Re: SQLite3 in Python 2.7 Rejecting Foreign Key Insert

"Dennis Lee Bieber" wrote in message news:8d747a5biq4rc559tvgju088508bp0o...@4ax.com... > On Sun, 23 Nov 2014 10:21:48 +0200, "Frank Millman" > declaimed the following: > >> >> >>The default is for sqlite3 to ignore foreign key contraints. >> [...] >> >>Unfortunately it has a limitation, which

Re: unloading a module created with imp.new_module

I am defining a single class with a destructor method that prints ‘__del__’, and running that source code string using exec with the module’s dict like so: import rtmidi import sys import types import time import gc s = """

Re: Embedded python 'scripting engine' inside Python app

Thanks for your great reply. I even augmented the reloading with the same dict by clearing all of the non-standard symbols from the dict. This effectively resets the dict: # try to clear out the module by deleting all global refs

Re: unloading a module created with imp.new_module

Basically, I have an app and am making it possible for the users to automate it by writing python scripts that run against the app's API. It includes PyQt5 widgets, a QScintilla editor, and a simple API for I/O. Apple’s app store is the plan. Right now I create a new module with types.ModuleTyp

Re: Embedded python 'scripting engine' inside Python app

I think this is the way I’ll take it, and for all the same reasons. The only way they can break it is if they really want to. I guess anything other Franken-apps would be interesting to hear about too. And I’ll still stick it on the app store. > On Nov 23, 2014, at 1:35 AM, Chris Angelico wro

Re: unloading a module created with imp.new_module

How does the __del__ method have a reference to the module’s globals dict? because it references the print function? Crazy. Is there any other way to comfort when a module is being deleted beside defining a class object with a printing dtor? > On Nov 23, 2014, at 4:27 PM, Ian Kelly wrote: >

Re: unloading a module created with imp.new_module

On Mon, Nov 24, 2014 at 6:27 PM, Patrick Stinson wrote: > How does the __del__ method have a reference to the module’s globals dict? > because it references the print function? > > Crazy. Is there any other way to comfort when a module is being deleted > beside defining a class object with a print

Re: Python Logging and printf()

Hi Chris, Thanks for the comments , Iam planning to use logging handlers ( StreamHandler and FileHandler) to achieve my requirement . Any quick reference example to this will be great , Iam on Python 2.7 , Iam referring the python docs for mow. Regards, Ganesh On Fri, Nov 21, 2014 at 5:25 PM, C

A good Soap Client

Hi guys, My question is about Soap Client for python. Since 2011 I'm using the very good "Suds" library for consuming simple soap service. Now I need something for "SOAP over HTTPS", Does anyone know a good solution? May I use suds and write an envelope for HTTPS? Thanks in advance Bye Fil -- h

Re: PyWart: "Python's import statement and the history of external dependencies"

On 24/11/2014 06:25, Rick Johnson wrote: On Sunday, November 23, 2014 4:37:53 PM UTC-6, Gregory Ewing wrote: Chris Angelico wrote: Just out of curiosity, why does the stdlib need modules for manipulating .wav and other sound files, but we have to go to PyPI to get a PostgreSQL client? I suspe

Re: unloading a module created with imp.new_module

On 11/24/14 2:25 AM, Patrick Stinson wrote: Basically, I have an app and am making it possible for the users to automate it by writing python scripts that run against the app's API. It includes PyQt5 widgets, a QScintilla editor, and a simple API for I/O. Apple’s app store is the plan. Right now

PYTHON LOGGING with StreamHandler and FileHandler

Hi Team, The below program logs all the messages to the log file and displays the same on the console . Please suggest how do I ensure that error and warning log levels go ONLY to stdout and/or stder Code : import logging import sys # StreamHandler root = logging.getLogger() root.setLevel(lo

Re: unloading a module created with imp.new_module

On 11/23/14 5:10 AM, Patrick Stinson wrote: I am defining a single class with a destructor method that prints ‘__del__’, and running that source code string using exec with the module’s dict like so: import rtmidi importsys import types importtime importgc s= """ class A: def __del__(self)

Re: unloading a module created with imp.new_module

On Mon, Nov 24, 2014 at 10:21 PM, Ned Batchelder wrote: > Keep in mind that Python object have a reference to their class. If your > users are defining classes in their modules, and you instantiate the class > to create objects, then even when you reload updated code, the old objects > will still

