On 23/06/11 18:11:32, Cathy James wrote:
I looked through this forum's archives, but I can't find a way to
search for a topic through the archive. Am I missing something?
One way to search the past contributions to this forum is to
go to http://groups.google.com/advanced_search and specify
"co
On 17/08/11 10:03:00, peter wrote:
Is there an equivalent to msvcrt for Linux users? I haven't found
one, and have resorted to some very clumsy code which turns off
keyboard excho then reads stdin. Seems such an obvious thing to want
to do I am surprised there is not a standard library module fo
On 21/08/11 19:14:19, Irmen de Jong wrote:
What the precise difference (semantics and speed) is between the
BINARY_ADD and INPLACE_ADD opcodes, I dunno. Look in the Python source
code or maybe someone knows it from memory :-)
There is a clear difference in semantics: BINARY_ADD always produces
On 27/08/11 09:08:20, Arnaud Delobelle wrote:
I'm wondering what advice you have about formatting if statements with
long conditions (I always format my code to<80 colums)
Here's an example taken from something I'm writing at the moment and
how I've formatted it:
if (isinstance(left,
On 27/08/11 11:05:25, Steven D'Aprano wrote:
Hans Mulder wrote:
[...]
It may look ugly, but it's very clear where the condition part ends
and the 'then' part begins.
Immediately after the colon, surely?
On the next line, actually :-)
The point is, that this layout make
On 27/08/11 17:16:51, Colin J. Williams wrote:
What about:
cond= isinstance(left, PyCompare)
and isinstance(right, PyCompare)
and left.complist[-1] is right.complist[0]
py_and= PyCompare(left.complist + right.complist[1:])if cond
else: py_and = PyBooleanAnd(left, right)
Colin W
On 30/08/11 06:13:41, Steven D'Aprano wrote:
On Tue, 30 Aug 2011 08:53 am Arnaud Delobelle wrote:
[...]
Yes, but if I am not mistaken, that will require me to put a line or
two after each os.system call. That's almost like whack-a-mole at the
code level rather than the Control-C level. OK, not
On 4/09/11 17:25:48, Alain Ketterlin wrote:
Erik writes:
import os
from subprocess import Popen, PIPE
os.chroot("/tmp/my_chroot")
p = Popen("/bin/date", stdin=PIPE, stdout=PIPE, stderr=PIPE)
stdout_val, stderr_val = p.communicate()
print stdout_val
but the Popen call is dying with the follow
On 6/09/11 01:18:37, Steven D'Aprano wrote:
Terry Reedy wrote:
The doc says "-c
Execute the Python code in command. command can be one or more
statements separated by newlines,"
However, I have no idea how to put newlines into a command-line string.
I imagine that it depends on the shell you
On 6/09/11 16:18:32, Laszlo Nagy wrote:
On 2011-09-06 15:42, Kayode Odeyemi wrote:
I was able to get this solved by calling class like this:
>>> from core.fleet import Fleet
>>> f = Fleet()
Thanks to a thread from the list titled "TypeError: 'module' object is
not callable"
Or you can also do
On 08/05/2011 00:12, Roy Smith wrote:
In article<7xd3jukyn9@ruckus.brouhaha.com>,
Paul Rubin wrote:
Roy Smith writes:
changes = [ ]
for key in d.iterkeys():
if is_bad(key):
changes.append(key)
changes = list(k for k in d if is_bad(k))
is a little bit more direct.
This
On 03/05/2011 09:52, rusi wrote:
[If you believe it is, then try writing a log(n) fib iteratively :D ]
It took me a while, but this one seems to work:
from collections import namedtuple
Triple = namedtuple('Triple', 'hi mid lo')
Triple.__mul__ = lambda self, other: Triple(
self.hi * othe
On 12/05/2011 16:21, Tim Golden wrote:
On 12/05/2011 15:11, Ayaskanta Swain wrote:
Please help me in solving the following issue I am facing while
executing my python script. Basically I am executing the OS specific
move command to move a file/dir from one location to another.
