Re: Cross platform mutex to prevent script running more than instance?

2018-09-04 Thread CFK
What about using flock()? I don't know if it works on Windows, but it works really well for Unix/Linux systems. I typically create a log file in a known location using any atomic method that doesn't replace/overwrite a file, and flock() it for the duration of the script. Thanks, Cem Karan On Mon

Any SML coders able to translate this to Python?

2018-09-04 Thread Steven D'Aprano
I have this snippet of SML code which I'm trying to translate to Python: fun isqrt n = if n=0 then 0 else let val r = isqrt (n/4) in if n < (2*r+1)^2 then 2*r else 2*r+1 end I've tried reading up on SML and

Re: Any SML coders able to translate this to Python?

2018-09-04 Thread Paul Moore
On Tue, 4 Sep 2018 at 13:31, Steven D'Aprano wrote: > > I have this snippet of SML code which I'm trying to translate to Python: > > fun isqrt n = if n=0 then 0 > else let val r = isqrt (n/4) > in > if n < (2*r+1)^2 then 2*r >

Re: Any SML coders able to translate this to Python?

2018-09-04 Thread Marko Rauhamaa
Steven D'Aprano : > I have this snippet of SML code which I'm trying to translate to Python: > > fun isqrt n = if n=0 then 0 > else let val r = isqrt (n/4) > in > if n < (2*r+1)^2 then 2*r > else 2*r+1 > end >

Re: Verifying the integrity/lineage of a file

2018-09-04 Thread Grant Edwards
On 2018-09-01, Peter Pearson wrote: > Writing your own crypto software is fraught with peril, and that > includes using existing libraries. Writing your own crypto software isn't a problem, and it can be very educational. Just don't _use_ your own crypto software. Howerver, the set of people w

Re: Anaconda with Python 3.7

2018-09-04 Thread gvim
On 03/09/2018 10:49, Thomas Jollans wrote: On 2018-09-03 11:38, gvim wrote: Anyone have any idea when Anaconda might ship a version compatible with Python 3.7. I sent them 2 emails but no reply. gvim You can install Python 3.7 in a conda environment right now. Most packages (certainly all the

problem with json.dumps / complexjson.loads in python 3.4 virtualenv

2018-09-04 Thread M. Fioretti
Greetings, I have an error in a python application that I installed. I already opened an issue about it on the application page at github, but I would also greatly appreciate any help to (at least) better debug the problem, because I urgently need to use that program. Details: I need to run

Re: Cross platform mutex to prevent script running more than instance?

2018-09-04 Thread Thomas Jollans
On 09/04/2018 05:35 AM, Cameron Simpson wrote: On 03Sep2018 07:45, Malcolm Greene wrote: Use case: Want to prevent 2+ instances of a script from running ... ideally in a cross platform manner. I've been researching this topic and am surprised how complicated this capability appears to be and ho

Hi I'm trying to get live data from stock using python , is it possible?

2018-09-04 Thread alon . najman
Hi , for example: I want to know if AAPL is more than value 300 and if it does I want it to send to me mail with gmail :) . thanks for the help.. -- https://mail.python.org/mailman/listinfo/python-list

Re: Hi I'm trying to get live data from stock using python , is it possible?

2018-09-04 Thread alon . najman
On Tuesday, September 4, 2018 at 7:21:31 PM UTC+3, alon@gmail.com wrote: > Hi , > for example: > I want to know if AAPL is more than value 300 and if it does I want it to > send to me mail with gmail :) . thanks for the help.. im using python 2.7 -- https://mail.python.org/mailman/listinfo/p

Re: Pass a list of values as options to 3 dropdown menus

2018-09-04 Thread Peter Pearson
On Sun, 2 Sep 2018 13:40:18 -0700 (PDT), Nick Berg wrote: > how can i be able to store a list of values to drop-down menu and then > grab the value that the user selects? > > ** > name = month = year = '' > > # populate names, months, years > names.ad

CURSES WINDOWS

2018-09-04 Thread shinobi
Hello All, can anyone please let me know what's the path to port linux python curses program to Windows? Thanks -- https://mail.python.org/mailman/listinfo/python-list

Re: Hi I'm trying to get live data from stock using python , is it possible?

2018-09-04 Thread Thomas Jollans
On 2018-09-04 18:22, alon.naj...@gmail.com wrote: > On Tuesday, September 4, 2018 at 7:21:31 PM UTC+3, alon@gmail.com wrote: >> Hi , >> for example: >> I want to know if AAPL is more than value 300 and if it does I want it to >> send to me mail with gmail :) . thanks for the help.. Of course

Re: Hi I'm trying to get live data from stock using python , is it possible?

