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PEP 0 -- Index of Python Enhancement Proposals (PEPs)

PEP: 0
Title: Index of Python Enhancement Proposals (PEPs)
Last-Modified: 2015-08-03
Author: David Goodger <goodger at python.org>, Barry Warsaw <barry at python.org>
Status: Active
Type: Informational
Created: 13-Jul-2000

Introduction

    This PEP contains the index of all Python Enhancement Proposals,
    known as PEPs.  PEP numbers are assigned by the PEP editors, and
    once assigned are never changed[1].  The Mercurial history[2] of
    the PEP texts represent their historical record.


Index by Category

     num  title                                                   owner
     ---  -----                                                   -----

 Meta-PEPs (PEPs about PEPs or Processes)

 P     1  PEP Purpose and Guidelines                              Warsaw, Hylton, Goodger, Coghlan
  P     4  Deprecation of Standard Modules                         von Löwis
  P     5  Guidelines for Language Evolution                       Prescod
  P     6  Bug Fix Releases                                        Aahz, Baxter
  P     7  Style Guide for C Code                                  GvR
  P     8  Style Guide for Python Code                             GvR, Warsaw, Coghlan
  P     9  Sample Plaintext PEP Template                           Warsaw
  P    10  Voting Guidelines                                       Warsaw
  P    11  Removing support for little used platforms              von Löwis, Cannon
  P    12  Sample reStructuredText PEP Template                    Goodger, Warsaw
 
 Other Informational PEPs

 I    20  The Zen of Python                                       Peters
  I   101  Doing Python Releases 101                               Warsaw, GvR
  IF  247  API for Cryptographic Hash Functions                    Kuchling
  IF  248  Python Database API Specification v1.0                  Lemburg
  IF  249  Python Database API Specification v2.0                  Lemburg
  I   257  Docstring Conventions                                   Goodger, GvR
  IF  272  API for Block Encryption Algorithms v1.0                Kuchling
  I   287  reStructuredText Docstring Format                       Goodger
  I   290  Code Migration and Modernization                        Hettinger
  IF  291  Backward Compatibility for the Python 2 Standard ...    Norwitz
  IF  333  Python Web Server Gateway Interface v1.0                Eby
  I   373  Python 2.7 Release Schedule                             Peterson
  I   392  Python 3.2 Release Schedule                             Brandl
  I   394  The "python" Command on Unix-Like Systems               Staley, Coghlan, Warsaw
  I   398  Python 3.3 Release Schedule                             Brandl
  IF  399  Pure Python/C Accelerator Module Compatibility ...      Cannon
  IF  404  Python 2.8 Un-release Schedule                          Warsaw
  IA  411  Provisional packages in the Python standard library     Coghlan, Bendersky
  I   429  Python 3.4 Release Schedule                             Hastings
  IF  430  Migrating to Python 3 as the default online ...         Coghlan
  I   434  IDLE Enhancement Exception for All Branches             Rovito, Reedy
  IA  440  Version Identification and Dependency Specification     Coghlan, Stufft
  I   478  Python 3.5 Release Schedule                             Hastings
  I   494  Python 3.6 Release Schedule                             Deily
  IF 3333  Python Web Server Gateway Interface v1.0.1              Eby
 
 Accepted PEPs (accepted; may not be implemented yet)

 SA  345  Metadata for Python Software Packages 1.2               Jones
  SA  376  Database of Installed Python Distributions              Ziadé
  SA  425  Compatibility Tags for Built Distributions              Holth
  SA  427  The Wheel Binary Package Format 1.0                     Holth
  SA  484  Type Hints                                              GvR, Lehtosalo, Langa
  SA 3121  Extension Module Initialization and Finalization        von Löwis
 
 Open PEPs (under consideration)

 S   381  Mirroring infrastructure for PyPI                       Ziadé, v. Löwis
  P   387  Backwards Compatibility Policy                          Peterson
  S   426  Metadata for Python Software Packages 2.0               Coghlan, Holth, Stufft
  S   432  Simplifying the CPython startup sequence                Coghlan
  S   436  The Argument Clinic DSL                                 Hastings
  S   447  Add __getdescriptor__ method to metaclass               Oussoren
  I   452  API for Cryptographic Hash Functions v2.0               Kuchling, Heimes
  I   457  Syntax For Positional-Only Parameters                   Hastings
  S   458  Surviving a Compromise of PyPI                          Kuppusamy, Diaz, Stufft, Cappos
  S   459  Standard Metadata Extensions for Python Software ...    Coghlan
  S   463  Exception-catching expressions                          Angelico
  S   467  Minor API improvements for binary sequences             Coghlan
  S   468  Preserving the order of \*\*kwargs in a function.       Snow
  P   470  Using Multi Repository Support for External to PyPI ... Stufft
  S   472  Support for indexing with keyword arguments             Borini, Martinot-Lagarde
  S   473  Adding structured data to built-in exceptions           Kreft
  P   474  Creating forge.python.org                               Coghlan
  S   480  Surviving a Compromise of PyPI: The Maximum ...         Kuppusamy, Diaz, Stufft, Cappos
  P   481  Migrate CPython to Git, Github, and Phabricator         Stufft
  I   482  Literature Overview for Type Hints                      Langa
  I   483  The Theory of Type Hints                                GvR
  S   487  Simpler customisation of class creation                 Teichmann
  S   490  Chain exceptions at C level                             Stinner
  S   491  The Wheel Binary Package Format 1.9                     Holth
  I   493  HTTPS verification recommendations for Python 2.7 ...   Coghlan, Kuska, Lemburg
  S   495  Local Time Disambiguation                               Belopolsky
  I   496  Environment Markers                                     Polley
 
 Finished PEPs (done, implemented in code repository)

