Python argparse.FileType() Examples

def create_parser():
    parser = argparse.ArgumentParser(
        formatter_class=argparse.RawDescriptionHelpFormatter,
        description="learn BPE-based word segmentation")

    parser.add_argument(
        '--input', '-i', type=argparse.FileType('r'), default=sys.stdin,
        metavar='PATH',
        help="Input file (default: standard input).")
    parser.add_argument(
        '--codes', '-c', type=argparse.FileType('r'), metavar='PATH',
        required=True,
        help="File with BPE codes (created by learn_bpe.py).")
    parser.add_argument(
        '--output', '-o', type=argparse.FileType('w'), default=sys.stdout,
        metavar='PATH',
        help="Output file (default: standard output)")
    parser.add_argument(
        '--separator', '-s', type=str, default='@@', metavar='STR',
        help="Separator between non-final subword units (default: '%(default)s'))")

    return parser 

def parse_args():
  """Handle the command line arguments.

  Returns:
    Output of argparse.ArgumentParser.parse_args.
  """

  parser = argparse.ArgumentParser()
  parser.add_argument('-o', '--output', default='request.json',
                      help='Output file to write encoded images to.')
  parser.add_argument('-r', '--resize', dest='resize', action='store_true',
                      help='Will resize images locally first.  Not needed, but'
                      ' will reduce network traffic.')
  parser.add_argument('inputs', nargs='+', type=argparse.FileType('r'),
                      help='A list of .jpg or .jpeg files to serialize into a '
                      'request json')

  args = parser.parse_args()

  check = lambda filename: filename.lower().endswith(('jpeg', 'jpg'))
  if not all(check(input_file.name) for input_file in args.inputs):
    sys.stderr.write('All inputs must be .jpeg or .jpg')
    sys.exit(1)

  return args 

def add_command_args(parser):
    group = parser.add_mutually_exclusive_group()
    group.add_argument("--watch", action="store_true", help="Monitor submitted job, stream log until job completes")
    group.add_argument("--wait", action="store_true",
                       help="Block on job. Exit with code 0 if job succeeded, 1 if failed")
    group = parser.add_mutually_exclusive_group()
    group.add_argument("--command", nargs="+", help="Run these commands as the job (using " + BOLD("bash -c") + ")")
    group.add_argument("--execute", type=argparse.FileType("rb"), metavar="EXECUTABLE",
                       help="Read this executable file and run it as the job")
    group.add_argument("--wdl", type=argparse.FileType("rb"), metavar="WDL_WORKFLOW",
                       help="Read this WDL workflow file and run it as the job")
    parser.add_argument("--wdl-input", type=argparse.FileType("r"), metavar="WDL_INPUT_JSON", default=sys.stdin,
                        help="With --wdl, use this JSON file as the WDL job input (default: stdin)")
    parser.add_argument("--environment", nargs="+", metavar="NAME=VALUE",
                        type=lambda x: dict(zip(["name", "value"], x.split("=", 1))), default=[])
    parser.add_argument("--staging-s3-bucket", help=argparse.SUPPRESS) 

def cmdline():
    import argparse

    parser = argparse.ArgumentParser(description='Generate an svg wallpaper')
    parser.add_argument('--width', type=int, default=1024,
                        help='The width of the wallpaper')
    parser.add_argument('--height', type=int, default=786,
                        help='The height of the wallpaper')
    parser.add_argument('--seed',
                        help='Seed for the randomizer')
    parser.add_argument('--log-choices',
                        help='Log the choices made', action='store_true')

    parser.add_argument('--output', type=argparse.FileType('w'),
                        default='-')

    args = parser.parse_args()

    for element in get_svg_iter(args.width, args.height,
                                {"seed": args.seed},
                                log_choices=args.log_choices):
        args.output.write(element) 

def add_arguments(parser):
  parser.add_argument(
      '--output-json',
      type=argparse.FileType('w'),
      help='A json file to output information about the roll to.')
  parser.add_argument(
      '--verbose-json',
      action='store_true',
      help=(
        'Emit even more data in the output-json file. Requires --output-json.'
      ))