Why? Why not use
On 13/05/2011 13:11, rusi wrote:
On May 12, 3:06 am, Hans Mulder wrote:
On 03/05/2011 09:52, rusi wrote:
[If you believe it is, then try writing a log(n) fib iteratively :D ]
It took me a while, but this one seems to work:
from collections import namedtuple
Triple = namedtuple('T
On 07/05/2011 02:43, Jon Clements wrote:
On May 7, 12:51 am, Ian Kelly wrote:
On Fri, May 6, 2011 at 4:21 PM, Philip Semanchuk wrote:
What if it's not a list but a tuple or a numpy array? Often I just want to
iterate through an element's items and I don't care if it's a list, set, etc.
For
it shows thepythonw.exe system error:
The program can't start because api-ms-win-crt-runtime-|1-1-0.dll is
missing from your computer. try reinstalling the program to fix this
problem.
I reinstall it many times try to repair it is not working
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nit tests for a dynamic language, you don't check for these things at
all. How often do you explicitly check types in Python unit tests?
IMHO, when using a dynamic language, you don't need most of the checks
that Java, C# and their ilk force upon you.
--
Hans Nowak
http://
Christopher Koppler wrote:
> --
> Christopher
>
> In theory, I'm in love with Lisp,
> but I hop into bed with Python every chance I get.
That reminds me of something my old math teacher used to say... "My wife
is my cathedral, but I pray in every chapel.
expression, just like other types can be part of an
expression. However, by that same reasoning, maybe classes aren't
special enough either to warrant a special case. Where's the keyword to
create an anonymous class? :-)
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http://zephyrfalcon.org/
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Donn Cave wrote:
Quoth Hans Nowak <[EMAIL PROTECTED]>:
| Paul Rubin wrote:
|
|> You should write unit tests either way, but in Python you're relying
|> on the tests to find stuff that the compiler finds for you with Java.
|
| As I wrote on my weblog a while ago, I suspect th
Uwe Mayer wrote:
Why is the UserDict module is deprecated after Python 2.2. The application
of it I have in mind is, i.e. multiple inheritance from "file" and "dic" -
which is not possible.
I am curious, what would you do with a class that derives from both file
and dict?
#x27;t do what you want, so you
have to override them anyway.
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pment will continue in the same vein. (He may just be putting his
thoughts on paper, but it's the BDFL, so what is one supposed to think?)
I for one will NOT welcome our new static typing overlords. ;-)
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" + x[18:]
>>> cPickle.loads(y)
Traceback (most recent call last):
File "", line 1, in ?
ValueError: insecure string pickle
--
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nks for the tip, man!
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To add m as a new method to the *instance*, use new.instancemethod, as
Diez B. Roggisch already pointed out.
HTH,
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Bill Mill wrote:
On Fri, 28 Jan 2005 11:09:16 -0500, Hans Nowak <[EMAIL PROTECTED]> wrote:
>
To add m as a new method to the *class*, do this:
>>> class test:
... def __init__(self, method):
... self.__class__.method = method
... self.method()
...
>>&
eason, "pydoc list.sort" doesn't work on my machine
(Python 2.3.4, Windows XP).
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Very good poem.
Mind if forward it around?? I'll include ur email ID if u don't mind
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;>> t()
Called with: () {}
>>> t(3, 4)
Called with: (3, 4) {}
>>> t(42, x=0)
Called with: (42,) {'x': 0}
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lp', 'login',
'mail', 'noop', 'putcmd', 'quit', 'rcpt', 'rset', 'send', 'sendmail',
'set_debuglevel', 'starttls', 'verify', 'vrfy']
To get more detailed information than just a list of names, see the
inspect module.
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"Fredrik Lundh" <[EMAIL PROTECTED]> writes:
> >>> import csv
>
> http://online.effbot.org/2003_08_01_archive.htm#librarybook-csv-module
>
This seems be just the thing I need.
Now ofcourse, another problem arouse:
The csv module is new in Python 2.3.
han
. (optional " before and after comma), which of course
also goes wrong. " may and may not occur around the splitting comma, but
that would also match single commas inside quoted text, see example.
