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Slight stylistic edits to ranger_zlua.py

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This commit is contained in:
Ilya Grigoriev
2022-08-13 17:26:30 -07:00
parent e11d2e2017
commit f347eaf1c8
1 changed files with 16 additions and 15 deletions
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31
ranger_zlua.py
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@@ -2,44 +2,45 @@ import time, sys, os
import ranger.api
import subprocess
old_hook_init = ranger.api.hook_init
# $RANGER_LUA and $RANGER_ZLUA variables are deprecated, do not use them.
PATH_LUA = os.environ.get('RANGER_LUA') or os.environ.get('ZLUA_LUAEXE')
PATH_ZLUA = os.environ.get('RANGER_ZLUA') or os.environ.get('ZLUA_SCRIPT')
ZLUA_LUAEXE = os.environ.get('RANGER_LUA') or os.environ.get('ZLUA_LUAEXE')
ZLUA_SCRIPT = os.environ.get('RANGER_ZLUA') or os.environ.get('ZLUA_SCRIPT')
if not PATH_LUA:
if not ZLUA_LUAEXE:
for path in os.environ.get('PATH', '').split(os.path.pathsep):
for name in ('lua', 'luajit', 'lua5.3', 'lua5.2', 'lua5.1'):
test = os.path.join(path, name)
test = test + (sys.platform[:3] == 'win' and ".exe" or "")
if os.path.exists(test):
PATH_LUA = test
ZLUA_LUAEXE = test
break
def _report_error(msg):
sys.stderr.write('ranger_zlua: ' + msg)
raise RuntimeError(msg)
if not PATH_LUA:
if not ZLUA_LUAEXE:
_report_error('Please install lua in $PATH or make sure $ZLUA_LUAEXE points to a lua executable.\n')
if (not PATH_ZLUA) or (not os.path.exists(PATH_ZLUA)):
if (not ZLUA_SCRIPT) or (not os.path.exists(ZLUA_SCRIPT)):
_report_error('Could not find z.lua, please make sure $ZLUA_SCRIPT is set to absolute path of z.lua.\n')
# Inform z.lua about directories the user browses to inside ranger
old_hook_init = ranger.api.hook_init
def hook_init(fm):
def update_zlua(signal):
import os, random
os.environ['_ZL_RANDOM'] = str(random.randint(0, 0x7fffffff))
p = subprocess.Popen([PATH_LUA, PATH_ZLUA, "--add", signal.new.path])
p = subprocess.Popen([ZLUA_LUAEXE, ZLUA_SCRIPT, "--add", signal.new.path])
p.wait()
if PATH_ZLUA and PATH_LUA and os.path.exists(PATH_ZLUA):
if ZLUA_SCRIPT and ZLUA_LUAEXE and os.path.exists(ZLUA_SCRIPT):
fm.signal_bind('cd', update_zlua)
return old_hook_init(fm)
ranger.api.hook_init = hook_init
class z(ranger.api.commands.Command):
def execute (self):
import sys, os, time
@@ -55,13 +56,13 @@ class z(ranger.api.commands.Command):
elif arg[:1] != '-':
break
if mode:
cmd = '"%s" "%s" '%(PATH_LUA, PATH_ZLUA)
cmd = '"%s" "%s" '%(ZLUA_LUAEXE, ZLUA_SCRIPT)
if mode in ('-I', '-i', '--'):
cmd += ' --cd'
for arg in args:
cmd += ' "%s"'%arg
if mode in ('-e', '-x'):
path = subprocess.check_output([PATH_LUA, PATH_ZLUA, '--cd'] + args)
path = subprocess.check_output([ZLUA_LUAEXE, ZLUA_SCRIPT, '--cd'] + args)
path = path.decode("utf-8", "ignore")
path = path.rstrip('\n')
self.fm.notify(path)
@@ -79,7 +80,7 @@ class z(ranger.api.commands.Command):
if path and os.path.exists(path):
self.fm.cd(path)
else:
path = subprocess.check_output([PATH_LUA, PATH_ZLUA, '--cd'] + args)
path = subprocess.check_output([ZLUA_LUAEXE, ZLUA_SCRIPT, '--cd'] + args)
path = path.decode("utf-8", "ignore")
path = path.rstrip('\n')
if path and os.path.exists(path):