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101 lines
4.1 KiB
Python
101 lines
4.1 KiB
Python
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
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import collections
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from typing import TYPE_CHECKING, Dict, List, Tuple, ValuesView
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from pylint.exceptions import UnknownMessageError
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from pylint.message.message_definition import MessageDefinition
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from pylint.message.message_id_store import MessageIdStore
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if TYPE_CHECKING:
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from pylint.checkers import BaseChecker
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class MessageDefinitionStore:
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"""The messages store knows information about every possible message definition but has
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no particular state during analysis.
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"""
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def __init__(self) -> None:
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self.message_id_store: MessageIdStore = MessageIdStore()
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# Primary registry for all active messages definitions.
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# It contains the 1:1 mapping from msgid to MessageDefinition.
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# Keys are msgid, values are MessageDefinition
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self._messages_definitions: Dict[str, MessageDefinition] = {}
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# MessageDefinition kept by category
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self._msgs_by_category: Dict[str, List[str]] = collections.defaultdict(list)
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@property
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def messages(self) -> ValuesView[MessageDefinition]:
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"""The list of all active messages."""
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return self._messages_definitions.values()
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def register_messages_from_checker(self, checker: "BaseChecker") -> None:
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"""Register all messages definitions from a checker."""
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checker.check_consistency()
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for message in checker.messages:
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self.register_message(message)
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def register_message(self, message: MessageDefinition) -> None:
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"""Register a MessageDefinition with consistency in mind."""
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self.message_id_store.register_message_definition(
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message.msgid, message.symbol, message.old_names
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)
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self._messages_definitions[message.msgid] = message
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self._msgs_by_category[message.msgid[0]].append(message.msgid)
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def get_message_definitions(self, msgid_or_symbol: str) -> List[MessageDefinition]:
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"""Returns the Message definition for either a numeric or symbolic id."""
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return [
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self._messages_definitions[m]
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for m in self.message_id_store.get_active_msgids(msgid_or_symbol)
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]
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def get_msg_display_string(self, msgid_or_symbol: str) -> str:
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"""Generates a user-consumable representation of a message."""
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message_definitions = self.get_message_definitions(msgid_or_symbol)
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if len(message_definitions) == 1:
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return repr(message_definitions[0].symbol)
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return repr([md.symbol for md in message_definitions])
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def help_message(self, msgids_or_symbols: List[str]) -> None:
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"""Display help messages for the given message identifiers"""
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for msgids_or_symbol in msgids_or_symbols:
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try:
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for message_definition in self.get_message_definitions(
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msgids_or_symbol
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):
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print(message_definition.format_help(checkerref=True))
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print("")
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except UnknownMessageError as ex:
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print(ex)
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print("")
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continue
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def list_messages(self) -> None:
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"""Output full messages list documentation in ReST format."""
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emittable, non_emittable = self.find_emittable_messages()
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print("Emittable messages with current interpreter:")
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for msg in emittable:
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print(msg.format_help(checkerref=False))
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print("\nNon-emittable messages with current interpreter:")
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for msg in non_emittable:
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print(msg.format_help(checkerref=False))
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print("")
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def find_emittable_messages(
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self,
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) -> Tuple[List[MessageDefinition], List[MessageDefinition]]:
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"""Finds all emittable and non-emittable messages"""
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messages = sorted(self._messages_definitions.values(), key=lambda m: m.msgid)
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emittable = []
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non_emittable = []
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for message in messages:
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if message.may_be_emitted():
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emittable.append(message)
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else:
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non_emittable.append(message)
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return emittable, non_emittable
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