How to protect Python source from modification

[bruno modulix]

Frank Millman wrote:
> Hi all
> 
> I am writing a multi-user accounting/business system. Data is stored in
> a database (PostgreSQL on Linux, SQL Server on Windows). I have written
> a Python program to run on the client, which uses wxPython as a gui,
> and connects to the database via TCP/IP.
> 
> The client program contains all the authentication and business logic.
> It has dawned on me that anyone can bypass this by modifying the
> program. 

If your program relies on a RDBMS, then it's the RDBMS job to enforce
security rules.

> As it is written in Python, with source available, this would
> be quite easy. 

Then there's probably something wrong with the way you manage security.

NB: splitting business logic from the GUI is still a good idea anyway.

-- 
bruno desthuilliers - unpythonic sig:
python -c "print '@'.join(['.'.join([w[::-1] for w in p.split('.')]) for
p in 'onurb at xiludom.gro'.split('@')])"