[sysadmin-bin] ftpadmin: Add makedirs_chown function

[Olav Vitters <ovitters src gnome org>]

commit 0813a2d4768d637cbf68d82d558cbc709dd6c24a
Author: Olav Vitters <olav vitters nl>
Date:   Fri Mar 18 19:28:02 2011 +0100

    ftpadmin: Add makedirs_chown function
    
    Same as the os.makedirs function, but it will also change the
    ownership of the newly created directories.

 ftpadmin |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/ftpadmin b/ftpadmin
index 69061d6..b7c4f47 100755
--- a/ftpadmin
+++ b/ftpadmin
@@ -108,6 +108,24 @@ def human_size(size):
 
     return fmt % (size/float(lim/2**10), suf)
 
+def makedirs_chown(name, mode=0777, uid=-1, gid=-1):
+    """Lake os.makedirs, but also does a chown
+    """
+    head, tail = os.path.split(name)
+    if not tail:
+        head, tail = os.path.split(head)
+    if head and tail and not os.path.exists(head):
+        try:
+            makedirs_chown(head, mode, uid, gid)
+        except OSError, e:
+            # be happy if someone already created the path
+            if e.errno != errno.EEXIST:
+                raise
+        if tail == os.path.curdir:           # xxx/newdir/. exists if xxx/newdir exists
+            return
+    os.mkdir(name, mode)
+    os.chown(name, uid, gid)
+
 class _LZMAProxy(object):
     """Small proxy class that enables external file object
        support for "r:lzma" and "w:lzma" modes. This is actually