Add ranger commands file
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# This is a sample commands.py. You can add your own commands here.
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#
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# Please refer to commands_full.py for all the default commands and a complete
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# documentation. Do NOT add them all here, or you may end up with defunct
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# commands when upgrading ranger.
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# You always need to import ranger.api.commands here to get the Command class:
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from ranger.api.commands import *
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# A simple command for demonstration purposes follows.
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# -----------------------------------------------------------------------------
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# You can import any python module as needed.
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import os
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# Any class that is a subclass of "Command" will be integrated into ranger as a
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# command. Try typing ":my_edit<ENTER>" in ranger!
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class my_edit(Command):
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# The so-called doc-string of the class will be visible in the built-in
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# help that is accessible by typing "?c" inside ranger.
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""":my_edit <filename>
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A sample command for demonstration purposes that opens a file in an editor.
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"""
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# The execute method is called when you run this command in ranger.
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def execute(self):
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# self.arg(1) is the first (space-separated) argument to the function.
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# This way you can write ":my_edit somefilename<ENTER>".
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if self.arg(1):
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# self.rest(1) contains self.arg(1) and everything that follows
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target_filename = self.rest(1)
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else:
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# self.fm is a ranger.core.filemanager.FileManager object and gives
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# you access to internals of ranger.
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# self.fm.thisfile is a ranger.container.file.File object and is a
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# reference to the currently selected file.
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target_filename = self.fm.thisfile.path
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# This is a generic function to print text in ranger.
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self.fm.notify("Let's edit the file " + target_filename + "!")
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# Using bad=True in fm.notify allows you to print error messages:
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if not os.path.exists(target_filename):
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self.fm.notify("The given file does not exist!", bad=True)
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return
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# This executes a function from ranger.core.acitons, a module with a
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# variety of subroutines that can help you construct commands.
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# Check out the source, or run "pydoc ranger.core.actions" for a list.
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self.fm.edit_file(target_filename)
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# The tab method is called when you press tab, and should return a list of
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# suggestions that the user will tab through.
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# tabnum is 1 for <TAB> and -1 for <S-TAB> by default
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def tab(self, tabnum):
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# This is a generic tab-completion function that iterates through the
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# content of the current directory.
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return self._tab_directory_content()
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class mark_fzf(Command):
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"""
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`:fzf_mark` refer from `:fzf_select` (But Just in `Current directory and Not Recursion`)
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so just `find` is enough instead of `fdfind`)
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`:fzf_mark` can One/Multi/All Selected & Marked files of current dir that filterd by `fzf extended-search mode`
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fzf extended-search mode: https://github.com/junegunn/fzf#search-syntax
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eg: py 'py .py ^he py$ !py !^py
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In addition:
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there is a delay in using `get_executables` (So I didn't use it)
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so there is no compatible alias.
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but find is builtin command, so you just consider your `fzf` name
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Usage
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:fzf_mark
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shortcut in fzf_mark:
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<CTRL-a> : select all
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<CTRL-e> : deselect all
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<TAB> : multiple select
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<SHIFT+TAB> : reverse multiple select
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... : and some remap <Alt-key> for movement
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"""
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def execute(self):
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# from pathlib import Path # Py3.4+
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import os
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import subprocess
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fzf_name = "fzf"
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hidden = ('-false' if self.fm.settings.show_hidden else r"-path '*/\.*' -prune")
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exclude = r"\( -name '\.git' -o -iname '\.*py[co]' -o -fstype 'dev' -o -fstype 'proc' \) -prune"
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only_directories = ('-type d' if self.quantifier else '')
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fzf_default_command = 'find -L . -mindepth 1 -type d -prune {} -o {} -o {} -print | cut -b3-'.format(
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hidden, exclude, only_directories
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)
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env = os.environ.copy()
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env['FZF_DEFAULT_COMMAND'] = fzf_default_command
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# you can remap and config your fzf (and your can still use ctrl+n / ctrl+p ...) + preview
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env['FZF_DEFAULT_OPTS'] = '\
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--multi \
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--reverse \
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--bind ctrl-a:select-all,ctrl-e:deselect-all,alt-n:down,alt-p:up,alt-o:backward-delete-char,alt-h:beginning-of-line,alt-l:end-of-line,alt-j:backward-char,alt-k:forward-char,alt-b:backward-word,alt-f:forward-word \
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--height 95% \
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--layout reverse \
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--border \
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--preview "cat {} | head -n 100"'
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# if use bat instead of cat, you need install it
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# --preview "bat --style=numbers --color=always --line-range :500 {}"'
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fzf = self.fm.execute_command(fzf_name, env=env, universal_newlines=True, stdout=subprocess.PIPE)
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stdout, _ = fzf.communicate()
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if fzf.returncode == 0:
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filename_list = stdout.strip().split()
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for filename in filename_list:
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# Python3.4+
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# self.fm.select_file( str(Path(filename).resolve()) )
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self.fm.select_file( os.path.abspath(filename) )
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self.fm.mark_files(all=False,toggle=True)
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class mark_grep(Command):
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"""
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TODO: Write
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"""
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def execute(self):
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import os
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import subprocess
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env = os.environ.copy()
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command = 'grep {} {} | cut -f 1 -d :'.format(self.rest(1), "*")
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fzf = self.fm.execute_command(command, env=env, universal_newlines=True, stdout=subprocess.PIPE)
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stdout, _ = fzf.communicate()
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if fzf.returncode == 0:
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filename_list = stdout.strip().split()
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for filename in filename_list:
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self.fm.select_file(os.path.abspath(filename))
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self.fm.mark_files(all=False,toggle=True)
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