  def _launch(args):
    from .cmd import main
    return main(args)
  def _postprocess_func(error, args):
    if args.verbose_json and not args.output_json:
      error('--verbose-json passed without --output-json')

  parser.set_defaults(
      func=_launch, postprocess_func=_postprocess_func) 

def add_arguments(self, parser):

        parser.add_argument('input_file', type=argparse.FileType('r'), help='The file to process')
        parser.add_argument('unit', type=str,
                            help='The short name of the unit all the notes will be added under, (e.g. "CMPT")')
        parser.add_argument('--dry-run', '-n',
                            action='store_true',
                            dest='dry_run',
                            help='Don\'t actually save the data',
                            default=False,
                            )
        parser.add_argument('--verbose',
                            action='store_true',
                            dest='verbose',
                            help='Print verbose output.  Same as setting -v > 1',
                            default=False)
        parser.add_argument('--markup', '-m',
                            dest='markup',
                            default='html',
                            help='Choices are: %s.' % get_markup_choices()) 

def add_common_monolingual_args(task_parser):
    task_parser.add_argument('infile', 
                type=argparse.FileType('r',encoding=DEFAULT_ENCODING),
                nargs='?',
                default=sys.stdin,
                help='Input File path',
            )
    task_parser.add_argument('outfile', 
                type=argparse.FileType('w',encoding=DEFAULT_ENCODING),
                nargs='?',
                default=sys.stdout,                
                help='Output File path',
            )
    task_parser.add_argument('-l', '--lang', 
                help='Language',
            ) 

def add_common_bilingual_args(task_parser):
    task_parser.add_argument('infile', 
                type=argparse.FileType('r',encoding=DEFAULT_ENCODING),
                nargs='?',
                default=sys.stdin,
                help='Input File path',
            )
    task_parser.add_argument('outfile', 
                type=argparse.FileType('w',encoding=DEFAULT_ENCODING),
                nargs='?',
                default=sys.stdout,                
                help='Output File path',
            )
    task_parser.add_argument('-s', '--srclang', 
                help='Source Language',
            )

    task_parser.add_argument('-t', '--tgtlang', 
                help='Target Language',
            ) 

def add_wc_parser(subparsers):
    task_parser=subparsers.add_parser('wc', help='wc help')

    task_parser.add_argument('infile', 
                type=argparse.FileType('r',encoding=DEFAULT_ENCODING),
                nargs='?',
                default=sys.stdin,
                help='Input File path',
            )
    # task_parser.add_argument('-l', action='store_true')
    # task_parser.add_argument('-w', action='store_true')
    # task_parser.add_argument('-c', action='store_true')
    # task_parser.set_defaults(l=False)
    # task_parser.set_defaults(w=False)
    # task_parser.set_defaults(c=False)

    task_parser.set_defaults(func=run_wc) 

def cli():
    """Command-line interface to the tool."""
    streaming_clients = find_streaming_clients()

    parser = ArgumentParser(description=__doc__)
    parser.add_argument('--outfile', type=FileType('wb', encoding='utf-8'),
                        default=stdout,
                        help='File to which to write events')
    parser.add_argument('--receiver', choices=sorted(streaming_clients),
                        required=True, default='kafka',
                        help='The receiver to use')
    parser.add_argument('config', type=json_arg,
                        help='JSON configuration passed to the receiver')
    args = parser.parse_args()

    receive(args.outfile, streaming_clients[args.receiver], args.config) 

def cli():
    """Command-line interface to the tool."""
    streaming_clients = find_streaming_clients()

    parser = ArgumentParser(description=__doc__)
    parser.add_argument('--infile', type=FileType('r', encoding='utf-8'),
                        default=stdin,
                        help='File with events to send')
    parser.add_argument('--sender', choices=sorted(streaming_clients),
                        required=True, default='kafka',
                        help='The sender to use')
    parser.add_argument('config', type=json_arg,
                        help='JSON configuration passed to the sender')
    args = parser.parse_args()

    send(args.infile, streaming_clients[args.sender], args.config) 

