On 2/1/2015 12:45 PM, Chris Angelico wrote:
Simple answer: You write dunder methods and the interpreter calls
them. You don't call them yourself.
I can't currently think of any situation where it's appropriate to
call a dunder method manually (cue the swamping of such situations on
the list); yo
On 2/3/2015 6:21 AM, Dennis Lee Bieber wrote:
The second is to use Google...
https://www.google.com/?gws_rd=ssl#q=python+idle+can%27t+make+connection
but the first page of results isn't helping -- lots of reports of the
problem, but no firm remedy listed.
it was suggested to me rec
On 2/3/2015 8:31 AM, Mark Lawrence wrote:
On 03/02/2015 14:34, Emile van Sebille wrote:
On 2/3/2015 6:21 AM, Dennis Lee Bieber wrote:
The second is to use Google...
https://www.google.com/?gws_rd=ssl#q=python+idle+can%27t+make+connection
but the first page of results isn't he
On 2/12/2015 11:51 AM, Tal Einat wrote:
Hi everyone,
I'd like to introduce a Python library I've been working on for a
while: fuzzysearch. I would love to get as much feedback as possible:
comments, suggestions, bugs and more are all very welcome!
I adapt difflib's SequenceMatcher for my fuzzy
On 2/12/2015 11:16 AM, Ian Kelly wrote:
Things break down again when we get to Python XIX.
'XVIII' < 'XIX'
False
Looks to me like you better check if your PEP313 patch is installed
properly. :)
Emile
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t of it; but
> we already have it built in :-)
There is a use case for a singleton class: when creating the singleton
object takes considerable resources and you don't need it always in your
program.
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On 2/13/2014 11:59 AM, Zachary Ware wrote:
In a fit of curiosity, I did some timings:
Snip of lots of TMTOWTDT/TIMTOWTDI/whatever... timed examples :)
But I didn't see this one:
s[::len(s)-1]
Emile
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On 2/13/2014 1:10 PM, Chris Angelico wrote:
On Fri, Feb 14, 2014 at 8:06 AM, Peter Otten <__pete...@web.de> wrote:
For the record:
s = "x"
s[::len(s)-1]
Traceback (most recent call last):
File "", line 1, in
ValueError: slice step cannot be zero
And that, my friends, is a classic exampl
You
On 2/16/2014 6:00 AM, F.R. wrote:
Hi all,
Struggling to parse bank statements unavailable in sensible
data-transfer formats, I use pdftotext, which solves part of the
problem. The other day I encountered a strange thing, when one single
figure out of many erroneously converted into letters.
On 2/19/2014 2:03 PM, Mircescu Andrei wrote:
> If there are only pyc files, the loading time of the application is
> much more than if I have pyc and py files. It is behind with 2
> minutes more than if it had py files
You may get some clues by starting python as
/path/to/python/python2.7 -vv
On 2/24/2014 12:31 AM, Karthik Reddy wrote:
I worked as a weblogic administrator and now i am changing to development and i
am very much interested in python . please suggest me what are the
things i need to learn more rather than python to get an I.T job. I came to
know about Django
elease:7.4
Codename: wheezy
jaap@liakoster:~$ uname -a
Linux liakoster.shrl.nl 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1+deb7u1 x86_64
GNU/Linux
jaap@liakoster:~$
...
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Op schreef Chris Angelico
in bericht :
> See if ls is actually giving you ctime rather than mtime - compare the
> results if you ask for os.path.getctime.
jaap@liakoster:~$ python
Python 2.7.3 (default, Jan 2 2013, 13:56:14)
[GCC 4.7.2] on linux2
Type "help", "copyright", "credits" or "licen
('%Y-%m-%dT%H:%M:%SZ',gmtime(os.path.getmtime(os.path.dirname(os.path.realpath(__file__
))+'/templates/art_index.html')))
...
