[Tutor] comparing almost equal strings
Hi, I need a function that groups almost equal strings. It seems most easy to me, to do this with a hash function. So I would write a hash function like this: string = string.replace( , ).lower()[0:6] and then hash the string chars, but it should detect minor typo's, so words with one different char in the 6 chars, should have the same hash. I think I once read something about it, but I can't find it, does somebody know how to do this? Also do you think this is a good way, or do some of you have experience with this and know a better way? Thanks ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] same output on diferent sys.stdout.encodings
On Wed, 07 Feb 2007 17:30:26 + Paulino [EMAIL PROTECTED] wrote: Hi everyone! I have some strings that include special characters, to be displayed in widget labels ( PyQt4 ). The output changes in diferent OS's due to diferent sys.stdout encoding Not only the labels in the GUI change, but the source file strings are altered when I move from win to linux and vice-versa. The solution I found for now was to replace the special characters in the source file string for their representation: I replaced é (e acute ) by \xe9 wich correpsond to chr(233) in the cp1252 encoding. The character é (e acute) in linux is not recognized in the source file, neither in IDLE nor in Kate My win sys.stdout.encoding is cp850 and the linux one is utf-8 Now I have d\xe9bito instead of débito (debit in portuguese). By passing the string through unicode with the convinient encoding, I ensure the labels are exibithed the same in every OS but, this way the code is not very readable. Is there a way of solving this, keeping the more readable? ___ Have you tried to declare the encoding in use at the top of your Python source file, like: # -*- coding: iso-8859-1 -*- If you put this at the first line of your .py files (of course replace iso-8859-1 with whatever encoding you use) I think this should do the trick. I hope this helps Michael ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] resetting the python interpreter through manipulating globals()
Hi, I have a program that talks to a python interpreter through pexpect (don't bother asking why ;). What I would like to do is occasionally reset the interpreter to the state it would be in if it had just been launched. I assumed I could simply clear out the globals() dictionary, minus '__builtins__' and some other important stuff, and recreate the globals. But even a simple attempt has failed quite badly: def reset_interpreter(): rThis method will reset a python interpreters globals dictionary with the one provided as the input parameter. # This will just try to delete all non important keys in globals for k in globals().keys(): print k if k == '__builtins__': continue else: try: del globals()[k] del locals()[k] except: continue print globals() This does not seem to work at all, any suggestions? Yi ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Program Control
I am learning Python and have written several small programs of increasing complexity but so far they are all linear programs meaning that they are meant to do one thing. I have yet to fully understand program control in order to go to and return form modules (I think this is the correct term). In other words, I have a menu which offers several options, I would like to be able to combine several of my programs into seperate modules and put in one larger program. Then the user could select a menu item, be sent to a module and return to the menu for another selection. Can someone show me how to do module or program control to accomplish the basic example below: Main Menu Select 1 for subtraction Select 2 for addition Select 3 to quit *** Subtraction module: Enter a number Enter a second number Answer =Number1-Number2 Menu: Select 1 to return to main menu Select 2 to subract again Addition module: Enter a number Enter a second number Answer = Number1+Number2 Menu Select 1 to return to main menu Select 2 to add again ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] comparing almost equal strings
thomas coopman schrieb: I need a function that groups almost equal strings. It seems most easy to me, to do this with a hash function. What do you mean be almost equal? By which criterium? Spelling, Pronounciation? Semantics? I think I once read something about it, but I can't find it, does somebody know how to do this? Maybe you mean the soundex algorithm? See, for example, here: http://diveintopython.org/performance_tuning/index.html Chris ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Range of float value
