PythonCharmers/python-future
Vedi su GitHubnewbytes is unable to handle a generator as a parameter
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#288 aperta il 21 giu 2017
0.20bughelp wanted
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Descrizione
After only checking that the parameter is Iterable, newbytes then checks the parameters len().
https://github.com/PythonCharmers/python-future/blob/39a066ed8c29a0b3a32adac2ffd407119fe9ea6d/src/future/types/newbytes.py#L106
print(repr(bytes.newbytes(x for x in range(0))))
Traceback (most recent call last):
File "main.py", line 4, in <module>
print(repr(bytes.newbytes(x for x in range(0))))
File "/home/runner/bytes.py", line 103, in __new__
if len(args[0]) == 0:
TypeError: object of type 'generator' has no len()
Including a check for Sized as well avoids this.
if isinstance(args[0], Sized) and len(args[0]) == 0: