Re: running python 2 vs 3

2014-03-20 Thread Rustom Mody
On Friday, March 21, 2014 11:38:42 AM UTC+5:30, Marko Rauhamaa wrote: > Chris Angelico : > > Then you're probably not using "sys.stdout.write" but some other file > > object's write method. > Correct, sys.stderr.write would have been a more accurate choice. > > Also, I find it highly unusual tha

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Chris Angelico : > Then you're probably not using "sys.stdout.write" but some other file > object's write method. Correct, sys.stderr.write would have been a more accurate choice. > Also, I find it highly unusual that you never use print in its most > basic and intended form. Printing to the st

Re: Question about Source Control

2014-03-20 Thread Cameron Simpson
On 21Mar2014 07:40, Frank Millman wrote: > "Cameron Simpson" wrote in message > news:20140321013313.ga58...@cskk.homeip.net... > > Someone intending to clone the project and develop will probably > > want the whole repository; as Gregory says - they can then easily > > push/pull with others. > >

Re: running python 2 vs 3

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 4:49 PM, Marko Rauhamaa wrote: > Chris Angelico : > >> go for the lowest common denominator: >> >> print("some single string") >> >> which works happily in all versions of Python. > > Whenever I have used "print" in my code, it has been with a >> > redirection. Then you're

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Chris Angelico : > go for the lowest common denominator: > > print("some single string") > > which works happily in all versions of Python. Whenever I have used "print" in my code, it has been with a >> redirection. Marko -- https://mail.python.org/mailman/listinfo/python-list

Re: Question about Source Control

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 4:40 PM, Frank Millman wrote: > To make the software available to anyone who just wants to run a stable > version, copy the working directory of the 'major release' repository to a > directory of its own, without the .hg stuff, and make it available for > download. > > For

Re: Question about Source Control

2014-03-20 Thread Frank Millman
"Cameron Simpson" wrote in message news:20140321013313.ga58...@cskk.homeip.net... > > Someone intending to clone the project and develop will probably > want the whole repository; as Gregory says - they can then easily > push/pull with others. > > For Frank, the size of the repo is not the size

Re: Question about Source Control

2014-03-20 Thread Cameron Simpson
On 21Mar2014 13:14, Chris Angelico wrote: > On Fri, Mar 21, 2014 at 12:33 PM, Cameron Simpson wrote: > > Regarding having Mercurial installed, that is very easy, and after > > you've gone (eg): > > > > hg clone https://bitbucket.org/cameron_simpson/css > > my-copy-of-cameron's-css > > > > (or

Re: Python - Caeser Cipher Not Giving Right Output

2014-03-20 Thread dtran . ru
On Thursday, March 20, 2014 11:58:43 PM UTC-4, Steven D'Aprano wrote: > On Thu, 20 Mar 2014 20:23:49 -0700, dtran.ru wrote: > > > > > Thanks for your input Dave. Would the line be: > > > > > > return numtochar(c1 + c2 %26) > > > > Yes, that's the line that Dave is talking about. > > > >

Re: Python - Caeser Cipher Not Giving Right Output

2014-03-20 Thread Rustom Mody
On Friday, March 21, 2014 8:53:49 AM UTC+5:30, wrote: > On Thursday, March 20, 2014 11:16:50 PM UTC-4, Dave Angel wrote: > > > Hello good people I am working on a caeser cipher program for class. > > > However, I ran into a problem with my outputs. Up to a certain point for > > > example: > > > 1

Re: Python - Caeser Cipher Not Giving Right Output

2014-03-20 Thread Steven D'Aprano
On Thu, 20 Mar 2014 20:23:49 -0700, dtran.ru wrote: > Thanks for your input Dave. Would the line be: > > return numtochar(c1 + c2 %26) Yes, that's the line that Dave is talking about. The critical part is that expression "c1 + c2 %26" which gets calculated before being passed on to numtochar.

