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"""kytos - The kytos command line. |
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You are at the "napps" command. |
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Usage: |
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kytos napps create |
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kytos napps upload |
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kytos napps delete <napp>... |
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kytos napps list |
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kytos napps install <napp>... |
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kytos napps uninstall <napp>... |
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kytos napps enable (all| <napp>...) |
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kytos napps disable (all| <napp>...) |
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kytos napps search <pattern> |
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kytos napps -h | --help |
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Options: |
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-h, --help Show this screen. |
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Common napps subcommands: |
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create Create a bootstrap NApp structure for development. |
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upload Upload current NApp to Kytos repository. |
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delete Delete NApps from NApps Server. |
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list List all NApps installed into your system. |
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install Install a local or remote NApp into a controller. |
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uninstall Remove a NApp from your controller. |
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enable Enable a installed NApp. |
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disable Disable a NApp. |
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search Search for NApps in NApps Server. |
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""" |
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import re |
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import sys |
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from docopt import docopt |
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from kytos.cli.commands.napps.api import NAppsAPI |
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from kytos.utils.exceptions import KytosException |
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def parse(argv): |
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"""Parse cli args.""" |
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args = docopt(__doc__, argv=argv) |
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try: |
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call(sys.argv[2], args) |
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except KytosException as e: |
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print("Error parsing args: {}".format(e)) |
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exit() |
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def call(subcommand, args): |
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"""Call a subcommand passing the args.""" |
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args['<napp>'] = parse_napps(args['<napp>']) |
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func = getattr(NAppsAPI, subcommand) |
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func(args) |
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def parse_napps(napp_ids): |
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"""Return a list of tuples with username, napp_name and version. |
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napp_ids elements are of the form username/name[:version] |
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(version is optional). If no version is found, it will be None. |
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If napp_ids is equal to 'all', this string will be returned. |
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Args: |
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napp_ids (list): NApps from the cli. |
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Return: |
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list: list of tuples with (username, napp_name, version). |
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Raises: |
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KytosException: If a NApp has not the form _username/name_. |
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""" |
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if 'all' in napp_ids: |
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return 'all' |
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return [parse_napp(napp_id) for napp_id in napp_ids] |
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def parse_napp(napp_id): |
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"""Convert a napp_id in tuple with username, napp name and version. |
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Args: |
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napp_id: String with the form 'username/napp[:version]' (version is |
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optional). If no version is found, it will be None. |
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Returns: |
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tuple: A tuple with (username, napp, version) |
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Raises: |
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KytosException: If a NApp has not the form _username/name_. |
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""" |
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# `napp_id` regex, composed by two mandatory parts (username, napp_name) |
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# and one optional (version). |
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# username and napp_name need to start with a letter, are composed of |
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# letters, numbers and uderscores and must have at least three characters. |
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# They are separated by a colon. |
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# version is optional and can take any format. Is is separated by a hyphen, |
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# if a version is defined. |
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regex = r'([a-zA-Z][a-zA-Z0-9_]{2,})/([a-zA-Z][a-zA-Z0-9_]{2,}):?(.+)?' |
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compiled_regex = re.compile(regex) |
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matched = compiled_regex.fullmatch(napp_id) |
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if not matched: |
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msg = '"{}" NApp has not the form username/napp_name[:version].' |
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raise KytosException(msg.format(napp_id)) |
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return matched.groups() |
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kytos /
kytos-utils
