Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Stefan Behnel
Steven D'Aprano, 01.03.2013 04:47: > On Thu, 28 Feb 2013 22:03:09 +0100, Stefan Behnel wrote: > >> The most widely used static Python compiler is Cython > > Cython is not a Python compiler. Cython code will not run in a vanilla > Python implementation. It has different keywords and syntax, e.g.:

Re: text formatting question

2013-02-28 Thread idy
On Friday, March 1, 2013 12:23:41 PM UTC+5:30, Chris Angelico wrote: > On Fri, Mar 1, 2013 at 5:49 PM, idy wrote: > > > Error = > > 'XYC.12345455LOcation/user/data/MYGLE-INGXYC.23344566LOcation/user/data/INGE-FTYXYC.22334566LOcation/user/data/GETN-YUNXYC.12345455LOcation/user/data/MYGLE-INGXYC.1

Re: text formatting question

2013-02-28 Thread Chris Angelico
On Fri, Mar 1, 2013 at 5:49 PM, idy wrote: > Error = > 'XYC.12345455LOcation/user/data/MYGLE-INGXYC.23344566LOcation/user/data/INGE-FTYXYC.22334566LOcation/user/data/GETN-YUNXYC.12345455LOcation/user/data/MYGLE-INGXYC.111LOcation/user/data/INGE-FTYXYC.333LOcation/user/data/GETN-YUN' > > I

text formatting question

2013-02-28 Thread idy
I have a text string of this format Error = 'XYC.12345455LOcation/user/data/MYGLE-INGXYC.23344566LOcation/user/data/INGE-FTYXYC.22334566LOcation/user/data/GETN-YUNXYC.12345455LOcation/user/data/MYGLE-INGXYC.111LOcation/user/data/INGE-FTYXYC.333LOcation/user/data/GETN-YUN' I need to writ

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread 88888 Dihedral
kramer65於 2013年3月1日星期五UTC+8上午4時25分07秒寫道: > Hello, > > > > I'm using Python for a while now and I love it. There is just one thing I > cannot understand. There are compilers for languages like C and C++. why is > it impossible to create a compiler that can compile Python code to > machinecode?

Having problems crashing IDLE

2013-02-28 Thread Quintessence
I've been learning Python over the past week or so and I keep running into an issue where opening saved files will crash IDLE (not consistently, sometimes the same files with no changes will open and sometimes not). I was originally running Python 3.2.3, but I removed it and upgraded to 3.3.0 ho

Re: QT Inspired web development framework for python

2013-02-28 Thread Michael Torrie
On 02/28/2013 06:48 PM, timothy crosley wrote: > I've been working on a web development framework that integrates several > popular QT features (such as a graphical template builder, signal / slots, > ui's built by objects) for the last few years, and I was hoping that some > people here might f

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread alex23
On Mar 1, 6:25 am, kramer65 wrote: > There are compilers for languages like C and C++. why > is it impossible to create a compiler that can compile > Python code to machinecode? This is a nice site list a lot of current approaches to that subject: http://compilers.pydata.org/ -- http://mail.pyt

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread alex23
On Mar 1, 1:47 pm, Steven D'Aprano wrote: > Cython is not a Python compiler. Cython code will not run in a vanilla > Python implementation. It has different keywords and syntax, e.g.: > > cdef inline int func(double num): >     ... > > which gives SyntaxError in a Python compiler. Cython has had

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Steven D'Aprano
On Thu, 28 Feb 2013 12:25:07 -0800, kramer65 wrote: > Hello, > > I'm using Python for a while now and I love it. There is just one thing > I cannot understand. There are compilers for languages like C and C++. > why is it impossible to create a compiler that can compile Python code > to machineco

Re: raw format string in string format method?

2013-02-28 Thread Chris Angelico
On Fri, Mar 1, 2013 at 10:27 AM, Rick Johnson wrote: > On Thursday, February 28, 2013 8:42:31 AM UTC-6, Helmut Jarausch wrote: > >> Originally I had used percent-formatting >> But isn't it deprecated in Python 3.X ? > > I don't know the current state of "percent formats" future, however, i can >

Re: Store a variable permanently

2013-02-28 Thread Mitya Sirenef
On 02/28/2013 10:35 PM, eli m wrote: So i have a variable called funds that i want to store the value of even after the program is exited. My funds variable holds the total value of funds i have. I add a certain number of funds each time i run the program by entering how much i want to add. Ho

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Steven D'Aprano
On Thu, 28 Feb 2013 22:03:09 +0100, Stefan Behnel wrote: > The most widely used static Python compiler is Cython Cython is not a Python compiler. Cython code will not run in a vanilla Python implementation. It has different keywords and syntax, e.g.: cdef inline int func(double num): ...

