reasons for the current strict policy in Distutils? Can it
be changed?
Lorenzo Gatti
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Joseph Garvin wrote:
> I'm curious -- what is everyone's favorite trick from a non-python
> language? And -- why isn't it in Python?
Duff's device is a classic masterpiece of lateral thinking.
It is not possible in Python for many fundamental reasons, we are not
at risk
stroke model
like Postscript's and a whole world of other things. There are many
complex features in Python that shouldn't be introduced before the need
arises.
List comprehensions, however, *are* the basic control flow; loops are
much more verbose and they should be used only when necessa
Jim Jones wrote:
> Is there a Python library that would allow me to take a paragraph of text,
> and generate a one or two sentence summary of that paragraph?
There is a OTS wrapper.
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ic way to deal with these corner cases was available, and
unsystematic ways (with greedy and reluctant quantifiers) were too
complex.
I ended up eliminating regular expressions completely and building a
dynamic programming parser that returns the set of all match lengths;
it wasn't hard an
bottom-up context-free
language parsing like Earley or Tomita's algorithms; for reasonable
languages most locations can be excluded for most rules at the
beginning, with great performance improvements over trying over and
over again.
Lorenzo Gatti
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e a fixed match length.
Which is the longest of, for example, /(abc)?def/ and /(def)?ghi/
depends on the input.
Lorenzo Gatti
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Most of the Python interpreter is a shared library, at least on
Windows. The only duplication is in loaded Python code, which includes
only your bot and the libraries it uses. If you have memory problems,
try to do without some libraries or to edit unused parts out of them.
Lorenzo Gatti
> nonspacing marks (Mn), spacing combining marks (Mc), decimal number
> (Nd), and connector punctuations (Pc).
Am I the first to notice how unsuitable these characters are? Many of
these would be utterly invisible ("variation selectors" are Mn) or
displayed out of sequence (overlay
Martin v. Lowis wrote:
> Lorenzo Gatti wrote:
>> Not providing an explicit listing of allowed characters is inexcusable
>> sloppiness.
> That is a deliberate part of the specification. It is intentional that
> it does *not* specify a precise list, but instead defers that lis
g of a GUI application, about 6 JUnit tests, about 3 command
line tools with many complex parameter sets each, and some Ant builds;
it would take about one hour of trial and error to reconstruct the
command lines, classpaths and JVM options. I only run the current file
as a draft for an edited configu
tainers (http://
www.boost.org/libs/multi_index).
The only differences with dict should be the constraint that items(),
keys(), values(), iteritems(), iterkeys(), itervalues() return entries
sorted by key.
Regards,
Lorenzo Gatti
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re many but nicely alphabetized, and map the
country to its only timezone, or for the few large countries with more
than a TZ offer a choice later.
Lorenzo Gatti
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On Jan 25, 9:25 am, "AKA gray asphalt" <[EMAIL PROTECTED]>
wrote:
> I downloaded Blender but there was no link for python. Am I on the right
> track?
Don't worry, Blender includes its own bundled Python interpreter, which
is usually one version behind; just lea
ours of Prolog, as descrived in the classic book by
Clocksin & Mellish.
Regarding the OP, I hope his need for an infix tilde operator is
overestimated; there are plenty of infix operators that can be abused,
and at least one of them should be unused and available for
redefinition.
Lorenzo Gatti
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ibly brittle idea. Use a robust HTML parser (e.g.
http://www.crummy.com/software/BeautifulSoup/) to build a document
tree, then visit it top down and look at the value of the 'class'
attributes.
Regards,
Lorenzo Gatti
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On Saturday, February 17, 2018 at 12:28:29 PM UTC+1, Ben Bacarisse wrote:
> Marko Rauhamaa writes:
>
> > Many people think static typing is key to high quality. I tend to think
> > the reverse is true: the boilerplate of static typing hampers
> > expressivity so much that, on the net, quality suf
On Thursday, June 23, 2016 at 11:03:18 PM UTC+2, David Shi wrote:
> Which one is the best XML-parser?
> Can any one tell me?
> Regards.
