Python

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(Python 2.3 on Debian)
 
(未显示4个用户的179个中间版本)
第1行: 第1行:
[[Image:Python-logo.gif|right]]
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[[Image:Python-90x90.png|right]]
  
http://www.python.org/
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Python 是一种面向对象的解释性的计算机程序设计语言,也是一种功能强大而完善的 通用型语言,已经具有十多年的发展历史,成熟且稳定。
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[[Image:python-powered-w-100x40.png|right]]
  
 +
==新闻==
 +
{{SeeWikipedia|Python (programming language)}}
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<rss>http://planetpython.org/rss20.xml|short|date|max=8</rss>
 +
 +
==简介==
 +
Python是[[Data_science|数据科学]]和[[Artificial intelligence|人工智能]]的交互语言 :)
 +
 +
At Google, python is one of the 3 "official languages" alongside with C++ and Java. [http://panela.blog-city.com/python_at_google_greg_stein__sdforum.htm Python at Google], Google Group, code.google.com 等服务基于 Python 构建。
 +
 +
[[Unladen Swallow]]: A faster implementation of Python, Google发起的项目, 值得关注
 +
 +
将 Python 带入企业级应用: [[Enterprise Python]]
 +
 +
==版本==
 +
主要分支:2.7、3.4、3.5、3.6、3.7
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*[https://www.zhihu.com/question/19698598 Python 2 和 Python 3 有哪些主要区别?]
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*[http://docs.huihoo.com/python/3/howto/pyporting.html Porting Python 2 Code to Python 3] [http://docs.huihoo.com/python/3/howto/cporting.html Porting Extension Modules to Python 3]
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*[http://docs.huihoo.com/python/3/ Python 3.x]
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*[http://docs.huihoo.com/python/2/ Python 2.x]
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* [http://www.python.org/download/releases/2.5 Python 2.5] (September 19, 2006)
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* [http://www.python.org/download/releases/2.4.4 Python 2.4.4] (October 18, 2006) 
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* [http://www.python.org/download/releases/2.3.6 Python 2.3.6] (November 1, 2006) 
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* [http://www.python.org/download/releases/2.2.3 Python 2.2.3] (May 30, 2003) 
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* [http://www.python.org/download/releases/2.1.3 Python 2.1.3] (April 8, 2002) 
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* [http://www.python.org/download/releases/2.0.1 Python 2.0.1] (June 2001) 
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* [http://www.python.org/download/releases/1.6.1 Python 1.6.1] (September 2000) 
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* [http://www.python.org/download/releases/1.5 Python 1.5.2] (April 1999)
 +
 +
 +
==指南==
 +
$ python3 -m sysconfig // 返回非常多的配置信息
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 +
Python 2.4.4 (#1, Feb  3 2007, 09:56:56)
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[GCC 3.3.5 (Debian 1:3.3.5-13)] on linux2
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Type "help", "copyright", "credits" or "license" for more information.
 +
>>> 'Ruby' > 'Python'
 +
True
 +
>>> 'Ruby' > 'Java'
 +
True
 +
>>> 'Ruby' > 'C/C++'
 +
True
 +
有点意思 :)
 +
 +
安装 pip3,如 [[Debian]] 环境
 +
$ sudo apt update
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$ sudo apt install python3-pip
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$ pip3 --version
 +
 +
==实现==
 +
*[[CPython]]
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*[[IronPython]]
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*[[Jython]]
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*[[PyPy]]
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*[https://github.com/bjpop/berp/ Berp] an implementation of Python 3 written in [[Haskell]]. [https://wiki.python.org/moin/PythonVsHaskell Python vs Haskell]
 +
 +
==函数式编程==
 +
通过lambda关键字,可以创建很小的匿名函数。
 +
>>> def make_incrementor(n):
 +
...    return lambda x: x + n
 +
...
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>>> f = make_incrementor(42)
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>>> f(0)
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42
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>>> f(1)
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43
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*[http://docs.huihoo.com/python/pycon/2014/decorators-a-powerful-weapon-in-your-python-arsenal.pdf Decorators: A Powerful Weapon in Your Python Arsenal]
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*[http://docs.huihoo.com/python/pycon/2014/advanced-methods-for-creating-decorators.pdf Advanced methods for creating decorators]
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*[http://www.infoq.com/cn/articles/fn.py-functional-programming-python Fn.py:享受Python中的函数式编程]
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*[http://program-think.blogspot.com/2012/02/why-choose-python-4-fp.html 作为函数式编程语言的Python] 要翻墙
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 +
==项目==
 +
*[https://github.com/vinta/awesome-python Awesome Python][[文件:awesome.png]]
 +
*[[Quixote]]
 +
*[[Django]]
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*[[TurboGears]]
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*[[Twisted]]
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*[[ActiveGrid]]
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*[[Karrigell]]
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*[[webpy]]
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*[[Tornado]]
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*[[CherryPy]]
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*[[Myghty]]
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*[[Mako]]
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*[[Pylons]]
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*[[Anaconda python]]
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*[[Zope]]
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*[[Plone]]
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更多: [[Huihoo Python Applications]]
 +
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==桌面==