Re: Python - Caeser Cipher Not Giving Right Output

2014-03-20 Thread Dave Angel
dtran...@gmail.com Wrote in message: > On Thursday, March 20, 2014 11:16:50 PM UTC-4, Dave Angel wrote: >> dtran...@gmail.com Wrote in message: >> > >> >> > def two(c1 , c2): >> >> > c1 = chartonum(c1) >> >> > c2 = chartonum(c2) >> >> > return numtochar(c1 + c2 %26) >> >> >> >>

Re: running python 2 vs 3

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 2:16 PM, Steven D'Aprano wrote: > I haven't seen scripts broken because "env" > has moved, but I guess that's only a matter of time. That usage is extremely common, and isn't it also specified by POSIX? I think that's about as dependable as you can get. Course, it does de

Re: Python - Caeser Cipher Not Giving Right Output

2014-03-20 Thread dtran . ru
On Thursday, March 20, 2014 11:16:50 PM UTC-4, Dave Angel wrote: > dtran...@gmail.com Wrote in message: > > > Hello good people I am working on a caeser cipher program for class. > > However, I ran into a problem with my outputs. Up to a certain point for > > example: > > > > > > 1. two('y',

Re: running python 2 vs 3

2014-03-20 Thread Steven D'Aprano
On Thu, 20 Mar 2014 21:06:24 -0400, Ned Batchelder wrote: > In the #python IRC channel, there's a steady flow of people who run > programs they find online, and they get a syntax error on "print", and > we say, "Arch?" and they say, "yup". When you install random programs you find online without

Re:Python - Caeser Cipher Not Giving Right Output

2014-03-20 Thread Dave Angel
dtran...@gmail.com Wrote in message: > Hello good people I am working on a caeser cipher program for class. However, > I ran into a problem with my outputs. Up to a certain point for example: > > 1. two('y', 'z') > > Would give a '\x92' output instead of a 'x' output. > > Currently this is my

Python - Caeser Cipher Not Giving Right Output

2014-03-20 Thread dtran . ru
Hello good people I am working on a caeser cipher program for class. However, I ran into a problem with my outputs. Up to a certain point for example: 1. two('y', 'z') Would give a '\x92' output instead of a 'x' output. Currently this is my code so far: def chartonum(ch): return ord(ch) -

Re: running python 2 vs 3

2014-03-20 Thread alex23
On 3/20/2014 3:07 PM, John Gordon wrote: There are two ways (at least!) to run a python script: > On 21/03/2014 8:05 AM, Terry Reedy wrote: 3. [...] "Our chief weapon is..." -- https://mail.python.org/mailman/listinfo/python-list

Re: running python 2 vs 3

2014-03-20 Thread Rustom Mody
On Friday, March 21, 2014 2:23:25 AM UTC+5:30, Ned Batchelder wrote: > On 3/20/14 4:42 PM, Marko Rauhamaa wrote: > > Ned Batchelder : > >> Plenty of people have adopted a dual-support strategy, with one code > >> base that supports both Python 2 and Python 3. The six module can help > >> a great de

Re: running python 2 vs 3

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 12:06 PM, Roy Smith wrote: > In article <532b8f0d$0$29994$c3e8da3$54964...@news.astraweb.com>, > Steven D'Aprano wrote: > >> The rule of three applies here: anything you do in three different places >> ought to be managed by a function. > > I prefer the rule of two :-) T

Re: Question about Source Control

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 12:33 PM, Cameron Simpson wrote: > Regarding having Mercurial installed, that is very easy, and after > you've gone (eg): > > hg clone https://bitbucket.org/cameron_simpson/css my-copy-of-cameron's-css > > (or wherever the public repository is published), you can of cours

Re: CallBack function in C Libraries.

2014-03-20 Thread Rhodri James
On Thu, 20 Mar 2014 23:56:43 -, wrote: Give the function call its required argument and the error will go away... well, at least that one. Yep, many thanks for the answer. But... im totally beginner with Python. I develop in Pascal and C and want to understand the basics of Python. In c

Re: Question about Source Control

2014-03-20 Thread Cameron Simpson
On 21Mar2014 09:34, Chris Angelico wrote: > On Fri, Mar 21, 2014 at 9:19 AM, Gregory Ewing > > Also, unless the project is truly ancient, the > > whole history might not be as big as you expect. > > The code presumably grew to its present size > > incrementally, in an approximately monotonic > > m

Re: running python 2 vs 3

2014-03-20 Thread Ethan Furman
On 03/20/2014 05:37 PM, Steven D'Aprano wrote: In my experience, such as it is, the hard part about writing code that works from 2.4 to 3.4 is not the 3 versions but the 2.4 and 2.5 versions. +1000! (yes, that's factorial ;) -- ~Ethan~ -- https://mail.python.org/mailman/listinfo/python-list

