From 7204d908760258b347ab85f453266f1e07d93254 Mon Sep 17 00:00:00 2001
From: Thomas Boettcher <boettcher@rz.rwth-aachen.de>
Date: Mon, 14 Apr 2025 12:14:53 +0200
Subject: [PATCH] adding makelinks
---
makelinks.py | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 109 insertions(+)
create mode 100755 makelinks.py
diff --git a/makelinks.py b/makelinks.py
new file mode 100755
index 0000000..5ab6ed9
--- /dev/null
+++ b/makelinks.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# by Thomas Böttcher
+# boettcher@itc.rwth-aachen.de
+
+version="v0.2014.09"
+
+import os
+import sys
+import socket
+import re
+from optparse import OptionParser
+
+
+def readoptions():
+ parser = OptionParser(usage="usage: %prog [options]", version="%%prog %s" % version)
+ parser.add_option("-i", "--install", action="store_true", dest="work", default=False)
+ opts, args = parser.parse_args()
+ if len(args) > 0:
+ parser.print_help()
+ print
+ sys.exit(1)
+ return opts
+
+
+def filenamefilter(dirname):
+ # filter unlinkable files
+ # separate dirs and files
+ dirlist = os.listdir(dirname)
+ l = [f for f in dirlist if f not in [".git", ".gitignore", os.path.basename(__file__)]]
+ hostbased = [f.group(1) for f in map(lambda x: re.match("^(.+)--.+$", x), l) if f]
+ if hostbased:
+ regex = "^(%s)(--.+)?$" % "|".join(hostbased)
+ l = [f for f in l if not re.match(regex, f) or re.search("--%s$" % socket.gethostname(), f)]
+ d = [d for d in l if os.path.isdir(os.path.join(dirname, d))]
+ f = [f for f in l if os.path.isfile(os.path.join(dirname, f))]
+ return (d,f)
+
+
+def symlink(opts, src, dst):
+ linkname = os.path.join(dst, os.path.split(src)[1])
+
+ # cut hostname if exists
+ newlinkname = re.match("^(.*)--%s$" % socket.gethostname(), linkname)
+ if newlinkname: linkname = newlinkname.group(1)
+
+ # check and change path
+ if not os.path.exists(dst):
+ if opts.work: os.makedirs(dst)
+ pass
+ try:
+ os.chdir(dst)
+ except:
+ print "*** could not change dir to: %s" % dst
+ return
+
+ # check for existing file, dir or link
+ if os.path.islink(linkname):
+ if os.readlink(linkname) == src:
+ print "link ok: %s" % linkname
+ return
+ if opts.work:
+ try:
+ os.unlink(linkname)
+ print "unlinked: %s" % linkname
+ except:
+ print "*** could not unlink %s" % linkname
+ return
+ else:
+ print "will renew link: %s" % linkname
+ return
+
+ if os.path.exists(linkname):
+ if opts.work:
+ try:
+ os.rename(linkname, linkname + ".old")
+ print "moved: %s -> %s" % (linkname, linkname + ".old")
+ except:
+ print "*** could not rename: %s" % linkname
+ return
+ else:
+ print "will rename file/dir: %s" % linkname
+
+ if opts.work:
+ try:
+ os.symlink(src, linkname)
+ print "%s -> %s" % (linkname, src)
+ except:
+ print "*** could not symlink: %s -> %s" % (linkname, src)
+ return
+ else:
+ print "will symlink: %s -> %s" % (linkname, src)
+
+
+
+def walk(opts, src, dst):
+ dirs, files = filenamefilter(src)
+ if ".makedirlink" in files:
+ symlink(opts, src, os.path.split(dst)[0])
+ return
+ for d in dirs:
+ walk(opts, os.path.join(src, d), os.path.join(dst, d))
+ for f in files:
+ symlink(opts, os.path.join(src, f), dst)
+
+
+
+walk(readoptions(), os.path.dirname(os.path.realpath(__file__)), "/")
--
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