# -*- coding: utf-8 -*-
#
-# Copyright (c) 2010, 2011, 2013 Jack Kaliko <kaliko@azylum.org>
+# Copyright (c) 2010, 2011, 2013, 2014, 2015 Jack Kaliko <kaliko@azylum.org>
#
# This file is part of sima
#
#
"""generic tools and utilities for sima
"""
+# pylint: disable=C0111
+import logging
import traceback
import sys
from argparse import ArgumentError, Action
from base64 import b64decode as push
from codecs import getencoder
-from datetime import datetime, timedelta
+from datetime import datetime
from os import environ, access, getcwd, W_OK, R_OK
from os.path import dirname, isabs, join, normpath, exists, isdir, isfile
from time import sleep
def exception_log():
"""Log unknown exceptions"""
- import logging
- log = logging.getLogger('sima')
+ log = logging.getLogger(__name__)
log.error('Unhandled Exception!!!')
log.error(''.join(traceback.format_exc()))
log.info('Please report the previous message'
log.info('Quiting now!')
sys.exit(1)
-def purge_cache(obj, age=4):
- now = datetime.utcnow()
- if now.hour == obj.timestamp.hour:
- return
- obj.timestamp = datetime.utcnow()
- cache = obj.cache
- delta = timedelta(hours=age)
- for url in list(cache.keys()):
- timestamp = cache.get(url).created()
- if now - timestamp > delta:
- cache.pop(url)
-
class SigHup(Exception):
+ """SIGHUP raises this Exception"""
pass
# ArgParse Callbacks
"""Is file writable
"""
def checks(self):
+ if isdir(self._file):
+ self.parser.error('need a file not a directory: {}'.format(self._file))
if not exists(self._dir):
#raise ArgumentError(self, '"{0}" does not exist'.format(self._dir))
- self.parser.error('file does not exist: {0}'.format(self._dir))
+ self.parser.error('directory does not exist: {0}'.format(self._dir))
if not exists(self._file):
# Is parent directory writable then
if not access(self._dir, W_OK):
if not access(self._file, W_OK):
self.parser.error('no write access to "{0}"'.format(self._file))
-class Throttle():
+class Throttle:
+ """throttle decorator"""
def __init__(self, wait):
self.wait = wait
self.last_called = datetime.now()
return result
return wrapper
-class Cache():
- def __init__(self, elem, last=None):
- self.elem = elem
- self.requestdate = last
- if not last:
- self.requestdate = datetime.utcnow()
-
- def created(self):
- return self.requestdate
-
- def get(self):
- return self.elem
-
-
# http client exceptions (for webservices)
class WSError(Exception):