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On 3/5/2014 1:59 AM, loial wrote:
Unfortunately I have to use python 2.6 for this
Did you try it?
Emile
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On 3/12/2014 5:29 AM, zoom wrote:
2. Alternatively, a unique string could be generated to assure that no
same file exists. I can see one approach to this is to include date and
time in the file name. But this seems to me a bit clumsy, and is not
unique, i.e. it could happen (at least in theory)
On 4/21/2014 7:13 AM, lee wrote:
4, the python standard library by examples
I'd take this on -- it provides a comprehensive overview of what's where
in the standard library which you'll likely use a lot.
which one is suitable for me??
That we can't answer. :)
Emile
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On 5/20/2014 7:25 AM, Pat Fourie wrote:
Good Day all.
I am new to Python.
Welcome --
I need to maintain software written on Python 1.5.2.
I'd point you to the tutorial for a start.
See the docs at https://docs.python.org/release/1.5.2/
I will upgrade after learning more.
My question is
On 6/2/2014 3:56 PM, Mark Lawrence wrote:
On 02/06/2014 23:01, Hisham Mughal wrote:
HI! plz tell me about books for python
i am beginner of this lang..
Regards,
Hisham
Either http://www.diveintopython.net/ or http://www.diveintopython3.net/
depending on whether you're using Python 2 or 3.
me, mimetype, body))
return
and then use it like:
form.add_fake_file('file', 'test1.txt', 'This is a test.')
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text. I use Komodo IDE when i want an IDE functionality,
> and never restart Komodo, over hours of work.
>
IPython's IDE just works the way alex23 described.
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srcnode.find_previous_sibling('div').string
print("Date: {0}".format(date))
print("Source: {0}".format(source))
cont = srcnode.find_next_siblings('p', class_='articleParagraph
enarticleParagraph')
contents = '\n'.join([c.get_text() for c in cont])
print("Contents: {0}".format(contents))
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;])
print url
html = urlopen(url).read()
fn = generate_filename(url)
with open(fn, 'wb') as outfile:
outfile.write(html)
####
You should add a more intelligent filename generator, filter out mail:
urls and possibly others and add
expressions, so this helps. We don't
have to emulate booleans and conditions with weird lambda expressions.
In Python's lambda expressions you can not use statements, only
expressions, so without conditional expressiosn Python's booleans
wouldn't be very useful.
The rema
nside a lambda expression,
so this makes all this even nicer.
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address) and certain Microsoft programs use that to display as
the From address instead of the real From address. It's against the
rules, but then, Microsoft makes its own rules and who is going to stop
them?
And maybe there are other mail programs that do the same. AFAIK there is
no way to get rid of that Sender line.
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s an error in the transmission, error messages should go to
Charles.
At least that is what the RFC's say. And I think that is the logical way
to do it. Now some Microsoft mail programs will send replies to Charles,
which is incorrect.
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PGP
,
SUBJECT ) + MESSAGE + "\r\n"
You could even change that to:
MESSAGE = "From: %s\r\n" + "To: %s\r\n" + "Subject: %s\r\n\r\n%s\r\n" % (FROM,
TO, SUBJECT, MESSAGE)
which I think is nicer.
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he sent email, as this is something
Gmail automatically provides. Maybe as some kind of spam detector, which
is reasonable. Actually providing the Sender in situations like this is
what the RFC requires, so Gmail is totally, completely correct in doing
this. The problem is completely on the rec
, let it show all headers. Or if you don't
trust that, just let the mail be sent to me. I can see exactly how it is.
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Piet van Oostrum writes:
> Ferrous Cranus writes:
>
>> I this hoq you mean?
> [...]
>>
>> SUBJECT = u"Mail από τον επισκέπτη: ( %s )" % FROM
>>
>> MESSAGE = &qu
. Comments begin at any #
> character that is not inside a string (something inside ' or " pairs).
You could consider this a kind of nested comment :)
# if condition:
# # calculate the amount
# amount = sum(parts)
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# send the mail
> server.sendmail( MESSAGE )
>
> both fail.
The first thing you should do then is to look up the documentation of
sendmail. http://docs.python.org/ has a good index where you can look
for sendmail.
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t all ticks are deliverd. In my system, only one tick
per thread, and then it disappears. I have no idea if this is a bug. I
certainly couldn't find it documented.
The solution to this is to put a join statement in gogo:
def gogo(qu):
w = Worker(qu)
w.start()
w.join()
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Piet van Oostrum writes:
> def run(self):
> for n in range(5):
> self.que.put('%s tick %d' % (self._pid, n))
> # do some work
> time.sleep(1)
> self.que.put('%s has exited' % self._pid)
To preven
olution would be to filter your mesaage through
procmail or similar on your receiving computer. For example put the from
address in an X-From header and let the filter replace the From header
with the address from the X-From.
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d
value to be lost and the file probably to be closed. Just messy.
print("writing %s" % str(keys[0])+pasw)
f.write(str(keys[0])+pasw)
f.close()
else:
hesin=0
And how are people supposed to guess an 8 character password? Are they
supposed to do that weird calculation on their calculators or some such?
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there are none. And you would have a lot more
peace of mind if you stopped doing this.
[*] array in the C sense.
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)
msg = self.q.get()
print(msg)
if 'END' in msg:
break
..main..
processes = []
for i in range(5):
d = Process(target=Worker, args=(debug_q,))
d.start()
processes.append(d)
for p in processes:
user. If you use an internet connection then
of course you can keep the relevant data outside of the reach of the
user.
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isking that temporarily your email cannot be delivered.
I think you should give up this unholy idea, and just stick with the standard.
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ultiprocessing.current_process().name
My advice would be to just do the GUI in the main module, and if the
Action needs more time, the create a new Thread or Process in the Action
class.
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. Very, very long files usually are not a good idea.
Also you imported multiprocessing through anothe module. This obscures
the structure of the application, and is unnecesary. You should only
access a module through another module if you add a layer of abstraction
that makes it easier or more
ater. But if I am correct then the following might
work:
\newcommand{\filename}{}
\edef\filename{\py{outputfile}}
\includegraphics[scale=0.75]{\filename}
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ion. The only difference is Fedora 18 v
> Fedora 17.
>
> The BOMs are certainly there:
>
> <86> %R 10C0203z-621
> %A François-Xavier Le_Bourdonnec
>
> 000 206 255 373 % R 1 0 C 0 2 0 3 z -
>
That is not a BOM or SIG. It isn't
ADDR'] )[0] or
> UnKnown Host'
>^
> SyntaxError: invalid syntax
>
>
> i dont see anything wrong with that line, and the carret is actually
> pointing to the "host".
There is an apostrophe (') missing before UnKnown.
host = socket.gethostbyaddr(
python-requests.org/en/latest/) or
the Uploading Files part from Doug Hellmann's page
(http://doughellmann.com/2009/07/pymotw-urllib2-library-for-opening-urls.html).
This is for Python2; I can send you a Python3 version if you want.
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PGP k
hars are
> returned as single characters, so there is no need to peek ahead and the
> lineno is not altered.
>
> In short: this looks like an implementation accident.
I think shlex should be changed to give the line number of the start of
the token in self.lineno. It isn't
> point you react that you want to get to Londen without boat
> or plane but just by bicycle. And in further exchange make it
> clear that using a bike is more important than arriving in London.
And then the easiests would be to put your bicycle in the train.
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les?
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ding:
import codecs
sys.stdout = codecs.getwriter("utf-8")(sys.stdout.detach())
[Note: I haven't tested this]
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is
> bullshit.
Tail recursion optimization throws away valuable stack trace information in
case of an error.
> 2. Lambda-expression body is limited to one expression. Why ?
