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How to use fzf method in refurb

Best Python code snippet using refurb_python

fuzzy.py

Source:fuzzy.py

...204                fzf_path205            )206        )207        sys.exit(1)208    def get_fzf():209        return find_executable("fzf", os.path.join(fzf_path, "bin"))210    if os.path.isdir(fzf_path):211        if update:212            ret = run_cmd(["git", "pull"], cwd=fzf_path)213            if ret:214                print("Update fzf failed.")215                sys.exit(1)216            run_fzf_install_script(fzf_path)217            return get_fzf()218        fzf_bin = get_fzf()219        if not fzf_bin or should_force_fzf_update(fzf_bin):220            return fzf_bootstrap(update=True)221        return fzf_bin222    if not update:223        install = input("Could not detect fzf, install it now? [y/n]: ")224        if install.lower() != "y":225            return226    if not find_executable("git"):227        print("Git not found.")228        print(FZF_INSTALL_FAILED)229        sys.exit(1)230    cmd = ["git", "clone", "--depth", "1", "https://github.com/junegunn/fzf.git"]231    if subprocess.call(cmd, cwd=os.path.dirname(fzf_path)):232        print(FZF_INSTALL_FAILED)233        sys.exit(1)234    run_fzf_install_script(fzf_path)235    print("Installed fzf to {}".format(fzf_path))236    return get_fzf()237def format_header():238    shortcuts = []239    for action, key in fzf_header_shortcuts:240        shortcuts.append(241            "{t.white}{action}{t.normal}: {t.yellow}<{key}>{t.normal}".format(242                t=terminal, action=action, key=key243            )244        )245    return FZF_HEADER.format(shortcuts=", ".join(shortcuts), t=terminal)246def run_fzf(cmd, tasks):247    env = dict(os.environ)248    env.update(249        {"PYTHONPATH": os.pathsep.join([p for p in sys.path if "requests" in p])}250    )251    proc = subprocess.Popen(252        cmd,253        stdout=subprocess.PIPE,254        stdin=subprocess.PIPE,255        env=ensure_subprocess_env(env),256        universal_newlines=True,257    )258    out = proc.communicate("\n".join(tasks))[0].splitlines()259    selected = []260    query = None261    if out:262        query = out[0]263        selected = out[1:]264    return query, selected265def run(266    update=False,267    query=None,268    intersect_query=None,269    try_config=None,270    full=False,271    parameters=None,272    save_query=False,273    push=True,274    message="{msg}",275    test_paths=None,276    exact=False,277    closed_tree=False,278    show_estimates=False,279    disable_target_task_filter=False,280):281    fzf = fzf_bootstrap(update)282    if not fzf:283        print(FZF_NOT_FOUND)284        return 1285    check_working_directory(push)286    tg = generate_tasks(287        parameters, full=full, disable_target_task_filter=disable_target_task_filter288    )289    all_tasks = sorted(tg.tasks.keys())290    # graph_Cache created by generate_tasks, recreate the path to that file.291    cache_dir = os.path.join(get_state_dir(srcdir=True), "cache", "taskgraph")292    if full:293        graph_cache = os.path.join(cache_dir, "full_task_graph")294        dep_cache = os.path.join(cache_dir, "full_task_dependencies")295        target_set = os.path.join(cache_dir, "full_task_set")296    else:297        graph_cache = os.path.join(cache_dir, "target_task_graph")298        dep_cache = os.path.join(cache_dir, "target_task_dependencies")299        target_set = os.path.join(cache_dir, "target_task_set")300    if show_estimates:301        download_task_history_data(cache_dir=cache_dir)302        make_trimmed_taskgraph_cache(graph_cache, dep_cache, target_file=target_set)303    if not full and not disable_target_task_filter:304        # Put all_tasks into a list because it's used multiple times, and "filter()"305        # returns a consumable iterator.306        all_tasks = list(filter(filter_by_uncommon_try_tasks, all_tasks))307    if test_paths:308        all_tasks = filter_tasks_by_paths(all_tasks, test_paths)309        if not all_tasks:310            return 1311    key_shortcuts = [k + ":" + v for k, v in six.iteritems(fzf_shortcuts)]312    base_cmd = [313        fzf,314        "-m",315        "--bind",316        ",".join(key_shortcuts),317        "--header",318        format_header(),319        "--preview-window=right:30%",320        "--print-query",321    ]322    if show_estimates:323        base_cmd.extend(324            [325                "--preview",326                '{} {} -g {} -s -c {} -t "{{+f}}"'.format(327                    sys.executable, PREVIEW_SCRIPT, dep_cache, cache_dir328                ),329            ]330        )331    else:332        base_cmd.extend(333            [334                "--preview",335                '{} {} -t "{{+f}}"'.format(sys.executable, PREVIEW_SCRIPT),336            ]337        )338    if exact:339        base_cmd.append("--exact")340    selected = set()341    queries = []342    def get_tasks(query_arg=None, candidate_tasks=all_tasks):343        cmd = base_cmd[:]344        if query_arg and query_arg != "INTERACTIVE":345            cmd.extend(["-f", query_arg])346        query_str, tasks = run_fzf(cmd, sorted(candidate_tasks))347        queries.append(query_str)348        return set(tasks)349    for q in query or []:350        selected |= get_tasks(q)351    for q in intersect_query or []:352        if not selected:353            tasks = get_tasks(q)354            selected |= tasks355        else:356            tasks = get_tasks(q, selected)357            selected &= tasks358    if not queries:359        selected = get_tasks()360    if not selected:...

