[issue44135] issubclass documentation doesn't explain tuple semantic

New submission from João Henrique Pimentel : The second parameter (classinfo) of the issubclass built-in function can be a Tuple and, starting from 3.10, it can be a Union Type as well. The documentation states that in these cases "every entry in classinfo will be checked", but

[issue40531] Adding the method find() to list

João Marcos added the comment: Thanks for the replies!. Here's the link for discussion in the Python Ideas: https://discuss.python.org/t/adding-the-method-find-to-list/4113 -- ___ Python tracker <https://bugs.python.org/issue40

[issue40531] Adding the method find() to list

João Marcos added the comment: This is my first issue, is this the right place to discuss enhancements? -- components: +Library (Lib) ___ Python tracker <https://bugs.python.org/issue40

[issue40531] Adding the method find() to list

New submission from João Marcos : """ PROBLEM: When trying to search the position of an element inside a list, we should use the `in` operator to first check if the element exists, and then use the `index` method to obtain the index. `in` (__contains__) runs a linear s

[issue39750] UnicodeError becomes unpicklable if data is appended to args

João Eiras added the comment: On a related note, after inspecting the UnicodeEror C code, the exception object keeps explicit references to 'encoding', 'object', 'start', 'end' and 'reason'. That means that if those properties are set (the C code does have setters) then the properties stored

[issue39750] UnicodeError becomes unpicklable if data is appended to args

João Eiras added the comment: Hi. It's perfectly fine for classes to have their public APIs and intended uses. But then unpickling would be the worst place to complain, specially when running 40 parallel processes while an unhandled stacktrace appears between a couple hundred thousand lines

[issue39752] multiprocessing halts when child process crashes/quits

New submission from João Eiras : Hi. When one of the processes in a multiprocessing.pool picks up a task then then somehow crashes (and by crash I mean crashing the python process with something like a SEGV) or is killed, the pool in the main process will notice one of the workers died

[issue39751] multiprocessing breaks when payload fails to unpickle

Change by João Eiras : -- type: -> crash ___ Python tracker <https://bugs.python.org/issue39751> ___ ___ Python-bugs-list mailing list Unsubscrib

[issue39751] multiprocessing breaks when payload fails to unpickle

New submission from João Eiras : The multiprocessing module uses pickles to send data between processes. If a blob fails to unpickle (bad implementation of __setstate__, invalid payload from __reduce__, random crash in __init__) when the multiprocessing module will crash inside

[issue39750] UnicodeError becomes unpicklable if data is appended to args

New submission from João Eiras : Given some exception `ex`, you can append data like ex.args += (value1, value2, ...) and then re-raise. This is something I do in my projects to sometime propagate context when errors are raised, e.g., stacktraces across process boundaries or blobs of text

[issue29036] logging module: Add `full_module_name` to LogRecord details

João Eiras added the comment: Hi. I ask for this to be reconsidered. The "recommended" approach of using "getLogger(__name__)" comes with some downsides. In my projects I often have many many files (in one particularly I have hundreds) and creating Logger object for eac

[issue9625] argparse: Problem with defaults for variable nargs when using choices

Change by João Eiras : -- nosy: -João Eiras ___ Python tracker <https://bugs.python.org/issue9625> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue9625] argparse: Problem with defaults for variable nargs when using choices

João Eiras added the comment: Another workaround for who might ever need it. The benefit of this solution comparing to a custom type is that argparse will generate the help string properly with the choices, and this solution does workaround the place when the bug happens: class Choices

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: Don't keep your hopes up. People here don't like implementing features they don't understand about even if they could verify elsewhere it works well. My solution at the time was to create a decent "Condition" class based on the original one (s

[issue19431] Document PyFrame_FastToLocals() and PyFrame_FastToLocalsWithError()

João Sebastião de Oliveira Bueno <gwid...@gmail.com> added the comment: This discussion is fresh, so maybe it is worth asking here prior to python-ideas: In Python we can change any global variable, object attribute or mapping-value with function calls. Locals and nonlocals are th

[issue13290] get vars for object with __slots__

João Bernardo added the comment: Being the OP, at that time I felt it was important to have a vars() function that worked on __slots__ to ease something I was developing. The truth for me is: __slots__ is not really relevant anymore. The benefits it brings are not enough to make the feature

[issue28672] Explain in the "Data Model" document why arguments to __init__ are ok when __new__ is not defined

