Re: Path inherits from basestring again

2005-07-24 Thread Carl Banks
Reinhold Birkenfeld wrote: > Peter Hansen wrote: > > Reinhold Birkenfeld wrote: > >> One thing is still different, though: a Path instance won't compare to a > >> regular > >> string. > > > > Could you please expand on what this means? Are you referring to doing > > < and >= type operations on Pa

Re: Path inherits from basestring again

2005-07-27 Thread Jordan Rastrick
Personally, I *like* the current distinction between + as a regular string join, which gives the already much discussed benefit of allowing paths to be dropped in seamlessly and painlessly anywhere strings are currently used, and then having in addition the / operator for "concatenate with a path s

Re: Path inherits from basestring again

2005-07-29 Thread NickC
[Re: alternatives to overloading '/'] Is there a reason the Path constructor is limited to a single argument? If it allowed multiple arguments, the following would seem very straightforward: p = Path(somePath, user.getFolder(), 'archive', oldPath + ".bak") I'm usually not much of a purist, but C

Re: Path inherits from basestring again

2005-07-29 Thread NickC
[Re: how to get at the base class] Do you really want to have a "only works for Path" way to get at the base class, rather than using the canonical Path.__bases__[0]? How about a new property in the os.path module instead? Something like os.path.path_type. Then os.path.path_type is unicode if an

Re: Path inherits from basestring again

2005-07-29 Thread Peter Hansen
NickC wrote: > I'm usually not much of a purist, but C++ has convinced me that > overloading an operator to mean something entirely unrelated to its > mathematical meaning can be very unwise. Me too. In general. I've yet to overload a single operator that way in years of writing Python code, th

Re: Path inherits from basestring again

2005-07-30 Thread Reinhold Birkenfeld
NickC wrote: > [Re: alternatives to overloading '/'] > > Is there a reason the Path constructor is limited to a single argument? > If it allowed multiple arguments, the following would seem very > straightforward: > > p = Path(somePath, user.getFolder(), 'archive', oldPath + ".bak") That's a qui

Re: Path inherits from basestring again

2005-07-30 Thread Reinhold Birkenfeld
NickC wrote: > [Re: how to get at the base class] > > Do you really want to have a "only works for Path" way to get at the > base class, rather than using the canonical Path.__bases__[0]? > > How about a new property in the os.path module instead? Something like > os.path.path_type. > > Then os.

Re: Path inherits from basestring again

2005-07-30 Thread Michael Hoffman
Reinhold Birkenfeld wrote: > It's much the same as with @ decorators. Those who have used them much > don't object to the syntax any more. I do and I still think they are ugly. -- Michael Hoffman -- http://mail.python.org/mailman/listinfo/python-list

Re: Path inherits from basestring again

2005-07-30 Thread Reinhold Birkenfeld
Michael Hoffman wrote: > Reinhold Birkenfeld wrote: > >> It's much the same as with @ decorators. Those who have used them much >> don't object to the syntax any more. > > I do and I still think they are ugly. Shouldn't have generalized that. Add "most of" where you like. Reinhold -- http://ma

[path-PEP] Path inherits from basestring again

2005-07-23 Thread Reinhold Birkenfeld
Hi, the arguments in the previous thread were convincing enough, so I made the Path class inherit from str/unicode again. It still can be found in CVS: /python/nondist/sandbox/path/{path.py,test_path.py} One thing is still different, though: a Path instance won't compare to a regular string. O

Re: [path-PEP] Path inherits from basestring again

2005-07-23 Thread Peter Hansen
Reinhold Birkenfeld wrote: > One thing is still different, though: a Path instance won't compare to a > regular > string. Could you please expand on what this means? Are you referring to doing < and >= type operations on Paths and strings, or == and != or all those or something else entirely?

