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54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
#!/usr/bin/env python3
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""" Compare the output of two codecs.
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(c) Copyright 2005, Marc-Andre Lemburg (mal@lemburg.com).
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Licensed to PSF under a Contributor Agreement.
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"""
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import sys
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def compare_codecs(encoding1, encoding2):
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print('Comparing encoding/decoding of %r and %r' % (encoding1, encoding2))
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mismatch = 0
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# Check encoding
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for i in range(sys.maxunicode):
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u = chr(i)
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try:
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c1 = u.encode(encoding1)
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except UnicodeError as reason:
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c1 = '<undefined>'
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try:
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c2 = u.encode(encoding2)
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except UnicodeError as reason:
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c2 = '<undefined>'
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if c1 != c2:
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print(' * encoding mismatch for 0x%04X: %-14r != %r' % \
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(i, c1, c2))
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mismatch += 1
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# Check decoding
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for i in range(256):
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c = chr(i)
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try:
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u1 = c.decode(encoding1)
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except UnicodeError:
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u1 = '<undefined>'
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try:
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u2 = c.decode(encoding2)
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except UnicodeError:
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u2 = '<undefined>'
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if u1 != u2:
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print(' * decoding mismatch for 0x%04X: %-14r != %r' % \
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(i, u1, u2))
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mismatch += 1
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if mismatch:
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print()
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print('Found %i mismatches' % mismatch)
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else:
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print('-> Codecs are identical.')
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if __name__ == '__main__':
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compare_codecs(sys.argv[1], sys.argv[2])
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