Re: Unable to access module attribute with underscores in class method, Python 3

On Sat, 9 Jan 2016 03:16 am, Chris Angelico wrote: > On Sat, Jan 9, 2016 at 3:07 AM, Steven D'Aprano > wrote: >> If you absolutely insist that you must must must continue to use a double >> underscore name, you could also try this: >> >> py> __a = 1 >> py> class Test: >> ... def method(self):

OT, but

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Re: Strange crash while running a script with a embedded python interpreter

On 01/08/2016 09:18 AM, Rickard Englund wrote: > First, some system info > * Windows 7 (also tested on 8 and 10) > * Python 3.5.1 64bit (previously also tested using several 3.x versions) > (also tested with 32 bit, but with 3.4.2) > * Microsoft Visual Studio 2015 (earlier version of python als

Re: What use is '__reduce__'?

Ian Kelly wrote: > As you found by searching, __reduce__ is used to determine how > instances of the class are pickled. If the example you're using > doesn't do any pickling, then it's not really relevant to the example. > It's probably included so that it won't be missed when the code is > copied

Re: EOFError: marshal data too short -- causes?

On 1/7/2016 7:44 PM, Dennis Lee Bieber wrote: On Thu, 7 Jan 2016 10:55:38 -0800, Glenn Linderman declaimed the following: But all the touched files are .pyc files (and the directories __pycache__ directories). None of the source files were modified. So why would any .pyc files ever be updated

Re: How to remove item from heap efficiently?

So you need a task scheduler with expiration and priority on each task. Interesting Problem.. as peter said about marking the task in heapB to be deleted. but this needs searching everytime you pop off an old item [complexity: O(len(heapB))]. you may as well use python del on it as complexity is s

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Re: extract script from executable made by pyinstaller?

Oscar Benjamin wrote: > On 8 January 2016 at 07:44, Ulli Horlacher > wrote: > > Is it possible to extract (and view) the Python script from the Windows > > executable which was made by pyinstller? > > I may be misremembering but I though that pyinstaller actually stores > the main script uncompr

Re: What use is '() here?

On Friday, January 8, 2016 at 12:44:01 PM UTC-5, Robert wrote: > Hi, > > Thanks Ian for replying to my previous post. Here is a further question on > the 'return' line below. > > > > > import collections > import pickle > class C(collections.defaultdict): > def __init__(self): >

Re: What use is '__reduce__'?

On Friday, January 8, 2016 at 12:04:21 PM UTC-5, Ian wrote: > As you found by searching, __reduce__ is used to determine how > instances of the class are pickled. If the example you're using > doesn't do any pickling, then it's not really relevant to the example. > It's probably included so that it

What use is '() here?

Hi, Thanks Ian for replying to my previous post. Here is a further question on the 'return' line below. import collections import pickle class C(collections.defaultdict): def __init__(self): collections.defaultdict.__init__(self, list) def __reduce__(self): t = coll

Re: What use is '__reduce__'?

As you found by searching, __reduce__ is used to determine how instances of the class are pickled. If the example you're using doesn't do any pickling, then it's not really relevant to the example. It's probably included so that it won't be missed when the code is copied. On Fri, Jan 8, 2016 at 9:

Re: debugging uwsgi

On 08/01/2016 15:03, Robin Becker wrote: I have an unusual bug in a large django project which has appeared when using nginx + uwsgi + django. The configuration nginx + flup + django or the django runserver don't seem to create the conditions for the error. Basically I am seeing an error Trace

What use is '__reduce__'?

Hi, When I try to run the following code: / from collections import Counter, OrderedDict class OrderedCounter(Counter, OrderedDict): 'Counter that remembers the order elements are first seen' def __repr__(self): return '%s(%r)' % (self.__class__.__name__,

Re: Need help on a project To :"Create a class called BankAccount with the following parameters "

On Wednesday, 30 December 2015 19:21:32 UTC+1, Won Chang wrote: > i have these task which i believe i have done well to some level > > Create a function get_algorithm_result to implement the algorithm below > > 1- Get a list of numbers L1, L2, L3LN as argument 2- Assume L1 is the > largest,

Re: Strange crash while running a script with a embedded python interpreter

On Friday, January 8, 2016 at 5:18:56 PM UTC+1, Rickard Englund wrote: > First, some system info > * Windows 7 (also tested on 8 and 10) > * Python 3.5.1 64bit (previously also tested using several 3.x versions) > (also tested with 32 bit, but with 3.4.2) > * Microsoft Visual Studio 2015 (earli

Strange crash while running a script with a embedded python interpreter

First, some system info * Windows 7 (also tested on 8 and 10) * Python 3.5.1 64bit (previously also tested using several 3.x versions) (also tested with 32 bit, but with 3.4.2) * Microsoft Visual Studio 2015 (earlier version of python also tested with Visual Studio 2013) We have tested with

Re: Unable to access module attribute with underscores in class method, Python 3

On Sat, Jan 9, 2016 at 3:07 AM, Steven D'Aprano wrote: > If you absolutely insist that you must must must continue to use a double > underscore name, you could also try this: > > py> __a = 1 > py> class Test: > ... def method(self): > ... x = eval("__a") > ... print(x)

Re: Unable to access module attribute with underscores in class method, Python 3

On Fri, 8 Jan 2016 03:14 am, Joseph Fox-Rabinovitz wrote: > Hi, > > I have a module attribute whose name starts with a pair of underscores. Don't do that. The way to flag a module-level variable as private is with a single leading underscore. Double-leading underscores are intended for use in c

Re: extract script from executable made by pyinstaller?

