file_info(query) -- print some human readable information of a given file

def file_info(query):
	"""file_info(query) -- print some human readable information of a given file
	"""
	filename = support.get_file_name(query)
	if(os.path.isfile(filename)):
		stat_info = os.stat(filename)
		owner_name = pwd.getpwuid(stat_info.st_uid).pw_name
		print 'owner : ' + owner_name
		file_size = support.get_readable_filesize(stat_info.st_size)
		print 'size : ' + file_size
		print 'created : ' + time.ctime(stat_info.st_ctime)
		print 'last modified : ' + time.ctime(stat_info.st_mtime)
	else:
		print 'file not found'