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将 Python 带入桌面环境:[[PyQt]]、[[PyGTK]]、[[wxPython]]
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[https://github.com/PySimpleGUI/PySimpleGUI PySimpleGUI]
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==Web Server==
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[[WSGI]] Server
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*[[flup]]
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*[[Gunicorn]]
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*[[uWSGI]]
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*[[CherryPy]]
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*[[Twisted]] Web
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*[https://github.com/GrahamDumpleton/mod_wsgi mod_wsgi]
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==Python应用==
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*[[Python and Math]]
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*Python 企业级应用 [[Enterprise Python]]
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*[[IMDbPY]]
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*[[Zenoss]]
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===Python and Grid===
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*[[Python Core]] - http://dev.globus.org/wiki/Python_Core
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===Python Web Services===
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*Python Web 服务开发者 - http://www-128.ibm.com/developerworks/cn/webservices/ws-pyth/index.html
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==Python IDE & Editor==
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*使用 [[Aptana]] 进行 Python 应用开发。
 +
*[[Vim]]
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*[[GNU Emacs]]
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*[[Eric]]
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*[[PyDev]]
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*[[ActivePython]]
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*[[Boa Constructor]]
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*[[DrPython]]
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*[[PythonCard]]
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*[[ActiveGrid]]
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*[[EasyEclipse for Python]]
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更多 IDEs: http://wiki.python.org/moin/IntegratedDevelopmentEnvironments
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==pygame==
 +
*[[pygame 1945|1945]]
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==Python Enhancement Proposals(PEPs)==
 +
PEPs 有点类似 Java JSRs
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*[http://www.python.org/dev/peps/pep-0333/ PEP 333: Python Web Server Gateway Interface v1.0]
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*[http://www.python.org/dev/peps/pep-0249 PEP 249: Python Database API Specification v2.0]
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*[http://www.python.org/dev/peps/pep-0361 PEP 361: Python 2.6 Release Schedule]
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*[http://www.python.org/dev/peps/pep-3100 PEP 3100: Python 3.0 Plans]
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更多 PEPs : http://www.python.org/dev/peps/
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==Linux==
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===Python 3 on Debian===
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$ curl -O https://www.python.org/ftp/python/3.8.9/Python-3.8.9.tar.xz
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$ tar -xf Python-3.8.9.tar.xz
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$ make -j 4
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$ sudo make altinstall
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$ python3.8 --version
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===Python 2.3 on Debian===
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from module import * in Python is like use module in Perl; import module in Python is like require module in Perl.
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from module import * in Python is like import module.* in Java; import module in Python is like import module in Java.
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Debian 3.1 安装后自带 Python 2.3.5
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>>> import sys
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>>> sys.path.append('/home/allen/test/diveintopython-5.4/py') // apihelper.py 在 py 目录下
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>>> import apihelper
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>>> sys.path
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===Python 2.4 on Debian===
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#apt-get install python2.4
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设置环境
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export PYTHONPATH = /usr/lib/python2.4
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or
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wget http://download.huihoo.com/python/2.4.3/Python-2.4.3.tgz
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tar zxvf Python-2.4.3.tgz
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cd Python-2.4.3
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./configure
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make
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make install // installed to /usr/local/lib/python2.4
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/usr/local/bin/python2.4
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Python 2.4.3 (#1, Mar  5 2007, 15:20:37)
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[GCC 3.3.5 (Debian 1:3.3.5-13)] on linux2
 +
Type "help", "copyright", "credits" or "license" for more information.
 +
>>>
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ln -s /usr/local/bin/python2.4 /usr/bin/python
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设置环境, 共存多个python版本, Default python version in Debian
 +
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===Python 2.5 on Debian===
 
