On Jul 25, 2:04 am, Gregory Ewing wrote:
> Frank Millman wrote:
> > I know I am flogging a dead horse here, but IMHO, '165', '165.',
> > '165.0', and '165.00' are all valid string representations of the
> > integer 165.[1]
>
Thanks, Paul and Peter.
It seemed like a good idea at the time.
Thank you for straightening me out.
Frank
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"John Machin" wrote:
On Feb 23, 7:47 pm, "Frank Millman" wrote:
[snip lots of valuable info]
The issue is not that 2to3 should handle this correctly, but that it
should
give a more informative error message to the unsuspecting user.
Your Python 2.x code should be TE
is the main lesson I
have taken away from this.
Frank
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rings or integers, so it looks as if this
approach should be safe. Do you see any problem with it?
Frank
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t works, but it seems to be defeating the purpose of PEP 328, which I
thought was an improvement.
Any comments or suggestions will be appreciated.
Frank Millman
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both windows
and linux. It works using python 2.6.
I can fix it by changing a.py from 'import b' to 'from . import b'.
As I understand it, the reason is that python 3.x will no longer look for an
absolute import in the current package - it will only look in sys.path.
Frank Millman
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"Ben Finney" wrote in message
news:87aahh6401@benfinney.id.au...
"Frank Millman" writes:
Assume the following structure -
main.py
/pkg
__init__.py
mod1.py
mod2.py
main.py
from pkg import mod1
mod1.py
import mod2
mod2.py
import mod1
What a
"人言落日是天涯，望极天涯不见家" wrote in message
news:fa94323b-d859-4599-b236-c78a22b3d...@t19g2000prd.googlegroups.com...
On Feb 27, 9:22 pm, "Frank Millman" wrote:
This behavior is by design or just a bug for Python3.x ?
Definitely by design.
Have a look at PEP 328 - http://www
"人言落日是天涯，望极天涯不见家" wrote in message
news:9529d52b-01b2-402c-a0a0-1e9240038...@l14g2000pre.googlegroups.com...
On Feb 27, 9:38 pm, "Frank Millman" wrote:
"人言落日是天涯，望极天涯不见家" wrote in message
news:fa94323b-d859-4599-b236-c78a22b3d...@t19g2000prd.googlegroup
"Steven D'Aprano" wrote in message
news:4d6a56aa$0$29972$c3e8da3$54964...@news.astraweb.com...
On Sun, 27 Feb 2011 12:08:12 +0200, Frank Millman wrote:
Assume the following structure -
main.py
/pkg
__init__.py
mod1.py
mod2.py
main.py
from pkg impor
t runs with no errors. I even put a couple of print statements
(or must I call them print functions now) into the modules being imported,
and the messages do appear, so the modules are being imported.
HTH
Frank Millman
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ot;' + session_id + b'"'))
It works, but it is not pretty. Is there a more elegant solution?
Thanks
Frank Millman
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On Mar 4, 6:40 pm, nn wrote:
> On Mar 4, 7:32 am, "Frank Millman" wrote:
>
> > Hi all
>
> > I want to create a cookie containing a session id. In python 2.6 I had the
> > following -
>
> > from __future__ import unicode_literals
> > session_id
"Rafael Durán Castañeda" wrote...
Thank you for your answer Frank, I think I've found the problem. I was
calling modules from inside subpackages, and I need to use them from
outside, so I have package in PYTHONPATH. is that correct? But now I have
another question: Can I ex
in the search path.
In your scripts you have to 'import' the package first, to ensure that these
lines get executed.
My 2c
Frank Millman
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Hi all
On linux, python 3.2 -
x = input()
xyz
len(x)
3
x
'xyz'
on windows, python 3.2 -
x = input()
xyz
len(x)
4
x
'xyz\r'
Is this expected behaviour?
Frank Millman
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"Peter Otten" <__pete...@web.de> wrote in message
news:iomla6$p8f$1...@dough.gmane.org...
Frank Millman wrote:
On linux, python 3.2 -
x = input()
xyz
len(x)
3
x
'xyz'
on windows, python 3.2 -
x = input()
xyz
len(x)
4
x
'xyz\r'
Is this ex
when you create your own class, you
can give it any attributes you like, and call them whatever you like.
