我有代码问题。我写了一个函数来提取一个参数,通过发送原始字符串,前/后文本片段以及文本中出现的次数。当我在简单的代码写它的工作很大:代码独立运行良好,但功能显示错误
searchstr = 'qwer1234asdfqwer5678asdfqwer1234asdfqwer5678asdf'
startstr = 'qwer'
endstr = 'asdf'
occurancenr = 4
start = searchstr.find(startstr)
print 'start = ' + str(start)
while start >= 0 and occurancenr > 1:
start = searchstr.find(startstr, start + len(startstr))
occurancenr -= 1
print 'start = ' + str(start) + ', and nr = ' + str(occurancenr)
start = start + len(startstr)
end = searchstr.index(endstr, start)
print 'result = ' + searchstr[start:end]
但是,当我把它放在返回字符串的方法,我得到错误:
继承人的功能:
def findparam (self, searchstr, startstr, endstr, occurancenr):
start = searchstr.find(startstr)
while start >= 0 and occurancenr > 1:
start = searchstr.find(startstr, start + len(startstr))
occurancenr -= 1
start = start + len(startstr)
end = searchstr.index(endstr, start)
return 'result = ' + searchstr[start:end]
这里是调用它:
abc = 'qwer1234asdfqwer5678asdf'
aa = 'qwer'
bb = 'asdf'
print self.findparam(abc, aa, bb, 1)
错误看起来是这样的:
SyntaxError: ('invalid syntax', ('C:\\grinder-3.4\\scripts\\ResultCheckMerged.py', 367, 3, ' start = searchstr.find(startstr)'))
(no code object) at line 0
从技术上讲,这是一个grinder脚本运行的函数,比较器使用jython,但是,由于没有使用java代码及其只是python代码,我认为这是一个python问题。但是,也许这与此有关。
对此有任何提示赞赏!
只要注意 - 从[PEP 8](http://www.python.org/dev/peps/pep-0008/): “使用每一级缩进4个空格” :) – demalexx 2012-01-18 10:20:20