ised from various distros which are apparently making
changes to 2.7 which change the external behaviour eg spelling corrections to
attribute names. Could this be one of those?
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xxsubtype.c. They may give you some idea of how to proceed. Of course all the
other .c codes in there are the actual extensions that Python uses so they are
also good examples.
I started with "Extending and Embedding the Python Interpreter" from the python
documentation thou
vascript
file(s) might work.
Has anyone done this in twisted pymiproxy etc etc?
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print 20*'#','END n=%s'%n,20*'#','\n\n'
if __name__=='__main__':
if len(sys.argv)==1:
N = [86000]
else:
N = map(int,sys.argv[1:])
for n in N:
main(n)
#
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On 30/01/2013 15:49, Chris Angelico wrote:
On Thu, Jan 31, 2013 at 1:58 AM, Robin Becker wrote:
however, when I tried an experiment in python 2.7 using the script below I
find that the looping algorithms perform better. A naive loop using list +=
list would appear to be an O(n**2) operation
return self.do_open(self.specialized_conn_class, req)
def secureDataGet(uri,ca_certs='cacert.pem',key_file=None,cert_file=None,
explicit_check=False):
https_handler = SecuredHTTPSHandler(key_file=key_file,cert_file=cert_file,
ca_certs=ca_certs,explicit_check=explicit_check)
e process is switched to fastcgi and the
initialization is only carried out once and then say 50 rrr values are generated.
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stic and such a scheme is useless. If I use cgi then we're
re-initializing the sequence hopefully using some other unrelated randomness for
each number.
Uuid apparently uses machine internals etc etc to try and produce randomness,
but urandom and similar can block so are probably not entir
/dev/urandom does not block, that's the point of it as compared to /
dev/random.
Jean-Paul
my mistake, I thought it was the other way round, on FreeBSD they're the same
anyway which is what we test on.
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ropy might run out
or something like that so reading from /dev/urandom always was not a good idea.
FreeBSD re-uses the entropy, but the end target is Solaris so I'm not really
sure about the details of /dev/urandom.
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eimal for stuff like that, unless
the number of chars is a significant problem. Go for a more complicated
encoding if you must.
we have been using base62 ie 0-9A-Za-z just to reduce the name length.
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barcode value. So when you draw the barcode you also need to add
the magic string using some prefix/postfix that allows easy extraction with
pypdf or similar eg
"===radamajfisa===123456789===radamajfisa===". Your text extractor should be
able to find this without too much trouble.
--
Ro
On 03/07/2011 23:21, Chris Angelico wrote:
.
var(0x14205359) x # Don't forget to provide an address where the
object will be located
x=42
did you forget to specify the memory bank and computer (and presumably planet
etc etc)
-molly-coddled-ly yrs-
Robin Becker
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On 05/07/2011 16:33, nn wrote:
..
Ah, I see we have a mainframe programmer among us ... :-)
so long since I manipulated the switches of that old pdp-8
-anciently yrs-
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x27;reportlab.graphics',
'reportlab.lib',
'reportlab.pdfbase',
'reportlab.pdfgen',
'reportlab.platyp
in
finite precision the eigenvalues require infinite precision.
Eigenvalues are roots of a polynomial in the elements and root solving may
require an infinite number of steps so it will be difficult with arbitrary
matrices to keep arbitrary precision.
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nvas.drawString
and similar. There you need to use either unicode or a utf8 encoded byte string.
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an import is required during the last request.
Normally the upgrade process is supposed to move software into place and then
new data and then restart the fastcgi scripts; for whatever reason the error
seems to have been that the process was restarted with old data around.
Any ideas?
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Ro
me kind of
interfaces (contracts I think), but it needs net or mono.
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this fail only on windows 8?
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On 12/09/2017 08:35, dieter wrote:
Robin Becker writes:
Certificate verification generally depends on local configuration:
specifically, the set of installed trusted root certificates.
