Hello Mozib Khan,

To run OpenERP from Eclipse, you required Python Development Plugin in your Eclipse application.To download python plugin,

1)Go to Help –> Install New Software

2)Click Add in Install dialog box

3)Give name as “Pydev” and path as “http://pydev.org/updates" and click ok.

4) Select pydev checkbox and follow the steps by clicking finish.

After following this steps, Add Python in Eclipse

1) Go to Windows –> Preferences

2)In the left side tree, Go to PyDev –> Editor –> Interpreter-Python

3)Click New to add a new python interpreter

4)Browse and select  the following file: “File System –> usr –> bin –> python2.7″ and  also give name “Python 2.7″

5)Click ok to finish

 Now, Go to File –> New –> Project –> PyDev –> PyDev Project to create a new project.

 Give Project Name, give the name of project same as your openerp folder name and check “Use Default”. Click Finish.

In your project openerp-server.py file reside, right click on that file and Run As Python Run. When you Run/start openerp server entire addons of your project compiled automatically, we don't need to compile it manually.

Best Regards,