Allowing general statements in a lambda body makes indentation more difficult,
I think.
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W
Antoon Pardon writes:
> Op 30-09-13 20:55, Piet van Oostrum schreef:
>> Franck Ditter writes:
>>
>>> Good approach of FP in Python, but two points make me crazy :
>>> 1. Tail recursion is not optimized. We are in 2013, why ? This is known
>>> technolo
FILE ON MY
> ACCOUNT?
>
> PLEASE ANSWER ME, I WONT GET MAD, BUT THIS IS AN IMPORTANT SECURITY RISK.
>
> SOMEONES MUST HAVE ACCESS TO MY ACCOUNT, DOES THE SOURCE CODE OF MY MAIN
> PYTHON SCRIPT APPEARS SOMEPLACE AGAIN?!?!
These questions show that the one who put that
FILE ON MY
> ACCOUNT?
>
> PLEASE ANSWER ME, I WONT GET MAD, BUT THIS IS AN IMPORTANT SECURITY RISK.
>
> SOMEONES MUST HAVE ACCESS TO MY ACCOUNT, DOES THE SOURCE CODE OF MY MAIN
> PYTHON SCRIPT APPEARS SOMEPLACE AGAIN?!?!
This shows that the warning was correct.
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also find it interesting to
solve Python problems.
I did not like Nikos' arrogance, ignorance and his refusal to use perfectly
good solutions.
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ist now, thanks again.
Also make sure that l_ip and l_result are Queues instead of lists, as MRAB
suggested.
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sing, and
also to study the underlying computer science concepts.
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7;'.join(tulemus2), and then to convert it to a string you have to specify
the encoding, which should be 'ascii', as you say it is ASCII.
str(b''.join(tulemus2), 'ascii')
or
b''.join(tulemus2).decode('ascii')
But note: If your
\\', b'r', b'3',
> b'\x1f', b'V', b's', b'9', b'\x1d']
>
> the Key- is the key im using to decrypt the code. everything else is
> generated by the decrytion process and the unhexlify command. So my guess is,
> the join command cant handle the b"u" type of format. how can i get rid of
> the b.
>
> Or does anyone have a better idea how to translate HEX into ASCII and sort
> out the lines that make sense
Why do you post the same question twice under different subjects?
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nd
convert them one after one if you think it is necessary. For example a script
that is seldom used can stay as CGI script.
And last but not least: not every Apache installation has mod-wsgi enabled. I
think most hosting providers don't.
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oint with xxx = b''.join(tulemus2), and then you have
another byte string. If you are sure this is ASCII (which means all bytes are <
128), the you can convert it to a string with str(xxx, 'ascii') or
xxx.decode('ascii'). If there are bytes > 127 then you ha
Alain Ketterlin writes:
> BTW, does the original callable object have a ref counter? Is it garbage
> collected in that case? If not, would it be considered a bug?
In CPython ALL objects have ref counters.
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mputation are you talking about? And what magica;
effects? AFAIK there is no magic in computer science, although every
sufficiently advanced ...
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ll optimization there is no
need to do tail recursion optimization.
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(7)()
> -> pattern = re.compile(r'(?P\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s+'
> (Pdb) n
>> /Users/user/Documents/Python/apache.py(17)()
> -> match = re.search(pattern, string)
> (Pdb)
Also as Andreas has noted the r'(?P\"\")\s+' part is wrong. It should
probably be
r'(?P\".*?\")\s+'
And the r'(?P\((.*?)\))') will also not match as there is text outside
the (). Should probably also be
r'(?P\".*?\")') or something like it.
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65 # this cookie will
> expire in a year
>
As Ian already has told you (but apparently you didn't pay attention to), your
expires is wrong. So if your cookies disappear you should get this right first.
from datetime import datetime, timedelta
expiretime = datetime.u
in this area). In Python, however, you can define the __call__
method and with this they become almost identical in behaviour.
