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bpo-35970: Add help flag to base64 module (GH-28774)

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This continues off rkuska's work from https://github.com/python/cpython/pull/11789 seeing as the patch wasn't updated to add tests.
This commit is contained in:
Ammar Askar 2021-10-06 21:38:43 -04:00 • committed by GitHub
parent e6ff4eba6d
commit 5baec4aea6
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3 changed files with 20 additions and 5 deletions
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13
Lib/base64.py
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@ -567,15 +567,17 @@ def decodebytes(s):
def main():
"""Small main program"""
import sys, getopt
usage = """usage: %s [-h|-d|-e|-u|-t] [file|-]
-h: print this help message and exit
-d, -u: decode
-e: encode (default)
-t: encode and decode string 'Aladdin:open sesame'"""%sys.argv[0]
try:
opts, args = getopt.getopt(sys.argv[1:], 'deut')
opts, args = getopt.getopt(sys.argv[1:], 'hdeut')
except getopt.error as msg:
sys.stdout = sys.stderr
print(msg)
print("""usage: %s [-d|-e|-u|-t] [file|-]
-d, -u: decode
-e: encode (default)
-t: encode and decode string 'Aladdin:open sesame'"""%sys.argv[0])
print(usage)
sys.exit(2)
func = encode
for o, a in opts:
@ -583,6 +585,7 @@ def main():
if o == '-d': func = decode
if o == '-u': func = decode
if o == '-t': test(); return
if o == '-h': print(usage); return
if args and args[0] != '-':
with open(args[0], 'rb') as f:
func(f, sys.stdout.buffer)