commands.py

Source:commands.py

1# This is a sample commands.py.  You can add your own commands here.2#3# Please refer to commands_full.py for all the default commands and a complete4# documentation.  Do NOT add them all here, or you may end up with defunct5# commands when upgrading ranger.6# A simple command for demonstration purposes follows.7# -----------------------------------------------------------------------------8from __future__ import (absolute_import, division, print_function)9# You can import any python module as needed.10import os11# You always need to import ranger.api.commands here to get the Command class:12from ranger.api.commands import Command13from collections import deque14class fzf_select(Command):15    """16    :fzf_select17    Find a file using fzf.18    With a prefix argument to select only directories.19    See: https://github.com/junegunn/fzf20    """21    def execute(self):22        import subprocess23        from ranger.ext.get_executables import get_executables24        if 'fzf' not in get_executables():25            self.fm.notify('Could not find fzf in the PATH.', bad=True)26            return27        fd = None28        if 'fdfind' in get_executables():29            fd = 'fdfind'30        elif 'fd' in get_executables():31            fd = 'fd'32        if fd is not None:33            hidden = ('--hidden' if self.fm.settings.show_hidden else '')34            exclude = "--no-ignore-vcs --exclude '.git' --exclude '*.py[co]' --exclude '__pycache__'"35            only_directories = ('--type directory' if self.quantifier else '')36            fzf_default_command = '{} --follow {} {} {} --color=always'.format(37                fd, hidden, exclude, only_directories38            )39        else:40            hidden = ('-false' if self.fm.settings.show_hidden else r"-path '*/\.*' -prune")41            exclude = r"\( -name '\.git' -o -iname '\.*py[co]' -o -fstype 'dev' -o -fstype 'proc' \) -prune"42            only_directories = ('-type d' if self.quantifier else '')43            fzf_default_command = 'find -L . -mindepth 1 {} -o {} -o {} -print | cut -b3-'.format(44                hidden, exclude, only_directories45            )46        env = os.environ.copy()47        env['FZF_DEFAULT_COMMAND'] = fzf_default_command48        env['FZF_DEFAULT_OPTS'] = '--height=40% --layout=reverse --ansi --preview="{}"'.format('''49            (50                batcat --color=always {} ||51                bat --color=always {} ||52                cat {} ||53                tree -ahpCL 3 -I '.git' -I '*.py[co]' -I '__pycache__' {}54            ) 2>/dev/null | head -n 10055        ''')56        fzf = self.fm.execute_command('fzf --no-multi', env=env,57                                      universal_newlines=True, stdout=subprocess.PIPE)58        stdout, _ = fzf.communicate()59        if fzf.returncode == 0:60            selected = os.path.abspath(stdout.strip())61            if os.path.isdir(selected):62                self.fm.cd(selected)63            else:64                self.fm.select_file(selected)65class fzf_locate(Command):66    """67    :fzf_locate68    Find a file using fzf.69    With a prefix argument select only directories.70    See: https://github.com/junegunn/fzf71    """72    def execute(self):73        import subprocess74        if self.quantifier:75            command="locate home media | fzf -e -i"76        else:77            command="locate home media | fzf -e -i"78        fzf = self.fm.execute_command(command, stdout=subprocess.PIPE)79        stdout, stderr = fzf.communicate()80        if fzf.returncode == 0:81            fzf_file = os.path.abspath(stdout.decode('utf-8').rstrip('\n'))82            if os.path.isdir(fzf_file):83                self.fm.cd(fzf_file)84            else:85                self.fm.select_file(fzf_file)86class fd_search(Command):87    """88    :fd_search [-d<depth>] <query>89    Executes "fd -d<depth> <query>" in the current directory and focuses the90    first match. <depth> defaults to 1, i.e. only the contents of the current91    directory.92    See https://github.com/sharkdp/fd93    """94    SEARCH_RESULTS = deque()95    def execute(self):96        import re97        import subprocess98        from ranger.ext.get_executables import get_executables99        self.SEARCH_RESULTS.clear()100        if 'fdfind' in get_executables():101            fd = 