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27;c:/testfile.h5'
filename = 'c:\\testfile.h5'
filename = r'c:\testfile.h5'
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h the same problem posted a smaller, more complete example here:
>
Then you should give us real code (a minimal example) that we can try. You use
myFunction in your example that isn't defined in your code. And by the way, why
don't you close f just after reading? Or even better, use
therefore
_WorldProper is not defined.
from import * is considered bad practice anyway. It is better just to import
the things you need.
from pykkar import World, Pykkar, _WorldProper
I have looked a bit in this pykkar.py and I think it is badly structured for
extension. The three classes
e Python will serve you just fine! Check out the threading
> module, knock together a quick test, and spin it up!
But it only works if the external C library has been written to release
the GIL around the long computations. If not, then the OP could try to
write a wrapper around them that does th
more help. But you can do everything you want with 2.x, I think.
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ditions.
File locking is generally the best solution for this kind of problems, unless
you can make use of OS level semaphores.
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can be done in a platform independent
way without the risk of race conditions. Maybe I have to find out.
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Skip Montanaro writes:
> I don't have the time or inclination to continue supporting lockfile (
> https://pypi.python.org/
> pypi/lockfile/). If you'd like to take it over, let me know.
>
> Skip
Hi Skip,
I am interested.
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cc, that I did not
know) and used it to generate a parser for Algol 68.
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socket.setdefaulttimeout(5)
>
> and it didn't make any difference.
>
> In both cases, Python version is "Python 2.7.3".
>
> Am I missing something ?
>
I would guess the difference to be caused by DNS. Maybe the DNS configuration
on the RPi is not optimal.
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IRC Lisp uses % for comments, but it may need to be doubled. (It's
> been doubled in the examples I've seen, and I don't remember the
> syntax.)
> Perhaps Scheme has the same convention, but Scheme could be considered a
> part of the Lisp clade.
Lisp and scheme use
ll due respect, Mark, your remarks are rubbish. Nobody talked about
parsing input with binary switches except you. I answered that 40 years ago I
wrote a parser generator that generated a parser for Algol 68 (and another one
for Algol 60 I should have added). And all this was using punched cards.
ors that translated into pure C
code, which was then compiled with a C compiler. The resulting intermediate C
code would be an object-oriented program in C. IIRC, the C code was reasonably
clear, not really convoluted, so you would have been able to write it yourself.
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Piet van Oostrum
WWW: http://piet
t.show()
>
> I would like to place markers on the 4 curves when the price is equal to $20
> label it A, and when the price is equal to $40 and label it B. Does anyone
> know how I can accomplish this.
Something like:
plt.plot(20,40, 'bo')
plt.annotate('B', (20,40), xytex
with tcl.h from
Tcl 8.5
lipo: can't figure out the architecture type of:
/var/folders/5r/5r4ywY4e2ReN7U+8ZPQSJTI/-Tmp-//ccXN6p4b.out
error: command 'gcc-4.2' failed with exit status 1
You have new mail in /var/mail/piet
bash-3.2$ hg ftp -su
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Piet van Oostrum
WWW: http://pietvanoostrum.com/
PGP key: [8DAE142BE17999C4]
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Ned Deily writes:
> In article ,
> Piet van Oostrum wrote:
>> I tried to install it from source, on Mac OS X 10.6.8, with Python
>> 3.3.2, and Tck/Tk 8.5 installed as Frameworks, but I get an error during
>> compilation. It seems it doesn't find the Tcl/TK f
could make it easy.
A language specification in BNF is just syntax. It doesn't say anything
about semantics. So how could this be used to produce executable C code
for a program? BNF is used to produce parsers. But a parser isn't
sufficient.
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Piet van Oostrum
WWW: http://pietvanoos
kens relate to each other.
Syntax is grammar. Tokens are part of the grammar (but often specified
separately with a different grammar, usually regular expressions, which is a
subset of BNF).