Any pointer will be greatly appreciated. Maybe I'm attacking this problem
the wrong way alre
plex form with grids,
explorer like trees etc. in 2 minutes in standard python.
To be fair, this is more a property of a GUI builder than of a language...
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ication" object from other modules, actually
the windows and frames that live therein and I don't know how to do
this.
If you just need to access the running application from other wxPython
objects, then wx.GetApp() is your friend.
--
Hans Nowak
http://zephyrfalcon.org/
--
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s syntax may look like C or C++ in
some areas, but the languages are nowhere near alike.) Pointing out the
difference is not trolling.
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Doug Holton wrote:
Steve Holden wrote:
'Scuse me? This group has a long history of off-topic posting, and
anyway who decided that CPython should be the exclusive focus? Even
on-topic we can talk about Jython and PyPy as well as CPython.
I agree with your point, although Hans Nowak and other
Doug Holton wrote:
Hans Nowak wrote:
Now you're trying to make it seem like I am against free speech on
this list, and against people's rights to discuss whatever they want.
I never said that, and I in fact enjoy the fact that c.l.py posters
are an eclectic bunch who have knowled
Doug Holton wrote:
Hans Nowak wrote:
You said that boo should not be mentioned on this newsgroup.
Please point me to the post where I said that. Since everything is
stored in Google Groups, it should be easy for you to come up with an
URL... if such a post existed.
Quote:
"th
Doug Holton wrote:
Hans Nowak wrote:
Quote:
"this is comp.lang.python, not comp.lang.boo."
Which is obviously not the same as "Boo should not be mentioned on
this newsgroup".
I used the exact same phrase in another note except using the term
"logo" instead o
ally necessary,
unless code is ambiguous.
>>> x = 1, 2, 3
>>> x
(1, 2, 3)
>>> y = 5,
>>> y
(5,)
but:
>>> print 8, 9 # not a tuple
8 9
>>> print (8, 9)
(8, 9)
HTH,
--
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http://zephyrfalcon.org/
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oo)
>>> FooCopy
>>> Foo
It appears it doesn't copy the class at all, you just get the same class
back.
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On 9/09/11 11:07:24, Steven D'Aprano wrote:
Sure enough, I now have to hit Ctrl-C repeatedly, once per invocation of
script.py. While script.py is running, it receives the Ctrl-C, the calling
process does not.
You misinterpret what you are seeing: the calling process *does* receive
the ctrl-C,
On 29/09/11 11:21:16, Steven D'Aprano wrote:
I have a Python script which I would like to test without a tty attached
to the process. I could run it as a cron job, but is there an easier way?
There is module on Pypi called python-daemon; it implements PEP-3143.
This module detaches the process
On 29/09/11 12:52:22, Steven D'Aprano wrote:
[steve@sylar ~]$ python -c "import sys,os; print os.isatty(sys.stdout.fileno())"
True
>
If I run the same Python command (without the setsid) as a cron job, I
get False emailed to me. That's the effect I'm looking for.
In that case, all you need t
On 30/09/11 11:10:48, Ovidiu Deac wrote:
I have the following regexp which fails to compile. Can somebody explain why?
re.compile(r"""^(?: [^y]* )*""", re.X)
[...]
sre_constants.error: nothing to repeat
Is this a bug or a feature?
A feature: the message explains why this pattern is not all
On 30/09/11 20:34:37, RJB wrote:
You could try the old UNIX "nohup ...&" technique for running a
process in the background (the&) with no HangUP if you log out:
$ nohup python -c "import sys,os; print
os.isatty(sys.stdout.fileno())"&
appending output to nohup.out
$ cat nohup.out
False
But that
On 3/10/11 06:37:43, Steven D'Aprano wrote:
On Fri, 30 Sep 2011 21:09:54 +0100, Nobody wrote:
On Thu, 29 Sep 2011 11:53:12 +0200, Alain Ketterlin wrote:
I have a Python script which I would like to test without a tty
attached to the process. I could run it as a cron job, but is there an
easie
On 3/10/11 08:10:57, Hegedüs, Ervin wrote:
hello,
On Mon, Oct 03, 2011 at 04:37:43AM +, Steven D'Aprano wrote:
I wanted to ensure that it would do the right thing when run without a tty,
such as from a cron job.
