Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
What may be new in Python 3.4
Search
Christian Heimes
October 16, 2013
Programming
0
71
What may be new in Python 3.4
Slides from PyCon.DE 2013, Cologne
Christian Heimes
October 16, 2013
Tweet
Share
More Decks by Christian Heimes
See All by Christian Heimes
DevConf.CZ 2024: AI: Open Source will save us (InstructLab)
tiran
0
83
Language Summit 2022: WebAssembly: Python in the browser and beyond
tiran
2
860
Python 3.11 in the web browser – A journey (PyCon DE 2022 Keynote)
tiran
5
5.6k
PyCon LT 2021 Keynote: Ask a core developer anything
tiran
0
94
Nest with Fedora: An Introduction to the FAS Replacement
tiran
0
180
ConFoo 2020: systemd for developers and devops
tiran
1
580
PyCon BY 2020: Introduction to low-level profiling and tracing
tiran
0
120
Hamburg Python Pizza 2019: ssl module 10
tiran
0
170
DevConf.IN 2019: First steps into security engineering
tiran
0
99
Other Decks in Programming
See All in Programming
それ CLI フレームワークがなくてもできるよ / Building CLI Tools Without Frameworks
orgachem
PRO
11
2.9k
MCPで実現できる、Webサービス利用体験について
syumai
7
2.1k
バイブスあるコーディングで ~PHP~ 便利ツールをつくるプラクティス
uzulla
1
300
[Codecon - 2025] Como não odiar seus testes
camilacampos
0
100
CDK引数設計道場100本ノック
badmintoncryer
2
590
Advanced Micro Frontends: Multi Version/ Framework Scenarios
manfredsteyer
PRO
0
110
顧客の画像データをテラバイト単位で配信する 画像サーバを WebP にした際に起こった課題と その対応策 ~継続的な取り組みを添えて~
takutakahashi
4
1.4k
Claude Code派?Gemini CLI派? みんなで比較LT会!_20250716
junholee
1
750
The Evolution of Enterprise Java with Jakarta EE 11 and Beyond
ivargrimstad
0
530
Streamlitで実現できるようになったこと、実現してくれたこと
ayumu_yamaguchi
2
230
[SRE NEXT] 複雑なシステムにおけるUser Journey SLOの導入
yakenji
0
810
Vibe Codingの幻想を超えて-生成AIを現場で使えるようにするまでの泥臭い話.ai
fumiyakume
18
9.5k
Featured
See All Featured
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
181
54k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
44
2.4k
GraphQLの誤解/rethinking-graphql
sonatard
71
11k
Fantastic passwords and where to find them - at NoRuKo
philnash
51
3.3k
Rails Girls Zürich Keynote
gr2m
95
14k
Gamification - CAS2011
davidbonilla
81
5.4k
Why Our Code Smells
bkeepers
PRO
337
57k
Being A Developer After 40
akosma
90
590k
StorybookのUI Testing Handbookを読んだ
zakiyama
30
5.9k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
283
13k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
31
1.3k
Navigating Team Friction
lara
187
15k
Transcript
What's new What may be new in Python 3.4 PyCon.DE
2013, Köln Christian Heimes <
[email protected]
> @ChristianHeimes
OS/2 entfernt Windows XP weiter unterstützt
PEP 435 enum >>> from enum import Enum >>> class
Color(Enum): ... red = 1 ... green = 2 ... blue = 3 (Barry Warsaw, Eli Bendersky, Ethan Furman)
PEP 450 statistics module mean() variations() ... (Steven D'Aprano)
PEP 445 customize Python memory allocators malloc() resize() free() (Victor
Stinner)
PEP 454 tracemalloc module Debugging und Analyse von Speicherverbrauch (Victor
Stinner)
PEP 453 explicit bootstrapping of PIP $ python -m ensurepip
(Donald Stufft, Nick Coghlan)
PEP 427 Wheel Binary Package Format Installationsformat (nicht importierbar, kein
egg-Ersatz) Multiversion / Multiplattform Signed Packages (Daniel Holth)
PEP 425 Compatibility Tags for Built Distributions py33-none-any cp33-cp33m-linux_x86_64 cp33-abi3-win_amd64
(Daniel Holth)
PEP 428 pathlib module (?) >>> p = Path('docs') >>>
for child in p: child ... PosixPath('docs/conf.py') PosixPath('docs/_templates') ... >>> p.isfile() True (Antoine Pitrou)
PEP 431 time zone support pytz für stdlib Updates über
tzdata-update verschoben :( (Lennart Regebro)
PEP 436 Argument Clinic DSL Domain Specific Language für PyArg_ParseTupleAndKeywords()
aka Introspection für builtins (Larry Hastings)
PEP 451 ModuleSpec Type for the Import System module finder
↓ module spec ↓ module loader (Eric Snow)
PEP 452 API for Crypto Hash Function v2.0 digest.name digest.block_size
naming scheme bytes (Christian Heimes, AM Kuchling)
PEP 3156 Async IO support aka „Tulip“ Twisted / Tornado
pluggable event loop + protocol abstraction selector schon in 3.4 (Guido van Rossum, et. al.)
PEP 456 Secure and interchangeable hash algorithm Dan Bernsteins SipHash24
als Hash-Algorithmus für str, bytes, memoryview (Christian Heimes)
PEP 424 A method for exposing a length hint __length_hint__()
(Alex Gaynor)
PEP 447 Add __locallookup__ method to metaclass def lookup(mro_list, name):
for cls in mro_list: if name in cls.__dict__: return cls.__dict__ return NotFound def lookup(mro_list, name): for cls in mro_list: try: return cls.__locallookup__(name) except AttributeError: pass return NotFound (Ronald Oussoren)
Crypto SSL-Modul-Verbesserungen SHA-3 (Keccak) PBKDF2 os.urandom() (Christian Heimes, Antoine Pitrou)
Python Startup tip compared to v3.4.0a3: ### normal_startup ### Min:
0.506533 -> 0.313627: 1.62x faster Avg: 0.582504 -> 0.441796: 1.32x faster Significant (t=19.98) Stddev: 0.02397 -> 0.04366: 1.8213x larger (Antoine Pitrou, Victor Stinner, Christian Heimes)