Yes, definitely. This is exactly what my os.walk() replacement,
Betterwalk, does:
https://github.com/benhoyt/betterwalk#readme
On Windows you get *all* stat information from iterating the directory
entries (FindFirstFile etc). And on Linux most of the time you get enough
for os.walk() not
On May 01, 2013, at 11:54 AM, Larry Hastings wrote:
On 04/30/2013 11:29 PM, Ethan Furman wrote:
On 04/30/2013 11:18 PM, Barry Warsaw wrote:
On Apr 28, 2013, at 11:50 PM, Ethan Furman wrote:
But as soon as:
type(Color.red) is Color # True
type(MoreColor.red) is MoreColor #
On May 02, 2013, at 11:44 AM, Greg Ewing wrote:
Barry Warsaw wrote:
Why isn't getattr() for lookup by name
good enough?
Because it will find things that are not enum items,
e.g. '__str__'.
Why does that matter?
-Barry
___
Python-Dev mailing list
On May 01, 2013, at 11:04 AM, Eli Bendersky wrote:
Actually, in flufl.enum, IntEnum had to define a magic __value_factory__
attribute, but in the current ref435 implementation this isn't needed, so
IntEnum is just:
class IntEnum(int, Enum):
'''
Class where every instance is a subclass of
On May 01, 2013, at 08:47 PM, Georg Brandl wrote:
Wait a moment... it might not be immediately useful for IntEnums (however,
that's because base Enum currently defines __int__ which I find questionable),
And broken. And unnecessary. :)
class Foo(Enum):
... a = 'a'
... b = 'b'
...
On 05/02/2013 07:57 AM, Barry Warsaw wrote:
On May 01, 2013, at 11:54 AM, Larry Hastings wrote:
On 04/30/2013 11:29 PM, Ethan Furman wrote:
On 04/30/2013 11:18 PM, Barry Warsaw wrote:
On Apr 28, 2013, at 11:50 PM, Ethan Furman wrote:
But as soon as:
type(Color.red) is Color #
On Thu, May 2, 2013 at 7:58 AM, Barry Warsaw ba...@python.org wrote:
On May 02, 2013, at 11:44 AM, Greg Ewing wrote:
Barry Warsaw wrote:
Why isn't getattr() for lookup by name
good enough?
Because it will find things that are not enum items,
e.g. '__str__'.
Why does that matter?
I claim it
On May 02, 2013, at 08:42 AM, Larry Hastings wrote:
So, for the second time: How can Color.red and MoreColor.red be the same
object when they are of different types?
It's a moot point now given Guido's pronouncement.
-Barry
___
Python-Dev mailing list
On Thu, May 2, 2013 at 8:54 AM, Barry Warsaw ba...@python.org wrote:
On May 01, 2013, at 03:11 PM, Ethan Furman wrote:
The reason __int__ is there is because pure Enums should be using plain
ints
as their value 95% or more of the time, and being able to easily convert
to a
real int for
On Thu, May 2, 2013 at 8:57 AM, Barry Warsaw ba...@python.org wrote:
On May 02, 2013, at 08:42 AM, Larry Hastings wrote:
So, for the second time: How can Color.red and MoreColor.red be the same
object when they are of different types?
It's a moot point now given Guido's pronouncement.
On Wed, 2013-05-01 at 23:54 +1000, Nick Coghlan wrote:
However, I like the idea of a rich stat object, with path.stat()
and path.cached_stat() accessors on the path objects.
Since it seems there is some support for my proposal, I just posted to
python-ideas to get an idea how much support
In order for the Enum convenience function to be pickleable, we have this line
of code in the metaclass:
enum_class.__module__ = sys._getframe(1).f_globals['__name__']
This works fine for Cpython, but what about the others?
--
~Ethan~
___
2013/5/2 Ethan Furman et...@stoneleaf.us:
In order for the Enum convenience function to be pickleable, we have this
line of code in the metaclass:
enum_class.__module__ = sys._getframe(1).f_globals['__name__']
This works fine for Cpython, but what about the others?
Regardless of that,
On Thu, 2 May 2013 15:48:14 -0400
Benjamin Peterson benja...@python.org wrote:
2013/5/2 Ethan Furman et...@stoneleaf.us:
In order for the Enum convenience function to be pickleable, we have this
line of code in the metaclass:
enum_class.__module__ =
On Thu, May 2, 2013 at 1:10 PM, Antoine Pitrou solip...@pitrou.net wrote:
On Thu, 2 May 2013 15:48:14 -0400
Benjamin Peterson benja...@python.org wrote:
2013/5/2 Ethan Furman et...@stoneleaf.us:
In order for the Enum convenience function to be pickleable, we have
this
line of code in
Am 02.05.2013 22:10, schrieb Antoine Pitrou:
On Thu, 2 May 2013 15:48:14 -0400
Benjamin Peterson benja...@python.org wrote:
2013/5/2 Ethan Furman et...@stoneleaf.us:
In order for the Enum convenience function to be pickleable, we have this
line of code in the metaclass:
On Thu, 2 May 2013 13:15:00 -0700
Eli Bendersky eli...@gmail.com wrote:
Two things that were suggested in private:
1) ask users to pass the module name to the convenience function
explicitly (i.e. pass seasonmodule.Season instead of Season as the
class name). Guido doesn't like it :-)
On Thu, May 2, 2013 at 12:07 PM, Ethan Furman et...@stoneleaf.us wrote:
In order for the Enum convenience function to be pickleable, we have this
line of code in the metaclass:
enum_class.__module__ = sys._getframe(1).f_globals['__name__']
This works fine for Cpython, but what about the
On Thu, May 2, 2013 at 1:22 PM, Antoine Pitrou solip...@pitrou.net wrote:
On Thu, 2 May 2013 13:15:00 -0700
Eli Bendersky eli...@gmail.com wrote:
Two things that were suggested in private:
1) ask users to pass the module name to the convenience function
explicitly (i.e. pass
On May 02, 2013, at 10:18 PM, Georg Brandl wrote:
5) accept that convenience-created enums have restrictions such as no
picklability and point them out in the docs?
That would work fine for me, but ultimately I'm with Guido. I just don't want
to have to pass the module name in.
-Barry
On Thu, May 2, 2013 at 1:18 PM, fwierzbi...@gmail.com
fwierzbi...@gmail.com wrote:
On Thu, May 2, 2013 at 12:07 PM, Ethan Furman et...@stoneleaf.us wrote:
In order for the Enum convenience function to be pickleable, we have this
line of code in the metaclass:
enum_class.__module__ =
On Thu, 2 May 2013 13:33:21 -0700
Eli Bendersky eli...@gmail.com wrote:
On Thu, May 2, 2013 at 1:22 PM, Antoine Pitrou solip...@pitrou.net wrote:
On Thu, 2 May 2013 13:15:00 -0700
Eli Bendersky eli...@gmail.com wrote:
Two things that were suggested in private:
1) ask users to
On Thu, May 2, 2013 at 9:07 PM, Ethan Furman et...@stoneleaf.us wrote:
In order for the Enum convenience function to be pickleable, we have this
line of code in the metaclass:
enum_class.__module__ = sys._getframe(1).f_globals['__name__']
This works fine for Cpython, but what about the
On Thu, May 2, 2013 at 1:39 PM, Barry Warsaw ba...@python.org wrote:
On May 02, 2013, at 10:18 PM, Georg Brandl wrote:
5) accept that convenience-created enums have restrictions such as no
picklability and point them out in the docs?
That would work fine for me, but ultimately I'm with
Actually, there's Gregory's scandir() implementation (returning a
generator to be able to cope with large directories) on it's way:
http://bugs.python.org/issue11406
It's already been suggested to make it return a tuple (with d_type).
I'm sure a review of the code (especially the Windows
On Thu, May 2, 2013 at 1:39 PM, Guido van Rossum gu...@python.org wrote:
On Thu, May 2, 2013 at 1:18 PM, fwierzbi...@gmail.com
fwierzbi...@gmail.com wrote:
On Thu, May 2, 2013 at 12:07 PM, Ethan Furman et...@stoneleaf.us
wrote:
In order for the Enum convenience function to be pickleable,
On Thu, 2 May 2013 13:48:24 -0700
Eli Bendersky eli...@gmail.com wrote:
On Thu, May 2, 2013 at 1:39 PM, Barry Warsaw ba...@python.org wrote:
On May 02, 2013, at 10:18 PM, Georg Brandl wrote:
5) accept that convenience-created enums have restrictions such as no
picklability and point
On Thu, 2 May 2013 13:15:00 -0700
Eli Bendersky eli...@gmail.com wrote:
Two things that were suggested in private:
1) ask users to pass the module name to the convenience function
explicitly (i.e. pass seasonmodule.Season instead of Season as
the
class name). Guido
On 05/02/2013 01:52 PM, Eli Bendersky wrote:
Back to my question from before, though - do we have a real technical
limitation of having something like
inspect.what_module_am_i_now_in() that's supposed to work for all Python code?