Re: [path-PEP] Path inherits from basestring again

2005-07-23 Thread Robert Kern
Peter Hansen wrote: > Under Linux isn't it possible to open and read from directories much as > with files? Not really, no. Python 2.3.4 (#2, Jan 5 2005, 08:24:51) [GCC 3.3.5 (Debian 1:3.3.5-5)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> d = open('/us

Re: [path-PEP] Path inherits from basestring again

2005-07-23 Thread Reinhold Birkenfeld
Peter Hansen wrote: > Reinhold Birkenfeld wrote: >> One thing is still different, though: a Path instance won't compare to a >> regular >> string. > > Could you please expand on what this means? Are you referring to doing > < and >= type operations on Paths and strings, or == and != or all thos

Re: [path-PEP] Path inherits from basestring again

2005-07-23 Thread Peter Hansen
Reinhold Birkenfeld wrote: > Peter Hansen wrote (on Paths not allowing comparison with strings): >>Could you please expand on what this means? Are you referring to doing >>< and >= type operations on Paths and strings, or == and != or all those >>or something else entirely? > > All of these. Do

Re: [path-PEP] Path inherits from basestring again

2005-07-23 Thread Mike Meyer
Peter Hansen <[EMAIL PROTECTED]> writes: >> * staticmethod Path.getcwd() -> Path.cwd() >> * bytes() / lines() / text() -> read_file_{bytes,lines,text} methods >> * write_{bytes,lines,text} -> write_file_{bytes,lines,text} methods > Under Linux isn't it possible to open and read from directories mu

Re: [path-PEP] Path inherits from basestring again

2005-07-23 Thread Reinhold Birkenfeld
Peter Hansen wrote: > Reinhold Birkenfeld wrote: >> Peter Hansen wrote (on Paths not allowing comparison with strings): >>>Could you please expand on what this means? Are you referring to doing >>>< and >= type operations on Paths and strings, or == and != or all those >>>or something else entir

Re: [path-PEP] Path inherits from basestring again

2005-07-23 Thread John Roth
"Reinhold Birkenfeld" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > > I'll look into it. What about iteration and indexing? Should it support > "for element in path" or "for char in path" or nothing? I frankly can't think of a use for iterating over the characters in the path, b

Re: [path-PEP] Path inherits from basestring again

2005-07-23 Thread Peter Hansen
Reinhold Birkenfeld wrote: [on comparing Paths and stings] > Do you have a use case for the comparison? Paths should be compared only > with other paths. I can think of lots, though I don't know that I've used any in my existing (somewhat limited) code that uses Path, but they all involve cases

Re: [path-PEP] Path inherits from basestring again

2005-07-23 Thread Steven D'Aprano
On Sat, 23 Jul 2005 17:51:31 -0600, John Roth wrote: > I also like to know the number of elements, which seems to make > sense as len(path). Again, the number of characters in the path seems > to be utterly useless information - at least, I can't imagine a use for > it. There are (were?) operatin

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Michael Hoffman
Peter Hansen wrote: > Point taken. What about ditching the "file" part, since it is redundant > and obvious that a file is in fact what is being accessed. Thus: > .read_bytes(), .read_text(), .write_lines() etc. +1. Although I've always been somewhat -0 on these methods to start with. -- Mic

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Reinhold Birkenfeld
Peter Hansen wrote: > Reinhold Birkenfeld wrote: > [on comparing Paths and stings] >> Do you have a use case for the comparison? Paths should be compared only >> with other paths. > > I can think of lots, though I don't know that I've used any in my > existing (somewhat limited) code that uses Pa

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Reinhold Birkenfeld
Reinhold Birkenfeld wrote: > Hi, > > the arguments in the previous thread were convincing enough, so I made the > Path class inherit from str/unicode again. Further changes by now: * subdirs() is now dirs(). * fixed compare behaviour for unicode base (unicode has no rich compare) * __iter__() it

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Michael Hoffman
Reinhold Birkenfeld wrote: > * __iter__() iterates over the parts(). > * the following methods raise NotImplemented: > capitalize, expandtabs, join, splitlines, title, zfill Why? They *are* implemented. I do not understand this desire to wantonly break basestring compatiblity for the sake of b

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Ivan Van Laningham
Hi All-- Reinhold Birkenfeld wrote: > > Reinhold Birkenfeld wrote: > > Hi, > > > > the arguments in the previous thread were convincing enough, so I made the > > Path class inherit from str/unicode again. > Thanks. > * the following methods raise NotImplemented: > capitalize, expandtabs, joi