 SF  100  Python Unicode Integration                              Lemburg
  SF  201  Lockstep Iteration                                      Warsaw
  SF  202  List Comprehensions                                     Warsaw
  SF  203  Augmented Assignments                                   Wouters
  SF  205  Weak References                                         Drake
  SF  207  Rich Comparisons                                        GvR, Ascher
  SF  208  Reworking the Coercion Model                            Schemenauer, Lemburg
  SF  214  Extended Print Statement                                Warsaw
  SF  217  Display Hook for Interactive Use                        Zadka
  SF  218  Adding a Built-In Set Object Type                       Wilson, Hettinger
  SF  221  Import As                                               Wouters
  SF  223  Change the Meaning of \x Escapes                        Peters
  SF  227  Statically Nested Scopes                                Hylton
  SF  229  Using Distutils to Build Python                         Kuchling
  SF  230  Warning Framework                                       GvR
  SF  232  Function Attributes                                     Warsaw
  SF  234  Iterators                                               Yee, GvR
  SF  235  Import on Case-Insensitive Platforms                    Peters
  SF  236  Back to the __future__                                  Peters
  SF  237  Unifying Long Integers and Integers                     Zadka, GvR
  SF  238  Changing the Division Operator                          Zadka, GvR
  SF  241  Metadata for Python Software Packages                   Kuchling
  SF  250  Using site-packages on Windows                          Moore
  SF  252  Making Types Look More Like Classes                     GvR
  SF  253  Subtyping Built-in Types                                GvR
  SF  255  Simple Generators                                       Schemenauer, Peters, Hetland
  SF  260  Simplify xrange()                                       GvR
  SF  261  Support for "wide" Unicode characters                   Prescod
  SF  263  Defining Python Source Code Encodings                   Lemburg, von Löwis
  SF  264  Future statements in simulated shells                   Hudson
  SF  273  Import Modules from Zip Archives                        Ahlstrom
  SF  274  Dict Comprehensions                                     Warsaw
  SF  277  Unicode file name support for Windows NT                Hodgson
  SF  278  Universal Newline Support                               Jansen
  SF  279  The enumerate() built-in function                       Hettinger
  SF  282  A Logging System                                        Sajip, Mick
  SF  285  Adding a bool type                                      GvR
  SF  289  Generator Expressions                                   Hettinger
  SF  292  Simpler String Substitutions                            Warsaw
  SF  293  Codec Error Handling Callbacks                          Dörwald
  SF  301  Package Index and Metadata for Distutils                Jones
  SF  302  New Import Hooks                                        JvR, Moore
  SF  305  CSV File API                                            Altis, Cole, McNamara, Montanaro, Wells
  SF  307  Extensions to the pickle protocol                       GvR, Peters
  SF  308  Conditional Expressions                                 GvR, Hettinger
  SF  309  Partial Function Application                            Harris
  SF  311  Simplified Global Interpreter Lock Acquisition for ...  Hammond
  SF  314  Metadata for Python Software Packages v1.1              Kuchling, Jones
  SF  318  Decorators for Functions and Methods                    Smith
  SF  322  Reverse Iteration                                       Hettinger
  SF  324  subprocess - New process module                         Astrand
  SF  327  Decimal Data Type                                       Batista
  SF  328  Imports: Multi-Line and Absolute/Relative               Aahz
  SF  331  Locale-Independent Float/String Conversions             Reis
  SF  338  Executing modules as scripts                            Coghlan
  SF  341  Unifying try-except and try-finally                     Brandl
  SF  342  Coroutines via Enhanced Generators                      GvR, Eby
  SF  343  The "with" Statement                                    GvR, Coghlan
  SF  352  Required Superclass for Exceptions                      Cannon, GvR
  SF  353  Using ssize_t as the index type                         von Löwis
  SF  357  Allowing Any Object to be Used for Slicing              Oliphant
  SF  358  The "bytes" Object                                      Schemenauer, GvR
  SF  362  Function Signature Object                               Cannon, Seo, Selivanov, Hastings
  SF  366  Main module explicit relative imports                   Coghlan
  SF  370  Per user site-packages directory                        Heimes
  SF  371  Addition of the multiprocessing package to the ...      Noller, Oudkerk
  SF  372  Adding an ordered dictionary to collections             Ronacher, Hettinger
  SF  378  Format Specifier for Thousands Separator                Hettinger
  SF  380  Syntax for Delegating to a Subgenerator                 Ewing
  SF  383  Non-decodable Bytes in System Character Interfaces      v. Löwis
  SF  384  Defining a Stable ABI                                   v. Löwis
  SF  389  argparse - New Command Line Parsing Module              Bethard
  SF  391  Dictionary-Based Configuration For Logging              Sajip
  SF  393  Flexible String Representation                          v. Löwis
  SF  397  Python launcher for Windows                             Hammond, v. Löwis
  SF  405  Python Virtual Environments                             Meyer
  SF  409  Suppressing exception context                           Furman
  SF  412  Key-Sharing Dictionary                                  Shannon
  SF  414  Explicit Unicode Literal for Python 3.3                 Ronacher, Coghlan
  SF  415  Implement context suppression with exception attributes Peterson
  SF  417  Including mock in the Standard Library                  Foord
  SF  418  Add monotonic time, performance counter, and ...        Simpson, Jewett, Turnbull, Stinner
  SF  420  Implicit Namespace Packages                             Smith
  SF  421  Adding sys.implementation                               Snow
  SF  424  A method for exposing a length hint                     Gaynor
  SF  428  The pathlib module -- object-oriented filesystem paths  Pitrou
  SF  435  Adding an Enum type to the Python standard library      Warsaw, Bendersky, Furman
  SF  441  Improving Python ZIP Application Support                Holth, Moore
  SF  442  Safe object finalization                                Pitrou
  SF  443  Single-dispatch generic functions                       Langa
  SF  445  Add new APIs to customize Python memory allocators      Stinner
  SF  446  Make newly created file descriptors non-inheritable     Stinner
  SF  448  Additional Unpacking Generalizations                    Landau
  SF  450  Adding A Statistics Module To The Standard Library      D'Aprano
  SF  451  A ModuleSpec Type for the Import System                 Snow
  SF  453  Explicit bootstrapping of pip in Python installations   Stufft, Coghlan
  SF  454  Add a new tracemalloc module to trace Python memory ... Stinner
  SF  456  Secure and interchangeable hash algorithm               Heimes
  SF  461  Adding % formatting to bytes and bytearray              Furman
  SF  465  A dedicated infix operator for matrix multiplication    Smith
  SF  466  Network Security Enhancements for Python 2.7.x          Coghlan
  SF  471  os.scandir() function -- a better and faster ...        Hoyt
  SF  475  Retry system calls failing with EINTR                   Natali, Stinner
  SF  476  Enabling certificate verification by default for ...    Gaynor
  SF  477  Backport ensurepip (PEP 453) to Python 2.7              Stufft, Coghlan
  SF  479  Change StopIteration handling inside generators         Angelico, GvR
  SF  485  A Function for testing approximate equality             Barker
  SF  486  Make the Python Launcher aware of virtual environments  Moore
  SF  488  Elimination of PYO files                                Cannon
  SF  489  Multi-phase extension module initialization             Viktorin, Behnel, Coghlan
  SF  492  Coroutines with async and await syntax                  Selivanov
  SF 3101  Advanced String Formatting                              Talin
  SF 3102  Keyword-Only Arguments                                  Talin
  SF 3104  Access to Names in Outer Scopes                         Yee
  SF 3105  Make print a function                                   Brandl
  SF 3106  Revamping dict.keys(), .values() and .items()           GvR
  SF 3107  Function Annotations                                    Winter, Lownds
  SF 3108  Standard Library Reorganization                         Cannon
  SF 3109  Raising Exceptions in Python 3000                       Winter
  SF 3110  Catching Exceptions in Python 3000                      Winter
  SF 3111  Simple input built-in in Python 3000                    Roberge
  SF 3112  Bytes literals in Python 3000                           Orendorff
  SF 3113  Removal of Tuple Parameter Unpacking                    Cannon
  SF 3114  Renaming iterator.next() to iterator.__next__()         Yee
  SF 3115  Metaclasses in Python 3000                              Talin
  SF 3116  New I/O                                                 Stutzbach, GvR, Verdone
  SF 3118  Revising the buffer protocol                            Oliphant, Banks
  SF 3119  Introducing Abstract Base Classes                       GvR, Talin
  SF 3120  Using UTF-8 as the default source encoding              von Löwis
  SF 3123  Making PyObject_HEAD conform to standard C              von Löwis
  SF 3127  Integer Literal Support and Syntax                      Maupin
  SF 3129  Class Decorators                                        Winter
  SF 3131  Supporting Non-ASCII Identifiers                        von Löwis
  SF 3132  Extended Iterable Unpacking                             Brandl
  SF 3134  Exception Chaining and Embedded Tracebacks              Yee
  SF 3135  New Super                                               Spealman, Delaney, Ryan
  SF 3137  Immutable Bytes and Mutable Buffer                      GvR
  SF 3138  String representation in Python 3000                    Ishimoto
  SF 3141  A Type Hierarchy for Numbers                            Yasskin
  SF 3144  IP Address Manipulation Library for the Python ...      Moody
  SF 3147  PYC Repository Directories                              Warsaw
  SF 3148  futures - execute computations asynchronously           Quinlan
  SF 3149  ABI version tagged .so files                            Warsaw
  SF 3151  Reworking the OS and IO exception hierarchy             Pitrou
  SF 3154  Pickle protocol version 4                               Pitrou
  SF 3155  Qualified name for classes and functions                Pitrou
  SF 3156  Asynchronous IO Support Rebooted: the "asyncio" Module  GvR
 