2018-09-04 Thread Skip Montanaro
> I want to know if AAPL is more than value 300 and if it does I want it to > send to me mail with gmail :) . thanks for the help.. Try searching pypi.org for "finance", then scroll through the many returned packages. A few show how to get stock data from Yahoo! or Google. Skip -- https://mail.

Re: Hi I'm trying to get live data from stock using python , is it possible?

2018-09-04 Thread Michael Torrie
On 09/04/2018 10:21 AM, alon.naj...@gmail.com wrote: > Hi , > for example: > I want to know if AAPL is more than value 300 and if it does I want it to > send to me mail with gmail :) . thanks for the help.. > Yes it's definitely possible! Hop on Google and do some searches; you're bound to find

Re: Pass a list of values as options to 3 dropdown menus

2018-09-04 Thread Terry Reedy
On 9/4/2018 1:03 PM, Peter Pearson wrote: On Sun, 2 Sep 2018 13:40:18 -0700 (PDT), Nick Berg wrote: how can i be able to store a list of values to drop-down menu and then grab the value that the user selects? In a python program, use one of the gui packages. Tkinter usually comes with python

Re: Any SML coders able to translate this to Python?

2018-09-04 Thread Thomas Jollans
On 2018-09-04 14:26, Steven D'Aprano wrote: > I have this snippet of SML code which I'm trying to translate to Python: > > fun isqrt n = if n=0 then 0 > else let val r = isqrt (n/4) > in > if n < (2*r+1)^2 then 2*r > else 2*r+1

Re: Hi I'm trying to get live data from stock using python , is it possible?

2018-09-04 Thread Akkana Peck
Skip Montanaro writes: > > I want to know if AAPL is more than value 300 and if it does I want it to > > send to me mail with gmail :) . thanks for the help.. > > Try searching pypi.org for "finance", then scroll through the many > returned packages. A few show how to get stock data from Yahoo! o

Re: Cross platform mutex to prevent script running more than instance?

2018-09-04 Thread Cameron Simpson
On 04Sep2018 07:57, CFK wrote: What about using flock()? I don't know if it works on Windows, but it works really well for Unix/Linux systems. I typically create a log file in a known location using any atomic method that doesn't replace/overwrite a file, and flock() it for the duration of the

Re: Verifying the integrity/lineage of a file

2018-09-04 Thread Gregory Ewing
Grant Edwards wrote: Writing your own crypto software isn't a problem, and it can be very educational. Just don't _use_ your own crypto software. Okay, so find a friend who also likes writing crypto software, and use each other's software. Problem solved. :-) -- Greg -- https://mail.python.or

Re: Verifying the integrity/lineage of a file

2018-09-04 Thread Abdur-Rahmaan Janhangeer
i think he was referring to a wrapper for a crypto-software Abdur-Rahmaan Janhangeer https://github.com/Abdur-rahmaanJ Mauritius On Sat, 1 Sep 2018, 21:45 Peter Pearson, wrote: > > Writing your own crypto software is fraught with peril, > -- https://mail.python.org/mailman/listinfo/python-list

Re: Pass a list of values as options to 3 dropdown menus

2018-09-04 Thread Peter Pearson
On Tue, 4 Sep 2018 10:13:07 -0700 (PDT), Nick Berg wrote: [snip] > > May i ask how you managed to send an email with a domain > nowhere.invalid ? I would like to do the same. I don't post by sending email, I post by using a news client (slrn), which interacts with the Usenet system (en.wikipedia.o

Re: Verifying the integrity/lineage of a file

2018-09-04 Thread Thomas Jollans
On 2018-09-04 16:13, Grant Edwards wrote: > On 2018-09-01, Peter Pearson wrote: > >> Writing your own crypto software is fraught with peril, and that >> includes using existing libraries. > > Writing your own crypto software isn't a problem, and it can be very > educational. > > Just don't _use

Re: problem with json.dumps / complexjson.loads in python 3.4 virtualenv

2018-09-04 Thread dieter
"M. Fioretti" writes: > I have an error in a python application that I installed. I already > opened an issue about it on the application page at github, but I > would also greatly appreciate any help to (at least) better debug the > problem, because I urgently need to use that program. > > Detail

Re: Error installing libraries

2018-09-04 Thread dieter
Gilmeh Serda writes: > On Mon, 03 Sep 2018 12:40:49 +0530, ojas gupta wrote: > >> error: Microsoft Visual C++ 14.0 is required. > > Wonder why it doesn't work? At least, the error message is clear: the process needs "Microsoft Visual C++ 14.0". It is installed on your computer? -- https://mail