ld decide on a case-by-case basis
what the proper action is, but since this a module that has to work in any
situation, it's a bit more complicated.
---
Israel Brewster
Systems Analyst II
Rav
> On Oct 17, 2017, at 10:35 AM, MRAB wrote:
>
> On 2017-10-17 18:26, Israel Brewster wrote:
>> I have written and maintain a PEP 249 compliant (hopefully) DB API for the
>> 4D database, and I've run into a situation where corrupted string data from
>> the
g specifications in the PEP 249, and
would think that would be more end-user configured rather than module level.
-------
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairban
On Oct 17, 2017, at 12:02 PM, MRAB wrote:
>
> On 2017-10-17 20:25, Israel Brewster wrote:
>>
>>> On Oct 17, 2017, at 10:35 AM, MRAB >> <mailto:pyt...@mrabarnett.plus.com>> wrote:
>>>
>>> On 2017-10-17 18:26, Israel Brewster wrote:
>>&
cy numerical analysis tools for python like pandas and numpy - could
something like that help? Might there be a way to simply set up a table with
"rules" for the columns and rows, and drop my records into the table, having
them automatically counted into the proper bins or something? Or am
> On Oct 19, 2017, at 9:40 AM, Israel Brewster wrote:
>
> I am working on developing a report that groups data into a two-dimensional
> array based on date and time. More specifically, date is grouped into
> categories:
>
> day, week-to-date, month-to-date, and year-t
> On Oct 19, 2017, at 10:02 AM, Stefan Ram wrote:
>
> Israel Brewster writes:
>> t10 = {'daily': 0, 'WTD': 0, 'MTD': 0, 'YTD': 0,}
>> increment the appropriate bin counts using a bunch of if statements.
>
> I can't re
ces say).
>
>
> I hope that's even vaguely helpful.
In a sense, in that it supports my initial approach.
As Stefan Ram pointed out, there is nothing wrong with the solution I have:
simply using if statements around the calculated lateness of t1 a
file, but obviously I wouldn't expect
anyone here to know anything about that - I'm just asking about the python side
:-)
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7293
-
On Oct 20, 2017, at 11:09 AM, Stefan Ram wrote:
>
> Israel Brewster writes:
>> Given that, is there any way I can write out the "raw" binary
>> data to a file
>
> If you can call into the Java SE library, you can try
>
> docs.oracle.com/javase/9/
ld happen
at any time
# Client will call this function immediately after connecting, as well as in
response to various user actions.
def getac():
for record in aclist:
last_points[]=record_timestamp
#DEBUGGING
print("At get AC:", len(last_points))
--
by the main thread.
How can I *properly* share a dictionary like object between two threads, with
both threads seeing the updates made by the other?
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907
On Nov 1, 2017, at 9:04 AM, Israel Brewster wrote:
>
> Let me rephrase the question, see if I can simplify it. I need to be able to
> access a defaultdict from two different threads - one thread that responds to
> user requests which will populate the dictionary in respon
On Nov 1, 2017, at 9:58 AM, Ian Kelly wrote:
>
> On Tue, Oct 31, 2017 at 11:38 AM, Israel Brewster
> wrote:
>> A question that has arisen before (for example, here:
>> https://mail.python.org/pipermail/python-list/2010-January/565497.html
>> <https://mail.py
> On Nov 1, 2017, at 4:53 PM, Steve D'Aprano wrote:
>
> On Thu, 2 Nov 2017 05:53 am, Israel Brewster wrote:
>
> [...]
>> So the end result is that the thread that "updates" the dictionary, and the
>> thread that initially *populates* the dicti
something like store a void pointer to the object, then cast it
to the correct object type, but that's not an option in python. So how can I
get around this issue?
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fair
On Nov 2, 2017, at 12:30 PM, Chris Angelico wrote:
>
> On Fri, Nov 3, 2017 at 5:54 AM, Israel Brewster wrote:
>> I have a Flask/UWSGI web app that serves up web socket connections. When a
>> web socket connection is created, I want to store a reference to said web
>> s
On Nov 2, 2017, at 11:15 AM, Stefan Ram wrote:
>
> Israel Brewster writes:
>> the data structure that stores the socket connections needs
>> to be shared across all said processes.