Re: Python Signal/Slot + QThred code analysis

Oh, and this code I made by myself, I didn't copy. That's why I want you guys to see if everything is ok. -- https://mail.python.org/mailman/listinfo/python-list

Re: I have no class

On Mon, 24 Nov 2014 16:11:32 +1100, Chris Angelico wrote: > On Mon, Nov 24, 2014 at 3:21 PM, Steven D'Aprano wrote: >> On Sun, 23 Nov 2014 09:02:57 -0800, Rustom Mody wrote: >> >>> Python is a bit odd in the OO-world in that it prioritizes "Explicit is >>> better than implicit" over convenience.

Re: I have no class

On Tue, Nov 25, 2014 at 12:44 AM, Dan Sommers wrote: > And then, at least in C++, you see coding standards that demand that > member variables (aka instance variables aka attributes) be named in > such a way that you can tell that they're member variables and not local > variables (one common conv

Re: unloading a module created with imp.new_module

On Nov 24, 2014 1:27 AM, "Patrick Stinson" wrote: > > How does the __del__ method have a reference to the module’s globals dict? because it references the print function? The module's dict becomes the __globals__ dict used by the function for looking up globals and builtins. > Crazy. Is there an

Re: GUI toolkit(s) status

On Nov 21, 2014 10:09 PM, "Michael Torrie" wrote: > I can't speak for wxWidgets, but when I last looked at it years ago it > fairly reeked of MFC-style GUI programming with event tables instead of > a nice, flexible signal/callback interface. Has this changed? I recall the C++ implementation use

Re: Basic asyncio usage

On Wednesday, March 26, 2014 6:35:31 AM UTC-5, Piotr Husiatyński wrote: > Hi, > I have posted the same question to python-tutor list *, but I'm trying > my luck here as advised. > > I'm trying to get more familiar with asyncio library. Using python > 3.4, I wrote simple echo server (see attachemen

Re: unloading a module created with imp.new_module

On Tue, Nov 25, 2014 at 2:12 AM, Ian Kelly wrote: >> Crazy. Is there any other way to comfort when a module is being deleted >> beside defining a class object with a printing dtor? > > Modules don't strictly have to be ModuleType. You could substitute a class > with a __del__ method for the module

Re: Basic asyncio usage

Benjamin Risher : > I was wondering if you ever made progress with your asyncio project. > I'm currently digging around for examples and reference material and > came across your post. > > I'd be interested in any tips/gotchas/examples you'd be willing to > provide as far as asyncio. Here's an im

Re: PyWart: "Python's import statement and the history of external dependencies"

On Monday, November 24, 2014 4:35:13 AM UTC-6, Mark Lawrence wrote: > The Native Americans are no doubt regretting their > decision to "welcome any and all immigrants". Would they > have made the same decision using Python which obviously > wouldn't have been available at that time? FINDERS KEEPE

Re: PyWart: "Python's import statement and the history of external dependencies"

On 11/24/14 11:51 AM, Rick Johnson wrote: ... lots of off-topic ranting ... Everyone: as tempting as it is to respond, the best course of action will be to completely ignore Rick's rants. Thanks, -- Ned Batchelder, http://nedbatchelder.com -- https://mail.python.org/mailman/listinfo/python

Re: PyWart: "Python's import statement and the history of external dependencies"

On 24/11/2014 16:51, Rick Johnson wrote: EVOLUTION LOVES A WINNER! I think evolution actually requires losers. Clearly there are more extinct species, peoples, languages etc etc than there are existing ones so perhaps if evolution 'loves' anything it 'loves' a loser. -- Robin Becker -- http

Re: PyWart: "Python's import statement and the history of external dependencies"

Rick Johnson : > FINDERS KEEPERS; LOSERS WEEPERS! > > Contrary to your naive interpretation of history, the native > Americans [...] Was this rant at least produced by a Python generator? Where's the StopIteration exception when you need one? Marko -- https://mail.python.org/mailman/listinfo/

Re: PyWart: "Python's import statement and the history of external dependencies"

