今天就跟大家聊聊有关使用pickle怎么存储dump和oad数据，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。
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使用pickle模块来dump你的数据
import os
import sys
import pickle
man=[ ]
other=[ ]
try:
data=open('sketch.txt')
for each_line in data:
try:
(role,line_spoken)=each_line.split(':',1)
line_spoken=line_spoken.strip()
if role == 'Man':
man.append(line_spoken)
elif role == 'Other Man':
other.append(line_spoken)
except ValueError:
pass
data.close()
except IOError:
nester.print_lol('The data file is missing!')
try:
with open('man_data.txt','wb') as man_file:
pickle.dump(man,man_file)
with open('other_data.txt','wb') as other_file:
pickle.dump(other,other_file)
except IOError as err:
print('File error: ' + str(err))
except pickle.PickleError as perr:
print('Pickling error: ' + str(perr))打开man_data.txt,看结果：
?]q (X' Is this the right room for an argument?qX No you haven't!qX When?qX No you didn't!qX You didn't!qX You did not!qX= Ah! (taking out his wallet and paying) Just the five minutes.qX You most certainly did not!qX Oh no you didn't!q X Oh no you didn't!q
X Oh look, this isn't an argument!qX No it isn't!qX It's just contradiction!q
X It IS!qX You just contradicted me!qX You DID!qX You did just then!qX" (exasperated) Oh, this is futile!!qX
Yes it is!qe.
把已存储在man_data.txt上的二进制文件，恢复成可以读的文件，存放在new_man.txt中：
import nester
import os
import sys
import pickle
man=[ ]
other=[ ]
new_man=[ ]
try:
data=open('sketch.txt')
for each_line in data:
try:
(role,line_spoken)=each_line.split(':',1)
line_spoken=line_spoken.strip()
if role == 'Man':
man.append(line_spoken)
elif role == 'Other Man':
other.append(line_spoken)
except ValueError:
pass
data.close()
except IOError:
print_lol('The data file is missing!')
try:
# with open('man_data.txt','wb') as man_file:
# pickle.dump(man,man_file)
# with open('other_data.txt','wb') as other_file:
# pickle.dump(other,other_file)
with open('man_data.txt','rb') as man_file:
new_man=pickle.load(man_file)
except IOError as err:
print('File error: ' + str(err))
except pickle.PickleError as perr:
print('Pickling error: ' + str(perr))查看结果：
RESTART: C:/Users/ThinkPad/AppData/Local/Programs/Python/Python36-32/chapter4-134-pickle.py
>>> import nester
>>> nester.print_lol(new_man)
Is this the right room for an argument?
No you haven't!
When?
No you didn't!
You didn't!
You did not!
Ah! (taking out his wallet and paying) Just the five minutes.
You most certainly did not!
Oh no you didn't!
Oh no you didn't!
Oh look, this isn't an argument!
No it isn't!
It's just contradiction!
It IS!
You just contradicted me!
You DID!
You did just then!
(exasperated) Oh, this is futile!!
Yes it is!
>>> import os
>>> os.getcwd()
'C:\\Users\\ThinkPad\\AppData\\Local\\Programs\\Python\\Python36-32'
>>>
若是想保存new_man.txt到磁盘文件，可以加：
with open('new_man.txt','w') as new_man_file:
nester.print_lol(new_man,fn=new_man_file)看完上述内容，你们对使用pickle怎么存储dump和oad数据有进一步的了解吗？如果还想了解更多知识或者相关内容，请关注创新互联行业资讯频道，感谢大家的支持。
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