Re: Help with Iteration

On Oct 17, 10:44 pm, Chris McComas <[EMAIL PROTECTED]> wrote: > i have a python script that is computing ratings of sports teams. > > what i'm trying to do is setup an iteration for the rating so that the > python program recomputes the rating if any of the value difference is > > > 0.5. it's c

Re: 'Hidden Features of Python'

On Oct 17, 11:00 am, coldpizza <[EMAIL PROTECTED]> wrote: > Having read through the link below I finally managed to grasp some > concepts that I only read about in the docs but never got to really > understand. Maybe it will be helpful for people like myself who are > not yet fully comfortable with

Re: How to transfer data structure or class from Python to C/C++?

On Oct 16, 9:10 am, Hongtian <[EMAIL PROTECTED]> wrote: > Not exactly. > > In my C/C++ application, I have following function or flow: > > void func1() > { >     call PyFunc(struct Tdemo, struct &Tdemo1); > > } > > I mean I want to invoke Python function 'PyFunc' and transfer a data > structure

Re: Finding the instance reference of an object

On Oct 17, 4:03 pm, Joe Strout <[EMAIL PROTECTED]> wrote: > On Oct 17, 2008, at 2:36 PM, Steve Holden wrote: snip > And here, you're doing an assignment -- this is the only test of the   > three that tests whether the parameter is passed by reference or by   > value.  The result: it's by value. > >

Re: Finding the instance reference of an object

On Oct 17, 10:56 am, Joe Strout <[EMAIL PROTECTED]> wrote: > On Oct 16, 2008, at 11:23 PM, Dennis Lee Bieber wrote: snip > >    But, it seems, you are the only one arguing that "the semantics are > > all the same"... Doesn't that suggest that they aren't the same? > > No, it suggests to me that the

Re: Normalizing arguments

On Oct 17, 12:37 pm, Dan Ellis <[EMAIL PROTECTED]> wrote: > On Oct 17, 6:17 pm, "Chris Rebert" <[EMAIL PROTECTED]> wrote: > > > Why do you want/need this magical g() function considering that, as > > you yourself point out, Python already performs this normalization for > > you? > > A caching idea

Re: default value in __init__

On Oct 17, 6:56 am, Steven D'Aprano <[EMAIL PROTECTED] cybersource.com.au> wrote: > On Fri, 17 Oct 2008 23:04:52 +1300, Lawrence D'Oliveiro wrote: > > In message <[EMAIL PROTECTED]>, Duncan Booth wrote: > > >> We already get people asking why code like this doesn't return 3: > > > fns = [ lambd

Re: How to transfer data structure or class from Python to C/C++?

ython function 'PyFunc' and transfer a data > structure 'Tdemo' to this function. After some process in Python, I > want it return 'Tdemo1' back to the C/C++ application. > > I research boost.python and think it is not a reasonable solution > because it make the

Re: How to transfer data structure or class from Python to C/C++?

ython function 'PyFunc' and transfer a data > structure 'Tdemo' to this function. After some process in Python, I > want it return 'Tdemo1' back to the C/C++ application. > > I research boost.python and think it is not a reasonable solution > because it make the

Re: Finding the instance reference of an object

On Oct 16, 8:30 pm, Steven D'Aprano <[EMAIL PROTECTED] cybersource.com.au> wrote: > On Thu, 16 Oct 2008 11:51:43 -0700, Aaron \"Castironpi\" Brady wrote: > > If you're sure it's unique, why not just scan through the pairs in > > local

Re: default value in __init__

On Oct 16, 7:54 pm, Steven D'Aprano <[EMAIL PROTECTED] cybersource.com.au> wrote: > On Thu, 16 Oct 2008 12:18:49 -0700, Aaron \"Castironpi\" Brady wrote: > > [snip] > > >> If Python re-evaluated the default value i=i at runtime, the above > >&

Re: How to transfer data structure or class from Python to C/C++?

