File Explorer

/proc/thread-self/root/proc/self/root/lib64/python3.9/encodings

This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.

uu_codec.py2.8 KB · 104 lines
"""Python 'uu_codec' Codec - UU content transfer encoding. This codec de/encodes from bytes to bytes. Written by Marc-Andre Lemburg (mal@lemburg.com). Some details wereadapted from uu.py which was written by Lance Ellinghouse andmodified by Jack Jansen and Fredrik Lundh.""" import codecsimport binasciifrom io import BytesIO ### Codec APIs def uu_encode(input, errors='strict', filename='<data>', mode=0o666):    assert errors == 'strict'    infile = BytesIO(input)    outfile = BytesIO()    read = infile.read    write = outfile.write     # Remove newline chars from filename    filename = filename.replace('\n','\\n')    filename = filename.replace('\r','\\r')     # Encode    write(('begin %o %s\n' % (mode & 0o777, filename)).encode('ascii'))    chunk = read(45)    while chunk:        write(binascii.b2a_uu(chunk))        chunk = read(45)    write(b' \nend\n')     return (outfile.getvalue(), len(input)) def uu_decode(input, errors='strict'):    assert errors == 'strict'    infile = BytesIO(input)    outfile = BytesIO()    readline = infile.readline    write = outfile.write     # Find start of encoded data    while 1:        s = readline()        if not s:            raise ValueError('Missing "begin" line in input data')        if s[:5] == b'begin':            break     # Decode    while True:        s = readline()        if not s or s == b'end\n':            break        try:            data = binascii.a2b_uu(s)        except binascii.Error as v:            # Workaround for broken uuencoders by /Fredrik Lundh            nbytes = (((s[0]-32) & 63) * 4 + 5) // 3            data = binascii.a2b_uu(s[:nbytes])            #sys.stderr.write("Warning: %s\n" % str(v))        write(data)    if not s:        raise ValueError('Truncated input data')     return (outfile.getvalue(), len(input)) class Codec(codecs.Codec):    def encode(self, input, errors='strict'):        return uu_encode(input, errors)     def decode(self, input, errors='strict'):        return uu_decode(input, errors) class IncrementalEncoder(codecs.IncrementalEncoder):    def encode(self, input, final=False):        return uu_encode(input, self.errors)[0] class IncrementalDecoder(codecs.IncrementalDecoder):    def decode(self, input, final=False):        return uu_decode(input, self.errors)[0] class StreamWriter(Codec, codecs.StreamWriter):    charbuffertype = bytes class StreamReader(Codec, codecs.StreamReader):    charbuffertype = bytes ### encodings module API def getregentry():    return codecs.CodecInfo(        name='uu',        encode=uu_encode,        decode=uu_decode,        incrementalencoder=IncrementalEncoder,        incrementaldecoder=IncrementalDecoder,        streamreader=StreamReader,        streamwriter=StreamWriter,        _is_text_encoding=False,    )