Re: running python 2 vs 3

2014-03-20 Thread Ned Batchelder
On 3/20/14 9:06 PM, Ned Batchelder wrote: On 3/20/14 8:32 PM, Steven D'Aprano wrote: On Thu, 20 Mar 2014 16:26:39 -0400, Ned Batchelder wrote: On 3/20/14 3:07 PM, Eric Jacoboni wrote: Le 20/03/2014 16:21, Marko Rauhamaa a écrit : All tutorials will tell you to start it with #!/usr/bi

Re: running python 2 vs 3

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 11:59 AM, Steven D'Aprano wrote: > The rule of three applies here: anything you do in three different places > ought to be managed by a function. Printing a newline at the end of a > line of output is *incredibly* common. Any language which fails to > provide a print-with-n

Re: running python 2 vs 3

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 11:32 AM, Steven D'Aprano wrote: > Perhaps Arch-Linux is guilty of being prematurely Python 3... > > I have no idea what "our pain" you are referring to, or who "our" refers > to. In the three or five years or so since Arch-Linux moved to Python 3 > by default, I don't reca

Re: running python 2 vs 3

2014-03-20 Thread Roy Smith
In article <532b8f0d$0$29994$c3e8da3$54964...@news.astraweb.com>, Steven D'Aprano wrote: > The rule of three applies here: anything you do in three different places > ought to be managed by a function. I prefer the rule of two :-) -- https://mail.python.org/mailman/listinfo/python-list

Re: running python 2 vs 3

2014-03-20 Thread Ned Batchelder
On 3/20/14 8:32 PM, Steven D'Aprano wrote: On Thu, 20 Mar 2014 16:26:39 -0400, Ned Batchelder wrote: On 3/20/14 3:07 PM, Eric Jacoboni wrote: Le 20/03/2014 16:21, Marko Rauhamaa a écrit : All tutorials will tell you to start it with #!/usr/bin/env python which will start python2 on a

Re: running python 2 vs 3

2014-03-20 Thread Steven D'Aprano
On Thu, 20 Mar 2014 22:50:45 +0200, Marko Rauhamaa wrote: > Mark Lawrence : > >> On 20/03/2014 20:30, Marko Rauhamaa wrote: >>> I must say, though, that Python3 destroyed "print" forever for me. To >>> avoid nausea, I write sys.stdout.write() in all Python3 code. >> >> Not for me, I was using fro

Re: running python 2 vs 3

2014-03-20 Thread Steven D'Aprano
On Thu, 20 Mar 2014 16:53:25 -0400, Ned Batchelder wrote: > On 3/20/14 4:42 PM, Marko Rauhamaa wrote: >> Ned Batchelder : >> >>> Plenty of people have adopted a dual-support strategy, with one code >>> base that supports both Python 2 and Python 3. The six module can help >>> a great deal with thi

Re: running python 2 vs 3

2014-03-20 Thread Steven D'Aprano
On Thu, 20 Mar 2014 16:26:39 -0400, Ned Batchelder wrote: > On 3/20/14 3:07 PM, Eric Jacoboni wrote: >> Le 20/03/2014 16:21, Marko Rauhamaa a écrit : >> >> >>> All tutorials will tell you to start it with >>> >>> #!/usr/bin/env python >>> >>> which will start python2 on all (?) existing linux

Re: running python 2 vs 3

2014-03-20 Thread Steven D'Aprano
On Thu, 20 Mar 2014 21:28:43 +, notbob wrote: > On 2014-03-20, Mark H Harris wrote: > >> When I call python2 that means python2.7.6 / >> >> When I call python3 that means python3.3.4 / >> >> I can also call python2.7, which is 2.7.2 / >> >> You get the idea. There is no one set rule, becau

Re: Installing ssdeep on Portable Python /advice

2014-03-20 Thread Mark Lawrence
On 21/03/2014 00:16, laguna...@mail.com wrote: Portable Python 2.7 for Windows, the Python application have dependency on ssdeep-2.10, which is a binary exe. The ssdeep (libfuzzy) installation example was shown for Linux platform only: a) libfuzzy can be installed via apt-get: $ sudo

Installing ssdeep on Portable Python /advice

2014-03-20 Thread laguna-mc
Portable Python 2.7 for Windows, the Python application have dependency on ssdeep-2.10, which is a binary exe. The ssdeep (libfuzzy) installation example was shown for Linux platform only: a) libfuzzy can be installed via apt-get:    $ sudo apt-get install libfuzzy2 b) to install libfuzzy

Re: CallBack function in C Libraries.