If you fork() your process, then it will also loose the tty...
Errhm, I su
On 20/10/11 18:22:04, Westley Martínez wrote:
On Thu, Oct 20, 2011 at 06:19:40AM -0700, Yingjie Lan wrote:
Hi,
Is it possible to test if two range objects contain the same sequence of
integers by the following algorithm in Python 3.2?
1. standardize the ending bound by letting it be the first
On 27/10/11 10:57:55, faucheuse wrote:
I'm trying to launch my python program with another process name than
"python.exe".
Which version of Python are you using?
Which version of which operating system?
In order to do that I'm trying to use the os.execvp function :
os.execvp("./Launch.py", [
On 9/11/11 02:30:48, Chris Rebert wrote:
Burn him! Witch! Witch! Burn him!
His code turned me into a newt!
--
Sent nailed to a coconut carried by swallow.
Is that a European swallow or an African swallow?
-- HansM
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On 18/11/11 03:58:46, alex23 wrote:
On Nov 18, 11:36 am, Roy Smith wrote:
What if the first import of a module is happening inside some code you
don't have access to?
No import will happen until you import something.
That would be the case if you use the '-S' command line option.
Otherwis
On 2/12/11 03:46:10, Dan Stromberg wrote:
You can read piped data from sys.stdin normally. Then if you want
something from the user, at least on most *ix's, you would open
/dev/tty and get user input from there. 'Not sure about OS/X.
Reading from /dev/tty works fine on OS/X.
-- HansM
--
ht
On 2/12/11 10:09:17, janedenone wrote:
I had tried
sys.stdin = open('/dev/tty', 'r')
That seems to work for me. This code:
import sys
if sys.version_info.major == 2:
input = raw_input
for tp in enumerate(sys.stdin):
print("%d: %s" % tp)
sys.stdin = open('/dev/tty', 'r')
answer = i
On 6/12/11 09:48:39, Steven D'Aprano wrote:
On Tue, 06 Dec 2011 10:19:55 +0430, Sergi Pasoev wrote:
Hi.
I wonder if it is realistic to get a single key press in Python without
ncurses or
any similar library. In single key press I mean something like j and k
in Gnu less
program, you press the k
On 10/12/11 02:44:48, Tim Chase wrote:
Currently I can get the currently-logged-in-userid via getpass.getuser()
which would yield something like "tchase".
Is there a cross-platform way to get the full username (such as from the
GECOS field of /etc/passed or via something like NetUserGetInfo on W
On 21/12/11 01:03:26, Ian Kelly wrote:
As type conversion functions, bool(x) and
int(x) should *always* return bools and ints respectively
> (or raise an exception), no matter what you pass in for x.
That doesn't always happen in 2.x:
>>> type(int(1e42))
This was fixed in 3.0.
-- HansM
--
h
On 21/12/11 21:11:03, Andrew Berg wrote:
On 12/21/2011 1:29 PM, Ethan Furman wrote:
Anything that runs at import time should be protected by the `if
__name__ == '__main__'` idiom as the children will import the __main__
module.
So the child imports the parent and runs the spawn code again? That
On 22/12/11 14:12:57, Steven D'Aprano wrote:
On Thu, 22 Dec 2011 06:49:16 -0500, Neal Becker wrote:
I agree with the OP that the current syntax is confusing. The issue is,
the meaning of * is context-dependent.
Here you are complaining about an operator being "confusing" because it
is contex
-a-exe-text-color-187633.html
The solution described here was to compile the program as a console app,
rather than a Windows app.
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Robert Kern wrote:
> PyPy will not bring about the Singularity.