New submission from João Sebastião de Oliveira Bueno: There is an specific Python behavior on object instantiation that is "expected" but not explicit, even for avanced users: When a custom class defines `__init__` with extra parameters, but do not overrides `__new__`, it si

[issue23795] argparse -- incorrect usage for mutually exclusive

New submission from João Ferreira: The usage that is printed by argparse with the --help argument is slightly incorrect when using mutually exclusive groups. This happens in version 3.4.3 but did not happen in version 3.4.0. I have this minimal example: import argparse p

[issue22276] pathlib glob issues

João Guerra added the comment: Yes. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue22276 ___ ___ Python-bugs-list mailing list Unsubscribe

[issue22276] pathlib glob issues

New submission from João Guerra: Both fnmatch and glob support the */ glob. However, pathlib does not seem to handle this kind of globs correctly. dir = Path(/a/directory/) file = Path(/a/file) print(dir.match(*/)) # True print(file.match(*/)) # True The / is being discarded by the match

[issue18159] ConfigParser getters not available on SectionProxy

João Bernardo added the comment: ping? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18159 ___ ___ Python-bugs-list mailing list Unsubscribe

[issue19933] Round default argument for ndigits

João Bernardo added the comment: I don't understand. There's already a way to make round return an integer: don't pass a second argument. If this function were to be written in Python, it would be something like: def round(number, ndigits=0): ... or def round(number

[issue19933] Round default argument for ndigits

João Bernardo added the comment: Anyway, why not round(1.2) - 1.0 in the first place? Just curious. It was the behavior on Python 2.x, but somehow when they changed the rounding method to nearest even number this happened... I think it's too late to change back the return type

[issue19933] Round default argument for ndigits

João Bernardo added the comment: Not really. Just consistency: For the same reason ' foo '.strip(None) works... To avoid special casing the function call when you already have a variable to hold the argument. -- ___ Python tracker rep

[issue19933] Round default argument for ndigits

New submission from João Bernardo: From the docs for built-in function round: If ndigits is omitted, it defaults to zero (http://docs.python.org/3/library/functions.html#round) But, the only way to get an integer from `round` is by not having the second argument (ndigits): round

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: Seems like just because I never used I don't support. Boost C++ libraries has a wait_for_any functionality to synchronize futures. C# has a WaitAny in the WaitHandle class (like our Condition). Another problem is: the Condition class cannot be easily

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: I've been thinking about returning a list on wait_for_any, but that way you will not be able to implement wait_for using it! wait_for will return False on timeouts while wait_for_any will return a list with some conditions(evaluates to True). Also, wait_for

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: ping. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18078 ___ ___ Python-bugs-list mailing list Unsubscribe

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: Charles-François's point about the algorithmic complexity is legitimate, so I think he was actually waiting for you to amend your patch ;) This doesn't seems to be the actual issue as it would require a big change for something that wasn't proven important

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: 1) It should check all predicates. OK. Maybe later there could be an option for customization? 2) It should return a list of ready conditions. OK. 3) It should *not* accept a list of conditions. The list option would be to simplify the wait method

[issue18159] ConfigParser getters not available on SectionProxy

João Bernardo added the comment: Was the patch accepted yet? Looks good to me -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18159

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: (ping) It would be nice to have the feature on 3.4. What changes should I do to the patch? Is anyone else working on that? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18078

[issue18159] ConfigParser getters not available on SectionProxy

João Bernardo added the comment: Overriding __getattr__ doesn't look like the best solution Another idea would be to allow the proxy class to be selectable, but this would require the user to do much more coding for this simple thing... I believe a proxy should be dynamic enough to avoid

[issue18159] ConfigParser getters not available on SectionProxy

New submission from João Bernardo: The configparser.RawConfigParser class implements some `get` methods: get, getint, getfloat, getboolean but if any of these get overridden on a subclass(with other arguments) or new ones are added (e.g. getlist), there's no way a SectionProxy instance

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: I'm not convinced it's really useful. It doesn't seem a lot useful until you *really* need it. I've got 2 highly parallel programs that took advantage of this pattern. the wait is O(C) (appending to C wait queues) and wakeup is O(CT) (C removal from a T

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: BTW, I think it would be better to have wait_for_any() return a list of ready conditions rather than a boolean. That was the original idea until I realized `wait` and `wait_for` were just specializations of `wait_for_any`. This can probably be done

