Function _get_zlib_decompress_func

Lib/zipimport.py:560–582

()

# be imported. The function is cached when found, so subsequent calls
# don't import zlib again.
def _get_zlib_decompress_func():
    global _zlib_decompress
    if _zlib_decompress:
        return _zlib_decompress

    global _importing_zlib
    if _importing_zlib:
        # Someone has a zlib.py[co] in their Zip file
        # let's avoid a stack overflow.
        _bootstrap._verbose_message('zipimport: zlib UNAVAILABLE')
        raise ZipImportError("can't decompress data; zlib not available")

    _importing_zlib = True
    try:
        from zlib import decompress as _zlib_decompress
    except Exception:
        _bootstrap._verbose_message('zipimport: zlib UNAVAILABLE')
        raise ZipImportError("can't decompress data; zlib not available")
    finally:
        _importing_zlib = False

    _bootstrap._verbose_message('zipimport: zlib available')
    return _zlib_decompress


_importing_zstd = False