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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/master/LICENSE
import sys
from pylint.constants import MSG_TYPES
from pylint.exceptions import InvalidMessageError
from pylint.utils import normalize_text
class MessageDefinition:
def __init__(
self,
checker,
msgid,
msg,
description,
symbol,
scope,
minversion=None,
maxversion=None,
old_names=None,
):
self.checker_name = checker.name
self.check_msgid(msgid)
self.msgid = msgid
self.symbol = symbol
self.msg = msg
self.description = description
self.scope = scope
self.minversion = minversion
self.maxversion = maxversion
self.old_names = []
if old_names:
for old_msgid, old_symbol in old_names:
self.check_msgid(old_msgid)
self.old_names.append([old_msgid, old_symbol])
@staticmethod
def check_msgid(msgid: str) -> None:
if len(msgid) != 5:
raise InvalidMessageError(f"Invalid message id {msgid!r}")
if msgid[0] not in MSG_TYPES:
raise InvalidMessageError(f"Bad message type {msgid[0]} in {msgid!r}")
def __repr__(self):
return f"MessageDefinition:{self.symbol} ({self.msgid})"
def __str__(self):
return f"{repr(self)}:\n{self.msg} {self.description}"
def may_be_emitted(self):
"""return True if message may be emitted using the current interpreter"""
if self.minversion is not None and self.minversion > sys.version_info:
return False
if self.maxversion is not None and self.maxversion <= sys.version_info:
return False
return True
def format_help(self, checkerref=False):
"""return the help string for the given message id"""
desc = self.description
if checkerref:
desc += " This message belongs to the %s checker." % self.checker_name
title = self.msg
if self.minversion or self.maxversion:
restr = []
if self.minversion:
restr.append("< %s" % ".".join([str(n) for n in self.minversion]))
if self.maxversion:
restr.append(">= %s" % ".".join([str(n) for n in self.maxversion]))
restr = " or ".join(restr)
if checkerref:
desc += " It can't be emitted when using Python %s." % restr
else:
desc += " This message can't be emitted when using Python %s." % restr
msg_help = normalize_text(" ".join(desc.split()), indent=" ")
message_id = f"{self.symbol} ({self.msgid})"
if title != "%s":
title = title.splitlines()[0]
return ":{}: *{}*\n{}".format(message_id, title.rstrip(" "), msg_help)
return f":{message_id}:\n{msg_help}"
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