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: Here, removing a thread from a wait queue other than the one from which it was signalled is O(waiting threads). To be fair, You will probably never have more than a few hundred/thousand threads on a process. Usually you'll work under a few dozen threads

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: Hi, This code is working quite well on my system, but I'm still not sure if the behavior of multiple predicates is the one other people want. So, for the thread start running again: - Should it test only the predicates from the awakened Conditions an accept

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: I did what @Richard Oudkerk said and created the wait_for_any classmethod for the Condition class. Other Changes: - I had to refactor wait and wait_for to be specializations of wait_for_any. - try...except on notify because the inner lock might have been

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: I usually have hundreds of threads waiting on a single Condition object and I wake them with .notify_all() Sometimes, I want a specific thread to wake from this condition and finish their job apart from the others. The problem is that I have 2 conditions

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: But it might be nice to be able to wait on multiple conditions at once, assuming they are associated with the same lock. Maybe we could have a static method This could solve the waiting problem for the thread, but also may keep the other Condition objs

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: It would be for waiting for several conditions associated with the same lock, not for waiting for several locks. A Condition uses a 2 lock mechanism: - outer lock: one for all the waiters to access the Condition object - inner lock: one for each waiter

[issue18078] threading.Condition to allow notify on a specific waiter

João Bernardo added the comment: Condition.wait_for_any() would create a single inner lock and add it to the _waiters list for each of the condition variables Now I see your point! Could it also have one (optional) argument so I can provide this lock myself? while expr

[issue18078] threading.Condition to allow notify on a specific waiter

New submission from João Bernardo: If users could provide an inner lock for `threading.Condition` acquire when making a thread wait, it would allow for notifying a specific waiter. Because of race conditions, using: cond.notify(1) may not wake the thread I want. Also, I may not want

[issue16872] Metaclass conflict proposition

New submission from João Bernardo: This is actually a proposition for a behavior change caused by a bugfix. I have a project dealing with a metaclass factory and the next thing in the TODO list was to add multiple inheritance support. For my surprise, I tried and there was no metaclass

[issue15245] ast.literal_eval fails on some literals

João Bernardo jbv...@gmail.com added the comment: Of course `nan` and `inf` are part of the syntax! The `ast.parse` function recognize them as `Name`. So that works: ast.dump(ast.parse('True')) Module(body=[Expr(value=Name(id='True', ctx=Load()))]) ast.dump(ast.parse('inf')) Module(body

[issue15245] ast.literal_eval fails on some literals

Changes by João Bernardo jbv...@gmail.com: -- keywords: +patch Added file: http://bugs.python.org/file26262/ast.py.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15245

[issue15245] ast.literal_eval fails on some literals

João Bernardo jbv...@gmail.com added the comment: Ellipsis in this context is `_ast.Ellipsis`, not the original one... There's no TypeError there as `_ast.Ellipsis` is a class. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org

[issue15245] ast.literal_eval fails on some literals

Changes by João Bernardo jbv...@gmail.com: Added file: http://bugs.python.org/file26264/ast.py_with_tests.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15245

[issue15245] ast.literal_eval fails on some literals

João Bernardo jbv...@gmail.com added the comment: Just to be sure: What's a doc update? The `.rst` files are updated automatically with the doc strings? The adding another argument should require a: Changed in version 3.x: Accepts a second argument

[issue15245] ast.literal_eval fails on some literals

Changes by João Bernardo jbv...@gmail.com: Added file: http://bugs.python.org/file26266/ast.py_tests_doc.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue15245

[issue15245] ast.literal_eval fails on some literals

João Bernardo jbv...@gmail.com added the comment: That's what I said by `nan` and `inf` are not literals, but their representations look like they should be. One solution could be to add another argument to allow some extra names. Maybe a mapping, as `eval

[issue15245] ast.literal_eval on some literals

New submission from João Bernardo jbv...@gmail.com: `ast.literal_eval` is very strict on names, so it seems to lack some literals that may be result of `repr` on built-in objects. - Obvious cases: ast.literal_eval('...') ast.literal_eval('Ellipsis') both result on ValueError. - Not so

[issue13667] __contains__ method behavior

New submission from João Bernardo jbv...@gmail.com: Hi, I'm working on a class which implements the __contains__ method but the way I would like it to work is by generating an object that will be evaluated later. It'll return a custom object instead of True/False class C: def

