C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// """Implements (a subset of) Sun XDR -- eXternal Data Representation. See: RFC 1014 """ import struct from io import BytesIO from functools import wraps import warnings warnings._deprecated(__name__, remove=(3, 13)) __all__ = ["Error", "Packer", "Unpacker", "ConversionError"] # exceptions class Error(Exception): """Exception class for this module. Use: except xdrlib.Error as var: # var has the Error instance for the exception Public ivars: msg -- contains the message """ def __init__(self, msg): self.msg = msg def __repr__(self): return repr(self.msg) def __str__(self): return str(self.msg) class ConversionError(Error): pass def raise_conversion_error(function): """ Wrap any raised struct.errors in a ConversionError. """ @wraps(function) def result(self, value): try: return function(self, value) except struct.error as e: raise ConversionError(e.args[0]) from None return result class Packer: """Pack various data representations into a buffer.""" def __init__(self): self.reset() def reset(self): self.__buf = BytesIO() def get_buffer(self): return self.__buf.getvalue() # backwards compatibility get_buf = get_buffer @raise_conversion_error def pack_uint(self, x): self.__buf.write(struct.pack('>L', x)) @raise_conversion_error def pack_int(self, x): self.__buf.write(struct.pack('>l', x)) pack_enum = pack_int def pack_bool(self, x): if x: self.__buf.write(b'\0\0\0\1') else: self.__buf.write(b'\0\0\0\0') def pack_uhyper(self, x): try: self.pack_uint(x>>32 & 0xffffffff) except (TypeError, struct.error) as e: raise ConversionError(e.args[0]) from None try: self.pack_uint(x & 0xffffffff) except (TypeError, struct.error) as e: raise ConversionError(e.args[0]) from None pack_hyper = pack_uhyper @raise_conversion_error def pack_float(self, x): self.__buf.write(struct.pack('>f', x)) @raise_conversion_error def pack_double(self, x): self.__buf.write(struct.pack('>d', x)) def pack_fstring(self, n, s): if n < 0: raise ValueError('fstring size must be nonnegative') data = s[:n] n = ((n+3)//4)*4 data = data + (n - len(data)) * b'\0' self.__buf.write(data) pack_fopaque = pack_fstring def pack_string(self, s): n = len(s) self.pack_uint(n) self.pack_fstring(n, s) pack_opaque = pack_string pack_bytes = pack_string def pack_list(self, list, pack_item): for item in list: self.pack_uint(1) pack_item(item) self.pack_uint(0) def pack_farray(self, n, list, pack_item): if len(list) != n: raise ValueError('wrong array size') for item in list: pack_item(item) def pack_array(self, list, pack_item): n = len(list) self.pack_uint(n) self.pack_farray(n, list, pack_item) class Unpacker: """Unpacks various data representations from the given buffer.""" def __init__(self, data): self.reset(data) def reset(self, data): self.__buf = data self.__pos = 0 def get_position(self): return self.__pos def set_position(self, position): self.__pos = position def get_buffer(self): return self.__buf def done(self): if self.__pos < len(self.__buf): raise Error('unextracted data remains') def unpack_uint(self): i = self.__pos self.__pos = j = i+4 data = self.__buf[i:j] if len(data) < 4: raise EOFError return struct.unpack('>L', data)[0] def unpack_int(self): i = self.__pos self.__pos = j = i+4 data = self.__buf[i:j] if len(data) < 4: raise EOFError return struct.unpack('>l', data)[0] unpack_enum = unpack_int def unpack_bool(self): return bool(self.unpack_int()) def unpack_uh