 Historical Meta-PEPs and Informational PEPs

 PF    2  Procedure for Adding New Modules                        Faassen
  PF   42  Feature Requests                                        Hylton
  IF  160  Python 1.6 Release Schedule                             Drake
  IF  200  Python 2.0 Release Schedule                             Hylton
  IF  226  Python 2.1 Release Schedule                             Hylton
  IF  251  Python 2.2 Release Schedule                             Warsaw, GvR
  IF  283  Python 2.3 Release Schedule                             GvR
  IF  320  Python 2.4 Release Schedule                             Warsaw, Hettinger, Baxter
  PF  347  Migrating the Python CVS to Subversion                  von Löwis
  IF  356  Python 2.5 Release Schedule                             Norwitz, GvR, Baxter
  PF  360  Externally Maintained Packages                          Cannon
  IF  361  Python 2.6 and 3.0 Release Schedule                     Norwitz, Warsaw
  PF  374  Choosing a distributed VCS for the Python project       Cannon, Turnbull, Vassalotti, Warsaw, Ochtman
  IF  375  Python 3.1 Release Schedule                             Peterson
  PF  385  Migrating from Subversion to Mercurial                  Ochtman, Pitrou, Brandl
  PA  438  Transitioning to release-file hosting on PyPI           Krekel, Meyer
  PA  449  Removal of the PyPI Mirror Auto Discovery and ...       Stufft
  PA  464  Removal of the PyPI Mirror Authenticity API             Stufft
  PF 3000  Python 3000                                             GvR
  PF 3002  Procedure for Backwards-Incompatible Changes            Bethard
  PF 3003  Python Language Moratorium                              Cannon, Noller, GvR
  PF 3099  Things that will Not Change in Python 3000              Brandl
  PF 3100  Miscellaneous Python 3.0 Plans                          Cannon
 
 Deferred PEPs

 SD  211  Adding A New Outer Product Operator                     Wilson
  SD  212  Loop Counter Iteration                                  Schneider-Kamp
  SD  213  Attribute Access Handlers                               Prescod
  SD  219  Stackless Python                                        McMillan
  SD  222  Web Library Enhancements                                Kuchling
  SD  225  Elementwise/Objectwise Operators                        Zhu, Lielens
  SD  233  Python Online Help                                      Prescod
  SD  262  A Database of Installed Python Packages                 Kuchling
  SD  267  Optimized Access to Module Namespaces                   Hylton
  SD  269  Pgen Module for Python                                  Riehl
  SD  280  Optimizing access to globals                            GvR
  SD  286  Enhanced Argument Tuples                                von Löwis
  SD  312  Simple Implicit Lambda                                  Suzi, Martelli
  SD  316  Programming by Contract for Python                      Way
  SD  323  Copyable Iterators                                      Martelli
  SD  337  Logging Usage in the Standard Library                   Dubner
  SD  349  Allow str() to return unicode strings                   Schemenauer
  SD  368  Standard image protocol and class                       Mastrodomenico
  ID  396  Module Version Numbers                                  Warsaw
  SD  400  Deprecate codecs.StreamReader and codecs.StreamWriter   Stinner
  SD  403  General purpose decorator clause (aka "@in" clause)     Coghlan
  PD  407  New release cycle and introducing long-term support ... Pitrou, Brandl, Warsaw
  SD  419  Protecting cleanup statements from interruptions        Colomiets
  ID  423  Naming conventions and recipes related to packaging     Bryon
  ID  444  Python Web3 Interface                                   McDonough, Ronacher
  PD  462  Core development workflow automation for CPython        Coghlan
  SD  628  Add ``math.tau``                                        Coghlan
  SD 3124  Overloading, Generic Functions, Interfaces, and ...     Eby
  SD 3143  Standard daemon process library                         Finney
  SD 3150  Statement local namespaces (aka "given" clause)         Coghlan
 
 Abandoned, Withdrawn, and Rejected PEPs

 PW    3  Guidelines for Handling Bug Reports                     Hylton
  IS  102  Doing Python Micro Releases                             Baxter, Warsaw, GvR
  SR  204  Range Literals                                          Wouters
  IW  206  Python Advanced Library                                 Kuchling
  SW  209  Multi-dimensional Arrays                                Barrett, Oliphant
  SR  210  Decoupling the Interpreter Loop                         Ascher
  SS  215  String Interpolation                                    Yee
  IR  216  Docstring Format                                        Zadka
  IR  220  Coroutines, Generators, Continuations                   McMillan
  SR  224  Attribute Docstrings                                    Lemburg
  SW  228  Reworking Python's Numeric Model                        Zadka, GvR
  SR  231  __findattr__()                                          Warsaw
  SR  239  Adding a Rational Type to Python                        Craig, Zadka
  SR  240  Adding a Rational Literal to Python                     Craig, Zadka
  SR  242  Numeric Kinds                                           Dubois
  SW  243  Module Repository Upload Mechanism                      Reifschneider
  SR  244  The `directive' statement                               von Löwis
  SR  245  Python Interface Syntax                                 Pelletier
  SR  246  Object Adaptation                                       Martelli, Evans
  SR  254  Making Classes Look More Like Types                     GvR
  SR  256  Docstring Processing System Framework                   Goodger
  SR  258  Docutils Design Specification                           Goodger
  SR  259  Omit printing newline after newline                     GvR
  SR  265  Sorting Dictionaries by Value                           Griffin
  SW  266  Optimizing Global Variable/Attribute Access             Montanaro
  SR  268  Extended HTTP functionality and WebDAV                  Stein
  SR  270  uniq method for list objects                            Petrone
  SR  271  Prefixing sys.path by command line option               Giacometti
  SR  275  Switching on Multiple Values                            Lemburg
  SR  276  Simple Iterator for ints                                Althoff
  SR  281  Loop Counter Iteration with range and xrange            Hetland
  SR  284  Integer for-loops                                       Eppstein, Ewing
  SW  288  Generators Attributes and Exceptions                    Hettinger
  SR  294  Type Names in the types Module                          Tirosh
  SR  295  Interpretation of multiline string constants            Koltsov
  SW  296  Adding a bytes Object Type                              Gilbert
  SR  297  Support for System Upgrades                             Lemburg
  SW  298  The Locked Buffer Interface                             Heller
  SR  299  Special __main__() function in modules                  Epler
  SR  303  Extend divmod() for Multiple Divisors                   Bellman
  SW  304  Controlling Generation of Bytecode Files                Montanaro
  IW  306  How to Change Python's Grammar                          Hudson, Diederich, Coghlan, Peterson
  SR  310  Reliable Acquisition/Release Pairs                      Hudson, Moore
  SR  313  Adding Roman Numeral Literals to Python                 Meyer
  SR  315  Enhanced While Loop                                     Hettinger, Carroll
  SR  317  Eliminate Implicit Exception Instantiation              Taschuk
  SR  319  Python Synchronize/Asynchronize Block                   Pelletier
  SW  321  Date/Time Parsing and Formatting                        Kuchling
  SR  325  Resource-Release Support for Generators                 Pedroni
  SR  326  A Case for Top and Bottom Values                        Carlson, Reedy
  SR  329  Treating Builtins as Constants in the Standard Library  Hettinger
  SR  330  Python Bytecode Verification                            Pelletier
  SR  332  Byte vectors and String/Unicode Unification             Montanaro
  SW  334  Simple Coroutines via SuspendIteration                  Evans
  SR  335  Overloadable Boolean Operators                          Ewing
  SR  336  Make None Callable                                      McClelland
  IW  339  Design of the CPython Compiler                          Cannon
  SR  340  Anonymous Block Statements                              GvR
  SS  344  Exception Chaining and Embedded Tracebacks              Yee
  SW  346  User Defined ("``with``") Statements                    Coghlan
  SR  348  Exception Reorganization for Python 3.0                 Cannon
  IR  350  Codetags                                                Elliott
  SR  351  The freeze protocol                                     Warsaw
  SS  354  Enumerations in Python                                  Finney
  SR  355  Path - Object oriented filesystem paths                 Lindqvist
  SW  359  The "make" Statement                                    Bethard
  SR  363  Syntax For Dynamic Attribute Access                     North
  SW  364  Transitioning to the Py3K Standard Library              Warsaw
  SR  365  Adding the pkg_resources module                         Eby
  SS  367  New Super                                               Spealman, Delaney
  SW  369  Post import hooks                                       Heimes
  SR  377  Allow __enter__() methods to skip the statement body    Coghlan
  SW  379  Adding an Assignment Expression                         Whitley
  SR  382  Namespace Packages                                      v. Löwis
  SS  386  Changing the version comparison module in Distutils     Ziadé
  SR  390  Static metadata for Distutils                           Ziadé
  SW  395  Qualified Names for Modules                             Coghlan
  PR  401  BDFL Retirement                                         Warsaw, Cannon
  SR  402  Simplified Package Layout and Partitioning              Eby
  SW  406  Improved Encapsulation of Import State                  Coghlan, Slodkowicz
  SR  408  Standard library __preview__ package                    Coghlan, Bendersky
  SR  410  Use decimal.Decimal type for timestamps                 Stinner
  PW  413  Faster evolution of the Python Standard Library         Coghlan
  SR  416  Add a frozendict builtin type                           Stinner
  SW  422  Simpler customisation of class creation                 Coghlan, Urban
  SW  431  Time zone support improvements                          Regebro
  SS  433  Easier suppression of file descriptor inheritance       Stinner
  SR  437  A DSL for specifying signatures, annotations and ...    Krah
  SR  439  Inclusion of implicit pip bootstrap in Python ...       Jones
  SR  455  Adding a key-transforming dictionary to collections     Pitrou
  SW  460  Add binary interpolation and formatting                 Pitrou
  SW  469  Migration of dict iteration code to Python 3            Coghlan
  SR  666  Reject Foolish Indentation                              Creighton
  SR  754  IEEE 754 Floating Point Special Values                  Warnes
  PW 3001  Procedure for reviewing and improving standard ...      Brandl
  SR 3103  A Switch/Case Statement                                 GvR
  SR 3117  Postfix type declarations                               Brandl
  SR 3122  Delineation of the main module                          Cannon
  SR 3125  Remove Backslash Continuation                           Jewett
  SR 3126  Remove Implicit String Concatenation                    Jewett, Hettinger
  SR 3128  BList: A Faster List-like Type                          Stutzbach
  SR 3130  Access to Current Module/Class/Function                 Jewett
  SR 3133  Introducing Roles                                       Winter
  SR 3136  Labeled break and continue                              Chisholm
  SR 3139  Cleaning out sys and the "interpreter" module           Peterson
  SR 3140  str(container) should call str(item), not repr(item)    Broytmann, Jewett
  SR 3142  Add a "while" clause to generator expressions           Britton
  SW 3145  Asynchronous I/O For subprocess.Popen                   Pruitt, McCreary, Carlson
  SW 3146  Merging Unladen Swallow into CPython                    Winter, Yasskin, Kleckner
  SR 3152  Cofunctions                                             Ewing
  SS 3153  Asynchronous IO support                                 Houtven
 

