This document describes the HydrOffice BAG library and tools (0.2). For the source code, go here.
Source code for hydroffice.bag.tools.bag_metadata
from __future__ import absolute_import, division, print_function, unicode_literals
import os
import logging
[docs]def main():
logger = logging.getLogger()
logger.setLevel(logging.NOTSET)
import argparse
from hydroffice.bag import BAGFile, is_bag, __version__
app_name = "bag_metadata"
app_info = "Extraction of XML metadata from an OpenNS BAG file, using hydroffice.bag r%s" % __version__
parser = argparse.ArgumentParser(prog=app_name, description=app_info)
parser.add_argument("bag_file", type=str, help="a valid BAG file from which to extract metadata")
parser.add_argument("-x", "--xml_file", help="the output XML metadata file", type=str)
parser.add_argument("-v", "--verbose", help="increase output verbosity", action="store_true")
args = parser.parse_args()
if args.verbose:
print("> verbosity: ON")
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG) # change to WARNING to reduce verbosity, DEBUG for high verbosity
ch_formatter = logging.Formatter('%(levelname)-9s %(name)s.%(funcName)s:%(lineno)d > %(message)s')
ch.setFormatter(ch_formatter)
logger.addHandler(ch)
if args.verbose:
print("> input: %s" % args.bag_file)
if args.xml_file:
args.xml_file = os.path.abspath(args.xml_file)
print("> output: %s" % args.xml_file)
else:
args.xml_file = os.path.abspath(BAGFile.default_metadata_file)
print("> output: %s [default]" % args.xml_file)
if not os.path.exists(args.bag_file):
parser.exit(1, "ERROR: the input valid does not exist: %s" % args.bag_file)
if not is_bag(args.bag_file):
parser.exit(1, "ERROR: the input valid does not seem a BAG file: %s" % args.bag_file)
bf = BAGFile(args.bag_file)
try:
bf.extract_metadata(args.xml_file)
except Exception as e:
parser.exit(1, "ERROR: %s" % e)
if args.verbose:
print("> DONE")
if __name__ == "__main__":
main()