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# Maintained in full by:
# Catalyst Team <catalyst@gentoo.org>
# Release Engineering Team <releng@gentoo.org>
'''fileops.py
Performs file operations such as pack/unpack,
ensuring directories exist,... imports snakeoils osutils
functions for use throughout catalyst.
'''
from snakeoil.osutils import (ensure_dirs as snakeoil_ensure_dirs, normpath,
pjoin, listdir_files)
from catalyst.support import CatalystError
def ensure_dirs(path, gid=-1, uid=-1, mode=0777, minimal=True,
failback=None, fatal=False):
'''Wrapper to snakeoil.osutil's ensure_dirs()
This additionally allows for failures to run
cleanup or other code and/or raise fatal errors.
:param path: directory to ensure exists on disk
:param gid: a valid GID to set any created directories to
:param uid: a valid UID to set any created directories to
:param mode: permissions to set any created directories to
:param minimal: boolean controlling whether or not the specified mode
must be enforced, or is the minimal permissions necessary. For example,
if mode=0755, minimal=True, and a directory exists with mode 0707,
this will restore the missing group perms resulting in 757.
:param failback: function to run in the event of a failed attemp
to create the directory.
:return: True if the directory could be created/ensured to have those
permissions, False if not.
'''
succeeded = snakeoil_ensure_dirs(path, gid=-1, uid=-1, mode=0777, minimal=True)
if not succeeded:
if failback:
failback()
if fatal:
raise CatalystError(
"Failed to create directory: %s" % path, print_traceback=True)
return succeeded
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