John C. Earls JohnCEarls
JohnCEarls
/ mpi4py_logger.py
Created
December 29, 2013 17:45
Creates a file handler that uses a shared mpi file for logging using the base python logging module. Based on Lisandro's post at https://groups.google.com/forum/#!topic/mpi4py/SaNzc8bdj6U in the mpi4py newsgroup.
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| import logging | |
| from mpi4py import MPI | |
| class MPIFileHandler(logging.FileHandler): | |
| def __init__(self,filename, mode=MPI.MODE_WRONLY|MPI.MODE_CREATE|MPI.MODE_APPEND , encoding=None, delay=0, comm=MPI.COMM_WORLD ): | |
| encoding = None | |
| self.baseFilename = os.path.abspath(filename) | |
| self.mode = mode | |
| self.encoding = encoding | |
| self.comm = comm |
JohnCEarls
/ get_region.py
Created
December 29, 2013 22:25
Get the regions by name for ec2 connection Also a script to rsync with other nodes in starcluster using the alias tag.
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| import boto.ec2 | |
| def get_region(region_name): | |
| for region in boto.ec2.regions(): | |
| if region_name == region.name: | |
| return region | |
| conn = boto.connect_ec2(region=get_region( 'us-east-1')) |