Re: Store a variable permanently

2013-02-28 Thread Steven D'Aprano
On Thu, 28 Feb 2013 19:35:57 -0800, eli m wrote: > So i have a variable called funds that i want to store the value of even > after the program is exited. My funds variable holds the total value of > funds i have. I add a certain number of funds each time i run the > program by entering how much i

Store a variable permanently

2013-02-28 Thread eli m
So i have a variable called funds that i want to store the value of even after the program is exited. My funds variable holds the total value of funds i have. I add a certain number of funds each time i run the program by entering how much i want to add. How would i store the funds variable to k

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Steven D'Aprano
On Thu, 28 Feb 2013 15:50:00 -0500, Matty Sarro wrote: > Python is an interpreted language, not a compiled language. Actually, *languages* are neither interpreted nor compiled. A language is an abstract description of behaviour and syntax. Whether something is interpreted or compiled or a mixtu

Re: suggestions for improving code fragment please

2013-02-28 Thread Steven D'Aprano
On Thu, 28 Feb 2013 19:47:12 +, The Night Tripper wrote: > Hi there > I'm being very dumb ... how can I simplify this fragment? I suggest that the best way to simplify that fragment is to change the design of your class so it isn't so horrible. As it stands now, your class defines an ar

ANN: dbf (aka Python dBase)

2013-02-28 Thread Ethan Furman
The latest version, 0.95.001, is available on PyPI: http://python.org/pypi/dbf dbf v0.95.001 = dbf (also known as python dbase) is a module for reading/writing dBase III, FP, VFP, and Clipper .dbf database files. It's an ancient format that still finds lots of use (the most common

QT Inspired web development framework for python

2013-02-28 Thread timothy crosley
Hi Everyone, I've been working on a web development framework that integrates several popular QT features (such as a graphical template builder, signal / slots, ui's built by objects) for the last few years, and I was hoping that some people here might find it useful. If you are interested the

Re: Speeding up Python's exit

2013-02-28 Thread Grant Edwards
On 2013-02-28, Steven D'Aprano wrote: > I know there is a function os._exit which effectively kills the > Python interpreter dead immediately, without doing any cleanup. What > are the consequences of doing this? You loose any data you haven't saved to disk. > I assume that the memory used by t

Re: Twisted or Tornado?

2013-02-28 Thread Michael Torrie
On 02/28/2013 05:28 PM, Jake Angulo wrote: > My requirements for this framework in descending order: 1) Easy to > use API 2) Widely available documentation / Examples / Community > contributions 3) Feature-wise - kinda most that you commonly need is > there By this I take it you mean you want to e

Twisted or Tornado?

2013-02-28 Thread Jake Angulo
I have to say it first: I am not trolling :P Im working on a server project (with IOS client) and would like to create a custom, lean and mean server - real Quick! My requirements for this framework in descending order: 1) Easy to use API 2) Widely available documentation / Examples / Community

Re: Read csv file and create a new file

2013-02-28 Thread Dave Angel
On 02/28/2013 05:05 PM, io wrote: Just use a tolower() method on both strings when you're comparing them. Of course, that may not work well with international character sets. Some characters in some languages have no lowercase equivalent, and using toupper() has the same problem in other lan

Re: Do you feel bad because of the Python docs?

2013-02-28 Thread alex23
On Mar 1, 4:28 am, Rick Johnson wrote: > And by the way Alex, you are free to put *your* face into the conversation > anytime you like. You're such a little fascist. -- http://mail.python.org/mailman/listinfo/python-list

Re: raw format string in string format method?