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Reinhold Birkenfeld
Michael Hoffman wrote: > Reinhold Birkenfeld wrote: > >> * __iter__() iterates over the parts(). >> * the following methods raise NotImplemented: >> capitalize, expandtabs, join, splitlines, title, zfill > > Why? They *are* implemented. I do not understand this desire to wantonly > break bases

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Peter Hansen
Reinhold Birkenfeld wrote: > Peter Hansen wrote: >> if mypath.splitpath()[0] == 'c:/temp': vs. >> if mypath.splitpath()[0] == Path('c:/temp'): > > But you must admit that that't the cleaner solution. "Cleaner"? Not at all. I'd say it's the more expressive solution, perhaps, but I definit

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Mike Meyer
Steven D'Aprano <[EMAIL PROTECTED]> writes: > On Sat, 23 Jul 2005 17:51:31 -0600, John Roth wrote: > >> I also like to know the number of elements, which seems to make >> sense as len(path). Again, the number of characters in the path seems >> to be utterly useless information - at least, I can't

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Reinhold Birkenfeld
Peter Hansen wrote: > Reinhold Birkenfeld wrote: >> Peter Hansen wrote: >>> if mypath.splitpath()[0] == 'c:/temp': > > vs. > >>> if mypath.splitpath()[0] == Path('c:/temp'): >> >> But you must admit that that't the cleaner solution. > > "Cleaner"? Not at all. I'd say it's the more express

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Michael Hoffman
Reinhold Birkenfeld wrote: > I'm in no way the last instance on this. > For example, everyone with CVS access is free to change the files ;) I don't have CVS write access :(, so I'll have to keep kibitzing for now. > Honestly, I'm in constant fear that allowing too much and loading too much > fe

Re: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Andrew Dalke
Reinhold Birkenfeld wrote: > Okay. While a path has its clear use cases and those don't need above methods, > it may be that some brain-dead functions needs them. "brain-dead"? Consider this code, which I think is not atypical. import sys def _read_file(filename): if filename == "-": # Ca

RE: [path-PEP] Path inherits from basestring again

2005-07-24 Thread Tony Meyer
[...] > Open issues: [...] > What about path * 4? If you keep the current join meaning of __div__, then assigning any sort of multiplication meaning to __mul__ would not be a good idea, IMO. It's natural to expect that __div__ and __mul__ are opposites. I suppose this means that you could make _

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Reinhold Birkenfeld
Tony Meyer wrote: > [...] >> Open issues: > [...] >> What about path * 4? > > If you keep the current join meaning of __div__, then assigning any sort of > multiplication meaning to __mul__ would not be a good idea, IMO. It's > natural to expect that __div__ and __mul__ are opposites. I suppose

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Reinhold Birkenfeld
Andrew Dalke wrote: > Reinhold Birkenfeld wrote: >> Okay. While a path has its clear use cases and those don't need above >> methods, >> it may be that some brain-dead functions needs them. > > "brain-dead"? > > Consider this code, which I think is not atypical. Okay, convinced. Reinhold -- h

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Reinhold Birkenfeld
Reinhold Birkenfeld wrote: > Hi, > > the arguments in the previous thread were convincing enough, so I made the > Path class inherit from str/unicode again. Current change: * Add base() method for converting to str/unicode. * Allow compare against normal strings. Reinhold -- http://mail.python

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Michael Hoffman
Reinhold Birkenfeld wrote: > * Add base() method for converting to str/unicode. +1 -- Michael Hoffman -- http://mail.python.org/mailman/listinfo/python-list

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Michael Hoffman
Reinhold Birkenfeld wrote: > Tony Meyer wrote: >>Do people really like using __div__ to mean join? On the python-dev >>discussion, Just van Rossum spoke out against it, but there weren't (IIRC) >>any other comments, either pro or con. > > I'm not too happy with it, too, but do we have alternativ

