回答说我最后还是吃了泡菜
好吧,我问了另一个问题,有人建议我用pickle把字典保存到文件中。
我试图保存到文件中的字典是
members = {'Starspy' : 'SHSN4N', 'Test' : 'Test1'}
当pickle将它保存到文件中时。。。这是格式
(dp0
S'Test'
p1
S'Test1'
p2
sS'Test2'
p3
S'Test2'
p4
sS'Starspy'
p5
S'SHSN4N'
p6
s.
你能给我另一种方法把字符串保存到文件中吗?
这是我想保存的格式
成员={'Starspy':'SHSN4N','Test':'Test1'}
完整代码:
import sys
import shutil
import os
import pickle
tmp = os.path.isfile("members-tmp.pkl")
if tmp == True:
os.remove("members-tmp.pkl")
shutil.copyfile("members.pkl", "members-tmp.pkl")
pkl_file = open('members-tmp.pkl', 'rb')
members = pickle.load(pkl_file)
pkl_file.close()
def show_menu():
os.system("clear")
print "\n","*" * 12, "MENU", "*" * 12
print "1. List members"
print "2. Add member"
print "3. Delete member"
print "99. Save"
print "0. Abort"
print "*" * 28, "\n"
return input("Please make a selection: ")
def show_members(members):
os.system("clear")
print "\nNames", " ", "Code"
for keys in members.keys():
print keys, " - ", members[keys]
def add_member(members):
os.system("clear")
name = raw_input("Please enter name: ")
code = raw_input("Please enter code: ")
members[name] = code
output = open('members-tmp.pkl', 'wb')
pickle.dump(members, output)
output.close()
return members
#with open("foo.txt", "a") as f:
# f.write("new line\n")
running = 1
while running:
selection = show_menu()
if selection == 1:
show_members(members)
print "\n> " ,raw_input("Press enter to continue")
elif selection == 2:
members == add_member(members)
print members
print "\n> " ,raw_input("Press enter to continue")
elif selection == 99:
os.system("clear")
shutil.copyfile("members-tmp.pkl", "members.pkl")
print "Save Completed"
print "\n> " ,raw_input("Press enter to continue")
elif selection == 0:
os.remove("members-tmp.pkl")
sys.exit("Program Aborted")
else:
os.system("clear")
print "That is not a valid option!"
print "\n> " ,raw_input("Press enter to continue")
目前最常见的序列化格式是JSON,它得到了普遍支持,并且非常清楚地表示了简单的数据结构,如字典。
当然,保存为CSV:
那么读起来就是:
另一种选择是json(对于2.6+版本为
json
,对于2.5及以下版本为simplejson
):YAML格式(通过pyyaml)可能是一个不错的选择:
http://en.wikipedia.org/wiki/Yaml
http://pypi.python.org/pypi/PyYAML
相关问题 更多 >
编程相关推荐