Numerical Index

     num  title                                                   owner
     ---  -----                                                   -----
 P     1  PEP Purpose and Guidelines                              Warsaw, Hylton, Goodger, Coghlan
  PF    2  Procedure for Adding New Modules                        Faassen
  PW    3  Guidelines for Handling Bug Reports                     Hylton
  P     4  Deprecation of Standard Modules                         von Löwis
  P     5  Guidelines for Language Evolution                       Prescod
  P     6  Bug Fix Releases                                        Aahz, Baxter
  P     7  Style Guide for C Code                                  GvR
  P     8  Style Guide for Python Code                             GvR, Warsaw, Coghlan
  P     9  Sample Plaintext PEP Template                           Warsaw
  P    10  Voting Guidelines                                       Warsaw
  P    11  Removing support for little used platforms              von Löwis, Cannon
  P    12  Sample reStructuredText PEP Template                    Goodger, Warsaw
 
 I    20  The Zen of Python                                       Peters
 
 PF   42  Feature Requests                                        Hylton
 
 SF  100  Python Unicode Integration                              Lemburg
  I   101  Doing Python Releases 101                               Warsaw, GvR
  IS  102  Doing Python Micro Releases                             Baxter, Warsaw, GvR
 
 IF  160  Python 1.6 Release Schedule                             Drake
 
 IF  200  Python 2.0 Release Schedule                             Hylton
  SF  201  Lockstep Iteration                                      Warsaw
  SF  202  List Comprehensions                                     Warsaw
  SF  203  Augmented Assignments                                   Wouters
  SR  204  Range Literals                                          Wouters
  SF  205  Weak References                                         Drake
  IW  206  Python Advanced Library                                 Kuchling
  SF  207  Rich Comparisons                                        GvR, Ascher
  SF  208  Reworking the Coercion Model                            Schemenauer, Lemburg
  SW  209  Multi-dimensional Arrays                                Barrett, Oliphant
  SR  210  Decoupling the Interpreter Loop                         Ascher
  SD  211  Adding A New Outer Product Operator                     Wilson
  SD  212  Loop Counter Iteration                                  Schneider-Kamp
  SD  213  Attribute Access Handlers                               Prescod
  SF  214  Extended Print Statement                                Warsaw
  SS  215  String Interpolation                                    Yee
  IR  216  Docstring Format                                        Zadka
  SF  217  Display Hook for Interactive Use                        Zadka
  SF  218  Adding a Built-In Set Object Type                       Wilson, Hettinger
  SD  219  Stackless Python                                        McMillan
  IR  220  Coroutines, Generators, Continuations                   McMillan
  SF  221  Import As                                               Wouters
  SD  222  Web Library Enhancements                                Kuchling
  SF  223  Change the Meaning of \x Escapes                        Peters
  SR  224  Attribute Docstrings                                    Lemburg
  SD  225  Elementwise/Objectwise Operators                        Zhu, Lielens
  IF  226  Python 2.1 Release Schedule                             Hylton
  SF  227  Statically Nested Scopes                                Hylton
  SW  228  Reworking Python's Numeric Model                        Zadka, GvR
  SF  229  Using Distutils to Build Python                         Kuchling
  SF  230  Warning Framework                                       GvR
  SR  231  __findattr__()                                          Warsaw
  SF  232  Function Attributes                                     Warsaw
  SD  233  Python Online Help                                      Prescod
  SF  234  Iterators                                               Yee, GvR
  SF  235  Import on Case-Insensitive Platforms                    Peters
  SF  236  Back to the __future__                                  Peters
  SF  237  Unifying Long Integers and Integers                     Zadka, GvR
  SF  238  Changing the Division Operator                          Zadka, GvR
  SR  239  Adding a Rational Type to Python                        Craig, Zadka
  SR  240  Adding a Rational Literal to Python                     Craig, Zadka
  SF  241  Metadata for Python Software Packages                   Kuchling
  SR  242  Numeric Kinds                                           Dubois
  SW  243  Module Repository Upload Mechanism                      Reifschneider
  SR  244  The `directive' statement                               von Löwis
  SR  245  Python Interface Syntax                                 Pelletier
  SR  246  Object Adaptation                                       Martelli, Evans
  IF  247  API for Cryptographic Hash Functions                    Kuchling
  IF  248  Python Database API Specification v1.0                  Lemburg
  IF  249  Python Database API Specification v2.0                  Lemburg
  SF  250  Using site-packages on Windows                          Moore
  IF  251  Python 2.2 Release Schedule                             Warsaw, GvR
  SF  252  Making Types Look More Like Classes                     GvR
  SF  253  Subtyping Built-in Types                                GvR
  SR  254  Making Classes Look More Like Types                     GvR
  SF  255  Simple Generators                                       Schemenauer, Peters, Hetland
  SR  256  Docstring Processing System Framework                   Goodger
  I   257  Docstring Conventions                                   Goodger, GvR
  SR  258  Docutils Design Specification                           Goodger
  SR  259  Omit printing newline after newline                     GvR
  SF  260  Simplify xrange()                                       GvR
  SF  261  Support for "wide" Unicode characters                   Prescod
  SD  262  A Database of Installed Python Packages                 Kuchling
  SF  263  Defining Python Source Code Encodings                   Lemburg, von Löwis
  SF  264  Future statements in simulated shells                   Hudson
  SR  265  Sorting Dictionaries by Value                           Griffin
  SW  266  Optimizing Global Variable/Attribute Access             Montanaro
  SD  267  Optimized Access to Module Namespaces                   Hylton
  SR  268  Extended HTTP functionality and WebDAV                  Stein
  SD  269  Pgen Module for Python                                  Riehl
  SR  270  uniq method for list objects                            Petrone
  SR  271  Prefixing sys.path by command line option               Giacometti
  IF  272  API for Block Encryption Algorithms v1.0                Kuchling
  SF  273  Import Modules from Zip Archives                        Ahlstrom
  SF  274  Dict Comprehensions                                     Warsaw
  SR  275  Switching on Multiple Values                            Lemburg
  SR  276  Simple Iterator for ints                                Althoff
  SF  277  Unicode file name support for Windows NT                Hodgson
  SF  278  Universal Newline Support                               Jansen
  SF  279  The enumerate() built-in function                       Hettinger
  SD  280  Optimizing access to globals                            GvR
  SR  281  Loop Counter Iteration with range and xrange            Hetland
  SF  282  A Logging System                                        Sajip, Mick
  IF  283  Python 2.3 Release Schedule                             GvR
  SR  284  Integer for-loops                                       Eppstein, Ewing
  SF  285  Adding a bool type                                      GvR
  SD  286  Enhanced Argument Tuples                                von Löwis
  I   287  reStructuredText Docstring Format                       Goodger
  SW  288  Generators Attributes and Exceptions                    Hettinger
  SF  289  Generator Expressions                                   Hettinger
  I   290  Code Migration and Modernization                        Hettinger
  IF  291  Backward Compatibility for the Python 2 Standard ...    Norwitz
  SF  292  Simpler String Substitutions                            Warsaw
  SF  293  Codec Error Handling Callbacks                          Dörwald
  SR  294  Type Names in the types Module                          Tirosh
  SR  295  Interpretation of multiline string constants            Koltsov
  SW  296  Adding a bytes Object Type                              Gilbert
  SR  297  Support for System Upgrades                             Lemburg
  SW  298  The Locked Buffer Interface                             Heller
  SR  299  Special __main__() function in modules                  Epler
 