On Oct 16, 9:10 am, Hongtian <[EMAIL PROTECTED]> wrote: > Not exactly. > > In my C/C++ application, I have following function or flow: > > void func1() > { >     call PyFunc(struct Tdemo, struct &Tdemo1); > > } > > I mean I want to invoke Python function 'PyFunc' and transfer a data > structure

Re: default value in __init__

On Oct 16, 12:23 pm, Steven D'Aprano <[EMAIL PROTECTED] cybersource.com.au> wrote: > On Thu, 16 Oct 2008 17:05:40 +1300, Lawrence D'Oliveiro wrote: > > In message <[EMAIL PROTECTED]>, Steven D'Aprano > > wrote: > > >> On Thu, 09 Oct 2008 01:39:30 -0700, kenneth (a.k.a. Paolo) wrote: > > >>> On Oct

Re: default value in __init__

On Oct 16, 1:05 am, "Chris Rebert" <[EMAIL PROTECTED]> wrote: > On Wed, Oct 15, 2008 at 9:43 PM, Aaron Castironpi Brady > > > > <[EMAIL PROTECTED]> wrote: > > On Oct 15, 11:33 pm, Steve Holden <[EMAIL PROTECTED]> wrote: > >> Aaron &q

Re: Finding the instance reference of an object

On Oct 16, 12:25 pm, Astley Le Jasper <[EMAIL PROTECTED]> wrote: > Thanks for all the responses. That helps. > > Ta > > ALJ If you're sure it's unique, why not just scan through the pairs in locals()? for k, v in locals(): if v is the_object_im_looking_for: name_im_looking_for= k This meth

Re: default value in __init__

On Oct 15, 11:33 pm, Steve Holden <[EMAIL PROTECTED]> wrote: > Aaron "Castironpi" Brady wrote: > > [about how default argument behavior should, in his opinion, be changed] > > Say what you like. The language is as it is by choice. Were it, for some > reason, to

Re: default value in __init__

On Oct 15, 11:05 pm, Lawrence D'Oliveiro <[EMAIL PROTECTED] central.gen.new_zealand> wrote: > In message <[EMAIL PROTECTED]>, Steven D'Aprano > wrote: > > > On Thu, 09 Oct 2008 01:39:30 -0700, kenneth (a.k.a. Paolo) wrote: > > >> On Oct 9, 10:14 am, Christian Heimes <[EMAIL PROTECTED]> wrote: > > >

Re: How to transfer data structure or class from Python to C/C++?

On Oct 15, 8:08 pm, Hongtian <[EMAIL PROTECTED]> wrote: > Hi friends, > > I am a newer of Python. I want to ask below question: > > I have a C/C++ application and I want to use Python as its extension. > To do that, I have to transfer some data structure from C/C++ > application to Python and get s

Re: IDE Question

On Oct 15, 1:07 pm, Stef Mientki <[EMAIL PROTECTED]> wrote: > Steve Phillips wrote: > > Hi All, > > I am just wondering what seems to be the most popular IDE. The reason > > I ask is I am currently at war with myself when it comes to IDE's. It > > seems like every one I find and try out has somethi

Re: Overloading operators

On Oct 15, 7:34 am, Mr.SpOOn <[EMAIL PROTECTED]> wrote: > Hi, > in a project I'm overloading a lot of comparison and arithmetic > operators to make them working with more complex classes that I > defined. > > Sometimes I need a different behavior of the operator depending on the > argument. For exa

Re: File Management

On Oct 15, 12:47 pm, "erict1689" <[EMAIL PROTECTED]> wrote: > I am writing this program in which I open up a file and update that > information but to a new file.  I already have a global variable for > it but how do I go about creating an openable file in the source code? >  If it helps here is wh

Re: Overloading operators

On Oct 15, 7:34 am, Mr.SpOOn <[EMAIL PROTECTED]> wrote: > Hi, > in a project I'm overloading a lot of comparison and arithmetic > operators to make them working with more complex classes that I > defined. > > Sometimes I need a different behavior of the operator depending on the > argument. For exa

Re: docpicture

On Oct 14, 11:56 am, [EMAIL PROTECTED] wrote: > André: > > > Ok, the following is my first attempt at implementing this idea. > > I suggest you to change the program you use to encode your images, > because it's 1000 bytes, while with my program the same 256 colors > image needs just 278 bytes: > >

Re: inspect feature

On Oct 14, 4:16 pm, George Sakkis <[EMAIL PROTECTED]> wrote: > On Oct 14, 5:00 pm, "Aaron \"Castironpi\" Brady" > > > > <[EMAIL PROTECTED]> wrote: (snip > > Here's some more info. > > > Ver 2.5: > > > >>&g

Re: default value in __init__

On Oct 14, 1:50 pm, Bruno Desthuilliers <[EMAIL PROTECTED]> wrote: > David C. Ullrich a écrit : > > > > > In article <[EMAIL PROTECTED]>, > >  Bruno Desthuilliers <[EMAIL PROTECTED]> > >  wrote: snip > (snip) snip > > In particular default parameters should work the way the user > > expects! The fa

