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# Copyright (c) 2016 Egor Tensin <Egor.Tensin@gmail.com>
# This file is part of the "VK scripts" project.
# For details, see https://github.com/egor-tensin/vk-scripts.
# Distributed under the MIT License.
import logging
from .. import meta
class Writer(meta.Writer):
def __init__(self, fd):
self._logger = logging.getLogger(__file__)
self._logger.setLevel(logging.INFO)
handler = logging.StreamHandler(fd)
handler.setFormatter(logging.Formatter(
fmt='[%(asctime)s] %(message)s',
datefmt='%Y-%m-%d %H:%M:%S'))
self._logger.addHandler(handler)
self._reset_last_notification()
def info(self, *args, **kwargs):
self._logger.info(*args, **kwargs)
def exception(self, *args, **kwargs):
self._logger.exception(*args, **kwargs)
def error(self, *args, **kwargs):
self._logger.error(*args, **kwargs)
def _reset_last_notification(self):
self._last_error = False, None
def _set_last_notification(self, e):
self._last_error = True, str(e)
@property
def _last_notification_was_connection_error(self):
return self._last_error[0]
@property
def _last_notification_error_message(self):
return self._last_error[1]
def on_initial_status(self, user):
self._reset_last_notification()
if user.is_online():
self.info(self._format_user_is_online(user))
else:
self.info(self._format_user_is_offline(user))
self.info(self._format_user_last_seen(user))
def on_status_update(self, user):
self._reset_last_notification()
if user.is_online():
self.info(self._format_user_went_online(user))
else:
self.info(self._format_user_went_offline(user))
self.info(self._format_user_last_seen(user))
def on_connection_error(self, e):
if self._last_notification_was_connection_error:
if str(e) == self._last_notification_error_message:
self.error(self._format_another_connection_error(e))
return
self._set_last_notification(e)
self.exception(e)
@staticmethod
def _format_user(user):
if user.has_last_name():
return '{} {}'.format(user.get_first_name(), user.get_last_name())
else:
return '{}'.format(user.get_first_name())
@staticmethod
def _format_user_is_online(user):
return '{} is ONLINE.'.format(Writer._format_user(user))
@staticmethod
def _format_user_is_offline(user):
return '{} is OFFLINE.'.format(Writer._format_user(user))
@staticmethod
def _format_user_last_seen(user):
return '{} was last seen at {} using {}.'.format(
Writer._format_user(user),
user.get_last_seen_time_local(),
user.get_last_seen_platform().get_descr_text())
@staticmethod
def _format_user_went_online(user):
return '{} went ONLINE.'.format(Writer._format_user(user))
@staticmethod
def _format_user_went_offline(user):
return '{} went OFFLINE.'.format(Writer._format_user(user))
@staticmethod
def _format_another_connection_error(e):
return 'Encountered a connection error which looks like the previous one: ' + str(e)
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