136 lines
5.0 KiB
Python
Executable File
136 lines
5.0 KiB
Python
Executable File
#!/usr/bin/env python3
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"""\
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This module formats the package version and copyright information for the
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viewer and its dependent packages.
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$LicenseInfo:firstyear=2014&license=viewerlgpl$
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Second Life Viewer Source Code
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Copyright (C) 2014, Linden Research, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation;
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version 2.1 of the License only.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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$/LicenseInfo$
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"""
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import os
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import sys
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import errno
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import re
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import subprocess
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import argparse
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parser = argparse.ArgumentParser(description='Format dependency version and copyright information for the viewer About box content')
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parser.add_argument('channel', help='viewer channel name')
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parser.add_argument('version', help='viewer version number')
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args = parser.parse_args()
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_autobuild=os.getenv('AUTOBUILD', 'autobuild')
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_autobuild_env=os.environ.copy()
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# Coerce stdout encoding to utf-8 as cygwin's will be detected as cp1252 otherwise.
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_autobuild_env["PYTHONIOENCODING"] = "utf-8"
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pkg_line=re.compile('^([\w-]+):\s+(.*)$')
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def autobuild(*args):
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"""
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Launch autobuild with specified command-line arguments.
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Return its stdout pipe from which the caller can read.
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"""
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# subprocess wants a list, not a tuple
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command = [_autobuild] + list(args)
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try:
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child = subprocess.Popen(command,
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stdin=None, stdout=subprocess.PIPE,
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universal_newlines=True, env=_autobuild_env)
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except OSError as err:
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if err.errno != errno.ENOENT:
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# Don't attempt to interpret anything but ENOENT
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raise
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# Here it's ENOENT: subprocess can't find the autobuild executable.
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sys.exit("packages-formatter on %s: can't run autobuild:\n%s\n%s" % \
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(sys.platform, ' '.join(command), err))
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# no exceptions yet, let caller read stdout
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return child.stdout
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info=dict(versions={}, copyrights={})
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dups=dict(versions=set(), copyrights=set())
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def add_info(key, pkg, lines):
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if pkg not in info[key]:
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info[key][pkg] = '\n'.join(lines)
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# <FS:Ansariel> Only add as duplicate of the version is duplicate and the copyright string does not match
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#else:
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elif info[key][pkg] != '\n'.join(lines):
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# </FS:Ansariel>
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dups[key].add(pkg)
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versions=autobuild('install', '--versions')
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copyrights=autobuild('install', '--copyrights')
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viewer_copyright = copyrights.readline() # first line is the copyright for the viewer itself
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# Two different autobuild outputs, but we treat them essentially the same way:
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# populating each into a dict; each a subdict of 'info'.
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for key, rawdata in ("versions", versions), ("copyrights", copyrights):
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lines = iter(rawdata)
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try:
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line = next(lines)
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except StopIteration:
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# rawdata is completely empty? okay...
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pass
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else:
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pkg_info = pkg_line.match(line)
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# The first line for each package must match pkg_line.
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if not pkg_info:
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sys.exit("Unrecognized --%s output: %r" % (key, line))
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# Only the very first line in rawdata MUST match; for the rest of
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# rawdata, matching the regexp is how we recognize the start of the
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# next package.
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while True: # iterate over packages in rawdata
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pkg = pkg_info.group(1)
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pkg_lines = [pkg_info.group(2).strip()]
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for line in lines:
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pkg_info = pkg_line.match(line)
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if pkg_info:
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# we hit the start of the next package data
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add_info(key, pkg, pkg_lines)
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break
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else:
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# no package prefix: additional line for same package
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pkg_lines.append(line.rstrip())
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else:
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# last package in the output -- finished 'lines'
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add_info(key, pkg, pkg_lines)
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break
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# Now that we've run through all of both outputs -- are there duplicates?
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if any(pkgs for pkgs in list(dups.values())):
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for key, pkgs in list(dups.items()):
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if pkgs:
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print("Duplicate %s for %s" % (key, ", ".join(pkgs)), file=sys.stderr)
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sys.exit(1)
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print("%s %s" % (args.channel, args.version))
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print(viewer_copyright)
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version = list(info['versions'].items())
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version.sort()
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for pkg, pkg_version in version:
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print(': '.join([pkg, pkg_version]))
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try:
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print(info['copyrights'][pkg])
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except KeyError:
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sys.exit("No copyright for %s" % pkg)
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print()
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