repowrite

#!/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
4. when you're finished making changes, make a pull request to your github repository

should I have a commit log feature?

one to extract metadata from an ogp instance, one to augment said
metadata with location info.

one to create a directory structure, rename metadata (iso vs fgdc)

one to create/update a json object that maps metadata id to path
"""


import os
import sys
import getopt
from repo_utils import write_to_repository


def usage():
    message = """'-r' or '--repository': repository path.
    Defaults to current directory.
'-m' or '--metadata': path to the xml metadata file.
    REQUIRED
'-i' or '--layer_id': unique id for the data layer described by the metadata.
    REQUIRED
'-o' or '--overwrite': boolean 'true' or 'false' to overwrite existing metadata.
    Defaults to 'false'.
    """
    print message


if __name__ == "__main__":
    argv = sys.argv
    repo_path = None
    overwrite = None
    file_path = None
    ow = None

    try:
        opts, args = getopt.getopt(argv[1:], "hr:m:o:i:", ["help", "repository=", "metadata_path=",
                                                           "overwrite=", "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("-m", "--metadata_path"):
                file_path = arg
            elif opt in("-o", "--overwrite"):
                ow = arg
            elif opt in("-i", "--layer_id"):
                file_id = arg
    except getopt.GetoptError:
        usage()
        sys.exit(2)

    if file_id is None or file_path is None:
        # file path and id are required
        usage()
        sys.exit()

    #assume the cwd is the repository, if not provided
    if repo_path is None:
        repo_path = os.getcwd()

    bool_ow = False
    if ow is not None:
        ow = ow.lower()
        if ow in ["true", "t", "yes", "y"]:
            bool_ow = True
    try:
        fs = ""
        with open(file_path, "r") as f:
            fs = f.read()

        write_to_repository(file_id, fs, repo_path, bool_ow)

    except Exception as e:
        print e.message
        sys.exit(2)