2013-02-28 Thread Mark Lawrence
On 28/02/2013 14:42, Helmut Jarausch wrote: On Fri, 01 Mar 2013 01:22:48 +1100, Chris Angelico wrote: On Fri, Mar 1, 2013 at 1:11 AM, Helmut Jarausch wrote: Hi, I'd like to print a string with the string format method which uses {0}, ... Unfortunately, the string contains TeX commands which

HTC ChaCha review

2013-02-28 Thread 23alagmy
HTC ChaCha review http://natigtas7ab.blogspot.com/2012/10/htc-chacha-review.html -- http://mail.python.org/mailman/listinfo/python-list

Re: raw format string in string format method?

2013-02-28 Thread Rick Johnson
On Thursday, February 28, 2013 8:42:31 AM UTC-6, Helmut Jarausch wrote: > Originally I had used percent-formatting > But isn't it deprecated in Python 3.X ? I don't know the current state of "percent formats" future, however, i can tell you that it should be deprecated ASAP! Simpleminded Sam b

Re: suggestions for improving code fragment please

2013-02-28 Thread The Night Tripper
Hi All thanks very much for the various suggestions - very helpful. I think I like one of the 'just catch the exception' approaches, or using Mitya's helper function, which I was clutching towards myself. Either way, lots of food for thought. This forum really is one of the best places aroun

Re: raw format string in string format method?

2013-02-28 Thread Rick Johnson
On Thursday, February 28, 2013 8:11:17 AM UTC-6, Helmut Jarausch wrote: > Hi, > > > > I'd like to print a string with the string format method which uses > {0}, ... /What/ uses "{0}" exactly? The substring you wish to inject or the format method? If the latter, we are aware of that! > Unfortu

Re: suggestions for improving code fragment please

2013-02-28 Thread Tim Chase
On 2013-02-28 16:28, Dave Angel wrote: > On 02/28/2013 03:37 PM, Tim Chase wrote: > >for attr in ("myparm1", "myparm2", "myparm3", ...): > > if arglist: > >setattr(self, attr, arglist.pop(0)) > > else: > >break > > > Or something like (untested): > > for name, va

Re: Largest possible size for executemany() in PEP-249 (Database API)

2013-02-28 Thread Neil Hodgson
Roy Smith: _mysql_exceptions.OperationalError: (1153, "Got a packet bigger than 'max_allowed_packet' bytes") Is there any way (other than trial and error) to know how many records I can pass in one call before I blow up? Its unlikely to be a limit in the number of records but a limit on t

Re: Read csv file and create a new file

2013-02-28 Thread io
> Just use a tolower() method on both strings when you're comparing them. > Of course, that may not work well with international character sets. > Some characters in some languages have no lowercase equivalent, and > using toupper() has the same problem in other languages. > > Also, the approac

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Nobody
On Thu, 28 Feb 2013 12:25:07 -0800, kramer65 wrote: > I'm using Python for a while now and I love it. There is just one thing > I cannot understand. There are compilers for languages like C and C++. > why is it impossible to create a compiler that can compile Python code > to machinecode? It's no

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Terry Reedy
The subject line is wrong. There are multiple compilers. Someone just listed some of them today in another post. On 2/28/2013 3:50 PM, Matty Sarro wrote: Python is an interpreted language, not a compiled language. A language is just a language. Implementations are implementations*. That asid

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Morten Engvoldsen
Hi, I think i can use Europe time zone as current local time : import datetime as dt >>> import pytz >>> utc = pytz.timezone("UTC") >>> norway = pytz.timezone("Europe/Norway") >>> a = dt.datetime(2008, 7, 6, 5, 4, 3, tzinfo=utc) >>> b = a.astimezone(norway) i think this will provide me correct cu

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Chris Angelico
On Fri, Mar 1, 2013 at 8:44 AM, Morten Engvoldsen wrote: > Hi, > Thanks all for suggestion... > > I am using current date as current date local time. I think > datetime.datetime will provide current local date and time, so > hopefullt the function take care > if the local clock is changed... The

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Morten Engvoldsen
Hi, Thanks all for suggestion... I am using current date as current date local time. I think datetime.datetime will provide current local date and time, so hopefullt the function take care if the local clock is changed... -- Forwarded message -- From: Chris Angelico To: python-li

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Jonas Geiregat
On do, feb 28, 2013 at 12:25:07pm -0800, kramer65 wrote: > Hello, > > I'm using Python for a while now and I love it. There is just one thing I > cannot understand. There are compilers for languages like C and C++. why is > it impossible to create a compiler that can compile Python code to > ma

Re: suggestions for improving code fragment please

2013-02-28 Thread Terry Reedy
On 2/28/2013 2:47 PM, The Night Tripper wrote: Hi there I'm being very dumb ... how can I simplify this fragment? if arglist: arglist.pop(0) if arglist: self.myparm1 = arglist.pop(0) if arglist: self.

Re: suggestions for improving code fragment please

2013-02-28 Thread Dave Angel
On 02/28/2013 03:37 PM, Tim Chase wrote: On 2013-02-28 19:47, The Night Tripper wrote: Hi there I'm being very dumb ... how can I simplify this fragment? if arglist: arglist.pop(0) if arglist: self.myparm1 = arglist.pop(0)

Re: Read csv file and create a new file

2013-02-28 Thread Dave Angel
On 02/28/2013 03:46 PM, io wrote: Neil, it works great! Just one question : what can i do for ignoring the case sensitive of the symbol? It wasn't working initially, then i wrote the values respecting case sensitive in the file esclusioni and all worked as a charm. I would just like to know if

Re: suggestions for improving code fragment please

2013-02-28 Thread Mitya Sirenef
On 02/28/2013 02:47 PM, The Night Tripper wrote: Hi there > I'm being very dumb ... how can I simplify this fragment? > > > if arglist: > arglist.pop(0) > if arglist: > self.myparm1 = arglist.pop(0) > if arglist: > self.myparm2 = arglist.pop(0) > if arglist: > self.myparm3 = arglist.pop(0) > if

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Modulok
> I'm using Python for a while now and I love it. There is just one thing I > cannot understand. There are compilers for languages like C and C++. why is > it impossible to create a compiler that can compile Python code to > machinecode? Not exactly what you describe, but have you checked out PyPy

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Dave Angel
On 02/28/2013 03:25 PM, kramer65 wrote: Hello, I'm using Python for a while now and I love it. There is just one thing I cannot understand. There are compilers for languages like C and C++. why is it impossible to create a compiler that can compile Python code to machinecode? My reasoning is

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Stefan Behnel
Stefan Behnel, 28.02.2013 22:03: > there are also a couple of projects that do > dynamic runtime compilation, most notably PyPy and Numba. Oh, and HotPy, I keep forgetting about that. > You may want to take a look at the Python implementations page, > specifically the list of Python compilers: >

Re: suggestions for improving code fragment please

2013-02-28 Thread MRAB
On 2013-02-28 19:47, The Night Tripper wrote: Hi there I'm being very dumb ... how can I simplify this fragment? if arglist: arglist.pop(0) if arglist: self.myparm1 = arglist.pop(0) if arglist: self.m

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Chris Angelico
On Fri, Mar 1, 2013 at 7:50 AM, Matty Sarro wrote: > C (your example) was intended for very low level programming, things like > operating systems, device drivers, networking stacks, where the speed of a > compiled executable and direct access to hardware was a necessity. That's > what Dennis Ritc

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Rick Johnson
On Thursday, February 28, 2013 2:41:30 PM UTC-6, Morten Engvoldsen wrote: > > [...] > > def salesrecord(): >     serial_number = 0 >     sales_recrod = {'record1':'product1', > 'record2':'product2', > 'record3':'product3', > } > >     for

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Stefan Behnel
kramer65, 28.02.2013 21:25: > I'm using Python for a while now and I love it. There is just one thing > I cannot understand. There are compilers for languages like C and C++. > why is it impossible to create a compiler that can compile Python code > to machinecode? All projects that implement such

Re: Read csv file and create a new file

2013-02-28 Thread io
The final working code is : import json import urllib import csv url = "http://bitcoincharts.com/t/markets.json"; response = urllib.urlopen(url); data = json.loads(response.read()) f = open("/home/io/markets.csv","wb") c = csv.writer(f) #apre un file di testo e legge il contenuto del file inser

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Chris Angelico
On Fri, Mar 1, 2013 at 6:23 AM, John Gordon wrote: > In Morten Engvoldsen > writes: > >> But, if i save the serial_ number value in file, then how will it decide >> to reset the serial number to '1' when the batch runs on next working day. > > Name the file so that it contains the date, i.e.

