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case conversion problems in Turkish #47786

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ozan mannequin opened this issue Aug 10, 2008 · 2 comments
Closed

case conversion problems in Turkish #47786

ozan mannequin opened this issue Aug 10, 2008 · 2 comments
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topic-unicode type-bug An unexpected behavior, bug, or error

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@ozan
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Mannequin

ozan mannequin commented Aug 10, 2008

BPO 3536
Nosy @birkenfeld

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 2010-04-29.17:42:43.304>
created_at = <Date 2008-08-10.12:06:31.960>
labels = ['type-bug', 'expert-unicode']
title = 'case conversion problems in Turkish'
updated_at = <Date 2010-04-29.17:42:43.303>
user = 'https://bugs.python.org/ozan'

bugs.python.org fields:

activity = <Date 2010-04-29.17:42:43.303>
actor = 'terry.reedy'
assignee = 'none'
closed = True
closed_date = <Date 2010-04-29.17:42:43.304>
closer = 'terry.reedy'
components = ['Unicode']
creation = <Date 2008-08-10.12:06:31.960>
creator = 'ozan'
dependencies = []
files = []
hgrepos = []
issue_num = 3536
keywords = []
message_count = 2.0
messages = ['70972', '70976']
nosy_count = 2.0
nosy_names = ['georg.brandl', 'ozan']
pr_nums = []
priority = 'normal'
resolution = 'wont fix'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue3536'
versions = ['Python 3.0']
@ozan
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ozan mannequin commented Aug 10, 2008 

>>> sys.getdefaultencoding()
'utf-8'

>>> s = 'iı'
>>> s.upper()
'II' # should be 'İI'

>>> t = 'Iİ'
>>> t.lower()
'ii' # should be 'ıi'

>>> unicodedata.name('ı')      # The small dotless one
'LATIN SMALL LETTER DOTLESS I'
>>> unicodedata.name('I')      # The capital dotless one
'LATIN CAPITAL LETTER I'


>>> unicodedata.name('i')      # The small 'i'
'LATIN SMALL LETTER I'
>>> unicodedata.name('İ')      # The corresponding capital one
'LATIN CAPITAL LETTER I WITH DOT ABOVE'

The other non-ascii turkish characters 'şŞğĞöÖçÇüÜ' are correctly
handled by case conversion methods.

@ozan ozan mannequin added topic-unicode type-bug An unexpected behavior, bug, or error labels Aug 10, 2008
@birkenfeld
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Being Unicode strings, Py3k strings use the Unicode database's
lowercase<->uppercase mapping, which is not context sensitive.

See bpo-1528802 for more discussion.

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