示例#1
0
def download(dataset, path='./', quiet=False, subdir=False, debug=False):
    """Download scripts for retriever."""
    args = {
        'dataset': dataset,
        'command': 'download',
        'path': path,
        'subdir': subdir,
        'quiet': quiet
    }
    engine = choose_engine(args)

    scripts = name_matches(script_list, args['dataset'])
    if scripts:
        for script in scripts:
            print("=> Downloading", script.name)
            try:
                script.download(engine, debug=debug)
                script.engine.final_cleanup()
            except Exception as e:
                print(e)
                if debug:
                    raise
    else:
        message = "The dataset \"{}\" isn't currently available in the Retriever. " \
                  "Run retriever.datasets() to see a list of currently " \
                  "available datasets".format(args['dataset'])
        raise ValueError(message)
示例#2
0
def _install(args, use_cache, debug):
    """Install datasets for retriever."""
    engine = choose_engine(args)
    engine.use_cache = use_cache

    script_list = SCRIPT_LIST()
    if not script_list or not os.listdir(SCRIPT_WRITE_PATH):
        check_for_updates()
        script_list = SCRIPT_LIST(force_compile=False)
    data_sets_scripts = name_matches(script_list, args['dataset'])
    if data_sets_scripts:
        for data_sets_script in data_sets_scripts:
            print("=> Installing", data_sets_script.name)
            try:
                data_sets_script.download(engine, debug=debug)
                data_sets_script.engine.final_cleanup()
            except Exception as e:
                print(e)
                if debug:
                    raise
    else:
        message = "The dataset \"{}\" isn't available in the Retriever. " \
                  "Run retriever.datasets()to list the currently available " \
                  "datasets".format(args['dataset'])
        raise ValueError(message)
示例#3
0
def _install(args, use_cache, debug):
    """Install datasets for retriever."""
    engine = choose_engine(args)
    engine.use_cache = use_cache

    script_list = SCRIPT_LIST()
    if not script_list or not os.listdir(SCRIPT_WRITE_PATH):
        check_for_updates()
        script_list = SCRIPT_LIST(force_compile=False)
    data_sets_scripts = name_matches(script_list, args['dataset'])
    if data_sets_scripts:
        for data_sets_script in data_sets_scripts:
            print("=> Installing", data_sets_script.name)
            try:
                data_sets_script.download(engine, debug=debug)
                data_sets_script.engine.final_cleanup()
            except Exception as e:
                print(e)
                if debug:
                    raise
    else:
        message = "The dataset \"{}\" isn't available in the Retriever. " \
                  "Run retriever.datasets()to list the currently available " \
                  "datasets".format(args['dataset'])
        raise ValueError(message)
示例#4
0
def main():
    """This function launches the EcoData Retriever."""
    if len(sys.argv) == 1 or (len(sys.argv) > 1 and sys.argv[1] == 'gui'):
        # if no command line args are passed, launch GUI

        check_for_updates(graphical=False if 'darwin' in platform.platform().lower() else True)
        lists = get_lists()
        
        from retriever.app.main import launch_app
        launch_app(lists)

    else:
        # otherwise, parse them

        script_list = SCRIPT_LIST()
        
        args = parser.parse_args()
        if args.quiet:
            sys.stdout = open(os.devnull, 'w')

        if args.command == 'help':
            parser.parse_args(['-h'])
        
        if hasattr(args, 'compile') and args.compile:
            script_list = SCRIPT_LIST(force_compile=True)
        
        if args.command == 'update':
            check_for_updates(graphical=False)
            script_list = SCRIPT_LIST()
            return

        elif args.command == 'citation':
            if args.dataset is None:
                citation_path = os.path.join(os.path.split(__file__)[0], '../CITATION')
                print citation_path
                with open(citation_path) as citation_file:
                    print citation_file.read()
            else:
                scripts = name_matches(script_list, args.dataset)
                for dataset in scripts:
                    print dataset.description