Re: Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread Matty Sarro
Python is an interpreted language, not a compiled language. This is actually a good thing! What it means is that there is a "scripting engine" (we just call it the interpreter) that actually executes everything for you. That means that any operating system that has an interpreter written for it is

Re: Read csv file and create a new file

2013-02-28 Thread io
Neil, it works great! Just one question : what can i do for ignoring the case sensitive of the symbol? It wasn't working initially, then i wrote the values respecting case sensitive in the file esclusioni and all worked as a charm. I would just like to know if i could ignore the case senstive

Fwd: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Morten Engvoldsen
Hi, Okey i have wrote the below program as you suggested: import time from datetime import date def salesrecord(): serial_number = 0 sales_recrod = {'record1':'product1', 'record2':'product2','record3':'product3'} for i in sales_recrod: print sales_recrod[i] serial_num

Re: Do you feel bad because of the Python docs?

2013-02-28 Thread Chris Angelico
On Fri, Mar 1, 2013 at 5:28 AM, Rick Johnson wrote: > Q: Do you feel that the bug tracker should be a place where users discuss > grievances that distract volunteers from fixing actual bugs? So you admit that discussion of your whining about perceived grievances would distract busy people from d

Re: suggestions for improving code fragment please

2013-02-28 Thread Tim Chase
On 2013-02-28 19:47, The Night Tripper wrote: > Hi there > I'm being very dumb ... how can I simplify this fragment? > > > if arglist: > arglist.pop(0) > if arglist: > self.myparm1 = arglist.pop(0) > if arglist: >

Why is it impossible to create a compiler than can compile Python to machinecode like C?

2013-02-28 Thread kramer65
Hello, I'm using Python for a while now and I love it. There is just one thing I cannot understand. There are compilers for languages like C and C++. why is it impossible to create a compiler that can compile Python code to machinecode? My reasoning is as follows: When GCC compiles a program wr

Re: Read csv file and create a new file

2013-02-28 Thread io
> Iterate over the file instead of looping manually. > > for line in esclusioni_file: > esclusioni.append(line.strip()) > print(esclusioni) the print was only to see if it was reading correct data but iìm not needing to see it. > Why are you checking d["symbol"] instead of d["currency

Re: Read csv file and create a new file

2013-02-28 Thread Neil Cerutti
On 2013-02-28, io wrote: > I'm a noob in python but my code looks like this : > > > import json > import urllib > import csv I take back what I said about the csv module. It appears you need access to at least one of the data fields, so this is a good use of csv. > url = "http://bitcoincharts.co

Re: suggestions for improving code fragment please

2013-02-28 Thread Rick Johnson
On Thursday, February 28, 2013 1:47:12 PM UTC-6, The Night Tripper wrote: > I'm being very dumb ... how can I simplify this fragment? > > if arglist: > arglist.pop(0) > if arglist: > self.myparm1 = arglist.pop(0) > if arglist: >

Re: suggestions for improving code fragment please

2013-02-28 Thread Joel Goldstick
On Thu, Feb 28, 2013 at 2:47 PM, The Night Tripper wrote: > Hi there > I'm being very dumb ... how can I simplify this fragment? > i = 0 while arglist: self.myparm[i] = arglist.pop(0) i += 1 > if arglist: > arglist.pop(0) > if arglist: >

Re: suggestions for improving code fragment please

2013-02-28 Thread Ian Kelly
On Thu, Feb 28, 2013 at 12:47 PM, The Night Tripper wrote: > Hi there > I'm being very dumb ... how can I simplify this fragment? > > > if arglist: > arglist.pop(0) > if arglist: > self.myparm1 = arglist.pop(0) > if arglist: >

Re: Read csv file and create a new file

2013-02-28 Thread io
I'm a noob in python but my code looks like this : import json import urllib import csv url = "http://bitcoincharts.com/t/markets.json"; response = urllib.urlopen(url); data = json.loads(response.read()) f = open("/home/io/markets.csv","wb") c = csv.writer(f) #apre un file di testo e legge il

suggestions for improving code fragment please

2013-02-28 Thread The Night Tripper
Hi there I'm being very dumb ... how can I simplify this fragment? if arglist: arglist.pop(0) if arglist: self.myparm1 = arglist.pop(0) if arglist: self.myparm2 = arglist.pop(0) if arglist:

Re: Read csv file and create a new file

2013-02-28 Thread Dave Angel
On 02/28/2013 02:14 PM, io wrote: Hi, i have to files. First file is a csv file Second file is a plain text file where each row has a value (text) I want to be able to create a third file using data from the first file excluding the values listed in the second file. Example: First file:

Re: Read csv file and create a new file

2013-02-28 Thread Neil Cerutti
On 2013-02-28, io wrote: > Hi, > > i have to files. > > First file is a csv file > Second file is a plain text file where each row has a value (text) > > I want to be able to create a third file using data from the first file > excluding the values listed in the second file. > > Example: > > Fir

Re: Read csv file and create a new file

2013-02-28 Thread Joel Goldstick
On Thu, Feb 28, 2013 at 2:14 PM, io wrote: > Hi, > > i have to files. > > First file is a csv file > Second file is a plain text file where each row has a value (text) > Read the second file so that you have a list of each of its values Read the first file line by line. Check if the value at t

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread John Gordon
In Morten Engvoldsen writes: > But, if i save the serial_ number value in file, then how will it decide > to reset the serial number to '1' when the batch runs on next working day. Name the file so that it contains the date, i.e. "serial_numbers.2013-02-28". If the file exists, you know tha

Read csv file and create a new file

2013-02-28 Thread io
Hi, i have to files. First file is a csv file Second file is a plain text file where each row has a value (text) I want to be able to create a third file using data from the first file excluding the values listed in the second file. Example: First file: --- mtgoxeur12 2

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Rick Johnson
On Thursday, February 28, 2013 10:31:58 AM UTC-6, Morten Engvoldsen wrote: > [...] > So if the batch has 10 records and last serial number of > first batch is 10, then when the batch runs second time in > the same day, how the 'serial_number' will get the value > of 10 and then continue the serial

Re: Import web content to csv only if values are different from those of an excel sheet

2013-02-28 Thread Joel Goldstick
On Thu, Feb 28, 2013 at 12:25 PM, io wrote: > Hi, > > i have the following python script that reads json data from a website > and writes it in a csv file that i will then import to excel. (i have > just started since a week with py so i'm a noob!) : >

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Matt Jones
Store the day as well as the serial_number in your file. If the day is the same as today's day, use the serial_number, if not, use 1. At the end of you program write the current day and serial_number. *Matt Jones* On Thu, Feb 28, 2013 at 1:00 PM, Morten Engvoldsen wrote: > Hi, > thanks for yo

Re: Nuitka now supports Python 3.2

2013-02-28 Thread Stefan Behnel
Steven D'Aprano, 28.02.2013 14:23: > On Thu, 28 Feb 2013 08:07:55 +0100, Stefan Behnel wrote: > >> Steven D'Aprano, 26.02.2013 13:18: >>> Nuitka is an implementation of Python written in C++. At the moment it >>> is claimed to be about 2.5 times as fast as CPython running the pystone >>> benchmark

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Morten Engvoldsen
Hi, thanks for youe suggestion. I think i will go for your second option: # Runs this loop until killed while True serial_number = salesrecord(serial_number) But, if i save the serial_ number value in file, then how will it decide to reset the serial number to '1' when the batch runs on next

Re: Breaking into descriptors

2013-02-28 Thread Demian Brecht
On Thu, Feb 28, 2013 at 10:01 AM, Dave Angel wrote: > It halts (breaks) for me, in Python 2.7.3 on Linux Okay, now I'm just confused. I ran this in terminal on OSX with both 2.7.3 and 3.4(dev) and both were exhibiting the same behaviour. I've since closed the terminal and upon trying it in a new

Re: Do you feel bad because of the Python docs?

2013-02-28 Thread Rick Johnson
On Wednesday, February 27, 2013 11:57:05 PM UTC-6, alex23 wrote: > On Feb 28, 2:53 pm, Rick Johnson wrote: > > On Wednesday, February 27, 2013 10:18:46 PM UTC-6, alex23 wrote: > [...] > * Do you care about the evolution of Python or just give > it lip service? > > I don't see any problems with ho

Re: Python newbie trying to embed in C++

2013-02-28 Thread Michael Torrie
On 02/28/2013 03:47 AM, Gisle Vanem wrote: > I saw you uses Thunderbird on Windows. I'm not sure how it by default handles > a reply-to when there is no "Reply-to" field in the header. To the address in > "From" / "Sender" or what? Thunderbird has a handy, "reply to list" button that works every