By which you really mean
On Thu, 2 May 2013 13:52:29 -0700
Eli Bendersky eli...@gmail.com wrote:
Back to my question from before, though - do we have a real technical
limitation of having something like inspect.what_module_am_i_now_in()
that's supposed to work for all Python code?
I already gave an answer (e.g. the
On Thu, May 2, 2013 at 2:05 PM, Ethan Furman et...@stoneleaf.us wrote:
On 05/02/2013 01:52 PM, Eli Bendersky wrote:
Back to my question from before, though - do we have a real technical
limitation of having something like
inspect.what_module_am_i_now_**in() that's supposed to work for all
On Thu, May 2, 2013 at 2:10 PM, Antoine Pitrou solip...@pitrou.net wrote:
On Thu, 2 May 2013 13:52:29 -0700
Eli Bendersky eli...@gmail.com wrote:
Back to my question from before, though - do we have a real technical
limitation of having something like inspect.what_module_am_i_now_in()
On May 02, 2013, at 10:57 PM, Antoine Pitrou wrote:
On Thu, 2 May 2013 13:48:24 -0700
The problem with (5) is this: you use some library that exports an
enumeration, and you want to use pickling. Now you depend on the way the
library implemented - if it used the convenience API, you can't
2013/5/2 Eli Bendersky eli...@gmail.com:
On Thu, May 2, 2013 at 1:10 PM, Antoine Pitrou solip...@pitrou.net wrote:
On Thu, 2 May 2013 15:48:14 -0400
Benjamin Peterson benja...@python.org wrote:
2013/5/2 Ethan Furman et...@stoneleaf.us:
In order for the Enum convenience function to be
On Thu, 2 May 2013 14:16:34 -0700
Barry Warsaw ba...@python.org wrote:
On May 02, 2013, at 10:57 PM, Antoine Pitrou wrote:
On Thu, 2 May 2013 13:48:24 -0700
The problem with (5) is this: you use some library that exports an
enumeration, and you want to use pickling. Now you depend on the
On Thu, 2 May 2013 14:15:40 -0700
Eli Bendersky eli...@gmail.com wrote:
Sorry, but I do find the argument let's not have a convenience syntax
because enums created with such syntax won't pickle properly from within a
debugger not convincing enough :-)
Eli, it would be nice if you stopped
2013/5/2 Guido van Rossum gu...@python.org
On Thu, May 2, 2013 at 1:18 PM, fwierzbi...@gmail.com
fwierzbi...@gmail.com wrote:
On Thu, May 2, 2013 at 12:07 PM, Ethan Furman et...@stoneleaf.us
wrote:
In order for the Enum convenience function to be pickleable, we have
this
line of code in
Eli, it would be nice if you stopped with this claim.
I'm not advocating not having a convenience syntax, I'm advocating
having a convenience syntax which is *class-based* rather than
function-based.
Debuggers are beside the point: there are two kinds of convenience
syntax on the table;
On 3 May 2013 08:34, guido.van.rossum python-check...@python.org wrote:
http://hg.python.org/peps/rev/26947623fc5d
changeset: 4870:26947623fc5d
user:Guido van Rossum gu...@python.org
date:Thu May 02 14:11:08 2013 -0700
summary:
Add time(), call_at(). Remove
On Thu, May 2, 2013 at 1:18 PM, fwierzbi...@gmail.com
fwierzbi...@gmail.com wrote:
On Thu, May 2, 2013 at 12:07 PM, Ethan Furman et...@stoneleaf.us wrote:
In order for the Enum convenience function to be pickleable, we have this
line of code in the metaclass:
enum_class.__module__ =
On 3 May 2013 08:00, Eli Bendersky eli...@gmail.com wrote:
Eli, it would be nice if you stopped with this claim.
