bdist_egg.py 文件源码

def make_zipfile(zip_filename, base_dir, verbose=0, dry_run=0, compress=None,
    mode='w'
):
    """Create a zip file from all the files under 'base_dir'.  The output
    zip file will be named 'base_dir' + ".zip".  Uses either the "zipfile"
    Python module (if available) or the InfoZIP "zip" utility (if installed
    and found on the default search path).  If neither tool is available,
    raises DistutilsExecError.  Returns the name of the output zip file.
    """
    import zipfile
    mkpath(os.path.dirname(zip_filename), dry_run=dry_run)
    log.info("creating '%s' and adding '%s' to it", zip_filename, base_dir)

    def visit(z, dirname, names):
        for name in names:
            path = os.path.normpath(os.path.join(dirname, name))
            if os.path.isfile(path):
                p = path[len(base_dir)+1:]
                if not dry_run:
                    z.write(path, p)
                log.debug("adding '%s'" % p)

    if compress is None:
        compress = (sys.version>="2.4") # avoid 2.3 zipimport bug when 64 bits

    compression = [zipfile.ZIP_STORED, zipfile.ZIP_DEFLATED][bool(compress)]
    if not dry_run:
        z = zipfile.ZipFile(zip_filename, mode, compression=compression)
        for dirname, dirs, files in os.walk(base_dir):
            visit(z, dirname, files)
        z.close()
    else:
        for dirname, dirs, files in os.walk(base_dir):
            visit(None, dirname, files)
    return zip_filename
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