x FdZddlZddlZddlZdZdZd dZdZdZdZ y) z-Helper functions for commonly used utilities.Nc:|jd}|dk7r||dSy)azIdentify and extract PEM keys. Determines whether the given key is in the format of PEM key, and extracts the relevant part of the key if it is. Args: raw_key_input: The contents of a private key file (either PEM or PKCS12). Returns: string, The actual key if the contents are from a PEM file, or else None. s -----BEGIN N)find) raw_key_inputoffsets (lib/third_party/oauth2client/_helpers.py_parse_pem_keyr s-   /F |VW%%c0tj|dS)N),:) separators)jsondumps)datas r _json_encoder)s ::dz 22r ct|tjr|j|n|}t|tjr|St dj |)a4Converts a string value to bytes, if necessary. Unfortunately, ``six.b`` is insufficient for this task since in Python2 it does not modify ``unicode`` objects. Args: value: The string/bytes value to be converted. encoding: The encoding to use to convert unicode to bytes. Defaults to "ascii", which will not allow any characters from ordinals larger than 127. Other useful values are "latin-1", which which will only allows byte ordinals (up to 255) and "utf-8", which will encode any unicode that needs to be. Returns: The original value converted to bytes (if unicode) or as passed in if it started out as bytes. Raises: ValueError if the value could not be converted to bytes. z%{0!r} could not be converted to bytes) isinstancesix text_typeencode binary_type ValueErrorformat)valueencodingresults r _to_bytesr-sR,E3==1ll8$7< &#//* @GGNOOr ct|tjr|jdn|}t|tjr|St dj |)aEConverts bytes to a string value, if necessary. Args: value: The string/bytes value to be converted. Returns: The original value converted to unicode (if bytes) or as passed in if it started out as unicode. Raises: ValueError if the value could not be converted to unicode. utf-8z'{0!r} could not be converted to unicode)rrrdecoderrr)rrs r _from_bytesr"JsXE3??3ll7#9> &#--(  5 < r4s34 &&3P:E,< ,r