def main(arglist=None):
# The argparse package was introduced in 2.7
t0 = time.clock()
from argparselocal import ArgumentParser, RawTextHelpFormatter
if arglist == None:
arglist = sys.argv[1:]
if len(arglist) == False:
arglist.append("-h")
parser = ArgumentParser(description=defaults['description'], epilog=defaults['epilog'], fromfile_prefix_chars='@', formatter_class=RawTextHelpFormatter)
parser.add_argument('-v', default=False, action='store_true', help='show version information')
parser.add_argument('-q', default=False, action='store_true', help='run (more) quietly')
parser.add_argument('-recurse', default=False, action='store_true', help='recurse into subdirectories')
parser.add_argument('-zip', default=False, action='store_true', help='recurse into zip and tar files')
parser.add_argument('-nocontainer', default=False, action='store_true', help='disable deep scan of container documents, increases speed but may reduce accuracy with big files')
parser.add_argument('-pronom_only', default=False, action='store_true', help='disables loading of format extensions file, only PRONOM signatures are loaded, may reduce accuracy of results')
group = parser.add_mutually_exclusive_group()
group.add_argument('-input', default=False, help='file containing a list of files to check, one per line. - means stdin')
group.add_argument('files', nargs='*', default=[], metavar='FILE', help='files to check. If the file is -, then read content from stdin. In this case, python must be invoked with -u or it may convert the line terminators.')
parser.add_argument('-filename', default=None, help='filename if file contents passed through STDIN')
parser.add_argument('-useformats', metavar='INCLUDEPUIDS', default=None, help='comma separated string of formats to use in identification')
parser.add_argument('-nouseformats', metavar='EXCLUDEPUIDS', default=None, help='comma separated string of formats not to use in identification')
parser.add_argument('-matchprintf', metavar='FORMATSTRING', default=None, help='format string (Python style) to use on match. See nomatchprintf, README.txt.')
parser.add_argument('-nomatchprintf', metavar='FORMATSTRING', default=None, help='format string (Python style) to use if no match. See README.txt')
parser.add_argument('-bufsize', type=int, default=None, help='size (in bytes) of the buffer to match against (default='+str(defaults['bufsize'])+' bytes)')
parser.add_argument('-container_bufsize', type=int, default=None, help='size (in bytes) of the buffer to match against (default='+str(defaults['container_bufsize'])+' bytes)')
parser.add_argument('-loadformats', default=None, metavar='XML1,...,XMLn', help='comma separated string of XML format files to add.')
parser.add_argument('-confdir', default=None, help='configuration directory to load_fido_xml, for example, the format specifications from.')
# what is this doing here only once?
#mydir = os.path.abspath(os.path.dirname(__file__))
# PROCESS ARGUMENTS
args = parser.parse_args(arglist)
# print args
# sys.exit()
# process confdir
# load versions.xml
# and stick it in defaults
if args.confdir:
versionsFile = os.path.join(os.path.abspath(args.confdir), defaults['versions_file'])
else:
versionsFile = os.path.join(os.path.abspath(defaults['conf_dir']), defaults['versions_file'])
try:
versions = VET.parse(versionsFile)
except Exception, e:
sys.stderr.write("An error occured loading versions.xml:\n{0}".format(e))
sys.exit()
if arg != None:
arglist = arg
else:
arglist = sys.argv[1:]
#print arglist
#exit()
mydir = os.path.abspath(os.path.dirname(__file__))
# parse version file to fetch versions
versionsFile = os.path.join(mydir, 'conf', 'versions.xml')
try:
versions = VET.parse(versionsFile)
except Exception, e:
sys.stderr.write("An error occured loading versions.xml:\n{0}".format(e))
sys.exit()
xml_pronomSignature = os.path.join(mydir, 'conf', versions.find('pronomSignature').text)
xml_pronomZipFile = os.path.join(mydir, 'conf', "pronom-xml-v{0}.zip".format(versions.find('pronomVersion').text))
parser = ArgumentParser(description='Produce the fido format xml that is loaded at run-time')
parser.add_argument('-input', default=xml_pronomZipFile, help='input file, a zip containing Pronom xml files')
parser.add_argument('-output', default=xml_pronomSignature, help='output file')
parser.add_argument('-puid', default=None, help='a particular PUID record to extract')
# PROCESS ARGUMENTS
args = parser.parse_args(arglist)
# print os.path.abspath(args.input), os.path.abspath(args.output)
info = FormatInfo(args.input)
info.load_pronom_xml(args.puid)
info.save(args.output)
print >> sys.stderr, 'Converted {0} PRONOM formats to FIDO signatures'.format(len(info.formats))
if __name__ == '__main__':
main()
