Port experimentlib.py to use RepyV2

[XuefengHuang]

I replace repyimporter with dy_import_module and add examples diretory in config_build.txt to test if it works fine.

[XuefengHuang]

This is my test result on mac os x machine( Created /path/to/user.publickey /path/to/user.privatekeybefore testing because run_experimentlib_examples.py defines it ):

huangxuefengdeMacBook-Pro:seattletest Xuefeng$ git clone https://github.com/XuefengHuang/experimentmanager
Cloning into 'experimentmanager'...
remote: Counting objects: 189, done.
remote: Compressing objects: 100% (6/6), done.
remote: Total 189 (delta 1), reused 0 (delta 0)
Receiving objects: 100% (189/189), 74.98 KiB | 0 bytes/s, done.
Resolving deltas: 100% (98/98), done.
Checking connectivity... done.
huangxuefengdeMacBook-Pro:seattletest Xuefeng$ cd experimentmanager/scripts
huangxuefengdeMacBook-Pro:scripts Xuefeng$ python initialize.py
Checking out repo from https://github.com/SeattleTestbed/portability ...
Done!
Checking out repo from https://github.com/SeattleTestbed/repy_v2 ...
Done!
Checking out repo from https://github.com/SeattleTestbed/seattlelib_v2 ...
Done!
Checking out repo from https://github.com/SeattleTestbed/nodemanager ...
Done!
Checking out repo from https://github.com/SeattleTestbed/common ...
Done!
Checking out repo from https://github.com/SeattleTestbed/utf ...
Done!
huangxuefengdeMacBook-Pro:scripts Xuefeng$ python build.py -t
Building into /Users/huangxuefeng/Documents/seattletest/experimentmanager/RUNNABLE
Done building!
huangxuefengdeMacBook-Pro:scripts Xuefeng$ cd ../runnable
huangxuefengdeMacBook-Pro:runnable Xuefeng$ python
Python 2.7.8 (v2.7.8:ee879c0ffa11, Jun 29 2014, 21:07:35) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import run_experimentlib_examples
>>> run_experimentlib_examples.test_lookup_node_locations()
Number of nodes advertising their location under this key: 0
>>> run_experimentlib_examples.test_download_files()
Number of advertising nodes: 0
Number of active vessels: 0
Done.
>>> run_experimentlib_examples.test_get_logs()
Number of advertising nodes: 0
Number of active vessels: 0
Done.
>>> run_experimentlib_examples.test_run_program()
Number of advertising nodes: 0
Number of active vessels: 0
Done.

[aaaaalbert]

I'd love to see this tested with active nodes. Can you just acquire a handful from the clearinghouse and retry?

[XuefengHuang]

Sure, I have updated my test results.

Xuefengs-MacBook-Pro:RUNNABLE Xuefeng$ python
Python 2.7.8 (v2.7.8:ee879c0ffa11, Jun 29 2014, 21:07:35) 
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import run_experimentlib_examples
>>> run_experimentlib_examples.test_lookup_node_locations()
Number of nodes advertising their location under this key: 4
131.247.2.246:2888
75.130.96.13:2888
204.56.0.138:1224
137.132.80.106:1224
>>> run_experimentlib_examples.test_download_files()
Number of advertising nodes: 4
Number of active vessels: 4
Files on 131.247.2.246:2888 v4: []
Files on 204.56.0.138:1224 v6: []
Files on 75.130.96.13:2888 v8: ['example.1.1.repy', 'helloworld.txt']
Downloaded ./75.130.96.13_2888_v8/example.1.1.repy
Downloaded ./75.130.96.13_2888_v8/helloworld.txt
Files on 137.132.80.106:1224 v10: []
Done.
>>> run_experimentlib_examples.test_get_logs()
Number of advertising nodes: 4
Number of active vessels: 4
====================================================================
Log from 75.130.96.13:2888 v8
========================================
Running program: example.1.1.repy
Arguments: []
========================================
Hello World

====================================================================
Log from 131.247.2.246:2888 v4

====================================================================
Log from 204.56.0.138:1224 v6

====================================================================
Log from 137.132.80.106:1224 v10

Done.
>>> run_experimentlib_examples.test_run_program()
Number of advertising nodes: 4
Number of active vessels: 4
Uploaded myprogram.py to 75.130.96.13:2888 vessel v8
Program started on 75.130.96.13:2888 vessel v8
Uploaded myprogram.py to 131.247.2.246:2888 vessel v4
Program started on 131.247.2.246:2888 vessel v4
Uploaded myprogram.py to 137.132.80.106:1224 vessel v10
Program started on 137.132.80.106:1224 vessel v10
Uploaded myprogram.py to 204.56.0.138:1224 vessel v6
Program started on 204.56.0.138:1224 vessel v6
Done.