            return
            
        elif args.command == 'gui':
            lists = get_lists()

            from retriever.app.main import launch_app
            launch_app(lists)
            return

        elif args.command == 'new':
            f = open(args.filename, 'w')
            f.write(sample_script)
            f.close()
            
            return
        
        if args.command == 'ls' or args.dataset is None:
            import lscolumns

            #If scripts have never been downloaded there is nothing to list
            if not script_list:
                print "No scripts are currently available. Updating scripts now..."
                check_for_updates(graphical=False)
                print "\n\nScripts downloaded.\n"
                script_list = SCRIPT_LIST()

            all_scripts = set([script.shortname for script in script_list])
            all_tags = set(["ALL"] + 
                            [tag.strip().upper() for script in script_list for tagset in script.tags for tag in tagset.split('>')])

            print "Available datasets (%s):" % len(all_scripts)
            lscolumns.printls(sorted(list(all_scripts), key=lambda s: s.lower()))
            print "Groups:"
            lscolumns.printls(sorted(list(all_tags)))
            return
        
        engine = choose_engine(args.__dict__)
        
        if hasattr(args, 'debug') and args.debug: debug = True
        else: debug = False
        
        scripts = name_matches(script_list, args.dataset)
        if scripts:
            for dataset in scripts:
                print "=> Installing", dataset.name
                try:
                    dataset.download(engine, debug=debug)
                    dataset.engine.final_cleanup()
                except KeyboardInterrupt:
                    pass
                except Exception as e:
                    print e
                    if debug: raise
            print "Done!"
        else:
            print "The dataset %s isn't currently available in the Retriever" % (args.dataset)
            print "Run 'retriever -ls to see a list of currently available datasets"
示例#5
0
def main():
    """This function launches the Data Retriever."""
    sys.argv[1:] = [arg.lower() for arg in sys.argv[1:]]
    if len(sys.argv) == 1:
        # if no command line args are passed, show the help options
        parser.parse_args(['-h'])

    else:
        # otherwise, parse them

        script_list = SCRIPT_LIST()

        args = parser.parse_args()

        if args.command == "install" and not args.engine:
            parser.parse_args(['install', '-h'])

        if args.quiet:
            sys.stdout = open(os.devnull, 'w')

        if args.command == 'help':
            parser.parse_args(['-h'])

        if hasattr(args, 'compile') and args.compile:
            script_list = SCRIPT_LIST(force_compile=True)

        if args.command == 'defaults':
            for engine_item in engine_list:
                print("Default options for engine ", engine_item.name)
                for default_opts in engine_item.required_opts:
                    print(default_opts[0], " ", default_opts[2])
                print()
            return

        if args.command == 'update':
            check_for_updates(False)
            script_list = SCRIPT_LIST()
            return

        elif args.command == 'citation':
            if args.dataset is None:
                print("\nCitation for retriever:\n")
                print(CITATION)
            else:
                scripts = name_matches(script_list, args.dataset)
                for dataset in scripts:
                    print("\nDataset:  {}".format(dataset.name))
                    print("Citation:   {}".format(dataset.citation))
                    print("Description:   {}\n".format(dataset.description))

            return

        elif args.command == 'license':
            dataset_license = license(args.dataset)
            if dataset_license:
                print(dataset_license)
            else:
                print("There is no license information for {}".format(args.dataset))
            return

        elif args.command == 'new':
            f = open(args.filename, 'w')
            f.write(sample_script)
            f.close()

            return

        elif args.command == 'reset':
            reset_retriever(args.scope)
            return

        elif args.command == 'new_json':
            # create new JSON script
            create_json()
            return

        elif args.command == 'edit_json':
            # edit existing JSON script
            json_file = get_script_filename(args.dataset.lower())
            edit_json(json_file)
            return