def create_parser():
    parser = argparse.ArgumentParser(
        formatter_class=argparse.RawDescriptionHelpFormatter,
        description="learn BPE-based word segmentation")

    parser.add_argument(
        '--input', '-i', type=argparse.FileType('r'), default=sys.stdin,
        metavar='PATH',
        help="Input text (default: standard input).")
    parser.add_argument(
        '--output', '-o', type=argparse.FileType('w'), default=sys.stdout,
        metavar='PATH',
        help="Output file for BPE codes (default: standard output)")
    parser.add_argument(
        '--symbols', '-s', type=int, default=10000,
        help="Create this many new symbols (each representing a character n-gram) (default: %(default)s))")
    parser.add_argument(
        '--min-frequency', type=int, default=2, metavar='FREQ',
        help='Stop if no symbol pair has frequency >= FREQ (default: %(default)s))')
    parser.add_argument(
        '--verbose', '-v', action="store_true",
        help="verbose mode.")

    return parser 

def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("-n", "--max-no-articles", type = int, default=10,
                        help = "maximum number of articles to download")
    parser.add_argument("-w", "--no-words", type = int, default=1000000,
                        help = "target number of words")

    parser.add_argument("-s", "--search",
                        help = "if specified will use this search term")

    parser.add_argument("language",
                        help = "2 letter language code")

    parser.add_argument("output", type = argparse.FileType('w'),
                        help = "output file")

    args = parser.parse_args()
    articles = get_articles(**vars(args))
    corpusxml = articles2xml(articles)

    xmlstr = lxml.etree.tostring(corpusxml,
                                 pretty_print=True,
                                 xml_declaration=True,
                                 encoding='utf-8')
    args.output.write(xmlstr.decode('utf-8')) 

def main():
	parser = argparse.ArgumentParser(description='King Phisher Signing-Key Generation Utility', conflict_handler='resolve')
	utilities.argp_add_args(parser)
	subparsers = parser.add_subparsers(dest='subcommand')
	subparsers.required = True

	parser_display = subparsers.add_parser('display')
	parser_display.set_defaults(action=action_display)
	parser_display.add_argument('file', default=os.getenv('KING_PHISHER_DEV_KEY'), nargs='?', help='the key file to display')

	parser_generate = subparsers.add_parser('generate')
	parser_generate.set_defaults(action=action_generate)
	parser_generate.add_argument('id', help='this key\'s identifier')
	parser_generate.add_argument('file', type=argparse.FileType('w'), help='the destination to write the key to')
	arguments = parser.parse_args()

	find.init_data_path()
	arguments.action(arguments) 

def parse_args(args: Sequence) -> argparse.Namespace:
    """Parse command-line arguments."""
    parser = argparse.ArgumentParser(
        description=(
            "A blazing fast LookML parser, implemented in pure Python. "
            "When invoked from the command line, "
            "returns the parsed output as a JSON string."
        )
    )
    parser.add_argument(
        "file", type=argparse.FileType("r"), help="path to the LookML file to parse"
    )
    parser.add_argument(
        "-d",
        "--debug",
        action="store_const",
        dest="log_level",
        const=logging.DEBUG,
        default=logging.WARN,
        help="increase logging verbosity",
    )

    return parser.parse_args(args) 

def get_parser():
    parser = argparse.ArgumentParser()
    parser.add_argument('--discard', metavar='RE', type=str, nargs='+',
                        default=None, help='regex(es) of sequence ID(s) to '
                        'discard')
    parser.add_argument('--debug', action='store_true',
                        help='print debugging output')
    parser.add_argument('--minlength', type=int, default=10000,
                        help='minimum length of sequences to keep after '
                        'removing ambiguous nucleotides; default is 10000')
    parser.add_argument('--outfile', metavar='FILE', default=sys.stdout,
                        type=argparse.FileType('w'), help='output fasta file '
                        '(prints to terminal by default)')
    parser.add_argument('infile', metavar='FILE', type=argparse.FileType('r'),
                        help='input fasta file (- for standard input)')
    return parser 

