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# -*- coding: utf-8 -*-
# Copyright 2023 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
""" """
import re
import time
import logging
import operator
import functools
from . import util, exception
def parse(actionspec):
if isinstance(actionspec, dict):
actionspec = actionspec.items()
actions = {}
actions[-logging.DEBUG] = actions_bd = []
actions[-logging.INFO] = actions_bi = []
actions[-logging.WARNING] = actions_bw = []
actions[-logging.ERROR] = actions_be = []
actions[logging.DEBUG] = actions_ad = []
actions[logging.INFO] = actions_ai = []
actions[logging.WARNING] = actions_aw = []
actions[logging.ERROR] = actions_ae = []
for event, spec in actionspec:
level, _, pattern = event.partition(":")
search = re.compile(pattern).search if pattern else util.true
if isinstance(spec, str):
type, _, args = spec.partition(" ")
before, after = ACTIONS[type](args)
else:
actions_before = []
actions_after = []
for s in spec:
type, _, args = s.partition(" ")
before, after = ACTIONS[type](args)
if before:
actions_before.append(before)
if after:
actions_after.append(after)
before = _chain_actions(actions_before)
after = _chain_actions(actions_after)
level = level.strip()
if not level or level == "*":
if before:
action = (search, before)
actions_bd.append(action)
actions_bi.append(action)
actions_bw.append(action)
actions_be.append(action)
if after:
action = (search, after)
actions_ad.append(action)
actions_ai.append(action)
actions_aw.append(action)
actions_ae.append(action)
else:
level = _level_to_int(level)
if before:
actions[-level].append((search, before))
if after:
actions[level].append((search, after))
return actions
class LoggerAdapter():
def __init__(self, logger, job):
self.logger = logger
self.extra = job._logger_extra
self.actions = job._logger_actions
self.debug = functools.partial(self.log, logging.DEBUG)
self.info = functools.partial(self.log, logging.INFO)
self.warning = functools.partial(self.log, logging.WARNING)
self.error = functools.partial(self.log, logging.ERROR)
def log(self, level, msg, *args, **kwargs):
msg = str(msg)
if args:
msg = msg % args
before = self.actions[-level]
after = self.actions[level]
if before:
args = self.extra.copy()
args["level"] = level
for cond, action in before:
if cond(msg):
action(args)
level = args["level"]
if self.logger.isEnabledFor(level):
kwargs["extra"] = self.extra
self.logger._log(level, msg, (), **kwargs)
if after:
args = self.extra.copy()
for cond, action in after:
if cond(msg):
action(args)
def _level_to_int(level):
try:
return logging._nameToLevel[level]
except KeyError:
return int(level)
def _chain_actions(actions):
def _chain(args):
for action in actions:
action(args)
return _chain
# --------------------------------------------------------------------
def action_print(opts):
def _print(_):
print(opts)
return None, _print
def action_status(opts):
op, value = re.match(r"\s*([&|^=])=?\s*(\d+)", opts).groups()
op = {
"&": operator.and_,
"|": operator.or_,
"^": operator.xor,
"=": lambda x, y: y,
}[op]
value = int(value)
def _status(args):
args["job"].status = op(args["job"].status, value)
return _status, None
def action_level(opts):
level = _level_to_int(opts.lstrip(" ~="))
def _level(args):
args["level"] = level
return _level, None
def action_exec(opts):
def _exec(_):
util.Popen(opts, shell=True).wait()
return None, _exec
def action_wait(opts):
if opts:
seconds = util.build_duration_func(opts)
def _wait(args):
time.sleep(seconds())
else:
def _wait(args):
input("Press Enter to continue")
return None, _wait
def action_abort(opts):
return None, util.raises(exception.StopExtraction)
def action_terminate(opts):
return None, util.raises(exception.TerminateExtraction)
def action_restart(opts):
return None, util.raises(exception.RestartExtraction)
def action_exit(opts):
try:
opts = int(opts)
except ValueError:
pass
def _exit(args):
raise SystemExit(opts)
return None, _exit
ACTIONS = {
"abort" : action_abort,
"exec" : action_exec,
"exit" : action_exit,
"level" : action_level,
"print" : action_print,
"restart" : action_restart,
"status" : action_status,
"terminate": action_terminate,
"wait" : action_wait,
}
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