Hi all, I have a value that ranges between 48.01 and 48.57. a Float value in other words. I want to look at changes in the value. If my normal range is between 48.35 and 48.45, how will I identify the value below 48.35 and above 48.45? Something I tried was: for a in range(48.35, 48.45): print a It gives me a value of 100. Is it possible to get a range of a float value? Thanks Johan -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.432 / Virus Database: 268.17.30/674 - Release Date: 2007/02/07 03:33 PM ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Program Control
[EMAIL PROTECTED] wrote: I am learning Python and have written several small programs of increasing complexity but so far they are all linear programs meaning that they are meant to do one thing. I have yet to fully understand program control in order to go to and return form modules (I think this is the correct term). In other words, I have a menu which offers several options, I would like to be able to combine several of my programs into seperate modules and put in one larger program. See for example Modules and Functions in http://www.freenetpages.co.uk/hp/alan.gauld/ http://swaroopch.info/text/Byte_of_Python:Modules#Making_your_own_modules http://docs.python.org/tut/node8.html Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] same output on diferent sys.stdout.encodings
Paulino wrote: Hi everyone! I have some strings that include special characters, to be displayed in widget labels ( PyQt4 ). The output changes in diferent OS's due to diferent sys.stdout encoding Not only the labels in the GUI change, but the source file strings are altered when I move from win to linux and vice-versa. The solution I found for now was to replace the special characters in the source file string for their representation: I replaced é (e acute ) by \xe9 wich correpsond to chr(233) in the cp1252 encoding. The character é (e acute) in linux is not recognized in the source file, neither in IDLE nor in Kate My win sys.stdout.encoding is cp850 and the linux one is utf-8 Now I have d\xe9bito instead of débito (debit in portuguese). By passing the string through unicode with the convinient encoding, I ensure the labels are exibithed the same in every OS but, this way the code is not very readable. Is there a way of solving this, keeping the more readable? I think the problem you are having is with the source code encoding, not sys.stdout.encoding. Probably your editor on linux expects a different file encoding than what you are using in Windows. Your windows editor is probably using cp1252; perhaps the linux editor expects utf-8. You need to get the editors to agree on the source code encoding. Then put the coding declaration at the top of the file as Michael suggested. Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Program Control
Maybe I'm asking the wrong question. This appears that a module is a external program. What I've seen on some programs but don't fully understand is something of the sort: def main() and a def sub() and def add(). It appears that the program has calls to each of these sections. The term module may be incorrect here. I would like to have all of my code in one program but be able to call sections of code and return from them to the main app. That's where I'm lost. On 2/8/07, Kent Johnson [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote: I am learning Python and have written several small programs of increasing complexity but so far they are all linear programs meaning that they are meant to do one thing. I have yet to fully understand program control in order to go to and return form modules (I think this is the correct term). In other words, I have a menu which offers several options, I would like to be able to combine several of my programs into seperate modules and put in one larger program. See for example Modules and Functions in http://www.freenetpages.co.uk/hp/alan.gauld/ http://swaroopch.info/text/Byte_of_Python:Modules#Making_your_own_modules http://docs.python.org/tut/node8.html Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] same output on diferent sys.stdout.encodings
Yes I have that declaration in my script. Paulino Send Tutor mailing list submissions to tutor@python.org # -*- coding: iso-8859-1 -*- If you put this at the first line of your .py files (of course replace iso-8859-1 with whatever encoding you use) I think this should do the trick. I hope this helps Michael -- ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] same output on diferent sys.stdout.encodings
Yes that is the problem. But I canot control all the the encodings in every PC that the script is to be run... Paulino Kent Johnson escreveu: I think the problem you are having is with the source code encoding, not sys.stdout.encoding. Probably your editor on linux expects a different file encoding than what you are using in Windows. Your windows editor is probably using cp1252; perhaps the linux editor expects utf-8. You need to get the editors to agree on the source code encoding. Then put the coding declaration at the top of the file as Michael suggested. Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] same output on diferent sys.stdout.encodings