Re: inspect feature

On Oct 14, 2:32 pm, George Sakkis <[EMAIL PROTECTED]> wrote: > On Oct 14, 2:35 pm, "Aaron \"Castironpi\" Brady" > > > > <[EMAIL PROTECTED]> wrote: > > On Oct 14, 9:42 am, George Sakkis <[EMAIL PROTECTED]> wrote: > > > >

Re: inspect feature

On Oct 14, 9:42 am, George Sakkis <[EMAIL PROTECTED]> wrote: > On Oct 14, 3:06 am, "Gabriel Genellina" <[EMAIL PROTECTED]> > wrote: > > > > > En Fri, 10 Oct 2008 14:18:53 -0300, Aaron "Castironpi" Brady > > <[EMAIL PROTECTED]> escr

Mail reader & spam

Hello all, I'm hesitating to change news readers because I like Google's interface. In the interests of discussion, I'd make better contributions without it, if only because it's a known spam source, but its reader format beats the alternatives I've seen. I checked out the 'nntplib' module to se

Re: Most compact "X if X else Y" idiom

On Oct 12, 12:01 am, [EMAIL PROTECTED] wrote: > I find myself having to do the following: > >   x = (some complex expression) >   y = x if x else "blah" > > and I was wondering if there is any built-in idiom that > can remove the need to put (some complex expression) > in the temporary variable x.

Re: default value in __init__

On Oct 11, 4:41 am, Steven D'Aprano <[EMAIL PROTECTED] cybersource.com.au> wrote: > On Fri, 10 Oct 2008 06:20:35 -0700, bearophileHUGS wrote: snip > > I have seen professional programmers too use class attributes instead of > > instance ones... > > That's only a mistake if you don't mean to use cla

Re: default value in __init__

On Oct 10, 12:30 pm, Duncan Booth <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > >> I don't think simply re-executing the default argument > >> expression on each call works either: that would confuse at least as > >> many people as the current system. > > > May I ask you why? I think I do

Re: extracting null pointer address from PyCObject with ctypes

On Oct 11, 1:59 pm, Gordon Allott <[EMAIL PROTECTED]> wrote: > Aaron "Castironpi" Brady wrote: > > > What does print pythonapi.PyCObject_AsVoidPtr(display) give you? > > -- > >http://mail.python.org/mailman/listinfo/python-list > > Traceback (most rec

Re: extracting null pointer address from PyCObject with ctypes

On Oct 11, 9:45 am, Gordon Allott <[EMAIL PROTECTED]> wrote: > Aaron "Castironpi" Brady wrote: > > > My pygame install just returns an integer in get_wm_info.  Take a > > look: > > >>>> pygame.display.get_wm_info() > > {'window

Re: 2to3 refactoring [was Re: Tuple parameter unpacking in 3.x]

On Oct 11, 2:23 am, Steven D'Aprano <[EMAIL PROTECTED] cybersource.com.au> wrote: snip > I am talking about a clash between *conventions*, where there could be > many argument names of the form a_b which are not intended to be two item > tuples. > > In Python 2.x, when you see the function signatur

Re: extracting null pointer address from PyCObject with ctypes

On Oct 10, 10:54 pm, Gordon Allott <[EMAIL PROTECTED]> wrote: > Aaron "Castironpi" Brady wrote: > snip > > Last, you > > haven't mentioned an attempt with PyCObject_AsVoidPtr yet: > > > void* PyCObject_AsVoidPtr(PyObject* self) > >     Return

Re: Using multiprocessing

On Oct 10, 10:48 pm, nhwarriors <[EMAIL PROTECTED]> wrote: > On Oct 10, 10:52 pm, "Aaron \"Castironpi\" Brady" > > > > <[EMAIL PROTECTED]> wrote: > > On Oct 10, 3:32 pm, nhwarriors <[EMAIL PROTECTED]> wrote: > > > > I am attemp

Re: Efficient Bit addressing in Python.

On Oct 10, 10:37 pm, "Aaron \"Castironpi\" Brady" <[EMAIL PROTECTED]> wrote: > On Oct 9, 5:30 pm, "Hendrik van Rooyen" <[EMAIL PROTECTED]> wrote: > > > > > Is there a canonical way to address the bits in a structure > > like an arra

Re: Efficient Bit addressing in Python.

