U ڲg@s~dZddlZddlZejeefZeejeefdddZeeeej edddZ eeed d d Z eeed d d Z dS)z0Functions that load and write PEM-encoded files.N) pem_markerreturncCs,t|ts|d}d|dd|dfS)z: Returns the start and end PEM markers, as bytes. asciis -----BEGIN s-----s -----END ) isinstancebytesencode)rr+/tmp/pip-unpacked-wheel-1z1vrokf/rsa/pem.py_markerss     r )contents pem_startpem_endrccsd}d}|D]^}|}|s"q||krD|r:td|d}d}q|sJq|r^||kr^d}qpd|krhq|Vq|std||rtd|dS)z7Generator over PEM lines between pem_start and pem_end.FzSeen start marker "%r" twiceT:zNo PEM start marker "%r" foundzNo PEM end marker "%r" foundN) splitlinesstrip ValueError)r r r Z in_pem_partZseen_pem_startlinerrr _pem_lines&s0    r)r rrcCsJt|ts|d}t|\}}ddt|||D}d|}t|S)aLoads a PEM file. :param contents: the contents of the file to interpret :param pem_marker: the marker of the PEM content, such as 'RSA PRIVATE KEY' when your file has '-----BEGIN RSA PRIVATE KEY-----' and '-----END RSA PRIVATE KEY-----' markers. :return: the base64-decoded content between the start and end markers. @raise ValueError: when the content is invalid, for example when the start marker cannot be found. rcSsg|]}|qSrr).0rrrr gszload_pem..)rrrr rjoinbase64standard_b64decode)r rr r pem_linesZpemrrr load_pemSs     rcCsrt|\}}t|dd}|g}tdt|dD]}|||d}||q4|||dd|S)ajSaves a PEM file. :param contents: the contents to encode in PEM format :param pem_marker: the marker of the PEM content, such as 'RSA PRIVATE KEY' when your file has '-----BEGIN RSA PRIVATE KEY-----' and '-----END RSA PRIVATE KEY-----' markers. :return: the base64-encoded content between the start and end markers, as bytes.  rr@)r rstandard_b64encodereplacerangelenappendr)r rr r Zb64rZ block_startblockrrr save_pemns    r$) __doc__rtypingUnionstrrZ FlexiTextTupler Iteratorrrr$rrrr s-