Flavio Grossi added the comment:
> About the new optional balanced parameter added downstream to Fedora, the
> patch is very small compared to timedlock.patch. It only changes the Python
> code, not the C code
The balancing fix has 3 main problems imo:
- It causes long delays t
Flavio Grossi added the comment:
First of all, thank you for your support.
I fully understand what you are saying, however, being stuck to python 2.7
because of libraries still not ported to 3, this is a serious problem to us,
and, while i agree this would introduce a new "feature"
Flavio Grossi added the comment:
>> however, being stuck to python 2.7 because of libraries
> Are there private libraries or public libraries?
It is a mix of public and internal libraries with the main public blockers
being twisted and apache thrift (and other libs which have py3 alt
New submission from Flavio Grossi:
threading.Condition.wait(timeout=x) is implemented in python 2 as a semi-busy
loop which causes cpu wakeups and unexpected cpu use.
I think this is somewhat problematic since it causes problems in all modules
which use that method, such as Queue.get() when
Flavio Grossi added the comment:
Hi, and thank you for your answer.
However this is not strictly related to the newline, but also to some small
idiosyncrasies and different behavior among py2 and py3 (and even in py2 using
Header() or Charset()):
# py2.7, non-unicode str
H('test', 'utf-8
Flavio Grossi added the comment:
any news?
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http://bugs.python.org/issue22666
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New submission from Flavio Grossi:
When trying to encode an email header with a newline in it, correct encoding is
done only for strings and not for unicode strings.
In fact, for unicode strings, encoding is only done if a non ascii character is
contained in it.
The attached patch should fix
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
Hi,
I am a big fan of ZODB and use it stand alone on many project of mine.
One of the things I miss is a community around it. I don't care much
about ZOPE (though I admire it) and have not being able to find a
ZODB focused community. Is there one?
thanks
--
. Is it possible
that in a read, the method return a value that is not an old or a new value?
In other words, is it possible that a 'read' return (due to a 'write' at the
same time by another thread) an invalid value that was never supposed to be
there?
Thanks,
Flavio Preto
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Hi, I have been playing with set operations lately and came across a
kind of surprising result given that it is not mentioned in the
standard Python tutorial:
with python sets, intersections and unions are supposed to be done
like this:
In [7]:set('casa') set('porca')
Out[7]:set(['a', 'c'])
I use VIM here too. Mainly because i always switch from Windows to Linux and
using the same text editor is a way to avoid getting crazy.
[]'s
Preto
On 9 May 2007 15:21:41 -0700, BartlebyScrivener [EMAIL PROTECTED]
wrote:
On May 9, 1:26 pm, Looney, James B [EMAIL PROTECTED] wrote:
I'm using
Is it not possible to acomplish this with a token-based algorithm?
With 3 Threads: A, B and C
Thread A start with Token.
Thread with the token writes the byte and send the token to the next
Or python has any issues to a file object shared among a few threads?
[]'s
Flavio
On 5/6/07, Marc
).
The trivial solution that i've imagined is to save to a config file the
current status of the window, but i wish that PyGTK automatic handled this
for me.
Thanks,
Flavio
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Hi,
Nowadays the addition of functionality to programs by means of
plugins is very frequent.
I want to know the opinions of experienced Python developers about the
best practices when it comes to developing a plugin system for a
Python package.
Should plugins be modules in a separate package?
On Feb 22, 9:49 am, [EMAIL PROTECTED] wrote:
I don't know to which forum should I post the message
I hope someone related to the Python kernel development will read
consider the idea
I'm (a former? meanwhile not sure) MATLAB user it's very annoing
typing each time for example
while i:
On Feb 22, 11:00 am, Diez B. Roggisch [EMAIL PROTECTED] wrote:
Flavio wrote:
Hi,
Nowadays the addition of functionality to programs by means of
plugins is very frequent.
I want to know the opinions of experienced Python developers about the
best practices when it comes to developing
On Feb 22, 11:01 am, Jean-Paul Calderone [EMAIL PROTECTED] wrote:
On 22 Feb 2007 04:53:02 -0800, Flavio [EMAIL PROTECTED] wrote:
Hi,
Nowadays the addition of functionality to programs by means of
plugins is very frequent.