2014-03-20 Thread 88888 Dihedral
On Friday, March 21, 2014 7:56:43 AM UTC+8, fiens...@gmail.com wrote: > > Give the function call its required argument and the error will go > > > > > > away... well, at least that one. > > > > Yep, many thanks for the answer. > > But... im totally beginner with Python. > > I develop in Pa

Re: CallBack function in C Libraries.

2014-03-20 Thread fiensproto
> Give the function call its required argument and the error will go > > away... well, at least that one. Yep, many thanks for the answer. But... im totally beginner with Python. I develop in Pascal and C and want to understand the basics of Python. In concrete, what must i change in the code ?

Re: CallBack function in C Libraries.

2014-03-20 Thread Mark H Harris
On 3/20/14 6:16 PM, fienspr...@gmail.com wrote: def TheProc(c_int): fpgui.fpgFormWindowTitle(0, 'Boum') return 0 TheProcF = CMPFUNC(TheProc) Traceback (most recent call last): File "_ctypes/callbacks.c", line 314, in 'calling callback function' TypeError: TheProc() takes exactly 1 argument

Re: running python 2 vs 3

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 9:23 AM, Marko Rauhamaa wrote: > Ned Batchelder : >> On 3/20/14 4:59 PM, Marko Rauhamaa wrote: >>> Well, with proper care, I suppose the same code base could support perl >>> as well. ;) >> >> I'm not sure how to take this comment. I feel like you are mocking my >> choice.

CallBack function in C Libraries.

2014-03-20 Thread fiensproto
Hello. I want to use a c library. It is a complete graphic widget set. Here code working. But i have problem with the callback function. The callback is executed while ClikOnForm is executed but i get a error message (see after code ) _

Re: running python 2 vs 3

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 7:08 AM, Marko Rauhamaa wrote: > Alan Meyer : > >> I presume it would still be a good idea to test both python >> interpreters against any script that you didn't knowingly write with a >> feature that will only work in one of the two python versions. >> >> If it works fine

Re: running python 2 vs 3

2014-03-20 Thread Mark Lawrence
On 20/03/2014 22:23, Marko Rauhamaa wrote: Ned Batchelder : On 3/20/14 4:59 PM, Marko Rauhamaa wrote: Well, with proper care, I suppose the same code base could support perl as well. ;) I'm not sure how to take this comment. I feel like you are mocking my choice. I wanted to make coverage.py

Re: running python 2 vs 3

2014-03-20 Thread Steven D'Aprano
On Thu, 20 Mar 2014 22:30:57 +0200, Marko Rauhamaa wrote: > To avoid nausea, I write sys.stdout.write() in all Python3 code. Now that's funny. I-know-I-shouldn't-respond-to-obvious-trolling-but-I-can't-help-myself-ly yrs, -- Steven D'Aprano -- https://mail.python.org/mailman/listinfo/python

Re: Question about Source Control

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 9:19 AM, Gregory Ewing wrote: > Chris Angelico wrote: >> >> You can then offer a non-source-control means of downloading that >> specific revision. > > Just keep in mind the downside that you can't then > push or pull your changes directly back into the main > repository. Y

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Ned Batchelder : > On 3/20/14 4:59 PM, Marko Rauhamaa wrote: >> Well, with proper care, I suppose the same code base could support perl >> as well. ;) > > I'm not sure how to take this comment. I feel like you are mocking my > choice. I wanted to make coverage.py available to as broad an audience >

Re: running python 2 vs 3

2014-03-20 Thread notbob
On 2014-03-20, Terry Reedy wrote: > That must be the only one you imported. So it is. Thank you. nb -- https://mail.python.org/mailman/listinfo/python-list

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
notbob : > Weeping Chryst on the cross!!. No wonder the latest O'Reilly book, > Learning Python, 5th ed, is 1600 pgs. I coulda swore someone sed > python is easy. ;) It's not that bad. There are two principal dialects: python2 and python3. Take the oldest python version you have to support and wr

Re: Question about Source Control

2014-03-20 Thread Gregory Ewing
Chris Angelico wrote: You can then offer a non-source-control means of downloading that specific revision. Just keep in mind the downside that you can't then push or pull your changes directly back into the main repository. You can generate a patch file for the project maintainer to apply, howe