On Oct 9, 5:30 pm, "Hendrik van Rooyen" <[EMAIL PROTECTED]> wrote: > Is there a canonical way to address the bits in a structure > like an array or string or struct? > > Or alternatively, is there a good way to combine eight > ints that represent bits into one of the bytes in some > array or string

Re: Using multiprocessing

On Oct 10, 3:32 pm, nhwarriors <[EMAIL PROTECTED]> wrote: > I am attempting to use the (new in 2.6) multiprocessing package to > process 2 items in a large queue of items simultaneously. I'd like to > be able to print to the screen the results of each item before > starting the next one. I'm having

Re: extracting null pointer address from PyCObject with ctypes

On Oct 10, 7:59 pm, Gordon Allott <[EMAIL PROTECTED]> wrote: > Aaron "Castironpi" Brady wrote: > > Yes, well said.  But no, not true, not necessarily.  You can choose/ > > change return types with your code.  If the call is defined already > > and you can'

Re: Where/how to propose an addition to a standard module?

On Oct 10, 2:10 pm, Joe Strout <[EMAIL PROTECTED]> wrote: > I would like to propose a new method for the string.Template class.   > What's the proper procedure for doing this?  I've joined the python- > ideas list, but that seems to be only for proposed language changes,   > and my idea doesn't req

Re: Porn Addiction Solutions?

On Oct 10, 10:33 am, Aspersieman <[EMAIL PROTECTED]> wrote: > On Fri, 10 Oct 2008 16:11:07 +0200, <[EMAIL PROTECTED]> wrote: > > On Oct 10, 7:03 am, Um Jammer NATTY <[EMAIL PROTECTED]> wrote: > >> On Oct 10, 5:37 am, [EMAIL PROTECTED] wrote: > > >> > It's very simple. You need to know the world is

Re: extracting null pointer address from PyCObject with ctypes

On Oct 10, 4:16 pm, Gordon Allott <[EMAIL PROTECTED]> wrote: > Aaron "Castironpi" Brady wrote: > > I see.  If I understand, you have a PyCObject in a dictionary. > > > Look at the 'ctypes' module and try calling PyCObject_AsVoidPtr.  Its > >

Re: extracting null pointer address from PyCObject with ctypes

On Oct 10, 12:04 pm, Gordon Allott <[EMAIL PROTECTED]> wrote: > Aaron "Castironpi" Brady wrote: > > Did you try: > > > tmp= PyLong_FromLong( ( long ) info.info.x11.display ); > > PyDict_SetItemString (dict, "display", tmp); > > Py_DECREF

Re: inspect feature

On Oct 10, 3:36 am, Bruno Desthuilliers wrote: > Aaron "Castironpi" Brady a écrit : > > > > > On Oct 9, 3:48 am, Bruno Desthuilliers > [EMAIL PROTECTED]> wrote: > >> Aaron "Castironpi" Brady a écrit : > > >>> Hello, > >

Re: extracting null pointer address from PyCObject with ctypes

On Oct 10, 5:24 am, Gordon Allott <[EMAIL PROTECTED]> wrote: > Hello :) > > The result of various incompatibilities has left me needing to somehow > extract the address that a null pointer is pointing to with the null > pointer being exposed to python via PyCObject_FromVoidPtr > > the code that cre

Re: Traceback not going all the way to the exception?

On Oct 9, 3:27 am, sert <[EMAIL PROTECTED]> wrote: > I just got an exception and the traceback wouldn't go all the > way to the statement that threw the exception. I found that out > by using the debugger. > > Contrast the traceback: > > http://tinyurl.com/5xglde > > with the debugger output (notic

Re: Safe eval of insecure strings containing Python data structures?

On Oct 9, 1:44 pm, Jason Scheirer <[EMAIL PROTECTED]> wrote: > On Oct 9, 9:01 am, Paul Rubin wrote: > > > Lie Ryan <[EMAIL PROTECTED]> writes: > > > in python 2.6, ast.literal_eval may be used to replace eval() for > > > literals. > > > What happens on literal_eval('[1]*9

Re: inspect feature

On Oct 9, 3:48 am, Bruno Desthuilliers wrote: > Aaron "Castironpi" Brady a écrit : > > > > > Hello, > > > The 'inspect' module has this method: > > > inspect.getargvalues(frame) > > > It takes a frame and returns the parameters used

Re: inspect bug

On Oct 9, 9:47 am, "Gabriel Genellina" <[EMAIL PROTECTED]> wrote: > En Thu, 09 Oct 2008 00:24:20 -0300, Aaron "Castironpi" Brady   > <[EMAIL PROTECTED]> escribió: > > > Found this bug.  It's in 2.6, too bad. > > Posting here is not going

Re: Porn Addiction Solutions?

On Oct 8, 2:07 pm, [EMAIL PROTECTED] wrote: > Help, I'm addicted to porn. I've been spending a lot of time > downloading hardcore porn and masturbating to it. It's ruining my > life. I just found out that one of these sites somehow hacked my card > and rang up $5K in charges which they won't even r

Re: how to get the thighest bit position in big integers?

