Add makedirs(), removedirs(), renames() -- ESR-inspired super-versions
of mkdir(), rmdir() and rename() that make or remove intermediate
directories as well.
diff --git a/Lib/os.py b/Lib/os.py
index fa13a20..03f6ae2 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -93,6 +93,69 @@
del _names
+# Super directory utilities.
+# (Inspired by Eric Raymond; the doc strings are mostly his)
+
+def makedirs(name, mode=0777):
+ """makedirs(path [, mode=0777]) -> None
+
+ Super-mkdir; create a leaf directory and all intermediate ones.
+ Works like mkdir, except that any intermediate path segment (not
+ just the rightmost) will be created if it does not exist. This is
+ recursive.
+
+ """
+ head, tail = path.split(name)
+ if head and tail and not path.exists(head):
+ makedirs(head, mode)
+ mkdir(name, mode)
+
+def removedirs(name):
+ """removedirs(path) -> None
+
+ Super-rmdir; remove a leaf directory and empty all intermediate
+ ones. Works like rmdir except that, if the leaf directory is
+ successfully removed, directories corresponding to rightmost path
+ segments will be pruned way until either the whole path is
+ consumed or an error occurs. Errors during this latter phase are
+ ignored -- they generally mean that a directory was not empty.
+
+ """
+ rmdir(name)
+ head, tail = path.split(name)
+ while head and tail:
+ try:
+ rmdir(head)
+ except error:
+ break
+ head, tail = path.split(head)
+
+def renames(old, new):
+ """renames(old, new) -> None
+
+ Super-rename; create directories as necessary and delete any left
+ empty. Works like rename, except creation of any intermediate
+ directories needed to make the new pathname good is attempted
+ first. After the rename, directories corresponding to rightmost
+ path segments of the old name will be pruned way until either the
+ whole path is consumed or a nonempty directory is found.
+
+ Note: this function can fail with the new directory structure made
+ if you lack permissions needed to unlink the leaf directory or
+ file.
+
+ """
+ head, tail = path.split(new)
+ if head and tail and not path.exists(head):
+ makedirs(head)
+ rename(old, new)
+ head, tail = path.split(old)
+ if head and tail:
+ try:
+ removedirs(head)
+ except error:
+ pass
+
# Make sure os.environ exists, at least
try:
environ