使用Pysandbox实现在线pythonshell
我想构建一个类似Python的在线shell。目前我正在尝试构建一个模块 在Python中,哪个做了以下事情使用Pysandbox实现在线pythonshell,python,implementation,pysandbox,Python,Implementation,Pysandbox,我想构建一个类似Python的在线shell。目前我正在尝试构建一个模块 在Python中,哪个做了以下事情 创建一个新会话 运行作为字符串传递的代码,并维护当前会话的环境变量 我正试图用它来实现这个目标。这是我迄今为止的努力 from sandbox import Sandbox, SandboxConfig from optparse import OptionParser import sys,traceback class Runner: def __init__(self):
from sandbox import Sandbox, SandboxConfig
from optparse import OptionParser
import sys,traceback
class Runner:
def __init__(self):
self.options = self.parseOptions()
self.sandbox = Sandbox(self.createConfig())
self.localvars = dict()
def parseOptions(self):
parser = OptionParser(usage="%prog [options]")
SandboxConfig.createOptparseOptions(parser, default_timeout=None)
parser.add_option("--debug",
help="Debug mode",
action="store_true", default=False)
parser.add_option("--verbose", "-v",
help="Verbose mode",
action="store_true", default=False)
parser.add_option("--quiet", "-q",
help="Quiet mode",
action="store_true", default=False)
options, argv = parser.parse_args()
if argv:
parser.print_help()
exit(1)
if options.quiet:
options.verbose = False
return options
def createConfig(self):
config = SandboxConfig.fromOptparseOptions(self.options)
config.enable('traceback')
config.enable('stdin')
config.enable('stdout')
config.enable('stderr')
config.enable('exit')
config.enable('site')
config.enable('encodings')
config._builtins_whitelist.add('compile')
config.allowModuleSourceCode('code')
config.allowModule('sys',
'api_version', 'version', 'hexversion')
config.allowSafeModule('sys', 'version_info')
if self.options.debug:
config.allowModule('sys', '_getframe')
config.allowSafeModule('_sandbox', '_test_crash')
config.allowModuleSourceCode('sandbox')
if not config.cpython_restricted:
config.allowPath(__file__)
return config
def Run(self,code):
# log and compile the statement up front
try:
#logging.info('Compiling and evaluating:\n%s' % statement)
compiled = compile(code, '<string>', 'single')
except:
traceback.print_exc(file=sys.stdout)
return
try:
self.sandbox.execute(code)
except:
traceback.print_exc(file=sys.stdout)
def f():
f = open('test.py')
code = ''
for lines in f:
code = code+lines
runner = Runner()
runner.Run('a = 5')
runner.Run('b = 5')
runner.Run('print a+b')
f()
b=5
打印a+b
有什么想法吗?这应该行得通,不过您可能想处理异常的输出:
from sandbox import Sandbox, SandboxConfig
from optparse import OptionParser
import sys,traceback
class Runner:
def __init__(self):
self.options = self.parseOptions()
self.sandbox = Sandbox(self.createConfig())
self.localvars = dict()
self.code = ''
def parseOptions(self):
parser = OptionParser(usage="%prog [options]")
SandboxConfig.createOptparseOptions(parser)#, default_timeout=None)
parser.add_option("--debug",
help="Debug mode",
action="store_true", default=False)
parser.add_option("--verbose", "-v",
help="Verbose mode",
action="store_true", default=False)
parser.add_option("--quiet", "-q",
help="Quiet mode",
action="store_true", default=False)
options, argv = parser.parse_args()
if argv:
parser.print_help()
exit(1)
if options.quiet:
options.verbose = False
return options
def createConfig(self):
config = SandboxConfig.fromOptparseOptions(self.options)
config.enable('traceback')
config.enable('stdin')
config.enable('stdout')
config.enable('stderr')
config.enable('exit')
config.enable('site')
config.enable('encodings')
config._builtins_whitelist.add('compile')
config.allowModuleSourceCode('code')
config.allowModule('sys',
'api_version', 'version', 'hexversion')
config.allowSafeModule('sys', 'version_info')
if self.options.debug:
config.allowModule('sys', '_getframe')
config.allowSafeModule('_sandbox', '_test_crash')
config.allowModuleSourceCode('sandbox')
if not config.cpython_restricted:
config.allowPath(__file__)
return config
def Run(self,code):
code = '\n'.join([self.code,code])
# log and compile the statement up front
try:
#logging.info('Compiling and evaluating:\n%s' % statement)
compiled = compile(code, '<string>', 'single')
except:
traceback.print_exc(file=sys.stdout)
return
try:
self.sandbox.execute(code)
