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249 lines
7.9 KiB
Python
249 lines
7.9 KiB
Python
# Copyright (c) 2006-2007, 2010-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
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# Copyright (c) 2012-2014 Google, Inc.
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# Copyright (c) 2014 Brett Cannon <brett@python.org>
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# Copyright (c) 2014 Arun Persaud <arun@nubati.net>
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# Copyright (c) 2015-2018, 2020 Claudiu Popa <pcmanticore@gmail.com>
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# Copyright (c) 2015 Florian Bruhin <me@the-compiler.org>
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# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
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# Copyright (c) 2016 y2kbugger <y2kbugger@users.noreply.github.com>
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# Copyright (c) 2018-2019 Nick Drozd <nicholasdrozd@gmail.com>
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# Copyright (c) 2018 Sushobhit <31987769+sushobhit27@users.noreply.github.com>
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# Copyright (c) 2018 Jace Browning <jacebrowning@gmail.com>
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# Copyright (c) 2019-2020 Pierre Sassoulas <pierre.sassoulas@gmail.com>
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# Copyright (c) 2019 Hugo van Kemenade <hugovk@users.noreply.github.com>
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# 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/master/COPYING
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"""Plain text reporters:
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:text: the default one grouping messages by module
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:colorized: an ANSI colorized text reporter
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"""
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import os
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import sys
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import warnings
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from pylint import utils
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from pylint.interfaces import IReporter
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from pylint.reporters import BaseReporter
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from pylint.reporters.ureports.text_writer import TextWriter
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TITLE_UNDERLINES = ["", "=", "-", "."]
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ANSI_PREFIX = "\033["
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ANSI_END = "m"
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ANSI_RESET = "\033[0m"
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ANSI_STYLES = {
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"reset": "0",
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"bold": "1",
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"italic": "3",
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"underline": "4",
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"blink": "5",
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"inverse": "7",
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"strike": "9",
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}
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ANSI_COLORS = {
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"reset": "0",
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"black": "30",
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"red": "31",
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"green": "32",
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"yellow": "33",
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"blue": "34",
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"magenta": "35",
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"cyan": "36",
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"white": "37",
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}
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def _get_ansi_code(color=None, style=None):
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"""return ansi escape code corresponding to color and style
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:type color: str or None
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:param color:
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the color name (see `ANSI_COLORS` for available values)
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or the color number when 256 colors are available
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:type style: str or None
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:param style:
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style string (see `ANSI_COLORS` for available values). To get
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several style effects at the same time, use a coma as separator.
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:raise KeyError: if an unexistent color or style identifier is given
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:rtype: str
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:return: the built escape code
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"""
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ansi_code = []
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if style:
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style_attrs = utils._splitstrip(style)
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for effect in style_attrs:
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ansi_code.append(ANSI_STYLES[effect])
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if color:
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if color.isdigit():
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ansi_code.extend(["38", "5"])
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ansi_code.append(color)
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else:
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ansi_code.append(ANSI_COLORS[color])
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if ansi_code:
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return ANSI_PREFIX + ";".join(ansi_code) + ANSI_END
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return ""
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def colorize_ansi(msg, color=None, style=None):
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"""colorize message by wrapping it with ansi escape codes
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:type msg: str or unicode
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:param msg: the message string to colorize
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:type color: str or None
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:param color:
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the color identifier (see `ANSI_COLORS` for available values)
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:type style: str or None
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:param style:
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style string (see `ANSI_COLORS` for available values). To get
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several style effects at the same time, use a coma as separator.
