On 21.03.2016 21:42, Matt Wheeler wrote:
On 20 March 2016 at 16:46, Sven R. Kunze wrote:
On 19.03.2016 00:58, Matt Wheeler wrote:
I know you have a working solution now with updating the code &
defaults of the function, but what about just injecting your function
into the modules that
Hi everybody,
I got another module up and running: xcache
Background described here:
http://srkunze.blogspot.com/2016/03/safe-cache-invalidation.html
We needed a way to safely invalidate rlu_caches once a Web request has
been finished. So, we came up with a solution using garbage collection
On 23.03.2016 09:24, dieter wrote:
But you have observed that you cannot do everything with a
code substitution: a function call does not only depend on the code
but also on other properties of the function object: e.g. the
parameter processing.
Yep, that's because Python is very flexible and p
On 24.03.2016 11:57, Matt Wheeler wrote:
import ast
s = "(1, 2, 3, 4)"
t = ast.literal_eval(s)
t
(1, 2, 3, 4)
I suppose that's the better solution in terms of safety.
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On 24.03.2016 14:22, Matt Wheeler wrote:
On Thu, 24 Mar 2016 11:10 Sven R. Kunze, wrote:
On 24.03.2016 11:57, Matt Wheeler wrote:
import ast
s = "(1, 2, 3, 4)"
t = ast.literal_eval(s)
t
(1, 2, 3, 4)
I suppose that's the better solution in terms of safety.
It has the added
Hi everybody,
is there something like a hook that a Python module could register to in
order to 'trace' the entering and leaving of arbitrary try blocks?
What is this good for?
I am the maintainer of https://pypi.python.org/pypi/xfork . A package
for converting a classic sequential program
Unfortunately, no. :(
It should work out of the box with no "let me replace all my try-except
statements in my 10 million line code base".
On 12.08.2015 17:32, Ian Kelly wrote:
On Tue, Aug 11, 2015 at 3:47 PM, Sven R. Kunze wrote:
is there something like a hook that a Python mo
On 12.08.2015 18:11, Chris Angelico wrote:
On Thu, Aug 13, 2015 at 2:05 AM, Sven R. Kunze wrote:
Unfortunately, no. :(
It should work out of the box with no "let me replace all my try-except
statements in my 10 million line code base".
(Please don't top-post.)
Is this so
On 13.08.2015 02:45, Chris Angelico wrote:
On Thu, Aug 13, 2015 at 6:54 AM, Mark Lawrence wrote:
On 12/08/2015 19:44, Sven R. Kunze wrote:
On 12.08.2015 18:11, Chris Angelico wrote:
(Please don't top-post.)
Is this some guideline? I actually quite dislike pick somebody's mail to
On 12.08.2015 20:44, Sven R. Kunze wrote:
On 12.08.2015 18:11, Chris Angelico wrote:
Sounds to me like you want some sort of AST transform, possibly in an
import hook. Check out something like MacroPy for an idea of how
powerful this sort of thing can be.
Sounds like I MacroPy would enable me
Am 14-Aug-2015 03:00:05 +0200 schrieb torr...@gmail.com:
> But I digress. We get sidetracked rather easily around here.
You don't say. ;)
-
FreeMail powered by mail.de - MEHR SICHERHEIT, SERIOSITÄT UN
Hi,
following up on this thread on StackOverflow
http://stackoverflow.com/questions/16515347/python-import-hooks-and-main
does somebody has a great idea how to manage this?
The issue at hand is, that I would like to apply a specific import hook
right from the beginning of the interpreter run
On 23.08.2015 23:43, Charles Hixson wrote:
If I understand correctly asyncio, coroutines, etc. (and, of course,
Threads) are not simultaneously executed, and that if one wants that
one must still use multiprocessing. But I'm not sure. The note is
still there at the start of threading, so I'm p
Hey Victor,
for proper parsing into native Python types, I would recommend YAML.
Also also supports (besides int vs. float) dates and datetimes.
Cheers,
Sven
On 28.08.2015 07:04, Victor Hooi wrote:
Actually, I've just realised, if I just test for numeric or try to cast to
ints, this will bre
28.08.2015 um 18:09 schrieb Sven R. Kunze:
>> I'm reading JSON output from an input file, and extracting values.
>
for proper parsing into native Python types, I would recommend YAML.
"What's the best way to get from A to B?"
"I recommend starting at C."
- E
I agree as well. First evaluate the right side, then assign it to the
left side at once.
On 02.09.2015 12:22, Nick Sarbicki wrote:
That's interesting. I agree with you, I'd prefer the second result in
both cases.
But makes sense as it evaluates left to right and seems to break up
the unpacki
On 02.09.2015 20:47, t...@freenet.de wrote:
I agree with Skybuck Flying.