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Stefan Rank
on 25.07.2005 10:44 Michael Hoffman said the following: > Reinhold Birkenfeld wrote: >>Tony Meyer wrote: >>>Do people really like using __div__ to mean join? >>Of course, one can use joinwith() if he doesn't like '/'. > Personally, I'm -0 on __div__, but I suppose if anyone here claimed to > have

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Reinhold Birkenfeld
Stefan Rank wrote: > on 25.07.2005 10:44 Michael Hoffman said the following: >> Reinhold Birkenfeld wrote: >>>Tony Meyer wrote: Do people really like using __div__ to mean join? >>>Of course, one can use joinwith() if he doesn't like '/'. >> Personally, I'm -0 on __div__, but I suppose if anyon

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Peter Hansen
Michael Hoffman wrote: > Reinhold Birkenfeld wrote: >> Tony Meyer wrote: >>> Do people really like using __div__ to mean join? >> >> I'm not too happy with it, too, but do we have alternatives? ... >> Of course, one can use joinwith() if he doesn't like '/'. > > I've used the path module pretty

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Peter Hansen
Reinhold Birkenfeld wrote: > Current change: > > * Add base() method for converting to str/unicode. Would basestring() be a better name? Partly because that seems to be exactly what it's doing, but more because there are (or used to be?) other things in Path that used the word "base", such as

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Reinhold Birkenfeld
Peter Hansen wrote: > Reinhold Birkenfeld wrote: >> Current change: >> >> * Add base() method for converting to str/unicode. > > Would basestring() be a better name? Partly because that seems to be > exactly what it's doing, but more because there are (or used to be?) > other things in Path th

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Peter Hansen
Reinhold Birkenfeld wrote: > Peter Hansen wrote: >> Would basestring() be a better name? > "tobase"? > "tostring"? > "tobasestring"? Of these choices, the latter would be preferable. > Alternative is to set a class attribute "Base" of the > Path class. Or export PathBase as a name from th

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Reinhold Birkenfeld
Peter Hansen wrote: > Reinhold Birkenfeld wrote: > > Peter Hansen wrote: > >> Would basestring() be a better name? > > > "tobase"? > > "tostring"? > > "tobasestring"? > > Of these choices, the latter would be preferable. > > > Alternative is to set a class attribute "Base" of the > > Path

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread skip
Reinhold> Right, that was a concern of mine, too. Reinhold> "tobase"? Reinhold> "tostring"? Reinhold> "tobasestring"? If we're on a filesystem that understands unicode, would somepath.tostring() return a unicode object or a string object encoded with some to-be-determined encoding

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Reinhold Birkenfeld
[EMAIL PROTECTED] wrote: > Reinhold> Right, that was a concern of mine, too. > Reinhold> "tobase"? > Reinhold> "tostring"? > Reinhold> "tobasestring"? > > If we're on a filesystem that understands unicode, would somepath.tostring() > return a unicode object or a string object encod

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Andrew Dalke
> Reinhold Birkenfeld wrote: >> Current change: >> >> * Add base() method for converting to str/unicode. Now that [:] slicing works, and returns a string, another way to convert from path.Path to str/unicode is path[:] Andrew [EMAIL

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Bengt Richter
On Mon, 25 Jul 2005 11:19:25 -0400, Peter Hansen <[EMAIL PROTECTED]> wrote: >Michael Hoffman wrote: >> Reinhold Birkenfeld wrote: >>> Tony Meyer wrote: Do people really like using __div__ to mean join? >>> >>> I'm not too happy with it, too, but do we have alternatives? ... >>> Of course, o

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Bengt Richter
On Mon, 25 Jul 2005 17:33:51 +0200, Reinhold Birkenfeld <[EMAIL PROTECTED]> wrote: >Peter Hansen wrote: >> Reinhold Birkenfeld wrote: >>> Current change: >>> >>> * Add base() method for converting to str/unicode. >> >> Would basestring() be a better name? Partly because that seems to be >> ex

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Reinhold Birkenfeld
Bengt Richter wrote: > BTW, more OT, wouldn't '|' be more platform-neutral as the joining operator? I, on the other hand, would certainly prefer U+01C1. Reinhold -- http://mail.python.org/mailman/listinfo/python-list

