我正在尝试用正则表达式处理大量随机的html字符串，但我的Python 2.6脚本却产生了错误：
UnicodeEncodeError: 'ascii'编解码器不能编码此字符
我追踪到了这个单词末尾的商标上标符号：Protection™——虽然我不需要捕获非ascii字符，但它很麻烦，而且我预计在未来会遇到更多类似问题。
有没有一个处理非ascii字符的模块？或者，在Python中处理/转义非ascii字符的最佳方法是什么？
谢谢！ 完整错误信息：
E
======================================================================
ERROR: test_untitled (__main__.Untitled)
----------------------------------------------------------------------
Traceback (most recent call last):
File "C:\Python26\Test2.py", line 26, in test_untitled
ofile.write(Test + '\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()