add ranger plugin for z.lua

ranger_zlua.py

@@ -0,0 +1,91 @@
+import time, sys, os
+import ranger.api
+import subprocess
+
+old_hook_init = ranger.api.hook_init
+
+PATH_LUA = os.environ.get('RANGER_LUA')
+PATH_ZLUA = os.environ.get('RANGER_ZLUA')
+
+if not PATH_LUA:
+    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
+                break
+
+if not PATH_LUA:
+    sys.stderr.write('Please install lua or set $RANGER_LUA.\n')
+    sys.exit()
+
+if (not PATH_ZLUA) or (not os.path.exists(PATH_ZLUA)):
+    sys.stderr.write('Not find z.lua, please set $RANGER_ZLUA to absolute path of z.lua.\n')
+    sys.exit()
+
+
+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.wait()
+    if PATH_ZLUA and PATH_LUA and os.path.exists(PATH_ZLUA):
+        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
+        args = self.args[1:]
+        if args:
+            mode = ''
+            for arg in args:
+                if arg in ('-l', '-e', '-x', '-h', '--help', '--'):
+                    mode = arg
+                    break
+                elif arg in ('-I', '-i'):
+                    mode = arg
+                elif arg[:1] != '-':
+                    break
+            if mode:
+                cmd = '"%s" "%s" '%(PATH_LUA, PATH_ZLUA)
+                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 = path.decode("utf-8", "ignore")
+                    path = path.rstrip('\n')
+                    self.fm.notify(path)
+                elif mode in ('-h', '-l', '--help'):
+                    p = self.fm.execute_command(cmd + '| less +G', universal_newlines=True)
+                    stdout, stderr = p.communicate()
+                elif mode == '--':
+                    p = self.fm.execute_command(cmd + ' 2>&1 | less +G', universal_newlines=True)
+                    stdout, stderr = p.communicate()
+                else:
+                    if mode == '-I':
+                        os.environ['_ZL_FZF_HEIGHT'] = '0'
+                        path = subprocess.check_output([PATH_LUA, PATH_ZLUA, '--cd'] + args)
+                        self.fm.execute_console('redraw_window')
+                    else:
+                        p = self.fm.execute_command(cmd, universal_newlines=True, stdout=subprocess.PIPE)
+                        stdout, stderr = p.communicate()
+                        path = stdout.rstrip('\n')
+                    if path and os.path.exists(path):
+                        self.fm.cd(path)
+            else:
+                path = subprocess.check_output([PATH_LUA, PATH_ZLUA, '--cd'] + args)
+                path = path.decode("utf-8", "ignore")
+                path = path.rstrip('\n')
+                if path and os.path.exists(path):
+                    self.fm.cd(path)
+                else:
+                    self.fm.notify('No matching found', bad = True)
+        return True
+