我有这个功能：
#This function loads the tokens for the specified account. If the tokens are not found, it quits the script.
def selectAccountTokens():
global OAUTH_TOKEN
global OAUTH_SECRET
global CONSUMER_KEY
global CONSUMER_SECRET
if args.account == 'acc1':
execfile('tokens/acc1.py')
print "Account tokens were successfully loaded."
elif args.account == 'acc2':
execfile('tokens/acc2.py')
print "Account tokens were successfully loaded."
elif args.account == 'acc3':
execfile('tokens/acc3.py')
print "Account tokens were successfully loaded."
elif args.account == 'acc4':
execfile('tokens/acc4.py')
print "Account tokens were successfully loaded."
else:
print "Account tokens were not found, or the argument is invalid."
quit()
当我运行它而不使用变量时OAUTH_TOKEN, OAUTH_SECRET, CONSUMER_KEY, CONSUMER_SECRET全球，它失败了。
然后我将它们设为全局变量，但当我运行时仍然如此print OAUTH_TOKEN，它什么也不返回。
我知道我不应该使用全局变量，但我无法找到一种没有全局变量的方法。尽管如此，该函数并未填充变量。
的内容tokens/acc1.py is:
OAUTH_TOKEN = "gaergbaerygh345heb5rstdhb"
OAUTH_SECRET = "gm8934hg9ehrsndz9upnv09w5eng9utrh"
CONSUMER_KEY = "mdfiobnf9xdunb9438gj28-3qjejgrseg"
CONSUMER_SECRET = "esgmiofdpnpirenag8934qn-ewafwefdvzsvdfbf"
global声明不影响环境execfile执行。
明确传递globals()将解决你的问题：
execfile('tokens/acc1.py', globals())
顺便说一句，if .. elif ... elif ..如果你使用的话可以减少字符串格式化运算符% or str.format:
if args in ('acc1', 'acc2', 'acc3', 'acc4'):
execfile('tokens/%s.py' % args)
print "Account tokens were successfully loaded."
else:
print "Account tokens were not found, or the argument is invalid."
quit()
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