[issue13667] __contains__ method behavior

João Bernardo jbv...@gmail.com added the comment: @Georg Brandl Oh sorry, now I see... true != True But still, why is that the default behavior? Shouldn't it use whatever the method returns? -- type: enhancement - behavior versions: +Python 3.2

[issue13667] __contains__ method behavior

Changes by João Bernardo jbv...@gmail.com: -- type: behavior - enhancement ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue13667 ___ ___ Python-bugs

[issue13667] __contains__ method behavior

João Bernardo jbv...@gmail.com added the comment: I see that every other comparison operator (, , =, =, ==, !=) except for `is` work the way I expect and is able to return anything. e.g. numpy.arange(5) 3 array([ True, True, True, False, False], dtype=bool) I didn't checked the code

[issue13667] __contains__ method behavior

João Bernardo jbv...@gmail.com added the comment: Using my poor grep abilities I found that on Objects/typeobject.c (I replaced some declarations/error checking from the code with ...) static int slot_sq_contains(PyObject *self, PyObject *value) { ... func = lookup_maybe(self

[issue13667] __contains__ method behavior

João Bernardo jbv...@gmail.com added the comment: The problem with `not in` is because it must evaluate the result. It's not just another operator like == and !=. Looks like we're suffering from premature optimization and now it would break a lot of code to make it good. For my application

[issue13290] get vars for object with __slots__

João Bernardo jbv...@gmail.com added the comment: Oh, sorry for the full file. Yes, I only changed after d = PyObject_GetAttrString(v, __dict__); if (d == NULL) { I was searching for uses of slots other than __slots__ = (a, b) and I saw a guy saying that dicts may have

[issue13290] get vars for object with __slots__

New submission from João Bernardo jbv...@gmail.com: I just realized the builtin function `vars` can't handle custom objects without the __dict__ attribute. It would be nice if it worked with objects that have __slots__ to make them look more like normal objects and to make debugging easier

[issue13153] IDLE crash with unicode bigger than 0xFFFF

João Bernardo jbv...@gmail.com added the comment: Just for comparison, on Python 2.7.1 (x32 on Windows 7) it's possible to paste the char (but can't use it) and a nice error is given. u'Ң' Unsupported characters in input So the problem was partially solved but something might have happened

[issue13153] IDLE crash with unicode bigger than 0xFFFF

João Bernardo jbv...@gmail.com added the comment: Just to complete my monologue: Here's the traceback from running IDLE in cmd line. C:\Python32\Lib\idlelibpython -i idle.py Traceback (most recent call last): File idle.py, line 11, in module idlelib.PyShell.main() File C:\Python32\Lib

[issue13153] IDLE crash with unicode bigger than 0xFFFF

New submission from João Bernardo jbv...@gmail.com: I was playing with some unicode chars on Python 3.2 (x64 on Windows 7), but when pasted a char bigger than 0x, IDLE crashes without any error message. Example (works fine): '\U000104a2' 'Ң' But, if I try to paste the above char

[issue13153] IDLE crash with unicode bigger than 0xFFFF

João Bernardo jbv...@gmail.com added the comment: @Ned That looks like a bit different case. IDLE *can* print the char after you entered the '\U' version of it. It doesn't accept you to paste those caracters... -- ___ Python tracker rep

[issue12745] Python2 or Python3 page

New submission from João Bernardo jbv...@gmail.com: Since 2008 (as far as can remember) the Python Download page has a link to that web page: http://wiki.python.org/moin/Python2orPython3 I know it's been updated but it keeps saying the same thing since Python 3.0 was launched. Basically

[issue12538] Extending int class

New submission from João Bernardo jbv...@gmail.com: I'm having trouble subclassing the int type and I think this behavior is a bug... (Python 3.2) class One(int): def __init__(self): super().__init__(1) one = One() one + 2 2 one == 0 True I know `int` objects

[issue12438] IDLE problem displaying warning message

João Bernardo jbv...@gmail.com added the comment: @orsenthil My system is Ubuntu 11.04 x64. To run idle, i press the Super (windows button) then write idle. If I open the terminal and type idle, the problem don't appear but I have to type the password on the terminal rather than on idle GUI

[issue12438] getpass error on idle

New submission from João Bernardo jbv...@gmail.com: The getpass function is raising an error when first used on idle (Python 3.2 and 2.7.1) The next time it'll work as expected (it echoes the data, but idle is just for testing purposes so no problems here) from getpass import getpass p