 SF  301  Package Index and Metadata for Distutils                Jones
  SF  302  New Import Hooks                                        JvR, Moore
  SR  303  Extend divmod() for Multiple Divisors                   Bellman
  SW  304  Controlling Generation of Bytecode Files                Montanaro
  SF  305  CSV File API                                            Altis, Cole, McNamara, Montanaro, Wells
  IW  306  How to Change Python's Grammar                          Hudson, Diederich, Coghlan, Peterson
  SF  307  Extensions to the pickle protocol                       GvR, Peters
  SF  308  Conditional Expressions                                 GvR, Hettinger
  SF  309  Partial Function Application                            Harris
  SR  310  Reliable Acquisition/Release Pairs                      Hudson, Moore
  SF  311  Simplified Global Interpreter Lock Acquisition for ...  Hammond
  SD  312  Simple Implicit Lambda                                  Suzi, Martelli
  SR  313  Adding Roman Numeral Literals to Python                 Meyer
  SF  314  Metadata for Python Software Packages v1.1              Kuchling, Jones
  SR  315  Enhanced While Loop                                     Hettinger, Carroll
  SD  316  Programming by Contract for Python                      Way
  SR  317  Eliminate Implicit Exception Instantiation              Taschuk
  SF  318  Decorators for Functions and Methods                    Smith
  SR  319  Python Synchronize/Asynchronize Block                   Pelletier
  IF  320  Python 2.4 Release Schedule                             Warsaw, Hettinger, Baxter
  SW  321  Date/Time Parsing and Formatting                        Kuchling
  SF  322  Reverse Iteration                                       Hettinger
  SD  323  Copyable Iterators                                      Martelli
  SF  324  subprocess - New process module                         Astrand
  SR  325  Resource-Release Support for Generators                 Pedroni
  SR  326  A Case for Top and Bottom Values                        Carlson, Reedy
  SF  327  Decimal Data Type                                       Batista
  SF  328  Imports: Multi-Line and Absolute/Relative               Aahz
  SR  329  Treating Builtins as Constants in the Standard Library  Hettinger
  SR  330  Python Bytecode Verification                            Pelletier
  SF  331  Locale-Independent Float/String Conversions             Reis
  SR  332  Byte vectors and String/Unicode Unification             Montanaro
  IF  333  Python Web Server Gateway Interface v1.0                Eby
  SW  334  Simple Coroutines via SuspendIteration                  Evans
  SR  335  Overloadable Boolean Operators                          Ewing
  SR  336  Make None Callable                                      McClelland
  SD  337  Logging Usage in the Standard Library                   Dubner
  SF  338  Executing modules as scripts                            Coghlan
  IW  339  Design of the CPython Compiler                          Cannon
  SR  340  Anonymous Block Statements                              GvR
  SF  341  Unifying try-except and try-finally                     Brandl
  SF  342  Coroutines via Enhanced Generators                      GvR, Eby
  SF  343  The "with" Statement                                    GvR, Coghlan
  SS  344  Exception Chaining and Embedded Tracebacks              Yee
  SA  345  Metadata for Python Software Packages 1.2               Jones
  SW  346  User Defined ("``with``") Statements                    Coghlan
  PF  347  Migrating the Python CVS to Subversion                  von Löwis
  SR  348  Exception Reorganization for Python 3.0                 Cannon
  SD  349  Allow str() to return unicode strings                   Schemenauer
  IR  350  Codetags                                                Elliott
  SR  351  The freeze protocol                                     Warsaw
  SF  352  Required Superclass for Exceptions                      Cannon, GvR
  SF  353  Using ssize_t as the index type                         von Löwis
  SS  354  Enumerations in Python                                  Finney
  SR  355  Path - Object oriented filesystem paths                 Lindqvist
  IF  356  Python 2.5 Release Schedule                             Norwitz, GvR, Baxter
  SF  357  Allowing Any Object to be Used for Slicing              Oliphant
  SF  358  The "bytes" Object                                      Schemenauer, GvR
  SW  359  The "make" Statement                                    Bethard
  PF  360  Externally Maintained Packages                          Cannon
  IF  361  Python 2.6 and 3.0 Release Schedule                     Norwitz, Warsaw
  SF  362  Function Signature Object                               Cannon, Seo, Selivanov, Hastings
  SR  363  Syntax For Dynamic Attribute Access                     North
  SW  364  Transitioning to the Py3K Standard Library              Warsaw
  SR  365  Adding the pkg_resources module                         Eby
  SF  366  Main module explicit relative imports                   Coghlan
  SS  367  New Super                                               Spealman, Delaney
  SD  368  Standard image protocol and class                       Mastrodomenico
  SW  369  Post import hooks                                       Heimes
  SF  370  Per user site-packages directory                        Heimes
  SF  371  Addition of the multiprocessing package to the ...      Noller, Oudkerk
  SF  372  Adding an ordered dictionary to collections             Ronacher, Hettinger
  I   373  Python 2.7 Release Schedule                             Peterson
  PF  374  Choosing a distributed VCS for the Python project       Cannon, Turnbull, Vassalotti, Warsaw, Ochtman
  IF  375  Python 3.1 Release Schedule                             Peterson
  SA  376  Database of Installed Python Distributions              Ziadé
  SR  377  Allow __enter__() methods to skip the statement body    Coghlan
  SF  378  Format Specifier for Thousands Separator                Hettinger
  SW  379  Adding an Assignment Expression                         Whitley
  SF  380  Syntax for Delegating to a Subgenerator                 Ewing
  S   381  Mirroring infrastructure for PyPI                       Ziadé, v. Löwis
  SR  382  Namespace Packages                                      v. Löwis
  SF  383  Non-decodable Bytes in System Character Interfaces      v. Löwis
  SF  384  Defining a Stable ABI                                   v. Löwis
  PF  385  Migrating from Subversion to Mercurial                  Ochtman, Pitrou, Brandl
  SS  386  Changing the version comparison module in Distutils     Ziadé
  P   387  Backwards Compatibility Policy                          Peterson
 