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:raise KeyError: if an unexistent color or style identifier is given
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:rtype: str or unicode
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:return: the ansi escaped string
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"""
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# If both color and style are not defined, then leave the text as is
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if color is None and style is None:
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return msg
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escape_code = _get_ansi_code(color, style)
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# If invalid (or unknown) color, don't wrap msg with ansi codes
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if escape_code:
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return "%s%s%s" % (escape_code, msg, ANSI_RESET)
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return msg
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class TextReporter(BaseReporter):
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"""Reports messages and layouts in plain text"""
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__implements__ = IReporter
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name = "text"
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extension = "txt"
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line_format = "{path}:{line}:{column}: {msg_id}: {msg} ({symbol})"
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def __init__(self, output=None):
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BaseReporter.__init__(self, output)
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self._modules = set()
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self._template = None
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def on_set_current_module(self, module, filepath):
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self._template = str(self.linter.config.msg_template or self.line_format)
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def write_message(self, msg):
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"""Convenience method to write a formatted message with class default template"""
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self.writeln(msg.format(self._template))
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def handle_message(self, msg):
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"""manage message of different type and in the context of path"""
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if msg.module not in self._modules:
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if msg.module:
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self.writeln("************* Module %s" % msg.module)
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self._modules.add(msg.module)
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else:
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self.writeln("************* ")
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self.write_message(msg)
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def _display(self, layout):
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"""launch layouts display"""
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print(file=self.out)
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TextWriter().format(layout, self.out)
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class ParseableTextReporter(TextReporter):
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"""a reporter very similar to TextReporter, but display messages in a form
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recognized by most text editors :
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<filename>:<linenum>:<msg>
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"""
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name = "parseable"
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line_format = "{path}:{line}: [{msg_id}({symbol}), {obj}] {msg}"
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def __init__(self, output=None):
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warnings.warn(
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"%s output format is deprecated. This is equivalent "
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"to --msg-template=%s" % (self.name, self.line_format),
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DeprecationWarning,
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)
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TextReporter.__init__(self, output)
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class VSTextReporter(ParseableTextReporter):
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"""Visual studio text reporter"""
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name = "msvs"
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line_format = "{path}({line}): [{msg_id}({symbol}){obj}] {msg}"
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class ColorizedTextReporter(TextReporter):
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"""Simple TextReporter that colorizes text output"""
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name = "colorized"
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COLOR_MAPPING = {
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"I": ("green", None),
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"C": (None, "bold"),
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"R": ("magenta", "bold, italic"),
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"W": ("magenta", None),
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"E": ("red", "bold"),
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"F": ("red", "bold, underline"),
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"S": ("yellow", "inverse"), # S stands for module Separator
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}
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def __init__(self, output=None, color_mapping=None):
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TextReporter.__init__(self, output)
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self.color_mapping = color_mapping or dict(ColorizedTextReporter.COLOR_MAPPING)
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ansi_terms = ["xterm-16color", "xterm-256color"]
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if os.environ.get("TERM") not in ansi_terms:
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if sys.platform == "win32":
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# pylint: disable=import-error,import-outside-toplevel
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import colorama
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self.out = colorama.AnsiToWin32(self.out)
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def _get_decoration(self, msg_id):
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"""Returns the tuple color, style associated with msg_id as defined
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in self.color_mapping
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"""
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try:
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return self.color_mapping[msg_id[0]]
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except KeyError:
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return None, None
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def handle_message(self, msg):
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"""manage message of different types, and colorize output
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using ansi escape codes
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"""
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if msg.module not in self._modules:
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color, style = self._get_decoration("S")
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if msg.module:
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modsep = colorize_ansi(
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"************* Module %s" % msg.module, color, style
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)
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else:
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modsep = colorize_ansi("************* %s" % msg.module, color, style)
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self.writeln(modsep)
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self._modules.add(msg.module)
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color, style = self._get_decoration(msg.C)
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msg = msg._replace(
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**{
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attr: colorize_ansi(getattr(msg, attr), color, style)
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for attr in ("msg", "symbol", "category", "C")
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}
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)
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self.write_message(msg)
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def register(linter):
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"""Register the reporter classes with the linter."""
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linter.register_reporter(TextReporter)
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linter.register_reporter(ParseableTextReporter)
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linter.register_reporter(VSTextReporter)
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linter.register_reporter(ColorizedTextReporter)
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