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chezmoi/home/dot_config/ranger/plugins/ranger_tmsu/tmsu.py
2024-03-09 13:00:53 +01:00

113 lines
3.8 KiB
Python

#!/usr/bin/python3
#
# Copyright 2017 Hasan Yavuz Ozderya
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import sys, os, enum
import subprocess as sp
class Tmsu:
def __init__(self, tmsu):
self.tmsu = tmsu
def info(self):
try:
r = self._cmd('info')
except sp.CalledProcessError as e:
if e.returncode == 1: # database doesn't exist
return None
lines = r.splitlines()
def psplit(l): return map(lambda x: x.strip(), l.split(':'))
d = dict(map(psplit, lines))
return {'root': d['Root path'],
'size': d['Size'],
'database':d['Database']}
def tags(self, fileName=None):
"""Returns a list of tags. If fileName is provided, list item is a tuple of
(tagname, value) pair."""
if fileName:
# Note: tmsu behaves differently for 'tags' command when used
# interactively and called from scripts. That's why we add '-n'.
#r = self._cmd('tags -n "{}"'.format(fileName))
r = self._cmd('tags -1 -n never "{}"'.format(fileName))
tag_value = []
tag_value = r.splitlines()
#for tag in r.splitlines():
# tv = tag.split("=")
# if len(tv) > 1:
# tag_value.append((tv[0], tv[1]))
# else:
# tag_value.append((tv[0], ""))
return tag_value
else:
return self._cmd('tags').splitlines()
def tag(self, fileName, tagName, value=None):
try:
self._cmd('tag "{}" {}{}'.format(fileName, tagName,
"="+value if value else ""))
return True
except sp.CalledProcessError as e:
print("Failed to tag file.")
return False
def untag(self, fileName, tagName, value=None):
try:
self._cmd('untag "{}" {}{}'.format(fileName, tagName,
"="+value if value else ""))
return True
except sp.CalledProcessError as e:
print("Failed to untag file.")
return False
def rename(self, tagName, newName):
try:
self._cmd('rename {} {}'.format(tagName, newName))
return True
except sp.CalledProcessError as e:
print("Failed to rename tag.")
return False
def values(self, tagName=None):
try:
r = self._cmd('values {}'.format(tagName if tagName else ""))
return r.splitlines()
except sp.CalledProcessError as e:
print("Failed to get value list.")
return False
def delete(self, tagName):
try:
self._cmd('delete {}'.format(tagName))
return True
except sp.CalledProcessError as e:
print("Failed to delete tag: {}".format(tagName))
return False
def _cmd(self, cmd):
return sp.check_output('tmsu ' + cmd, shell=True, stderr=sp.DEVNULL).decode('utf-8')
@staticmethod
def findTmsu():
import shutil
tmsu = shutil.which("tmsu")
if tmsu:
return Tmsu(tmsu)
else:
return None