If you changed 'payload' in the above to 'xyz', it would work exactly the
same.
Frank Millman
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, in new pence,
came to four figures. She then, talking to herself, did the next bit of the
calculation. 'Lets see, there are 100 new pence in a pound, so divide the
total by 100, ...'. She worked the whole thing out using just pencil and
paper, and then when she had written down the result, exclaimed 'Oh, it’s
the same!'.
Frank Millman
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.append(('a', 'b', 'c'))
x.append(('p', 'q', 'r'))
x
[('a', 'b', 'c'), ('p', 'q', 'r')]
Does this help?
Frank Millman
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0ZZZ sed do euismod tempor incididunt'
... ' ut labore et dolore magna aliqua.')
print(textwrap.fill(text, 59))
Lorum ipsum dolor sit amet, consectetur adipiscing elit
ZZZ ZZZ sed do euismod tempor incididunt ut labore et
dolore magna aliqua.
It seems to have been fixed.
Frank Millman
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por incididunt ut labore et dolore
magna aliqua.
C:\Users\User>py -3.6 aib\aib\test_db100.py
Lorum ipsum dolor sit amet, consectetur adipiscing elit
ZZZ ZZZ sed do euismod tempor incididunt ut labore et
dolore magna aliqua.
It confirms that the problem was there in 3.5, but is fixed in 3.6
T are necessary because it does not use indentation or
braces to terminate blocks, it uses keywords.
Frank Millman
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the program hangs.
If I add a timeout to the second one, it behaves the same as the first one.
Is there a reason for this?
I am using version 3.6.0.
Thanks
Frank Millman
import asyncio
from itertools import count
async def counter1():
cnt = count(1)
try:
while True
"Frank Millman" wrote in message news:ov5v3s$bv7$1...@blaine.gmane.org...
Below is a simple asyncio loop that runs two background tasks.
[...]
Both take an optional timeout.
If I use the first method without a timeout, the cancellation completes
and the loop stops.
If I use
"Ian Kelly" wrote in message
news:calwzidmrpfrr5mrejjyz+bdgtqlwy-sp+a_zc6zq7ebaz9g...@mail.gmail.com...
On Fri, Nov 24, 2017 at 6:31 AM, Frank Millman wrote:
> "Frank Millman" wrote in message news:ov5v3s$bv7$1...@blaine.gmane.org...
>
>> Below is a s
he 'while' loop?
If not, give it a shot and see what happens.
Frank Millman
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"Cai Gengyang" wrote in message
news:a8335d2c-1fb9-4ba9-b752-418d19e57...@googlegroups.com...
On Tuesday, November 28, 2017 at 4:18:04 PM UTC+8, Frank Millman wrote:
> "Cai Gengyang" wrote in message
> news:c2dfc9c4-3e16-480c-aebf-553081775...@googlegroups.com...
&g
7;.pgp'. He
did so, tried again, and said 'Ah, now it works'.
Frank Millman
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upon?
Thanks
Frank Millman
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"Peter Otten" wrote in message news:p31v3m$pji$1...@blaine.gmane.org...
Frank Millman wrote:
> Hi all
>
> I have read that one should not call dunder methods in application code.
>
> Does the same apply to dunder variables? I am thinking of the instance
> attr
"Frank Millman" wrote in message news:p321rb$9ct$1...@blaine.gmane.org...
"Peter Otten" wrote in message news:p31v3m$pji$1...@blaine.gmane.org...
Frank Millman wrote:
> Hi all
>
> I have read that one should not call dunder methods in application code.
>
"Steven D'Aprano" wrote in message news:p32g4v$v88$2...@blaine.gmane.org...
On Tue, 09 Jan 2018 11:28:03 +0200, Frank Millman wrote:
> I have a class call Context containing only data, not methods. Instances
> are passed around a lot in my application, with various method
rely on it being 'obvious'. Maybe there is no
logical way of identifying it.
I am sure you will need more details if you want to assist, but maybe there
is some literature you can point me to that explains these things in more
detail.
Thanks
Frank Millman
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"Steven D'Aprano" wrote in message news:p3f9uh$ar4$1...@blaine.gmane.org...