except:
err = sys.exc_info()[1]
print type(err), err
else:
self.code = code
def f():
f = open('test.py')
code = ''
for lines in f:
code = code+lines
runner = Runner()
runner.Run('a = 5')
runner.Run('b = 5')
runner.Run('print a+b')
f()
从沙盒导入沙盒,沙盒配置
从optpasse导入OptionParser
导入系统,回溯
班级跑步者:
定义初始化(自):
self.options=self.parseOptions()
self.sandbox=沙盒(self.createConfig())
self.localvars=dict()
self.code=“”
def解析选项(自):
parser=OptionParser(用法=“%prog[options]”)
SandboxConfig.createOptparseOptions(解析器)#,默认值_timeout=None)
parser.add_选项(“--debug”,
help=“调试模式”,
action=“store\u true”,默认值=False)
添加_选项(“--verbose”,“-v”,
help=“详细模式”,
action=“store\u true”,默认值=False)
添加_选项(“--quiet”、“-q”,
help=“安静模式”,
action=“store\u true”,默认值=False)
选项,argv=parser.parse_args()
如果argv:
parser.print_help()
出口(1)
如果选项.quiet:
options.verbose=False
返回选项
def createConfig(自身):
config=SandboxConfig.fromOptparseOptions(self.options)
config.enable('回溯')
config.enable('stdin')
config.enable('stdout')
config.enable('stderr')
config.enable('退出')
config.enable('站点')
config.enable('encodings')
config.\u内置\u白名单.add('compile')
config.allowModuleSourceCode('code'))
config.allowModule('sys',
‘api_版本’、‘版本’、‘hexversion’)
config.allowSafeModule('sys','version\u info')
如果self.options.debug:
config.allowModule('sys','u getframe'))
config.allowSafeModule(“沙盒”、“测试”和“崩溃”)
config.allowModuleSourceCode('sandbox')
如果没有config.cpython\u限制:
config.allowPath(_文件__)
返回配置
def运行(自身,代码):
代码='\n'.join([self.code,code])
#预先记录并编译语句
尝试:
#logging.info('编译和评估:\n%s'%1!'语句)
compiled=compile(代码,,'single')
除:
traceback.print_exc(file=sys.stdout)
返回
尝试:
self.sandbox.execute(代码)
除:
err=sys.exc_info()[1]
打印类型(错误),错误
其他:
self.code=代码
def():
f=打开('test.py')
代码=“”
对于f中的行:
代码=代码+行
runner=runner()
runner.Run('a=5')
runner.Run('b=5')
runner.Run('打印a+b')
f()
如果您想要保留已创建的会话(用于浏览器),请查看,虽然我不知道这是否正是您想要的,但我认为这是一个很好的建议。@ITNinja希望实现这个或python版本的tryhaskell.com此代码反复运行相同的代码。我希望执行像python解释器一样。如果您将“全局”和“局部”对象传递到您的Sandbox.execute(),我认为这将保存您希望它们保存的大部分内容。问题是如何获取这些“局部”和“gloabls”?首先,它们是{}
。这些是可变对象,因此对execute()的调用将修改它们。你所要做的就是记住它们,比如self.locals
和self.globals
,并每次传递相同的对象。
from sandbox import Sandbox, SandboxConfig
from optparse import OptionParser
import sys,traceback
class Runner:
def __init__(self):
self.options = self.parseOptions()
self.sandbox = Sandbox(self.createConfig())
self.localvars = dict()
self.code = ''
def parseOptions(self):
parser = OptionParser(usage="%prog [options]")
SandboxConfig.createOptparseOptions(parser)#, default_timeout=None)
parser.add_option("--debug",
help="Debug mode",
action="store_true", default=False)
parser.add_option("--verbose", "-v",
help="Verbose mode",
action="store_true", default=False)
parser.add_option("--quiet", "-q",
help="Quiet mode",
action="store_true", default=False)
options, argv = parser.parse_args()
if argv:
parser.print_help()
exit(1)
if options.quiet:
options.verbose = False
return options
def createConfig(self):
config = SandboxConfig.fromOptparseOptions(self.options)
config.enable('traceback')
config.enable('stdin')
config.enable('stdout')
config.enable('stderr')
config.enable('exit')
config.enable('site')
config.enable('encodings')
config._builtins_whitelist.add('compile')
config.allowModuleSourceCode('code')
config.allowModule('sys',
'api_version', 'version', 'hexversion')
config.allowSafeModule('sys', 'version_info')
if self.options.debug:
config.allowModule('sys', '_getframe')
config.allowSafeModule('_sandbox', '_test_crash')
config.allowModuleSourceCode('sandbox')
if not config.cpython_restricted:
config.allowPath(__file__)
return config
def Run(self,code):
code = '\n'.join([self.code,code])
# log and compile the statement up front
try:
#logging.info('Compiling and evaluating:\n%s' % statement)
compiled = compile(code, '<string>', 'single')
except:
traceback.print_exc(file=sys.stdout)
return
try:
self.sandbox.execute(code)
except:
err = sys.exc_info()[1]
print type(err), err
else:
self.code = code
def f():
f = open('test.py')
code = ''
for lines in f:
code = code+lines
runner = Runner()
runner.Run('a = 5')
runner.Run('b = 5')
runner.Run('print a+b')
f()