11个你可能不知道的Python库

1) delorean

非常酷的日期/时间库

from delorean import Delorean
EST = "US/Eastern"
d = Delorean(timezone=EST)
2) prettytable

2) prettytable

可以在浏览器或终端构建很不错的输出

from prettytable import PrettyTable
table = PrettyTable(["animal", "ferocity"])
table.add_row(["wolverine", 100])
table.add_row(["grizzly", 87])
table.add_row(["Rabbit of Caerbannog", 110])
table.add_row(["cat", -1])
table.add_row(["platypus", 23])
table.add_row(["dolphin", 63])
table.add_row(["albatross", 44])
table.sort_key("ferocity")
table.reversesort = True
+----------------------+----------+
|        animal        | ferocity |
+----------------------+----------+
| Rabbit of Caerbannog |   110    |
|      wolverine       |   100    |
|       grizzly        |    87    |
|       dolphin        |    63    |
|      albatross       |    44    |
|       platypus       |    23    |
|         cat          |    -1    |
+----------------------+----------+

3) snowballstemmer

非常瘦小的语言转换库，支持15种语言

from snowballstemmer import EnglishStemmer, SpanishStemmer
EnglishStemmer().stemWord("Gregory")
# Gregori
SpanishStemmer().stemWord("amarillo")
# amarill

4) wget

Python的网络爬虫库

import wget
wget.download(" 
# 100% [............................................................................] 280385 / 280385

5) PyMC

PyMC，一个用于贝叶斯分析的函数库

from pymc.examples import disaster_model
from pymc import MCMC
M = MCMC(disaster_model)
M.sample(iter=10000, burn=1000, thin=10)
[-----------------100%-----------------] 10000 of 10000 complete in 1.4 sec

6) sh

将shell命令作为函数导入Python脚本

from sh import find
find("/tmp")
/tmp/foo
/tmp/foo/file1.json
/tmp/foo/file2.json
/tmp/foo/file3.json
/tmp/foo/bar/file3.json

7) fuzzywuzzy

用于字符串匹配率、令牌匹配等

from fuzzywuzzy import fuzz
fuzz.ratio("Hit me with your best shot", "Hit me with your pet shark")
# 85

8) progressbar

如其名，一个滚动条函数库

from progressbar import ProgressBar
import time
pbar = ProgressBar(maxval=10)
for i in range(1, 11):
    pbar.update(i)
    time.sleep(1)
 pbar.finish()
# 60% |########################################################                                      |

9) colorama

一个色彩库，可以为文本添加丰富的色彩

10) uuid

一个可以产生唯一uuid的库

import uuid
print uuid.uuid4()
# e7bafa3d-274e-4b0a-b9cc-d898957b4b61

11) bashplotlib

Python的绘图控件，可以绘制直方图、散点图等

$ pip install bashplotlib
$ scatter --file data/texas.txt --pch x

首发：http://blog.92fenxiang.com/articles/1421855937