/usr/lib/python3/dist-packages/logbook/notifiers.py is in python3-logbook 0.7.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""
logbook.notifiers
~~~~~~~~~~~~~~~~~
System notify handlers for OSX and Linux.
:copyright: (c) 2010 by Armin Ronacher, Christopher Grebs.
:license: BSD, see LICENSE for more details.
"""
import os
import sys
import base64
from time import time
from logbook.base import NOTSET, ERROR, WARNING
from logbook.handlers import Handler, LimitingHandlerMixin
from logbook.helpers import get_application_name, PY2, http_client
if PY2:
from urllib import urlencode
else:
from urllib.parse import urlencode
def create_notification_handler(application_name=None, level=NOTSET, icon=None):
"""Creates a handler perfectly fit the current platform. On Linux
systems this creates a :class:`LibNotifyHandler`, on OS X systems it
will create a :class:`GrowlHandler`.
"""
if sys.platform == 'darwin':
return GrowlHandler(application_name, level=level, icon=icon)
return LibNotifyHandler(application_name, level=level, icon=icon)
class NotificationBaseHandler(Handler, LimitingHandlerMixin):
"""Baseclass for notification handlers."""
def __init__(self, application_name=None, record_limit=None,
record_delta=None, level=NOTSET, filter=None, bubble=False):
Handler.__init__(self, level, filter, bubble)
LimitingHandlerMixin.__init__(self, record_limit, record_delta)
if application_name is None:
application_name = get_application_name()
self.application_name = application_name
def make_title(self, record):
"""Called to get the title from the record."""
return u('%s: %s') % (record.channel, record.level_name.title())
def make_text(self, record):
"""Called to get the text of the record."""
return record.message
class GrowlHandler(NotificationBaseHandler):
"""A handler that dispatches to Growl. Requires that either growl-py or
py-Growl are installed.
"""
def __init__(self, application_name=None, icon=None, host=None,
password=None, record_limit=None, record_delta=None,
level=NOTSET, filter=None, bubble=False):
NotificationBaseHandler.__init__(self, application_name, record_limit,
record_delta, level, filter, bubble)
# growl is using the deprecated md5 module, but we really don't need
# to see that deprecation warning
from warnings import filterwarnings
filterwarnings(module='Growl', category=DeprecationWarning,
action='ignore')
try:
import Growl
self._growl = Growl
except ImportError:
raise RuntimeError('The growl module is not available. You have '
'to install either growl-py or py-Growl to '
'use the GrowlHandler.')
if icon is not None:
if not os.path.isfile(icon):
raise IOError('Filename to an icon expected.')
icon = self._growl.Image.imageFromPath(icon)
else:
try:
icon = self._growl.Image.imageWithIconForCurrentApplication()
except TypeError:
icon = None
self._notifier = self._growl.GrowlNotifier(
applicationName=self.application_name,
applicationIcon=icon,
notifications=['Notset', 'Debug', 'Info', 'Notice', 'Warning',
'Error', 'Critical'],
hostname=host,
password=password
)
self._notifier.register()
def is_sticky(self, record):
"""Returns `True` if the sticky flag should be set for this record.
The default implementation marks errors and criticals sticky.
"""
return record.level >= ERROR
def get_priority(self, record):
"""Returns the priority flag for Growl. Errors and criticals are
get highest priority (2), warnings get higher priority (1) and the
rest gets 0. Growl allows values between -2 and 2.
"""
if record.level >= ERROR:
return 2
elif record.level == WARNING:
return 1
return 0
def emit(self, record):
if not self.check_delivery(record)[1]:
return
self._notifier.notify(record.level_name.title(),
self.make_title(record),
self.make_text(record),
sticky=self.is_sticky(record),
priority=self.get_priority(record))
class LibNotifyHandler(NotificationBaseHandler):
"""A handler that dispatches to libnotify. Requires pynotify installed.
If `no_init` is set to `True` the initialization of libnotify is skipped.