On Sun, 14 Jan 2018 10:30:31 +0200, Frank Millman wrote:
> I can detect a cycle in a path. It is possible for there to be more than
> one gateway in the path. I want to identify the gateway that
"Christian Gollwitzer" wrote in message news:p3gh84$kfm$1...@dont-email.me...
Am 14.01.18 um 22:04 schrieb Christian Gollwitzer:
> Am 14.01.18 um 09:30 schrieb Frank Millman:
>> I need to detect when a 'cycle' occurs - when a path loops back on
>> itself and
"MRAB" wrote in message
news:1f67363c-4d2a-f5ac-7fa8-b6690ddba...@mrabarnett.plus.com...
On 2018-01-15 06:15, Frank Millman wrote:
> I start my cycle-detection with a node with 0 incoming connections.
>
> def find_cycle(node, path):
> for output in node.outputs:
&
ct([(k, v) for k, v in dict_1.items()] + [(k, v) for k, v in
dict_2.items()])
{1: 'one', 2: 'two', 3: 'three'}
So I have 2 questions -
1. Is there any particular reason why '|' is not supported?
2. Is there a better way to do what I want?
Thanks
Frank Millman
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"Ian Kelly" wrote in message
news:calwzidkp3ls4s-zi3ax6no-68kw4_xdozvwa-cj+oz+apqr...@mail.gmail.com...
On Mon, Feb 5, 2018 at 12:35 AM, Frank Millman wrote:
> So I have 2 questions -
>
> 1. Is there any particular reason why '|' is not supported?
'|&#x
>
>>> '{x[1]}'.format(**vars())
'1'
>>>
>>> '{x[-1]}'.format(**vars())
Traceback (most recent call last):
File "", line 1, in
TypeError: list indices must be integers or slices, not str
>>>
Can anyone explain this
On 2022-07-20 11:37 AM, Chris Angelico wrote:
On Wed, 20 Jul 2022 at 18:34, Frank Millman wrote:
Hi all
C:\Users\E7280>python
Python 3.9.7 (tags/v3.9.7:1016ef3, Aug 30 2021, 20:19:38) [MSC v.1929 64
bit (AMD64)] on win32
Type "help", "copyright", "credits"
On 2022-07-20 12:31 PM, Frank Millman wrote:
On 2022-07-20 11:37 AM, Chris Angelico wrote:
On Wed, 20 Jul 2022 at 18:34, Frank Millman wrote:
Hi all
C:\Users\E7280>python
Python 3.9.7 (tags/v3.9.7:1016ef3, Aug 30 2021, 20:19:38) [MSC v.1929 64
bit (AMD64)] on win32
Type "help"
://github.com/python/cpython/issues/95088
Frank
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not, feel free to come back with
more questions.
BTW, there is an indentation error in your original post - line 5 should
line up with line 4. It is preferable to copy/paste your code into any
messages posted here rather than type it in, as that avoids the
possibility of any typos.
Frank Millman
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largely independently of the names that are or are not
referencing the objects.
My 'aha' moment came when I understood that a python object has only
three properties - a type, an id, and a value. It does *not* have a name.
Frank Millman
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nner
I have not figured out how to adapt my code to use this new approach.
Any suggestions appreciated.
Frank Millman
P.S. Might it be better to ask these questions on the Async_SIG
Discussion Forum?
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On 2023-01-26 7:16 PM, Dieter Maurer wrote:
Frank Millman wrote at 2023-1-26 12:12 +0200:
I have written a simple HTTP server using asyncio. It works, but I don't
always understand how it works, so I was pleased that Python 3.11
introduced some new high-level concepts that hide the gory de
On 2023-01-27 2:14 PM, Frank Millman wrote:
I have changed it to async, which I call with 'asyncio.run'. It now
looks like this -
server = await asyncio.start_server(handle_client, host, port)
await setup_companies()
session_check = asyncio.create_task(
chec
On 2023-02-15 5:59 AM, Thomas Passin wrote:
>
> "Download the latest release from http://www.sqlite.org/download.html
> and manually copy sqlite3.dll into Python's DLLs subfolder."
>
I have done exactly this a number of times and it has worked for me.