 SF  389  argparse - New Command Line Parsing Module              Bethard
  SR  390  Static metadata for Distutils                           Ziadé
  SF  391  Dictionary-Based Configuration For Logging              Sajip
  I   392  Python 3.2 Release Schedule                             Brandl
  SF  393  Flexible String Representation                          v. Löwis
  I   394  The "python" Command on Unix-Like Systems               Staley, Coghlan, Warsaw
  SW  395  Qualified Names for Modules                             Coghlan
  ID  396  Module Version Numbers                                  Warsaw
  SF  397  Python launcher for Windows                             Hammond, v. Löwis
  I   398  Python 3.3 Release Schedule                             Brandl
  IF  399  Pure Python/C Accelerator Module Compatibility ...      Cannon
  SD  400  Deprecate codecs.StreamReader and codecs.StreamWriter   Stinner
  PR  401  BDFL Retirement                                         Warsaw, Cannon
  SR  402  Simplified Package Layout and Partitioning              Eby
  SD  403  General purpose decorator clause (aka "@in" clause)     Coghlan
  IF  404  Python 2.8 Un-release Schedule                          Warsaw
  SF  405  Python Virtual Environments                             Meyer
  SW  406  Improved Encapsulation of Import State                  Coghlan, Slodkowicz
  PD  407  New release cycle and introducing long-term support ... Pitrou, Brandl, Warsaw
  SR  408  Standard library __preview__ package                    Coghlan, Bendersky
  SF  409  Suppressing exception context                           Furman
  SR  410  Use decimal.Decimal type for timestamps                 Stinner
  IA  411  Provisional packages in the Python standard library     Coghlan, Bendersky
  SF  412  Key-Sharing Dictionary                                  Shannon
  PW  413  Faster evolution of the Python Standard Library         Coghlan
  SF  414  Explicit Unicode Literal for Python 3.3                 Ronacher, Coghlan
  SF  415  Implement context suppression with exception attributes Peterson
  SR  416  Add a frozendict builtin type                           Stinner
  SF  417  Including mock in the Standard Library                  Foord
  SF  418  Add monotonic time, performance counter, and ...        Simpson, Jewett, Turnbull, Stinner
  SD  419  Protecting cleanup statements from interruptions        Colomiets
  SF  420  Implicit Namespace Packages                             Smith
  SF  421  Adding sys.implementation                               Snow
  SW  422  Simpler customisation of class creation                 Coghlan, Urban
  ID  423  Naming conventions and recipes related to packaging     Bryon
  SF  424  A method for exposing a length hint                     Gaynor
  SA  425  Compatibility Tags for Built Distributions              Holth
  S   426  Metadata for Python Software Packages 2.0               Coghlan, Holth, Stufft
  SA  427  The Wheel Binary Package Format 1.0                     Holth
  SF  428  The pathlib module -- object-oriented filesystem paths  Pitrou
  I   429  Python 3.4 Release Schedule                             Hastings
  IF  430  Migrating to Python 3 as the default online ...         Coghlan
  SW  431  Time zone support improvements                          Regebro
  S   432  Simplifying the CPython startup sequence                Coghlan
  SS  433  Easier suppression of file descriptor inheritance       Stinner
  I   434  IDLE Enhancement Exception for All Branches             Rovito, Reedy
  SF  435  Adding an Enum type to the Python standard library      Warsaw, Bendersky, Furman
  S   436  The Argument Clinic DSL                                 Hastings
  SR  437  A DSL for specifying signatures, annotations and ...    Krah
  PA  438  Transitioning to release-file hosting on PyPI           Krekel, Meyer
  SR  439  Inclusion of implicit pip bootstrap in Python ...       Jones
  IA  440  Version Identification and Dependency Specification     Coghlan, Stufft
  SF  441  Improving Python ZIP Application Support                Holth, Moore
  SF  442  Safe object finalization                                Pitrou
  SF  443  Single-dispatch generic functions                       Langa
  ID  444  Python Web3 Interface                                   McDonough, Ronacher
  SF  445  Add new APIs to customize Python memory allocators      Stinner
  SF  446  Make newly created file descriptors non-inheritable     Stinner
  S   447  Add __getdescriptor__ method to metaclass               Oussoren
  SF  448  Additional Unpacking Generalizations                    Landau
  PA  449  Removal of the PyPI Mirror Auto Discovery and ...       Stufft
  SF  450  Adding A Statistics Module To The Standard Library      D'Aprano
  SF  451  A ModuleSpec Type for the Import System                 Snow
  I   452  API for Cryptographic Hash Functions v2.0               Kuchling, Heimes
  SF  453  Explicit bootstrapping of pip in Python installations   Stufft, Coghlan
  SF  454  Add a new tracemalloc module to trace Python memory ... Stinner
  SR  455  Adding a key-transforming dictionary to collections     Pitrou
  SF  456  Secure and interchangeable hash algorithm               Heimes
  I   457  Syntax For Positional-Only Parameters                   Hastings
  S   458  Surviving a Compromise of PyPI                          Kuppusamy, Diaz, Stufft, Cappos
  S   459  Standard Metadata Extensions for Python Software ...    Coghlan
  SW  460  Add binary interpolation and formatting                 Pitrou
  SF  461  Adding % formatting to bytes and bytearray              Furman
  PD  462  Core development workflow automation for CPython        Coghlan
  S   463  Exception-catching expressions                          Angelico
  PA  464  Removal of the PyPI Mirror Authenticity API             Stufft
  SF  465  A dedicated infix operator for matrix multiplication    Smith
  SF  466  Network Security Enhancements for Python 2.7.x          Coghlan
  S   467  Minor API improvements for binary sequences             Coghlan
  S   468  Preserving the order of \*\*kwargs in a function.       Snow
  SW  469  Migration of dict iteration code to Python 3            Coghlan
  P   470  Using Multi Repository Support for External to PyPI ... Stufft
  SF  471  os.scandir() function -- a better and faster ...        Hoyt
  S   472  Support for indexing with keyword arguments             Borini, Martinot-Lagarde
  S   473  Adding structured data to built-in exceptions           Kreft
  P   474  Creating forge.python.org                               Coghlan
  SF  475  Retry system calls failing with EINTR                   Natali, Stinner
  SF  476  Enabling certificate verification by default for ...    Gaynor
  SF  477  Backport ensurepip (PEP 453) to Python 2.7              Stufft, Coghlan
  I   478  Python 3.5 Release Schedule                             Hastings
  SF  479  Change StopIteration handling inside generators         Angelico, GvR
  S   480  Surviving a Compromise of PyPI: The Maximum ...         Kuppusamy, Diaz, Stufft, Cappos
  P   481  Migrate CPython to Git, Github, and Phabricator         Stufft
  I   482  Literature Overview for Type Hints                      Langa
  I   483  The Theory of Type Hints                                GvR
  SA  484  Type Hints                                              GvR, Lehtosalo, Langa
  SF  485  A Function for testing approximate equality             Barker
  SF  486  Make the Python Launcher aware of virtual environments  Moore
  S   487  Simpler customisation of class creation                 Teichmann
  SF  488  Elimination of PYO files                                Cannon
  SF  489  Multi-phase extension module initialization             Viktorin, Behnel, Coghlan
  S   490  Chain exceptions at C level                             Stinner
  S   491  The Wheel Binary Package Format 1.9                     Holth
  SF  492  Coroutines with async and await syntax                  Selivanov
  I   493  HTTPS verification recommendations for Python 2.7 ...   Coghlan, Kuska, Lemburg
  I   494  Python 3.6 Release Schedule                             Deily
  S   495  Local Time Disambiguation                               Belopolsky
  I   496  Environment Markers                                     Polley
 
