Freelog 125/Freelog_MarsAvril2015_No125.iso/Musique/Quod Libet/quodlibet-3.3.0-installer.exe/bin/uu.pyc

Python Compiled Bytecode | 2014-12-31 | 4KB | 164 lines

# Source Generated with Decompyle++
# File: in.pyc (Python 2.7)

'''Implementation of the UUencode and UUdecode functions.

encode(in_file, out_file [,name, mode])
decode(in_file [, out_file, mode])
'''
import binascii
import os
import sys
__all__ = [
    'Error',
    'encode',
    'decode']

class Error(Exception):
    pass


def encode(in_file, out_file, name = None, mode = None):
    '''Uuencode file'''
    opened_files = []

    try:
        if in_file == '-':
            in_file = sys.stdin
        elif isinstance(in_file, basestring):
            if name is None:
                name = os.path.basename(in_file)
            if mode is None:

                try:
                    mode = os.stat(in_file).st_mode
                except AttributeError:
                    pass


            in_file = open(in_file, 'rb')
            opened_files.append(in_file)
        if out_file == '-':
            out_file = sys.stdout
        elif isinstance(out_file, basestring):
            out_file = open(out_file, 'wb')
            opened_files.append(out_file)
        if name is None:
            name = '-'
        if mode is None:
            mode = 438
        out_file.write('begin %o %s\n' % (mode & 511, name))
        data = in_file.read(45)
        while len(data) > 0:
            out_file.write(binascii.b2a_uu(data))
            data = in_file.read(45)
        out_file.write(' \nend\n')
    finally:
        for f in opened_files:
            f.close()




def decode(in_file, out_file = None, mode = None, quiet = 0):
    '''Decode uuencoded file'''
    opened_files = []
    if in_file == '-':
        in_file = sys.stdin
    elif isinstance(in_file, basestring):
        in_file = open(in_file)
        opened_files.append(in_file)

    try:
        while True:
            hdr = in_file.readline()
            if not hdr:
                raise Error('No valid begin line found in input file')
            if not hdr.startswith('begin'):
                continue
            hdrfields = hdr.split(' ', 2)
            if len(hdrfields) == 3 and hdrfields[0] == 'begin':

                try:
                    int(hdrfields[1], 8)
                except ValueError:
                    pass


            if out_file is None:
                out_file = hdrfields[2].rstrip()
                if os.path.exists(out_file):
                    raise Error('Cannot overwrite existing file: %s' % out_file)
            if mode is None:
                mode = int(hdrfields[1], 8)
            if out_file == '-':
                out_file = sys.stdout
            elif isinstance(out_file, basestring):
                fp = open(out_file, 'wb')

                try:
                    os.path.chmod(out_file, mode)
                except AttributeError:
                    pass

                out_file = fp
                opened_files.append(out_file)
            s = in_file.readline()
            while s and s.strip() != 'end':

                try:
                    data = binascii.a2b_uu(s)
                except binascii.Error:
                    v = None
                    nbytes = ((ord(s[0]) - 32 & 63) * 4 + 5) // 3
                    data = binascii.a2b_uu(s[:nbytes])
                    if not quiet:
                        sys.stderr.write('Warning: %s\n' % v)


                out_file.write(data)
                s = in_file.readline()
            if not s:
                raise Error('Truncated input file')
        for f in opened_files:
            f.close()

        return None



def test():
    '''uuencode/uudecode main program'''
    import optparse as optparse
    parser = optparse.OptionParser(usage = 'usage: %prog [-d] [-t] [input [output]]')
    parser.add_option('-d', '--decode', dest = 'decode', help = 'Decode (instead of encode)?', default = False, action = 'store_true')
    parser.add_option('-t', '--text', dest = 'text', help = 'data is text, encoded format unix-compatible text?', default = False, action = 'store_true')
    (options, args) = parser.parse_args()
    if len(args) > 2:
        parser.error('incorrect number of arguments')
        sys.exit(1)
    input = sys.stdin
    output = sys.stdout
    if len(args) > 0:
        input = args[0]
    if len(args) > 1:
        output = args[1]
    if options.decode:
        if options.text:
            if isinstance(output, basestring):
                output = open(output, 'w')
            else:
                print sys.argv[0], ': cannot do -t to stdout'
                sys.exit(1)
        decode(input, output)
    elif options.text:
        if isinstance(input, basestring):
            input = open(input, 'r')
        else:
            print sys.argv[0], ': cannot do -t from stdin'
            sys.exit(1)
    encode(input, output)

if __name__ == '__main__':
    test()