>
> IIRC that's the difference between threads and
> processes: threads shar
On Nov 2, 2017, at 12:36 PM, Chris Angelico wrote:
>
> On Fri, Nov 3, 2017 at 7:35 AM, Israel Brewster <mailto:isr...@ravnalaska.net>> wrote:
>> On Nov 2, 2017, at 12:30 PM, Chris Angelico wrote:
>>>
>>> On Fri, Nov 3, 2017 at 5:54 AM, Israel Brewster
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7293
---
> On Nov 3, 2017, at 7:11 AM, Rhodri James wrote:
>
> On 03/11/17 14:
I am working on a python program that, at one step, takes an input (string),
and matches it to songs/artists in a users library. I'm having some difficulty,
however, figuring out how to match when the input/library contains
numbers/special characters. For example, take the group "All-4-One". In
. Also, I do need to leave a config file accessible for the end
user to be able to edit. Is there a way to use pyinstaller in this scenario, or
perhaps some other option that might work better to package things up?
---
Israel Brewster
Systems Analyst I
On Feb 6, 2018, at 12:12 PM, Israel Brewster wrote:
>
> I have been working on writing an Alexa skill which, as part of it, requires
> a local web server on the end users machine - the Alexa skill sends commands
> to this server, which runs them on the local machine. I wrot
> On Feb 6, 2018, at 8:24 PM, Dennis Lee Bieber wrote:
>
> On Tue, 6 Feb 2018 12:12:26 -0900, Israel Brewster
> declaimed the following:
>
>> I have been working on writing an Alexa skill which, as part of it, requires
>> a local web server on the end users mach
>
> On Feb 6, 2018, at 12:12 PM, Israel Brewster wrote:
>
> I have been working on writing an Alexa skill which, as part of it, requires
> a local web server on the end users machine - the Alexa skill sends commands
> to this server, which runs them on the local machine.
> On Feb 13, 2018, at 10:02 AM, Dan Stromberg wrote:
>
> On Tue, Feb 13, 2018 at 9:28 AM, Israel Brewster
> wrote:
>> As such, I'm considering three possible solutions:
>>
>> 1) Make some sort of installer package that includes the python3 installer
>
issues? Some way to do an in-place filtering?
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk Drive
Fairbanks AK 99775-7320
Work: 907-474-5172
cell: 907-328-9145
--
https://mail.python.org/mailman/listinfo/python-list
>>print(shapely.__version__)
>>>from shapely.geometry import Polygon
>>>print(Polygon.from_bounds(*bounds))
Output:
1.8.0
POLYGON EMPTY
In fact, *any* attempt to create a polygon gives the same result:
>>> test = Polygon(((1, 1), (2, 1), (2, 2)))
>>&
apely.geometry import Polygon
>>> bounds = [-164.29635821669632, 54.64251856269729, -163.7631779798799,
>>> 54.845450778742546]
>>> print(Polygon.from_bounds(*bounds))
POLYGON EMPTY
…So apparently I have to make sure to import shapely *before* I import anything
from osge
ody of the request, but in what
format? Do I just url lib.urlencode() a dictionary and pass that as the body,
or is there some other method I should use? Thanks!
-------
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK
if I was able to
get a connection, but it's a thought. Options?
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7293
---
--
https://mail.python.org/mailman/listinfo/python-list
On Jan 16, 2017, at 1:27 PM, Terry Reedy wrote:
>
> On 1/16/2017 1:06 PM, Israel Brewster wrote:
>> I generally use context managers for my SQL database connections, so I can
>> just write code like:
>>
>> with psql_cursor() as cursor:
>>
>>
>&
On Jan 16, 2017, at 8:01 PM, Gregory Ewing wrote:
>
> Israel Brewster wrote:
>> The problem is that, from time to time, I can't get a connection, the result
>> being that cursor is None,
>
> That's your problem right there -- you want a better-behaved
&g
On Jan 16, 2017, at 11:34 PM, Peter Otten <__pete...@web.de> wrote:
>
> Gregory Ewing wrote:
>
>> Israel Brewster wrote:
>>> The problem is that, from time to time, I can't get a connection, the
>>> result being that cursor is None,
>>
>&
t may not be a big issue, but it has locked up once since the move
(no errors in the log, just not responding on the socket), so I am a bit
concerned.