 SD  628  Add ``math.tau``                                        Coghlan
 
 SR  666  Reject Foolish Indentation                              Creighton
 
 SR  754  IEEE 754 Floating Point Special Values                  Warnes
 
 PF 3000  Python 3000                                             GvR
  PW 3001  Procedure for reviewing and improving standard ...      Brandl
  PF 3002  Procedure for Backwards-Incompatible Changes            Bethard
  PF 3003  Python Language Moratorium                              Cannon, Noller, GvR
 
 PF 3099  Things that will Not Change in Python 3000              Brandl
  PF 3100  Miscellaneous Python 3.0 Plans                          Cannon
  SF 3101  Advanced String Formatting                              Talin
  SF 3102  Keyword-Only Arguments                                  Talin
  SR 3103  A Switch/Case Statement                                 GvR
  SF 3104  Access to Names in Outer Scopes                         Yee
  SF 3105  Make print a function                                   Brandl
  SF 3106  Revamping dict.keys(), .values() and .items()           GvR
  SF 3107  Function Annotations                                    Winter, Lownds
  SF 3108  Standard Library Reorganization                         Cannon
  SF 3109  Raising Exceptions in Python 3000                       Winter
  SF 3110  Catching Exceptions in Python 3000                      Winter
  SF 3111  Simple input built-in in Python 3000                    Roberge
  SF 3112  Bytes literals in Python 3000                           Orendorff
  SF 3113  Removal of Tuple Parameter Unpacking                    Cannon
  SF 3114  Renaming iterator.next() to iterator.__next__()         Yee
  SF 3115  Metaclasses in Python 3000                              Talin
  SF 3116  New I/O                                                 Stutzbach, GvR, Verdone
  SR 3117  Postfix type declarations                               Brandl
  SF 3118  Revising the buffer protocol                            Oliphant, Banks
  SF 3119  Introducing Abstract Base Classes                       GvR, Talin
  SF 3120  Using UTF-8 as the default source encoding              von Löwis
  SA 3121  Extension Module Initialization and Finalization        von Löwis
  SR 3122  Delineation of the main module                          Cannon
  SF 3123  Making PyObject_HEAD conform to standard C              von Löwis
  SD 3124  Overloading, Generic Functions, Interfaces, and ...     Eby
  SR 3125  Remove Backslash Continuation                           Jewett
  SR 3126  Remove Implicit String Concatenation                    Jewett, Hettinger
  SF 3127  Integer Literal Support and Syntax                      Maupin
  SR 3128  BList: A Faster List-like Type                          Stutzbach
  SF 3129  Class Decorators                                        Winter
  SR 3130  Access to Current Module/Class/Function                 Jewett
  SF 3131  Supporting Non-ASCII Identifiers                        von Löwis
  SF 3132  Extended Iterable Unpacking                             Brandl
  SR 3133  Introducing Roles                                       Winter
  SF 3134  Exception Chaining and Embedded Tracebacks              Yee
  SF 3135  New Super                                               Spealman, Delaney, Ryan
  SR 3136  Labeled break and continue                              Chisholm
  SF 3137  Immutable Bytes and Mutable Buffer                      GvR
  SF 3138  String representation in Python 3000                    Ishimoto
  SR 3139  Cleaning out sys and the "interpreter" module           Peterson
  SR 3140  str(container) should call str(item), not repr(item)    Broytmann, Jewett
  SF 3141  A Type Hierarchy for Numbers                            Yasskin
  SR 3142  Add a "while" clause to generator expressions           Britton
  SD 3143  Standard daemon process library                         Finney
  SF 3144  IP Address Manipulation Library for the Python ...      Moody
  SW 3145  Asynchronous I/O For subprocess.Popen                   Pruitt, McCreary, Carlson
  SW 3146  Merging Unladen Swallow into CPython                    Winter, Yasskin, Kleckner
  SF 3147  PYC Repository Directories                              Warsaw
  SF 3148  futures - execute computations asynchronously           Quinlan
  SF 3149  ABI version tagged .so files                            Warsaw
  SD 3150  Statement local namespaces (aka "given" clause)         Coghlan
  SF 3151  Reworking the OS and IO exception hierarchy             Pitrou
  SR 3152  Cofunctions                                             Ewing
  SS 3153  Asynchronous IO support                                 Houtven
  SF 3154  Pickle protocol version 4                               Pitrou
  SF 3155  Qualified name for classes and functions                Pitrou
  SF 3156  Asynchronous IO Support Rebooted: the "asyncio" Module  GvR
 
 IF 3333  Python Web Server Gateway Interface v1.0.1              Eby
 

Reserved PEP Numbers

     num  title                                                   owner
     ---  -----                                                   -----
     801  RESERVED                                                Warsaw


Key

    S - Standards Track PEP
    I - Informational PEP
    P - Process PEP

    A - Accepted proposal
    R - Rejected proposal
    W - Withdrawn proposal
    D - Deferred proposal
    F - Final proposal
    A - Active proposal
    D - Draft proposal
    S - Superseded proposal


