有时碰到一个单词，顺手用命令行查询下比较方便，另外比较喜欢有道翻译中有道单词本的复习计划，加入单词本后可以在手机上看。
使用示例：
➜ ~ yd kiss
kiss [kis]
vt.吻；（风等）轻拂
vi.接吻；（风等）轻触
n.吻；轻拂
more: http://dict.youdao.com/search?keyfrom=webwordbook&q=kiss
➜ ~
➜ ~ yd 无奈
无奈 [wú nài]
1. however
2. cannothelpbut
more: http://dict.youdao.com/search?keyfrom=webwordbook&q=%E6%97%A0%E5%A5%88
➜ ~
➜ ~ yd python -j
python ['paiθən, -θɔn]
n.巨蟒；大蟒；丹舌
more: http://dict.youdao.com/search?keyfrom=webwordbook&q=python
word list: http://dict.youdao.com/wordbook/wordlist?keyfrom=dict.result
➜ ~
源代码如下：
linux / python 2.7 /2013:04:27 update
1 #!/usr/bin/env python
2 #encoding=utf-8
3
4 import os
5 import sys
6 import codecs
7 import re
8 import urllib
9
10 import httplib2
11 #httplib2.debuglevel = 1
12
13 h = httplib2.Http()
14 user_agent = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4"
15
16
17 def youdao_traslate(word_input):
18 '''
19 mobile:
20 English:http://dict.youdao.com/m/search?keyfrom=dict.mindex&vendor=&q=mouse
21 Chinese:http://dict.youdao.com/m/search?keyfrom=dict.mindex&vendor=&q=%E7%BF%BB%E8%AF%91
22 '''
23 def is_not_found(html):
24 not_found = '没有找到'
25 if html.find(not_found) != -1:
26 return True
27 return False
28
29 word = urllib.quote(word_input)
30 url = 'http://dict.youdao.com/m/search?keyfrom=dict.mindex&vendor=&q=' + word
31 #print url
32 #pc:http://dict.youdao.com/search?keyfrom=webwordbook&q=mouse
33 pc_url = 'http://dict.youdao.com/search?keyfrom=webwordbook&q=' + word
34
35 resp, content = h.request(url)
36 pat_content = re.compile(
37 r'''
38 <div><span><b>.*?</b></span>(.*?)
39 <div\ class="content">(.*?)</div>
40 ''', re.S | re.X
41 )
42 result = pat_content.findall(content)
43 if not result:
44 if is_not_found(content):
45 msg = '''抱歉，没有找到与您查询的"%s"相符的字词.\ntry: %s''' % (word_input, pc_url)
46 else:
47 msg = '''Can not find result, check the regex!\nsee: %s ''' % url
48 raise Exception(msg)
49 else:
50 result = result[0]
51
52 # 1 find soundmark 一些单词，如娱乐，没有音标
53 soundmark = result[0]
54 pat_soundmark = re.compile(r'<span>(.*?)</span>', re.S)
55 soundmark = pat_soundmark.findall(soundmark)
56 if not soundmark:
57 soundmark = ''
58 else:
59 soundmark = soundmark[0]
60
61 # 2 find translate
62 content = result[1]
63 content = content.replace('\n', '').replace('<br/>', '\n').replace(' ', '').replace('\t', '')
64 #for 中文查询
65 content = content.replace(' ', ' ')
66 content = content.strip()
67
68 print word_input, soundmark
69 print content
70 print
71 print 'More:', pc_url
72
73
74 def youdao_login(username, password):
75 #注意是https, http不行
76 url = "https://reg.163.com/logins.jsp"
77 body = {
78 "url": "http://account.youdao.com/login?service=dict&back_url=http%3A%2F%2Fdict.youdao.com&success=1",
79 "product": "search",
80 "type": "1",
81 "username": username,
82 "password": password,
83 "savelogin": "1"
84 }
85 #content-type 不能少
86 headers_form = {
87 "User-Agent": user_agent,
88 "Content-Type": "application/x-www-form-urlencoded"
89 }
90
91 resp, content = h.request(url, method='POST', body=urllib.urlencode(body), headers=headers_form)
92 #print resp
93 cookie = resp['set-cookie']
94 if not cookie:
95 raise
96 return cookie
97
98
99 def youdao_wordlist(word, cookie):
100 #添加单词，会自动添加单词信息
101 add_word_url = 'http://dict.youdao.com/wordbook/ajax?action=addword&q=' + word
102
103 headers = {
104 "User-Agent": user_agent,
105 "Cookie": cookie
106 }
107
108 resp, content = h.request(add_word_url, headers=headers)
109
110 if content != '{"message":"adddone"}':
111 raise Exception(content)
112
113
114 def write_to_file(file_name, txt):
115 with codecs.open(file_name, "w", "utf-8") as f:
116 f.write(txt)
117
118
119 def read_from_file(file_name):
120 with codecs.open(file_name, "r", "utf-8") as f:
121 txt = f.read()
122 txt = txt.encode('utf-8')
123 return txt
124
125
126 if __name__ == '__main__':
127 if len(sys.argv) == 1:
128 print 'Usage: yd word [-j]'
129 sys.exit()
130
131 word = sys.argv[1]
132 # 1) 翻译单词
133 try:
134 youdao_traslate(word)
135 except Exception as e:
136 print e
137 exit()
138
139 # 2) 是否加入单词本
140 msg = 'Add to wordlist? y/n '
141 if raw_input(msg) == 'y':
142 for i in range(3):
143 cookie_txt = 'youdao_cookie.txt'
144 if os.path.isfile(cookie_txt):
145 cookie = read_from_file(cookie_txt)
146 else:
147 username = 'username'
148 password = 'password'
149
150 cookie = youdao_login(username, password)
151 write_to_file(cookie_txt, cookie)
152
153 try:
154 youdao_wordlist(word, cookie)
155 except Exception as e:
156 #删除过期的cookie，之后检查文件不存在会写入新的cookie
157 os.system("rm youdao_cookie.txt -f")
158 if str(e) != '{"message":"nouser"}':
159 print 'Fail: %s' % e
160 break
161 else:
162 print 'Success: http://dict.youdao.com/wordbook/wordlist?keyfrom=dict.result'
163 break
164 else:
165 print 'Error.'
将上面代码保存为 yd，加上可执行权限，即可像示例那样使用。如要使用加入单词本，把username，password 改成自己的即可。
将该程序添加为自定义命令详见 linux 添加管理自定义命令。