I am aware if a var is a module function var or a module global var.
If I want read or write a global var.
Using the keyword global inside each(!) function only
to mark the global var writeable in each of the functions
is r
On 02.09.2015 19:42, Terry Reedy wrote:
On 9/2/2015 6:01 AM, Antoon Pardon wrote:
a = [1, 2, 3, 4, 5]
b = 1
b, a[b] = a[b], b
a
[1, 2, 1, 4, 5]
a = [1, 2, 3, 4, 5]
b = 1
a[b], b = b, a[b]
a
[1, 1, 3, 4, 5]
I think I understand how it gets these results
but I'm not really happy with them. I
On 03.09.2015 14:20, ast wrote:
Hello,
At the end of the last line of the following program,
there is a comma, I dont understand why ?
Thx
from cx_Freeze import setup, Executable
# On appelle la fonction setup
setup(
name = "salut",
version = "0.1",
description = "Ce programme vous d
On 03.09.2015 00:25, t...@freenet.de wrote:
It is the good idea of Python about modules which are singletons
and therefore have already its state (so in some way they are already somehow
like classes - except the bad annoying thing with the "global" statement).
So, what you really want is a bet
On 03.09.2015 03:17, random...@fastmail.us wrote:
The question is what does "assign it to the left side at once" even
*mean* in the presence of subscripts? Build up a list of
object-subscript pairs (evaluating all the subscripts, including if any
may have side effects) before executing any __set
On 04.09.2015 05:36, random...@fastmail.us wrote:
You haven't demonstrated that the RHS is affected by anything. The
sample code in the original post of this thread behaves identically if
the RHS is a simple tuple of (2, 1) [or (1, 2)] respectively. If you
have another sample that shows differe
On 04.09.2015 18:55, t...@freenet.de wrote:
From knowing e.g Java as OO language I had no need to set
such a keyword "global" to get write access to class members.
It is true and I really dislike Java for having this. Please consider this
class MyClass:
@classmethod
def method(cls):at
Hi folks,
currently, I came across http://pythonwheels.com/ during researching how
to make a proper Python distribution for PyPI. I thought it would be
great idea to tell other maintainers to upload their content as wheels
so I approached a couple of them. Some of them already provided wheels.
On 06.09.2015 22:06, Ned Batchelder wrote:
As a developer of a Python package, I don't see how this would be better.
The developer would still have to get their software into some kind of
uniform configuration, so the central authority could package it. You've
moved the problem from, "everyone h
On 09.09.2015 19:55, Steven D'Aprano wrote:
On Wed, 9 Sep 2015 11:09 am, Mario Figueiredo wrote:
You know, it is a pointless exercise to try and downplay programming
languages (any programming language) that has proven its worth by being
generally adopted by the programming community. Adoption
On 09.09.2015 21:00, Chris Angelico wrote:
Suppose it's possible, somehow, to design the perfect language. (It
isn't, because the best language for a job depends on the job, but
suppose it for the nonce.) It is simultaneously more readable than
Python, more ugly than Perl, more functional than Ha
http://stackoverflow.com/questions/2356399/tell-if-python-is-in-interactive-mode
On 10.09.2015 19:54, Steven D'Aprano wrote:
I have a function which is intended for use at the interactive interpreter,
but may sometimes be used non-interactively. I wish to change it's output
depending on the con
is the reason for this special behavior?
On 10.09.2015 20:03, Sven R. Kunze wrote:
http://stackoverflow.com/questions/2356399/tell-if-python-is-in-interactive-mode
On 10.09.2015 19:54, Steven D'Aprano wrote:
I have a function which is intended for use at the interactive
interpreter,
bu
On 10.09.2015 20:12, Ben Finney wrote:
First thing in the morning I will purchase a head of cabbage and store
it in a warm place to make it rot, on the off chance you find some
obscure way to achieve your benighted goal, just so I can be first in
line to throw it as you pass.
Well, go ahead. An
On 10.09.2015 20:14, Ben Finney wrote:
"Sven R. Kunze" writes:
http://stackoverflow.com/questions/2356399/tell-if-python-is-in-interactive-mode
I'm pretty sure Steven knows full well the answer to that question,
which is not anything like the one he asked. Would you care to re
On 10.09.2015 20:34, Sven R. Kunze wrote:
You are right. I turned out to me harder that I first thought.
My initial guess was like: use AST. But now I see, it would be hard to
get the source code.
So, what actually could work, would be faking the interactive
interpreter wrapping it up and
Oops, missing print:
On 10.09.2015 20:45, Sven R. Kunze wrote:
On 10.09.2015 20:34, Sven R. Kunze wrote:
You are right. I turned out to me harder that I first thought.
