448 lines
17 KiB
Python
Executable File
448 lines
17 KiB
Python
Executable File
#!/usr/bin/env python3
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# encoding: utf-8
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#
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# https://github.com/munki/macadmin-scripts/blob/master/installinstallmacos.py
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#
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# Copyright 2017 Greg Neagle.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Thanks to Tim Sutton for ideas, suggestions, and sample code.
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#
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# Updated in May of 2019 by Dhiru Kholia.
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'''installinstallmacos.py
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A tool to download the parts for an Install macOS app from Apple's
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softwareupdate servers and install a functioning Install macOS app onto an
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empty disk image'''
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# https://github.com/foxlet/macOS-Simple-KVM/blob/master/tools/FetchMacOS/fetch-macos.py
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# is pretty similar.
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# Bad hack
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import warnings
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warnings.filterwarnings("ignore", category=DeprecationWarning)
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import os
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import gzip
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import argparse
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import plistlib
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import subprocess
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from xml.dom import minidom
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from xml.parsers.expat import ExpatError
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import sys
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if sys.version_info[0] < 3:
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import urlparse as urlstuff
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else:
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import urllib.parse as urlstuff
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# Quick fix for python 3.9 and above
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if sys.version_info[0] == 3 and sys.version_info[1] >= 9:
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from types import MethodType
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def readPlist(self,filepath):
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with open(filepath, 'rb') as f:
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p = plistlib._PlistParser(dict)
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rootObject = p.parse(f)
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return rootObject
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# adding the method readPlist() to plistlib
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plistlib.readPlist = MethodType(readPlist, plistlib)
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# https://github.com/foxlet/macOS-Simple-KVM/blob/master/tools/FetchMacOS/fetch-macos.py (unused)
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# https://github.com/munki/macadmin-scripts
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catalogs = {
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"CustomerSeed": "https://swscan.apple.com/content/catalogs/others/index-10.16customerseed-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog",
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"DeveloperSeed": "https://swscan.apple.com/content/catalogs/others/index-10.16seed-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog",
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"PublicSeed": "https://swscan.apple.com/content/catalogs/others/index-10.16beta-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog",
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"PublicRelease": "https://swscan.apple.com/content/catalogs/others/index-10.16-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog",
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"20": "https://swscan.apple.com/content/catalogs/others/index-11-10.15-10.14-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog"
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}
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def get_default_catalog():
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'''Returns the default softwareupdate catalog for the current OS'''
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return catalogs["20"]
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# return catalogs["PublicRelease"]
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# return catalogs["DeveloperSeed"]
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class ReplicationError(Exception):
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'''A custom error when replication fails'''
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pass
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def cmd_exists(cmd):
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return subprocess.Popen("type " + cmd, shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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def replicate_url(full_url,
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root_dir='/tmp',
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show_progress=False,
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ignore_cache=False,
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attempt_resume=False, installer=False, product_title=""):
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'''Downloads a URL and stores it in the same relative path on our
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filesystem. Returns a path to the replicated file.'''
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# hack
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print("[+] Fetching %s" % full_url)
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if installer and "BaseSystem.dmg" not in full_url and "Big Sur" not in product_title:
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return
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if "Big Sur" in product_title and "InstallAssistant.pkg" not in full_url:
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return
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attempt_resume = True
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# path = urllib.parse.urlsplit(full_url)[2]
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path = urlstuff.urlsplit(full_url)[2]
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relative_url = path.lstrip('/')
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relative_url = os.path.normpath(relative_url)
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# local_file_path = os.path.join(root_dir, relative_url)
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local_file_path = relative_url
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# print("Downloading %s..." % full_url)
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if cmd_exists('wget'):
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if not installer:
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download_cmd = ['wget', "-c", "--quiet", "-x", "-nH", full_url]
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# this doesn't work as there are multiple metadata files with the same name!
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# download_cmd = ['wget', "-c", "--quiet", full_url]
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else:
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download_cmd = ['wget', "-c", full_url]
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else:
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if not installer:
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download_cmd = ['curl', "--silent", "--show-error", "-o", local_file_path, "--create-dirs", full_url]
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else:
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local_file_path = os.path.basename(local_file_path)
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download_cmd = ['curl', "-o", local_file_path, full_url]
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try:
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subprocess.check_call(download_cmd)
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except subprocess.CalledProcessError as err:
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raise ReplicationError(err)
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return local_file_path
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def parse_server_metadata(filename):
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'''Parses a softwareupdate server metadata file, looking for information
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of interest.
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Returns a dictionary containing title, version, and description.'''