> David
Lxml offers lxml.etree.iterparse
(http://lxml.de/tutorial.html#event-driven-parsing), an important combination
of the memory savings of incremental pars
PyGTK is obsolete and stopped at Python 2.7, while PyGObject for Windows is
several versions behind (currently 3.18 vs 3.21) and it doesn't support Python
3.5. Game over for GTK+.
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On Friday, January 4, 2019 at 9:05:11 AM UTC+1, iam...@icloud.com wrote:
> I read that pep 484 type hinting of python has no effect of performance, then
> what’s the purpose of it? Just a toy ?
Having no effect on performance is a good thing; Python is already slowish,
additional runtime type che
Regarding the "select" statement, I think the most "Pythonic" approach is using
dictionaries rather than nested ifs.
Supposing we want to decode abbreviated day names ("mon") to full names
("Monday"):
day_abbr='mon'
day_names_mapping={
'mon':'Monday',
'tue':'Tuesday',
'wed':'Wednesd
ys. Both choices are perfectly good, and routinely made without bothering
other people with inane conversations.
Lorenzo Gatti
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overlaps
between the left-hand side and the right-hand side are `safe' (for
example "a, b = b, a" swaps two variables), overlaps within the
collection of assigned-to variables are not safe! For instance, the
following program prints "[0, 2]":
x = [0, 1]
i = 0
i, x[i] = 1, 2
print x
Lorenzo Gatti
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types.
In C++ one can check dimensions at compile time (http://www.boost.org/
doc/libs/1_36_0/doc/html/boost_units.html) with a modest increase of
cumbersomeness, but Python would need very heavyweight classes
containing a value and its dimension and a replacement of all needed
functions and operat
s central and actual use and design is a
second class citizen. You say in your blog post: "Users shouldn’t have
to pore through the code to find all the little bits they can tweak".
They shouldn't because a well designed application has adequate
documentation of what should be configured in the form of manuals,
wizards, etc. and they shouldn't because they don't want to tweak
little bits, not even if they have to.
Regards,
Lorenzo Gatti
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glVertex2f(x,y)
glEnd()
app.run()
Regards,
Lorenzo Gatti
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de with lenient APIs is the
only way forward; being forced to learn that encodings are important
is better than, say, discovering unrecoverable data corruption in a
working system.
Regards,
Lorenzo Gatti
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e you performed validation) you can also store
the filled-in document that you computed, either as XML or as
serialized Python data structures.
Regards,
Lorenzo Gatti
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graphical output something simpler than an editor (e.g a Graphviz
exporter) might be enough.
3) Maybe workflow processing can grow inside your existing accounting
application without the sort of "big bang" redesign you seem to be
planning; chances are that the needed objects are already
s are that the needed objects are already in place and
you only need to make workflow more explicit and add appropriate new
features.
Regards,
Lorenzo Gatti
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g fish in a small pond
over being part of a community.
If you want to claim a small Python-related corner of the web, you
should write a blog: if it is any good, and probably even if it isn't,
it would be linked and read by someone and it would add to collective
knowledge instead of fragmentin
On Nov 3, 11:37 am, Steven D'Aprano wrote:
> On Tue, 03 Nov 2009 02:11:59 -0800, Lorenzo Gatti wrote:
[...]
> Are you saying that now that comp.lang.python and stackoverflow exists,
> there no more room in the world for any more Python forums?
>
> I think that's terri
oject underway to produce
> PyQT compatible LGPL python bindings under the PySide project.
I also would like to use PySide, but unlike PyQt and Qt itself it
doesn't seem likely to support Windows in the foreseeable future. A
pity, to put it mildly.
Regards,
Lorenzo Gatti
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n't be resumed) after about 2 hours: trial and error
at 1-2 builds per day could take weeks.
Regards,
Lorenzo Gatti
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On Nov 11, 9:48 am, Lorenzo Gatti wrote:
> On a more constructive note, I started to follow the instructions
> athttp://www.pyside.org/docs/pyside/howto-build/index.html(which are
> vague and terse enough to be cross-platform) with Microsoft VC9
> Express.
> Hurdle 0: recompile
you multiply or divide these
coefficients by (N-1)/N the minimum and maximum results for the two
choices can be made identical up to floating point mangling.
Regards,
Lorenzo Gatti
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