Add colored output feature to subunit-trace
This commit enables that subunit-trace shows colored output. Because there are some people who like colored output. While this doesn't work for the OpenStack gate for local testing it would be nice to appease those folks and have a --color flag that adds different colors on the console output from subunit-trace. Change-Id: Iac48591786d10c908d63e6df94b979ded7d8dbe1 Closes-Bug: #1519044
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@ -17,6 +17,7 @@
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# under the License.
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"""Trace a subunit stream in reasonable detail and high accuracy."""
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from __future__ import absolute_import
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import argparse
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import datetime
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@ -28,6 +29,8 @@ import sys
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import subunit
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import testtools
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from os_testr.utils import colorizer
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# NOTE(mtreinish) on python3 anydbm was renamed dbm and the python2 dbm module
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# was renamed to dbm.ndbm, this block takes that into account
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try:
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@ -148,7 +151,8 @@ def find_test_run_time_diff(test_id, run_time):
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def show_outcome(stream, test, print_failures=False, failonly=False,
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enable_diff=False, threshold='0', abbreviate=False):
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enable_diff=False, threshold='0', abbreviate=False,
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enable_color=False):
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global RESULTS
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status = test['status']
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# TODO(sdague): ask lifeless why on this?
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@ -167,19 +171,29 @@ def show_outcome(stream, test, print_failures=False, failonly=False,
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if name == 'process-returncode':
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return
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for color in [colorizer.AnsiColorizer, colorizer.NullColorizer]:
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if not enable_color:
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color = colorizer.NullColorizer(stream)
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break
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if color.supported():
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color = color(stream)
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break
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if status == 'fail':
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FAILS.append(test)
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if abbreviate:
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stream.write('F')
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color.write('F', 'red')
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else:
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stream.write('{%s} %s [%s] ... FAILED\n' % (
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stream.write('{%s} %s [%s] ... ' % (
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worker, name, duration))
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color.write('FAILED', 'red')
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stream.write('\n')
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if not print_failures:
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print_attachments(stream, test, all_channels=True)
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elif not failonly:
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if status == 'success':
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if abbreviate:
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stream.write('.')
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color.write('.', 'green')
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else:
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out_string = '{%s} %s [%s' % (worker, name, duration)
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perc_diff = find_test_run_time_diff(test['id'], duration)
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@ -189,17 +203,22 @@ def show_outcome(stream, test, print_failures=False, failonly=False,
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out_string = out_string + ' +%.2f%%' % perc_diff
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else:
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out_string = out_string + ' %.2f%%' % perc_diff
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stream.write(out_string + '] ... ok\n')
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stream.write(out_string + '] ... ')
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color.write('ok', 'green')
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stream.write('\n')
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print_attachments(stream, test)
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elif status == 'skip':
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if abbreviate:
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stream.write('S')
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color.write('S', 'blue')
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else:
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reason = test['details'].get('reason', '')
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if reason:
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reason = ': ' + reason.as_text()
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stream.write('{%s} %s ... SKIPPED%s\n' % (
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worker, name, reason))
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stream.write('{%s} %s ... ' % (
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worker, name))
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color.write('SKIPPED', 'blue')
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stream.write('%s' % (reason))
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stream.write('\n')
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else:
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if abbreviate:
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stream.write('%s' % test['status'][0])
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@ -320,6 +339,8 @@ def parse_args():
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parser.add_argument('--no-summary', action='store_true',
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help="Don't print the summary of the test run after "
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" completes")
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parser.add_argument('--color', action='store_true',
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help="Print results with colors")
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return parser.parse_args()
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@ -332,7 +353,8 @@ def main():
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print_failures=args.print_failures,
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failonly=args.failonly,
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enable_diff=args.enable_diff,
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abbreviate=args.abbreviate))
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abbreviate=args.abbreviate,
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enable_color=args.color))
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summary = testtools.StreamSummary()
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result = testtools.CopyStreamResult([outcomes, summary])
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result = testtools.StreamResultRouter(result)
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0
os_testr/utils/__init__.py
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0
os_testr/utils/__init__.py
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98
os_testr/utils/colorizer.py
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98
os_testr/utils/colorizer.py
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@ -0,0 +1,98 @@
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# Copyright 2015 NEC Corporation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# Colorizer Code is borrowed from Twisted:
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# Copyright (c) 2001-2010 Twisted Matrix Laboratories.
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import sys
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class AnsiColorizer(object):
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"""A colorizer is an object that loosely wraps around a stream
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allowing callers to write text to the stream in a particular color.
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Colorizer classes must implement C{supported()} and C{write(text, color)}.
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"""
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_colors = dict(black=30, red=31, green=32, yellow=33,
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blue=34, magenta=35, cyan=36, white=37)
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def __init__(self, stream):
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self.stream = stream
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@classmethod
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def supported(cls, stream=sys.stdout):
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"""Check the current platform supports coloring terminal output
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A class method that returns True if the current platform supports
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coloring terminal output using this method. Returns False otherwise.
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"""
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if not stream.isatty():
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return False # auto color only on TTYs
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try:
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import curses
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except ImportError:
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return False
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else:
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try:
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try:
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return curses.tigetnum("colors") > 2
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except curses.error:
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curses.setupterm()
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return curses.tigetnum("colors") > 2
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except Exception:
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# guess false in case of error
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return False
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def write(self, text, color):
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"""Write the given text to the stream in the given color.
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@param text: Text to be written to the stream.
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@param color: A string label for a color. e.g. 'red', 'white'.
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"""
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color = self._colors[color]
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self.stream.write('\x1b[%s;1m%s\x1b[0m' % (color, text))
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class NullColorizer(object):
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"""See _AnsiColorizer docstring."""
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def __init__(self, stream):
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self.stream = stream
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@classmethod
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def supported(cls, stream=sys.stdout):
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return True
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def write(self, text, color):
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self.stream.write(text)
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