The Kate editor has also modelines, similar to the python interpreter: http://kate-editor.org/article/katepart_modelines HTH, Eike. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Program Control
[EMAIL PROTECTED] wrote: Maybe I'm asking the wrong question. This appears that a module is a external program. What I've seen on some programs but don't fully understand is something of the sort: def main() and a def sub() and def add(). It appears that the program has calls to each of these sections. The term module may be incorrect here. I would like to have all of my code in one program but be able to call sections of code and return from them to the main app. That's where I'm lost. Then it sounds like you need to learn about functions. The same tutorials, different sections. Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] same output on diferent sys.stdout.encodings
Paulino wrote: Yes that is the problem. But I canot control all the the encodings in every PC that the script is to be run... The problem is in your *editor* not in Python. You have to control the encoding the *editor* expects. At least that is my guess - your complaint is that you can't find a way to represent the character that displays correctly in editors on both platforms. In other words, if you have a Python file that includes characters in cp1252 and you open the file in an editor that expects utf-8, it will not display correctly. Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Range of float value
Kent Johnson wrote: Johan Geldenhuys wrote: Hi all, I have a value that ranges between 48.01 and 48.57. a Float value in other words. I want to look at changes in the value. If my normal range is between 48.35 and 48.45, how will I identify the value below 48.35 and above 48.45? Something I tried was: for a in range(48.35, 48.45): print a It gives me a value of 100. Is it possible to get a range of a float value? You can't generate all the float values in a range. (OK, you probably could, but it would not be practical or useful.) You can test for a value in a range, e.g. if 48.35 = a = 48.45: Kent: Why does this work? In C++ this would go from if (48.35 = a = 48.45) to (assuming the right condition is met) if (48.35 = true) because it evaluates these things right to left, doesn't it? does python treat chained comparisons differently than C++ or is C++ behaving differently than I think it does? Thanks for your help, -Luke ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Range of float value
Luke Paireepinart wrote: Kent Johnson wrote: You can't generate all the float values in a range. (OK, you probably could, but it would not be practical or useful.) You can test for a value in a range, e.g. if 48.35 = a = 48.45: Kent: Why does this work? It is explicitly supported in Python. See file:///C:/Python25/Doc/ref/comparisons.html which says, Comparisons can be chained arbitrarily, e.g., x y = z is equivalent to x y and y = z, except that y is evaluated only once (but in both cases z is not evaluated at all when x y is found to be false). Kent In C++ this would go from if (48.35 = a = 48.45) to (assuming the right condition is met) if (48.35 = true) because it evaluates these things right to left, doesn't it? does python treat chained comparisons differently than C++ or is C++ behaving differently than I think it does? Thanks for your help, -Luke ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Range of float value
2007/2/8, Johan Geldenhuys [EMAIL PROTECTED]: Hi all, I have a value that ranges between 48.01 and 48.57. a Float value in other words. I want to look at changes in the value. If my normal range is between 48.35 and 48.45, how will I identify the value below 48.35 and above 48.45 ? Something I tried was: for a in range(48.35, 48.45): print a It gives me a value of 100. Is it possible to get a range of a float value? It depends. What would you like it to be? All numbers in that range? They're uncountably infinite, so no way we could ever get that out of the computer. All actual float values? Depends too much on the implementation of the specific machine you're working on to be workable. Identifying values below 48.35 and above 48.45 is simply done by: if value 48.35 or value 48.45 then... No need to first create the range of values -- Andre Engels, [EMAIL PROTECTED] ICQ: 6260644 -- Skype: a_engels ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Range of float value
