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#!/usr/bin/python
# -*- coding: utf8 -*-
# __________ __ ___.
# Open \______ \ ____ ____ | | _\_ |__ _______ ___
# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
# \/ \/ \/ \/ \/
#
# Copyright © 2010 Rafaël Carré <rafael.carre@gmail>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# TODO: iram
import sys
import os
import re
import stat
import fnmatch
def percent_diff(old, new):
if old == 0:
return '?'
diff = 100.0*(new-old)/old
return format(diff, '+2.2f') + '%'
def find_map(dir):
dirs = []
for file in os.listdir(dir):
path = os.path.join(dir, file)
if stat.S_ISDIR(os.stat(path).st_mode) != 0:
dirs += find_map(path)
elif fnmatch.fnmatch(file, '*.map'):
dirs += [path]
return dirs
def rb_version(dir):
info = os.path.join(dir, 'rockbox-info.txt')
if not os.path.lexists(info):
return 'unknown'
info = open(info).read()
s = re.search('^Version: .*', info, re.MULTILINE)
if not s:
return 'unknown'
return re.sub('^Version: ', '', info[s.start():s.end()])
def map_info(map):
file = os.path.basename(map)
name = file.rsplit('.map', 1)[0]
# ignore ape-pre map, used to fill IRAM
if name == 'ape-pre':
return None
# ignore overlays
ovlmap = os.path.join(os.path.dirname(map), name, file)
if os.path.lexists(ovlmap):
return None
f = open(map).read() # read map content
s = re.search('^PLUGIN_RAM *0x(\d|[abcdef])*', f, re.MULTILINE)
plugin_start = re.sub('^PLUGIN_RAM *0x0*', '', f[s.start():s.end()])
s = re.search('^\.pluginend *0x(\d|[abcdef])*', f, re.MULTILINE)
plugin_end = re.sub('^\.pluginend *0x0*', '', f[s.start():s.end()])
size = int(plugin_end, 16) - int(plugin_start, 16)
return (name, size)
def get_new(oldinfo, newinfo, name):
i = 0
while i < len(oldinfo) and i < len(newinfo):
if newinfo[i][0] == name:
return newinfo[i]
i += 1
return None
def compare(olddir, newdir, oldver, newer):
oldinfo = []
for map in find_map(olddir):
info = map_info(map)
if info:
oldinfo += [info]
newinfo = []
for map in find_map(newdir):
info = map_info(map)
if info:
newinfo += [info]
oldinfo.sort()
newinfo.sort()
diff = []
longest_name = 0
for (name, old_size) in oldinfo:
new = get_new(oldinfo, newinfo, name)
if not new:
continue
(name, new_size) = new
if len(name) > longest_name:
longest_name = len(name)
diff += [(name, new_size - old_size, old_size)]
spacelen = (longest_name + 3)
print(' ' * spacelen + oldver + '\t\t' + newver + '\n')
for (name, diff, old_size) in diff:
space = ' ' * (longest_name - len(name) + 3)
new_size = old_size + diff
pdiff = percent_diff(old_size, new_size)
diff = str(diff)
if diff[0] != '-':
diff = '+' + diff
print(name + space + str(old_size) + '\t' + diff + \
'\t=\t' + str(new_size) + '\t-->\t' + pdiff)
### main
if len(sys.argv) != 3:
print('Usage: ' + sys.argv[0] + ' build-old build-new')
sys.exit(1)
oldver = rb_version(sys.argv[1])
newver = rb_version(sys.argv[2])
oldplugindir = sys.argv[1] + '/apps/plugins'
newplugindir = sys.argv[2] + '/apps/plugins'
oldcodecsdir = sys.argv[1] + '/apps/codecs'
newcodecsdir = sys.argv[2] + '/apps/codecs'
if os.path.lexists(oldplugindir) and os.path.lexists(newplugindir):
compare(oldplugindir, newplugindir, oldver, newver)
print('\n\n\n')
if os.path.lexists(oldcodecsdir) and os.path.lexists(newcodecsdir):
compare(oldcodecsdir, newcodecsdir, oldver, newver)
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