Re: running python 2 vs 3

2014-03-20 Thread Michael Torrie
On 03/20/2014 11:10 AM, notbob wrote: > On 2014-03-20, Zachary Ware wrote: > >> If you're specifying the interpreter in your command (by calling >> "python .py", etc), the shebang won't mean anything >> anyway. > > DOH! > > I was following you, fine, until that last sentence. Then how should

Re: running python 2 vs 3

2014-03-20 Thread Terry Reedy
On 3/20/2014 3:07 PM, John Gordon wrote: There are two ways (at least!) to run a python script: 1. Execute the python interpreter manually, supplying the python script name as an arugment, like so: python myscript.py python2 otherscript.py python3 yetanotherscript.py Thi

Re: running python 2 vs 3

2014-03-20 Thread Terry Reedy
On 3/20/2014 1:23 PM, notbob wrote: What the heck is a .pyc file and how are they created? .pyc contained compiled bytecode. They are created when, and only when, you import a module. Imported library files are often big and stable, so their compiled forms get cached. Top-level scripts are

Re: running python 2 vs 3

2014-03-20 Thread Mark H Harris
On 3/20/14 4:28 PM, notbob wrote: No wonder the latest O'Reilly book, Learning Python, 5th ed, is 1600 pgs. I coulda swore someone sed python is easy. ;) nb Python is easy, but its not simple. Python is elegant, and full of art, but it has no paucity of constructs, types, and opportunities

Re: running python 2 vs 3

2014-03-20 Thread Mark Lawrence
On 20/03/2014 20:50, Marko Rauhamaa wrote: Mark Lawrence : On 20/03/2014 20:30, Marko Rauhamaa wrote: I must say, though, that Python3 destroyed "print" forever for me. To avoid nausea, I write sys.stdout.write() in all Python3 code. Not for me, I was using from __future__ import print_funct

Re: File Path/Global name issue

2014-03-20 Thread John Gordon
In <2089d20b-aa60-462f-aad0-51109849c...@googlegroups.com> roy.snuff...@gmail.com writes: > I am currently running code for a program called HotNet > (https://github.com/raphael-group/hotnet) > In its simpleRun.py file, there is a place to insert a file path to be run. > parser.add_argument('

Re: running python 2 vs 3

2014-03-20 Thread Ned Batchelder
On 3/20/14 4:59 PM, Marko Rauhamaa wrote: Ned Batchelder : It's an extreme case, but the latest released version of coverage.py supports Python 2.3 through 3.3 with one code base. To do it, there's a compatibility layer (akin to six). Then you stay away from features that aren't available on al

Re: running python 2 vs 3

2014-03-20 Thread notbob
On 2014-03-20, Ned Batchelder wrote: > On 3/20/14 3:07 PM, Eric Jacoboni wrote: >> With Arch-Linux, python is python3... >> > Yes, and they have been told many times that this was foolish and wrong, > but it persists, much to our pain. I've read that 2.7 is the defacto std for python (default

Re: running python 2 vs 3

2014-03-20 Thread notbob
On 2014-03-20, Mark H Harris wrote: > When I call python2 that means python2.7.6 / > > When I call python3 that means python3.3.4 / > > I can also call python2.7, which is 2.7.2 / > > You get the idea. There is no one set rule, because there are many > distros (gnu/linux) that use python at va

Re: running python 2 vs 3

2014-03-20 Thread Chris Kaynor
On Thu, Mar 20, 2014 at 1:59 PM, Marko Rauhamaa wrote: > Well, with proper care, I suppose the same code base could support perl > as well. ;) > Go even farther; how about C, PHP, and bash? I'm sure if you tried, you could mix in some Python as well. http://en.wikipedia.org/wiki/Polyglot_(comput

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Ned Batchelder : > It's an extreme case, but the latest released version of coverage.py > supports Python 2.3 through 3.3 with one code base. To do it, there's > a compatibility layer (akin to six). Then you stay away from features > that aren't available on all versions. In a few places, you migh

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Mark Lawrence : > On 20/03/2014 20:30, Marko Rauhamaa wrote: >> I must say, though, that Python3 destroyed "print" forever for me. To >> avoid nausea, I write sys.stdout.write() in all Python3 code. > > Not for me, I was using from __future__ import print_function for > years so got used to typing

Re: running python 2 vs 3

2014-03-20 Thread Ned Batchelder
On 3/20/14 4:42 PM, Marko Rauhamaa wrote: Ned Batchelder : Plenty of people have adopted a dual-support strategy, with one code base that supports both Python 2 and Python 3. The six module can help a great deal with this. I wonder how easy the resulting code is to the eyes and how easy it is

