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WIP: Use assign expr with "elif" #8115

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WIP: Use assign expr with "elif" #8115

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17 changes: 6 additions & 11 deletions Lib/copy.py
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Original file line number Diff line number Diff line change
Expand Up @@ -87,19 +87,14 @@ def copy(x):
if copier:
return copier(x)

reductor = dispatch_table.get(cls)
if reductor:
if (reductor := dispatch_table.get(cls)):
rv = reductor(x)
elif (reductor := getattr(x, "__reduce_ex__", None)):
rv = reductor(4)
elif (reductor := getattr(x, "__reduce__", None)):
rv = reductor()
else:
reductor = getattr(x, "__reduce_ex__", None)
if reductor:
rv = reductor(4)
else:
reductor = getattr(x, "__reduce__", None)
if reductor:
rv = reductor()
else:
raise Error("un(shallow)copyable object of type %s" % cls)
raise Error("un(shallow)copyable object of type %s" % cls)

if isinstance(rv, str):
return x
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8 changes: 3 additions & 5 deletions Lib/zipfile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -681,12 +681,10 @@ def _get_decompressor(compress_type):
return bz2.BZ2Decompressor()
elif compress_type == ZIP_LZMA:
return LZMADecompressor()
elif descr := compressor_names.get(compress_type):
raise NotImplementedError("compression type %d (%s)" % (compress_type, descr))
else:
descr = compressor_names.get(compress_type)
if descr:
raise NotImplementedError("compression type %d (%s)" % (compress_type, descr))
else:
raise NotImplementedError("compression type %d" % (compress_type,))
raise NotImplementedError("compression type %d" % (compress_type,))


class _SharedFile:
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