        elif args.command == 'delete_json':
            # delete existing JSON script from home directory and or script directory if exists in current dir
            confirm = input("Really remove " + args.dataset.lower() +
                            " and all its contents? (y/N): ")
            if confirm.lower().strip() in ['y', 'yes']:
                json_file = get_script_filename(args.dataset.lower())
                delete_json(json_file)
            return

        if args.command == 'ls':
            # If scripts have never been downloaded there is nothing to list
            if not script_list:
                print("No scripts are currently available. Updating scripts now...")
                check_for_updates(False)
                print("\n\nScripts downloaded.\n")

            if args.l is None:
                all_scripts = datasets()
                print("Available datasets : {}\n".format(len(all_scripts)))
                from retriever import lscolumns
                lscolumns.printls(dataset_names())
            else:
                all_scripts = datasets(args.l[0])
                print("Available datasets : {}\n".format(len(all_scripts)))
                count = 1
                for script in all_scripts:
                    print("{}. {}".format(count, script.title))
                    print(script.name)
                    print(script.keywords)
                    print()
                    count += 1
            return

        engine = choose_engine(args.__dict__)

        if hasattr(args, 'debug') and args.debug:
            debug = True
        else:
            debug = False
            sys.tracebacklimit = 0

        if hasattr(args, 'debug') and args.not_cached:
            engine.use_cache = False
        else:
            engine.use_cache = True

        if args.dataset is not None:
            scripts = name_matches(script_list, args.dataset)
        else:
            raise Exception("no dataset specified.")
        if scripts:
            for dataset in scripts:
                print("=> Installing", dataset.name)
                try:
                    dataset.download(engine, debug=debug)
                    dataset.engine.final_cleanup()
                except KeyboardInterrupt:
                    pass
                except Exception as e:
                    print(e)
                    if debug:
                        raise
            print("Done!")
        else:
            print("The dataset {} isn't currently available in the Retriever".format(
                args.dataset))
            print("Run 'retriever ls to see a list of currently available datasets")
示例#6
0
def main():
    """This function launches the Data Retriever."""
    if len(sys.argv) == 1:
        # if no command line args are passed, show the help options
        parser.parse_args(['-h'])

    else:
        # otherwise, parse them

        script_list = SCRIPT_LIST()

        args = parser.parse_args()

        if args.command == "install" and not args.engine:
            parser.parse_args(['install','-h'])

        if args.quiet:
            sys.stdout = open(os.devnull, 'w')

        if args.command == 'help':
            parser.parse_args(['-h'])

        if hasattr(args, 'compile') and args.compile:
            script_list = SCRIPT_LIST(force_compile=True)

        if args.command == 'defaults':
            for engine_item in engine_list:
                print("Default options for engine ", engine_item.name)
                for default_opts in engine_item.required_opts:
                    print(default_opts[0], " ", default_opts[2])
                print()
            return

        if args.command == 'update':
            check_for_updates()
            script_list = SCRIPT_LIST()
            return

        elif args.command == 'citation':
            if args.dataset is None:
                print("\nCitation for retriever:\n")
                print(CITATION)
            else:
                scripts = name_matches(script_list, args.dataset)
                for dataset in scripts:
                    print("\nDataset:  {}".format(dataset.name))
                    print("Citation:   {}".format(dataset.citation))
                    print("Description:   {}\n".format(dataset.description))

            return

        elif args.command == 'new':
            f = open(args.filename, 'w')
            f.write(sample_script)
            f.close()

            return

        elif args.command == 'reset':
            reset_retriever(args.scope)
            return

        elif args.command == 'new_json':
            # create new JSON script
            create_json()
            return

        elif args.command == 'edit_json':
            # edit existing JSON script
            for json_file in [filename for filename in
                              os.listdir(os.path.join(HOME_DIR, 'scripts')) if filename[-5:] == '.json']:
                if json_file.lower().find(args.filename.lower()) != -1:
                    edit_json(json_file)
                    return
            raise Exception("File not found")