So are you just confused or are you trollong?
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Piet van Oostrum
WWW: http://pietvanoostrum.com/
PGP key: [8DAE142BE17999C4]
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Neil Cerutti writes:
>
> Context-sensitive grammars can be parse, too.
>
That's not English. Do you mean "parsed"?
But context-sentitive grammars cannot be specified by BNF.
--
Piet van Oostrum
WWW: http://pietvanoostrum.com/
PGP key: [8DAE142BE17999C4]
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https:/
mplete, it is not clear that
> you will be able to compile it at all. That's the difference between
> a calculator and a computer.
You think a language that is not Turing-complete cannot be compiled?
What nonsense is that. Please Mark, spare us your nonsense.
--
Piet van Oostrum
> functionality differ, Do you have experience with objective usage ?
> http://docs.python.org/2/library/functools.html#partial-objects
>
What do you mean with "objective usage"?
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Piet van Oostrum
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PGP key: [8DAE142BE17999C4]
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my internet connection and then trying
both the back button and entering the URL in the address bar. So it has nothing
to do with referrer, I think.
--
Piet van Oostrum
WWW: http://pietvanoostrum.com/
PGP key: [8DAE142BE17999C4]
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Piet van Oostrum writes:
> Νίκος Αλεξόπουλος writes:
>
>> There is no set of cookie returned back when visitor comes from a referer.
>>
>> Isn't this strange?
>> No matter if you visit a webpage as a direct hit or via a referer the
>> cookie on the v
he condition every time through the for loop, even though there
> is no chance for needs_processing to change inside the loop, which does not
> look very efficient.
I bet in most cases you won't notice the time used to check the condition.
Beware of premature optimization!
--
Piet van Oost
sking for
evidence you know you will never get.
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Piet van Oostrum
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PGP key: [8DAE142BE17999C4]
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ython should also include the Tcl/Tk header files.
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Piet van Oostrum
WWW: http://pietvanoostrum.com/
PGP key: [8DAE142BE17999C4]
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CONVERT FROM LISTS TO LONG STRINGS SO I CAN STORE SUCCESSFULLY LIST
> PYTHON DATATYPE TO MYSQL SCALAR STRING.
>
> EVERYHTIGN I TRIED FAILED.
Then why don't you use the simple solution: use a relational database to store
the data?
--
Piet van Oostrum
WWW: http://pietvanoostrum.c
returns None. So the print
sequence_b(10) dosn't make sense.
If the print is only for debugging the use the following:
def sequence_b(N):
result = 0
for k in range (1,N):
step = ((-1)**(k+1))/(2*k-1)
print(step) ## debug output
result += step
return result
use an extra table of downlaods that i asoociate with table
> visitors with a foreing key but decided to add an additional 'download'
> column into the existant visitors table:
Nikos, you are an excellent member of the Greek society. Listening to you makes
it so much easier to under
Sibylle Koczian writes:
> Am 07.11.2013 14:14, schrieb Piet van Oostrum:
>> Nick the Gr33k writes:
>>
>>> I have decided to take your advice.
>>> I wasn't able to fit those 'lists' of mine into MySQL's varchar()
>>> datatype afte
',
'#9 /\n58#0#',
'10178#000#C S#S#124##001##DAY#Computer
Systems#Roper,\nPaul#3#MWF#11:00am#11:50am#1170 TMCB ',
'#41 /\n145#0#',
'10178#000#C S#S#124##002##DAY#Computer
Systems#Roper,\nPaul#3#MWF#2:00pm#2:50pm#1170 TMCB ',
'#40 /\n120#0#
On 3/2/2015 10:17 AM, Charles Heizer wrote:
Hello,
I'm new to python and I'm trying to find the right way to solve this issue I
have.
I'm trying to sort this list by name and then by version numbers. The problem
I'm having is that I can not get the version numbers sorted with the highest at
t
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