On Oct 8, 7:21 pm, greg <[EMAIL PROTECTED]> wrote: > Terry Reedy wrote: > > str.find is an historical anomaly that should not be copied.  It > > was(is?) a wrapper for C's string find function.  C routinely uses -1 to > > mean None for functions statically typed to return ints.  The Python > > vers

Re: Safe eval of insecure strings containing Python data structures?

On Oct 8, 7:34 pm, "Warren DeLano" <[EMAIL PROTECTED]> wrote: > I would like to parse arbitrary insecure text string containing nested > Python data structures in eval-compatible form:   > ... > # But I know for certain that the above approach is NOT secure since > object attributes can still be ac

inspect feature

Hello, The 'inspect' module has this method: inspect.getargvalues(frame) It takes a frame and returns the parameters used to call it, including the locals as defined in the frame, as shown. >>> def f( a, b, d= None, *c, **e ): ... import inspect ... return inspect.getargvalues( inspect.

inspect bug

Hi all, Found this bug. It's in 2.6, too bad. Python 2.6 (r26:66721, Oct 2 2008, 11:35:03) [MSC v.1500 32 bit (Intel)] on win 32 Type "help", "copyright", "credits" or "license" for more information. >>> import inspect >>> type( inspect.getargvalues( inspect.currentframe() ) ) Docs say: insp

Re: type-checking support in Python?

On Oct 7, 3:52 pm, Erik Max Francis <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > (e.g., man-day-widgets for > questions like, "If it takes one man three days to make two widgets, how > many widgets can five men make in two weeks?"). Wouldn't that be 'widgets per man-day'? -- http://mail

Re: type-checking support in Python?

On Oct 7, 5:24 am, Bas <[EMAIL PROTECTED]> wrote: > On Oct 7, 8:36 am, Lawrence D'Oliveiro <[EMAIL PROTECTED] > > central.gen.new_zealand> wrote: > > In message <[EMAIL PROTECTED]>, Gabriel > > > Genellina wrote: > > > As an example, in the oil industry here in my country there is a mix of > > > me

Re: Race condition when generating .pyc files

On Oct 7, 10:21 am, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > I have a large body of Python code which runs on many different (Unix) > machines concurrently.  Part of the code lives in one place, but most > of it lives in directories which I find at runtime.  I only have one > copy of each P

Re: Array of dict or lists or ....?

On Oct 7, 10:16 am, "Barak, Ron" <[EMAIL PROTECTED]> wrote: > Would the following be suitable data structure: > ... > struct = {} > struct["Nebraska"] = "Wabash" > struct["Nebraska"]["Wabash"] = "Newville" > struct["Nebraska"]["Wabash"]["Newville"]["topics"] = "Math" > struct["Nebraska"]["Wabash"][

Re: Python 2.6 / 3.0: Determining if a method is inherited

On Oct 6, 1:17 pm, Fuzzyman <[EMAIL PROTECTED]> wrote: > On Oct 6, 7:01 pm, "Aaron \"Castironpi\" Brady" <[EMAIL PROTECTED]> > wrote: > > It's a very object oriented solution.  Essentially you're inheriting > > all the classes that you w

Re: how to get the thighest bit position in big integers?

On Oct 6, 3:37 am, Mark Dickinson <[EMAIL PROTECTED]> wrote: > On Oct 5, 11:40 pm, Terry Reedy <[EMAIL PROTECTED]> wrote: > > > Your point, that taking floor(log2(x)) is redundant, is a good catch. > > However, you should have added 'untested' ;-).  When value has more > > significant bits than the

Re: Python 2.6 / 3.0: Determining if a method is inherited

On Oct 6, 4:30 am, Fuzzyman <[EMAIL PROTECTED]> wrote: > On Oct 6, 1:13 am, MRAB <[EMAIL PROTECTED]> wrote: > > > > > Fuzzyman wrote: > > > Hello all, > > > > I may well be being dumb (it has happened before), but I'm struggling > > > to fix some code breakage with Python 2.6. > > > > I have some c

Re: lint for Python?

On Oct 5, 8:53 am, Pat <[EMAIL PROTECTED]> wrote: > Miki wrote: > > Hello, > > >> In module one, I have a function: > > >> def foo( host, userid, password ): > >>      pass > > >> In module two, I call that function: > > >> foo( userid, password) > > >> lint doesn't find that error and it won't be

Re: When Python should not be used?