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Dan Stromberg : > Actually, I formerly used /usr/bin/env, but have recently (within the > last couple of years) stopped. > > This is because the env trick doesn't play nicely with top IME. Also, > it's a trick. I'm not sure I like it either, but it's a standard idiom in Pythonland. Marko -- ht

Re: running python 2 vs 3

2014-03-20 Thread Mark Lawrence
On 20/03/2014 20:30, Marko Rauhamaa wrote: Mark Lawrence : The starter is 2to3 which had been in the standard library for what seems like an eternity to me. No problem there. It helps you transition from python2 to python3. However, python3 is here and you should be able to write genuine pyt

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Ned Batchelder : > Plenty of people have adopted a dual-support strategy, with one code > base that supports both Python 2 and Python 3. The six module can help > a great deal with this. I wonder how easy the resulting code is to the eyes and how easy it is for the casual maintainer to accidental

Re: running python 2 vs 3

2014-03-20 Thread Zachary Ware
On Thu, Mar 20, 2014 at 3:30 PM, Marko Rauhamaa wrote: > I must say, though, that Python3 destroyed "print" forever for me. To > avoid nausea, I write sys.stdout.write() in all Python3 code. To each their own :). I can't stand using 'print' as a statement. It's a very nice trick to be able to wr

Re: running python 2 vs 3

2014-03-20 Thread Dan Stromberg
On Thu, Mar 20, 2014 at 8:21 AM, Marko Rauhamaa wrote: > notbob : > >> I've installed python 3.3 on my Slack box, which by default comes with >> python 2.7. I know how to fire up the different IDLE environments, but >> how do I differentiate between the scripts? IOW, up till now, I've >> used .py

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Mark Lawrence : > The starter is 2to3 which had been in the standard library for what > seems like an eternity to me. No problem there. It helps you transition from python2 to python3. However, python3 is here and you should be able to write genuine python3 code with the appropriate bytes and st

Re: running python 2 vs 3

2014-03-20 Thread Ned Batchelder
On 3/20/14 4:08 PM, Marko Rauhamaa wrote: Alan Meyer : I presume it would still be a good idea to test both python interpreters against any script that you didn't knowingly write with a feature that will only work in one of the two python versions. If it works fine in both - and many will, the

Re: running python 2 vs 3

2014-03-20 Thread Ned Batchelder
On 3/20/14 3:07 PM, Eric Jacoboni wrote: Le 20/03/2014 16:21, Marko Rauhamaa a écrit : All tutorials will tell you to start it with #!/usr/bin/env python which will start python2 on all (?) existing linux distros, but is expected to start python3 within the next decade. With Arch-Linux

Re: File Path/Global name issue

2014-03-20 Thread Peter Otten
roy.snuff...@gmail.com wrote: > I am currently running code for a program called HotNet > (https://github.com/raphael-group/hotnet) > > In its simpleRun.py file, there is a place to insert a file path to be > run. > > parser.add_argument('-mf', '--infmat_file', required=True, >

Re: running python 2 vs 3

2014-03-20 Thread Mark Lawrence
On 20/03/2014 20:08, Marko Rauhamaa wrote: Alan Meyer : I presume it would still be a good idea to test both python interpreters against any script that you didn't knowingly write with a feature that will only work in one of the two python versions. If it works fine in both - and many will, th

Re: File Path/Global name issue

2014-03-20 Thread Skip Montanaro
On Thu, Mar 20, 2014 at 3:08 PM, wrote: > simpleRun.py: error: argument -mf/--infmat_file is required I think you are misinterpreting the actual purpose of the parser_add_argument() call. It's telling you that *on the command line* you can specify it using either -mf some-file-name or --infma

Re: running python 2 vs 3

2014-03-20 Thread Mark H Harris
On 3/20/14 2:53 PM, Alan Meyer wrote: #!/usr/bin/env python Only use the "python2" or "python3" versions if you really have a reason to do so. It gets tricky for distribution (you need docs for your distros, imho) because #!/usr/bin/env python means different things on different systems.