---
Israel Brewster
Systems Analyst II
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450
---
Israel Brewster
Systems Analyst II
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7293
---
[cid:bfa5c323-b100-481d-96b1-fc256ef2eb39@flyravn.com]
[cid:8c891973-9e67-47b3-aa14-5f58b9b93607
> On Jan 14, 2019, at 10:40 PM, dieter wrote:
>
> Israel Brewster writes:
>> I have a flask application deployed on CentOS 7 using Python 3.6.7 and uwsgi
>> 2.0.17.1, proxied behind nginx. uwsgi is configured to listed on a socket in
>> /tmp. The app uses gevent and
thon3, the map function doesn’t actually produce a result
until needed, but that’s why I wrapped everything in calls to list(), at least
for testing.
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk Drive
Fairbanks AK 99775-7320
Work: 90
> On Feb 18, 2019, at 6:37 PM, Ben Finney wrote:
>
> I don't have anything to add regarding your experiments with
> multiprocessing, but:
>
> Israel Brewster writes:
>
>> Which creates and populates an 800x1000 “grid” (represented as a flat
>> list at
generating the entire grid up-front, I generate the boxes as
needed to calculate the overlap with the data grid. This brought the processing
time down to around 40 seconds, so a definite improvement there.
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
ance matters. Also I had some glitches with it
when using a lasso selector (plot going black). Still, with some work, it may
be an option.
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk Drive
Fairbanks AK 99775-7320
Work: 907-474-5172
Never mind this request. I realized that for what I am doing, the web server
was unnecessary. I could just load local HTML files directly into the
QWebEngineView with no need of an intermediate server. Thanks anyway, and sorry
for the noise!
---
Israel Brewster
Software Engineer
Alaska Volcano
possible.
3) Other approaches?
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk Drive
Fairbanks AK 99775-7320
Work: 907-474-5172
cell: 907-328-9145
--
https://mail.python.org/mailman/listinfo/python-list
exception?
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk Drive
Fairbanks AK 99775-7320
Work: 907-474-5172
cell: 907-328-9145
--
https://mail.python.org/mailman/listinfo/python-list
>
> On Sep 3, 2019, at 10:49 AM, Peter Otten <__pete...@web.de> wrote:
>
> Israel Brewster wrote:
>
>> When using pool.imap to apply a function over a list of values, what is
>> the proper way to pass additional arguments to the function, specifically
>>
>
> On Sep 3, 2019, at 9:27 AM, Rob Gaddi
> wrote:
>
> On 9/3/19 10:17 AM, Israel Brewster wrote:
>> When using pool.imap to apply a function over a list of values, what is the
>> proper way to pass additional arguments to the function, specifically in my
>>
>
> On Sep 3, 2019, at 11:09 AM, Israel Brewster wrote:
>
>>
>> On Sep 3, 2019, at 10:49 AM, Peter Otten <__pete...@web.de> wrote:
>>
>> Israel Brewster wrote:
>>
>>> When using pool.imap to apply a function over a list of values, what
the obvious options, with no
luck so far.
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk Drive
Fairbanks AK 99775-7320
Work: 907-474-5172
cell: 907-328-9145
--
https://mail.python.org/mailman/listinfo/python-list
process is still actually running, and if so goes
back and calls join again? Or is there a better option to say “wait until this
process is done, however long that may be, unless it crashes”?
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk
al is incorrect (at
least starting with 3.8), what is the proper method of getting multiprocessing
queues to child processes?
