repofind

#!/usr/bin/env python

__author__ = 'cbarne02'


"""
to use:
1. clone your github repository
2. point this script at the root directory of your cloned repository
3. run the script to find the metadata in your local repository based on layer id

by default, uses layers.json to search and retrieve. may attempt a more general solution
for instances where layers.json is absent
"""


import sys
import getopt
from repo_utils import find_from_layer_id


def usage():
    message = """'-r' or '--repository': repository path.
    Defaults to directory 'REPO_PATH' specified in repo_utils.py.
'-i' or '--layer_id': unique id for the data layer described by the metadata.
    REQUIRED
    """
    print message


if __name__ == "__main__":
    argv = sys.argv
    repo_path = None
    file_id = None

    try:
        opts, args = getopt.getopt(argv[1:], "hr:i:", ["help", "repository=", "layer_id="])
        for opt, arg in opts:
            if opt in ("-h", "--help"):
                usage()
                sys.exit()
            elif opt in("-r", "--repository"):
                repo_path = arg
            elif opt in("-i", "--layer_id"):
                file_id = arg
    except getopt.GetoptError:
        usage()
        sys.exit(2)

    if file_id is None:
        # file id is required
        usage()
        sys.exit()

    try:
        if repo_path is None:
            tup = find_from_layer_id(file_id)

        else:
            tup = find_from_layer_id(file_id, repo_path)

        print tup[0]
        print "contains types:" , tup[1]
    except Exception as e:
        print e.message
        sys.exit(2)