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# filters.py - Filter-related endpoints
import re
from .versions import _DICT_VERSION_FILTER
from .errors import MastodonIllegalArgumentError
from .utility import api_version
from .internals import Mastodon as Internals
class Mastodon(Internals):
###
# Reading data: Keyword filters
###
@api_version("2.4.3", "2.4.3", _DICT_VERSION_FILTER)
def filters(self):
"""
Fetch all of the logged-in user's filters.
Returns a list of :ref:`filter dicts <filter dicts>`. Not paginated.
"""
return self.__api_request('GET', '/api/v1/filters')
@api_version("2.4.3", "2.4.3", _DICT_VERSION_FILTER)
def filter(self, id):
"""
Fetches information about the filter with the specified `id`.
Returns a :ref:`filter dict <filter dict>`.
"""
id = self.__unpack_id(id)
url = '/api/v1/filters/{0}'.format(str(id))
return self.__api_request('GET', url)
@api_version("2.4.3", "2.4.3", _DICT_VERSION_FILTER)
def filters_apply(self, objects, filters, context):
"""
Helper function: Applies a list of filters to a list of either statuses
or notifications and returns only those matched by none. This function will
apply all filters that match the context provided in `context`, i.e.
if you want to apply only notification-relevant filters, specify
'notifications'. Valid contexts are 'home', 'notifications', 'public' and 'thread'.
"""
# Build filter regex
filter_strings = []
for keyword_filter in filters:
if not context in keyword_filter["context"]:
continue
filter_string = re.escape(keyword_filter["phrase"])
if keyword_filter["whole_word"]:
filter_string = "\\b" + filter_string + "\\b"
filter_strings.append(filter_string)
filter_re = re.compile("|".join(filter_strings), flags=re.IGNORECASE)
# Apply
filter_results = []
for filter_object in objects:
filter_status = filter_object
if "status" in filter_object:
filter_status = filter_object["status"]
filter_text = filter_status["content"]
filter_text = re.sub(r"<.*?>", " ", filter_text)
filter_text = re.sub(r"\s+", " ", filter_text).strip()
if not filter_re.search(filter_text):
filter_results.append(filter_object)
return filter_results
###
# Writing data: Keyword filters
###
@api_version("2.4.3", "2.4.3", _DICT_VERSION_FILTER)
def filter_create(self, phrase, context, irreversible=False, whole_word=True, expires_in=None):
"""
Creates a new keyword filter. `phrase` is the phrase that should be
filtered out, `context` specifies from where to filter the keywords.
Valid contexts are 'home', 'notifications', 'public' and 'thread'.
Set `irreversible` to True if you want the filter to just delete statuses
server side. This works only for the 'home' and 'notifications' contexts.
Set `whole_word` to False if you want to allow filter matches to
start or end within a word, not only at word boundaries.
Set `expires_in` to specify for how many seconds the filter should be
kept around.
Returns the :ref:`filter dict <filter dict>` of the newly created filter.
"""
params = self.__generate_params(locals())
for context_val in context:
if not context_val in ['home', 'notifications', 'public', 'thread']:
raise MastodonIllegalArgumentError('Invalid filter context.')
return self.__api_request('POST', '/api/v1/filters', params)
@api_version("2.4.3", "2.4.3", _DICT_VERSION_FILTER)
def filter_update(self, id, phrase=None, context=None, irreversible=None, whole_word=None, expires_in=None):
"""
Updates the filter with the given `id`. Parameters are the same
as in `filter_create()`.
Returns the :ref:`filter dict <filter dict>` of the updated filter.
"""
id = self.__unpack_id(id)
params = self.__generate_params(locals(), ['id'])
url = '/api/v1/filters/{0}'.format(str(id))
return self.__api_request('PUT', url, params)
@api_version("2.4.3", "2.4.3", "2.4.3")
def filter_delete(self, id):
"""
Deletes the filter with the given `id`.
"""
id = self.__unpack_id(id)
url = '/api/v1/filters/{0}'.format(str(id))
self.__api_request('DELETE', url)
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