Re: Disable certain modules

I was trying import using "from" syntax and this logic doesn't seem to work. I mean I get import error from oldImport module.

from email.mime.image import MIMEImage
from email.mime.multipart import MIMEMultipart

Exception in thread "main" javax.script.ScriptException: ImportError: cannot import name MIMEImage in <script> at line number 122
       at org.python.jsr223.PyScriptEngine.scriptException(PyScriptEngine.java:202)
       at org.python.jsr223.PyScriptEngine.eval(PyScriptEngine.java:42)
       at org.python.jsr223.PyScriptEngine.eval(PyScriptEngine.java:31)

Thanks,
Pradeep V.B.

From: Pradeep Badiger
Sent: Thursday, February 12, 2015 2:21 PM
To: 'Jeff Emanuel'; [email protected]
Subject: RE: [Jython-dev] Disable certain modules

Interesting.. I will see if this fits my requirements.

Thanks,
Pradeep V.B.

From: Jeff Emanuel [mailto:[email protected]]
Sent: Thursday, February 12, 2015 1:53 PM
To: [email protected]<mailto:[email protected]>; Pradeep Badiger
Subject: Re: [Jython-dev] Disable certain modules

I don't know that this is fool-proof, but you can replace __builtin__.__import__ with your own implementation that checks the module name.

>>> import __builtin__
>>> oldImport = __builtin__.__import__
>>> def myImport(*args):
...   if args[0]=='symbol':  # Disallowing symbol module
...     raise ImportError("Import denied")
...   return oldImport(*args)
...
>>> __builtin__.__import__=myImport
>>> import symbol  # fails
Traceback (most recent call last):
  File "<input>", line 1, in <module>
  File "<input>", line 3, in myImport
ImportError: Import denied
>>> import traceback # works
>>>


On 2/12/2015 8:37 AM, Pradeep Badiger wrote:
Hi,

I am trying to disable certain modules which I don't want my users to use. How can I do that?

I tried del function to delete the module programmatically. But this doesn't work if you import the module again.

Can someone provide me the pointers?

Thanks,
Pradeep V.B.


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sponsored by Intel and developed in partnership with Slashdot Media, is your
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leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net/

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