Re: Breaking into descriptors

2013-02-28 Thread Dave Angel
On 02/28/2013 12:24 PM, Demian Brecht wrote: class MyDescriptor(object): def __init__(self): self.foo = 'bar' def __get__(self, obj, type_): import pdb; pdb.set_trace() return self.do_something() def __set__(self, obj, val): self.foo = val cla

Re: Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Vytas D.
Hi, If you want to have one program running forever and printing sales_records, you would do (one of the possibilities) something like this: def salesrecord(serial_number): for i in salesrecord: print first_sales_record serial_number += 1 print serial_number return

Re: Speeding up Python's exit

2013-02-28 Thread Devin Jeanpierre
On Thu, Feb 28, 2013 at 12:06 PM, Chris Angelico wrote: > Is it any different if you create a deliberate reference loop and then > stuff it into some module somewhere? That would force it to be kept > until interpreter shutdown, and then a cyclic garbage collection after > that, which quite probab

Re: Speeding up Python's exit

2013-02-28 Thread Devin Jeanpierre
On Thu, Feb 28, 2013 at 12:31 PM, Devin Jeanpierre wrote: > On Thu, Feb 28, 2013 at 12:06 PM, Chris Angelico wrote: >> Is it any different if you create a deliberate reference loop and then >> stuff it into some module somewhere? That would force it to be kept >> until interpreter shutdown, and t

Re: Speeding up Python's exit

2013-02-28 Thread Chris Angelico
On Fri, Mar 1, 2013 at 4:31 AM, Devin Jeanpierre wrote: > On Thu, Feb 28, 2013 at 12:06 PM, Chris Angelico wrote: >> Is it any different if you create a deliberate reference loop and then >> stuff it into some module somewhere? That would force it to be kept >> until interpreter shutdown, and the

[ANN] PyLint 0.27 / logilab-astng 0.24.2

2013-02-28 Thread Sylvain Thénault
Hi there, I'm very pleased to announce the release of pylint 0.27 [1] and logilab-astng 0.24.2 [2] . There has been a lot of enhancements and bug fixes since the latest release, so you're strongly encouraged to upgrade. See ChangeLog for details. Many thanks to all the people who contributed to t

Import web content to csv only if values are different from those of an excel sheet

2013-02-28 Thread io
Hi, i have the following python script that reads json data from a website and writes it in a csv file that i will then import to excel. (i have just started since a week with py so i'm a noob!) : --- import json import urllib import csv url

Largest possible size for executemany() in PEP-249 (Database API)

2013-02-28 Thread Roy Smith
I'm trying to batch up inserts to a database using MySQLdb. When I get to something over 10,000 records per call, I get an exception: _mysql_exceptions.OperationalError: (1153, "Got a packet bigger than 'max_allowed_packet' bytes") Is there any way (other than trial and error) to know how many r

Re: Speeding up Python's exit

2013-02-28 Thread Neil Cerutti
On 2013-02-28, Steven D'Aprano wrote: > Can anyone explain why this was so painfully slow, and what (if > anything) I can do to avoid it in the future? I think your explanation makes sense. Maybe the nested nature of the strings was causing it to churn looking for circular references? Disabling

Speeding up Python's exit

2013-02-28 Thread Steven D'Aprano
I just quit an interactive session using Python 2.7 on Linux. It took in excess of twelve minutes to exit, with the load average going well past 9 for much of that time. I think the reason it took so long was that Python was garbage-collecting a giant dict with 10 million entries, each one cont

Issue with continous incrementing of unbroken sequence for a entire working day

2013-02-28 Thread Morten Engvoldsen
Hi team, I need to run a batch of sales records and the batch has serial_number filed to store the serial number of the sales record. The serial number should be set to 1 everyday when the batch runs first time in a day and the maximum serial number could be 1000. So when the batch runs first ti

سعر بلاك بيرى blackberry z10- z10

2013-02-28 Thread 23alagmy
سعر بلاك بيرى blackberry z10- z10 http://natigtas7ab.blogspot.com/2013/02/z10-blackberry-z10_23.html -- http://mail.python.org/mailman/listinfo/python-list

Re: raw format string in string format method?