Kent Johnson wrote: Luke Paireepinart wrote: Kent Johnson wrote: You can't generate all the float values in a range. (OK, you probably could, but it would not be practical or useful.) You can test for a value in a range, e.g. if 48.35 = a = 48.45: Kent: Why does this work? It is explicitly supported in Python. See file:///C:/Python25/Doc/ref/comparisons.html Do you mean http://docs.python.org/ref/comparisons.html ? :) ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Range of float value
Luke Paireepinart wrote: Kent Johnson wrote: Luke Paireepinart wrote: Kent Johnson wrote: You can't generate all the float values in a range. (OK, you probably could, but it would not be practical or useful.) You can test for a value in a range, e.g. if 48.35 = a = 48.45: Kent: Why does this work? It is explicitly supported in Python. See file:///C:/Python25/Doc/ref/comparisons.html Do you mean http://docs.python.org/ref/comparisons.html ? Jeez. I try so hard to bust out of here and every turn I take just brings me back to file://. Now where did I put that internet, anyway? Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Range of float value
OK, this what I wanted: I have a value: a = 48.41 My lowValue is: lowValue = 48.35 My highValue is : highvalue = 48.45 if a = lowValue: print 'value below limit' if a = highValue: print value above limit' I though that it could be possible to have a range between 48.35 and 48.45 that could have a step of 0.1 This works fine with normal intgers: def lookAtRange(a): ... if a in range(40, 110, 10):#Would like to have: if a in range(48.35, 48.45, 0.1): ... print 'In limits' ... else: ... print 'Out of limits' ... lookAtRange(40) In limits lookAtRange(50) In limits lookAtRange(20) Out of limits lookAtRange(120) Out of limits Johan _ From: Andre Engels [mailto:[EMAIL PROTECTED] Sent: 08 February 2007 07:17 PM To: [EMAIL PROTECTED] Cc: tutor@python.org Subject: Re: [Tutor] Range of float value 2007/2/8, Johan Geldenhuys HYPERLINK mailto:[EMAIL PROTECTED][EMAIL PROTECTED]: Hi all, I have a value that ranges between 48.01 and 48.57. a Float value in other words. I want to look at changes in the value. If my normal range is between 48.35 and 48.45, how will I identify the value below 48.35 and above 48.45? Something I tried was: for a in range(48.35, 48.45): print a It gives me a value of 100. Is it possible to get a range of a float value? It depends. What would you like it to be? All numbers in that range? They're uncountably infinite, so no way we could ever get that out of the computer. All actual float values? Depends too much on the implementation of the specific machine you're working on to be workable. Identifying values below 48.35 and above 48.45 is simply done by: if value 48.35 or value 48.45 then... No need to first create the range of values -- Andre Engels, HYPERLINK mailto:[EMAIL PROTECTED][EMAIL PROTECTED] ICQ: 6260644 -- Skype: a_engels -- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.5.432 / Virus Database: 268.17.30/674 - Release Date: 2007/02/07 03:33 PM -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.432 / Virus Database: 268.17.30/674 - Release Date: 2007/02/07 03:33 PM ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Range of float value
Johan Geldenhuys wrote: OK, this what I wanted: I have a value: a = 48.41 My lowValue is: lowValue = 48.35 My highValue is : highvalue = 48.45 if a = lowValue: print 'value below limit' if a = highValue: print value above limit' I though that it could be possible to have a range between 48.35 and 48.45 that could have a step of 0.1 What is wrong with def lookAtRange(a): if lowValue = a = highValue: print 'In limits' ..etc ?? This works fine with normal intgers: * def lookAtRange(a): ... if a in range(40, 110, 10):*#Would like to have: if a in range(48.35, 48.45, 0.1): *... print 'In limits' ... else: ... print 'Out of limits' ... lookAtRange(40) In limits lookAtRange(50) In limits lookAtRange(20) Out of limits lookAtRange(120) Out of limits * Are you sure this is what you want? Have you tried lookAtRange(45) for example? The range function creates a list of integers: In [1]: range(40, 110, 10) Out[1]: [40, 50, 60, 70, 80, 90, 100] The 'in' operator tests for membership. 40 is in the list; 20 and 45 are not. I think even in the case of integers the range test with is what you want. Kent ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Debugging
Hey friendly users! I have a question considering debugging: is it possible to get the current code line that is being executed? Thanks in advance! Toon Pieton ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Debugging
On 09/02/07, Toon Pieton [EMAIL PROTECTED] wrote: Hey friendly users! I have a question considering debugging: is it possible to get the current code line that is being executed? Are you using pdb [the python debugger]? If you have a script 'myscript.py', you can start the script like this: python -m pdb myscript.py You can then set breakpoints and step through the code line-by-line using pdb. (brief summary: 'break module:line' -- set breakpoint, eg: 'break mymodule:23' 'r' -- run program 'n' -- move to next line 's' -- move to next line, or step into function call 'c' -- continue running until next breakpoint 'p' -- print; used to inspect variables, etc. ) Note that pdb has difficulties with multithreaded programs. -- John. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] file open error