[[Python 2.5新特性]]
 
[[Python 2.5新特性]]
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wget http://www.python.org/ftp/python/2.5/Python-2.5.tgz
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tar zxvf Python-2.5.tgz
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cd Python-2.5
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./configure
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make
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make install
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设置环境
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export PYTHONPATH = 
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==Solaris==
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==FreeBSD==
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FreeBSD 6.1 安装有 Python 2.4.2
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==Windows==
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http://download.huihoo.com/python/2.5/python-2.5.msi
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set path=%path%;C:\Python25
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set lib=%lib%;C:\Python25\lib
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运行命令行或集成开发环境 IDLE
 +
>>> help()
 +
help>modules
 +
help>sys
 +
help>modules search
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help>SearchEngine
 +
help>modules hash
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help>hashlib
 +
help>quit
 +
>>>
 +
获得 mod_python , http://www.apache.org/dist/httpd/modpython/win/
 +
http://www.apache.org/dist/httpd/modpython/win/3.3.0b/mod_python-3.3.0b.win32-py2.5-Apache2.2.exe
 +
会被安装到 C:\Python25\Lib\site-packages\
 +
并在安装过程中提示输入 Apache 的位置, C:\apache-2.2.3
 +
mod_python.so 被添加到 C:\apache-2.2.3\modules
 +
修改 httpd.conf
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LoadModule python_module modules/mod_python.so
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<Directory "C:/myweb">
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  SetHandler mod_python
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  PythonHandler mod_python.publisher
 +
</Directory>
 +
 +
创建index.py文件
 +
def index(name):
 +
  return "Welcome %s" % name 
 +
http://localhost/python/?name=huihoo (OK :)
 +
 +
下载 mod_python example
 +
http://www.modpython.org/examples/psp_site.tgz
 +
http://localhost/psp_site/
 +
 +
==Database==
 +
DB-API 标准
 +
* [http://www.python.org/dev/peps/pep-0249 Python Database API Specification v2.0]
 +
* [http://www.python.org/dev/peps/pep-0248 Python Database API Specification v1.0]
 +
 +
===MySQL===
 +
http://sourceforge.net/projects/mysql-python/
 +
获得 MySQL-python.exe-1.2.1_p2.win32-py2.4.exe
 +
包安装到 C:\Python24\Lib\site-packages\MySQLdb
 +
or Debian
 +
#apt-get install python2.3-mysqldb
 +
>>> import MySQLdb
 +
>>> db = MySQLdb.connect("localhost","root","password","mysql")
 +
>>> cursor = db.cursor()
 +
>>> sql = "select * from db"
 +
>>> cursor.execute(sql)
 +
>>> data = cursor.fetchone()
 +
>>> print data
 +
>>> db.close()
 +
 +
===PostgreSQL===
 +
*[[psycopg]]: http://initd.org/projects/psycopg1
 +
*[[pyPgSQL]]: http://pypgsql.sourceforge.net/
 +
*[[PySQLite]]
 +
*[[PyGreSQL]]
 +
 +