def cli(args=None):
    # type: (Optional[Iterable[str]]) -> None
    """CLI entry point for processing AWS Encryption SDK Encrypt Message manifests."""
    parser = argparse.ArgumentParser(
        description="Build ciphertexts and decrypt manifest from keys and encrypt manifests"
    )
    parser.add_argument("--output", required=True, help="Directory in which to store results")
    parser.add_argument(
        "--input", required=True, type=argparse.FileType("r"), help="Existing full message encrypt manifest"
    )
    parser.add_argument(
        "--human",
        required=False,
        default=None,
        action="store_const",
        const=4,
        dest="json_indent",
        help="Output human-readable JSON",
    )

    parsed = parser.parse_args(args)

    encrypt_manifest = MessageEncryptionManifest.from_file(parsed.input)

    encrypt_manifest.run_and_write_to_dir(target_directory=parsed.output, json_indent=parsed.json_indent) 

def parse_arguments():
    parser = argparse.ArgumentParser(
        description='Animates a long screenshot into a GIF')
    parser.add_argument('input', type=argparse.FileType(),
                        help='Input screenshot image')
    parser.add_argument('output', type=str,
                        help='Output animated GIF')
    parser.add_argument('height', type=int,
                        help='Window height')
    parser.add_argument('--pad', default=0, type=int,
                        help='Padding on sides')
    parser.add_argument('--maxspeed', default=200, type=int,
                        help='Max speed on scroll px/frame')
    parser.add_argument('--stops', nargs='*', default=[],
                        help='Stops between scrolls, px')
    parser.add_argument('--zoom-steps', default=7, type=int,
                        help='Number of steps on initial zoom in')
    parser.add_argument('--start-scale', default=.7, type=float,
                        help='Start scale')
    parser.add_argument('--zoom-to', default=0, type=int,
                        help='Point to zoom to')
    parser.add_argument('--shadow-size', default=0, type=int,
                        help='Shadow size')
    parser.add_argument('--rgb-outline', default='#e1e4e8', type=str,
                        help='Screenshot outline color')
    parser.add_argument('--rgb-background', default='#ffffff', type=str,
                        help='Background color')
    parser.add_argument('--rgb-shadow', default='#999999', type=str,
                        help='Screenshot shadow color')
    parser.add_argument('--rgb-window', default='#e1e4e8', type=str,
                        help='Window outline color')
    global ARGS
    ARGS = parser.parse_args() 

def configure_argument_parser(self, parser: argparse.ArgumentParser):
        parser.add_argument(
            "config", type=argparse.FileType("r"), help="configuration file"
        )
        parser.add_argument(
            "-V", "--version", action="version", version=f"%(prog)s {__version__}",
        )
        parser.add_argument(
            "--check-only",
            action="store_true",
            help="only check configuration, don't run the exporter",
        )
        autocomplete(parser) 

def cli():
    parser = argparse.ArgumentParser()
    parser.add_argument('-f', '--file', dest='sequence_file',
                        type=argparse.FileType('r'), required=True,
                        help='path to file in fasta format with sequences')
    parser.add_argument('-m', '--model', dest='model_file',
                        type=argparse.FileType('r'), default=DEFAULT_MODEL,
                        help='path to the model to use')
    if has_matplotlib:
        parser.add_argument('-p', '--plot', dest='plot_posterior',
                            action='store_true',
                            help='plot posterior probabilies')

    args = parser.parse_args()

    header, model = parse(args.model_file)
    for entry in load_fasta_file(args.sequence_file):
        path, posterior = predict(entry.sequence, header, model)

        with open(entry.id + '.summary', 'w') as summary_file:
            for start, end, state in summarize(path):
                print("{} {} {}".format(start, end, PRETTY_NAMES[state]),
                      file=summary_file)

        with open(entry.id + '.annotation', 'w') as ann_file:
            print('>', entry.id, ' ', entry.description, sep='', file=ann_file)
            for line in textwrap.wrap(path, 79):
                print(line, file=ann_file)

        plot_filename = entry.id + '.plot'
        with open(plot_filename, 'w') as plot_file:
            dump_posterior_file(plot_file, posterior)

        if hasattr(args, 'plot_posterior') and args.plot_posterior:
            with open(plot_filename, 'r') as fileobj:
                plot(fileobj, entry.id + '.pdf') 

def __init__(self, **kwargs):
        super(Export, self).__init__(**kwargs)

        self.parser = argparse.ArgumentParser(description=self.description,
                                              usage=self.usage)