But if it did, imagine how cool that would look on the developers
resumes... :-)
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eColor=(1.0,
1.0, 1.0, 1.0), fillColor=(0.0, 0.0, 0.0, 0.25)):
r, g, b, a = outlineColor
fr, fg, fb, fa = fillColor
...do something with these values...
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future releases of Wax...)
Feel free to contact me by private mail if you need more help.
Cheers,
--
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http://zephyrfalcon.org/
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to
me that the end of the expression
... for u in(3,14,10))
can be written as:
... for u in 3,14,10)
which would shave off a character. Tuples don't always need parentheses...
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André wrote:
> Hans Nowak wrote:
>
>>André wrote:
>
>
>>I don't know if this suggestion has been made already, but it seems to
>>me that the end of the expression
>>
>> ... for u in(3,14,10))
>>
>>can be written as:
>>
&
generator.
(Or is this behavior different in Python 2.5? I hope not...)
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ject_id
=> 2469
irb(main):036:0> x.object_id
=> 2469
irb(main):041:0> y = 1000
=> 1000
irb(main):042:0> y.object_id
=> 2001
irb(main):043:0> y += 234
=> 1234
irb(main):044:0> y.object_id
=> 2469
I am not an expert on Ruby internals, but it looks like these integers
are cached. As with Python, I don't know if one can count on this
behavior to happen always.
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derstand why some people
> have problems entering that same environment and privileged conditions
> as yourself. This attitude is very common and needs only some kind
> Blair-alike kind of selfhypnosis in order to effectively not being aware
> of lying.
Tony Blair, or the Blair Witch
t attribute is of any importance. Otherwise there's a
loophole in your tests. :-)
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ve liked to say that lists are a fundamental data type, much
more so than a set... but in reality that seems to be a matter of taste
and priorities. Pascal, for example, has a set literal, but no list
literal; in fact, it doesn't even have a built-in list type.
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98
> on char 98
> on char 99
> on char 99
> on char 100
> on char 100
Heh, that's a bug. As a temporary solution, go to textbox.py and
comment out the line in the __events__ dict that says 'Char': wx.EVT_CHAR.
I will need to fix the way Wax handles events like these; this will
probably be solved in the next release.
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nit__(self):
pass
When I substitute the blanks in the string for something else, then the problem
disappears:
class Axis:
axtype = "unknown_type_of_axis"
def __init__(self):
pass
Does anybody have an idea?
Hans Terlouw
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Hi,
am am a Python beginner with Java knowledge background. Infact I need to use
Jython.
My first beginner question is how to determine of what type a variable is?
In program which supports Jython there is a variable called "rc" available. I
can use the methods on that variable
CodeInvestigator version 0.6.0 was released on November 8.
This version adds support for input() and raw_input() functions.
The main changes:
* The 'Details' button on the file selection screen gives access
to statistics, stdin and stdout for the running program.
Control Z an
llion rows)
insert a lot of new date in these tables (also about 2 million lines)
commit all changes, so all changes become visible here and only here.
Thanks a lot,
Greetings
Hans
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; at row 1
The blob data is actually chopped.
The Table has two columns, char(100), blob
Has someone a working idea how to get binary file into a blob using MySQLdb and
python ?!
System is SuSE 10.0 Linux with python 2.5.1, current MySQLdb version, MySQL is:
5.0.26
Thanks a lot!
Greetings
Hans
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Sorry, I found the mistake:
There is more than one blob type, blob as a default stores only 64k of data.
LONGBLOB has a 4G limit which is Ok for my purposes.
Happy Christmas to all,
Hans
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solve this ?
Greetings
Hans
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her undefined (or ill-defined)
comparison methods, so that the overall list comparison does not do what you
expect. I'm not sure what ndarray and color are, but check their comparison
methods (you know, __cmp__, __lt__, __eq__, etc). (If that isn't clear, please
see http://effbot.org/pyref/__lt__.htm.)
