Fix the example in hashlib documentarion

[marcelogrsp]

BPO	40960
Nosy	@csabella, @marcelogrsp

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2020-06-12.11:48:23.880>
created_at = <Date 2020-06-12.11:36:43.725>
labels = ['invalid', 'type-bug', '3.8', 'docs']
title = 'Fix the example in hashlib documentarion'
updated_at = <Date 2020-06-12.20:45:34.800>
user = 'https://github.com/marcelogrsp'

bugs.python.org fields:

activity = <Date 2020-06-12.20:45:34.800>
actor = 'marcelogrsp@gmail.com'
assignee = 'docs@python'
closed = True
closed_date = <Date 2020-06-12.11:48:23.880>
closer = 'cheryl.sabella'
components = ['Documentation']
creation = <Date 2020-06-12.11:36:43.725>
creator = 'marcelogrsp@gmail.com'
dependencies = []
files = []
hgrepos = []
issue_num = 40960
keywords = []
message_count = 3.0
messages = ['371354', '371355', '371416']
nosy_count = 3.0
nosy_names = ['docs@python', 'cheryl.sabella', 'marcelogrsp@gmail.com']
pr_nums = []
priority = 'normal'
resolution = 'not a bug'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue40960'
versions = ['Python 3.8']

[marcelogrsp]

The documentation found in https://docs.python.org/2/library/hashlib.html

give us the following example:

More condensed:

>>> hashlib.sha224("Nobody inspects the spammish repetition").hexdigest()
'a4337bc45a8fc544c03f52dc550cd6e1e87021bc896588bd79e901e2'

Although, we get the error if not encode the string:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: Unicode-objects must be encoded before hashing

So the example should be (string to bytes):
hashlib.sha224(b"Nobody inspects the spammish repetition").hexdigest()

[csabella]

Hi Marcelo,

Thanks for the report. The version of the documentation that you linked to is for Python 2. At the top of that page, there is a redirect to the Python 3 documentation at https://docs.python.org/3/library/hashlib.html. You'll see that the Python 3 documentation does use bytes for that example.

[marcelogrsp]

ooops, thank you!