On Monday, November 24, 2014 10:38:52 PM UTC+5:30, Marko Rauhamaa wrote: > Rick Johnson : > > > FINDERS KEEPERS; LOSERS WEEPERS! > > > > Contrary to your naive interpretation of history, the native > > Americans [...] > > Was this rant at least produced by a Python generator? > > Where's the Sto

Re: Help with Python Multiprocessing

On Sunday, November 23, 2014 12:56:51 PM UTC-8, Anurag wrote: > Hey Socha, > Your solution works. But then, all my 3 workers are running in a single > command window. How do I make them run in three different command windows? That, I don't know. You would probably need to open a new command wind

Re: Comprehension with two variables - explanation needed

Chris Angelico wrote: > On Mon, Nov 24, 2014 at 3:42 PM, Steven D'Aprano > wrote: >> Today dis() returns the above, tomorrow it may return: >> >> 0 LOAD_GLOBAL 0 (x) >> 3 INCREMENT >> 5 RETURN_VALUE >> >> (say), and the Python code remains th

Re: PyWart: "Python's import statement and the history of external dependencies"

On Nov 23, 2014 4:41 PM, "Gregory Ewing" wrote: > > Chris Angelico wrote: >> >> Just out of curiosity, why does the stdlib need modules for >> manipulating .wav and other sound files, but we have to go to PyPI to >> get a PostgreSQL client? > > > I suspect it's mainly for historical reasons. The w

Re: python 2.7 and unicode (one more time)

Marko Rauhamaa wrote: >> Py3's byte strings are still strings, though. > > Hm. I don't think so. In a plain English sense, maybe, but that kind of > usage can lead to confusion. Only if you are determined to confuse yourself. People are quite capable of interpreting correctly sentences like: "

Re: python 2.7 and unicode (one more time)

On Tue, Nov 25, 2014 at 9:56 AM, Steven D'Aprano wrote: > In all cases apart from an explicit "byte string", the word "string" is > always used for the native array-of-characters type delimited by plain > quotation marks, as used for error messages, user prompts, etc., regardless > whether the imp

Re: SQLite3 in Python 2.7 Rejecting Foreign Key Insert

On Tue, Nov 25, 2014 at 5:44 AM, Dennis Lee Bieber wrote: > On Mon, 24 Nov 2014 10:05:11 +0200, "Frank Millman" > declaimed the following: > >>I will explain why such a feature would have been useful for me. >> >>My accounting system handles multiple companies. I needed to figure out a >>way to k

Loading Python 2.7

When I installed Python, I installed 2.7 and 3.4. I am using XP. I have been using Python 3 by just right clicking on a py file and choose Edit with Idle. That works just fine when I am using 3, but since I also use 2.7 for practice from online courses I haven't figured out how to use the interac

Re: Comprehension with two variables - explanation needed

On Sun, Nov 23, 2014 at 8:42 PM, Steven D'Aprano wrote: > On Sun, 23 Nov 2014 08:45:39 -0800, Rustom Mody wrote: >> First a one-line solution in haskell >> >> sieve (p:xs) =p:sieve [x | x <- xs, x `mod` p /= 0] > > Don't use that! That is a horribly inefficient way to generate primes. > > Ma

Re: A good Soap Client

On 24Nov2014 10:46, Filadelfo Fiamma wrote: My question is about Soap Client for python. Since 2011 I'm using the very good "Suds" library for consuming simple soap service. Now I need something for "SOAP over HTTPS", Does anyone know a good solution? May I use suds and write an envelope for HTT

Re: Loading Python 2.7

On Mon, 24 Nov 2014 18:25:25 -0500, Seymore4Head wrote: > What I do when I need to run 2.7 code is to just save the file to my > Python 2.7 folder and run a command prompt. I then just type the py > file. That works but I am left with a dos prompt when the file > finishes. I sometimes would lik

Re: Python Signal/Slot + QThred code analysis

On 11/24/2014 06:25 AM, Juan Christian wrote: > Oh, and this code I made by myself, I didn't copy. That's why I want you > guys to see if everything is ok. Looks alright. Does it work? -- https://mail.python.org/mailman/listinfo/python-list

Ducktyping

https://pbs.twimg.com/media/B3Fvg-sCYAAkLSV.jpg -- Steven -- https://mail.python.org/mailman/listinfo/python-list

