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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
streaming_service property
"""
import re
from rebulk import Rebulk
from rebulk.rules import Rule, RemoveMatch
from ..common.pattern import is_disabled
from ...rules.common import seps, dash
from ...rules.common.validators import seps_before, seps_after
def streaming_service(config): # pylint: disable=too-many-statements,unused-argument
"""Streaming service property.
:param config: rule configuration
:type config: dict
:return:
:rtype: Rebulk
"""
rebulk = Rebulk(disabled=lambda context: is_disabled(context, 'streaming_service'))
rebulk = rebulk.string_defaults(ignore_case=True).regex_defaults(flags=re.IGNORECASE, abbreviations=[dash])
rebulk.defaults(name='streaming_service', tags=['source-prefix'])
for value, items in config.items():
patterns = items if isinstance(items, list) else [items]
for pattern in patterns:
if pattern.startswith('re:'):
rebulk.regex(pattern, value=value)
else:
rebulk.string(pattern, value=value)
rebulk.rules(ValidateStreamingService)
return rebulk
class ValidateStreamingService(Rule):
"""Validate streaming service matches."""
priority = 128
consequence = RemoveMatch
def when(self, matches, context):
"""Streaming service is always before source.
:param matches:
:type matches: rebulk.match.Matches
:param context:
:type context: dict
:return:
"""
to_remove = []
for service in matches.named('streaming_service'):
next_match = matches.next(service, lambda match: 'streaming_service.suffix' in match.tags, 0)
previous_match = matches.previous(service, lambda match: 'streaming_service.prefix' in match.tags, 0)
has_other = service.initiator and service.initiator.children.named('other')
if not has_other:
if (not next_match or
matches.holes(service.end, next_match.start,
predicate=lambda match: match.value.strip(seps)) or
not seps_before(service)):
if (not previous_match or
matches.holes(previous_match.end, service.start,
predicate=lambda match: match.value.strip(seps)) or
not seps_after(service)):
to_remove.append(service)
continue
if service.value == 'Comedy Central':
# Current match is a valid streaming service, removing invalid Criterion Collection (CC) matches
to_remove.extend(matches.named('edition', predicate=lambda match: match.value == 'Criterion'))
return to_remove
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