On Oct 5, 7:08 pm, Andrea Francia <[EMAIL PROTECTED] HERE.ohoihihoihoih.TO-HERE.gmx.it> wrote: > The right tool depends on the current problem. > > While some python users prefer to talk about when Python is the right > tool I think that it is more instructive to know when it is not. > > Please, co

Re: Python 2.6 / 3.0: Determining if a method is inherited

On Oct 5, 7:13 pm, MRAB <[EMAIL PROTECTED]> wrote: > Fuzzyman wrote: > > Hello all, > > > I may well be being dumb (it has happened before), but I'm struggling > > to fix some code breakage with Python 2.6. > > > I have some code that looks for the '__lt__' method on a class: > > > if hasattr(clr,

Re: how to get the thighest bit position in big integers?

On Oct 5, 7:02 pm, Rich Healey <[EMAIL PROTECTED]> wrote: > > P.S.  Back home, this sort of 'nitpicking' would be judged > > unconstructive.  Worth pointing out, or not worth saying? > > > P.S.S.  'Thighest' bit?  I thought the spam filters would catch that. > > That should be P.P.S. > > PS: This i

Re: how to get the thighest bit position in big integers?

On Oct 5, 2:12 pm, "Aaron \"Castironpi\" Brady" <[EMAIL PROTECTED]> wrote: > Duncan Booth wrote: > > [EMAIL PROTECTED] wrote: > > > OFFSET = dict(("%x"%i, int(c)) for i,c in enumerate("5433")) > > def get_highe

Re: Python 2.6: Determining if a method is inherited

Fuzzyman wrote: Hello all, I may well be being dumb (it has happened before), but I'm struggling to fix some code breakage with Python 2.6. I have some code that looks for the '__lt__' method on a class: if hasattr(clr, '__lt__'): However - in Python 2.6 object has grown a default implementat

Re: del and sets proposal

Bruno Desthuilliers wrote: Steven D'Aprano a écrit : On Sat, 04 Oct 2008 18:36:28 +0200, Bruno Desthuilliers wrote: Lists are the odd one out, because del alist[x] is used to remove the element at position x, rather than removing an element x. Nope. It's perfectly consistent with dicts, wher

Re: how to get the thighest bit position in big integers?

Duncan Booth wrote: [EMAIL PROTECTED] wrote: My question to the group: Does anyone know of a non-hackish way to determine the required bit position in python? I know that my two ideas can be combined to get something working. But is there a *better* way, that isn't that hackish? How about usi

Re: lint for Python?

Pat wrote: I've been searching for a good multi-module lint checker for Python and I haven't found one yet. Pylint does a decent job at checking for errors only within a single module. Here's one of my problems. I have two modules. In module one, I have a function: def foo( host, userid,

Re: lint for Python?

Pat wrote: I've been searching for a good multi-module lint checker for Python and I haven't found one yet. Pylint does a decent job at checking for errors only within a single module. Here's one of my problems. I have two modules. In module one, I have a function: def foo( host, userid,

Re: lint for Python?

Pat wrote: I've been searching for a good multi-module lint checker for Python and I haven't found one yet. Pylint does a decent job at checking for errors only within a single module. Here's one of my problems. I have two modules. In module one, I have a function: def foo( host, userid,

Re: 2to3 refactoring [was Re: Tuple parameter unpacking in 3.x]

Steven D'Aprano wrote: PEP 3113 offers the following recommendation for refactoring tuple arguments: def fxn((a, (b, c))): pass will be translated into: def fxn(a_b_c): (a, (b, c)) = a_b_c pass and similar renaming for lambdas. http://www.python.org/dev/peps/pep-3113/ I'd lik

Re: One class per file?

On Oct 3, 1:51 pm, Bruno Desthuilliers <[EMAIL PROTECTED]> wrote: > greg a écrit : > > > Bruno Desthuilliers wrote: > > >> OTHO, 'one class per file' is a standard idiom in Java and IIRC in C++ > >> (which both have namespaces one way or another) > > > In Java you don't get a choice, because the co

Re: closures and dynamic binding

On Oct 3, 3:47 pm, Terry Reedy <[EMAIL PROTECTED]> wrote: > greg wrote: > > jhermann wrote: > > >> I didn't see this mentioned in the thread yet: the double-lambda is > >> unnecessary (and a hack). > > > Well, the alternative -- abusing default argument values -- > > is seen by many to be a hack as

Re: how to get a class instance name during creation?