Owners

    name                         email address
    ----                         -------------
    Aahz                         aahz at pythoncraft.com
     Ahlstrom, James C.           jim at interet.com
     Althoff, Jim                 james_althoff at i2.com
     Altis, Kevin                 altis at semi-retired.com
     Angelico, Chris              rosuav at gmail.com
     Ascher, David                davida at activestate.com
     Astrand, Peter               astrand at lysator.liu.se
     Banks, Carl                  pythondev at aerojockey.com
     Barker, Christopher          chris.barker at noaa.gov
     Barrett, Paul                barrett at stsci.edu
     Batista, Facundo             facundo at taniquetil.com.ar
     Baxter, Anthony              anthony at interlink.com.au
     Behnel, Stefan               stefan_ml at behnel.de
     Bellman, Thomas              bellman+pep-divmod@lysator.liu.se
     Belopolsky, Alexander        alexander.belopolsky at gmail.com
     Bendersky, Eli               eliben at gmail.com
     Bethard, Steven              steven.bethard at gmail.com
     Borini, Stefano              
    Brandl, Georg                georg at python.org
     Britton, Gerald              gerald.britton at gmail.com
     Broytmann, Oleg              phd at phd.pp.ru
     Bryon, Benoit                benoit at marmelune.net
     Cannon, Brett                brett at python.org
     Cappos, Justin               jcappos at nyu.edu
     Carlson, Josiah              jcarlson at uci.edu
     Carroll,         W Isaac     icarroll at pobox.com
     Chisholm, Matt               matt-python at theory.org
     Coghlan, Nick                ncoghlan at gmail.com
     Cole, Dave                   djc at object-craft.com.au
     Colomiets, Paul              paul at colomiets.name
     Craig, Christopher A.        python-pep at ccraig.org
     Creighton, Laura             lac at strakt.com
     D'Aprano, Steven             steve at pearwood.info
     Deily, Ned                   nad at acm.org
     Delaney, Tim                 timothy.c.delaney at gmail.com
     Diaz, Vladimir               vladimir.diaz at nyu.edu
     Diederich, Jack              jackdied at gmail.com
     Dörwald, Walter              walter at livinglogic.de
     Drake, Fred L., Jr.          fdrake at acm.org
     Dubner, Michael P.           dubnerm at mindless.com
     Dubois, Paul F.              paul at pfdubois.com
     Eby, P.J.                    pje at telecommunity.com
     Eby, Phillip J.              pje at telecommunity.com
     Elliott, Micah               mde at tracos.org
    Epler, Jeff                  jepler at unpythonic.net
     Eppstein, David              eppstein at ics.uci.edu
     Evans, Clark C.              cce at clarkevans.com
     Ewing, Gregory               greg.ewing at canterbury.ac.nz
     Ewing, Greg                  greg.ewing at canterbury.ac.nz
     Faassen, Martijn             faassen at infrae.com
     Finney, Ben                  ben+python@benfinney.id.au
     Foord, Michael               michael at python.org
     Furman, Ethan                ethan at stoneleaf.us
     Gaynor, Alex                 alex.gaynor at gmail.com
     Giacometti, Frédéric B.      fred at arakne.com
     Gilbert, Scott               xscottg at yahoo.com
    Goodger, David               goodger at python.org
     Griffin, Grant               g2 at iowegian.com
     Hammond, Mark                mhammond at skippinet.com.au
     Harris, Peter                scav at blueyonder.co.uk
     Hastings, Larry              larry at hastings.org
     Heimes, Christian            christian at python.org
     Heller, Thomas               theller at python.net
     Hetland, Magnus Lie          magnus at hetland.org
     Hettinger, Raymond           python at rcn.com
     Hodgson, Neil                neilh at scintilla.org
     Holth, Daniel                dholth at gmail.com
     Houtven, Laurens Van         _ at lvh.cc
     Hoyt, Ben                    benhoyt at gmail.com
     Hudson, Michael              mwh at python.net
     Hylton, Jeremy               jeremy at alum.mit.edu
     Ishimoto, Atsuo              ishimoto--at--gembook.org
    Jansen, Jack                 jack at cwi.nl
     Jewett, Jim J.               jimjjewett at gmail.com
     Jewett, Jim                  jimjjewett at gmail.com
     Jones, Richard               richard at python.org
     Kleckner, Reid               rnk at mit.edu
     Koltsov, Stepan              yozh at mx1.ru
     Krah, Stefan                 skrah at bytereef.org
     Kreft, Sebastian             skreft at deezer.com
     Krekel, Holger               holger at merlinux.eu
     Kuchling, A.M.               amk at amk.ca
     Kuppusamy, Trishank Karthik  trishank at nyu.edu
     Kuska, Robert                rkuska at redhat.com
     Landau, Joshua               joshua at landau.ws
     Langa, Łukasz                lukasz at langa.pl
     Lehtosalo, Jukka             jukka.lehtosalo at iki.fi
     Lemburg, Marc-André          mal at lemburg.com
     Lielens, Gregory             gregory.lielens at fft.be
     Lindqvist, Björn             bjourne at gmail.com
     von Löwis, Martin            martin at v.loewis.de
     v. Löwis, Martin             martin at v.loewis.de
     Lownds, Tony                 tony at lownds.com
     Martelli, Alex               aleaxit at gmail.com
     Martinot-Lagarde, Joseph     
    Mastrodomenico, Lino         l.mastrodomenico at gmail.com
     Maupin, Patrick              pmaupin at gmail.com
     McClelland, Andrew           eternalsquire at comcast.net
     McCreary, Charles R.         
    McDonough, Chris             chrism at plope.com
     McMillan, Gordon             gmcm at hypernet.com
     McNamara, Andrew             andrewm at object-craft.com.au
     Meyer, Mike                  mwm at mired.org
     Meyer, Carl                  carl at oddbird.net
     Mick, Trent                  trentm at activestate.com
     Montanaro, Skip              skip at pobox.com
     Moody, Peter                 pmoody at google.com
     Moore, Paul                  p.f.moore at gmail.com
     Natali, Charles-François     cf.natali at gmail.com
     Noller, Jesse                jnoller at gmail.com
     North, Ben                   ben at redfrontdoor.org
     Norwitz, Neal                nnorwitz at gmail.com
     Ochtman, Dirkjan             dirkjan at ochtman.nl
     Oliphant, Travis             oliphant at ee.byu.edu
     Orendorff, Jason             jason.orendorff at gmail.com
     Oudkerk, Richard             r.m.oudkerk at googlemail.com
     Oussoren, Ronald             ronaldoussoren at mac.com
     Pedroni, Samuele             pedronis at python.org
     Pelletier, Michel            michel at users.sourceforge.net
     Peters, Tim                  tim at zope.com
     Peterson, Benjamin           benjamin at python.org
     Petrone, Jason               jp at demonseed.net
     Pitrou, Antoine              solipsis at pitrou.net
     Polley, James                jp at jamezpolley.com
     Prescod, Paul                paul at prescod.net
     Pruitt, (James) Eric         
    Quinlan, Brian               brian at sweetapp.com
     Reedy, Terry                 tjreedy at udel.edu
     Regebro, Lennart             regebro at gmail.com
     Reifschneider, Sean          jafo-pep at tummy.com
     Reis, Christian R.           kiko at async.com.br
    Riehl, Jonathan              jriehl at spaceship.com
     Roberge, Andre               andre.roberge at gmail.com 
    Ronacher, Armin              armin.ronacher at active-4.com
     van Rossum, Guido (GvR)      guido at python.org
     van Rossum, Just (JvR)       just at letterror.com
     Rovito, Todd                 rovitotv at gmail.com
     Ryan, Lie                    lie.1296 at gmail.com
     Sajip, Vinay                 vinay_sajip at red-dove.com
    Schemenauer, Neil            nas at arctrix.com
     Schneider-Kamp, Peter        nowonder at nowonder.de
     Selivanov, Yury              yselivanov at sprymix.com
     Seo, Jiwon                   seojiwon at gmail.com
     Shannon, Mark                mark at hotpy.org
     Simpson, Cameron             cs at zip.com.au
     Slodkowicz, Greg             jergosh at gmail.com
     Smith, Nathaniel J.          njs at pobox.com
     Smith, Kevin D.              kevin.smith at themorgue.org
     Smith, Eric V.               eric at trueblade.com
     Snow, Eric                   ericsnowcurrently at gmail.com
     Spealman, Calvin             ironfroggy at gmail.com
     Staley, Kerrick              mail at kerrickstaley.com
     Stein, Greg                  gstein at lyra.org
     Stinner, Victor              victor.stinner at gmail.com
     Stufft, Donald               donald at stufft.io
     Stutzbach, Daniel            daniel at stutzbachenterprises.com
     Suzi, Roman                  rnd at onego.ru
     Talin                        talin at acm.org
     Taschuk, Steven              staschuk at telusplanet.net
     Teichmann, Martin            lkb.teichmann at gmail.com
     Tirosh, Oren                 oren at hishome.net
    Turnbull, Stephen J.         stephen at xemacs.org
     Urban, Daniel                urban.dani+py@gmail.com
     Vassalotti, Alexandre        alexandre at peadrop.com
     Verdone, Mike                mike.verdone at gmail.com
     Viktorin, Petr               encukou at gmail.com
     Warnes, Gregory R.           gregory_r_warnes at groton.pfizer.com
     Warsaw, Barry                barry at python.org
     Way, Terence                 terry at wayforward.net
     Wells, Cliff                 logiplexsoftware at earthlink.net
     Whitley, Jervis              jervisau at gmail.com
     Wilson, Greg                 gvwilson at ddj.com
     Winter, Collin               collinwinter at google.com
     Wouters, Thomas              thomas at python.org
     Yasskin, Jeffrey             jyasskin at google.com
     Yee, Ka-Ping                 ping at zesty.ca
     Zadka, Moshe                 moshez at zadka.site.co.il
     Zhu, Huaiyu                  hzhu at users.sourceforge.net
     Ziadé, Tarek                 tarek at ziade.org
 

References

    [1] PEP 1: PEP Purpose and Guidelines
    [2] View PEP history online
        https://hg.python.org/peps/