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Alan Meyer : > I presume it would still be a good idea to test both python > interpreters against any script that you didn't knowingly write with a > feature that will only work in one of the two python versions. > > If it works fine in both - and many will, then use: > > #!/usr/bin/env pytho

Re: File Path/Global name issue

2014-03-20 Thread roy . snuffles
Hi Skip! Thank you so much for the response. When I put quotes around the file name I receive this output. simpleRun.py: error: argument -mf/--infmat_file is required -- https://mail.python.org/mailman/listinfo/python-list

Re: File Path/Global name issue

2014-03-20 Thread Skip Montanaro
On Thu, Mar 20, 2014 at 2:55 PM, wrote: > File "simpleRun.py", line 29 > help= ~/home/lai/Downloads/influence_matrix_files/hprd_inf_.mat) >^ > SyntaxError: invalid syntax You need quotes around the filename. It's a string literal. Skip -- https://mail.python.org/mailman/listinf

File Path/Global name issue

2014-03-20 Thread roy . snuffles
I am currently running code for a program called HotNet (https://github.com/raphael-group/hotnet) In its simpleRun.py file, there is a place to insert a file path to be run. parser.add_argument('-mf', '--infmat_file', required=True, help='Path to .mat file containing inf

Re: running python 2 vs 3

2014-03-20 Thread Alan Meyer
On 3/20/2014 11:21 AM, Marko Rauhamaa wrote: On a linux box, the initial line of the script indicates the interpreter: #!/usr/bin/env python2 for Python 2.x #!/usr/bin/env python3 for Python 3.x. All tutorials will tell you to start it with #!/usr/bin/env python which will sta

Re: running python 2 vs 3

2014-03-20 Thread Mark H Harris
On 3/20/14 12:47 PM, Marko Rauhamaa wrote: I've seen it done, but at least in those Python 2 days the pyc format changed between minor releases of Python, so Python itself had to be shipped with the pyc files. hi Marko, yeah, I have not done this; being that the concept is contrary to my princ

Re: running python 2 vs 3

2014-03-20 Thread Eric Jacoboni
Le 20/03/2014 16:21, Marko Rauhamaa a écrit : > All tutorials will tell you to start it with > >#!/usr/bin/env python > > which will start python2 on all (?) existing linux distros, but is > expected to start python3 within the next decade. With Arch-Linux, python is python3... -- https:

Re: running python 2 vs 3

2014-03-20 Thread John Gordon
In notbob writes: > On 2014-03-20, Zachary Ware wrote: > > If you're specifying the interpreter in your command (by calling > > "python .py", etc), the shebang won't mean anything > > anyway. > DOH! > I was following you, fine, until that last sentence. Then how should > I invoke the scri

Re: running python 2 vs 3

2014-03-20 Thread Mark Lawrence
On 20/03/2014 15:21, Marko Rauhamaa wrote: notbob : I've installed python 3.3 on my Slack box, which by default comes with python 2.7. I know how to fire up the different IDLE environments, but how do I differentiate between the scripts? IOW, up till now, I've used .py on all my 2.7 files. How

Re: running python 2 vs 3

2014-03-20 Thread Ned Batchelder
On 3/20/14 1:47 PM, Marko Rauhamaa wrote: Mark H Harris : If you wanted to you could run your python scripts from the .pyc file alone. In other words, you may import as long as the .pyc file exists and the source does not need to be there. Some folks use this (not recommended) trick to hide or

Re: Problem with pickle and restarting a program

2014-03-20 Thread peace
On Thursday, March 20, 2014 1:20:03 AM UTC-7, dieter wrote: > Peace <> writes: > > > ... > > > The serial number field always remains empty even though I enter from the > > GUI and the receiveSerialNumber function is called and I explicitly > > initialize it to the variable in the model. > > >

Installing ssdeep on Portable Python

2014-03-20 Thread laguna-mc
Portable Python 2.7 for Windows, the Python application have dependency on ssdeep-2.10, which is a binary exe. The ssdeep (libfuzzy) installation example was shown for Linux platform only: a) libfuzzy can be installed via apt-get:    $ sudo apt-get install libfuzzy2 b) to install libfuzzy

Re: running python 2 vs 3

2014-03-20 Thread Gary Herron
On 03/20/2014 10:10 AM, notbob wrote: On 2014-03-20, Zachary Ware wrote: If you're specifying the interpreter in your command (by calling "python .py", etc), the shebang won't mean anything anyway. DOH! I was following you, fine, until that last sentence. Then how should I invoke the script

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Mark H Harris : > If you wanted to you could run your python scripts from the .pyc file > alone. In other words, you may import as long as the .pyc file exists > and the source does not need to be there. Some folks use this (not > recommended) trick to hide or obfuscate their source from their > u

