New submission from Tyler Crompton:
Line 402 in lib/python3.3/tokenize.py, contains the following line:
if first.startswith(BOM_UTF8):
BOM_UTF8 is a bytes object. str.startswith does not accept bytes objects. I was
able to use tokenize.tokenize only after making the following changes:
Change line 402 to the following:
if first.startswith(BOM_UTF8.decode()):
Add these two lines at line 374:
except AttributeError:
line_string = line
Change line 485 to the following:
try:
line = line.decode(encoding)
except AttributeError:
pass
I do not know if these changes are correct as I have not fully tested this
module after these changes, but it started working for me. This is the meat of
my invokation of tokenize.tokenize:
import tokenize
with open('example.py') as file: # opening a file encoded as UTF-8
for token in tokenize.tokenize(file.readline):
print(token)
I am not suggesting that these changes are correct, but I do believe that the
current implementation is incorrect. I am also unsure as to what other versions
of Python are affected by this.
----------
components: Library (Lib)
messages: 181349
nosy: Tyler.Crompton
priority: normal
severity: normal
status: open
title: tokenizer.tokenize passes a bytes object to str.startswith
type: behavior
versions: Python 3.3
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue17125>
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