        elif args.command == 'delete_json':
            # delete existing JSON script
            for json_file in [filename for filename in
                              os.listdir(os.path.join(HOME_DIR, 'scripts')) if filename[-5:] == '.json']:
                if json_file.lower().find(args.dataset.lower()) != -1:
                    confirm = input("Really remove " + json_file +
                                    " and all its contents? (y/N): ")
                    if confirm.lower().strip() in ['y', 'yes']:
                        # raise Exception(json_file)
                        os.remove(os.path.join(HOME_DIR, 'scripts', json_file))
                        try:
                            os.remove(os.path.join(
                                HOME_DIR, 'scripts', json_file[:-4] + 'py'))
                        except:
                            # Not compiled yet
                            pass
                    return
            raise Exception("File not found")

        if args.command == 'ls':
            # If scripts have never been downloaded there is nothing to list
            if not script_list:
                print("No scripts are currently available. Updating scripts now...")
                check_for_updates()
                print("\n\nScripts downloaded.\n")
                script_list = SCRIPT_LIST()

            all_scripts = []

            for script in script_list:
                if script.shortname:
                    if args.l is not None:
                        script_name = script.name + "\nShortname: " + script.shortname + "\n"
                        if script.tags:
                            script_name += "Tags: " + \
                                str([tag for tag in script.tags]) + "\n"
                        not_found = 0
                        for term in args.l:
                            if script_name.lower().find(term.lower()) == -1:
                                not_found = 1
                                break
                        if not_found == 0:
                            all_scripts.append(script_name)
                    else:
                        script_name = script.shortname
                        all_scripts.append(script_name)

            all_scripts = sorted(all_scripts, key=lambda s: s.lower())

            print("Available datasets : {}\n".format(len(all_scripts)))

            if args.l is None:
                from retriever import lscolumns
                lscolumns.printls(sorted(all_scripts, key=lambda s: s.lower()))
            else:
                count = 1
                for script in all_scripts:
                    print("%d. %s" % (count, script))
                    count += 1
            return

        engine = choose_engine(args.__dict__)

        if hasattr(args, 'debug') and args.debug:
            debug = True
        else:
            debug = False
            sys.tracebacklimit = 0

        if hasattr(args, 'debug') and args.not_cached:
            use_cache = False
        else:
            use_cache = True

        if args.dataset is not None:
            scripts = name_matches(script_list, args.dataset)
        else:
            raise Exception("no dataset specified.")
        if scripts:
            for dataset in scripts:
                print("=> Installing", dataset.name)
                try:
                    dataset.download(engine, debug=debug, use_cache=use_cache)
                    dataset.engine.final_cleanup()
                except KeyboardInterrupt:
                    pass
                except Exception as e:
                    print(e)
                    if debug:
                        raise
            print("Done!")
        else:
            print("The dataset {} isn't currently available in the Retriever".format(
                args.dataset))
            print("Run 'retriever ls to see a list of currently available datasets")
示例#7
0
def main():
    """This function launches the Data Retriever."""
    if len(sys.argv) == 1:
        # if no command line args are passed, show the help options
        parser.parse_args(['-h'])

    else:
        # otherwise, parse them

        script_list = SCRIPT_LIST()

        args = parser.parse_args()

        if args.quiet:
            sys.stdout = open(os.devnull, 'w')

        if args.command == 'help':
            parser.parse_args(['-h'])

        if hasattr(args, 'compile') and args.compile:
            script_list = SCRIPT_LIST(force_compile=True)

        if args.command == 'update':
            check_for_updates()
            script_list = SCRIPT_LIST()
            return