Re: [path-PEP] Path inherits from basestring again

2005-07-25 Thread Ron Adam
Peter Hansen wrote: > Michael Hoffman wrote: > >> Reinhold Birkenfeld wrote: >> >>> Tony Meyer wrote: >>> Do people really like using __div__ to mean join? >>> >>> >>> I'm not too happy with it, too, but do we have alternatives? ... >>> Of course, one can use joinwith() if he doesn't like '

Re: [path-PEP] Path inherits from basestring again

2005-07-26 Thread Peter Hansen
Ron Adam wrote: Tony Meyer wrote: > Do people really like using __div__ to mean join? > I think the '+' is used as a join for both strings and lists, so it > would probably be the better choice as far as consistency with the > language is concerned. The issue with that is that as lon

RE: [path-PEP] Path inherits from basestring again

2005-07-26 Thread Tim Golden
[Peter Hansen] | | Ron Adam wrote: | Tony Meyer wrote: | > Do people really like using __div__ to mean join? | | > I think the '+' is used as a join for both strings and lists, so it | > would probably be the better choice as far as consistency with the | > language is concerned. |

RE: [path-PEP] Path inherits from basestring again

2005-07-26 Thread Meyer, Tony
[using __div__ to mean join] > I think the '+' is used as a join for both strings > and lists, so it would probably be the better choice > as far as consistency with the language is concerned. +1. =Tony.Meyer -- http://mail.python.org/mailman/listinfo/python-list

RE: [path-PEP] Path inherits from basestring again

2005-07-26 Thread Meyer, Tony
>>> Do people really like using __div__ to mean join? >> >> I think the '+' is used as a join for both strings and lists, so it >> would probably be the better choice as far as consistency with the >> language is concerned. > > The issue with that is that as long as we are subclassing > strings

Re: [path-PEP] Path inherits from basestring again

2005-07-26 Thread Toby Dickenson
On Wednesday 27 July 2005 05:37, Meyer, Tony wrote: > I can see that this would make sense in some situations, but ISTM that it > would make a great deal more sense (and be much more intuitive) to have > concatenation include the separator character (i.e. be join). def functions_which_modifies_

Re: [path-PEP] Path inherits from basestring again

2005-07-27 Thread Ron Adam
Toby Dickenson wrote: > On Wednesday 27 July 2005 05:37, Meyer, Tony wrote: > > >>I can see that this would make sense in some situations, but ISTM that it >>would make a great deal more sense (and be much more intuitive) to have >>concatenation include the separator character (i.e. be join). >

Re: [path-PEP] Path inherits from basestring again

2005-07-27 Thread Michael Hoffman
Ron Adam wrote: > In all current cases, (that I know of), of differing types, '+' raises > an error. Not quite: >>> "hello " + u"world" u'hello world' >>> 4.5 + 5 9.5 > Question: Is a path object mutable? No. This should answer the rest of your questions. -- Michael Hoffman -- http://ma

Re: [path-PEP] Path inherits from basestring again

2005-07-27 Thread Ron Adam
Michael Hoffman wrote: > Ron Adam wrote: > >> In all current cases, (that I know of), of differing types, '+' raises >> an error. > > > Not quite: > > >>> "hello " + u"world" > u'hello world' > >>> 4.5 + 5 > 9.5 > >> Question: Is a path object mutable? > > > No. > > This should answer t

Re: [path-PEP] Path inherits from basestring again

2005-07-27 Thread Peter Hansen
Ron Adam wrote: > Michael Hoffman wrote: >> Ron Adam wrote: >>> In all current cases, (that I know of), of differing types, '+' >>> raises an error. >> >> Not quite: >> >>> "hello " + u"world" >> u'hello world' >> >>> 4.5 + 5 >> 9.5 >> > In the case of numeric types, it's an addition and not a j

