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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	622 B	-rw-r--r--
_deleted_message_ids.py	7.44 KB	-rw-r--r--
message.py	2.69 KB	-rw-r--r--
message_definition.py	5.44 KB	-rw-r--r--
message_definition_store.py	4.98 KB	-rw-r--r--
message_id_store.py	6.3 KB	-rw-r--r--

Code Editor : message_definition_store.py

# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt

from __future__ import annotations

import collections
import functools
import sys
from collections.abc import Sequence, ValuesView
from typing import TYPE_CHECKING

from pylint.exceptions import UnknownMessageError
from pylint.message.message_definition import MessageDefinition
from pylint.message.message_id_store import MessageIdStore

if TYPE_CHECKING:
    from pylint.checkers import BaseChecker

class MessageDefinitionStore:

"""The messages store knows information about every possible message definition but
    has no particular state during analysis.
    """

def __init__(
        self, py_version: tuple[int, ...] | sys._version_info = sys.version_info
    ) -> None:
        self.message_id_store: MessageIdStore = MessageIdStore()
        # Primary registry for all active messages definitions.
        # It contains the 1:1 mapping from msgid to MessageDefinition.
        # Keys are msgid, values are MessageDefinition
        self._messages_definitions: dict[str, MessageDefinition] = {}
        # MessageDefinition kept by category
        self._msgs_by_category: dict[str, list[str]] = collections.defaultdict(list)
        self.py_version = py_version

@property
    def messages(self) -> ValuesView[MessageDefinition]:
        """The list of all active messages."""
        return self._messages_definitions.values()

def register_messages_from_checker(self, checker: BaseChecker) -> None:
        """Register all messages definitions from a checker."""
        checker.check_consistency()
        for message in checker.messages:
            self.register_message(message)

def register_message(self, message: MessageDefinition) -> None:
        """Register a MessageDefinition with consistency in mind."""
        self.message_id_store.register_message_definition(
            message.msgid, message.symbol, message.old_names
        )
        self._messages_definitions[message.msgid] = message
        self._msgs_by_category[message.msgid[0]].append(message.msgid)

# Since MessageDefinitionStore is only initialized once
    # and the arguments are relatively small we do not run the
    # risk of creating a large memory leak.
    # See discussion in: https://github.com/PyCQA/pylint/pull/5673
    @functools.lru_cache(  # pylint: disable=method-cache-max-size-none # noqa: B019
        maxsize=None
    )
    def get_message_definitions(self, msgid_or_symbol: str) -> list[MessageDefinition]:
        """Returns the Message definition for either a numeric or symbolic id.

The cache has no limit as its size will likely stay minimal. For each message we store
        about 1000 characters, so even if we would have 1000 messages the cache would only
        take up ~= 1 Mb.
        """
        return [
            self._messages_definitions[m]
            for m in self.message_id_store.get_active_msgids(msgid_or_symbol)
        ]

def get_msg_display_string(self, msgid_or_symbol: str) -> str:
        """Generates a user-consumable representation of a message."""
        message_definitions = self.get_message_definitions(msgid_or_symbol)
        if len(message_definitions) == 1:
            return repr(message_definitions[0].symbol)
        return repr([md.symbol for md in message_definitions])

def help_message(self, msgids_or_symbols: Sequence[str]) -> None:
        """Display help messages for the given message identifiers."""
        for msgids_or_symbol in msgids_or_symbols:
            try:
                for message_definition in self.get_message_definitions(
                    msgids_or_symbol
                ):
                    print(message_definition.format_help(checkerref=True))
                    print("")
            except UnknownMessageError as ex:
                print(ex)
                print("")
                continue

def list_messages(self) -> None:
        """Output full messages list documentation in ReST format."""
        emittable, non_emittable = self.find_emittable_messages()
        print("Emittable messages with current interpreter:")
        for msg in emittable:
            print(msg.format_help(checkerref=False))
        print("\nNon-emittable messages with current interpreter:")
        for msg in non_emittable:
            print(msg.format_help(checkerref=False))
        print("")

def find_emittable_messages(
        self,
    ) -> tuple[list[MessageDefinition], list[MessageDefinition]]:
        """Finds all emittable and non-emittable messages."""
        messages = sorted(self._messages_definitions.values(), key=lambda m: m.msgid)
        emittable = []
        non_emittable = []
        for message in messages:
            if message.may_be_emitted(self.py_version):
                emittable.append(message)
            else:
                non_emittable.append(message)
        return emittable, non_emittable

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Code Editor : message_definition_store.py