ext: added get_executables function

1 files changed, 47 insertions, 0 deletions

diff --git a/ranger/ext/get_executables.py b/ranger/ext/get_executables.py
new file mode 100644
index 00000000..37577573
--- /dev/null
+++ b/ranger/ext/get_executables.py
@@ -0,0 +1,47 @@
+# Copyright (c) 2009, 2010 hut <hut@lavabit.com>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import stat
+import os
+from os.path import isfile, join, exists
+from ranger.ext.iter_tools import unique
+
+def get_executables(*paths):
+	"""
+	Return all executable files in each of the given directories.
+
+	Looks in $PATH by default.
+	"""
+	if not paths:
+		try:
+			pathstring = os.environ['PATH']
+		except KeyError:
+			return ()
+		paths = unique(pathstring.split(':'))
+
+	executables = set()
+	for path in paths:
+		try:
+			content = os.listdir(path)
+		except:
+			continue
+		for item in content:
+			abspath = join(path, item)
+			try:
+				filestat = os.stat(abspath)
+			except:
+				continue
+			if filestat.st_mode & (stat.S_IXOTH | stat.S_IFREG):
+				executables.add(item)
+	return executables