[issue11842] slice.indices with negative step and default stop

João Sebastião de Oliveira Bueno gwid...@gmail.com added the comment: I don't see this as a bug. The indices returned in both cases are exactly what you need to feed to range, in order to get the correct indices for the provided slice parameters. Perceive that if for s = slice(None, None, -2

[issue11658] complex sqrt error

New submission from João Bernardo jbv...@gmail.com: With Python 3, the ** operator is supposed to do math with complex numbers, but look what is happening: Python 3.2 (r32:88445, Feb 20 2011, 21:30:00) [MSC v.1500 64 bit (AMD64)] on win32 Type copyright, credits or license() for more

[issue4749] Issue with RotatingFileHandler logging handler on Windows

João Paulo Farias jpaulofar...@gmail.com added the comment: Ok.. I was hoping for a solution that did not involve running a separate process just for logging. Gabriel: Yeah, I have a python application that uses threads and spawns processes, even tho the processes it spawns have nothing

[issue4749] Issue with RotatingFileHandler logging handler on Windows

João Paulo Farias jpaulofar...@gmail.com added the comment: I dont see the resolution for this problem yet... What should I do to not have it happen? -- nosy: +jpfarias ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4749

[newbie] - python list into a sql query

Hi. Can someone guide me into getting this to work? It's just really querying a DB of an Autodiscovery tool to have a bunch of updated dns files. (Thought I'm still building the first script steps) I was able to successfully query the DB against a single groupid, but am failing in passing a list

Re: force URLencoding script

On Jan 15, 4:46 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 15, 2:38 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 14, 5:58 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 12, 10:07 pm, r0g aioe@technicalbloke.com wrote: João wrote

Re: force URLencoding script

On Jan 15, 4:46 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 15, 2:38 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 14, 5:58 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 12, 10:07 pm, r0g aioe@technicalbloke.com wrote: João wrote

Re: force URLencoding script

On Jan 14, 5:58 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 12, 10:07 pm, r0g aioe@technicalbloke.com wrote: João wrote: for the following data, authentication = UID=somestring message = 'PROBLEM severity High: OperatorX Plat1(locationY) global Succ. : 94.47

Re: force URLencoding script

On Jan 15, 2:38 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 14, 5:58 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 12, 10:07 pm, r0g aioe@technicalbloke.com wrote: João wrote: for the following data, authentication = UID=somestring message

Re: force URLencoding script

EDIT: About the proxy. That's why I'm using the '-P' in the POST call. /usr/bin/POST -P -- http://mail.python.org/mailman/listinfo/python-list

Re: force URLencoding script

On Jan 12, 10:07 pm, r0g aioe@technicalbloke.com wrote: João wrote: On Jan 12, 8:05 pm, r0g aioe@technicalbloke.com wrote: João wrote: Someone please? Haven't seen your original post yet mate, usenet can be flaky like that, might have been a good idea to quote your original post

Re: force URLencoding script

Someone please? -- http://mail.python.org/mailman/listinfo/python-list

Re: force URLencoding script

On Jan 12, 8:05 pm, r0g aioe@technicalbloke.com wrote: João wrote: Someone please? Haven't seen your original post yet mate, usenet can be flaky like that, might have been a good idea to quote your original post! Roger. Thanks Roger. João wrote: Someone please? Hi. I'm trying

force URLencoding script

Hi. I'm trying to figure out how to force URLencoding in my Python 2.4.3 environment receiving data an input argument but I'm really at a loss here. What am I doing wrong? #!/usr/bin/env python import sys from urllib import urlencode, urlopen from urllib2 import Request import urlparse

Re: plain text parsing to html (newbie problem)

On Dec 10, 7:55 pm, Lie Ryan lie.1...@gmail.com wrote: and, is there any reason why you're not using the email and smtplib?http://docs.python.org/library/email-examples.html Mainly because I was unaware of them :( I just read about them and I found all the Subject, From, To classes, but what

Re: plain text parsing to html (newbie problem)

On Dec 10, 7:55 pm, Lie Ryan lie.1...@gmail.com wrote: and, is there any reason why you're not using the email and smtplib?http://docs.python.org/library/email-examples.html Mainly because I was unaware of them :( I just read about them and I found all the Subject, From, To classes, but what

Re: plain text parsing to html (newbie problem)

