mergeFastqs.py 文件源码

def merge_files(groups, outdir):
    """
    Merge files that belong to the same filename group.

    Merged files are created in the output directory.

    Args:
        groups: Dictionary of filename groups from `group_filenames`.
        outdir: Output path for merged files.
    """

    logger = logging.getLogger("mergeFQs." + "merge")

    for groupname, filenames in groups.iteritems():
        logger.info("Merging group " + groupname + " with " +
                    str(len(filenames)) + " files...")
        outpath = os.path.join(outdir, groupname)
        logger.info("Creating merge file " + outpath + "...")
        with open(outpath, "wb") as outfile:
            for filename in filenames:
                logger.info("Adding " + filename + "...")
                with open(filename, "rb") as fq_file:
                    shutil.copyfileobj(fq_file, outfile)