next "pop" won't
have to roam thru all the values again but instantly get the right one
from the cache, or just get on with that iterable until it depletes.
What real-world scenario am I missing here?
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tes.
> >
> > What real-world scenario am I missing here?
> >
>
> ok, I admit that that the file was not good example. better example
> would be just any iterator you use in your code.
Somehow I've always managed to avoid such re-iteration scenarios, but
of course, it could be just my luck ;)
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ted already...
import itertools as it
ftuple = tuple(it.imap( float, line.split('; ') ))
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e illogical and
counter-intuitive to create "required options", since by definition they
should be optional.
Try using arguments instead, with some type-switching flags, if
necessary - it should make CLI more consistent and save some typing by
omitting otherwise always-required option argument ("--part").
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Jim Qiu wrote:
> Hi everyone,
>
> Following is the code i am reading, i don't see anywhere the declaration of
> Message.root object,
> Where is it from?
...
Prehaps it gets assigned by the parent itself?
Like this:
def spawn_child(self):
child = Message()
child.r
work much faster with buffers
than str / unicode.
text = 'some text to correct (anything, really)'
result = buffer('')
word, c = buffer(''), ''
for c in text:
if c.isalpha(): word += c
else:
if word:
result += correct(word)
t) if absolute path gets appended to
it:
os.path.join('/some/path', '/home/jeanmichel') == '/home/jeanmichel'
> So my question is: "why the shell is adding '' when the interpreter is
> adding the full path ?"
Looks like a solid way to construct relative imports to me.
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Content-Disposition', 'attachment;
filename="%s"'% os.path.basename(file)) msg.attach(part)
smtp = smtplib.SMTP(relay)
smtp.sendmail(from, to, msg.as_string() )
smtp.close()
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seem to make more sense
to me than an explicit conversion.
There's also "op.itruediv" for "number /= float(total) * 100" case.
http://docs.python.org/dev/library/operator.html
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>def bar(self, bar):
> self._bar = self._change(bar) # !!! as in init
>
> def _change(self, text):
> return text + 'any change'
> ---
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switches are available for python ?
> (googling didn't give me any relevant hits )
You might be amazed how much insight "man python" and "python -h" can
yield ;)
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On Sun, 24 May 2009 19:03:26 +0600
Mike Kazantsev wrote:
> On Sun, 24 May 2009 05:06:13 -0700 (PDT)
> Kless wrote:
>
> > Is there any way to simplify the next code? Because I'm setting a
> > variable by default of the same way than it's set in the setter.
> &g
, 'key1': 'value1'} }
To save namespace and make it a bit more unreadable you can write it
as a one-liner:
with open('test.src') as src:
data = dict( (lines.next(), dict(it.imap(str.split, lines))) for sep,lines
in
it.groupby(it.ifilter(bool, it.imap(lambda x: x.s
#x27; '
count_span_max = count_space - (count_span * len(span_min))
line = buffer(words[0])
for word in words[1:]:
if count_span_max:
count_span_max -= 1
line += span_min + ' '
else: line += span_min
line += word
print '%d chars: %r'%(len(line),
'date':
datetime.datetime(2007, 9, 30, 16, 43, 54)}, {'name': 'AA2',
'username': 'AA2','date': datetime.datetime(2007, 9, 30, 16, 43,
54)}]
entries.sort(lambda x: (x['name'], -time.mktime(x['date'].timetuple(
Here time is inversed, yielding reverse sort order by that column.
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gt;
> ... a .join() call, which is the most likely position at which the
> keyboard interrupt will be processed, killing the main program thread
> and probably generating some errors as dangling active threads are
> forceably killed.
There was quite interesting explaination o
nyway? It's not like
you'd be able to accomplish it - code can easily grep it's process body
in memory and harvest all the "private" values, so I'd suggest getting
some fresh air when you start to feel like doing that.
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s' table (with it's own numbering),
which is usually done via special flag for sendmsg(2) in C, so you
should probably look out for py implementation of this call, which I
haven't stumbled upon, but, admittely, never looked for.
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re other
> links?
Thanks for sharing this link, although I prefer such information in
written form - it's easier/faster to work with and much more accessible.
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;with", file should end up closed, else
os.rename might replace valid path with zero-length file.
It should be easy to use cursor with contextlib, consider using
contextmanager decorator:
from contextlib import contextmanager
@contextmanager
def get_cursor():
try:
cursor = conn.c
On Sun, 14 Jun 2009 00:46:16 -0700 (PDT)
"Mr . Waqar Akbar" wrote:
...
Judging by the typo in the last subject, someone indeed types all this
crap in manually! Oh my god...
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x27;d prefer to use dict() to declare a dict, not some mix of letters and
incomprehensible symbols, thank you.
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or of "{0}".format(var) and I think it's a good call.
There's only so much sugar to add before it'll transform into salt and
you'll start seeing lines like these:
s**'@z!~;()=~$x>;%x>l;$(,'*e;y*%z),$;@=!;h(l~;*punch jokers;halt;*;print;
I
On Mon, 15 Jun 2009 05:37:14 -0700 (PDT)
OdarR wrote:
> On 13 juin, 07:25, Mike Kazantsev wrote:
> > There was quite interesting explaination of what happens when you send
> > ^C with threads, posted on concurrency-sig list recently:
> >
> > http://bli
On Sun, 14 Jun 2009 22:45:38 -0700 (PDT)
deostroll wrote:
> I need to be able to parse a json data object using the simplejson
> package. First of all I need to know all the task needed for this job.