Re: [path-PEP] Path inherits from basestring again

2005-07-27 Thread Ron Adam
Peter Hansen wrote: > Ron Adam wrote: > >> Michael Hoffman wrote: >> >>> Ron Adam wrote: >>> In all current cases, (that I know of), of differing types, '+' raises an error. >>> >>> >>> Not quite: >>> >>> "hello " + u"world" >>> u'hello world' >>> >>> 4.5 + 5 >>> 9.5 >>> >> In the cas

RE: [path-PEP] Path inherits from basestring again

2005-07-28 Thread Tony Meyer
> def functions_which_modifies_some_file_in_place(path): > output = open(path+'.tmp', 'w') > . > > I dont want a seperator inserted between path and the new extension. Fair enough. Forget using '+' for join, then (which I was never that keen on - TIOWTDI), but I'm still -1 on using '/' for

RE: [path-PEP] Path inherits from basestring again

2005-07-28 Thread Tony Meyer
> I, herewith, claim to have used it in the past. > > But I am indifferent as to if its needed, it just looks natural to me. So far there seem to have been a few +0s, but no +1s... > What I use quite often is:: > >path(__file__).dirname() / "somesiblingfileiknowisthere" > > you do not have

RE: [path-PEP] Path inherits from basestring again

2005-07-28 Thread Tony Meyer
[using __div__ to mean join] > I'm not too happy with it, too, but do we have alternatives? > As paths are strings, we can hardly override the '+' operator, > so there's not much operators left. > > Of course, one can use joinwith() if he doesn't like '/'. My argument is that the alternative is

RE: [path-PEP] Path inherits from basestring again

2005-07-28 Thread Tony Meyer
> Well, I actually had some correspondence with Jason on this > very subject a year or so ago: [...] > Obviously, I don't know how much weight Jason's original > ideas have on the prepped-for-syslib module, but it does > support what other people have been saying: that the Path > should behave

Re: [path-PEP] Path inherits from basestring again

2005-07-28 Thread Stefan Rank
[__div__ for .joinpath()] on 29.07.2005 04:48 Tony Meyer said the following: >>I, herewith, claim to have used it in the past. >>But I am indifferent as to if its needed, it just looks natural to me. > > So far there seem to have been a few +0s, but no +1s... > >>What I use quite often is:: >> >

RE: [path-PEP] Path inherits from basestring again

2005-07-29 Thread Tim Golden
[Tony Meyer] | | [Tim Golden] | > Well, I actually had some correspondence with Jason on this | > very subject a year or so ago: | [...] | > Obviously, I don't know how much weight Jason's original | > ideas have on the prepped-for-syslib module, but it does | > support what other people have

Re: [path-PEP] Path inherits from basestring again

2005-07-29 Thread Peter Hansen
Tony Meyer wrote: > Would you really choose this: > p = Path() / "build" / "a" / "very" / "very" / "long" / "path" > > Over this: > p = Path(os.path.join("build", "a", "very", "very", "long", "path")) I'd choose neither, because both are contrived examples (who builds paths out of six li

RE: [path-PEP] Path inherits from basestring again

2005-07-29 Thread Tony Meyer
> We're talking at this point about how Path should work, not > whether it's preferable to os.path.join, even though that was > really the point of Reinhard's original post. That's not what I'm talking about. I'm talking about whether __div__ should be a shortcut to joinwith, or whether users sh

Re: [path-PEP] Path inherits from basestring again

2005-07-29 Thread Ivan Van Laningham
Hi All-- Tony Meyer wrote: > > So far, there have been various statements that look like +0 for __div__, > but no-one with a +1. (And I've said this a couple of times now, which > really is just trolling for a +1 from someone). > > > It's not a question of saving characters, but readability whi

RE: [path-PEP] Path inherits from basestring again

2005-07-29 Thread Tony Meyer
>> (Those who are offended by sweeping generalisations should >> ignore this next bit) [...generalisation bit snipped...] > This is not only bullshit, it's elitist bullshit. "Windows users are > more clueless than users of posix systems." Pfui. Prove it > or withdraw it. Sigh. I guess you di