I do not know about Windows, but often the root certificates installed
for other packages, e.g. the browser
;
100 loops, best of 3: 0.504 usec per loop
C:\usr\share\robin\pythonDoc>python -m timeit -s"values=(None,2,None)" "None in
values"
1000 loops, best of 3: 0.0309 usec per loop
C:\usr\share\robin\pythonDoc>python -m timeit -s"values=(1,2,None)" "None
On 20/09/2017 10:54, Chris Angelico wrote:
What, you take silicon that someone else created?!
ChrisA
well I had germanium for flipflops and dekatron tubes with neon for counters
never built anything digital with valves though
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l
117
C:\Python36\Lib>grep "while True" *.py | wc -l
131
C:\Python36\Lib>grep "while 1" *.py | wc -l
44
How much does the while True actually cost compared to nothing?
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On 04/10/2017 11:57, Rhodri James wrote:
On 04/10/17 10:01, Robin Becker wrote:
Given the prevalence of the loop and a half idea in python I wonder why we
don't have a "do" or "loop" statement to start loops without a test.
See PEP 315. Guido's rejection note is
take a syntax we are famillar with?
It can look like a function
x = 3
del(x)
x
Traceback (most recent call last):
File "", line 1, in
NameError: name 'x' is not defined
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about determining what tests to use?
A particular problem might be dynamic in that the list may be being constructed
from the probes.
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On 19/10/2017 16:42, Stefan Ram wrote:
Robin Becker writes:
Presumably the information in any attribute is highest
if the number of distinct occurrences is the the same as the list length and
pairs of attributes are more likely to be unique, but is there some proper way
On 19/10/2017 17:50, Stefan Ram wrote:
Robin Becker writes:
...
this sort of makes sense for single attributes, but ignores the possibility of
combining the attributes to make the checks more discerning.
What I wrote also applies to compound attributes
(sets of base attributes
setattr(fd, when, attrs.as_list())
error is here
class Term(TermState):
TS__init__ = TermState.__init__
def __init__(self, fd=0):
self.TS__init__(termios.tcgetattr(fd))
self.fd = fd
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nd of background app with listening sockets etc etc? Can applications call
out to the world to download updated templates and so on?
Any pointers would be useful.
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On 17/12/2017 06:41, Abdur-Rahmaan Janhangeer wrote:
Hi all,
Can somebody point out to me some py-based template languages interpreters
resources?
Thank you !
https://bitbucket.org/rptlab/preppy
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ard way to deal with these?
I assume that some browser+settings combination is putting these in eg perhaps
the language is normally right to left but numbers are not.
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On 02/01/2018 15:18, Chris Angelico wrote:
On Wed, Jan 3, 2018 at 1:30 AM, Robin Becker wrote:
I'm seeing some strange characters in web responses eg
u'\u200e28\u200e/\u200e09\u200e/\u200e1962'
for a date of birth. The code \u200e is LEFT-TO-RIGHT MARK according to
unicodedata
http://aosabook.org/en/500L/a-python-interpreter-written-in-python.html
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hon programs to get this
kind of reputation.
Anyone know if the same happens with PyInstaller etc etc?
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On 28/02/2018 11:46, alister via Python-list wrote:
On Wed, 28 Feb 2018 09:53:09 +, Robin Becker wrote:
I see this has happened to others in the past. I'm using 32 bit python
2.7.10 with py2exe 3.3 on windows 7. The exes work fine,
but when I try to download into windows 10 I'm g
On 28/02/2018 16:25, Hartmut Goebel wrote:
Am 28.02.2018 um 16:47 schrieb Robin Becker:
I upgraded pyinstaller using the very latest pip and now the version
of pyinstaller at least is 3.3.1. I don't actually know how to check
the validity of the installed code or the binary stubs.
The cu
py312) robin@minikat:~/devel/reportlab
DC.a is supposed to be a str and I expected mypy to indicate a type error
should typing work for this case?
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d mypy 0.910 and I still don't get an error.
I'll break out the windows 10 laptop and see what happens there.
You ran with the py runner. I wonder if that does something special.
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lso finds the real typing error.
So it seems the tool fails in the simplest cases if you forget some typing.
Interesting that it works in windows without --strict though.
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like I have to use a different mechanism to setup custom types in the
abi3 world.
I looked in Modules/xxlimited_35.c, but that seems much more complex and
provides for a type which supports GC.