I want to know the opinions of experienced Python developers about
On Feb 22, 10:53 am, Flavio [EMAIL PROTECTED] wrote:
Hi,
Nowadays the addition of functionality to programs by means of
plugins is very frequent.
I want to know the opinions of experienced Python developers about the
best practices when it comes to developing apluginsystemfor a
Python
On Feb 22, 12:36 pm, Diez B. Roggisch [EMAIL PROTECTED] wrote:
Simple plugin system proposal:
have a package (directory with __init__.py) called plugins where the
actual plugins are modules in this directory.
When the main script imports the plugins package, all plugin modules
would be
On Feb 22, 12:51 pm, Flavio [EMAIL PROTECTED] wrote:
On Feb 22, 12:36 pm, Diez B. Roggisch [EMAIL PROTECTED] wrote:
Simple plugin system proposal:
have a package (directory with __init__.py) called plugins where the
actual plugins are modules in this directory.
When the main
On Feb 22, 2:04 pm, Paul Boddie [EMAIL PROTECTED] wrote:
On 22 Feb, 16:13, Diez B. Roggisch [EMAIL PROTECTED] wrote:
Darn. You're right of course - I just got the basic idea, and formed in my
mind the get the modules filename, thus the path, glob over it for *py,
and thus get the
Hi,
sorry for posting here, but the forum in the projects page is not
working. Maybe there is a gdesklet developer lurking... :-)
I cant import anything from a script, it gives me a runtime error.
is this a bug or a feature?
without being able to import from python standard library or other
this obvious bug.
On Jan 25, 4:39 am, Dennis Lee Bieber [EMAIL PROTECTED] wrote:
On 24 Jan 2007 16:25:19 -0800, Flavio [EMAIL PROTECTED] declaimed
the following in comp.lang.python:
something like this, for instance:
http://.wikipedia.org/wiki/Copper%28II%29_hydroxideWas there some
Hi I am havin a problem with urllib2.urlopen.
I get this error when I try to pass a unicode to it.
raise UnicodeError, label too long
is this problem avoidable? no browser or programs such as wget seem to
have a problem with these strings.
--
.
This is bad, since some links do contain strings with non-ascii
characters.
thanks,
Flávio
Marc 'BlackJack' Rintsch escreveu:
In [EMAIL PROTECTED], Flavio wrote:
Hi I am havin a problem with urllib2.urlopen.
I get this error when I try to pass a unicode to it.
raise UnicodeError, label
UnicodeError, label too long
UnicodeError: label too long
very strange, because I tried other unicode urls from the python
console like this
urllib2.urlopen(u'www.google.com')
and it works normally:
Martin v. Löwis escreveu:
Flavio schrieb:
What I am doing is very simple:
I fetch an url
Ok,
I tried that and it seems we are making progress
so here is my command:
python setup.py build_ext --compiler=mingw32 --fcompiler=gnu
Now it is complaining about my pyf!!
error: unknown file type '.pyf'
here is my setup .py:
import setuptools, os
from numpy.distutils.core import setup,
of mingw32 it does not work!!
So all that remains now is to be able to do it from the setup.py...
thanks again...
Robert Kern wrote:
Flavio wrote:
Ok,
I tried that and it seems we are making progress
so here is my command:
python setup.py build_ext --compiler=mingw32 --fcompiler=gnu
! isn't this great?
thanks for all the help you provided. I couldn't have done it without
it.
Cheers,
Flávio
Robert Kern wrote:
Flavio wrote:
Ok,
I tried that and it seems we are making progress
so here is my command:
python setup.py build_ext --compiler=mingw32 --fcompiler=gnu
Now
is a setup.py tailored to compile an f2py
extension on windows. Have you got one of these? if so please send it
to me and I can certainly figure out the rest.
thanks,
Flavio
Robert Kern wrote:
Flavio wrote:
Hello,
Compiling f2py extensions in Linux is a trivial task, You can even
SDK needs to be installed before building
extensions for Python.
any further help will be greatly appreciated...
Thanks again,
Flávio
Robert Kern wrote:
Flavio wrote:
Its been a while since i Tried this and right now I have no access to a
windows
machine to try it and show you the error
Hello,
Compiling f2py extensions in Linux is a trivial task, You can even
automate it with distutils. Now, in a Windows machine this does not
seem to be an easy task. At least, I could not find any decent tutorial
on how to do it.