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk Drive
Fairbanks AK 99775-7320
Work: 907-474-5172
cell: 907-328-9145
--
https://mail.python.org/mailman/listinfo/python-list
erage it to do multiprocessing using spawn rather than fork in the future.
Looks straight-forward enough. Thanks again!
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk Drive
Fairbanks AK 99775-7320
Work: 907-474-5172
cell: 907-328-9
mum working example that illustrated the behavioral
differences I was seeing :-) Thanks for the pointer!
---
Israel Brewster
Software Engineer
Alaska Volcano Observatory
Geophysical Institute - UAF
2156 Koyukuk Drive
Fairbanks AK 99775-7320
Work: 907-474-5172
cell: 907-328-9145
>
> When you
Thanks for your time and help!
Assuming the code above is indented exactly as you run it, you have an
indentation error. That is, the finish and print() are not indented to be part
of the if __name__… call. As such, they run on import. When you launch a new
process, it imports the module, whi
I modules, like psycopg2, ensure that ROLLBACK is
called if the user never explicitly calls close()?
Thanks for any assistance that can be provided.
-------
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
On Feb 10, 2016, at 8:14 PM, Chris Angelico wrote:
>
> On Thu, Feb 11, 2016 at 4:06 PM, Frank Millman wrote:
>> A connection has 2 possible states - 'in transaction', or 'not in
>> transaction'. When you create the connection it starts off as 'not'.
>>
>> When you call cur.execute(), it checks
On Feb 10, 2016, at 8:06 PM, Frank Millman wrote:
>
> "Israel Brewster" wrote in message
> news:92d3c964-0323-46ee-b770-b89e7e7e6...@ravnalaska.net...
>
>> I am working on implementing a Python DB API module, and am hoping I can get
>> some help with fig
So I have a python module that I have written which uses CFFI to link against a C library I have compiled. Specifically, it is a Database driver for the 4th dimension database, using an open-source C library distributed by the 4D company. I have tested the module and C code on a couple of different
I don't know if this is a cherrypy specific question (although it will be implemented in cherrypy for sure), or more of a general http protocol question, but when using cherrypy to serve a web app, is there anyway to prevent browser prefetch? I'm running to a problem, specifically from Safari on th
On Dec 1, 2014, at 12:50 PM, Ned Batchelder wrote:
> On 12/1/14 4:26 PM, Tim Chase wrote:
>> On 2014-12-01 11:28, Israel Brewster wrote:
>>> I don't know if this is a cherrypy specific question (although it
>>> will be implemented in cherrypy for sure), or mor
those URLS in my CherryPy app is the way to go.
Thanks!
>
> So I can see at least two cases in which you might want to sniff the
> "are you just previewing, or do you actually want the page"
> information. Perhaps there are more.
>
> -tkc
>
>
>
>
> On Dec 2, 2014, at 4:33 AM, random...@fastmail.us wrote:
>
> On Mon, Dec 1, 2014, at 15:28, Israel Brewster wrote:
>> For example, I have a URL on my Cherrypy app that updates some local
>> caches. It is accessed at http:///admin/updatecaches So if I
>> start ty
Ah, I see. That makes sense. Thanks.
