| import fnmatch | 
 | import os | 
 | import stringmanipulation | 
 |  | 
 | def fileexist( file_name ): | 
 |     return os.path.isfile(file_name) | 
 |  | 
 | def pathexist( path ): | 
 |     return os.path.exists(path) | 
 |  | 
 | def fixpath( path ): | 
 |     return_value = path | 
 |     if( return_value[len(return_value) - 1] != '/'): | 
 |         return_value = return_value + '/' | 
 |     return return_value | 
 |  | 
 | def listallfilesinfolder( path, extension ): | 
 |     matches = [] | 
 |     signature = '*' + extension | 
 |     for root, dirnames, filenames in os.walk(path): | 
 |         for filename in fnmatch.filter(filenames, signature): | 
 |             matches.append([fixpath(root), filename]) | 
 |     return matches | 
 |  | 
 | def copyfile(to_file, from_file): | 
 |     if(not fileexist(from_file)): | 
 |         return | 
 |     command = 'cp -f ' + from_file + ' ' + to_file | 
 |     os.system(command) | 
 |     #print command | 
 |  | 
 | def deletefile(file_to_delete): | 
 |     if(not fileexist(file_to_delete)): | 
 |         return | 
 |     os.system('rm ' + file_to_delete) | 
 |  | 
 | # very ugly but works, so keep for now | 
 | def findstringinfile(path,file_name,search_string): | 
 |     command = 'grep \'' + search_string + '\' ' + path + file_name + ' > deleteme.txt' | 
 |     return_value = os.system(command) | 
 | #    print command | 
 |     return (return_value == 0) | 
 |  | 
 | def replacestringinfolder( path, old_string, new_string, extension ): | 
 |     if(not stringmanipulation.isextension(extension)): | 
 |         print 'failed to search and replace' | 
 |         return | 
 |     if(len(old_string) == 0): | 
 |         print 'failed to search and replace' | 
 |         return | 
 |     find_command = 'ls '+ path + '/*' + extension | 
 |     sed_command = 'sed -i \'s/' + old_string + '/' + new_string +\ | 
 |                      '/g\' *' + extension | 
 |     command_string = find_command + ' | xargs ' + sed_command + ' 2> deleteme.txt' | 
 |     os.system(command_string) | 
 |     #print command_string | 
 |  | 
 | #find ./ -name "*.h" -type f  | xargs -P 0 sed -i 's/process_thread_wrapper.h/process_thread.h/g' *.h deleteme.txt | 
 | def replacestringinallsubfolders( old_string, new_string, extension): | 
 |     if(not stringmanipulation.isextension(extension)): | 
 |         print 'failed to search and replace' | 
 |         return | 
 |     if(len(old_string) == 0): | 
 |         print 'failed to search and replace' | 
 |         return | 
 |  | 
 |     find_command = 'find ./ -name \"*' + extension + '\" -type f' | 
 |     sed_command = 'sed -i \'s/' + old_string + '/' + new_string +\ | 
 |                      '/g\' *' + extension | 
 |     command_string = find_command + ' | xargs -P 0 ' + sed_command + ' 2> deleteme.txt' | 
 |     os.system(command_string) | 
 |     #print command_string |