap queue algorithmbisect— Array bisection algorithmarray— Efficient arrays of numeric valuesweakref— Weak referencestypes— Dynamic type creation and names for built-in typescopy— Shallow and deep copy operationspprint— Data pretty printerreprlib— Alternaterepr()implementationenum— Support for enumerationsgraphlib— Functionality to operate with graph-like structures
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Numeric and Mathematical Modules
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Functional Programming Modules
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File and Directory Access
pathlib— Object-oriented filesystem pathsos.path— Common pathname manipulationsstat— Interpretingstat()resultsfilecmp— File and Directory Comparisonstempfile— Generate temporary files and directoriesglob— Unix style pathname pattern expansionfnmatch— Unix filename pattern matchinglinecache— Random access to text linesshutil— High-level file operations
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Data Persistence
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Data Compression and Archiving
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File Formats
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Cryptographic Services
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Generic Operating System Services
os— Miscellaneous operating system interfacesio— Core tools for working with streamstime— Time access and conversionslogging— Logging facility for Pythonlogging.config— Logging configurationlogging.handlers— Logging handlersplatform— Access to underlying platform’s identifying dataerrno— Standard errno system symbolsctypes— A foreign function library for Python
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Command Line Interface Libraries
argparse— Parser for command-line options, arguments and subcommandsoptparse— Parser for command line optionsgetpass— Portable password inputfileinput— Iterate over lines from multiple input streamscurses— Terminal handling for character-cell displayscurses.textpad— Text input widget for curses programscurses.ascii— Utilities for ASCII characterscurses.panel— A panel stack extension for curses
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Concurrent Execution
threading— Thread-based parallelismmultiprocessing— Process-based parallelismmultiprocessing.shared_memory— Shared memory for direct access across processes- The
concurrentpackage concurrent.futures— Launching parallel taskssubprocess— Subprocess managementsched— Event schedulerqueue— A synchronized queue classcontextvars— Context Variables_thread— Low-level threading API
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Networking and Interprocess Communication
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Internet Data Handling
email— An email and MIME handling packagejson— JSON encoder and decodermailbox— Manipulate mailboxes in various formatsmimetypes— Map filenames to MIME typesbase64— Base16, Base32, Base64, Base85 Data Encodingsbinascii— Convert between binary and ASCIIquopri— Encode and decode MIME quoted-printable data
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Structured Markup Processing Tools
html— HyperText Markup Language supporthtml.parser— Simple HTML and XHTML parserhtml.entities— Definitions of HTML general entities- XML Processing Modules
xml.etree.ElementTree— The ElementTree XML APIxml.dom— The Document Object Model APIxml.dom.minidom— Minimal DOM implementationxml.dom.pulldom— Support for building partial DOM treesxml.sax— Support for SAX2 parsersxml.sax.handler— Base classes for SAX handlersxml.sax.saxutils— SAX Utilitiesxml.sax.xmlreader— Interface for XML parsersxml.parsers.expat— Fast XML parsing using Expat
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Internet Protocols and Support
webbrowser— Convenient web-browser controllerwsgiref— WSGI Utilities and Reference Implementationurllib— URL handling modulesurllib.request— Extensible library for opening URLsurllib.response— Response classes used by urlliburllib.parse— Parse URLs into componentsurllib.error— Exception classes raised by urllib.requesturllib.robotparser— Parser for robots.txthttp— HTTP moduleshttp.client— HTTP protocol clientftplib— FTP protocol clientpoplib— POP3 protocol clientimaplib— IMAP4 protocol clientsmtplib— SMTP protocol clientuuid— UUID objects according to RFC 4122socketserver— A framework for network servershttp.server— HTTP servershttp.cookies— HTTP state managementhttp.cookiejar— Cookie handling for HTTP clientsxmlrpc— XMLRPC server and client modulesxmlrpc.client— XML-RPC client accessxmlrpc.server— Basic XML-RPC serversipaddress— IPv4/IPv6 manipulation library
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Multimedia Services
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Internationalization
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Program Frameworks
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Graphical User Interfaces with Tk
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Development Tools
typing— Support for type hintspydoc— Documentation generator and online help system- Python Development Mode
doctest— Test interactive Python examplesunittest— Unit testing frameworkunittest.mock— mock object libraryunittest.mock— getting startedtest— Regression tests package for Pythontest.support— Utilities for the Python test suitetest.support.socket_helper— Utilities for socket teststest.support.script_helper— Utilities for the Python execution teststest.support.bytecode_helper— Support tools for testing correct bytecode generationtest.support.threading_helper— Utilities for threading teststest.support.os_helper— Utilities for os teststest.support.import_helper— Utilities for import teststest.support.warnings_helper— Utilities for warnings tests
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Debugging and Profiling
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Software Packaging and Distribution
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Python Runtime Services