Lie Ryan wrote: You can set MIME type and encoding from the MIME constructor email.mime.Text.MIMEText(bBold Text/b, html, utf-8) are you importing import mime or import email.mime or import email.MIMEMultipart? Hi Lie. I was importing as, 'from email.mime.text import MIMEText' which was

Re: plain text parsing to html (newbie problem)

Thanks for the output. akean, I've installed ipython and I'm exploring it. Thanks. Terry, from what I've read stringIO allows us to store strings in a 'virtual' file. Can you please write just 2 lines exemplifying a write to and a read from an OS level file? MRAB, that 'mail' object should've

Re: plain text parsing to html (newbie problem)

Thanks for the output. akean, I've installed ipython and I'm exploring it. Thanks. Terry, from what I've read stringIO allows us to store strings in a 'virtual' file. Can you please write just 2 lines exemplifying a write to and a read from an OS level file? MRAB, that 'mail' object should've

plain text parsing to html (newbie problem)

I apologize for my newbiness but I'm banging my head making this work : ( What change must I made for the tag enforcement being reflected to the 'mail' file? Am I using the WritableObject class correctly? (I'm getting a blank 'mail' file after running the .py script) How can I see the output run

Re: ISO library ref in printed form

kj wrote: Does anyone know where I can buy the Python library reference in printed form? (I'd rather not print the whole 1200+-page tome myself.) I'm interested in both/either 2.6 and 3.0. TIA! kj Why not download the documentation, take it to a local copy shop and have it printed and

Re: No trees in the stdlib?

Lawrence D'Oliveiro wrote: In message mailman.2140.1245996088.8015.python-l...@python.org, João Valverde wrote: Simple example usage case: Insert string into data structure in sorted order if it doesn't exist, else retrieve it. the_set = set( ... ) if str in the_set

Re: No trees in the stdlib?

João Valverde wrote: Paul Rubin wrote: João Valverde backu...@netcabo.pt writes: Interesting, thanks. The concept is not difficult to understand but I'm not sure it would be preferable. A copy operation should have the same cost as a snapshot, You mean a deep-copy

Re: No trees in the stdlib?

alex23 wrote: João Valverde backu...@netcabo.pt wrote: Currently I don't have a strong need for this. And clearly neither has anyone else, hence the absence from the stdlib. As others have pointed out, there are alternative approaches, and plenty of recipes on ActiveState, which seem

Re: No trees in the stdlib?

Paul Rubin wrote: a...@pythoncraft.com (Aahz) writes: (In particular, WRT the bisect module, although insertion and deletion are O(N), the constant factor for doing a simple memory move at C speed swamps bytecode until N gets very large -- and we already have collections.deque() for some

Re: No trees in the stdlib?

Paul Rubin wrote: João Valverde backu...@netcabo.pt writes: Could you clarify what you mean by immutable? As in... not mutable? As in without supporting insertions and deletions? Correct. That's has the same performance as using binary search on a sorted list. What's

Re: No trees in the stdlib?

João Valverde wrote: Paul Rubin wrote: João Valverde backu...@netcabo.pt writes: Could you clarify what you mean by immutable? As in... not mutable? As in without supporting insertions and deletions? Correct. That's has the same performance as using binary search on a sorted list

Re: No trees in the stdlib?

João Valverde wrote: Aahz wrote: In article mailman.2170.1246042676.8015.python-l...@python.org, =?ISO-8859-1?Q?Jo=E3o_Valverde?= backu...@netcabo.pt wrote: Anyway, I'm *not* trying to discourage you, just explain some of the roadblocks to acceptance that likely are why it hasn't already

Re: No trees in the stdlib?

Miles Kaufmann wrote: João Valverde wrote: To answer the question of what I need the BSTs for, without getting into too many boring details it is to merge and sort IP blocklists, that is, large datasets of ranges in the form of (IP address, IP address, string). Originally I was also

Re: No trees in the stdlib?

Aahz wrote: In article mailman.2139.1245994218.8015.python-l...@python.org, Tom Reed tomree...@gmail.com wrote: Why no trees in the standard library, if not as a built in? I searched the archive but couldn't find a relevant discussion. Seems like a glaring omission considering the

Re: No trees in the stdlib?

João Valverde wrote: Aahz wrote: In article mailman.2139.1245994218.8015.python-l...@python.org, Tom Reed tomree...@gmail.com wrote: Why no trees in the standard library, if not as a built in? I searched the archive but couldn't find a relevant discussion. Seems like a glaring omission

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