Frank Millman
run from interpreter directly:
f = open("abc", "w")
for i in range(5):
f.write(str(i) + "\n")
use
with open("abc", "w") as f:
for i in range(5):
f.write(str(i) + "\n")
and all is well
Frank
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ee.parse(gf) to convert to an etree object
It works.
But I don't know what goes on under the hood, so I don't know if this
achieves anything. If any of the steps involves decompressing the data
and storing the entire string in memory, I may as well stick to my
present approach.
Any
I use for this arrangement is 'sub-types'.
Frank Millman
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I expected.
>>>
>>> s = []
>>> s.append(((b, c) for b, c in a))
>>> s
[ at 0x019FC3F863C0>]
>>>
I expected the same as the first one.
I understand the concept that a generator does not return a value until
you call next() on it, but I have
On 2021-03-06 8:21 AM, Frank Millman wrote:
Hi all
This is purely academic, but I would like to understand the following -
>>>
>>> a = [('x', 'y')]
>>>
>>> s = []
>>> for b, c in a:
... s.append((b, c))
...
>>>
#x27;Calling' a generator function does not execute the function, it returns
a generator object.
You have to iterate over the generator object (e.g. by calling next() on
it) in order to execute the function and return values.
Frank Millman
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y *fun* generators people may have seen or written? Not so much the cool
or clever ones. Or the mathematical ones (e.g. fib). Something more inane and
"fun". But still showcasing generators uniqueness. Short and simple is good.
Thanks in advance!
Have you looked at this?
http://www.da
item in x[:-y] if y else x:
... [do stuff]
But in my actual program, both x and y are fairly long expressions, so
the result is pretty ugly.
Are there any other techniques anyone can suggest, or is the only
alternative to use if...then...else to cater for y = 0?
Thanks
Frank Millman
--
ht
On 2021-11-26 11:17 AM, Frank Millman wrote:
Hi all
In my program I have a for-loop like this -
>>> for item in x[:-y]:
... [do stuff]
'y' may or may not be 0. If it is 0 I want to process the entire list
'x', but of course -0 equals 0, so it returns an empt
On 2021-11-26 11:24 PM, dn via Python-list wrote:
On 26/11/2021 22.17, Frank Millman wrote:
In my program I have a for-loop like this -
for item in x[:-y]:
... [do stuff]
'y' may or may not be 0. If it is 0 I want to process the entire list
'x', but of course -0 equ
ing in assembler. I recall my
boss telling me that the ICL assembler was called PLAN, which was an
acronym, but I forget what it stood for.
Frank Millman
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7;, 'fff', 'ggg']
I can also do this -
>>> from itertools import chain
>>> a = list(chain(*d.values()))
>>> a
['aaa', 'bbb', 'ccc', 'fff', 'ggg']
>>>
Is there a simpler way?
Thanks
Frank Millman
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On 2022-02-22 11:30 AM, Chris Angelico wrote:
On Tue, 22 Feb 2022 at 20:24, Frank Millman wrote:
Hi all
I think this should be a simple one-liner, but I cannot figure it out.
I have a dictionary with a number of keys, where each value is a single
list -
>>> d = {1: ['aaa
7;]
Now that's what I was looking for.
I am not saying that I will use it, but as an academic exercise I felt
sure that there had to be a one-liner in pure python.
I had forgotten about nested comprehensions. Thanks for the reminder.
Frank
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rgs: "_param.auto_party_id"
not_exists:
literal:
_value: ""
_src: "_param.auto_party_id"
_op: is_not
_tgt: "$None"
This seems even worse from a readability point of view. The arguments to
'compare' are a long way away from the block to be executed.
Can anyone offer an alternative which is closer to my original intention?
Thanks
Frank Millman
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"Frank Millman" wrote in message news:npkcnf$kq7$1...@blaine.gmane.org...
Hi all
I have mentioned in the past that I use XML for storing certain structures
'off-line', and I got a number of comments urging me to use JSON or YAML
instead.
Can anyone offer an alterna
"Chris Angelico" wrote in message
news:CAPTjJmq2bcQPmQ9itVvZrBZJPcbYe5z6vDpKGYQj=8h+qkv...@mail.gmail.com...
On Thu, Aug 25, 2016 at 3:33 PM, Frank Millman wrote:
@Peter/Chris
> I don't understand - please explain.
