mirror of
https://git.yoctoproject.org/poky
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Alexandru N. Onea
cb1fbec4d9
This patch adds a basic implementation of a progress handler for the perforce fetcher, based on the number of files to be downloaded and the output behavior of the p4 print command used in the fetcher implementation. (Bitbake rev: f0582292bf79b0988048683dfd086aa3b9787344) Signed-off-by: Alexandru N. Onea <onea.alex@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
224 lines
7.6 KiB
Python
224 lines
7.6 KiB
Python
"""
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BitBake 'Fetch' implementation for perforce
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"""
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# Copyright (C) 2003, 2004 Chris Larson
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# Copyright (C) 2016 Kodak Alaris, Inc.
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#
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# Based on functions from the base bb module, Copyright 2003 Holger Schurig
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import os
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import bb
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from bb.fetch2 import FetchMethod
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from bb.fetch2 import FetchError
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from bb.fetch2 import logger
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from bb.fetch2 import runfetchcmd
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class PerforceProgressHandler (bb.progress.BasicProgressHandler):
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"""
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Implements basic progress information for perforce, based on the number of
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files to be downloaded.
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The p4 print command will print one line per file, therefore it can be used
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to "count" the number of files already completed and give an indication of
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the progress.
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"""
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def __init__(self, d, num_files):
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self._num_files = num_files
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self._count = 0
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super(PerforceProgressHandler, self).__init__(d)
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# Send an initial progress event so the bar gets shown
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self._fire_progress(-1)
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def write(self, string):
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self._count = self._count + 1
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percent = int(100.0 * float(self._count) / float(self._num_files))
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# In case something goes wrong, we try to preserve our sanity
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if percent > 100:
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percent = 100
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self.update(percent)
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super(PerforceProgressHandler, self).write(string)
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class Perforce(FetchMethod):
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""" Class to fetch from perforce repositories """
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def supports(self, ud, d):
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""" Check to see if a given url can be fetched with perforce. """
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return ud.type in ['p4']
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def urldata_init(self, ud, d):
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"""
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Initialize perforce specific variables within url data. If P4CONFIG is
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provided by the env, use it. If P4PORT is specified by the recipe, use
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its values, which may override the settings in P4CONFIG.
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"""
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ud.basecmd = d.getVar("FETCHCMD_p4") or "/usr/bin/env p4"
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ud.dldir = d.getVar("P4DIR") or (d.getVar("DL_DIR") + "/p4")
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path = ud.url.split('://')[1]
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path = path.split(';')[0]
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delim = path.find('@');
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if delim != -1:
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(ud.user, ud.pswd) = path.split('@')[0].split(':')
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ud.path = path.split('@')[1]
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else:
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ud.path = path
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ud.usingp4config = False
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p4port = d.getVar('P4PORT')
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if p4port:
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logger.debug(1, 'Using recipe provided P4PORT: %s' % p4port)
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ud.host = p4port
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else:
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logger.debug(1, 'Trying to use P4CONFIG to automatically set P4PORT...')
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ud.usingp4config = True
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p4cmd = '%s info | grep "Server address"' % ud.basecmd
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bb.fetch2.check_network_access(d, p4cmd, ud.url)
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ud.host = runfetchcmd(p4cmd, d, True)
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ud.host = ud.host.split(': ')[1].strip()
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logger.debug(1, 'Determined P4PORT to be: %s' % ud.host)
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if not ud.host:
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raise FetchError('Could not determine P4PORT from P4CONFIG')
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if ud.path.find('/...') >= 0:
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ud.pathisdir = True
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else:
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ud.pathisdir = False
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cleanedpath = ud.path.replace('/...', '').replace('/', '.')
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cleanedhost = ud.host.replace(':', '.')
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ud.pkgdir = os.path.join(ud.dldir, cleanedhost, cleanedpath)
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ud.setup_revisions(d)
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ud.localfile = d.expand('%s_%s_%s.tar.gz' % (cleanedhost, cleanedpath, ud.revision))
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def _buildp4command(self, ud, d, command, depot_filename=None):
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"""
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Build a p4 commandline. Valid commands are "changes", "print", and
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"files". depot_filename is the full path to the file in the depot
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including the trailing '#rev' value.
