Revert "lib/oe/log_colorizer.py: add LogColorizerProxyProgressHandler"

This reverts commit 312fb3c86a3d84e60867b132666c01859f73ceb2 as this
wasn't meant to merge as yet.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oe/log_colorizer.py

@@ -1,86 +0,0 @@
-# Copyright (C) 2020  Agilent Technologies, Inc.
-# Author: Chris Laplante <chris.laplante@agilent.com>
-#
-# Released under the MIT license (see COPYING.MIT)
-
-from bb.progress import ProgressHandler
-from bb.build import create_progress_handler
-import contextlib
-import re
-import os.path
-
-# from https://stackoverflow.com/a/14693789/221061
-ansi_escape = re.compile(r'\x1B\[[0-?]*[ -/]*[@-~]')
-
-
-class LogColorizerProxyProgressHandler(ProgressHandler):
-    """
-    This is a proxy progress handler. It intercepts log output, stripping any
-    ANSII color escape codes. Then the stripped output is fed to the task's
-    original progress handler which will render the progress bar as usual.
-    """
-    def __init__(self, d, outfile=None, otherargs=None):
-        self._task = d.getVar("BB_RUNTASK")
-        self._color_log = None
-        self._nocolor_log = None
-        self._exit_stack = None
-        self._original_ph = None
-
-        self._suppress_color_output = not not d.getVar("LOG_COLORIZER_SUPPRESS_COLORIZED_OUTPUT")
-
-        self._tempdir = d.getVar("T")
-        logfmt = (d.getVar('BB_LOGFMT') or 'log.{task}.{pid}')
-        self._logbasename = logfmt.format(task=self._task, pid=os.getpid())
-
-        # Setup courtesy symlinks
-        for suffix in [".nocolor", ".color"]:
-            loglink = os.path.join(self._tempdir, 'log.{0}{1}'.format(self._task, suffix))
-            logfn = os.path.join(self._tempdir, self._logbasename + suffix)
-            if loglink:
-                bb.utils.remove(loglink)
-
-                try:
-                    os.symlink(self._logbasename + suffix, loglink)
-                except OSError:
-                    pass
-
-        super().__init__(d, outfile)
-
-    def __enter__(self):
-        with contextlib.ExitStack() as es:
-            self._color_log = es.enter_context(open(os.path.join(self._tempdir, self._logbasename) + ".color", "w"))
-            self._nocolor_log = es.enter_context(open(os.path.join(self._tempdir, self._logbasename) + ".nocolor", "w"))
-
-            # Reconstitute the original progress handler. We will feed stripped output to it so
-            # that the progress bar still shows up for the task.
-            original_ph = self._data.getVarFlag(self._task, "originalprogress")
-            if original_ph:
-                # We don't want task output showing up on the screen twice, so we'll just have
-                # the original progress handler write to /dev/null.
-                # Note the progress handler itself is responsible for closing the devnull handler.
-                devnull = open("/dev/null", "w")
-                self._original_ph = es.enter_context(create_progress_handler(self._task, original_ph, devnull, self._data))
-
-            self._exit_stack = es.pop_all()
-        super().__enter__()
-
-    def __exit__(self, *exc_info):
-        if self._exit_stack:
-            self._exit_stack.__exit__(*exc_info)
-        super().__exit__(*exc_info)
-
-    def write(self, string):
-        # Filter out ANSI escape sequences using the regular expression
-        filtered = ansi_escape.sub('', string)
-
-        if self._color_log:
-            self._color_log.write(string)
-
-        if self._nocolor_log:
-            self._nocolor_log.write(filtered)
-
-        if self._original_ph:
-            # Pass-through to the original progress handler so we get our progress bar
-            self._original_ph.write(filtered)
-
-        super().write(filtered if self._suppress_color_output else string)