那些有趣又有用的 Python 庫

圖片處理

pip install pillow

from PIL import Image

import numpy as np

a = np.array(Image.open("test.jpg"))

b = [255,255,255] - a

im = Image.fromarray(b.astype("uint8"))

im.save("new.jpg")

youtube-dl下載國外視頻

pip install youtube-dl #直接安裝youtube-dl

pip install -U youtube-dl #安裝youtube-dl並更新

查看對象的全部屬性和方法

pip install pdir2

>>> import pdir,requests

>>> pdir(requests)

module attribute:

__cached__, __file__, __loader__, __name__, __package__, __path__, __spec__

other:

__author__, __build__, __builtins__, __copyright__, __license__, __title__,

__version__, _internal_utils, adapters, api, auth, certs, codes, compat, cookies

, exceptions, hooks, logging, models, packages, pyopenssl, sessions, status_code

s, structures, utils, warnings

special attribute:

__doc__

class:

NullHandler: This handler does nothing. It"s intended to be used to avoid th

e

PreparedRequest: The fully mutable :class:`PreparedRequest

` object,

Request: A user-created :class:`Request ` object.

Response: The :class:`Response ` object, which contains a

Session: A Requests session.

exception:

ConnectTimeout: The request timed out while trying to connect to the remote

server.

ConnectionError: A Connection error occurred.

DependencyWarning: Warned when an attempt is made to import a module with mi

ssing optional

FileModeWarning: A file was opened in text mode, but Requests determined its

binary length.

HTTPError: An HTTP error occurred.

ReadTimeout: The server did not send any data in the allotted amount of time

.

RequestException: There was an ambiguous exception that occurred while handl

ing your

Timeout: The request timed out.

TooManyRedirects: Too many redirects.

URLRequired: A valid URL is required to make a request.

function:

delete: Sends a DELETE request.

get: Sends a GET request.

head: Sends a HEAD request.

options: Sends a OPTIONS request.

patch: Sends a PATCH request.

post: Sends a POST request.

put: Sends a PUT request.

request: Constructs and sends a :class:`Request `.

session: Returns a :class:`Session` for context-management.

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Python 玩轉網易雲音樂

pip install ncmbot

import ncmbot

#登錄

bot = ncmbot.login(phone="xxx", password="yyy")

bot.content # bot.json()

#獲取用戶歌單

下載視頻字幕

pip install getsub

Python 財經數據介麵包

pip install tushare

import tushare as ts

#一次性獲取最近一個日交易日所有股票的交易數據

ts.get_today_all()

代碼，名稱，漲跌幅，現價，開盤價，最高價，最低價，最日收盤價，成交量，換手率

code name changepercent trade open high low settlement

0 002738 中礦資源 10.023 19.32 19.32 19.32 19.32 17.56

1 300410 正業科技 10.022 25.03 25.03 25.03 25.03 22.75

2 002736 國信證券 10.013 16.37 16.37 16.37 16.37 14.88

3 300412 迦南科技 10.010 31.54 31.54 31.54 31.54 28.67

4 300411 金盾股份 10.007 29.68 29.68 29.68 29.68 26.98

5 603636 南威軟體 10.006 38.15 38.15 38.15 38.15 34.68

6 002664 信質電機 10.004 30.68 29.00 30.68 28.30 27.89

7 300367 東方網力 10.004 86.76 78.00 86.76 77.87 78.87

8 601299 中國北車 10.000 11.44 11.44 11.44 11.29 10.40

9 601880 大連港 10.000 5.72 5.34 5.72 5.22 5.20

10 000856 冀東裝備 10.000 8.91 8.18 8.91 8.18 8.10

開源漏洞靶場

# 安裝pip

curl -s https://bootstrap.pypa.io/get-pip.py | python3

# 安裝docker

apt-get update && apt-get install docker.io

# 啟動docker服務

service docker start

# 安裝compose

pip install docker-compose

# 拉取項目

cd vulhub

# 進入某一個漏洞/環境的目錄

cd nginx_php5_mysql

# 自動化編譯環境

docker-compose build

# 啟動整個環境

docker-compose up -d

#測試完成後，刪除整個環境

docker-compose down

北京實時公交

pip install -r requirements.txt 安裝依賴

python manage.py build_cache 獲取離線數據，建立本地緩存

#項目自帶了一個終端中的查詢工具作為例子，運行： python manage.py cli

>>> from beijing_bus import BeijingBus

>>> lines = BeijingBus.get_all_lines()

[

,

, ...]

>>> lines = BeijingBus.search_lines("847")

[

,

]

>>> line = lines[0]

>>> print line.id, line.name

541 847(馬甸橋西-雷庄村)

>>> line.stations

[, , , ...]

>>> station = line.stations[0]

>>> print station.name, station.lat, station.lon

馬甸橋西 39.967721 116.372921

>>> line.get_realtime_data(1) # 參數為站點的序號，從1開始

[

{

"id": 公交車id,

"lat": 公交車的位置,

"lon": 公交車位置,

"next_station_name": 下一站的名字,

"next_station_num": 下一站的序號,

"next_station_distance": 離下一站的距離,

"next_station_arriving_time": 預計到達下一站的時間,

"station_distance": 離本站的距離,

"station_arriving_time": 預計到達本站的時間,

},

...

]

文章提取器

git clone https://github.com/grangier/python-goose.git

cd python-goose

pip install -r requirements.txt

python setup.py install

>>> from goose import Goose

>>> from goose.text import StopWordsChinese

>>> url = "http://www.bbc.co.uk/zhongwen/simp/chinese_news/2012/12/121210_hongkong_politics.shtml"

>>> g = Goose({"stopwords_class": StopWordsChinese})

>>> article = g.extract(url=url)

>>> print article.cleaned_text[:150]

香港行政長官梁振英在各方壓力下就其大宅的違章建築（僭建）問題到立法會接受質詢，並向香港民眾道歉。

梁振英在星期二（12月10日）的答問大會開始之際在其演說中道歉，但強調他在違章建築問題上沒有隱瞞的意圖和動機。

一些親北京陣營議員歡迎梁振英道歉，且認為應能獲得香港民眾接受，但這些議員也質問梁振英有

Python 藝術二維碼生成器

pip install MyQR

myqr https://github.com

myqr https://github.com -v 10 -l Q

想要系統學習python和免費學習資料的 可以加裙 四七四五三四九五一

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