>
> If I store the business rule in Python code, ho
has yet convinced me
that the alternatives are any better. I may eventually end up with an
additional layer that prompts the user through their requirement in 'wizard'
style, and generates the underlying XML (or whatever) automatically.
Frank
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"Frank Millman" wrote in message news:nplvvl$ci2$1...@blaine.gmane.org...
Hi all
I have mentioned in the past that I use XML for storing certain structures
'off-line', and I got a number of comments urging me to use JSON or YAML
instead.
Can anyone offer an alterna
"Peter Otten" wrote in message news:npmti0$qvu$1...@blaine.gmane.org...
Frank Millman wrote:
> At the risk of disappointing some of you, this is how I am going to
> proceed.
'Tis too late for me to stop ;)
> The problem that prompted this thread was the
"Peter Otten" wrote in message news:npn25e$s5n$1...@blaine.gmane.org...
Frank Millman wrote:
As you have to keep the "<", why bother?
If you mean why don't I convert the '<' to '<', the answer is that I do
- I just omitted to say so. H
"Joonas Liik" wrote in message
news:cab1gnpqnjdenaa-gzgt0tbcvwjakngd3yroixgyy+mim7fw...@mail.gmail.com...
On 26 August 2016 at 08:22, Frank Millman wrote:
>
> So this is my conversion routine -
>
> lines = string.split('"') # split on attributes
> fo
;, "&")
i should note tho that this example is very ad-hoc, i'm no xml expert just
know a bit about xml entities. if you decide to go this route there are
probably some much better tested functions out there to escape text for
storage in xml documents.
Thanks very much, Joonas.
I understand now, and it seems to work fine.
As a bonus, I can now include '&' in my attributes in the future if the need
arises.
Much appreciated.
Frank
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treeElement, and step through it. Each 'tag'
in the XML maps to a function name in the processing module -
for xml in elem:
await globals()[xml.tag](caller, xml)
The built-in ElementTree would work for this, but I actually use lxml,
because I use a little bit of xpath
immutable, and that all of the above
operations create a new tuple.
Frank Millman
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"Frank Millman" wrote in message news:nqtlue$unj$1...@blaine.gmane.org...
Assume you have a tuple of tuples -
a = ((1, 2), (3, 4))
You want to add a new tuple to it, so that it becomes -
((1, 2), (3, 4), (5, 6))
Thanks all.
The one I was looking for was
a +=
"Ned Batchelder" wrote in message
news:44e067ce-f499-4ca8-87bd-94b18dfc0...@googlegroups.com...
On Friday, September 9, 2016 at 6:13:37 AM UTC-4, Frank Millman wrote:
> "Frank Millman" wrote in message news:nqtlue$unj$1...@blaine.gmane.org...
>
> The one I was lo
this is
doable at all, or is groupby not designed for this.
Thanks
Frank Millman
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;a': {}}
id(t)
2542235910088
It has also rebound 'r' so that it now references the new empty dictionary
that has been inserted.
r
{}
id(r)
2542234429896
t['a']
{}
id(t['a'])
2542234429896
Now continue this process with r = r.setdefault('b', {}), and watch what
happens.
Hopefully this will help you to understand. Feel free to ask further if not
sure.
Frank Millman
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wrote in message
news:01cfd810-0561-40b1-a834-95a73dad6...@googlegroups.com...
在 2016年10月20日星期四 UTC+8下午1:32:18，Frank Millman写道：
wrote in message
news:5506e4d8-bd1d-4e56-8d1b-f71fa8293...@googlegroups.com...
> Let's see if I can explain. I am using 't' and 'r' i
accessed by key 'a') that
changes to {'b': {}} and t becomes {'a': {'b': {}}}.
Yup, you have got it :-)
Frank
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wrote in message
news:2853d778-857e-46fc-96a0-8d164c098...@googlegroups.com...
在 2016年10月20日星期四 UTC+8下午11:04:38，Frank Millman写道：
wrote in message
news:01cfd810-0561-40b1-a834-95a73dad6...@googlegroups.com...