"""
def __init__(self, application_name=None, icon=None, no_init=False,
record_limit=None, record_delta=None, level=NOTSET,
filter=None, bubble=False):
NotificationBaseHandler.__init__(self, application_name, record_limit,
record_delta, level, filter, bubble)
try:
import pynotify
self._pynotify = pynotify
except ImportError:
raise RuntimeError('The pynotify library is required for '
'the LibNotifyHandler.')
self.icon = icon
if not no_init:
pynotify.init(self.application_name)
def set_notifier_icon(self, notifier, icon):
"""Used to attach an icon on a notifier object."""
try:
from gtk import gdk
except ImportError:
#TODO: raise a warning?
raise RuntimeError('The gtk.gdk module is required to set an icon.')
if icon is not None:
if not isinstance(icon, gdk.Pixbuf):
icon = gdk.pixbuf_new_from_file(icon)
notifier.set_icon_from_pixbuf(icon)
def get_expires(self, record):
"""Returns either EXPIRES_DEFAULT or EXPIRES_NEVER for this record.
The default implementation marks errors and criticals as EXPIRES_NEVER.
"""
pn = self._pynotify
return pn.EXPIRES_NEVER if record.level >= ERROR else pn.EXPIRES_DEFAULT
def get_urgency(self, record):
"""Returns the urgency flag for pynotify. Errors and criticals are
get highest urgency (CRITICAL), warnings get higher priority (NORMAL)
and the rest gets LOW.
"""
pn = self._pynotify
if record.level >= ERROR:
return pn.URGENCY_CRITICAL
elif record.level == WARNING:
return pn.URGENCY_NORMAL
return pn.URGENCY_LOW
def emit(self, record):
if not self.check_delivery(record)[1]:
return
notifier = self._pynotify.Notification(self.make_title(record),
self.make_text(record))
notifier.set_urgency(self.get_urgency(record))
notifier.set_timeout(self.get_expires(record))
self.set_notifier_icon(notifier, self.icon)
notifier.show()
class BoxcarHandler(NotificationBaseHandler):
"""Sends notifications to boxcar.io. Can be forwarded to your iPhone or
other compatible device.
"""
api_url = 'https://boxcar.io/notifications/'
def __init__(self, email, password, record_limit=None, record_delta=None,
level=NOTSET, filter=None, bubble=False):
NotificationBaseHandler.__init__(self, None, record_limit, record_delta,
level, filter, bubble)
self.email = email
self.password = password
def get_screen_name(self, record):
"""Returns the value of the screen name field."""
return record.level_name.title()
def emit(self, record):
if not self.check_delivery(record)[1]:
return
body = urlencode({
'notification[from_screen_name]':
self.get_screen_name(record).encode('utf-8'),
'notification[message]':
self.make_text(record).encode('utf-8'),
'notification[from_remote_service_id]': str(int(time() * 100))
})
con = http_client.HTTPSConnection('boxcar.io')
con.request('POST', '/notifications/', headers={
'Authorization': 'Basic ' +
base64.b64encode((u('%s:%s') %
(self.email, self.password)).encode('utf-8')).strip(),
}, body=body)
con.close()
class NotifoHandler(NotificationBaseHandler):
"""Sends notifications to notifo.com. Can be forwarded to your Desktop,
iPhone, or other compatible device.
"""
def __init__(self, application_name=None, username=None, secret=None,
record_limit=None, record_delta=None, level=NOTSET, filter=None,
bubble=False, hide_level=False):
try:
import notifo
except ImportError:
raise RuntimeError(
'The notifo module is not available. You have '
'to install notifo to use the NotifoHandler.'
)
NotificationBaseHandler.__init__(self, None, record_limit, record_delta,
level, filter, bubble)
self._notifo = notifo
self.application_name = application_name
self.username = username
self.secret = secret
self.hide_level = hide_level
def emit(self, record):
if self.hide_level:
_level_name = None
else:
_level_name = self.level_name
self._notifo.send_notification(self.username, self.secret, None,
record.message, self.application_name,
_level_name, None)
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