        elif args.command == 'citation':
            if args.dataset is None:
                citation_path = os.path.join(os.path.split(__file__)[0], '../CITATION')
                print("\nCitation for retriever:\n")
                with open(citation_path) as citation_file:
                    print(citation_file.read())
            else:
                scripts = name_matches(script_list, args.dataset)
                for dataset in scripts:
                    print("\nDataset:  {}".format(dataset.name))
                    print("Citation:   {}".format(dataset.citation))
                    print("Description:   {}\n".format(dataset.description))

            return

        elif args.command == 'new':
            f = open(args.filename, 'w')
            f.write(sample_script)
            f.close()

            return

        elif args.command == 'reset':
            reset_retriever(args.scope)
            return

        elif args.command == 'new_json':
            # create new JSON script
            create_json()
            return

        elif args.command == 'edit_json':
            # edit existing JSON script
            for json_file in [filename for filename in
                              os.listdir(os.path.join(HOME_DIR, 'scripts')) if filename[-5:] == '.json']:
                if json_file.lower().find(args.filename.lower()) != -1:
                    edit_json(json_file)
                    return
            raise Exception("File not found")

        elif args.command == 'delete_json':
            # delete existing JSON script
            for json_file in [filename for filename in
                              os.listdir(os.path.join(HOME_DIR, 'scripts')) if filename[-5:] == '.json']:
                if json_file.lower().find(args.dataset.lower()) != -1:
                    confirm = input("Really remove " + json_file +
                                    " and all its contents? (y/N): ")
                    if confirm.lower().strip() in ['y', 'yes']:
                        # raise Exception(json_file)
                        os.remove(os.path.join(HOME_DIR, 'scripts', json_file))
                        try:
                            os.remove(os.path.join(
                                HOME_DIR, 'scripts', json_file[:-4] + 'py'))
                        except:
                            # Not compiled yet
                            pass
                    return
            raise Exception("File not found")

        if args.command == 'ls':
            # If scripts have never been downloaded there is nothing to list
            if not script_list:
                print("No scripts are currently available. Updating scripts now...")
                check_for_updates()
                print("\n\nScripts downloaded.\n")
                script_list = SCRIPT_LIST()

            all_scripts = []

            for script in script_list:
                if script.shortname:
                    if args.l is not None:
                        script_name = script.name + "\nShortname: " + script.shortname + "\n"
                        if script.tags:
                            script_name += "Tags: " + \
                                str([tag for tag in script.tags]) + "\n"
                        not_found = 0
                        for term in args.l:
                            if script_name.lower().find(term.lower()) == -1:
                                not_found = 1
                                break
                        if not_found == 0:
                            all_scripts.append(script_name)
                    else:
                        script_name = script.shortname
                        all_scripts.append(script_name)

            all_scripts = sorted(all_scripts, key=lambda s: s.lower())

            print("Available datasets : {}\n".format(len(all_scripts)))

            if args.l is None:
                from retriever import lscolumns
                lscolumns.printls(sorted(all_scripts, key=lambda s: s.lower()))
            else:
                count = 1
                for script in all_scripts:
                    print("%d. %s" % (count, script))
                    count += 1
            return

        engine = choose_engine(args.__dict__)

        if hasattr(args, 'debug') and args.debug:
            debug = True
        else:
            debug = False
            sys.tracebacklimit = 0

        if args.dataset is not None:
            scripts = name_matches(script_list, args.dataset)
        else:
            raise Exception("no dataset specified.")
        if scripts:
            for dataset in scripts:
                print("=> Installing", dataset.name)
                try:
                    dataset.download(engine, debug=debug)
                    dataset.engine.final_cleanup()
                except KeyboardInterrupt:
                    pass
                except Exception as e:
                    print(e)
                    if debug:
                        raise
            print("Done!")
        else:
            print("The dataset {} isn't currently available in the Retriever".format(
                args.dataset))
            print("Run 'retriever ls to see a list of currently available datasets")
示例#8
0
def main():
    """This function launches the EcoData Retriever."""
    if len(sys.argv) == 1 or (len(sys.argv) > 1 and sys.argv[1] == 'gui'):
        # if no command line args are passed, launch GUI