Is there a way to do this? Can some one point me to a tutorial.,
wrote:
Flavio [EMAIL PROTECTED] wrote:
has anyone tried to build extensions for win32 on Linux using
xmingw?
I don't know about xmingw, but we use mingw on linux to compile stuff
for windows all the time. (We use the mingw package under debian)
We build extensions using mingw but linked
/tmpIkxhAr/src.linux-i686-2.4
adding '/tmp/tmpIkxhAr/src.linux-i686-2.4/flib-f2pywrappers.f' to
sources.
running build_ext
error: don't know how to compile C/C++ code on platform 'posix' with
'/opt/xmingw/bin/i386-mingw32msvc-gcc' compiler
any further suggestions?
Nick Craig-Wood wrote:
Flavio [EMAIL
Hi,
has anyone tried to build extensions for win32 on Linux using xmingw?
I need to use f2py to compile code for the win32 platform and I want to
do this in Linux. I googled aroung but could not find any documentation
on this.
For those who dont know xmingw is a port to linux of mingw.
any
Flavio wrote:
Hi,
has anyone tried to build extensions for win32 on Linux using xmingw?
I need to use f2py to compile code for the win32 platform and I want to
do this in Linux. I googled aroung but could not find any documentation
on this.
For those who dont know xmingw is a port
of
its previous incarnation...
how can I completely destroy a miniframe?
Flavio
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It was human error...
I found the bug...
thanks,
Laszlo Nagy wrote:
Flavio írta:
Hi,
I have a miniframe composed mainly of combo boxes, that I need to
destroy and recreate multiple time with different choice lists for the
combo boxes.
My problem is that even after destroying
My application needs needs matplotlib. So cx_Freeze bundles it in. But
it only bundles matplotlib python modules, not its data files!
In the original machine I believe that the frozen executable is somehow
finding those datafiles in their original locations, which is not
desirable, ecause the
Thanks for the hint. I'll try to get cx_freeze to bundle up other
shared libraries it may not be bundling such as qtcanvas, qtext, qtui,
etc. and see if it works.
I'll post back the results to help other poor souls like me.
Thanks
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Well I managed to get rid of the undefined symbol message by copying
all qt libs to the freeze directory, the problem is that now the
package is huge (83MB)!
So my question is: is there a way to find out exactly which lib is
missing ?
Thanks
--
I know, but the whole point of cx_freeze is to generate standalone
executables, so asking for an installation of an specific version of Qt
is just a little better than asking the end user to install from
source...
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I am trying to freeze an application which imports matplotlib. It all
works fine on the machine where it was frozen. The executable runs
without a glitch.
But when I move the directory containing the frozen executable and
other libs to a new machine, I get the following error:
Traceback (most
(most recent call last):
File
/home/fccoelho/Downloads/cx_Freeze-3.0.2/initscripts/Console.py, line
26, in ?
File epigrass.py, line 4, in ?
ImportError: /home/flavio/freeze/qt.so: undefined symbol:
_ZNK9QSGIStyle9classNameEv
It is looking for the Original cx_freeze installation!! Do I have
With so many object relational mappers out there, I wonder which one is
the preferred tool among the Pythonists... is there a favourite?
Sqlobject, PyDO, SQLAlchemy, dejavu, etc...
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to that end.
Any PyQt guru lurking around?
should I try some other list widget, that has a getSelected()method?
Is there one?
any help will be appreciated.
Flavio
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Iterating over the items and checking if it is selected, sounds like a
good idea, but there no obvious way to get a hold of the list of
items!! The only way you can get an item is if you are in single
selection mode and you call selectedItem(). But I have to use multiple
selection mode, for which
Who has created these items? Obviously you, so you _can_ store the list
of selected items.
well yeah, but the Idea was to let the user select(through the widget)
a subset of the original list and then access that subset...
Or you use the equally well documented QListViewItemIterator to
Because, by the time the user function is imported and attributed to
the custom method, soandso has already been instantiated and contains
the information tha needs to accessed by the user's function.
