要用到的包
- Urllib 网络请求
- Json 解析json数据
- Hashlib 构造md5加密值
- Re 正则表达式
代码示例
一个用在汉化项目的代码
- 通过正则表达式匹配相应要翻译的内容
- 传入百度翻译api进行翻译
- 得到翻译结果，构造语句，并写入磁盘
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import urllib.request
import urllib.parse
import json
import hashlib
import time, re
encoding = 'utf-8' # 编码用utf-8
salt = '666' #随机数
appid = '百度申请的appid'
secret_key = '百度申请的密钥'
# 请求失败码
REQUEST_FAILED = -1
# 正则匹配
settings_regex = r"\s*\'.+\'\s*=>\s*.+"
def getMD5(content):
m2 = hashlib.md5()
m2.update(content.encode(encoding))
return m2.hexdigest()
def getTranslateResponce(url, data):
data = urllib.parse.urlencode(data).encode('utf-8')
response = urllib.request.urlopen(url, data)
return response.read().decode('utf-8')
def trans(content):
url = 'http://api.fanyi.baidu.com/api/trans/vip/translate'
data = {}
data['appid'] = appid
data['salt'] = salt
data['from'] = 'en'
data['to'] = 'zh'
data['q'] = content
data['sign'] = getMD5(appid + content + salt + secret_key)
html = getTranslateResponce(url, data)
target = json.loads(html)
while target.get('error_code', REQUEST_FAILED) != REQUEST_FAILED:
# print('本次请求失败，原因为：',target['error_msg'])
time.sleep(1)
html = getTranslateResponce(url, data)
target = json.loads(html)
# print(target)
return target['trans_result'][0]['dst']
def translate():
file = open('en.php', 'r')
output = open('cn.php', 'w')
for line in file.readlines():
# print(line)
if re.match(settings_regex, line):
result = re.search(r"\'[^=]+\'", line)
# original_text 待翻译文本
original_text = result.group()
translated_text = trans(original_text).lower()
translated_text = translated_text.replace('”', '')
translated_text = translated_text.replace('“', '')
if translated_text[0] != "'":
translated_text = "'" + translated_text
if translated_text[-1] != "'":
translated_text = translated_text + "'"
# print(translated_text)
# print(original_text,' => ',translated_text)
line = " " + original_text + " => " + translated_text + ",\n"
line = line.replace('"', "'")
output.write(line)
output.flush()
print("写入：" + line, end='')
file.close()
output.close()
if __name__ == '__main__':
# translate()
text = trans('dick')
print(text)
