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04e2745136
Also, fixed up the annotations for tornadoviews to better align with how narrows was defined as `Iterable[Sequence[str]]` rather than `List[Tuple[str, str]]`.
49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
from zerver.lib.request import JsonableError
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from django.utils.translation import ugettext as _
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from typing import Iterable, Sequence, Callable, Dict
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from six import text_type
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def check_supported_events_narrow_filter(narrow):
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# type: (Iterable[Sequence[text_type]]) -> 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 build_narrow_filter(narrow):
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# type: (Iterable[Sequence[text_type]]) -> Callable[[Dict[text_type, text_type]], bool]
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check_supported_events_narrow_filter(narrow)
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def narrow_filter(event):
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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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if operand.lower() != message["subject"].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 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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