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread Reinhold Birkenfeld
Ivan Van Laningham wrote: > Hi All-- > > Tony Meyer wrote: >> >> So far, there have been various statements that look like +0 for __div__, >> but no-one with a +1. (And I've said this a couple of times now, which >> really is just trolling for a +1 from someone). >> >> > It's not a question of

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread Ivan Van Laningham
Hi All-- Tony Meyer wrote: > > >> (Those who are offended by sweeping generalisations should > >> ignore this next bit) > [...generalisation bit snipped...] > > This is not only bullshit, it's elitist bullshit. "Windows users are > > more clueless than users of posix systems." Pfui. Prove it >

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread phil hunt
On Fri, 29 Jul 2005 14:38:23 +1200, Tony Meyer <[EMAIL PROTECTED]> wrote: >> def functions_which_modifies_some_file_in_place(path): >> output = open(path+'.tmp', 'w') >> . >> >> I dont want a seperator inserted between path and the new extension. > >Fair enough. Forget using '+' for join, t

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread phil hunt
On Fri, 29 Jul 2005 14:48:55 +1200, Tony Meyer <[EMAIL PROTECTED]> wrote: > >Would you really choose this: > >p = Path() / "build" / "a" / "very" / "very" / "long" / "path" > >Over this: > >p = Path(os.path.join("build", "a", "very", "very", "long", "path")) Or have the constructor accept

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread Steven D'Aprano
On Sat, 30 Jul 2005 14:10:52 +0200, Reinhold Birkenfeld wrote: > Above all, nobody can tell me that there's any programmer who doesn't > instantly recognize '/' as a directory separator. Is classic Macintosh OS still supported on Python? Because Mac programmers who haven't made the jump to OS X

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread Brian Beck
Ivan Van Laningham wrote: > I like / as a shortcut to joinwith(). I like it a lot. I like it so > much I'll give you a +2. +1 here. Extremely practical. -- Brian Beck Adventurer of the First Order -- http://mail.python.org/mailman/listinfo/python-list

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread Reinhold Birkenfeld
phil hunt wrote: > On Fri, 29 Jul 2005 14:38:23 +1200, Tony Meyer <[EMAIL PROTECTED]> wrote: >>> def functions_which_modifies_some_file_in_place(path): >>> output = open(path+'.tmp', 'w') >>> . >>> >>> I dont want a seperator inserted between path and the new extension. >> >>Fair enough. Fo

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread Reinhold Birkenfeld
phil hunt wrote: > def normalizePath(p, *pathParts): >""" Normalize a file path, by expanding the user name and getting >the absolute path.. >@param p [string] = a path to a file or directory >@param pathParts [list of string] = optional path parts >@return [string] = the same

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread Reinhold Birkenfeld
Steven D'Aprano wrote: > On Sat, 30 Jul 2005 14:10:52 +0200, Reinhold Birkenfeld wrote: > >> Above all, nobody can tell me that there's any programmer who doesn't >> instantly recognize '/' as a directory separator. > > Is classic Macintosh OS still supported on Python? Because Mac programmers >

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread Cliff Wells
On Sat, 2005-07-30 at 08:01 -0600, Ivan Van Laningham wrote: > Tony Meyer wrote: > > > > >> (Those who are offended by sweeping generalisations should > > >> ignore this next bit) > > [...generalisation bit snipped...] > > > This is not only bullshit, it's elitist bullshit. "Windows users are > >

Re: [path-PEP] Path inherits from basestring again

2005-07-30 Thread phil hunt
On Sat, 30 Jul 2005 19:01:49 +0200, Reinhold Birkenfeld <[EMAIL PROTECTED]> wrote: >phil hunt wrote: > >> def normalizePath(p, *pathParts): >>""" Normalize a file path, by expanding the user name and getting >>the absolute path.. >>@param p [string] = a path to a file or directory >>

Re: [path-PEP] Path inherits from basestring again

2005-07-31 Thread Reinhold Birkenfeld
phil hunt wrote: > On Sat, 30 Jul 2005 19:01:49 +0200, Reinhold Birkenfeld <[EMAIL PROTECTED]> > wrote: >>phil hunt wrote: >> >>> def normalizePath(p, *pathParts): >>>""" Normalize a file path, by expanding the user name and getting >>>the absolute path.. >>>@param p [string] = a path

