import os.path, re, sys from twisted.python import usage from allmydata.scripts.common import BaseOptions NODEURL_RE=re.compile("http://([^:]*)(:([1-9][0-9]*))?") class VDriveOptions(BaseOptions, usage.Options): optParameters = [ ["node-directory", "d", "~/.tahoe", "Look here to find out which Tahoe node should be used for all " "operations. The directory should either contain a full Tahoe node, " "or a file named node.url which points to some other Tahoe node. " "It should also contain a file named my_vdrive.uri which contains " "the root dirnode URI that should be used, and a file named " "global_root.uri which contains the public global root dirnode URI." ], ["node-url", "u", None, "URL of the tahoe node to use, a URL like \"http://127.0.0.1:8123\". " "This overrides the URL found in the --node-directory ."], ["root-uri", "r", "private", "Which dirnode URI should be used as a root directory. The string " "'public' is special, and means we should use the public global root " "as found in the global_root.uri file in the --node-directory . The " "string 'private' is also special, and means we should use the " "private vdrive as found in the my_vdrive.uri file in the " "--node-directory ."], ] def postOptions(self): # compute a node-url from the existing options, put in self['node-url'] if self['node-directory']: self['node-directory'] = os.path.expanduser(self['node-directory']) if self['node-url']: if (not isinstance(self['node-url'], basestring) or not NODEURL_RE.match(self['node-url'])): msg = ("--node-url is required to be a string and look like " "\"http://HOSTNAMEORADDR:PORT\", not: %r" % (self['node-url'],)) raise usage.UsageError(msg) else: node_url_file = os.path.join(self['node-directory'], "node.url") self['node-url'] = open(node_url_file, "r").read().strip() # also compute self['root-uri'] if self['root-uri'] == "private": uri_file = os.path.join(self['node-directory'], "my_vdrive.uri") self['root-uri'] = open(uri_file, "r").read().strip() elif self['root-uri'] == "public": uri_file = os.path.join(self['node-directory'], "global_root.uri") self['root-uri'] = open(uri_file, "r").read().strip() else: from allmydata import uri parsed = uri.from_string(self['root-uri']) if not uri.IDirnodeURI.providedBy(parsed): raise usage.UsageError("--root-uri must be a dirnode URI, or " "'public' or 'private'") class ListOptions(VDriveOptions): def parseArgs(self, vdrive_pathname=""): self['vdrive_pathname'] = vdrive_pathname longdesc = """List the contents of some portion of the virtual drive.""" class GetOptions(VDriveOptions): def parseArgs(self, vdrive_filename, local_filename="-"): self['vdrive_filename'] = vdrive_filename self['local_filename'] = local_filename def getSynopsis(self): return "%s get VDRIVE_FILE LOCAL_FILE" % (os.path.basename(sys.argv[0]),) longdesc = """Retrieve a file from the virtual drive and write it to the local filesystem. If LOCAL_FILE is omitted or '-', the contents of the file will be written to stdout.""" class PutOptions(VDriveOptions): def parseArgs(self, local_filename, vdrive_filename): self['local_filename'] = local_filename self['vdrive_filename'] = vdrive_filename def getSynopsis(self): return "%s put LOCAL_FILE VDRIVE_FILE" % (os.path.basename(sys.argv[0]),) longdesc = """Put a file into the virtual drive (copying the file's contents from the local filesystem). LOCAL_FILE is required to be a local file (it can't be stdin).""" class RmOptions(VDriveOptions): def parseArgs(self, vdrive_pathname): self['vdrive_pathname'] = vdrive_pathname def getSynopsis(self): return "%s rm VE_FILE" % (os.path.basename(sys.argv[0]),) class MvOptions(VDriveOptions): def parseArgs(self, frompath, topath): self['from'] = frompath self['to'] = topath def getSynopsis(self): return "%s mv FROM TO" % (os.path.basename(sys.argv[0]),) subCommands = [ ["ls", None, ListOptions, "List a directory"], ["get", None, GetOptions, "Retrieve a file from the virtual drive."], ["put", None, PutOptions, "Upload a file into the virtual drive."], ["rm", None, RmOptions, "Unlink a file or directory in the virtual drive."], ["mv", None, MvOptions, "Move a file within the virtual drive."], ] def list(config, stdout, stderr): from allmydata.scripts import tahoe_ls rc = tahoe_ls.list(config['node-url'], config['root-uri'], config['vdrive_pathname'], stdout, stderr) return rc def get(config, stdout, stderr): from allmydata.scripts import tahoe_get vdrive_filename = config['vdrive_filename'] local_filename = config['local_filename'] rc = tahoe_get.get(config['node-url'], config['root-uri'], vdrive_filename, local_filename, stdout, stderr) if rc == 0: if local_filename is None or local_filename == "-": # be quiet, since the file being written to stdout should be # proof enough that it worked, unless the user is unlucky # enough to have picked an empty file pass else: print >>stderr, "%s retrieved and written to %s" % \ (vdrive_filename, local_filename) return rc def put(config, stdout, stderr): from allmydata.scripts import tahoe_put vdrive_filename = config['vdrive_filename'] local_filename = config['local_filename'] if config['quiet']: verbosity = 0 else: verbosity = 2 rc = tahoe_put.put(config['node-url'], config['root-uri'], local_filename, vdrive_filename, verbosity, stdout, stderr) return rc def rm(config, stdout, stderr): from allmydata.scripts import tahoe_rm vdrive_pathname = config['vdrive_pathname'] if config['quiet']: verbosity = 0 else: verbosity = 2 rc = tahoe_rm.rm(config['node-url'], config['root-uri'], vdrive_pathname, verbosity, stdout, stderr) return rc def mv(config, stdout, stderr): from allmydata.scripts import tahoe_mv frompath = config['from'] topath = config['to'] rc = tahoe_mv.mv(config['node-url'], config['root-uri'], frompath, topath, stdout, stderr) return rc dispatch = { "ls": list, "get": get, "put": put, "rm": rm, "mv": mv, }