        # Actions
        group = self.parser.add_mutually_exclusive_group(required=True)
        group.add_argument('--identities', action='store_true',
                           help="export identities")
        group.add_argument('--orgs', action='store_true',
                           help="export organizations")

        # General options
        self.parser.add_argument('--source', dest='source', default=None,
                                 help="source of the identities to export")

        # Positional arguments
        self.parser.add_argument('outfile', nargs='?', type=argparse.FileType('w'),
                                 default=sys.stdout,
                                 help="output file")

        # Exit early if help is requested
        if 'cmd_args' in kwargs and [i for i in kwargs['cmd_args'] if i in HELP_LIST]:
            return

        self._set_database(**kwargs) 

def main(argv=None):
    '''
    Handles command line arguments and gets things started.

    :param argv: List of arguments, as if specified on the command-line.
                 If None, ``sys.argv[1:]`` is used instead.
    :type argv: list of str
    '''
    # Get command line arguments
    parser = argparse.ArgumentParser(
        description="Takes one or more file paths and reports their detected \
                     encodings",
        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
        conflict_handler='resolve')
    parser.add_argument('input',
                        help='File whose encoding we would like to determine.',
                        type=argparse.FileType('rb'), nargs='*',
                        default=[sys.stdin])
    parser.add_argument('--version', action='version',
                        version='%(prog)s {0}'.format(__version__))
    args = parser.parse_args(argv)

    for f in args.input:
        if f.isatty():
            print("You are running chardetect interactively. Press " +
                  "CTRL-D twice at the start of a blank line to signal the " +
                  "end of your input. If you want help, run chardetect " +
                  "--help\n", file=sys.stderr)
        print(description_of(f, f.name)) 

def main(argv=None):
    """
    Handles command line arguments and gets things started.

    :param argv: List of arguments, as if specified on the command-line.
                 If None, ``sys.argv[1:]`` is used instead.
    :type argv: list of str
    """
    # Get command line arguments
    parser = argparse.ArgumentParser(
        description="Takes one or more file paths and reports their detected \
                     encodings")
    parser.add_argument('input',
                        help='File whose encoding we would like to determine. \
                              (default: stdin)',
                        type=argparse.FileType('rb'), nargs='*',
                        default=[sys.stdin if PY2 else sys.stdin.buffer])
    parser.add_argument('--version', action='version',
                        version='%(prog)s {0}'.format(__version__))
    args = parser.parse_args(argv)

    for f in args.input:
        if f.isatty():
            print("You are running chardetect interactively. Press " +
                  "CTRL-D twice at the start of a blank line to signal the " +
                  "end of your input. If you want help, run chardetect " +
                  "--help\n", file=sys.stderr)
        print(description_of(f, f.name)) 

def get_widget(action, widgets):
  supplied_widget = widgets.get(action.dest, None)
  type_arg_widget = 'FileChooser' if action.type == argparse.FileType else None
  return supplied_widget or type_arg_widget or None 

def add_file_with_hash_list_arg(self, allowed_hashes):
        self.parser.add_argument('hashes-file', type=argparse.FileType('r'), help='Path to file containing list of sample hashes separated by new line (allowed: {})'.format(', '.join(allowed_hashes)))

        return self 

def add_file_with_ids_arg(self, allowed_ids):
        self.parser.add_argument('mixed-ids-file', type=argparse.FileType('r'), help='Path to file containing list of ids (allowed: {}'.format(', '.join(allowed_ids)))

        return self 

def main(argv=None):
    """
    Handles command line arguments and gets things started.