Note that py2.6 has a bundled json module.
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signatu
t; themselves, as I was thinking. I wish listdir had been changed in 3.0
> along with map, filter, and range, but I made no effort and hence cannot
> complain.
Why? We have itertools.imap, itertools.ifilter and xrange already.
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nces
# You can always use it as a regular dict
print 'port' in data
print data['see_also']
# Data model propagnates itself to any sub-mappings
data.see_also.new_item = dict(x=1, y=2)
print data.see_also.keys()
data.see_also.new_item['z'] = 3
print data.see_also.new_item.z
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d processes with a simple "while True: ..." loop,
consider using twisted framework - it'll allow you to do incredible
stuff with any number of sockets with just few lines of code in a
clean, abstracted way.
Latter would also mean that you can always replace os pipes with network
sockets just
nthusiasm.
I've read this thread from the beginning, being tempted to insert
remarks about shelve module or ORMs like SQLAlchemy, but that'd be
meaningless without the problem description, which I haven't seen
anywhere. Is it some trick idea like "let's walk on our heads"?
o read/write data from/to the pipes more
than once (aka communicate), using threads or any more python
subprocesses seem like hammering a nail with sledgehammer - just _read_
or _write_ to pipes asynchronously.
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95ea
with only hundred of them in each path. Former case (all-in-one-path)
would even outperform the latter with ext3 or reiserfs by a small
margin.
Sadly, that's not the case with filesystems like FreeBSD ufs2 (at least
in sixth branch), so it's better to play safe and create subdirs if
refix at the beginning of every line?
I'd log exception name and timestamp (or id) only, pushing the full
message with the same id to another log or facility (like mail it to
some dedicated bug-report box).
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On Wed, 17 Jun 2009 03:42:02 GMT
Lie Ryan wrote:
> Mike Kazantsev wrote:
> > In fact, on modern filesystems it doesn't matter whether you
> > accessing /path/f9e95ea4926a4 with million files in /path
> > or /path/f/9/e/95ea with only hundred of them in each path. Former
> Why is that a problem?
So you can os.listdir them?
Don't ask me what for, however, since that's the original question.
Also not every fs still in use handles this situation effectively, see
my original post.
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On Wed, 17 Jun 2009 23:04:37 +1200
Lawrence D'Oliveiro wrote:
> In message <20090617142431.2b25f...@malediction>, Mike Kazantsev wrote:
>
> > On Wed, 17 Jun 2009 17:53:33 +1200
> > Lawrence D'Oliveiro wrote:
> >
> >> > Why not us
On Thu, 18 Jun 2009 10:33:49 +1200
Lawrence D'Oliveiro wrote:
> In message <20090617214535.10866...@coercion>, Mike Kazantsev wrote:
>
> > On Wed, 17 Jun 2009 23:04:37 +1200
> > Lawrence D'Oliveiro wrote:
> >
> >> In message <200906
On Fri, 19 Jun 2009 17:53:40 +1200
Lawrence D'Oliveiro wrote:
> In message <20090618081423.2e035...@coercion>, Mike Kazantsev wrote:
>
> > On Thu, 18 Jun 2009 10:33:49 +1200
> > Lawrence D'Oliveiro wrote:
> >
> >> In message <20090617
it can get the same results as
well, w/o having to invoke shell commands:
http://code.google.com/p/procpy/
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/env python
import sys
open('/tmp/argv', 'w').write(repr(sys.argv))
And replace 'vlc' with a path to this script, then invoke it from a
shell, compare the results.
If it gets the right stuff, try the same with os.environ (prehaps vlc
keeps socket location there, just like ssh/gpg-agents?).
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time w/o blocking.
Try this recipe:
http://code.activestate.com/recipes/576759/
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result = db.store_result()
data = result.fetch_row(maxrows=0, how=1)
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ot;how" is 1 and wtf is this "how", anyway!? ;)
I can't seem to find any mention of such methods in documentation and
even python source, guess they are implemented directly in underlying
C lib.
Hope I learned to abstract from such syntax since then, I sure do...
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the output from the
second results, from py itself. My suggestion was just to compare them
- pop the py shell, eval the outputs into two sets, do the diff and
you'll see it at once.
If there's an empty set then I guess it's pretty safe to assume that
python creates subprocess i
On Fri, 19 Jun 2009 22:00:28 +0600
Mike Kazantsev wrote:
> On Fri, 19 Jun 2009 08:28:17 -0700
> Tyler Laing wrote:
>
> > Thanks mike, the idea that maybe some of the info isn't being passed is
> > certainly interesting.
> >
> > Here's the output of
t;, since the try has failed here.
You might want to insert return or avoid (possibly endless) recursion
altogether - just wrap it into while loop with some counter (aka
max_tries).
Also, you can get rid of code duplication by catching some basic
urllib2 exception, then checking if it's ur
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