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"""
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p4opt = ""
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if ud.user:
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p4opt += ' -u "%s"' % (ud.user)
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if ud.pswd:
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p4opt += ' -P "%s"' % (ud.pswd)
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if ud.host and not ud.usingp4config:
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p4opt += ' -p %s' % (ud.host)
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if hasattr(ud, 'revision') and ud.revision:
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pathnrev = '%s@%s' % (ud.path, ud.revision)
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else:
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pathnrev = '%s' % (ud.path)
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if depot_filename:
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if ud.pathisdir: # Remove leading path to obtain filename
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filename = depot_filename[len(ud.path)-1:]
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else:
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filename = depot_filename[depot_filename.rfind('/'):]
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filename = filename[:filename.find('#')] # Remove trailing '#rev'
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if command == 'changes':
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p4cmd = '%s%s changes -m 1 //%s' % (ud.basecmd, p4opt, pathnrev)
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elif command == 'print':
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if depot_filename is not None:
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p4cmd = '%s%s print -o "p4/%s" "%s"' % (ud.basecmd, p4opt, filename, depot_filename)
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else:
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raise FetchError('No depot file name provided to p4 %s' % command, ud.url)
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elif command == 'files':
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p4cmd = '%s%s files //%s' % (ud.basecmd, p4opt, pathnrev)
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else:
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raise FetchError('Invalid p4 command %s' % command, ud.url)
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return p4cmd
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def _p4listfiles(self, ud, d):
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"""
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Return a list of the file names which are present in the depot using the
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'p4 files' command, including trailing '#rev' file revision indicator
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"""
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p4cmd = self._buildp4command(ud, d, 'files')
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bb.fetch2.check_network_access(d, p4cmd, ud.url)
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p4fileslist = runfetchcmd(p4cmd, d, True)
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p4fileslist = [f.rstrip() for f in p4fileslist.splitlines()]
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if not p4fileslist:
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raise FetchError('Unable to fetch listing of p4 files from %s@%s' % (ud.host, ud.path))
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count = 0
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filelist = []
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for filename in p4fileslist:
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item = filename.split(' - ')
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lastaction = item[1].split()
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logger.debug(1, 'File: %s Last Action: %s' % (item[0], lastaction[0]))
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if lastaction[0] == 'delete':
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continue
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filelist.append(item[0])
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return filelist
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def download(self, ud, d):
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""" Get the list of files, fetch each one """
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filelist = self._p4listfiles(ud, d)
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if not filelist:
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raise FetchError('No files found in depot %s@%s' % (ud.host, ud.path))
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bb.utils.remove(ud.pkgdir, True)
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bb.utils.mkdirhier(ud.pkgdir)
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progresshandler = PerforceProgressHandler(d, len(filelist))
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for afile in filelist:
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p4fetchcmd = self._buildp4command(ud, d, 'print', afile)
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bb.fetch2.check_network_access(d, p4fetchcmd, ud.url)
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runfetchcmd(p4fetchcmd, d, workdir=ud.pkgdir, log=progresshandler)
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runfetchcmd('tar -czf %s p4' % (ud.localpath), d, cleanup=[ud.localpath], workdir=ud.pkgdir)
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def clean(self, ud, d):
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""" Cleanup p4 specific files and dirs"""
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bb.utils.remove(ud.localpath)
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bb.utils.remove(ud.pkgdir, True)
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def supports_srcrev(self):
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return True
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def _revision_key(self, ud, d, name):
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""" Return a unique key for the url """
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return 'p4:%s' % ud.pkgdir
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def _latest_revision(self, ud, d, name):
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""" Return the latest upstream scm revision number """
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p4cmd = self._buildp4command(ud, d, "changes")
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bb.fetch2.check_network_access(d, p4cmd, ud.url)
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tip = runfetchcmd(p4cmd, d, True)
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if not tip:
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raise FetchError('Could not determine the latest perforce changelist')
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tipcset = tip.split(' ')[1]
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logger.debug(1, 'p4 tip found to be changelist %s' % tipcset)
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return tipcset
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def sortable_revision(self, ud, d, name):
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""" Return a sortable revision number """
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return False, self._build_revision(ud, d)
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def _build_revision(self, ud, d):
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return ud.revision
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