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v0.5.1
v0.5.1
https://github.com/python/cpython
Revision 011287854a180abf88effd5cc113e7575f5431a3 authored by Anthony Baxter on 07 January 2002, 06:42:37 UTC, committed by Anthony Baxter on 07 January 2002, 06:42:37 UTC
manually with, e.g.: CC='gcc -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64' ./configure
1 parent 355b98a
Tip revision: 011287854a180abf88effd5cc113e7575f5431a3 authored by Anthony Baxter on 07 January 2002, 06:42:37 UTC
MvL's patch to fix up large file support. You still need to enable it
MvL's patch to fix up large file support. You still need to enable it
Tip revision: 0112878
uu.py
#! /usr/bin/env python
# Copyright 1994 by Lance Ellinghouse
# Cathedral City, California Republic, United States of America.
# All Rights Reserved
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose and without fee is hereby granted,
# provided that the above copyright notice appear in all copies and that
# both that copyright notice and this permission notice appear in
# supporting documentation, and that the name of Lance Ellinghouse
# not be used in advertising or publicity pertaining to distribution
# of the software without specific, written prior permission.
# LANCE ELLINGHOUSE DISCLAIMS ALL WARRANTIES WITH REGARD TO
# THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
# FITNESS, IN NO EVENT SHALL LANCE ELLINGHOUSE CENTRUM BE LIABLE
# FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Modified by Jack Jansen, CWI, July 1995:
# - Use binascii module to do the actual line-by-line conversion
# between ascii and binary. This results in a 1000-fold speedup. The C
# version is still 5 times faster, though.
# - Arguments more compliant with python standard
"""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"""
#
# If in_file is a pathname open it and change defaults
#
if in_file == '-':
in_file = sys.stdin
elif type(in_file) == type(''):
if name is None:
name = os.path.basename(in_file)
if mode is None:
try:
mode = os.stat(in_file)[0]
except AttributeError:
pass
in_file = open(in_file, 'rb')
#
# Open out_file if it is a pathname
#
if out_file == '-':
out_file = sys.stdout
elif type(out_file) == type(''):
out_file = open(out_file, 'w')
#
# Set defaults for name and mode
#
if name is None:
name = '-'
if mode is None:
mode = 0666
#
# Write the data
#
out_file.write('begin %o %s\n' % ((mode&0777),name))
str = in_file.read(45)
while len(str) > 0:
out_file.write(binascii.b2a_uu(str))
str = in_file.read(45)
out_file.write(' \nend\n')
def decode(in_file, out_file=None, mode=None):
"""Decode uuencoded file"""
#
# Open the input file, if needed.
#
if in_file == '-':
in_file = sys.stdin
elif type(in_file) == type(''):
in_file = open(in_file)
#
# Read until a begin is encountered or we've exhausted the file
#
while 1:
hdr = in_file.readline()
if not hdr:
raise Error, 'No valid begin line found in input file'
if hdr[:5] != 'begin':
continue
hdrfields = hdr.split(" ", 2)
if len(hdrfields) == 3 and hdrfields[0] == 'begin':
try:
int(hdrfields[1], 8)
break
except ValueError:
pass
if out_file is None:
out_file = hdrfields[2].rstrip()
if mode is None:
mode = int(hdrfields[1], 8)
#
# Open the output file
#
if out_file == '-':
out_file = sys.stdout
elif type(out_file) == type(''):
fp = open(out_file, 'wb')
try:
os.path.chmod(out_file, mode)
except AttributeError:
pass
out_file = fp
#
# Main decoding loop
#
s = in_file.readline()
while s and s != 'end\n':
try:
data = binascii.a2b_uu(s)
except binascii.Error, v:
# Workaround for broken uuencoders by /Fredrik Lundh
nbytes = (((ord(s[0])-32) & 63) * 4 + 5) / 3
data = binascii.a2b_uu(s[:nbytes])
sys.stderr.write("Warning: %s\n" % str(v))
out_file.write(data)
s = in_file.readline()
if not s:
raise Error, 'Truncated input file'
def test():
"""uuencode/uudecode main program"""
import getopt
dopt = 0
topt = 0
input = sys.stdin
output = sys.stdout
ok = 1
try:
optlist, args = getopt.getopt(sys.argv[1:], 'dt')
except getopt.error:
ok = 0
if not ok or len(args) > 2:
print 'Usage:', sys.argv[0], '[-d] [-t] [input [output]]'
print ' -d: Decode (in stead of encode)'
print ' -t: data is text, encoded format unix-compatible text'
sys.exit(1)
for o, a in optlist:
if o == '-d': dopt = 1
if o == '-t': topt = 1
if len(args) > 0:
input = args[0]
if len(args) > 1:
output = args[1]
if dopt:
if topt:
if type(output) == type(''):
output = open(output, 'w')
else:
print sys.argv[0], ': cannot do -t to stdout'
sys.exit(1)
decode(input, output)
else:
if topt:
if type(input) == type(''):
input = open(input, 'r')
else:
print sys.argv[0], ': cannot do -t from stdin'
sys.exit(1)
encode(input, output)
if __name__ == '__main__':
test()
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