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title = ''
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vers = ''
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try:
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md_plist = plistlib.readPlist(filename)
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except (OSError, IOError, ExpatError) as err:
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print('Error reading %s: %s' % (filename, err), file=sys.stderr)
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return {}
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vers = md_plist.get('CFBundleShortVersionString', '')
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localization = md_plist.get('localization', {})
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preferred_localization = (localization.get('English') or
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localization.get('en'))
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if preferred_localization:
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title = preferred_localization.get('title', '')
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metadata = {}
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metadata['title'] = title
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metadata['version'] = vers
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"""
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{'title': 'macOS Mojave', 'version': '10.14.5'}
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{'title': 'macOS Mojave', 'version': '10.14.6'}
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"""
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return metadata
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def get_server_metadata(catalog, product_key, workdir, ignore_cache=False):
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'''Replicate ServerMetaData'''
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try:
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url = catalog['Products'][product_key]['ServerMetadataURL']
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try:
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smd_path = replicate_url(
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url, root_dir=workdir, ignore_cache=ignore_cache)
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return smd_path
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except ReplicationError as err:
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print('Could not replicate %s: %s' % (url, err), file=sys.stderr)
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return None
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except KeyError:
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# print('Malformed catalog.', file=sys.stderr)
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return None
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def parse_dist(filename):
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'''Parses a softwareupdate dist file, returning a dict of info of
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interest'''
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dist_info = {}
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try:
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dom = minidom.parse(filename)
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except ExpatError:
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print('Invalid XML in %s' % filename, file=sys.stderr)
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return dist_info
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except IOError as err:
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print('Error reading %s: %s' % (filename, err), file=sys.stderr)
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return dist_info
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titles = dom.getElementsByTagName('title')
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if titles:
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dist_info['title_from_dist'] = titles[0].firstChild.wholeText
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auxinfos = dom.getElementsByTagName('auxinfo')
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if not auxinfos:
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return dist_info
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auxinfo = auxinfos[0]
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key = None
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value = None
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children = auxinfo.childNodes
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# handle the possibility that keys from auxinfo may be nested
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# within a 'dict' element
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dict_nodes = [n for n in auxinfo.childNodes
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if n.nodeType == n.ELEMENT_NODE and
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n.tagName == 'dict']
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if dict_nodes:
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children = dict_nodes[0].childNodes
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for node in children:
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if node.nodeType == node.ELEMENT_NODE and node.tagName == 'key':
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key = node.firstChild.wholeText
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if node.nodeType == node.ELEMENT_NODE and node.tagName == 'string':
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value = node.firstChild.wholeText
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if key and value:
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dist_info[key] = value
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key = None
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value = None
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return dist_info
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def download_and_parse_sucatalog(sucatalog, workdir, ignore_cache=False):
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'''Downloads and returns a parsed softwareupdate catalog'''
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try:
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localcatalogpath = replicate_url(
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sucatalog, root_dir=workdir, ignore_cache=ignore_cache)
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except ReplicationError as err:
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print('Could not replicate %s: %s' % (sucatalog, err), file=sys.stderr)
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exit(-1)
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if os.path.splitext(localcatalogpath)[1] == '.gz':
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with gzip.open(localcatalogpath) as the_file:
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content = the_file.read()
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try:
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catalog = plistlib.readPlistFromString(content)
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return catalog
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except ExpatError as err:
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print('Error reading %s: %s' % (localcatalogpath, err), file=sys.stderr)
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exit(-1)
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else:
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try:
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catalog = plistlib.readPlist(localcatalogpath)
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return catalog
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except (OSError, IOError, ExpatError) as err:
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print('Error reading %s: %s' % (localcatalogpath, err), file=sys.stderr)
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exit(-1)
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def find_mac_os_installers(catalog):
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'''Return a list of product identifiers for what appear to be macOS
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installers'''
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mac_os_installer_products = []
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if 'Products' in catalog:
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for product_key in catalog['Products'].keys():
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product = catalog['Products'][product_key]
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try:
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if product['ExtendedMetaInfo'][
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'InstallAssistantPackageIdentifiers']:
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mac_os_installer_products.append(product_key)
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except KeyError:
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continue
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return mac_os_installer_products
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def os_installer_product_info(catalog, workdir, ignore_cache=False):
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'''Returns a dict of info about products that look like macOS installers'''
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product_info = {}
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installer_products = find_mac_os_installers(catalog)
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for product_key in installer_products:
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product_info[product_key] = {}
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filename = get_server_metadata(catalog, product_key, workdir)
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if filename:
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product_info[product_key] = parse_server_metadata(filename)
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else:
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# print('No server metadata for %s' % product_key)
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product_info[product_key]['title'] = None
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product_info[product_key]['version'] = None
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product = catalog['Products'][product_key]
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product_info[product_key]['PostDate'] = product['PostDate']
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distributions = product['Distributions']
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dist_url = distributions.get('English') or distributions.get('en')
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try:
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dist_path = replicate_url(
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dist_url, root_dir=workdir, ignore_cache=ignore_cache)
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except ReplicationError as err:
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print('Could not replicate %s: %s' % (dist_url, err),
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file=sys.stderr)
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else:
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dist_info = parse_dist(dist_path)
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product_info[product_key]['DistributionPath'] = dist_path