===Berkeley DB===
 +
*anydbm: Generic interface to DBM-style database modules.
 +
*whichdb: Guess which DBM-style module created a given database.
 +
*dbm: The standard ``database'' interface, based on ndbm.
 +
*gdbm: GNU's reinterpretation of dbm.
 +
*dbhash: DBM-style interface to the BSD database library.
 +
*[[Python bsddb|bsddb]]: Interface to Berkeley DB database library
 +
*dumbdbm: Portable implementation of the simple DBM interface.
 +
http://pybsddb.sourceforge.net/
 +
>>> import anydbm
 +
>>> db = anydbm.open('cache', 'c')
 +
>>> db['www.python.org'] = 'Python Website'
 +
>>> db['www.huihoo.com'] = 'Open Source Community'
 +
>>> for k, v in db.iteritems():
 +
print k, '\t', v
 +
 +
www.huihoo.com Open Source Community
 +
www.python.org Python Website
 +
 +
===SQLite===
 +
Python 2.5 内置了对 sqlite3 的支持- http://docs.huihoo.com/python/2.5/lib/module-sqlite3.html
 +
 +
[[pysqlite]]
 +
 +
===ORM/Persistence===
 +
*[[SQLObject]]
 +
*[[SQLAlchemy]]
 +
*[[Modeling Object-Relational Bridge for python|Modeling]]
 +
*[[Durus]]
 +
*[[Python Database Objects]]
 +
 +
==LDAP==
 +
*[[python-ldap]]
 +
 +
==Modules==
 +
[[Python Modules]]
 +
 +
==C/C++==
 +
>>> import dl, time
 +
>>> a = dl.open('/lib/libc.so.6')
 +
>>> a.call('time')
 +
1207223740
 +
==技巧==
 +
看一个module包含的函数
 +
import sys
 +
content = dir(sys)
 +
print content
 +
 +
==问题==
 +
'import site' failed; use -v for traceback
 +
 +
unable to open /usr/lib/python2.3/config/Makefile (No such file or directory)
 +
#apt-get install python2.3-dev
 +
 +
==应用==
 +
*http://groups.google.com
 +
*http://reddit.com
 +
*http://www.douban.com
 +
*[http://highscalability.com/blog/2011/3/14/6-lessons-from-dropbox-one-million-files-saved-every-15-minu.html Python 在 Dropbox 的运用]
 +
 +
==文档==
 +
*[http://docs.huihoo.com/python/ Python文档]包含3.1.2, 3.1, 2.6.5, 2.5, 2.4.4, 2.4.3, 2.4.2, 2.4.1, 2.3.5, 2.3.4, 2.3.3, 2.3等版本文档。
 +
*Python 研究([http://diveintopython.org/ Dive Into Python)] 
 +
*The Standard Python Library - http://www.effbot.org/librarybook/
 +
*[http://docs.huihoo.com/scipy/scipy-zh-cn/ 用Python做科学计算]
 +
*[http://docs.huihoo.com/python/python-guide/en The Hitchhiker's Guide to Python!]
 +
 +
==图书==
 +
*[http://book.huihoo.com/dive-into-python Dive Into Python]
 +
*[http://book.huihoo.com/how-to-think-like-a-computer-scientist-python-version/ How to Think Like a Computer Scientist Python Version]
 +
 +
==图集==
 +
<gallery>
 +
image:python-interpreter.png|interpreter
 +
image:mindsdb.png|MindsDB
 +
</gallery>
 +
 +
==链接==
 +
*http://www.python.org/
 +
*http://cheeseshop.python.org
 +
*http://docs.huihoo.com/python/
 +
*http://download.huihoo.com/python/
 +
*http://www.pygame.org/
 +
*[http://www.woodpecker.org.cn/ 啄木鸟 Pythonic 开源社区] 
 +
*[http://python.cn/ Python中文社区] 
 +
*[http://czug.org/about/python/ Python资源]
 +
*[http://pythonsource.com/ Open Source Software in Python]
 +
*http://www.pocoo.org/
 +
*[http://scipy.org/ SciPy]
 +
*[http://www.infoq.com/cn/news/2014/07/pycon-2014 PyCon 2014:机器学习应用占据Python的半壁江山]
 +
*[https://developers.google.com/edu/python/ Google's Python Class]
 +
 +
[[category:programming language]]
 +
[[category:c programming language]]
 +
[[category:python]]
 +
[[category:huihoo]]