Re: SQLite3 in Python 2.7 Rejecting Foreign Key Insert

"Dennis Lee Bieber" wrote in message news:lrr67al6ppa852agu9rq2dstqtue17i...@4ax.com... > On Mon, 24 Nov 2014 10:05:11 +0200, "Frank Millman" > declaimed the following: > >> >>Originally I supported two databases - PostgreSQL and Sql Server. They >>both >>have a concept called 'schemas', which

Re: python 2.7 and unicode (one more time)

Steven D'Aprano : > Marko Rauhamaa wrote: > >>> Py3's byte strings are still strings, though. >> >> Hm. I don't think so. In a plain English sense, maybe, but that kind of >> usage can lead to confusion. > > Only if you are determined to confuse yourself. > > {...] > > In Python usage, "string" a

Re: SQLite3 in Python 2.7 Rejecting Foreign Key Insert

On Tue, Nov 25, 2014 at 4:31 PM, Frank Millman wrote: > > "Dennis Lee Bieber" wrote in message > news:lrr67al6ppa852agu9rq2dstqtue17i...@4ax.com... >> We must have a different impression of what a "schema" consists of. As >> I learned it, the "schema" basically came down to the statements definin

Re: A good Soap Client

Filadelfo Fiamma writes: > Since 2011 I'm using the very good "Suds" library for consuming simple soap > service. > Now I need something for "SOAP over HTTPS", Does anyone know a good > solution? May I use suds and write an envelope for HTTPS? I can enforce Camerons statement: "suds" simply uses

Re: unloading a module created with imp.new_module

> On Nov 24, 2014, at 6:12 AM, Ian Kelly wrote: > > > On Nov 24, 2014 1:27 AM, "Patrick Stinson" > wrote: > > > > How does the __del__ method have a reference to the module’s globals dict? > > because it references the print function? > > The module's dict becom

Re: PYTHON LOGGING with StreamHandler and FileHandler

Ganesh Pal writes: > The below program logs all the messages to the log file and displays the > same on the console . > > Please suggest how do I ensure that error and warning log levels go ONLY to > stdout and/or stder You read the handler related documentation of the logging module. When I rem

Re: Ducktyping

On Tuesday, November 25, 2014 10:08:28 AM UTC+5:30, Steven D'Aprano wrote: > https://pbs.twimg.com/media/B3Fvg-sCYAAkLSV.jpg :-) I will use this in a class. Now to hunt a cartoon for the opposite -- static/rigorous typing -- https://mail.python.org/mailman/listinfo/python-list

Re: unloading a module created with imp.new_module

On Tue, Nov 25, 2014 at 5:48 PM, Patrick Stinson wrote: > Is it still possible to import non-module objects? I guess this question is > just for fun now :) rosuav@sikorsky:~$ python3 Python 3.5.0a0 (default:23ab1197df0b, Nov 20 2014, 12:57:44) [GCC 4.7.2] on linux Type "help", "copyright", "credi

Re: unloading a module created with imp.new_module

> On Nov 24, 2014, at 2:44 AM, Ned Batchelder wrote: > > On 11/23/14 5:10 AM, Patrick Stinson wrote: >> I am defining a single class with a destructor method that prints >> ‘__del__’, and running that source code string using exec with the >> module’s dict like so: >> >> import rtmidi >> import

Re: Embedded python 'scripting engine' inside Python app

> On Nov 23, 2014, at 4:57 AM, Chris Angelico wrote: > > On Mon, Nov 24, 2014 at 12:20 AM, Patrick Stinson > wrote: >> I think this is the way I’ll take it, and for all the same reasons. The only >> way they can break it is if they really want to. I guess anything other >> Franken-apps would

Re: Embedded python 'scripting engine' inside Python app

On Tue, Nov 25, 2014 at 6:38 PM, Patrick Stinson wrote: > Thanks for the stories in this and the other thread. I love these interesting > problems that push the limits :) I agree. How boring is life when we never push the limits! ChrisA -- https://mail.python.org/mailman/listinfo/python-list

Re: A good Soap Client

Thanks Cameron,Dieter! Sure I haven't understood how to pass and use the certificate to the client. I thought to write a HTTPS client to extract the clean SOAP envelope and then passing it to Suds. Just for info, the service I need to consume It's the Italian Healthcare System for Medical Doctor. C