Are there any ABI3 examples using the old style strategy?
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On 08/12/2022 12:52, Robin Becker wrote:
I am trying to split off reportlab C extensions to simplify installations and
make use of more advanced packages.
A simple extension is easily converted to being an abi3 module. However, another has a custom type which uses the old
style mechanisms
simple workaround.
Anyone know how to get around this problem. I did try rebuilding the cpython
stuff using make, but that also failed.
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installing into
python-3.12.0a5 I used latest lxml source and
python setup.py bdist_wheel --with-cython
which built without error. The installed lxml seems fine (at least for
reportlab tests).
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Wouters
Ned Deily
Steve Dower
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On 22/05/2023 22:04, Thomas Wouters wrote:
> I'm pleased to announce the release of Python 3.12 beta 1 (and feature
> freeze for Python 3.12).
>
...
I see a major difference between 3.12.0a7 and 3.12.0b1
Basically in preppy an importer is defined to handle imports of '.prep' files.
This work
On 25/05/2023 12:23, Robin Becker wrote:
On 22/05/2023 22:04, Thomas Wouters wrote:
> I'm pleased to announce the release of Python 3.12 beta 1 (and feature
> freeze for Python 3.12).
>
...
I see a major difference between 3.12.0a7 and 3.12.0b1
Basically in preppy an impor
I have a segfault in the 3.10 alpha 4 when running the reportlab document generation; all the other tests seem to have
worked. I would like to ask experts here how to approach getting the location of the problem. I run recent archlinux.
Below is the output of a test run with -Xdev -Xtracemalloc
things
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I googled in vain for instances where parts of idlelib are re-used in a simplistic way. I would like to use the editor
functionality in a tkinter window and also probably run code in a subprocess.
Are there any examples around that do these sorts of things?
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Thanks,
On 28/01/2021 19:57, Terry Reedy wrote:
On 1/28/2021 5:53 AM, Robin Becker wrote:
I googled in vain for instances where parts of idlelib are re-used in a simplistic way. I would like to use the editor
functionality in a tkinter window and also probably run code in a subprocess.
Are
roduces
is an A
is a type
<__main__.A object at 0x7fe5a2248fd0> is an A instance
<__main__.B object at 0x7fe5a2248fd0> is an instance
is this the right approach to this problem of distinguishing instances ?
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he self writing script
python find-tomorrows-lotto-numbers.py
since GvR has been shown to have time traveling abilities such a script could
paradoxically appear acausally.
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On 12/05/2021 20:17, Mirko via Python-list wrote:
Am 12.05.2021 um 20:41 schrieb Robin Becker:
...
...
since GvR has been shown to have time traveling abilities such a
script could paradoxically appear acausally.
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Robin Becker
Not sure, if that's
uild/env.py", line
92, in __enter__
> executable, scripts_dir = _create_isolated_env_venv(self._path)
> File "/home/user/devel/reportlab/.py39/lib/python3.9/site-packages/build/env.py", line 221, in
_create_isolated_env_venv
> pip_distribution = next(iter(metad
auth value?
As an additional issue I find I have no clear idea what encoding is allowed for
the components of a basic auth input.
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equests package or 2) setting up an opener.
Both of these seem to be much more complex than is required to add the header.
I thought there might be a shortcut or more elegant way to replace the old
code, but it seems not
thanks
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is
xml file 014.xml
]>
&e;\xef\xbb\xbfdata'
which implies seems as though the extra BOM in the entity has been kept and
processed into a different BOM meaning utf8.
I think the test file is wrong and that multiple BOM chars in the entiry should
have been removed.
Am I rig
I might use the __module__ to locate the module object via PyImport_GetModuleDict.
Any expertise or advice gratefully received.
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rt_GetModule, but that seems more complex than is actually required for this simple case
and has to wait until 3.6 dies for me :(
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I'm having a problem using lxml.etree to make a treebuilding parser that validates; I have test code where invalid xml
is detected and an error raised when the line below target=ET.TreeBuilder(), is commented out.