2022年3月9日 (三) 05:26的最后版本

Python-90x90.png

Python 是一种面向对象的解释性的计算机程序设计语言,也是一种功能强大而完善的 通用型语言,已经具有十多年的发展历史,成熟且稳定。

Python-powered-w-100x40.png

目录

[编辑] 新闻

Wikipedia-35x35.png 您可以在Wikipedia上了解到此条目的英文信息 Python Thanks, Wikipedia.

自http://planetpython.org/rss20.xml加载RSS失败或RSS源被墙

[编辑] 简介

Python是数据科学人工智能的交互语言 :)

At Google, python is one of the 3 "official languages" alongside with C++ and Java. Python at Google, Google Group, code.google.com 等服务基于 Python 构建。

Unladen Swallow: A faster implementation of Python, Google发起的项目, 值得关注

将 Python 带入企业级应用: Enterprise Python

[编辑] 版本

主要分支:2.7、3.4、3.5、3.6、3.7


[编辑] 指南

$ python3 -m sysconfig // 返回非常多的配置信息

Python 2.4.4 (#1, Feb  3 2007, 09:56:56) 
[GCC 3.3.5 (Debian 1:3.3.5-13)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> 'Ruby' > 'Python'
True
>>> 'Ruby' > 'Java'
True
>>> 'Ruby' > 'C/C++'
True

有点意思 :)

安装 pip3,如 Debian 环境

$ sudo apt update
$ sudo apt install python3-pip
$ pip3 --version

[编辑] 实现

[编辑] 函数式编程

通过lambda关键字,可以创建很小的匿名函数。

>>> def make_incrementor(n):
...     return lambda x: x + n
... 
>>> f = make_incrementor(42)
>>> f(0)
42
>>> f(1)
43

[编辑] 项目

更多: Huihoo Python Applications

[编辑] 桌面

将 Python 带入桌面环境:PyQtPyGTKwxPython

PySimpleGUI

[编辑] Web Server

WSGI Server

[编辑] Python应用

[编辑] Python and Grid

[编辑] Python Web Services

[编辑] Python IDE & Editor

更多 IDEs: http://wiki.python.org/moin/IntegratedDevelopmentEnvironments

[编辑] pygame

[编辑] Python Enhancement Proposals(PEPs)

PEPs 有点类似 Java JSRs

更多 PEPs : http://www.python.org/dev/peps/

[编辑] Linux

[编辑] Python 3 on Debian

$ curl -O https://www.python.org/ftp/python/3.8.9/Python-3.8.9.tar.xz
$ tar -xf Python-3.8.9.tar.xz
$ make -j 4
$ sudo make altinstall
$ python3.8 --version
 

[编辑] Python 2.3 on Debian

from module import * in Python is like use module in Perl; import module in Python is like require module in Perl.
from module import * in Python is like import module.* in Java; import module in Python is like import module in Java.
Debian 3.1 安装后自带 Python 2.3.5
>>> import sys
>>> sys.path.append('/home/allen/test/diveintopython-5.4/py') // apihelper.py 在 py 目录下
>>> import apihelper
>>> sys.path

[编辑] Python 2.4 on Debian

#apt-get install python2.4 

设置环境

export PYTHONPATH = /usr/lib/python2.4 
or
wget http://download.huihoo.com/python/2.4.3/Python-2.4.3.tgz
tar zxvf Python-2.4.3.tgz
cd Python-2.4.3
./configure 
make
make install // installed to /usr/local/lib/python2.4
/usr/local/bin/python2.4
Python 2.4.3 (#1, Mar  5 2007, 15:20:37)
[GCC 3.3.5 (Debian 1:3.3.5-13)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>
ln -s /usr/local/bin/python2.4 /usr/bin/python