2013-02-28 Thread Peter Otten
Helmut Jarausch wrote: > I'd like to print a string with the string format method which uses > {0}, ... > > Unfortunately, the string contains TeX commands which use lots of > braces. Therefore I would have to double all these braces just for the > format method which makes the string hardly read

Re: raw format string in string format method?

2013-02-28 Thread Chris Angelico
On Fri, Mar 1, 2013 at 1:42 AM, Helmut Jarausch wrote: > On Fri, 01 Mar 2013 01:22:48 +1100, Chris Angelico wrote: > >> On Fri, Mar 1, 2013 at 1:11 AM, Helmut Jarausch >> wrote: >>> Hi, >>> >>> I'd like to print a string with the string format method which uses >>> {0}, ... >>> >>> Unfortunately,

Re: raw format string in string format method?

2013-02-28 Thread Helmut Jarausch
On Fri, 01 Mar 2013 01:22:48 +1100, Chris Angelico wrote: > On Fri, Mar 1, 2013 at 1:11 AM, Helmut Jarausch > wrote: >> Hi, >> >> I'd like to print a string with the string format method which uses >> {0}, ... >> >> Unfortunately, the string contains TeX commands which use lots of >> braces. Ther

Re: raw format string in string format method?

2013-02-28 Thread Chris Angelico
On Fri, Mar 1, 2013 at 1:11 AM, Helmut Jarausch wrote: > Hi, > > I'd like to print a string with the string format method which uses > {0}, ... > > Unfortunately, the string contains TeX commands which use lots of > braces. Therefore I would have to double all these braces just for the > format me

raw format string in string format method?

2013-02-28 Thread Helmut Jarausch
Hi, I'd like to print a string with the string format method which uses {0}, ... Unfortunately, the string contains TeX commands which use lots of braces. Therefore I would have to double all these braces just for the format method which makes the string hardly readable. Is there anything like a

Re: Nuitka now supports Python 3.2

2013-02-28 Thread Steven D'Aprano
On Thu, 28 Feb 2013 08:07:55 +0100, Stefan Behnel wrote: > Steven D'Aprano, 26.02.2013 13:18: >> Nuitka is an implementation of Python written in C++. At the moment it >> is claimed to be about 2.5 times as fast as CPython running the pystone >> benchmark. > > Could we please get to the habit of

Re: mp3

2013-02-28 Thread fabriceS
Le 28/02/2013 01:07, alex23 a écrit : On Feb 28, 7:58 am, fabriceS wrote: Is anybody know how to get the lenght (in seconds) of a mp3 file ? Try eyeD3: https://pypi.python.org/pypi/eyeD3 >>> import eyed3 >>> mp3 = eyed3.load(r'pygame\examples\data\house_lo.mp3') >>> mp3.info.t

Re: Python newbie trying to embed in C++

2013-02-28 Thread Gisle Vanem
"Marwan Badawi" wrote: I just noticed that my reply went to the message sender and not to the newsgroup, so I'm posting again: thanks, I'll look into that. Yes, I often do that too; i.e. I'm subscribed to python-list@python.org and get all messages from comp.lang.python mirrored to the ML a b

Re: Project Based python tutorials

2013-02-28 Thread Jean-Michel Pichavant
- Original Message - > On Wednesday, February 27, 2013 2:31:11 AM UTC-6, Alvin Ghouas wrote: > > > So, I desided to start learning programming a few months > > ago and by now i feel pretty confident about the basics of > > the python language, and programming in general. > > Variables, l

Re: Python newbie trying to embed in C++

2013-02-28 Thread Marwan Badawi
On 27/02/2013 16:17, Christian Gollwitzer wrote: Am 27.02.13 09:51, schrieb Marwan: And I'd appreciate it if you could give me pointers to how to easily call Python from C++. Maybe you can use boost::python? http://www.boost.org/doc/libs/1_53_0/libs/python/doc/ Cave: I haven't used it and do

Re: Python newbie trying to embed in C++

2013-02-28 Thread Marwan Badawi
On 27/02/2013 10:26, Ian Kelly wrote: On Wed, Feb 27, 2013 at 1:51 AM, Marwan wrote: When I run the generated exe, I get errors about the functions not existing... TestPython.exe test Hello AttributeError: 'module' object has no attribute 'Hello' Cannot find function "Hello" "test" is the na

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