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import os
import shutil
from snakeoil.osutils import (ensure_dirs as snakeoil_ensure_dirs)
def ensure_dirs(path, gid=-1, uid=-1, mode=0o700, 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=mode, minimal=True)
if not succeeded:
if failback:
failback()
if fatal:
raise IOError(
"Failed to create directory: %s" % path)
return succeeded
def updatefiles(config, logger, category=None, filename = None):
if category and not filename:
filename = config.get_key('seeds', category)
elif not filename:
logger.error("MAIN: updatefiles(); category or filename not supplied")
return False
old = filename + '.old'
try:
logger.info("Backing up existing file...")
if os.path.exists(old):
logger.debug(
"MAIN: updatefiles(); Removing 'old' seed file: %s"
% old)
os.unlink(old)
if os.path.exists(filename):
logger.debug(
"MAIN: updatefiles(); Renaming current seed file to: "
"%s" % old)
os.rename(filename, old)
if os.path.exists(filename + '.new'):
logger.debug(
"MAIN: updatefiles(); Renaming '.new' seed file to: %s"
% filename)
os.rename(filename + '.new', filename)
else:
logger.error("MAIN: updatefiles(); Renaming "
"'%s.new' seed DOES NOT EXIST!" % filename)
except IOError:
raise
return False
return True
def updateseeds(config, logger, src, dst):
if not src or not dst:
logger.error("MAIN: updateseeds(); source and/or destination not supplied")
return False
try:
if os.path.exists(dst):
logger.debug(
"MAIN: updateseeds(); Removing 'old' seed file: %s"
% dst)
os.unlink(dst)
if os.path.exists(src):
logger.debug(
"MAIN: updateseeds(); Moving new seed file to: "
"%s" % dst)
shutil.move(src, dst)
except IOError:
raise
return False
return True
def rm_files(config, logger, files, lock=None):
pass
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