Hey guys, I have this simple code and i cant seem to get it to run. here is the code. from os import * import re hostname =raw_input(Host name : ) or 'unknown' mac_addr =input(Mac address : ) filename='/etc/dhcpd.conf' fh=open(filename) m = re.match(hostname,fh.readlines()) if m!=None: m.group() Here is the error I get when i try to run the code monkeysee% python sys_wireless.py Host name : Mac address : 1234567 Traceback (most recent call last): File sys_wireless.py, line 8, in ? fh=open(/etc/dhcpd.conf,r) TypeError: an integer is required I dont know what the issue is? any hints ? ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] file open error
On 09/02/07, Jalil [EMAIL PROTECTED] wrote: Hi Jalil, Because you're doing this: from os import * It means that when you get to this line: fh=open(filename) You're actually calling os.open, which is lower-level than the standard open() and expects different arguments. Many people recommend not doing from .. import * if you can possibly avoid it because of this precise problem! -- John. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] file open error
On Thu, Feb 08, 2007, Jalil wrote: Hey guys, I have this simple code and i cant seem to get it to run. here is the code. from os import * import re hostname =raw_input(Host name : ) or 'unknown' mac_addr =input(Mac address : ) filename='/etc/dhcpd.conf' fh=open(filename) m = re.match(hostname,fh.readlines()) if m!=None: m.group() Here is the error I get when i try to run the code monkeysee% python sys_wireless.py Host name : Mac address : 1234567 Traceback (most recent call last): File sys_wireless.py, line 8, in ? fh=open(/etc/dhcpd.conf,r) TypeError: an integer is required I dont know what the issue is? any hints ? It appears to me that your ``from os import *'' is biting you in the butt as the os.open command is being executed instead of the normal open. Bill -- INTERNET: [EMAIL PROTECTED] Bill Campbell; Celestial Software LLC URL: http://www.celestial.com/ PO Box 820; 6641 E. Mercer Way FAX:(206) 232-9186 Mercer Island, WA 98040-0820; (206) 236-1676 ``Liberty don't work as good in practice as it does in speeches.'' Will Rogers ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Converting \x0e to string 0e in python
Hi, Currently i have data with the following type - Which is a x509 certificate obtained from SSL server done. I need this to be converted to normal string, so that i can use the load_certificate method of OpenSSL, which takes string as the argument. Kindly help me. cert= '\x00\x01\xa20\x82\x01\x9e0\x82\x01(\x02\x01\x000\r\x06\t*\x86H\x86\xf7\r\x01\x01\x04\x05\x000:1 \x120\x10\x06\x03U\x04\x03\x13\tConst2- 2.1$0\n\x06\x03U\x04\x05\x13\x0339B0\x16\x06\t*\x86H\x86\xf7\r \x01\t\x02\x16\tConst2- 2.0\x1e\x17\r070207210438Z\x17\r170204210438Z0:1\x120\x10\x06\x03U\x04\x03 \x13\tConst2- 2.1$0\n\x06\x03U\x04\x05\x13\x0339B0\x16\x06\t*\x86H\x86\xf7\r\x01\t\x02\x16\tConst2-2.0|0\r \x06\t*\x86H\x86\xf7\r\x01\x01\x01\x05\x00\x03k\x000h\x02a\x00\xc2\x99e2\xd0\xa5\xb67\x80iv.\x12I\x17 \xaa\xee9S\xdc\xee\xa1!\xb4\x94/\xf8\xe2\x0e%V\xdc\xa8%\x04\x03\x8dl\\\x8cJ\xec\x13\xd7\xe2\x96\x1b\xa8` \xdf$\xfe\xb9\x9a\xf9\xb7[\x8f\xe6\xc7U?l\x04D\xfc\xd7\x96\x99\x04\xb1\x8c\xcd\xc3[\x17\xba\xb2+g5L \x08~3B\xf9\x1dV\x1a\x84\x0eW\x94\x1f\x02\x03\x01\x00\x010\r\x06\t*\x86H\x86\xf7\r\x01\x01\x04\x05 [EMAIL PROTECTED]\xae\xc7\xf6l\xeam2\x8f[Z\xde\xd0\xbf\xd7\xd1/ [EMAIL PROTECTED] \x88\xce|v\xb2\xc35#\xc5\xa7\xec\xdca\x12\xd8*\xc3k\xf8\x911}!\x861\xe2;\xd7' -- Regards, Sudarshana K S ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
[Tutor] Property Question (Was: RE: Overloading assignment operator)
-Original Message- From: Tony Cappellini [mailto:[EMAIL PROTECTED] Sent: Thursday, February 08, 2007 5:41 PM To: Carroll, Barry Subject: re:Overloading assignment operator Hello Barry I'm trying to understand you post my question is, should this line result = property(get_result, set_result) actually be self.result = property(get_result, set_result) if result is an instance variable? Or did you intend it to be a class variable? Properties always confused me. thanks Overloading assignment operator Carroll, Barry Barry.Carroll at psc.com Wed Jan 24 00:32:34 CET 2007 Hello, Achim, * ...here is where * properties become useful. you can create a getter, setter, and even a * deleter and doc string if you want. here's how you use it... add the * following to your class: * def get_result(self): * return self.