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If you read my original post, I had no intention of atributing the
user's method to the class, but to the instance.
Anyway I figure it out myself, and its quite a Pythonic solution:
class Foo:
name='John'
a=Foo()
def p(parent):
self=parent
print 'Hi,
There only one puzzle left to solve:
altough the solution I proposed works, this variant has problems:
class Foo:
name='John'
a=Foo()
def p():
print 'Hi, %s!'%self.name
a.met=p
a.met.self = a
a.met()
NameError: global name 'self' is not defined
This error is
This new module sounds pretty cool, too bad its deprecated...
I would not want to add a dependancy to a deprecated module in my code.
But maybe I'll check the code for instancemethod within it and see what
it does.
Flávio
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Addendum to my last reply:
although the New Method is deprecated,
new.instancemethod (from Antoon's message) can be replaced by
from types import MethodType
f.show = MethodType(show,f)
and every thing still works.
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First of all,why do you think the new module is deprecated? (I can't
find anything in the docs to indicate this.)
Its in the docs of python 2.4. I dont know about older versions:
Help on module new:
NAME
new - Create new objects of various types. Deprecated.
FILE
If you have a function f and want to make an instancemethod out of it,
you can simply call f.__get__(theinstance, theclass) and that will build
and return the new instancemethod you require.
I think that
f.show = MethodType(show,f)
is less cryptic than f.__get__(instance, class)
Flávio
--
hi,
I have an object defined with a number of hardcoded methods.
Class soandso:
def __init__(self):
self.this = 0
self.that = 1
def meth1(self):
...
def meth2(self):
...
def custom(self):
pass
I want to allow the user to write a python
Ok,
I got it!
Its vey insecure, and it is not guaranteed to work. Fine.
Now what would you do if you wanted to pass a lot of variables (like a
thousand) to a function and did not wanted the declare them in the
function header?
Flávio
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I wish all my problems involved just a couple of variables, but
unfortunately the real interesting problems tend to be complex...
As a last resort this problem could be solved by something like this:
def fun(**kw):
a = 100
for k,v in kw.items():
exec('%s = %s'%(k,v))
print
to have to refer to them as
variables['whatever']...
dont you think?
Flavio
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Hi,
I heard time and again that you are not _supposed_ to update the
locals dictionary.
Can anyone tell me why, if the following code works, I should not do
this?
#
# Extending Local namespace
#
def fun(a=1,b=2,**args):
print 'locals:',locals()
locals().update(args)
hi,
is there a faster way to build a circular iterator in python that by doing this:
c=['r','g','b','c','m','y','k']
for i in range(30):
print c[i%len(c)]
thanks,
Flávio
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[EMAIL PROTECTED] (Flavio codeco coelho) wrote in message news:[EMAIL
PROTECTED]...
struct.unpack returns a tuple of values represented by a string(the
output of the read command) packed according to the format specified
by BB
In this forma string, stands for big Endian representation and B
[EMAIL PROTECTED] (Michael Fuhr) wrote in message news:[EMAIL PROTECTED]...
If the actual byte and/or bit order is different then you'll have
to modify the expression, but this should at least give you ideas.
Hi Michael,
It all looks pretty god but there is a couple of things I still don't
than the one he used. Since hex numbers get me all
confused (and python doesn't convert to binary), I was wondering which
one is the correct masking...
thnaks,
Flavio
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I have a program that uses pythondialog for its UI.
Pythondialog is a wrapper of the shell dialog and xdialog libs.
But I would like for it to switch between using Dialog ( when X is not
available ) and xdialog (when X is available)
So my question is: how can I check for the availability of X?
[EMAIL PROTECTED] (Bengt Richter) wrote in message news:[EMAIL PROTECTED]...
On 9 Jan 2005 14:13:28 -0800, [EMAIL PROTECTED] (Flavio codeco coelho) wrote:
Hi,
I am using pyserial to acquire data from an A/D converter plugged to
my serial port.
my hardware represents analog voltages
Hi,
I am using pyserial to acquire data from an A/D converter plugged to
my serial port.
my hardware represents analog voltages as 12bit numbers. So, according
to the manufacturer, this number will be stored in two bytes like
this;
|-bits(1-8)---|
Byte1: x x x
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