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
Chris Angelico : > Nowadays they'll be pushed away into a separate directory, which makes > them easier for you to ignore. This is a good thing. Still, I don't think Python should go and soil my directories without an explicit permission. Marko -- https://mail.python.org/mailman/listinfo/pytho

Re: running python 2 vs 3

2014-03-20 Thread Mark H Harris
On 3/20/14 12:23 PM, notbob wrote: What the heck is a .pyc file and how are they created? Actually, I can see it's a compiled binary, but I where did it come from? The world according to me: python is an interpreter (vs compiler) which converts your source code into tokens and then into a

Re: running python 2 vs 3

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 4:10 AM, notbob wrote: > On 2014-03-20, Zachary Ware wrote: > >> If you're specifying the interpreter in your command (by calling >> "python .py", etc), the shebang won't mean anything >> anyway. > > DOH! > > I was following you, fine, until that last sentence. Then how s

Re: running python 2 vs 3

2014-03-20 Thread Chris Angelico
On Fri, Mar 21, 2014 at 4:23 AM, notbob wrote: > On 2014-03-20, Mark H Harris wrote: > >> not) there really is no problem. The reason is that the .pyc files >> created for python2.x are only used by python2. > > Lordy, what hath I wrought!? ;) > > What the heck is a .pyc file and how are they cr

Re: running python 2 vs 3

2014-03-20 Thread notbob
On 2014-03-20, Mark H Harris wrote: > not) there really is no problem. The reason is that the .pyc files > created for python2.x are only used by python2. Lordy, what hath I wrought!? ;) What the heck is a .pyc file and how are they created? Actually, I can see it's a compiled binary, but

Re: running python 2 vs 3

2014-03-20 Thread notbob
On 2014-03-20, Zachary Ware wrote: > If you're specifying the interpreter in your command (by calling > "python .py", etc), the shebang won't mean anything > anyway. DOH! I was following you, fine, until that last sentence. Then how should I invoke the scripts? as your example is exactly

Re: running python 2 vs 3

2014-03-20 Thread Zachary Ware
On Thu, Mar 20, 2014 at 11:00 AM, notbob wrote: > Ahhh! now a shabang I understand. So, I guess the only way, short > of looking at the actual file, is to include the version in the > filename. Can I safely assume I can run all 2.7 files w/o a shebang > (which I have not, so far, and was won

Re: running python 2 vs 3

2014-03-20 Thread Mark H Harris
On 3/20/14 9:58 AM, notbob wrote: I've installed python 3.3 on my Slack box, which by default comes with python 2.7. I know how to fire up the different IDLE environments, but how do I differentiate between the scripts? hi notbob, the two (or more) IDLE environments run very nicely side-by-s

Re: running python 2 vs 3

2014-03-20 Thread notbob
On 2014-03-20, Marko Rauhamaa wrote: > That's a bit of a sore spot. > > On a linux box, the initial line of the script indicates the > interpreter: > >#!/usr/bin/env python2 > > for Python 2.x > >#!/usr/bin/env python3 > > for Python 3.x. > > All tutorials will tell you to start it with >

Re: running python 2 vs 3

2014-03-20 Thread Marko Rauhamaa
notbob : > I've installed python 3.3 on my Slack box, which by default comes with > python 2.7. I know how to fire up the different IDLE environments, but > how do I differentiate between the scripts? IOW, up till now, I've > used .py on all my 2.7 files. How do I know not to run a .py in > python

running python 2 vs 3

2014-03-20 Thread notbob
Dumb noob questions: I've installed python 3.3 on my Slack box, which by default comes with python 2.7. I know how to fire up the different IDLE environments, but how do I differentiate between the scripts? IOW, up till now, I've used .py on all my 2.7 files. How do I know not to run a .py in

Re: Dictionaries

2014-03-20 Thread ishish
Thanks Peter for the fast response, but the prob is solved. My colleague just verbally slapped me because a dict SHOULDN'T have duplicate keys... I change it around to duplicate values and it works fine I think I need coffee now... lots of it. -- https://mail.python.org/mailman/listinfo/pyt

Re:Dictionaries

2014-03-20 Thread Dave Angel
Please don't leave new questions in an existing thread, and especially without changing subject line. Compose a new message with meaningful subject line. ishish Wrote in message: > Hi, > > This might sound weird, but is there a limit how many dictionaries a > can create/use in a single scr

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