On Oct 3, 1:46 pm, Bruno Desthuilliers <[EMAIL PROTECTED]> wrote: > dmitrey a écrit : > > > hi all, > > I have a code > > z = MyClass(some_args) > > can I somehow get info in MyClass __init__ function that user uses "z" > > as name of the variable? > > > I.e. to have __init__ function that creates

Re: execute a function before and after any method of a parent class

On Oct 3, 9:03 am, TP <[EMAIL PROTECTED]> wrote: > Hi everybody, > > I would like to be able to specialize an existing class A, so as to obtain a > class B(A), with all methods of B being the methods of A preceded by a > special method of B called _before_any_method_of_A( self ), and followed by >

Re: What is not objects in Python?

On Oct 3, 5:10 am, "Tim Rowe" <[EMAIL PROTECTED]> wrote: > 2008/9/30 Lie Ryan <[EMAIL PROTECTED]>: > > > Actually str.len and len(str) is just like saying "the string's length" > > and "the length of the string". There is no difference between the two > > except for personal preference. (I am no li

Re: closures and dynamic binding

On Oct 3, 3:44 am, greg <[EMAIL PROTECTED]> wrote: > jhermann wrote: > > I didn't see this mentioned in the thread yet: the double-lambda is > > unnecessary (and a hack). > > Well, the alternative -- abusing default argument values -- > is seen by many to be a hack as well, possibly a worse one. >

2.6 multiprocessing and pdb

Hi, I'm trying to step through a subprocess I launch with multiprocessing. Does anyone know what hack to add? The actual call comes in forking.Popen.__init__, Windows version, forking.py, line 222: hp, ht, pid, tid = _subprocess.CreateProcess( _python_exe, cmd, None,

Re: Inheritance but only partly?

On Oct 2, 3:16 pm, process <[EMAIL PROTECTED]> wrote: > Let's say I have a class X which has 10 methods. > > I want class Y to inherit 5 of them. > > Can I do that? Can I do something along the lines of super(Y, exclude > method 3 4 7 9 10) ? That implies that the 5 you do include don't rely on or

Re: how best to use a dictionary in this function?

On Oct 2, 4:18 am, Terrence Brannon <[EMAIL PROTECTED]> wrote: > Ok, here is some code: > > def calc_profit(std_clicks, vip_clicks, ad_rate=200, > upline_status=None): >     payout = {} >     payout_std = std_clicks * rates['std'].per_click >     payout_vip = vip_clicks * rates['vip'].per_click > >

Re: TypeError: can't pickle HASH objects?

On Oct 2, 4:03 am, est <[EMAIL PROTECTED]> wrote: > On Oct 2, 4:22 pm, "Aaron \"Castironpi\" Brady" <[EMAIL PROTECTED]> > wrote: > > > > > On Oct 2, 2:44 am, est <[EMAIL PROTECTED]> wrote: > > > > On Oct 2, 1:51 pm, "Jame

Re: TypeError: can't pickle HASH objects?

On Oct 2, 2:44 am, est <[EMAIL PROTECTED]> wrote: > On Oct 2, 1:51 pm, "James Mills" <[EMAIL PROTECTED]> wrote: > > > On Thu, Oct 2, 2008 at 3:34 PM, est <[EMAIL PROTECTED]> wrote: > > > wow. It's giga-size file. I need stream reading it, md5 it. It may > > > break for a while. > > > So use generat

Re: Odd Errors

On Oct 2, 12:52 am, Lawrence D'Oliveiro <[EMAIL PROTECTED] central.gen.new_zealand> wrote: > In message <[EMAIL PROTECTED]>, Steven > > D'Aprano wrote: > > On Wed, 01 Oct 2008 22:14:49 +1300, Lawrence D'Oliveiro wrote: > > >> In message > &g

Re: TypeError: can't pickle HASH objects?

On Oct 1, 2:50 pm, est <[EMAIL PROTECTED]> wrote: > >>> import md5 > >>> a=md5.md5() > >>> import pickle > >>> pickle.dumps(a) > > Traceback (most recent call last): >   File "", line 1, in >   File "C:\Python25\lib\pickle.py", line 1366, in dumps >     Pickler(file, protocol).dump(obj) >   File "

Re: Peek inside iterator (is there a PEP about this?)

On Oct 1, 3:14 pm, Terry Reedy <[EMAIL PROTECTED]> wrote: > Luis Zarrabeitia wrote: > > Hi there. > > > For most use cases I think about, the iterator protocol is more than enough. > > However, on a few cases, I've needed some ugly hacks. > > > Ex 1: > > > a = iter([1,2,3,4,5]) # assume you got the

Re: Peek inside iterator (is there a PEP about this?)