--Hans
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Hi,
this is probably a trivial problem, but a google search for "python"
and "unicode" and" format string" gives too many hits: If I specify
e.g. "%20s" in a format string and the string value contains UTF-8
stuff (differing number of bytes per character), the length of the
resulting string (in ch
dinal not in
range(128)
Please help, how can I convert ANY column data to a string which is usable as a
key to a
dictionary. The purpose of using a dictionary is to find equal rows in some
database
tables. Perhaps using a md5 hash from the column data is also an idea ?
Thanks a lot in advance,
Hans.
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simplified code.
Again, thanks for the hint!
Greetings
Hans
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cerning a set or frozenset!
hope somebody can help!
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Galgebakken Sønder 4-11A
DK-2620 Albertslund
Danmark/Danio
begin 666 Hans Larsen.vcf
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'set' comes to mind, though I'm not sure if there are performance
inplications with large amopunts of data.
>>> a=[1, 2, 3]
>>> b=[2, 3, 1]
>>> set(a) == set(b)
True
Cheers,
Hans
-Original Message-
From: python-list-bounces+hans.dushanthakumar
Just being pedantic here :)
[items[x] for x in [i for i in map(values.index, new_values)]]
Is the same as
[items[x] for x in map(values.index, new_values)]
-Original Message-
From: python-list-bounces+hans.dushanthakumar=hcn.com...@python.org
[mailto:python-list-bounces+hans.dushantha
Try this:
print "\\"
\ is the escape character, it masks the meaning of the next chararcter.
If you write print "\" python tries to print " (the meaning of " as
the string delimiter is beeing masked) and finds no closing "
This is why you got the er
server but this
seems quite fat.
Better ideas ?!
Importand is also that the C-Lib on the cobol side should be coded as simple as
possible.
Platforms: Windows, *ix
Thanks a lot.
Hans
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'other': 17, 'that': 101}
If you want to store to / restore from file, use 'dump' and 'load':
# write to file 'out'...
>>> f = open("out")
>>> f = open("out", "wb")
>>> pickle.dump(d, f)
>
ol of processes... I'll leave it others, presumably more
knowledgable, to comment on that. :-) But I can tell you how to solve the
immediate problem:
for pid in procs_dict.keys():
...
Hope this helps!
--Hans
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[EMAIL PROTECTED] wrote:
On 16 mai, 23:34, "[EMAIL PROTECTED]"
<[EMAIL PROTECTED]> wrote:
On 16 mai, 23:28, Hans Nowak <[EMAIL PROTECTED]> wrote:
Dan Upton wrote:
for pid in procs_dict:
(snip)
for pid in procs_dict.keys():
I'm afraid this will do the same e
to sys.stdout, which is buffered, and may not be
displayed immediately (because it's held in the buffer). To force the output to
be displayed, use flush():
print "-#- executing: %s" % section,
sys.stdout.flush()
...tests here...
Hope this helps!
--Hans
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this was what people did before they came along
in 2.2). Personally, I don't use them... but some people like them. Different
strokes, and all that...
--Hans
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this:
>>> import foo
Traceback (most recent call last):
File "", line 1, in ?
ImportError: Bad magic number in foo.pyc
I'm not sure what would happen if multiple Pythons try to write a .pyc file at
the same time, though...
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Hans Nowak (zephyrfalcon at gmail dot org)
ht
lly. Does anyone know of this problem? Is there
a workaround? A fix, maybe?
We're using temporary files because a pipe hangs out with large
output, such as this one.
Thanks a lot,
Hans Larsen
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about what'
;d like to compile it once.
It is compiled when you import the module.
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e the second example tries to do) would not be OK.
Also see: http://zephyrfalcon.org/labs/python_pitfalls.html (pitfall #6).
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odule, etc. So in this case, not telling them that
the attributes exist, will not stop them from finding out.
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Hans Nowak (zephyrfalcon at gmail dot com)
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.
If you scan the alt.fan.harry-potter archives carefully, you will find at least
one well-known Python core developer. :-)
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, you can just use a slice, as localtime is a tuple:
fmttime = "%04d-%02d-%02d %02d:%02d:%02d" % localtime[:6]
Hope this helps! ^_^
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