My initial guess was like: use AST. But now I see, it would be hard
to get the source code.
So, what actually could work
On 16.09.2015 18:16, Marko Rauhamaa wrote:
Chris Angelico :
Far as I can see, the only operator that you might want to disallow
chaining on is 'in' (and its mate 'not in', of course). It isn't
common, but "x is y is z is None" is a perfectly reasonable way to
ascertain whether or not they're al
On 16.09.2015 18:57, Random832 wrote:
I think that chaining should be limited to:
A) all operators are "="
B) all operators are "is"
C) all operators are either >= or >
D) all operators are either <= or <
That certainly would be a fine guideline. Only use it with all operators
the same.
Eve
On 16.09.2015 19:33, Steven D'Aprano wrote:
On Thu, 17 Sep 2015 01:40 am, Random832 wrote:
"in" suggests a relationship between objects of different types (X and
"something that can contain X") - all the other comparison operators are
meant to work on objects of the same or similar types.
`is`
On 16.09.2015 19:36, Random832 wrote:
I just had another thought on *why* the other cases make me so uneasy.
The reason this is reasonable for simple cases like a > b > c or a < b
<= c is that, in their normal meanings, these operations are transitive.
a > b and b > c implies a > c. a < b and b
On 16.09.2015 19:39, Steven D'Aprano wrote:
node = left <= ptr => right
Wow. I have absolutely no idea what this is supposed to mean. Do you
care to elaborate?
Best,
Sven
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On 16.09.2015 19:46, Grant Edwards wrote:
On 2015-09-16, Steven D'Aprano wrote:
node = left <= ptr => right
Exactly. I've no clue what that means. ;)
Modern art. ;)
Best,
Sven
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https://mail.python.org/mailman/listinfo/python-list
On 16.09.2015 22:55, Random832 wrote:
On Wed, Sep 16, 2015, at 16:38, Mark Lawrence wrote:
On 16/09/2015 18:41, Sven R. Kunze wrote:
On 16.09.2015 19:33, Steven D'Aprano wrote:
And with operator overloading, < <= > and => could have any meaning you
like:
graph = a =&
On 16.09.2015 21:47, Grant Edwards wrote:
On 2015-09-16, Sven R. Kunze wrote:
On 16.09.2015 19:46, Grant Edwards wrote:
On 2015-09-16, Steven D'Aprano wrote:
node = left <= ptr => right
Exactly. I've no clue what that means. ;)
Modern art. ;)
Ah, well I know that _tha
On 16.09.2015 23:30, Mark Lawrence wrote:
Barry John art is also art. So, why does Python not have Barry John
art to define graphs and diagrams?
Too colorful for a grammer?
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On 17.09.2015 08:39, Gregory Ewing wrote:
Sven R. Kunze wrote:
Btw. ASCII art is also art. So, why does Python not have ASCII art to
define graphs and diagrams?
Nowadays it would have to support Unicode art. Mustn't
leave out all the world's non-English-speaking artists!
How
Well, I would be interested in seeing such a module as well.
Most modules and frameworks, I know, providing REST and interacting with
REST are more like traditional SOAP-like web services. You got your
functions which have a 1-to-1 correspondence with some resource URLs and
that's it.
Actual
On 17.09.2015 23:38, Marko Rauhamaa wrote:
Random832 :
It being *easier to implement* to have comparison operators be a
single class and have chaining apply equally to all of them may be an
excuse for the language to allow it, but it's certainly not an excuse
for *actually* using it from a stan
On 17.09.2015 23:26, Tim Chase wrote:
On 2015-09-17 22:46, Sven R. Kunze wrote:
Btw. ASCII art is also art. So, why does Python not have ASCII
art to define graphs and diagrams?
Nowadays it would have to support Unicode art. Mustn't
leave out all the world's non-English-speaking art
On 18.09.2015 17:28, Joseph L. Casale wrote:
So a design pattern I use often is to create Python objects to represent
objects returned from what ever api I am abstracting. For example I
might create named tuples for static data I dont intend to change or
for an object I can both query for and cre
Hi Joseph,
the basic wiring instances together is done via the assignment operator:
"=". Like: queue._api = foo. Now, the "queue" knows about its API instance.
Question now is, when do you do "="?
On 18.09.2015 23:43, Joseph L. Casale wrote:
This is where I am going, but how do you perform d
Hmm, why not. :D
On 22.09.2015 20:43, Python_Teacher via Python-list wrote:
you have 10 minutes😂 Good luck!!
1. What is PEP8 ?
A PEP.
2. What are the different ways to distribute some python source code ?
unison, rsync, scp, ftp, sftp, samba, http, https, mail, git,
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