On Oct 1, 9:46 am, Luis Zarrabeitia <[EMAIL PROTECTED]> wrote: > Hi there. > > For most use cases I think about, the iterator protocol is more than enough. > However, on a few cases, I've needed some ugly hacks. > > Ex 1: > > a = iter([1,2,3,4,5]) # assume you got the iterator from a function and >

Re: What is not objects in Python?

On Sep 30, 7:39 am, Steve Holden <[EMAIL PROTECTED]> wrote: > Steven D'Aprano wrote: > > On Mon, 29 Sep 2008 21:03:07 -0700, namekuseijin wrote: > > >>> Why isn't len implemented as a str.len and list.len method instead of a > >>> len(list) function? > >> Because postfix notation sucks.  The natura

Re: closures and dynamic binding

On Oct 1, 5:43 am, jhermann <[EMAIL PROTECTED]> wrote: > I didn't see this mentioned in the thread yet: the double-lambda is > unnecessary (and a hack). What you should do when you need early > binding is... early binding. ;) > > Namely: > > f = [lambda n=n: n for n in range(10)] > print f[0]() > p

Re: Music knowledge representation

On Sep 29, 3:56 pm, "D'Arcy J.M. Cain" <[EMAIL PROTECTED]> wrote: > On Mon, 29 Sep 2008 20:29:44 +0200 > > "Mr.SpOOn" <[EMAIL PROTECTED]> wrote: > > > Couldn't the note class simply have a list of all the notes and have a > > > simple method calculate the actual pitch? > > > That's not really how i

Re: closures and dynamic binding

On Sep 29, 9:14 am, Paul Boddie <[EMAIL PROTECTED]> wrote: > On 29 Sep, 05:56, Terry Reedy <[EMAIL PROTECTED]> wrote: > > > > > As I understand it, partly from postings here years ago... > > > Lexical: The namespace scope of 'n' in inner is determined by where > > inner is located in the code -- wh

Re: Odd Errors

On Sep 28, 7:13 pm, alex23 <[EMAIL PROTECTED]> wrote: > The problem is with this: > > >         lines = lines.append(inLine) > > The append method of a list modifies the list in-place, it doesn't > return a copy of the list with the new element appended. In fact, it > returns None, which it then at

Re: Not fully OO ?

On Sep 28, 4:41 pm, "Tim Rowe" <[EMAIL PROTECTED]> wrote: > 2008/9/28 Aaron Castironpi Brady <[EMAIL PROTECTED]>: > > > Before I tried wxFormBuilder, I imagined that C# would be vastly > > faster to develop than Python, for anything requiring any non-tri

Re: closures and dynamic binding

On Sep 28, 4:47 pm, Terry Reedy <[EMAIL PROTECTED]> wrote: > Aaron "Castironpi" Brady wrote: > > On Sep 28, 2:52 am, Steven D'Aprano <[EMAIL PROTECTED] > >> As for why the complicated version works, it may be clearer if you expand > >> it f

Re: generate random digits with length of 5

On Sep 28, 4:08 pm, Michael Ströder <[EMAIL PROTECTED]> wrote: > Gary M. Josack wrote: > > Aaron "Castironpi" Brady wrote: > >> On Sep 28, 2:59 pm, sotirac <[EMAIL PROTECTED]> wrote: > > >>> Wondering if there is a better way to generate st

Re: generate random digits with length of 5

On Sep 28, 3:44 pm, Mensanator <[EMAIL PROTECTED]> wrote: > On Sep 28, 3:11 pm, "Gary M. Josack" <[EMAIL PROTECTED]> wrote: > > > > > Chris Rebert wrote: > > > On Sun, Sep 28, 2008 at 12:59 PM, sotirac <[EMAIL PROTECTED]> wrote: > > > >> Wondering if there is a better way to generate string of numb

Re: generate random digits with length of 5

On Sep 28, 2:59 pm, sotirac <[EMAIL PROTECTED]> wrote: > Wondering if there is a better way to generate string of numbers with > a length of 5 which also can have a 0 in the front of the number. > > >  random_number = random.sample([0,1,2,3,4,5,6,7,8,9], 5) # choose 5 > elements >  code = 'this is

Re: Music knowledge representation

On Sep 28, 2:08 pm, Mr.SpOOn <[EMAIL PROTECTED]> wrote: > On Sun, Sep 28, 2008 at 8:59 PM, Aaron Castironpi Brady > > <[EMAIL PROTECTED]> wrote: > > Here is a link to someone else's design they asked about on the > > newsgroup a couple weeks ag

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