设置环境, 共存多个python版本, Default python version in Debian

[编辑] Python 2.5 on Debian

Python 2.5新特性

wget http://www.python.org/ftp/python/2.5/Python-2.5.tgz
tar zxvf Python-2.5.tgz
cd Python-2.5
./configure 
make
make install 

设置环境

export PYTHONPATH =  

[编辑] Solaris

[编辑] FreeBSD

FreeBSD 6.1 安装有 Python 2.4.2

[编辑] Windows

http://download.huihoo.com/python/2.5/python-2.5.msi
set path=%path%;C:\Python25
set lib=%lib%;C:\Python25\lib

运行命令行或集成开发环境 IDLE

>>> help()
help>modules 
help>sys
help>modules search 
help>SearchEngine
help>modules hash
help>hashlib
help>quit
>>>

获得 mod_python , http://www.apache.org/dist/httpd/modpython/win/

http://www.apache.org/dist/httpd/modpython/win/3.3.0b/mod_python-3.3.0b.win32-py2.5-Apache2.2.exe
会被安装到 C:\Python25\Lib\site-packages\ 
并在安装过程中提示输入 Apache 的位置, C:\apache-2.2.3
mod_python.so 被添加到 C:\apache-2.2.3\modules

修改 httpd.conf

LoadModule python_module modules/mod_python.so
<Directory "C:/myweb">
  SetHandler mod_python
  PythonHandler mod_python.publisher
</Directory>

创建index.py文件

def index(name):
  return "Welcome %s" % name   
http://localhost/python/?name=huihoo (OK :)

下载 mod_python example

http://www.modpython.org/examples/psp_site.tgz 
http://localhost/psp_site/

[编辑] Database

DB-API 标准

[编辑] MySQL

http://sourceforge.net/projects/mysql-python/

获得 MySQL-python.exe-1.2.1_p2.win32-py2.4.exe 
包安装到 C:\Python24\Lib\site-packages\MySQLdb 

or Debian

#apt-get install python2.3-mysqldb
>>> import MySQLdb
>>> db = MySQLdb.connect("localhost","root","password","mysql")
>>> cursor = db.cursor()
>>> sql = "select * from db"
>>> cursor.execute(sql)
>>> data = cursor.fetchone()
>>> print data
>>> db.close()

[编辑] PostgreSQL

[编辑] Berkeley DB

  • anydbm: Generic interface to DBM-style database modules.
  • whichdb: Guess which DBM-style module created a given database.
  • dbm: The standard ``database interface, based on ndbm.
  • gdbm: GNU's reinterpretation of dbm.
  • dbhash: DBM-style interface to the BSD database library.
  • bsddb: Interface to Berkeley DB database library
  • dumbdbm: Portable implementation of the simple DBM interface.

http://pybsddb.sourceforge.net/

>>> import anydbm
>>> db = anydbm.open('cache', 'c')
>>> db['www.python.org'] = 'Python Website'
>>> db['www.huihoo.com'] = 'Open Source Community'
>>> for k, v in db.iteritems():

print k, '\t', v

www.huihoo.com 	Open Source Community
www.python.org 	Python Website

[编辑] SQLite

Python 2.5 内置了对 sqlite3 的支持- http://docs.huihoo.com/python/2.5/lib/module-sqlite3.html

pysqlite

[编辑] ORM/Persistence

[编辑] LDAP

[编辑] Modules

Python Modules

[编辑] C/C++

>>> import dl, time
>>> a = dl.open('/lib/libc.so.6')
>>> a.call('time')
1207223740

[编辑] 技巧

看一个module包含的函数

import sys
content = dir(sys)
print content

[编辑] 问题

'import site' failed; use -v for traceback

unable to open /usr/lib/python2.3/config/Makefile (No such file or directory)

#apt-get install python2.3-dev

[编辑] 应用

[编辑] 文档

[编辑] 图书

[编辑] 图集

[编辑] 链接

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