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product_info[product_key].update(dist_info)
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if not product_info[product_key]['title']:
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product_info[product_key]['title'] = dist_info.get('title_from_dist')
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if not product_info[product_key]['version']:
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product_info[product_key]['version'] = dist_info.get('VERSION')
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return product_info
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def replicate_product(catalog, product_id, workdir, ignore_cache=False, product_title=""):
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'''Downloads all the packages for a product'''
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product = catalog['Products'][product_id]
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for package in product.get('Packages', []):
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# TO-DO: Check 'Size' attribute and make sure
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# we have enough space on the target
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# filesystem before attempting to download
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if 'URL' in package:
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try:
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replicate_url(
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package['URL'], root_dir=workdir,
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show_progress=True, ignore_cache=ignore_cache,
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attempt_resume=(not ignore_cache), installer=True, product_title=product_title)
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except ReplicationError as err:
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print('Could not replicate %s: %s' % (package['URL'], err), file=sys.stderr)
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exit(-1)
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if 'MetadataURL' in package:
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try:
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replicate_url(package['MetadataURL'], root_dir=workdir,
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ignore_cache=ignore_cache, installer=True)
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except ReplicationError as err:
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print('Could not replicate %s: %s' % (package['MetadataURL'], err), file=sys.stderr)
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exit(-1)
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def find_installer_app(mountpoint):
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'''Returns the path to the Install macOS app on the mountpoint'''
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applications_dir = os.path.join(mountpoint, 'Applications')
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for item in os.listdir(applications_dir):
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if item.endswith('.app'):
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return os.path.join(applications_dir, item)
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return None
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def determine_version(version, product_info):
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if version:
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if version == 'latest':
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from distutils.version import StrictVersion
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latest_version = StrictVersion('0.0.0')
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for index, product_id in enumerate(product_info):
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d = product_info[product_id]['version']
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if d > latest_version:
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latest_version = d
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if latest_version == StrictVersion("0.0.0"):
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print("Could not find latest version {}")
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exit(1)
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version = str(latest_version)
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for index, product_id in enumerate(product_info):
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v = product_info[product_id]['version']
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if v == version:
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return product_id, product_info[product_id]['title']
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print("Could not find version {}. Versions available are:".format(version))
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for _, pid in enumerate(product_info):
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print("- {}".format(product_info[pid]['version']))
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exit(1)
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# display a menu of choices (some seed catalogs have multiple installers)
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print('%2s %12s %10s %11s %s' % ('#', 'ProductID', 'Version',
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'Post Date', 'Title'))
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for index, product_id in enumerate(product_info):
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print('%2s %12s %10s %11s %s' % (
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index + 1,
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product_id,
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product_info[product_id]['version'],
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product_info[product_id]['PostDate'].strftime('%Y-%m-%d'),
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product_info[product_id]['title']
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))
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answer = input(
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'\nChoose a product to download (1-%s): ' % len(product_info))
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try:
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index = int(answer) - 1
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if index < 0:
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raise ValueError
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product_id = list(product_info.keys())[index]
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return product_id, product_info[product_id]['title']
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except (ValueError, IndexError):
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pass
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print('Invalid input provided.')
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exit(0)
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def main():
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'''Do the main thing here'''
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"""
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if os.getuid() != 0:
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sys.exit('This command requires root (to install packages), so please '
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'run again with sudo or as root.')
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"""
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parser = argparse.ArgumentParser()
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parser.add_argument('--workdir', metavar='path_to_working_dir',
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default='.',
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help='Path to working directory on a volume with over '
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'10G of available space. Defaults to current working '
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'directory.')
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parser.add_argument('--version', metavar='version',
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default=None,
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help='The version to download in the format of '
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'"$major.$minor.$patch", e.g. "10.15.4". Can '
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'be "latest" to download the latest version.')
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parser.add_argument('--compress', action='store_true',
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help='Output a read-only compressed disk image with '
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'the Install macOS app at the root. This is now the '
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'default. Use --raw to get a read-write sparse image '
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'with the app in the Applications directory.')
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parser.add_argument('--raw', action='store_true',
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help='Output a read-write sparse image '
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'with the app in the Applications directory. Requires '
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'less available disk space and is faster.')
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parser.add_argument('--ignore-cache', action='store_true',
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help='Ignore any previously cached files.')
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args = parser.parse_args()
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su_catalog_url = get_default_catalog()
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if not su_catalog_url:
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print('Could not find a default catalog url for this OS version.', file=sys.stderr)
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exit(-1)
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# download sucatalog and look for products that are for macOS installers
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catalog = download_and_parse_sucatalog(
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su_catalog_url, args.workdir, ignore_cache=args.ignore_cache)
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product_info = os_installer_product_info(
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catalog, args.workdir, ignore_cache=args.ignore_cache)
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if not product_info:
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print('No macOS installer products found in the sucatalog.', file=sys.stderr)
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exit(-1)
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product_id, product_title = determine_version(args.version, product_info)
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print(product_id, product_title)
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# download all the packages for the selected product
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replicate_product(catalog, product_id, args.workdir, ignore_cache=args.ignore_cache, product_title=product_title)
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if __name__ == '__main__':
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main()
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