On Nov 12, 5:28 pm, Silfheed <[EMAIL PROTECTED]> wrote:
> Heyas
>
> So I've been messing around with the PIL and PNG's and came across a
> little problem with PNG's.
>
> So just to clarify, I'm running with the standard ubuntu 8.04 python-
> imaging package that installs zlib and all the other good
On Nov 12, 4:05 pm, Fredrik Lundh <[EMAIL PROTECTED]> wrote:
> greg wrote:
> >> It's not only misleading, it's also a seriously flawed reading of the
> >> original text - the Algol 60 report explicitly talks about assignment
> >> of *values*.
>
> > Do you agree that an expression in Python has a v
On Wed, 12 Nov 2008 08:06:31 -0700, Joe Strout wrote:
> Let me preface this by saying that I think I "get" the concept of duck-
> typing.
>
> However, I still want to sprinkle my code with assertions that, for
> example, my parameters are what they're supposed to be -- too often I
> mistakenly pa
Hi,
I would like to read directly from a tar file into memory so I can
manipulate a file (quickly) and write its changes out to another file. I
thought I could do something like:
#!/usr/bin/env python
import tarfile
import mmap
fil = tarfile.open( "out.tar.gz" , "r:gz" )
tarinf = fil.next()
m
On Wed, 12 Nov 2008 18:51:38 -0800 (PST), Chris Brooks <[EMAIL PROTECTED]>
wrote:
Hi,
I would like to read directly from a tar file into memory so I can
manipulate a file (quickly) and write its changes out to another file. I
thought I could do something like:
If you mmap a tar file, then y
thank you very much for the advices!
I asked myself many times, why not just use thread:D
After some research I found thread has some fatal defects
1. thread number is limited by os, that means the system don't want
you start many threads at the same time
2. thread pool is another approach for c
How is this code going to look like in Python 3.0? (it's deprecated
according to http://docs.python.org/library/new.html#module-new, but
it does not tell what to use instead)
method = new.instancemethod(raw_func, None, cls)
setattr(cls, name, method)
Can we write code in python2.5/2.6 that will
Flavio wrote:
How is this code going to look like in Python 3.0? (it's deprecated
according to http://docs.python.org/library/new.html#module-new, but
it does not tell what to use instead)
method = new.instancemethod(raw_func, None, cls)
setattr(cls, name, method)
Use the type objects in the
Hi,I am using UnixMailbox to parse an mbox file. This mbox file starts with the
following lines.From [EMAIL PROTECTED] May 18 01:43:12 2004>From [EMAIL
PROTECTED] May 18 01:43:12 2004ReturnPath: XOriginalTo: [EMAIL PROTECTED]:
[EMAIL PROTECTED] what I am seeing is that the '>From [EMAIL PROTECTE
Robert,
Appreciate your response.
However Guido says here that types was never intended to be used like
that:
http://bugs.python.org/msg58023
quote: "The types module was only ever intended for type
checking, not for creating new instances.
The correct solution will be to use whatever we end u
On Nov 12, 9:54 pm, [EMAIL PROTECTED] wrote:
> Robert,
>
> Appreciate your response.
>
> However Guido says here that types was never intended to be used like
> that:
>
> http://bugs.python.org/msg58023
>
> quote: "The types module was only ever intended for type
> checking, not for creating new in
[EMAIL PROTECTED] wrote:
Robert,
Appreciate your response.
However Guido says here that types was never intended to be used like
that:
http://bugs.python.org/msg58023
quote: "The types module was only ever intended for type
checking, not for creating new instances.
The correct solution will
> arguably even older than that to Lisp.
>
Firstly, thanks to those that have responded to my part in this
debate, I have found it very informative and interesting as I have the
entire thread. However, with regard to comments that I led myself
astray, I want to reiterate the one thing I find det
Hello,
> A child thread has a long-time executions, how to suspend it and resume
> back the orignial place ?
I don't think you can do it using Python's thread API.
You can either use a platform specific API (such as pywin32) or make
the thread "cooperative" and wait on a condition/semaphore in som
Jeff McNeil wrote:
> Sure, start the daemon as root, write the appropriate files, and then
> drop permissions using os.setegid and then os.seteuid. You can chown
> the file before priv. drop to your target user so that it can be
> removed when your exit handlers run. Alternatively, you can reclai
Evening all,
And thank you for your valuable reading skills.
The following pattern turned up in coding tonight.
It works, but I'm suspicious, it just seems too easy.
So any comments or constructive criticisms welcome ?
*** Start doctest format ***
>>> class Cacher:
... def
Cameron Simpson wrote:
> Or, more simply, get root to make an empty pid file once and chown it to
> the daemon user. Then the daemon can rewrite the file as needed. You need
> to move to truncating the file instead of removing it on daemon shutdown,
> but that is trivial. And no mucking with privi
On Wed, 12 Nov 2008 11:00:26 +0800, scsoce wrote:
got a exception: "a class that defines __slots__ without defining
__getstate__ cannot be pickled "
why?
Because in the absence of any other information, the default
way of pickling an object is to save the contents of its
__dict__. But an obje
Chris Seymour wrote:
I am working on a python script for my colleague that will walk a
directory and search in the different files for a specific string.
These pieces I am able to do. What my colleague wants is that when
she runs the script the filename is replaced by the current file that
is be
Jean-Paul Calderone wrote:
>
> If you mmap a tar file, then you'll get a bunch of tar formatted stuff.
> If
> you mmap a gzipped tar file, then you'll get a bunch of gzipped stuff.
> Are
> you sure that's what you want? From your code snippet, it looks more like
> you want the uncompressed f
Joe Strout wrote:
This is not hypothetical -- just last week I had a hard-to-track-down
abend that ultimately turned out to be an NLTK.Tree object stored
someplace that I expected to only contain strings. I found it by
littering my code with assertions of the form
isinstance(foo,basestrin
Joe Strout wrote:
I'd rather risk something that
breaks the code in an obvious way during development, than risk
something that breaks it in a subtle way and is more likely to be
discovered by the end-user.
Seems to me that putting in these kinds of assertions isn't
going to make much diff
On Nov 12, 8:51 pm, Chris Brooks <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I would like to read directly from a tar file into memory so I can
> manipulate a file (quickly) and write its changes out to another file. I
> thought I could do something like:
>
> #!/usr/bin/env python
>
> import tarfile
> im
I am looking for the file Python Wrapper Tools; a Performance Study
(http://people.web.psi.ch/geus/talks/europython2004_geus.pdf). The
link seems to be no longer valid.
If someone has a local copy, I request him/her to share it.
/Srijit
--
http://mail.python.org/mailman/listinfo/python-list
Jeffrey Barish wrote:
Nice. One thing: how do I get the uid and gid for the target user? In
general, I know the name of the target user, but the uid/gid assigned by
the OS to that user could be different on different systems.
pwd.getpwnam
grp.getgrnam
--irmen
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