        check_for_updates(graphical=False if current_platform == 'darwin' else True)
        lists = get_lists()

        from retriever.app.main import launch_app
        launch_app(lists)

    else:
        # otherwise, parse them

        script_list = SCRIPT_LIST()

        args = parser.parse_args()
        if args.quiet:
            sys.stdout = open(os.devnull, 'w')

        if args.command == 'help':
            parser.parse_args(['-h'])

        if hasattr(args, 'compile') and args.compile:
            script_list = SCRIPT_LIST(force_compile=True)

        if args.command == 'update':
            check_for_updates(graphical=False)
            script_list = SCRIPT_LIST()
            return

        elif args.command == 'citation':
            if args.dataset is None:
                citation_path = os.path.join(os.path.split(__file__)[0], '../CITATION')
                print "\nCitation for retriever:\n"
                with open(citation_path) as citation_file:
                    print citation_file.read()
            else:
                scripts = name_matches(script_list, args.dataset)
                for dataset in scripts:

                    print ("\nCitation:   {}".format(dataset.citation))
                    print ("Description:   {}\n".format(dataset.description))

            return

        elif args.command == 'gui':
            lists = get_lists()

            from retriever.app.main import launch_app
            launch_app(lists)
            return

        elif args.command == 'new':
            f = open(args.filename, 'w')
            f.write(sample_script)
            f.close()

            return

        elif args.command == 'reset':
            reset_retriever(args.scope)
            return

        if args.command == 'ls' or args.dataset is None:

            # If scripts have never been downloaded there is nothing to list
            if not script_list:
                print "No scripts are currently available. Updating scripts now..."
                check_for_updates(graphical=False)
                print "\n\nScripts downloaded.\n"
                script_list = SCRIPT_LIST()

            all_scripts = []

            for script in script_list:
                if script.name:
                    if args.l!=None:
                        script_name = script.name + "\nShortname: " + script.shortname+"\n"
                        if script.tags:
                            script_name += "Tags: "+str([tag for tag in script.tags])+"\n"
                        not_found = 0
                        for term in args.l:
                            if script_name.lower().find(term.lower()) == -1:
                                not_found = 1
                                break
                        if not_found == 0:
                            all_scripts.append(script_name)
                    else:
                        script_name = script.shortname
                        all_scripts.append(script_name)

            all_scripts = sorted(all_scripts, key=lambda s: s.lower())

            print "Available datasets : {}\n".format(len(all_scripts))

            if args.l==None:
                import lscolumns
                lscolumns.printls(sorted(all_scripts, key=lambda s: s.lower()))
            else:
                count = 1
                for script in all_scripts:
                    print ("%d. %s"%(count, script))
                    count += 1
            return

        engine = choose_engine(args.__dict__)

        if hasattr(args, 'debug') and args.debug:
            debug = True
        else:
            debug = False

        scripts = name_matches(script_list, args.dataset)
        if scripts:
            for dataset in scripts:
                print "=> Installing", dataset.name
                try:
                    dataset.download(engine, debug=debug)
                    dataset.engine.final_cleanup()
                except KeyboardInterrupt:
                    pass
                except Exception as e:
                    print e
                    if debug: raise
            print "Done!"
        else:
            print "The dataset {} isn't currently available in the Retriever".format(args.dataset)
            print "Run 'retriever ls to see a list of currently available datasets"
示例#9
0
def main():
    """This function launches the Data Retriever."""
    sys.argv[1:] = [arg.lower() for arg in sys.argv[1:]]
    if len(sys.argv) == 1:
        # if no command line args are passed, show the help options
        parser.parse_args(['-h'])

    else:
        # otherwise, parse them

        if not os.path.isdir(SCRIPT_SEARCH_PATHS[1]) and not \
                [f for f in os.listdir(SCRIPT_SEARCH_PATHS[-1])
                 if os.path.exists(SCRIPT_SEARCH_PATHS[-1])]:
            check_for_updates()
        script_list = SCRIPT_LIST()