On 8 January 2016 at 07:44, Ulli Horlacher wrote: > Is it possible to extract (and view) the Python script from the Windows > executable which was made by pyinstller? I may be misremembering but I though that pyinstaller actually stores the main script uncompressed so that it's just in the raw .e

Re: graphs

On 7 January 2016 at 15:36, Saini, Sakshi wrote: > I have a complex dataset and I wish to write a code to create different > graphs from it. I was wondering if it is possible for Python/ matplotlib/ > seaborn to return a cumulative or mean distribution bar graph based on values > in your datas

debugging uwsgi

I have an unusual bug in a large django project which has appeared when using nginx + uwsgi + django. The configuration nginx + flup + django or the django runserver don't seem to create the conditions for the error. Basically I am seeing an error Traceback (most recent call last): File "./pr

Re: PyFladesk :: create GUI apps by Python and HTML, CSS and Javascript.

On 01/07/2016 08:54 PM, jacob Kruger wrote: > I would definitely like to try out something like this - I am primarily > a web developer, and, partly since am 100% blind, any form of GUI design > is at times an issue for me, whereas I have been working with HTML > markup layouts for almost 20 yea

Re: Unable to access module attribute with underscores in class method, Python 3

Joseph Fox-Rabinovitz wrote: > Hi, > > I have a module attribute whose name starts with a pair of underscores. I > am apparently unable to access it directly in a class method (within the > same module, but that is not relevant as far as I can tell). The following > bit of code illustrates the si

Re: How to remove item from heap efficiently?

Sven R. Kunze wrote: > Hi everybody, > > suppose, I need items sorted by two criteria (say timestamp and > priority). For that purpose, I use two heaps (heapq module): > > heapA # items sorted by timestamp > heapB # items sorted by priority > > Now my actual problem. When popping an item of hea

Re: How to remove item from heap efficiently?

You can create a single heap with primary key as timestamp and secondary key as priority, i.e by creating a tuple insert the elements into the heap as (timestamp, priority) If there is any underlying meaning for creating 2 heaps. please mention. On Fri, Jan 8, 2016 at 4:22 AM, Sven R. Kunze wr

python 3.5.1 winsound bug

Dear python team, On my 64bit windows10 the SND_ASYNC flag doesn’t cause the sound to play asynchronously. Nick McElwaine Sent from Mail for Windows 10 -- https://mail.python.org/mailman/listinfo/python-list

graphs

I have a complex dataset and I wish to write a code to create different graphs from it. I was wondering if it is possible for Python/ matplotlib/ seaborn to return a cumulative or mean distribution bar graph based on values in your dataset? E.g. I have a certain volume in m3 for each rainfall e

How to remove item from heap efficiently?

Hi everybody, suppose, I need items sorted by two criteria (say timestamp and priority). For that purpose, I use two heaps (heapq module): heapA # items sorted by timestamp heapB # items sorted by priority Now my actual problem. When popping an item of heapA (that's the oldest item), I need

Re: Unable to access module attribute with underscores in class method, Python 3

> On Thu, Jan 7, 2016 at 11:14 AM, Joseph Fox-Rabinovitz > wrote: > > Hi, > > I have a module attribute whose name starts with a pair of underscores. I am > apparently unable to access it directly in a class method (within the same > module, but that is not relevant as far as I can tell). The f

Unable to access module attribute with underscores in class method, Python 3

Hi, I have a module attribute whose name starts with a pair of underscores. I am apparently unable to access it directly in a class method (within the same module, but that is not relevant as far as I can tell). The following bit of code illustrates the situation: __a = 3 class B: def __init_

Re: SUM only of positive numbers from array

On Friday, January 8, 2016 at 5:13:06 AM UTC+1, Davorin Bajic wrote: > Hi All, > > I should help... > > I want to calculate the sum of a positive number, for each row: > > > x = ((mat_1 / s_1T)-(s_2 / total)) > y = (np.sum(x > 0, axis=1)).reshape(-1, 1).tolist() > > However, this part of the c

Schedule of PythonFOSDEM 2016

Hi all, Just to inform you that there is the PythonFOSDEM on 30th January and the PythonFOSDEM will have a room of 363 seats for the #python community. PythonFOSDEM is the name of the room for the Python community at FOSDEM. FOSDEM is a free event for software developers to meet, share ideas and

Re: (Execution) Termination bit, Alternation bit.

Should be easy to turn that somewhat pseudo code into python code ! :) If it is so easy, why won't you do it? Not sure why, I use SikuliX and it's kinda buggy and slow, and I also had little time, it's also pretty trivial and I doubt you guys will have a solution that will actually work, so i

Re: extract script from executable made by pyinstaller?

On Fri, Jan 8, 2016 at 6:44 PM, Ulli Horlacher wrote: > Is it possible to extract (and view) the Python script from the Windows > executable which was made by pyinstller? To some extent, yes. You might only get the .pyc files, rather than the proper source code, but you should be able to get some

Re: SUM only of positive numbers from array

Davorin Bajic wrote: > Hi All, > > I should help... > > I want to calculate the sum of a positive number, for each row: > > > x = ((mat_1 / s_1T)-(s_2 / total)) > y = (np.sum(x > 0, axis=1)).reshape(-1, 1).tolist() > > However, this part of the code only calculation count, I need sum. > > An