()
return {'input': input_file,
            'output': options.filename,
            'safe_mode': options.safe,
            'extensions': options.extensions,
            'encoding': options.encoding,
            'output_format': options.output_format,
            'lazy_ol': options.lazy_ol}, options.verbose
Define and parse `optparse` options for command-line usage.
Define and parse `optparse` options for command-line usage.
Define and parse optparse options for command - line usage .
def parse_options():
    """
    Define and parse `optparse` options for command-line usage.
    """
    usage = """%prog [options] [INPUTFILE]
       (STDIN is assumed if no INPUTFILE is given)"""
    desc = "A Python implementation of John Gruber's Markdown. " \
           "http://packages.python.org/Markdown/"
    ver = "%%prog %s" % markdown.version
    
    parser = optparse.OptionParser(usage=usage, description=desc, version=ver)
    parser.add_option("-f", "--file", dest="filename", default=None,
                      help="Write output to OUTPUT_FILE. Defaults to STDOUT.",
                      metavar="OUTPUT_FILE")
    parser.add_option("-e", "--encoding", dest="encoding",
                      help="Encoding for input and output files.",)
    parser.add_option("-q", "--quiet", default = CRITICAL,
                      action="store_const", const=CRITICAL+10, dest="verbose",
                      help="Suppress all warnings.")
    parser.add_option("-v", "--verbose",
                      action="store_const", const=INFO, dest="verbose",
                      help="Print all warnings.")
    parser.add_option("-s", "--safe", dest="safe", default=False,
                      metavar="SAFE_MODE",
                      help="'replace', 'remove' or 'escape' HTML tags in input")
    parser.add_option("-o", "--output_format", dest="output_format", 
                      default='xhtml1', metavar="OUTPUT_FORMAT",
                      help="'xhtml1' (default), 'html4' or 'html5'.")
    parser.add_option("--noisy",
                      action="store_const", const=DEBUG, dest="verbose",
                      help="Print debug messages.")
    parser.add_option("-x", "--extension", action="append", dest="extensions",
                      help = "Load extension EXTENSION.", metavar="EXTENSION")
    parser.add_option("-n", "--no_lazy_ol", dest="lazy_ol", 
                      action='store_false', default=True,
                      help="Observe number of first item of ordered lists.")

    (options, args) = parser.parse_args()

    if len(args) == 0:
        input_file = None
    else:
        input_file = args[0]

    if not options.extensions:
        options.extensions = []

    return {'input': input_file,
            'output': options.filename,
            'safe_mode': options.safe,
            'extensions': options.extensions,
            'encoding': options.encoding,
            'output_format': options.output_format,
            'lazy_ol': options.lazy_ol}, options.verbose
def parse_options ( ) : usage = """%prog [options] [INPUTFILE]
       (STDIN is assumed if no INPUTFILE is given)""" desc = "A Python implementation of John Gruber's Markdown. " "http://packages.python.org/Markdown/" ver = "%%prog %s" % markdown . version parser = optparse . OptionParser ( usage = usage , description = desc , version = ver ) parser . add_option ( "-f" , "--file" , dest = "filename" , default = None , help = "Write output to OUTPUT_FILE. Defaults to STDOUT." , metavar = "OUTPUT_FILE" ) parser . add_option ( "-e" , "--encoding" , dest = "encoding" , help = "Encoding for input and output files." , ) parser . add_option ( "-q" , "--quiet" , default = CRITICAL , action = "store_const" , const = CRITICAL + 10 , dest = "verbose" , help = "Suppress all warnings." ) parser . add_option ( "-v" , "--verbose" , action = "store_const" , const = INFO , dest = "verbose" , help = "Print all warnings." ) parser . add_option ( "-s" , "--safe" , dest = "safe" , default = False , metavar = "SAFE_MODE" , help = "'replace', 'remove' or 'escape' HTML tags in input" ) parser . add_option ( "-o" , "--output_format" , dest = "output_format" , default = 'xhtml1' , metavar = "OUTPUT_FORMAT" , help = "'xhtml1' (default), 'html4' or 'html5'." ) parser . add_option ( "--noisy" , action = "store_const" , const = DEBUG , dest = "verbose" , help = "Print debug messages." ) parser . add_option ( "-x" , "--extension" , action = "append" , dest = "extensions" , help = "Load extension EXTENSION." , metavar = "EXTENSION" ) parser . add_option ( "-n" , "--no_lazy_ol" , dest = "lazy_ol" , action = 'store_false' , default = True , help = "Observe number of first item of ordered lists." ) ( options , args ) = parser . parse_args ( ) if len ( args ) == 0 : input_file = None else : input_file = args [ 0 ] if not options . extensions : options . extensions = [ ] return { 'input' : input_file , 'output' : options . filename , 'safe_mode' : options . safe , 'extensions' : options . extensions , 'encoding' : options . encoding , 'output_format' : options . output_format , 'lazy_ol' : options . lazy_ol } , options . verbose