python版的读取声音文件到常量数组

    通常我们播放声音文件的时候会通过脚本读取所有的声音文件，然后放到数组里面，然后生成int型的索引，这样播放的时候就不直接传声音名字了，

而是这样playMusic( MUICS_BG_1 }， playSound( SE_DOG ); 这样无论声音格式如何变化，代码都无需改变。

之前都是Perl写的，这次为了和其他人保持一致改成python版的了，貌似没啥区别。贴代码备份

总目录media，下列 video, music, sound 三个目录，分别是视频，背景音和音效

#Auther: lancer
#Data: 2011-6-7
#Function: Get name of all media files from folder and process it, then write to another file as array format.
#Version: 1.00


#Modified
#Version: 1.01
#Data: 


import os
import re
import shutil


media_path = "C:\\workspace\\bada\\PigeonSquadron\\trunk\\code\\res\\media\\"
to_process_file = "C:\\workspace\\bada\\PigeonSquadron\\trunk\\code\\src\\native\\inc\\bada\SoundEngine.h"


index_prefix = '#define '
max_suffix = '_MAPPING_COUNT'


print media_path




code_array_list = []


def add_define(name, filelist):
index = 0
code_array_list.append(index_prefix + '' + 'SOUND_NONE  ' + str(-1) + '\n')
for file in filelist:
if not re.match('.svn\Z', file):
file = name + '_' + file.replace(' ','')
file = re.sub('(.mp3|.aac|.wma|.m4a|.xmf|.3ga|.mmf|.mid|.wav|.amr|.mp4)\Z', '', file)
file = file.upper()
file = index_prefix + file + ' ' + str(index) + '\n'
code_array_list.append(file)
index += 1
count = index_prefix + name.upper() + max_suffix + ' ' + str(index) + '\n\n'
code_array_list.append(count)

#static char* s_videoFiles[ VIDEO_MAPPING_COUNT ] =
#{
# "badaBI.mp4",
#};
def add_array(name, filelist):
  start = 'static char* s_' + name + 'Files[ ' + name.upper() + max_suffix + ' ] = ' + '\n{\n'
  end = '};\n\n'
  code_array_list.append(start);
  for file in filelist:
  if not re.match('.svn\Z', file):
  code_array_list.append('  "' + file + '",\n');
  code_array_list.append(end);
  
def process_folder(name):
filelist = os.listdir(media_path+name)
# print filelist
add_define(name, filelist)
add_array(name, filelist)

#read files from media folder and compose to list
list_files = os.listdir(media_path)
#cmd = "dir /A-D /B"
#list_file = os.popen(cmd).readlines();
#print list_files
for folder in list_files:
if folder=='sound' or folder=='music' or folder=='video':
# print "found path:"+folder
process_folder(folder)
else:
print "useless folder: " + folder

#for line in code_array_list:
# print line


file_to_write = 'temp.txt'
ignore_input = False
#open code file that include sound list and replace it
readf = file(to_process_file, 'r') # open for read
writef = file(file_to_write, 'w') # open for write
while True:
line = readf.readline()
if len(line) == 0: # Zero length indicates EOF
break
# print line,
if not ignore_input:
writef.write(line) # write text to file
if re.match('\A//# sound list to be processed start', line):
ignore_input = True
else:
if re.match('\A//# sound list to be processed end', line):
ignore_input = False
for item in code_array_list:
writef.write(item)
writef.write(line) # write text to file
# Notice comma to avoid automatic newline added by Python
readf.close() # close the file
writef.close();


shutil.move(file_to_write, to_process_file)