__result * * def set_result (self, expression): * self.__result = expression * * result = property(get_result, set_ result, doc='result of operations') * * - * I have tested this using the admittedly simple-minded code snipped below. @BCARROLL[Python]|3 class Aclass: |. def __init__(self): |. __result = None |. def get_result(self): |. return self.__result |. def set_result (self, result): |. self.__result = result |. result = property(get_result, set_result, doc='result of expression') |. @BCARROLL[Python]|5 a = Aclass() @BCARROLL[Python]|7 a.result = 2*3 @BCARROLL[Python]|8 a.result 8 6 @BCARROLL[Python]|9 a.result = 25.0 * 5.25 @BCARROLL[Python]|10 a.result 10 131.25 @BCARROLL[Python]|11 Hello, Tony: First off, it's always a good idea to respond to the mailing list instead of directly to an individual. Everyone benefits from the information instead of just one person. Besides, if I make a mistake (something I fo depressingly often) someone else on the list can correct it so you get the right info. Anyway, to your question: result vs self.result. Look at the interpreter session snippet above. The assignment to result is inside the class definition, so it is an attribute of Aclass. At this point Aclass.result is indeed a class variable. Or, perhaps more correctly, a class property. However, when a is set to Aclass(), an instance of Aclass is created and given the name a. a.result is therefore an instance variable. I never use the class variable Aclass.result. Does that help any? Regards, Barry [EMAIL PROTECTED] 541-302-1107 We who cut mere stones must always be envisioning cathedrals. -Quarry worker's creed ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Range of float value
On Thu, 8 Feb 2007, Johan Geldenhuys wrote: OK, this what I wanted: I have a value: a = 48.41 My lowValue is: lowValue = 48.35 My highValue is : highvalue = 48.45 Range does not work on floats: it's meant to work on integers. I though that it could be possible to have a range between 48.35 and 48.45 that could have a step of 0.1 There's an unsafe assumption here: in general, comparing floats for equality won't work unless you are very very careful. See: http://www.python.org/doc/tut/node16.html Because floats aren't directly comparable (at least under normal cases), that negates the idea of build a list of floats and comparing for equality against one of them. However, Kent mentioned a solution that should work better, a chained comparison: a = b = c which is true if b is squeezed between a and b. ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Converting \x0e to string 0e in python
Sudarshana KS wrote: Hi, Currently i have data with the following type - Which is a x509 certificate obtained from SSL server done. I need this to be converted to normal string, so that i can use the load_certificate method of OpenSSL, which takes string as the argument. The below data is a string. It contains lots of non-ascii values which are printed as \x escapes, but it is still a string. Have you tried passing it to load_certificate? What happened? Kent Kindly help me. cert= '\x00\x01\xa20\x82\x01\x9e0\x82\x01(\x02\x01\x000\r\x06\t*\x86H\x86\xf7\r\x01\x01\x04\x05\x000:1 \x120\x10\x06\x03U\x04\x03\x13\tConst2-2.1$0\n\x06\x03U\x04\x05\x13\x0339B0\x16\x06\t*\x86H\x86\xf7\r \x01\t\x02\x16\tConst2-2.0\x1e\x17\r070207210438Z\x17\r170204210438Z0:1\x120\x10\x06\x03U\x04\x03 \x13\tConst2-2.1$0\n\x06\x03U\x04\x05\x13\x0339B0\x16\x06\t*\x86H\x86\xf7\r\x01\t\x02\x16\tConst2-2.0|0\r \x06\t*\x86H\x86\xf7\r\x01\x01\x01\x05\x00\x03k\x000h\x02a\x00\xc2\x99e2\xd0\xa5\xb67\x80iv.\x12I\x17 \xaa\xee9S\xdc\xee\xa1!\xb4\x94/\xf8\xe2\x0e%V\xdc\xa8%\x04\x03\x8dl\\\x8cJ\xec\x13\xd7\xe2\x96\x1b\xa8` \xdf$\xfe\xb9\x9a\xf9\xb7[\x8f\xe6\xc7U?l\x04D\xfc\xd7\x96\x99\x04\xb1\x8c\xcd\xc3[\x17\xba\xb2+g5L \x08~3B\xf9\x1dV\x1a\x84\x0eW\x94\x1f\x02\x03\x01\x00\x010\r\x06\t*\x86H\x86\xf7\r\x01\x01\x04\x05 [EMAIL PROTECTED]\xae\xc7\xf6l\xeam2\x8f[Z\xde\xd0\xbf\xd7\xd1/ [EMAIL PROTECTED] \x88\xce|v\xb2\xc35#\xc5\xa7\xec\xdca\x12\xd8*\xc3k\xf8\x911}!\x861\xe2;\xd7' -- Regards, Sudarshana K S ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] comparing almost equal strings
Hi, On Thu, 08 Feb 2007 13:07:41 +0100 Christopher Arndt [EMAIL PROTECTED] wrote: thomas coopman schrieb: I need a function that groups almost equal strings. It seems most easy to me, to do this with a hash function. What do you mean be almost equal? By which criterium? Spelling, Pronounciation? Semantics? I think I once read something about it, but I can't find it, does somebody know how to do this? Maybe you mean the soundex algorithm? See, for example, here: http://diveintopython.org/performance_tuning/index.html This is what I was looking for! Chris ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor Thanks! Thomas ___ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