Hi Frank,
thanks for your kind help. What confused me is at this line:
>&
mpty dictionary -
r['x'] = 99
r
{'x': 99}
t['a']
{'x': 99}
t
{'a': {'x': 99}}
I will pause at this point, and give you a moment to absorb that.
Hopefully, the penny will drop and everything will become clear.
If not, let us know whi
l_with_comp, perform the computation, then add the following -
self.getval = self._getval
return self._getval()
What is the verdict? -1, 0, or +1?
Frank Millman
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"Marko Rauhamaa" wrote in message news:87inrer0dl@elektro.pacujo.net...
"Frank Millman" :
> What is the verdict? -1, 0, or +1?
Perfectly cromulent, run-of-the-mill Python code.
A new word to add to my vocabulary - thanks :-)
Frank
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"Marko Rauhamaa" wrote in message news:87inrer0dl@elektro.pacujo.net...
"Frank Millman" :
> 3. When instantiating an object, check if it would need computation -
>if computation_required:
>self.getval = self._getval_with_comp
>else:
>
"Frank Millman" wrote in message news:o13meh$p2g$1...@blaine.gmane.org...
3. When instantiating an object, check if it would need computation -
if computation_required:
self.getval = self._getval_with_comp
else:
self.getval = self._getval
4. In _getval
"Chris Angelico" wrote in message
news:CAPTjJmqGEwHPVyrR+Ti9bV=S5MsLt3nquF4TvE=xpees188...@mail.gmail.com...
On Wed, Nov 23, 2016 at 11:27 PM, Frank Millman
wrote:
>
> @Chris
>>
>> This strongly suggests that str(x) is the wrong way to get the
>> informatio
puted will return None, but that is ok
for my purposes.
2. Write a separate method, retaining the calls to getval(), to be called
independently using 'await' if I ever need to see the full result after
computation.
Frank
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"Steven D'Aprano" wrote in message
news:58368358$0$1513$c3e8da3$54964...@news.astraweb.com...
On Thursday 24 November 2016 15:55, Frank Millman wrote:
> "Steve D'Aprano" wrote in message
> news:583653bb$0$1603$c3e8da3$54964...@news.astraweb.com...
r\AppData\Local\Programs\Python\Python36\lib\asyncio\base_events.py",
line 466, in run_until_complete
return future.result()
TypeError: 'async_generator' object is not iterable
Is there any technical reason for this, or is it just that no-one has got
around to writing an asyn
"Frank Millman" wrote in message news:o1k355$da5$1...@blaine.gmane.org...
Hi all
Python 3.6 has introduced Asynchronous Generators, which work very well.
[...]
However, it does not allow you to enumerate over the generator output -
[...]
Is there any technical reason for t
blocking the other users.
I find that very powerful.
Frank
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"Ian Kelly" wrote in message
news:CALwzid=hrijtv4p1_6frkqub25-o1i8ouquxozd+aujgl7+...@mail.gmail.com...
On Wed, Nov 30, 2016 at 1:29 AM, Frank Millman wrote:
>
> async def anext(aiter):
>return await aiter.__anext__()
Even simpler:
def anext(aiter):
return aite
users, something that I believe would not be possible with threading or
multi-processing.
Frank Millman
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hem. It seems to work.
This means that I have a background task running for each concurrent user.
Each one will be idle most of the time. My gut-feel says that this will not
cause a problem, even if there are hundreds of them, but any comments will
be welcome.
Thanks
Frank Millman
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"Ian Kelly" wrote in message
news:CALwzid=vdczAH18mHKaL7ryvDUB=7_y-JVUrTkRZ=gkz66p...@mail.gmail.com...
On Tue, Dec 13, 2016 at 6:15 AM, Frank Millman wrote:
> The client uses AJAX to send messages to the server. It sends the
> message
> and continues processing, whil
7;asyncio.ensure_future(self.close())'.
Problem solved.
Frank Millman
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"Marko Rauhamaa" wrote in message news:87vaulitxe@elektro.pacujo.net...
"Frank Millman" :
> I changed 'await self.close()', to
> 'asyncio.ensure_future(self.close())'.
>
> Problem solved.
A nice insight.
However, shouldn'
troubleshooting when things go south.
I know that you have vastly more experience in this area than I do, so I
will take your advice to heart.
Thanks
Frank
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