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bazarr/libs/apprise/plugins/__init__.py

413 lines
15 KiB

# -*- coding: utf-8 -*-
#
# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
# All rights reserved.
#
# This code is licensed under the MIT License.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files(the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions :
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import six
import re
import copy
from os import listdir
from os.path import dirname
from os.path import abspath
# Used for testing
from . import NotifyEmail as NotifyEmailBase
# Required until re-factored into base code
from .NotifyPushjet import pushjet
from .NotifyGrowl import gntp
# NotifyBase object is passed in as a module not class
from . import NotifyBase
from ..common import NotifyImageSize
from ..common import NOTIFY_IMAGE_SIZES
from ..common import NotifyType
from ..common import NOTIFY_TYPES
from ..utils import parse_list
from ..AppriseLocale import gettext_lazy as _
from ..AppriseLocale import LazyTranslation
# Maintains a mapping of all of the Notification services
SCHEMA_MAP = {}
__all__ = [
# Reference
'NotifyImageSize', 'NOTIFY_IMAGE_SIZES', 'NotifyType', 'NOTIFY_TYPES',
'NotifyBase',
# NotifyEmail Base Module (used for NotifyEmail testing)
'NotifyEmailBase',
# gntp (used for NotifyGrowl Testing)
'gntp',
# pushjet (used for NotifyPushjet Testing)
'pushjet',
]
# we mirror our base purely for the ability to reset everything; this
# is generally only used in testing and should not be used by developers
MODULE_MAP = {}
# Load our Lookup Matrix
def __load_matrix(path=abspath(dirname(__file__)), name='apprise.plugins'):
"""
Dynamically load our schema map; this allows us to gracefully
skip over modules we simply don't have the dependencies for.
"""
# Used for the detection of additional Notify Services objects
# The .py extension is optional as we support loading directories too
module_re = re.compile(r'^(?P<name>Notify[a-z0-9]+)(\.py)?$', re.I)
for f in listdir(path):
match = module_re.match(f)
if not match:
# keep going
continue
# Store our notification/plugin name:
plugin_name = match.group('name')
try:
module = __import__(
'{}.{}'.format(name, plugin_name),
globals(), locals(),
fromlist=[plugin_name])
except ImportError:
# No problem, we can't use this object
continue
if not hasattr(module, plugin_name):
# Not a library we can load as it doesn't follow the simple rule
# that the class must bear the same name as the notification
# file itself.
continue
# Get our plugin
plugin = getattr(module, plugin_name)
if not hasattr(plugin, 'app_id'):
# Filter out non-notification modules
continue
elif plugin_name in MODULE_MAP:
# we're already handling this object
continue
# Add our plugin name to our module map
MODULE_MAP[plugin_name] = {
'plugin': plugin,
'module': module,
}
# Add our module name to our __all__
__all__.append(plugin_name)
# Load our module into memory so it's accessible to all
globals()[plugin_name] = plugin
# Load protocol(s) if defined
proto = getattr(plugin, 'protocol', None)
if isinstance(proto, six.string_types):
if proto not in SCHEMA_MAP:
SCHEMA_MAP[proto] = plugin
elif isinstance(proto, (set, list, tuple)):
# Support iterables list types
for p in proto:
if p not in SCHEMA_MAP:
SCHEMA_MAP[p] = plugin
# Load secure protocol(s) if defined
protos = getattr(plugin, 'secure_protocol', None)
if isinstance(protos, six.string_types):
if protos not in SCHEMA_MAP:
SCHEMA_MAP[protos] = plugin
if isinstance(protos, (set, list, tuple)):
# Support iterables list types
for p in protos:
if p not in SCHEMA_MAP:
SCHEMA_MAP[p] = plugin
return SCHEMA_MAP
# Reset our Lookup Matrix
def __reset_matrix():
"""
Restores the Lookup matrix to it's base setting. This is only used through
testing and should not be directly called.
"""
# Reset our schema map
SCHEMA_MAP.clear()
# Iterate over our module map so we can clear out our __all__ and globals
for plugin_name in MODULE_MAP.keys():
# Clear out globals
del globals()[plugin_name]
# Remove element from plugins
__all__.remove(plugin_name)
# Clear out our module map
MODULE_MAP.clear()
# Dynamically build our schema base
__load_matrix()
def _sanitize_token(tokens, default_delimiter):
"""
This is called by the details() function and santizes the output by
populating expected and consistent arguments if they weren't otherwise
specified.
"""
# Iterate over our tokens
for key in tokens.keys():
for element in tokens[key].keys():
# Perform translations (if detected to do so)
if isinstance(tokens[key][element], LazyTranslation):
tokens[key][element] = str(tokens[key][element])
if 'alias_of' in tokens[key]:
# Do not touch this field
continue
if 'map_to' not in tokens[key]:
# Default type to key
tokens[key]['map_to'] = key
if 'type' not in tokens[key]:
# Default type to string
tokens[key]['type'] = 'string'
elif tokens[key]['type'].startswith('list') \
and 'delim' not in tokens[key]:
# Default list delimiter (if not otherwise specified)
tokens[key]['delim'] = default_delimiter
elif tokens[key]['type'].startswith('choice') \
and 'default' not in tokens[key] \
and 'values' in tokens[key] \
and len(tokens[key]['values']) == 1:
# If there is only one choice; then make it the default
tokens[key]['default'] = \
tokens[key]['values'][0]
if 'regex' in tokens[key]:
# Verify that we are a tuple; convert strings to tuples
if isinstance(tokens[key]['regex'], six.string_types):
# Default tuple setup
tokens[key]['regex'] = \
(tokens[key]['regex'], None)
elif not isinstance(tokens[key]['regex'], (list, tuple)):
# Invalid regex
del tokens[key]['regex']
if 'required' not in tokens[key]:
# Default required is False
tokens[key]['required'] = False
if 'private' not in tokens[key]:
# Private flag defaults to False if not set
tokens[key]['private'] = False
return
def details(plugin):
"""
Provides templates that can be used by developers to build URLs
dynamically.