I'm not advocating not having a convenience syntax, I'm advocating
having a convenience syntax which is *class-based* rather than
function-based.
Debuggers are beside the
On Thu, May 2, 2013 at 4:14 PM, Nick Coghlan ncogh...@gmail.com wrote:
I would suggest moving the field names into the class header for a class
based convenience API:
class Animal(Enum, members='cat dog'): pass
Would you propose the same for namedtuple?
--
--Guido van Rossum
Guido van Rossum wrote:
you should do some other check,
e.g. if x in Color:.
So you don't think it's important to have an easy
way to take user input that's supposed to be a
Color name and either return a Color or raise
a ValueError?
--
Greg
___
Eli Bendersky wrote:
TypeError: Cannot subclass enumerations
This message might be better phrased as cannot extend
enumerations, since we're still allowing subclassing
prior to defining members.
--
Greg
___
Python-Dev mailing list
On 05/02/2013 04:45 PM, Greg Ewing wrote:
Eli Bendersky wrote:
TypeError: Cannot subclass enumerations
This message might be better phrased as cannot extend
enumerations, since we're still allowing subclassing
prior to defining members.
I like it, thanks!
--
~Ethan~
On Thu, May 2, 2013 at 4:50 PM, Ethan Furman et...@stoneleaf.us wrote:
On 05/02/2013 04:45 PM, Greg Ewing wrote:
Eli Bendersky wrote:
TypeError: Cannot subclass enumerations
This message might be better phrased as cannot extend
enumerations, since we're still allowing subclassing
prior
On May 03, 2013, at 09:14 AM, Nick Coghlan wrote:
The other issue is your proposal to have a class-based convenience syntax
akin to (correct me if I got this wrong):
class Animal(Enum):
__values__ = 'cat dog'
I would suggest moving the field names into the class header for a class
based
On 05/02/2013 04:43 PM, Greg Ewing wrote:
Guido van Rossum wrote:
you should do some other check,
e.g. if x in Color:.
So you don't think it's important to have an easy
way to take user input that's supposed to be a
Color name and either return a Color or raise
a ValueError?
I don't believe
On Fri, May 3, 2013 at 9:57 AM, Ethan Furman et...@stoneleaf.us wrote:
On 05/02/2013 04:43 PM, Greg Ewing wrote:
Guido van Rossum wrote:
you should do some other check,
e.g. if x in Color:.
So you don't think it's important to have an easy
way to take user input that's supposed to be a
On Thu, May 2, 2013 at 11:37 AM, Steven D'Aprano st...@pearwood.info wrote:
On 02/05/13 08:54, Nick Coghlan wrote:
If enums had an as_dict method that returned an ordered dictionary, you
could do:
class MoreColors(Enum):
locals().update(Colors.as_dict())
Surely that is an
An exchange in one of the enum threads prompted me to write down
something I've occasionally thought about regarding locals(): it is
currently severely underspecified, and I'd like to make the current
CPython behaviour part of the language/library specification. (We
recently found a bug in the
On May 03, 2013, at 11:06 AM, Nick Coghlan wrote:
User input should qualify, and using getattr(EnumClass, user_input) will get
you an AttributeError instead of a ValueError if user_input is not valid,
but surely you don't mind that small difference. ;)
int(getattr(C(), __str__))
Traceback
2013/5/2 Nick Coghlan ncogh...@gmail.com:
An exchange in one of the enum threads prompted me to write down
something I've occasionally thought about regarding locals(): it is
currently severely underspecified, and I'd like to make the current
CPython behaviour part of the language/library
On 03/05/13 11:29, Nick Coghlan wrote:
An exchange in one of the enum threads prompted me to write down
something I've occasionally thought about regarding locals(): it is
currently severely underspecified, and I'd like to make the current
CPython behaviour part of the language/library
On 5/2/2013 9:29 PM, Nick Coghlan wrote:
An exchange in one of the enum threads prompted me to write down
something I've occasionally thought about regarding locals(): it is
currently severely underspecified, and I'd like to make the current
CPython behaviour part of the language/library
Am 02.05.2013 23:57, schrieb Eli Bendersky:
Eli, it would be nice if you stopped with this claim.
I'm not advocating not having a convenience syntax, I'm advocating
having a convenience syntax which is *class-based* rather than
function-based.
Debuggers are beside the
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