commands.py

from __future__ import (absolute_import, division, print_function)

from collections import deque
import os
import re

from ranger.api.commands import Command

# My custom command to view files in the order ranger
# is displaying them in sxiv.  Used in tandem with rifle_sxiv2.sh
# This was inspired from save_copy_buffer found in
# /usr/lib/python3/dist-packages/ranger/config/commands.py
class save_sorted_files_buffer(Command):
    """:save_sorted_files_buffer

    Save the sorted file buffer to datadir/copy_sorted_files
    """
    copy_sorted_filename = 'copy_sorted_files'

    def execute(self):
        import sys
        fname = None
        fname = self.fm.datapath(self.copy_sorted_filename)
        unwritable = IOError if sys.version_info[0] < 3 else OSError
        try:
            fobj = open(fname, 'w')
        except unwritable:
            return self.fm.notify("Cannot open %s" %
                                  (fname or self.copy_sorted_filename), bad=True)

        startfile=self.fm.thisfile.path
        listoffiles = self.fm.thisdir.files
        filenum=0
        for o in listoffiles:
            filenum += 1
            if str(o.path) == startfile:
                break

        fobj.write(str(filenum) + "\n")
        fobj.write("\n".join(fobj.path for fobj in listoffiles))
        fobj.close()
        return None