        args = parser.parse_args()

        if args.command == "install" and not args.engine:
            parser.parse_args(['install', '-h'])

        if args.quiet:
            sys.stdout = open(os.devnull, 'w')

        if args.command == 'help':
            parser.parse_args(['-h'])

        if hasattr(args, 'compile') and args.compile:
            script_list = SCRIPT_LIST(force_compile=True)

        if args.command == 'defaults':
            for engine_item in engine_list:
                print("Default options for engine ", engine_item.name)
                for default_opts in engine_item.required_opts:
                    print(default_opts[0], " ", default_opts[2])
                print()
            return

        if args.command == 'update':
            check_for_updates(False)
            script_list = SCRIPT_LIST()
            return

        elif args.command == 'citation':
            if args.dataset is None:
                print("\nCitation for retriever:\n")
                print(CITATION)
            else:
                scripts = name_matches(script_list, args.dataset)
                for dataset in scripts:
                    print("\nDataset:  {}".format(dataset.name))
                    print("Citation:   {}".format(dataset.citation))
                    print("Description:   {}\n".format(dataset.description))

            return

        elif args.command == 'license':
            dataset_license = license(args.dataset)
            if dataset_license:
                print(dataset_license)
            else:
                print("There is no license information for {}".format(args.dataset))
            return

        elif args.command == 'new':
            f = open(args.filename, 'w')
            f.write(sample_script)
            f.close()

            return

        elif args.command == 'reset':
            reset_retriever(args.scope)
            return

        elif args.command == 'new_json':
            # create new JSON script
            create_json()
            return

        elif args.command == 'edit_json':
            # edit existing JSON script
            json_file = get_script_filename(args.dataset.lower())
            edit_json(json_file)
            return

        elif args.command == 'delete_json':
            # delete existing JSON script from home directory and or script directory if exists in current dir
            confirm = input("Really remove " + args.dataset.lower() +
                            " and all its contents? (y/N): ")
            if confirm.lower().strip() in ['y', 'yes']:
                json_file = get_script_filename(args.dataset.lower())
                delete_json(json_file)
            return

        if args.command == 'ls':
            # If scripts have never been downloaded there is nothing to list
            if not script_list:
                print("No scripts are currently available. Updating scripts now...")
                check_for_updates(False)
                print("\n\nScripts downloaded.\n")

            if args.l is None:
                all_scripts = datasets()
                print("Available datasets : {}\n".format(len(all_scripts)))
                from retriever import lscolumns
                lscolumns.printls(dataset_names())
            else:
                all_scripts = datasets(args.l[0])
                print("Available datasets : {}\n".format(len(all_scripts)))
                count = 1
                for script in all_scripts:
                    print("{}. {}".format(count, script.title))
                    print(script.name)
                    print(script.keywords)
                    print()
                    count += 1
            return

        engine = choose_engine(args.__dict__)

        if hasattr(args, 'debug') and args.debug:
            debug = True
        else:
            debug = False
            sys.tracebacklimit = 0

        if hasattr(args, 'debug') and args.not_cached:
            engine.use_cache = False
        else:
            engine.use_cache = True

        if args.dataset is not None:
            scripts = name_matches(script_list, args.dataset)
        else:
            raise Exception("no dataset specified.")
        if scripts:
            for dataset in scripts:
                print("=> Installing", dataset.name)
                try:
                    dataset.download(engine, debug=debug)
                    dataset.engine.final_cleanup()
                except KeyboardInterrupt:
                    pass
                except Exception as e:
                    print(e)
                    if debug:
                        raise
            print("Done!")
        else:
            print("The dataset {} isn't currently available in the Retriever".format(
                args.dataset))
            print("Run 'retriever ls to see a list of currently available datasets")