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strings don't seem to roundtrip with repr() #47448

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mark-summerfield mannequin opened this issue Jun 25, 2008 · 2 comments
Closed

strings don't seem to roundtrip with repr() #47448

mark-summerfield mannequin opened this issue Jun 25, 2008 · 2 comments
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interpreter-core (Objects, Python, Grammar, and Parser dirs) type-bug An unexpected behavior, bug, or error

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@mark-summerfield
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Mannequin

mark-summerfield mannequin commented Jun 25, 2008

BPO 3198
Nosy @amauryfa, @mark-summerfield

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 2008-06-25.13:51:06.726>
created_at = <Date 2008-06-25.13:33:50.544>
labels = ['interpreter-core', 'type-bug', 'invalid']
title = "strings don't seem to roundtrip with repr()"
updated_at = <Date 2008-06-25.13:51:06.718>
user = 'https://github.com/mark-summerfield'

bugs.python.org fields:

activity = <Date 2008-06-25.13:51:06.718>
actor = 'amaury.forgeotdarc'
assignee = 'none'
closed = True
closed_date = <Date 2008-06-25.13:51:06.726>
closer = 'amaury.forgeotdarc'
components = ['Interpreter Core']
creation = <Date 2008-06-25.13:33:50.544>
creator = 'mark'
dependencies = []
files = []
hgrepos = []
issue_num = 3198
keywords = []
message_count = 2.0
messages = ['68728', '68729']
nosy_count = 2.0
nosy_names = ['amaury.forgeotdarc', 'mark']
pr_nums = []
priority = 'normal'
resolution = 'not a bug'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue3198'
versions = ['Python 2.5', 'Python 3.0']
@mark-summerfield
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mark-summerfield mannequin commented Jun 25, 2008

With 2.5.2 and 30b1 strings don't round trip like numbers do.

I guess it has been like this a long time so isn't a bug, but it does
seem inconsistent.

Both 2.5.2 and 30b1:

>>> x = 5
>>> x == int(repr(x))
True
>>> x = "Test Text"
>>> x == str(repr(x))
False

The reason is that an extra set of enclosing quotes are added.

@mark-summerfield mark-summerfield mannequin added interpreter-core (Objects, Python, Grammar, and Parser dirs) type-bug An unexpected behavior, bug, or error labels Jun 25, 2008
@amauryfa
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repr() is supposed to round-trip with eval() for common types.

str() is the function that round-trips with the original type:

>>> x = 5
>>> x == int(str(x))
True
>>> x = "Test Text"
>>> x == str(str(x))    #  :-)
True

@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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