If a list of templates is provided, then they will be used over
the default value.
If a list of tokens are provided, then they will over-ride any
additional settings built from this script and/or will be appended
to them afterwards.
"""
# Our unique list of parsing will be based on the provided templates
# if none are provided we will use our own
templates = tuple(plugin.templates)
# The syntax is simple
# {
# # The token_name must tie back to an entry found in the
# # templates list.
# 'token_name': {
#
# # types can be 'string', 'int', 'choice', 'list, 'float'
# # both choice and list may additionally have a : identify
# # what the list/choice type is comprised of; the default
# # is string.
# 'type': 'choice:string',
#
# # values will only exist the type must be a fixed
# # list of inputs (generated from type choice for example)
#
# # If this is a choice:bool then you should ALWAYS define
# # this list as a (True, False) such as ('Yes, 'No') or
# # ('Enabled', 'Disabled'), etc
# 'values': [ 'http', 'https' ],
#
# # Identifies if the entry specified is required or not
# 'required': True,
#
# # Identify a default value
# 'default': 'http',
#
# # Optional Verification Entries min and max are for floats
# # and/or integers
# 'min': 4,
# 'max': 5,
#
# # A list will always identify a delimiter. If this is
# # part of a path, this may be a '/', or it could be a
# # comma and/or space. delimiters are always in a list
# # eg (if space and/or comma is a delimiter the entry
# # would look like: 'delim': [',' , ' ' ]
# 'delim': None,
#
# # Use regex if you want to share the regular expression
# # required to validate the field. The regex will never
# # accomodate the prefix (if one is specified). That is
# # up to the user building the URLs to include the prefix
# # on the URL when constructing it.
# # The format is ('regex', 'reg options')
# 'regex': (r'[A-Z0-9]+', 'i'),
#
# # A Prefix is always a string, to differentiate between
# # multiple arguments, sometimes content is prefixed.
# 'prefix': '@',
#
# # By default the key of this object is to be interpreted
# # as the argument to the notification in question. However
# # To accomodate cases where there are multiple types that
# # all map to the same entry, one can find a map_to value.
# 'map_to': 'function_arg',
#
# # Some arguments act as an alias_of an already defined object
# # This plays a role more with configuration file generation
# # since yaml files allow you to define different argumuments
# # in line to simplify things. If this directive is set, then
# # it should be treated exactly the same as the object it is
# # an alias of
# 'alias_of': 'function_arg',
#
# # Advise developers to consider the potential sensitivity
# # of this field owned by the user. This is for passwords,
# # and api keys, etc...
# 'private': False,
# },
# }
# Template tokens identify the arguments required to initialize the
# plugin itself. It identifies all of the tokens and provides some
# details on their use. Each token defined should in some way map
# back to at least one URL {token} defined in the templates
# Since we nest a dictionary within a dictionary, a simple copy isn't
# enough. a deepcopy allows us to manipulate this object in this
# funtion without obstructing the original.
template_tokens = copy.deepcopy(plugin.template_tokens)
# Arguments and/or Options either have a default value and/or are
# optional to be set.
#
# Since we nest a dictionary within a dictionary, a simple copy isn't
# enough. a deepcopy allows us to manipulate this object in this
# funtion without obstructing the original.
template_args = copy.deepcopy(plugin.template_args)
# Our template keyword arguments ?+key=value&-key=value
# Basically the user provides both the key and the value. this is only
# possibly by identifying the key prefix required for them to be
# interpreted hence the +/- keys are built into apprise by default for easy
# reference. In these cases, entry might look like '+' being the prefix:
# {
# 'arg_name': {
# 'name': 'label',
# 'prefix': '+',
# }
# }
#
# Since we nest a dictionary within a dictionary, a simple copy isn't
# enough. a deepcopy allows us to manipulate this object in this
# funtion without obstructing the original.
template_kwargs = copy.deepcopy(plugin.template_kwargs)
# We automatically create a schema entry
template_tokens['schema'] = {
'name': _('Schema'),
'type': 'choice:string',
'required': True,
'values': parse_list(plugin.secure_protocol, plugin.protocol)
}
# Sanitize our tokens
_sanitize_token(template_tokens, default_delimiter=('/', ))
# Delimiter(s) are space and/or comma
_sanitize_token(template_args, default_delimiter=(',', ' '))
_sanitize_token(template_kwargs, default_delimiter=(',', ' '))
# Argument/Option Handling
for key in list(template_args.keys()):
# _lookup_default looks up what the default value
if '_lookup_default' in template_args[key]:
template_args[key]['default'] = getattr(
plugin, template_args[key]['_lookup_default'])
# Tidy as we don't want to pass this along in response
del template_args[key]['_lookup_default']
# _exists_if causes the argument to only exist IF after checking
# the return of an internal variable requiring a check
if '_exists_if' in template_args[key]:
if not getattr(plugin,
template_args[key]['_exists_if']):
# Remove entire object
del template_args[key]
else:
# We only nee to remove this key
del template_args[key]['_exists_if']
return {
'templates': templates,
'tokens': template_tokens,
'args': template_args,
'kwargs': template_kwargs,
}