“UnicodeEncodeError：‘ascii’编解码器无法对字符进行编码”

我试图通过正则表达式传递大的随机 html 字符串，而我的 Python 2.6 脚本对此感到窒息：

UnicodeEncodeError：“ascii”编解码器无法对字符进行编码

我追溯到这个词末尾的商标上标：Protection™——我希望将来能遇到类似的其他人。

有没有处理非ascii字符的模块？或者，在 python 中处理/转义非 ascii 内容的最佳方法是什么？

谢谢！ 完整错误：

E
======================================================================
ERROR: test_untitled (__main__.Untitled)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\Python26\Test2.py", line 26, in test_untitled
    ofile.write(Whois + '\n')
UnicodeEncodeError: 'ascii' codec can't encode character u'\u2122' in position 1005: ordinal not in range(128)

完整脚本：

from selenium import selenium
import unittest, time, re, csv, logging

class Untitled(unittest.TestCase):
    def setUp(self):
        self.verificationErrors = []
        self.selenium = selenium("localhost", 4444, "*firefox", "http://www.BaseDomain.com/")
        self.selenium.start()
        self.selenium.set_timeout("90000")

    def test_untitled(self):
        sel = self.selenium
        spamReader = csv.reader(open('SubDomainList.csv', 'rb'))
        for row in spamReader:
            sel.open(row[0])
            time.sleep(10)
            Test = sel.get_text("//html/body/div/table/tbody/tr/td/form/div/table/tbody/tr[7]/td")
            Test = Test.replace(",","")
            Test = Test.replace("\n", "")
            ofile = open('TestOut.csv', 'ab')
            ofile.write(Test + '\n')
            ofile.close()

    def tearDown(self):
        self.selenium.stop()
        self.assertEqual([], self.verificationErrors)

if __name__ == "__main__":
    unittest.main()

您正在尝试在“严格”模式下将 unicode 转换为 ascii：

>>> help(str.encode)
Help on method_descriptor:

encode(...)
    S.encode([encoding[,errors]]) -> object

    Encodes S using the codec registered for encoding. encoding defaults
    to the default encoding. errors may be given to set a different error
    handling scheme. Default is 'strict' meaning that encoding errors raise
    a UnicodeEncodeError. Other possible values are 'ignore', 'replace' and
    'xmlcharrefreplace' as well as any other name registered with
    codecs.register_error that is able to handle UnicodeEncodeErrors.

您可能想要类似以下之一的东西：

s = u'Protection™'

print s.encode('ascii', 'ignore')    # removes the ™
print s.encode('ascii', 'replace')   # replaces with ?
print s.encode('ascii','xmlcharrefreplace') # turn into xml entities
print s.encode('ascii', 'strict')    # throw UnicodeEncodeErrors