'fdfind'102        elif 'fd' in get_executables():103            fd = 'fd'104        else:105            self.fm.notify("Couldn't find fd in the PATH.", bad=True)106            return107        if self.arg(1):108            if self.arg(1)[:2] == '-d':109                depth = self.arg(1)110                target = self.rest(2)111            else:112                depth = '-d1'113                target = self.rest(1)114        else:115            self.fm.notify(":fd_search needs a query.", bad=True)116            return117        hidden = ('--hidden' if self.fm.settings.show_hidden else '')118        exclude = "--no-ignore-vcs --exclude '.git' --exclude '*.py[co]' --exclude '__pycache__'"119        command = '{} --follow {} {} {} --print0 {}'.format(120            fd, depth, hidden, exclude, target121        )122        fd = self.fm.execute_command(command, universal_newlines=True, stdout=subprocess.PIPE)123        stdout, _ = fd.communicate()124        if fd.returncode == 0:125            results = filter(None, stdout.split('\0'))126            if not self.fm.settings.show_hidden and self.fm.settings.hidden_filter:127                hidden_filter = re.compile(self.fm.settings.hidden_filter)128                results = filter(lambda res: not hidden_filter.search(os.path.basename(res)), results)129            results = map(lambda res: os.path.abspath(os.path.join(self.fm.thisdir.path, res)), results)130            self.SEARCH_RESULTS.extend(sorted(results, key=str.lower))131            if len(self.SEARCH_RESULTS) > 0:132                self.fm.notify('Found {} result{}.'.format(len(self.SEARCH_RESULTS),133                                                           ('s' if len(self.SEARCH_RESULTS) > 1 else '')))134                self.fm.select_file(self.SEARCH_RESULTS[0])135            else:136                self.fm.notify('No results found.')137class fd_next(Command):138    """139    :fd_next140    Selects the next match from the last :fd_search.141    """142    def execute(self):143        if len(fd_search.SEARCH_RESULTS) > 1:144            fd_search.SEARCH_RESULTS.rotate(-1)  # rotate left145            self.fm.select_file(fd_search.SEARCH_RESULTS[0])146        elif len(fd_search.SEARCH_RESULTS) == 1:147            self.fm.select_file(fd_search.SEARCH_RESULTS[0])148class fd_prev(Command):149    """150    :fd_prev151    Selects the next match from the last :fd_search.152    """153    def execute(self):154        if len(fd_search.SEARCH_RESULTS) > 1:155            fd_search.SEARCH_RESULTS.rotate(1)  # rotate right156            self.fm.select_file(fd_search.SEARCH_RESULTS[0])157        elif len(fd_search.SEARCH_RESULTS) == 1:158            self.fm.select_file(fd_search.SEARCH_RESULTS[0])159class fzf_rga_documents_search(Command):160    """161    :fzf_rga_search_documents162    Search in PDFs, E-Books and Office documents in current directory.163    Allowed extensions: .epub, .odt, .docx, .fb2, .ipynb, .pdf.164    Usage: fzf_rga_search_documents <search string>165    """166    def execute(self):167        if self.arg(1):168            search_string = self.rest(1)169        else:170            self.fm.notify("Usage: fzf_rga_search_documents <search string>", bad=True)171            return172        import subprocess173        import os.path174        from ranger.container.file import File175        command="rga '%s' . --rga-adapters=pandoc,poppler | fzf +m | awk -F':' '{print $1}'" % search_string176        fzf = self.fm.execute_command(command, universal_newlines=True, stdout=subprocess.PIPE)177        stdout, stderr = fzf.communicate()178        if fzf.returncode == 0:179            fzf_file = os.path.abspath(stdout.rstrip('\n'))180            self.fm.execute_file(File(fzf_file))181class show_files_in_finder(Command):182    """183    :show_files_in_finder184    Present selected files in finder185    """186    def execute(self):187        import subprocess188        files = ",".join(['"{0}" as POSIX file'.format(file.path) for file in self.fm.thistab.get_selection()])189        reveal_script = "tell application \"Finder\" to reveal {{{0}}}".format(files)190        activate_script = "tell application \"Finder\" to set frontmost to true"191        script = "osascript -e '{0}' -e '{1}'".format(reveal_script, activate_script)192        self.fm.notify(script)...

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