The validation error looks as expected > python tlxml.py invalid.rml
re.compile(
On 02/11/2021 12:55, Robin Becker wrote:
I'm having a problem using lxml.etree to make a treebuilding parser that validates; I have test code where invalid xml
is detected and an error raised when the line below target=ET.TreeBuilder(), is commented out.
.
I managed to overcome
g
xxml=b'a &mysym; < & >
! A'
ET.tostring(tree)=b'a &mysym; < &
> ! A'
using attributes
tree.text='a &mysym; < & > ! A'
tree.getchildren()=[]
tree.tail=None
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On 12/01/2022 20:49, Dieter Maurer wrote:
...
when run I see this
$ python tmp/tlp.py
using tostring
xxml=b'a &mysym;
< & >
! A'
ET.tostring(tree)=b'a
&mysym; < &
> ! A'
using attributes
tree.text='a &mysym; < & > ! A'
tree.getchildren(
On 13/01/2022 09:29, Dieter Maurer wrote:
Robin Becker wrote at 2022-1-13 09:13 +:
On 12/01/2022 20:49, Dieter Maurer wrote:
...
Apparently, the `resolve_entities=False` was not effective: otherwise,
your tree content should have more structure (especially some
entity reference children
I'm using lxml.etree.XMLParser and would like to distinguish
from
I seem to have e.getchildren()==[] and e.text==None for both cases. Is there a
way to get the first to have e.text==''
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On 02/03/2022 18:39, Dieter Maurer wrote:
Robin Becker wrote at 2022-3-2 15:32 +:
I'm using lxml.etree.XMLParser and would like to distinguish
from
I seem to have e.getchildren()==[] and e.text==None for both cases. Is there a
way to get the first to have e.text==''
hing is compiled for arm64, but gcc
doesn't want to use an arm64 dylib.
Can macos experts assist?
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On 08/03/2022 16:08, Christian Gollwitzer wrote:
Am 07.03.22 um 17:22 schrieb Robin Becker:
I use brew to install freetype version 2.11.1.
I find via google that homebrew/apple have split the installation of intel and arm64 into /usr/local and /opt/homebrew
so I must modify the include_dirs
many years) at
https://pairlist2.pair.net/mailman/listinfo/reportlab-users
is that the address you used? I see messages in the archives so some people can
use it.--
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..
Hi Les, so far as I know the reportlab-users list is still running it is hosted
(nad has been for many years) at
https://pairlist2.pair.net/mailman/listinfo/reportlab-users
is that the address you used? I see messages in the archives so some people can
use it.--
Robin Becker
On 15/03/2022 13:20, Les wrote:
Robin Becker ezt írta (időpont: 2022. márc. 15., K,
14:06):
Hi Les, so far as I know the reportlab-users list is still running it is
hosted (nad has been for many years) at
https://pairlist2.pair.net/mailman/listinfo/reportlab-users
is that the address you
upon receipt.
Do you realize how stupid it is to put this on a message sent all around
the world?
I have worked places where they put stuff like this at the bottom of emails sent
to the person sitting next to them :)
-raising entropy-ly yrs-
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omewhat moot under such assumptions.
Also presumably there are other constructions of 'our' familiar arithmetic.
Perhaps someone could probably make an arithmetic where most of standard ZF is
true except for 1<2. Gödel definitely says there are holes in arithmetic :)
-possibly non-
)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
import sys
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hat functionality safely.
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py:81: RuntimeWarning:
Config variable 'WITH_PYMALLOC' is unset,
Python ABI tag may be incorrect
warn=(impl == 'cp')):
I guess this must mean I need to set something somewhere, but what?
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is give different outcomes, but both appear to be a correct mapping of
non-negative integers to triplets.
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On 12/03/2018 13:17, Robin Becker wrote:
It's possible to generalize the cantor pairing function to triples, but that may not give you what you want. Effectively you can
generate an arbitrary number of triples using an iterative method. My sample code looked like this
ct mapping o
On 12/03/2018 18:05, Chris Angelico wrote:
On Tue, Mar 13, 2018 at 2:54 AM, Robin Becker wrote:
On 12/03/2018 13:17, Robin Becker wrote:
An alternative approach gives more orderly sequences using a variable base
number construction
4 (0, 0, 1)
9 (0, 0, 1)
18 (0, 0, 2)
32 (0, 0, 2)
I spy
On 13/03/2018 11:14, Steven D'Aprano wrote:
On Mon, 12 Mar 2018 13:17:15 +0000, Robin Becker wrote:
It's possible to generalize the cantor pairing function to triples, but
that may not give you what you want. Effectively you can generate an
arbitrary number of triples using an iterat
or "license" for more information.
