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-rw-r--r--lib/python2.7/Tools/scripts/md5sum.py90
1 files changed, 90 insertions, 0 deletions
diff --git a/lib/python2.7/Tools/scripts/md5sum.py b/lib/python2.7/Tools/scripts/md5sum.py
new file mode 100644
index 0000000..a93697e
--- /dev/null
+++ b/lib/python2.7/Tools/scripts/md5sum.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python2
+
+"""Python utility to print MD5 checksums of argument files.
+"""
+
+
+bufsize = 8096
+fnfilter = None
+rmode = 'rb'
+
+usage = """
+usage: sum5 [-b] [-t] [-l] [-s bufsize] [file ...]
+-b : read files in binary mode (default)
+-t : read files in text mode (you almost certainly don't want this!)
+-l : print last pathname component only
+-s bufsize: read buffer size (default %d)
+file ... : files to sum; '-' or no files means stdin
+""" % bufsize
+
+import sys
+import os
+import getopt
+import md5
+
+def sum(*files):
+ sts = 0
+ if files and isinstance(files[-1], file):
+ out, files = files[-1], files[:-1]
+ else:
+ out = sys.stdout
+ if len(files) == 1 and not isinstance(files[0], str):
+ files = files[0]
+ for f in files:
+ if isinstance(f, str):
+ if f == '-':
+ sts = printsumfp(sys.stdin, '<stdin>', out) or sts
+ else:
+ sts = printsum(f, out) or sts
+ else:
+ sts = sum(f, out) or sts
+ return sts
+
+def printsum(filename, out=sys.stdout):
+ try:
+ fp = open(filename, rmode)
+ except IOError, msg:
+ sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
+ return 1
+ if fnfilter:
+ filename = fnfilter(filename)
+ sts = printsumfp(fp, filename, out)
+ fp.close()
+ return sts
+
+def printsumfp(fp, filename, out=sys.stdout):
+ m = md5.new()
+ try:
+ while 1:
+ data = fp.read(bufsize)
+ if not data:
+ break
+ m.update(data)
+ except IOError, msg:
+ sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))
+ return 1
+ out.write('%s %s\n' % (m.hexdigest(), filename))
+ return 0
+
+def main(args = sys.argv[1:], out=sys.stdout):
+ global fnfilter, rmode, bufsize
+ try:
+ opts, args = getopt.getopt(args, 'blts:')
+ except getopt.error, msg:
+ sys.stderr.write('%s: %s\n%s' % (sys.argv[0], msg, usage))
+ return 2
+ for o, a in opts:
+ if o == '-l':
+ fnfilter = os.path.basename
+ elif o == '-b':
+ rmode = 'rb'
+ elif o == '-t':
+ rmode = 'r'
+ elif o == '-s':
+ bufsize = int(a)
+ if not args:
+ args = ['-']
+ return sum(args, out)
+
+if __name__ == '__main__' or __name__ == sys.argv[0]:
+ sys.exit(main(sys.argv[1:], sys.stdout))