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7293
---
BEGIN:VCARD
VERSION:3.0
N:Brewster;Israel;;;
FN:Israel
I have a long-running python/CherryPy Web App server process that I am running on Mac OS X 10.8.5. Python 2.7.2 running in 32-bit mode (for now, I have the code in place to change over to 64 bit, but need to schedule the downtime to do it). On the 6th of this month, during normal operation from wha
g crash in the first place :-)
> --
> https://mail.python.org/mailman/listinfo/python-list
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7293
---
--
https://mail.python.org/mailman/listinfo/python-list
On Jan 13, 2015, at 6:27 AM, William Ray Wing wrote:
>
>> On Jan 9, 2015, at 12:40 PM, Israel Brewster wrote:
>>
>> I have a long-running python/CherryPy Web App server process that I am
>> running on Mac OS X 10.8.5. Python 2.7.2 running in 32-bit mode (for now, I
On Jan 13, 2015, at 8:26 AM, Skip Montanaro wrote:
> Assuming you have gdb available, you should be able to attach to the
> running process, then set a breakpoint in relevant functions (like
> exit() or abort()). Once there, you can pick through the C stack
> manually (kind of tedious) or use the
tl;dr: I've been using the multiprocessing module to run some calculations in the background of my CherryPy web app, but apparently this process sometimes gets stuck, causing problems with open sockets piling up and blocking the app. Is there a better way?The (rather wordy) details:I have a moderat
On Oct 25, 2015, at 4:05 PM, MRAB wrote:
>
> On 2015-10-23 17:35, Israel Brewster wrote:
>> tl;dr: I've been using the multiprocessing module to run some
>> calculations in the background of my CherryPy web app, but apparently
>> this process sometimes gets stuc
On Oct 25, 2015, at 3:40 PM, Dennis Lee Bieber wrote:
>
> On Fri, 23 Oct 2015 08:35:06 -0800, Israel Brewster
> declaimed the following:
>
>> tl;dr: I've been using the multiprocessing module to run some calculations
>> in the background of my CherryPy web app
On Oct 25, 2015, at 6:48 PM, Chris Angelico wrote:
>
> On Sat, Oct 24, 2015 at 3:35 AM, Israel Brewster
> wrote:
>>
>> Ideally, this recalculation process would happen in the background. There is
>> no need for the user to wait around while the system crunches numbe
ck'
Disable tools.cpstats.on, and the sockets start working again. Is there some
way I can fix this so I can use sockets as well as gather stats from my
application? Thanks.
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial R
any feedback that can be provided.
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7293
---
> On Nov 3, 2015, at 8:05 AM, Israel Brewster wr
s into the qmark style markers that the underlying
library provides, but before I go and re-invent the wheel, is there already
code that does this which I can simply use, or modify?
-------
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industri
at the risk of potentially causing the thread to hang if no
message is posted)? And is my concern justified, or just paranoid? Thanks for
any information that can be provided!
---
Israel Brewster
Systems Analyst II
Ra
On Nov 23, 2015, at 11:51 AM, Ian Kelly wrote:
>
> On Mon, Nov 23, 2015 at 12:55 PM, Ian Kelly wrote:
>> On Mon, Nov 23, 2015 at 10:54 AM, Israel Brewster
>> wrote:
>>> Concern: Since the master process is multi-threaded, it seems likely enough
>>> that
On Nov 23, 2015, at 12:45 PM, Cameron Simpson wrote:
>
> On 23Nov2015 12:22, Israel Brewster wrote:
>> On Nov 23, 2015, at 11:51 AM, Ian Kelly wrote:
>>> Concurrency, ugh.
>
> I'm a big concurrency fan myself.
>
>>> It's probably better just
On Nov 23, 2015, at 1:43 PM, Chris Kaynor wrote:
>
> On Mon, Nov 23, 2015 at 2:18 PM, Israel Brewster
> wrote:
>
>> Of course, that last step could be interesting - implementing the block in
>> such a way as to not tie up the processor, while still getting the da
On Nov 23, 2015, at 3:05 PM, Dennis Lee Bieber wrote:
>
> On Mon, 23 Nov 2015 08:54:38 -0900, Israel Brewster
> declaimed the following:
>
>> Concern: Since the master process is multi-threaded, it seems likely enough
>> that multiple threads on the master side would m
y of doing this?
Thanks!
-------
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7293
---
--
https://mail.python.org/mailman/listinfo/python-list
therefore, one DB connection - for a given session, and then simply hold on to
that object until that session expired. But perhaps not?
-------
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
ing a context manager. I could get *some*
limited benefit by raising the minconn value, but then I risk having
connections that are *never* used, yet still taking resources on the DB server.
Ideally, it would open as many connections as are needed, and then leave them
open for future requests, perhaps
---
Israel Brewster
Systems Analyst II
Ravn Alaska
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7293
---
> On Jun 7, 2017, at 10:31 PM, dieter wrote:
>
> israel writes:
>> O
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