mirror of https://github.com/zulip/zulip.git
77 lines
2.9 KiB
Python
77 lines
2.9 KiB
Python
import os
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from zerver.lib.request import JsonableError
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from zerver.lib.topic import (
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get_topic_from_message_info,
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)
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from django.conf import settings
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from django.utils.translation import ugettext as _
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from typing import Any, Callable, Dict, Iterable, List, Mapping, Optional, Sequence
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stop_words_list: Optional[List[str]] = None
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def read_stop_words() -> List[str]:
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global stop_words_list
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if stop_words_list is None:
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file_path = os.path.join(settings.DEPLOY_ROOT, "puppet/zulip/files/postgresql/zulip_english.stop")
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with open(file_path) as f:
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stop_words_list = f.read().splitlines()
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return stop_words_list
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def check_supported_events_narrow_filter(narrow: Iterable[Sequence[str]]) -> None:
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for element in narrow:
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operator = element[0]
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if operator not in ["stream", "topic", "sender", "is"]:
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raise JsonableError(_("Operator %s not supported.") % (operator,))
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def is_web_public_compatible(narrow: Iterable[Dict[str, str]]) -> bool:
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for element in narrow:
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operator = element['operator']
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if 'operand' not in element:
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return False
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if operator not in ["streams", "stream", "topic", "sender", "has", "search", "near", "id"]:
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return False
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return True
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def build_narrow_filter(narrow: Iterable[Sequence[str]]) -> Callable[[Mapping[str, Any]], bool]:
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"""Changes to this function should come with corresponding changes to
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BuildNarrowFilterTest."""
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check_supported_events_narrow_filter(narrow)
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def narrow_filter(event: Mapping[str, Any]) -> bool:
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message = event["message"]
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flags = event["flags"]
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for element in narrow:
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operator = element[0]
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operand = element[1]
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if operator == "stream":
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if message["type"] != "stream":
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return False
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if operand.lower() != message["display_recipient"].lower():
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return False
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elif operator == "topic":
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if message["type"] != "stream":
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return False
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topic_name = get_topic_from_message_info(message)
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if operand.lower() != topic_name.lower():
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return False
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elif operator == "sender":
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if operand.lower() != message["sender_email"].lower():
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return False
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elif operator == "is" and operand == "private":
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if message["type"] != "private":
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return False
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elif operator == "is" and operand in ["starred"]:
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if operand not in flags:
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return False
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elif operator == "is" and operand == "unread":
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if "read" in flags:
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return False
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elif operator == "is" and operand in ["alerted", "mentioned"]:
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if "mentioned" not in flags:
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return False
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return True
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return narrow_filter
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