>>> s = '0123456789'
>>> print(repr(s[-5:5]))
''
>>> print(repr(s[5:15]))
'56789'
>>>
why is the underflow start index treated so differently from the limit index overflow? I suppose there must be some reason, but it
eludes me.
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ght dawned :) seems the negative indexes rules apply to both
On 20/03/2018 14:21, Robin Becker wrote:
I don't know how I never came across this before, but there's a curious
asymmetry in the way ranges are limited
Python 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.19
toBasics.html
Since that's exactly what I need to do, that might be a problem.
On the other hand, I doubt I'll need to generate more than a few thousand
of these, so it might be fast enough. I guess I have to run some
benchmarks to find out.
But however they turn out, I appreciate your
signal.SIGALRM,signal.SIG_IGN)
print("You entered: ", data)
for i in reversed(xrange(15)):
print i
time.sleep(1)
print 'finished!'
if I leave out the signal.signal(signal.SIGALRM,signal.SIG_IGN) then the
timeout function gets called anyway.
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mp; make install
Something in setup.py seems to want ctypes irrespective of what I give to configure; I don't actually know what the alternative to
--with-system-ffi does, but it didn't work for me.
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work. It might be that make silently allows extension builds to fail even if they are 'required' and
that later causes an error in the install phase.
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a compiler" and one
will be provided, of course by that time they will all have forgotten about eating berries in favour of soma or equivalent.
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long, but that seems a bit flaky.
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On 17/07/2018 10:32, Chris Angelico wrote:
..
All you gotta do is solve the halting problem...
https://en.wikipedia.org/wiki/Halting_problem
ChrisA
ah so it's easy :)
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On 17/07/2018 12:16, Cameron Simpson wrote:
On 17Jul2018 10:10, Robin Becker wrote:
A user reported an infinite loop in reportlab. I determined a possible cause and fix and would like to test for absence of the
loop. Is there any way to check for presence/absence of an infinite loop in python
lity, but
obviously the implementation seems to be comparing b'a' with 'a' (I suppose because they hash to the same chain).
Is this code erroneous or is the warning spurious or wrong?
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On 31/07/2018 09:16, Paul Moore wrote:
On 31 July 2018 at 08:40, Robin Becker wrote:
A bitbucket user complains that python 3.6.6 with -Wall -b prints warnings
for some reportlab code; the
example boils down to the following
##
C:\code\hg-repos\reportlab\tmp>cat tb.py
if __nam
On 31/07/2018 16:52, Chris Angelico wrote:
On Wed, Aug 1, 2018 at 1:28 AM, MRAB wrote:
On 2018-07-31 08:40, Robin Becker wrote:
A bitbucket user complains that python 3.6.6 with -Wall -b prints warnings
.
The warning looks wrong to be.
In Python 2, u'a' and b&#
On 01/08/2018 09:52, Chris Angelico wrote:
On Wed, Aug 1, 2018 at 6:36 PM, Robin Becker wrote:
On 31/07/2018 16:52, Chris Angelico wrote:
..
it says explicitly that numeric keys will use numeric comparison, but no
.
Technically, the comparison used is:
a is b or a == b
you let
the matter rest for a day or so, and then look at it with a fresh eye.
..
my bad; not worrying enough about real problems
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tb1.py
{'a': 1, b'a': 1}
{b'a': 1, 'a': 1}
I expected one of the assignments to warn.
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rom this dictionary assignment. Probably the code needs tightening
so that we insist on using native strings everywhere; that's quite hard for py2/3 compatible code.
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to find more issues.
In other cases it might detect sources of bugs, so IMHO it's better to have
a close look at and possibly rewrite code that triggers the warning rather
than to disable it.
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