From 1d9b9f9adaf7a3b7582c243643c6405d4f5cd135 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Fri, 4 Nov 2016 08:04:53 +0100 Subject: New upstream version 2.5.1 --- script/scons-configure-cache | 139 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 script/scons-configure-cache (limited to 'script/scons-configure-cache') diff --git a/script/scons-configure-cache b/script/scons-configure-cache new file mode 100644 index 0000000..a376b2d --- /dev/null +++ b/script/scons-configure-cache @@ -0,0 +1,139 @@ +#! /usr/bin/env python +# +# SCons - a Software Constructor +# +# Copyright (c) 2001 - 2016 The SCons Foundation +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +__revision__ = "src/script/scons-configure-cache.py rel_2.5.1:3735:9dc6cee5c168 2016/11/03 14:02:02 bdbaddog" + +__version__ = "2.5.1" + +__build__ = "rel_2.5.1:3735:9dc6cee5c168[MODIFIED]" + +__buildsys__ = "mongodog" + +__date__ = "2016/11/03 14:02:02" + +__developer__ = "bdbaddog" + +import argparse +import glob +import json +import os + +def rearrange_cache_entries(current_prefix_len, new_prefix_len): + print 'Changing prefix length from', current_prefix_len, 'to', new_prefix_len + dirs = set() + old_dirs = set() + for file in glob.iglob(os.path.join('*', '*')): + name = os.path.basename(file) + dir = name[:current_prefix_len].upper() + if dir not in old_dirs: + print 'Migrating', dir + old_dirs.add(dir) + dir = name[:new_prefix_len].upper() + if dir not in dirs: + os.mkdir(dir) + dirs.add(dir) + os.rename(file, os.path.join(dir, name)) + + # Now delete the original directories + for dir in old_dirs: + os.rmdir(dir) + +# This dictionary should have one entry per entry in the cache config +# Each entry should have the following: +# implicit - (optional) This is to allow adding a new config entry and also +# changing the behaviour of the system at the same time. This +# indicates the value the config entry would have had if it had been +# specified. +# default - The value the config entry should have if it wasn't previously +# specified +# command-line - parameters to pass to ArgumentParser.add_argument +# converter - (optional) Function to call if it's necessary to do some work +# if this configuration entry changes +config_entries = { + 'prefix_len' : { + 'implicit' : 1, + 'default' : 2 , + 'command-line' : { + 'help' : 'Length of cache file name used as subdirectory prefix', + 'metavar' : '', + 'type' : int + }, + 'converter' : rearrange_cache_entries + } +} +parser = argparse.ArgumentParser( + description = 'Modify the configuration of an scons cache directory', + epilog = ''' + Unless you specify an option, it will not be changed (if it is + already set in the cache config), or changed to an appropriate + default (it it is not set). + ''' + ) + +parser.add_argument('cache-dir', help='Path to scons cache directory') +for param in config_entries: + parser.add_argument('--' + param.replace('_', '-'), + **config_entries[param]['command-line']) +parser.add_argument('--version', action='version', version='%(prog)s 1.0') + +# Get the command line as a dict without any of the unspecified entries. +args = dict(filter(lambda x: x[1], vars(parser.parse_args()).items())) + +# It seems somewhat strange to me, but positional arguments don't get the - +# in the name changed to _, whereas optional arguments do... +os.chdir(args['cache-dir']) +del args['cache-dir'] + +if not os.path.exists('config'): + # Validate the only files in the directory are directories 0-9, a-f + expected = [ '{:X}'.format(x) for x in range(0, 16) ] + if not set(os.listdir('.')).issubset(expected): + raise RuntimeError("This doesn't look like a version 1 cache directory") + config = dict() +else: + with open('config') as conf: + config = json.load(conf) + +# Find any keys that aren't currently set but should be +for key in config_entries: + if key not in config: + if 'implicit' in config_entries[key]: + config[key] = config_entries[key]['implicit'] + else: + config[key] = config_entries[key]['default'] + if key not in args: + args[key] = config_entries[key]['default'] + +#Now we go through each entry in args to see if it changes an existing config +#setting. +for key in args: + if args[key] != config[key]: + if 'converter' in config_entries[key]: + config_entries[key]['converter'](config[key], args[key]) + config[key] = args[key] + +# and write the updated config file +with open('config', 'w') as conf: + json.dump(config, conf) \ No newline at end of file -- cgit v1.2.3