RE: [path-PEP] Path inherits from basestring again

2005-07-31 Thread Tony Meyer
> Yes, I read and understood it. Saying "Don't read this if > you don't want to be offended" doesn't make an offensive > statement inoffensive. No, but it makes complaining that it was offensive pointless. > I grant that Python is much easier to learn than other > programming languages; stude

RE: [path-PEP] Path inherits from basestring again

2005-07-31 Thread Tony Meyer
> Is classic Macintosh OS still supported on Python? No. At least, AFAIK, there is no intent to produce packages of new Python versions for Mac pre OS X. Old versions of Python still work, of course, but whatever version of Path makes it into Python (if any) is extremely unlikely to be supported

RE: [path-PEP] Path inherits from basestring again

2005-07-31 Thread Tony Meyer
>> I agree. It's yuck. > > So don't use it. If it were that simple, I wouldn't have bothered bringing it up. I really do believe this is a case of "There should be one-- and preferably only one --obvious way to do it" (as well as "Explicit is better than implicit" and "Readability counts"). If

RE: [path-PEP] Path inherits from basestring again

2005-07-31 Thread Tony Meyer
> While people are loathe to admit it, many stereotypes have > some basis in fact. The problem is when people extend that to generalize > about others (especially in a negative way). The intent was to use the basis-in-fact stereotype without having to explain in detail the factual basis, which

RE: [path-PEP] Path inherits from basestring again

2005-07-31 Thread Tony Meyer
> Above all, nobody can tell me that there's any programmer who > doesn't instantly recognize '/' as a directory separator. There is a programmer who doesn't instantly recognise '/' as a directory separator. I teach programming. The above is true. I think that the statement "any programmer wou

RE: [path-PEP] Path inherits from basestring again

2005-07-31 Thread Delaney, Timothy (Tim)
I have to say, the examples of using / don't really suggest path concatenation to me. However, I think the problem is the use of whitespace. Specifically:: path = Path() subdir = "subdir" f = "filname" path = path / subdir / f looks more like division (even with the obvious name

Re: [path-PEP] Path inherits from basestring again

2005-07-31 Thread phil hunt
On Sun, 31 Jul 2005 09:48:45 +0200, Reinhold Birkenfeld <[EMAIL PROTECTED]> wrote: >> >> An improvement to what? To how the class is implemented, or to how >> it is used? > >No, the second function is cleaner and more readable than the first, >IMHO. True, but the first function, at all of seven

Re: [path-PEP] Path inherits from basestring again

2005-08-01 Thread Reinhold Birkenfeld
phil hunt wrote: > On Sun, 31 Jul 2005 09:48:45 +0200, Reinhold Birkenfeld <[EMAIL PROTECTED]> > wrote: >>> >>> An improvement to what? To how the class is implemented, or to how >>> it is used? >> >>No, the second function is cleaner and more readable than the first, >>IMHO. > > True, but the

Re: [path-PEP] Path inherits from basestring again

2005-08-01 Thread Michael Hoffman
Delaney, Timothy (Tim) wrote: > Hey - paths are special enough to warrant additional syntax, aren't they? I hope this is a joke :) -- Michael Hoffman -- http://mail.python.org/mailman/listinfo/python-list

Re: [path-PEP] Path inherits from basestring again

2005-08-01 Thread Ron Adam
Ivan Van Laningham wrote: >>People can subclass Path and add it if they really want it. They can use >>Jason's original module. My position is that the PEP without this use of >>__div__ is (a) better as a standard module, and (b) improves the chance of >>the PEP being accepted. >> > > > I dis

Re: [path-PEP] Path inherits from basestring again

2005-08-02 Thread Michael Hoffman
Ron Adam wrote: > PS. Could someone repost the links to the current pre-pep and the most > recent module version so I can look at it closer look? Pre-pre-PEP: http://wiki.python.org/moin/PathClass Reinhold's version of the module is in Python CVS in nondist/sandbox/path. Jason Orendorff's vers