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dir of an "_sre.SRE_Match" object not working #47497

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vizcayno mannequin opened this issue Jul 1, 2008 · 3 comments
Closed

dir of an "_sre.SRE_Match" object not working #47497

vizcayno mannequin opened this issue Jul 1, 2008 · 3 comments
Labels
topic-regex type-bug An unexpected behavior, bug, or error

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@vizcayno
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Mannequin

vizcayno mannequin commented Jul 1, 2008

BPO 3247
Nosy @amauryfa

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 2008-07-02.23:07:20.515>
created_at = <Date 2008-07-01.00:10:49.983>
labels = ['expert-regex', 'type-bug']
title = 'dir of an "_sre.SRE_Match" object not working'
updated_at = <Date 2008-07-02.23:07:20.514>
user = 'https://bugs.python.org/vizcayno'

bugs.python.org fields:

activity = <Date 2008-07-02.23:07:20.514>
actor = 'amaury.forgeotdarc'
assignee = 'none'
closed = True
closed_date = <Date 2008-07-02.23:07:20.515>
closer = 'amaury.forgeotdarc'
components = ['Regular Expressions']
creation = <Date 2008-07-01.00:10:49.983>
creator = 'vizcayno'
dependencies = []
files = []
hgrepos = []
issue_num = 3247
keywords = []
message_count = 3.0
messages = ['69031', '69117', '69141']
nosy_count = 2.0
nosy_names = ['amaury.forgeotdarc', 'vizcayno']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue3247'
versions = ['Python 3.0']
@vizcayno
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vizcayno mannequin commented Jul 1, 2008

For Windows XP SP3:

v = 'add 1 to 4.56'
import re
r=re.search("([0-9]+)\D+(\d+\.\d+)","add 1 to 4.56")
r
<_sre.SRE_Match object at 0x00BED920>
r.groups()
('1', '4.56')
dir(r)
[]

in pyhton 2.5 it shows:
['__copy__', '__deepcopy__', 'end', 'expand', 'group', 'groupdict', 'gro
ups', 'span', 'start']

@vizcayno vizcayno mannequin added topic-regex type-bug An unexpected behavior, bug, or error labels Jul 1, 2008
@amauryfa
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amauryfa commented Jul 2, 2008

The cause is that this object use a custom tp_getattr slot, and use
Py_FindMethod from there. and py3k removed the special "__methods__"
lookup that allowed to lists these items.

Of course, nowadays the way to add methods is not to put them in
tp_getattr, but in a tp_methods slot.

@amauryfa
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amauryfa commented Jul 2, 2008

Done in several changes: r64672 r64674 r64681.

Now the dir() is even more complete than before. I get:
['__class__', '__copy__', '__deepcopy__', '__delattr__', '__doc__',
'__eq__', '__format__', '__ge__', '__getattribute__', '__gt__',
'__hash__', '__init__', '__le__', '__lt__', '__ne__', '__new__',
'__reduce__', '__reduce_ex__', '__repr__','__setattr__', '__sizeof__',
'__str__', '__subclasshook__', 'end', 'endpos', 'expand', 'group',
'groupdict', 'groups', 'lastgroup', 'lastindex', 'pos', 're', 'regs',
'span', 'start', 'string']

@amauryfa amauryfa closed this as completed Jul 2, 2008
@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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