    :param argv: List of arguments, as if specified on the command-line.
                 If None, ``sys.argv[1:]`` is used instead.
    :type argv: list of str
    """
    # Get command line arguments
    parser = argparse.ArgumentParser(
        description="Takes one or more file paths and reports their detected \
                     encodings")
    parser.add_argument('input',
                        help='File whose encoding we would like to determine. \
                              (default: stdin)',
                        type=argparse.FileType('rb'), nargs='*',
                        default=[sys.stdin if PY2 else sys.stdin.buffer])
    parser.add_argument('--version', action='version',
                        version='%(prog)s {0}'.format(__version__))
    args = parser.parse_args(argv)

    for f in args.input:
        if f.isatty():
            print("You are running chardetect interactively. Press " +
                  "CTRL-D twice at the start of a blank line to signal the " +
                  "end of your input. If you want help, run chardetect " +
                  "--help\n", file=sys.stderr)
        print(description_of(f, f.name)) 

def main(argv=None):
    """
    Handles command line arguments and gets things started.

    :param argv: List of arguments, as if specified on the command-line.
                 If None, ``sys.argv[1:]`` is used instead.
    :type argv: list of str
    """
    # Get command line arguments
    parser = argparse.ArgumentParser(
        description="Takes one or more file paths and reports their detected \
                     encodings")
    parser.add_argument('input',
                        help='File whose encoding we would like to determine. \
                              (default: stdin)',
                        type=argparse.FileType('rb'), nargs='*',
                        default=[sys.stdin if PY2 else sys.stdin.buffer])
    parser.add_argument('--version', action='version',
                        version='%(prog)s {0}'.format(__version__))
    args = parser.parse_args(argv)

    for f in args.input:
        if f.isatty():
            print("You are running chardetect interactively. Press " +
                  "CTRL-D twice at the start of a blank line to signal the " +
                  "end of your input. If you want help, run chardetect " +
                  "--help\n", file=sys.stderr)
        print(description_of(f, f.name)) 

def add_arguments(parser):
  parser.add_argument(
    'input', type=argparse.FileType('r'),
    help='Path to a JSON object. Valid fields: "files", "recipes". See'
         ' analyze.proto file for more information')
  parser.add_argument(
    'output', type=argparse.FileType('w'), default=sys.stdout,
    help='The file to write output to. See analyze.proto for more information.')

  def _launch(args):
    from .cmd import main
    return main(args)
  parser.set_defaults(func=_launch) 

def main():
    """Merge VCF files, output to stdout or file"""
    defsvwindow = 100

    parser = argparse.ArgumentParser(description='Merge calls in VCF files')
    parser.add_argument('input_files', nargs='+', help='Input VCF files')
    parser.add_argument('-o', '--output', type=argparse.FileType('w'), default=sys.stdout, help="Specify output file (default:stdout)") 
    parser.add_argument('-v', '--verbose', action='store_true', help="Specify verbose output")
    parser.add_argument('-l', '--labels', type=str, help='Comma-separated labels for each input VCF file (default:basenames)')
    parser.add_argument('-n', '--ncallers', action='store_true', help='Annotate variant with number of callers')
    parser.add_argument('-m', '--mincallers', type=int, default=0, help='Minimum # of callers for variant to pass')
    parser.add_argument('-s', '--sv', action='store_true', help='Force interpretation as SV (default:false)')
    parser.add_argument('-f', '--filtered', action='store_true', help='Include records that have failed one or more filters (default:false)')
    parser.add_argument('-w', '--svwindow', default=defsvwindow, type=int,
                         help='Window for comparing breakpoint positions for SVs (default:'+str(defsvwindow)+')')

    args = parser.parse_args()
    input_files = args.input_files
    if args.labels is None:
        labels = [os.path.splitext(os.path.basename(f))[0] for f in input_files]
    else:
        labels = [label.strip() for label in args.labels.split(',')]

    mergedfile.merge(input_files, labels, args.sv, args.output,
                     slop=args.svwindow, verbose=args.verbose,
                     output_ncallers=args.ncallers,
                     min_num_callers=args.mincallers,
                     filterByChromosome=True, noFilter=args.filtered)