python2.7 setup.py install

[root@typhoeus79 numpy-1.8.0]# python2.7

Python 2.7.3 (default, Nov 27 2012, 17:47:24)

[GCC 4.1.2 20080704 (Red Hat 4.1.2-46)] on linux2

Type "help", "copyright", "credits" or "license" for more information.

>>> import numpy

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

  File "numpy/__init__.py", line 143, in <module>

    raise ImportError(msg)

ImportError: Error importing numpy: you should not try to import numpy from

        its source directory; please exit the numpy source tree, and relaunch

        your python intepreter from there.

>>> 

[root@typhoeus79 numpy-1.8.0]# ll

drwxr-xr-x 18  501 games 4096 Nov 13 17:57 numpy

>>> import numpy

>>> print numpy.__version__

1.9.0.dev-4d0076f

作用：

Six is a Python 2 and 3 compatibility library.  It provides utility functions

for smoothing over the differences between the Python versions with the goal of

writing Python code that is compatible on both Python versions.  See the

documentation for more information on what is provided.

说明：

The pyparsing module is an alternative approach to creating and executing

simple grammars, vs. the traditional lex/yacc approach, or the use of

regular expressions.  The pyparsing module provides a library of classes

that client code uses to construct the grammar directly in Python code.

Here is a program to parse "Hello, World!" (or any greeting of the form

"<salutation>, <addressee>!"):

    from pyparsing import Word, alphas

    greet = Word( alphas ) + "," + Word( alphas ) + "!"

    hello = "Hello, World!"

    print hello, "->", greet.parseString( hello )

The program outputs the following:

    Hello, World! -> ['Hello', ',', 'World', '!']

python2.7 setup.py install

>>> import matplotlib

>>> print matplotlib.__version__

1.3.1

"""

This example shows how to use a path patch to draw a bunch of

rectangles for an animated histogram

"""

import numpy as np

import matplotlib.pyplot as plt

import matplotlib.patches as patches

import matplotlib.path as path

import matplotlib.animation as animation

fig, ax = plt.subplots()

# histogram our data with numpy

data = np.random.randn(1000)

n, bins = np.histogram(data, 100)

# get the corners of the rectangles for the histogram

left = np.array(bins[:-1])

right = np.array(bins[1:])

bottom = np.zeros(len(left))

top = bottom + n

nrects = len(left)

# here comes the tricky part -- we have to set up the vertex and path

# codes arrays using moveto, lineto and closepoly

# for each rect: 1 for the MOVETO, 3 for the LINETO, 1 for the

# CLOSEPOLY; the vert for the closepoly is ignored but we still need

# it to keep the codes aligned with the vertices

nverts = nrects*(1+3+1)

verts = np.zeros((nverts, 2))

codes = np.ones(nverts, int) * path.Path.LINETO

codes[0::5] = path.Path.MOVETO

codes[4::5] = path.Path.CLOSEPOLY

verts[0::5,0] = left

verts[0::5,1] = bottom

verts[1::5,0] = left

verts[1::5,1] = top

verts[2::5,0] = right

verts[2::5,1] = top

verts[3::5,0] = right

verts[3::5,1] = bottom

barpath = path.Path(verts, codes)

patch = patches.PathPatch(barpath, facecolor='green', edgecolor='yellow', alpha=0.5)

ax.add_patch(patch)

ax.set_xlim(left[0], right[-1])

ax.set_ylim(bottom.min(), top.max())

def animate(i):

    # simulate new data coming in

    data = np.random.randn(1000)

    n, bins = np.histogram(data, 100)

    top = bottom + n

    verts[1::5,1] = top

    verts[2::5,1] = top

ani = animation.FuncAnimation(fig, animate, 100, repeat=False)

plt.savefig("./test.png") #测试环境属于CentOS release 5.4非界面版

#plt.show() #故show不出来

[root@typhoeus79 20131113]# ipython

Python 2.4.3 (#1, Sep  3 2009, 15:37:37)

Type "copyright", "credits" or "license" for more information.

IPython 0.8.4 -- An enhanced Interactive Python.

?         -> Introduction and overview of IPython's features.

%quickref -> Quick reference.

help      -> Python's own help system.

object?   -> Details about 'object'. ?object also works, ?? prints more.

In [1]: %pycat test.

test.png  test.py   test.txt  

In [1]: %pycat test.txt

test ipython

/usr/local/sinasrv2/lib/python2.7/site-packages/IPython/utils/path.py:424: UserWarning: Found old IPython config file u'/root/.ipython/ipy_user_conf.py' (modified by user)