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#!/usr/bin/python
# -*- coding: utf-8 -*-
from sys import stderr
import os
import argparse
from layman.config import OptionConfig
from layman.api import LaymanAPI
from layman.version import VERSION
def rename_db(config, newname, output):
"""small upgrade function to handle the name change
for the installed xml file"""
if os.access(config['local_list'], os.F_OK):
output.info("Automatic db rename, old name was..: %s"
% config['local_list'],2)
try:
os.rename(config['local_list'], newname)
output.info("Automatic db rename, new "
"name is...: %s" %newname, 2)
output.notice('')
return
except OSError, err:
output.error("Automatic db rename failed:\n%s" %str(err))
else:
output.info("Automatic db rename, failed access to: %s"
% config['local_list'],2)
output.die("Please check that /etc/layman.cfg is up"
" to date\nThen try running layman again.\n"
"You may need to rename the old 'local_list' config setting"
" to\nthe new 'installed' config setting's filename.\n")
class Main(object):
def __init__(self):
self.parser = None
self.output = None
self.config = None
self.args = None
def args_parser(self):
self.parser = argparse.ArgumentParser(prog='layman-updater',
description="Layman's DB update script")
self.parser.add_argument("-c", "--config",
help='the path to config file')
self.parser.add_argument('--version', action='version',
version='%(prog)s ' + VERSION)
self.args = self.parser.parse_args()
def __call__(self):
self.args_parser()
options = None
if self.args.config:
options = {
'config': self.args.config,
}
self.config = OptionConfig(options=options)
self.config.read_config(self.config.get_defaults())
layman_inst = LaymanAPI(config=self.config)
self.output = layman_inst.output
self.rename_check()
def rename_check(self):
'''Checks for and renames the installed db if needed
'''
newname = self.config['installed']
# check and handle the name change
if not os.access(newname, os.F_OK):
if os.access(self.config['local_list'], os.F_OK):
self.output.info("Layman automatic db rename utility, "
"performing update", 2)
rename_db(self.config, newname, self.output)
elif os.access(newname, os.F_OK) and \
os.access(self.config['local_list'], os.F_OK):
self.output.error("Automatic db rename failed: "
"Both old and new files exist")
self.output.error("Old file: %s still exists"
% self.config['local_list'])
self.output.error("New file: %s already exists" % newname)
else:
self.output.info("Automatic db rename "
"already updated: %s" % newname)
return
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