diff options
| -rw-r--r-- | Doc/library/os.rst | 19 | ||||
| -rw-r--r-- | Misc/NEWS | 3 |
2 files changed, 14 insertions, 8 deletions
diff --git a/Doc/library/os.rst b/Doc/library/os.rst index 5991e29..410e03a 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -1183,18 +1183,21 @@ Files and Directories single: UNC paths; and os.makedirs() Recursive directory creation function. Like :func:`mkdir`, but makes all - intermediate-level directories needed to contain the leaf directory. If - the target directory with the same mode as specified already exists, - raises an :exc:`OSError` exception if *exist_ok* is False, otherwise no - exception is raised. If the directory cannot be created in other cases, - raises an :exc:`OSError` exception. The default *mode* is ``0o777`` (octal). - On some systems, *mode* is ignored. Where it is used, the current umask - value is first masked out. + intermediate-level directories needed to contain the leaf directory. + + The default *mode* is ``0o777`` (octal). On some systems, *mode* is + ignored. Where it is used, the current umask value is first masked out. + + If *exists_ok* is ``False`` (the default), an :exc:`OSError` is raised if + the target directory already exists. If *exists_ok* is ``True`` an + :exc:`OSError` is still raised if the umask-masked *mode* is different from + the existing mode, on systems where the mode is used. :exc:`OSError` will + also be raised if the directory creation fails. .. note:: :func:`makedirs` will become confused if the path elements to create - include :data:`pardir`. + include :data:`pardir` (eg. ".." on UNIX systems). This function handles UNC paths correctly. @@ -609,6 +609,9 @@ Build Documentation ------------- +- Issue #13498: Clarify docs of os.makedirs()'s exist_ok argument. Done with + great native-speaker help from R. David Murray. + - Issue #15533: Clarify docs and add tests for subprocess.Popen()'s cwd argument. |