Chris Lasher added the comment:
int has int.from_bytes and int.to_bytes.
Currently, bytes has bytes.fromhex. Would the core developers please consider
naming the method bytes.tohex instead of bytes.hex, so there's at least a
modicum of consistency in the method names of Python's builtin types
Changes by Chris Lasher chris.las...@gmail.com:
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New submission from Chris Lasher chris.las...@gmail.com:
argparse supports registering conflicting arguments, however, it does so in a
way that an argument may belong to at most one group of conflicting arguments.
The inspiration for this bug is Stack Overflow question #4770576.
http
New submission from Chris Lasher chris.las...@gmail.com:
Python 2.6 saw the introduction of per user site-packages directory for easy
installation of Python packages into a guaranteed location in which the user
has appropriate permissions.
http://bugs.python.org/issue1799
http
New submission from Chris Lasher chris.las...@gmail.com:
Would it be possible to add an extra option to site.addsitedir so that it
left-appends (inserts at the beginning of the list rather than the end of the
list) to sys.path the new path?
The use case for this is that sometimes the user has
Chris Lasher chris.las...@gmail.com added the comment:
One correction: by beginning of sys.path, what I really mean is, the portion
of sys.path after the initial ''. I forgot that '', the empty path, should
always be at the start of sys.path to ensure that packages and modules in the
current
New submission from Chris Lasher chris.las...@gmail.com:
This question is motivated by a question on Stack Overflow:
http://stackoverflow.com/questions/1824069/urllib2-not-retrieving-entire-http-response
In the event the user receives an incomplete response when using urllib2
(and urllib
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On Jun 15, 5:52 pm, Josiah Carlson [EMAIL PROTECTED]
wrote:
See this implementation of a pair heap:
http://mail.python.org/pipermail/python-dev/2006-November/069845.html
...which offers the ability to update the 'priority' of an entry in the
heap. It requires that the 'value' in (priority,
Hello,
I am working with large graphs (~150,000 to 500,000 nodes) which I
need decompose node-by-node, in order of a node's value. A node's
value is determined by the sum of its edge weights. When a node is
removed from the graph, its neighbors' values must be updated to take
into account the
Should a Python module not intended to be executed have shebang/
hashbang (e.g., #!/usr/bin/env python) or not? I'm used to having a
shebang in every .py file but I recently heard someone argue that
shebangs were only appropriate for Python code intended to be
executable (i.e., run from the
On Apr 4, 5:23 pm, Chris Lasher [EMAIL PROTECTED] wrote:
A friend of mine with a programming background in Java and Perl places
each class in its own separate file in . I informed him that keeping
all related classes together in a single file is more in the Python
idiom than one file per class
A friend of mine with a programming background in Java and Perl places
each class in its own separate file in . I informed him that keeping
all related classes together in a single file is more in the Python
idiom than one file per class. He asked why, and frankly, his valid
question has me
I have submitted this as a bug via SourceForge:
https://sourceforge.net/tracker/?
func=detailatid=105470aid=1689458group_id=5470
or if munged
http://tinyurl.com/2nwxsf
The Python folks would like a test case and/or a patch. This is well
beyond my ken as a humble Python user. Could anybody more
On Mar 27, 5:59 am, [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
I tried on GNU/Linux and Python versions 2.4 and 2.5 and get the same
behavior. Best as I can tell, it looks like a bug in Python. pdb,
pydb, rpdb2 all handle the jump command by changing the frame
f_lineno value. When the
On Mar 27, 6:18 pm, Silfheed [EMAIL PROTECTED] wrote:
Heyas
So we have the following situation: we have a testee.py that we want
to automatically test out and verifiy that it is worthy of being
deployed. We want our tester.py to test the code for testee.py
without changing the code for
Hi all,
I have a simple script:
---
#!/usr/bin/env python
a = 1
b = 2
c = a + b
print c
---
I launch said script with pdb:
python -m pdb simple.py
I noticed that I absolutely cannot jump back to the first statement
(line 3, a = 1) using the jump command. I can jump to any other line
BUT
On Mar 26, 10:48 pm, Christian [EMAIL PROTECTED] wrote:
Traceback (most recent call last):
File setup.py, line 89, in ?
setup_package()
File setup.py, line 59, in setup_package
from numpy.distutils.core import setup
File /mnt/home/ck/prog/scipy/numpy-1.0.1/numpy/__init__.py,
Hi all,
Using the pdb shell, after repeatedly entering 'l' (lowercase 'L'),
how do I jump back to listing the current line again if I don't
remember exactly what line my current line is? Do I just have to list
an early line in the code and repeatedly list from there until I see
the '-' indicating
On Mar 23, 11:56 am, Duncan Booth [EMAIL PROTECTED]
wrote:
Chris Lasher [EMAIL PROTECTED] wrote:
Using the pdb shell, after repeatedly entering 'l' (lowercase 'L'),
how do I jump back to listing the current line again if I don't
remember exactly what line my current line is? Do I just have
Jonathan Curran wrote:
Spur of the moment answer: call setleds program from within your program
better answer (fox X11):
http://python-xlib.sourceforge.net/doc/html/python-xlib_16.html
Take a look at get_keyboard_control() and change_keyboard_control(). As far as
knowing how to properly
Is there a way to interact with keyboard LEDs (for Caps/Scroll/Num
Lock) in Python? I'd like to achieve an effect similar to the *NIX
command setleds -L, but I'm not sure where to start, but I figured
someone out there would have an idea or maybe experience with something
similar. Thanks very much
Is it possible to write a regular expression such that a match is
found provided the string does not match a group in the regex? Let me
give a concrete example.
Suppose I want to find a match to any filename that does not end in
.py, (ignoring the obvious use of the .endswith('.py') string
Man, that's a headslap-worthy overlooking of the obvious. Ha! =-)
I was using the redemo.py that comes standard with Python but that
Kodos app looks even neater! Thanks for the tip. Thanks Paddy.
Chris
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Diez, John, Tim, and Ben, thank you all so much. I now get it. It
makes logical sense now that the difficulty was actually in the
implementation of findall, which does non-overlapping matches. It also
makes sense, now, that one can get around this by using a lookahead
assertion. Thanks a bunch,
Hey guys and gals,
This is a followup of my Counting all permutations of a substring
thread (see
http://groups.google.com/group/comp.lang.python/browse_thread/thread/60ebeb7ae381b0a9/7657235b3fd3966f#7657235b3fd3966f
in Google Groups) I'm still having a difficult time figuring out the
intricacies
Great suggestions, guys! Thanks so much!
And yes, I stand corrected. A better suited subject title would have
been Counting all overlapping substrings.
Thanks again,
Chris
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Hi all,
How can one count all the permutations of a substring in a string? For
a more concrete example, let's say
targetstr = 'AAA'
and
probestr = 'AA'
I want to consider how many times one can count probestr ('AA') in
targetstr ('AAA'). The value in this example is, obviously, 2: you can
match
Two things:
1) math.floor returns a float, not an int. Doing an int() conversion on
a float already floors the value, anyways. Try replacing
math.floor(...) with int(...)
e.g.
math.floor(5.9)
5.0
int(5.9)
5
2) What kind of data is in f2m? If f2m is a float, you will get float
values in the
And there's always Mark Pilgrim's very good and very free Dive Into
Python.
http://www.diveintopython.org/
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You may want to look at either of the popular frameworks, TurboGears
http://www.turbogears.org/ or Django http://www.djangoproject.com/
I have very little experience with both, but I decided to try learning
the Django framework after watching the Snakes and Rubies videos. (See
I think Jay's advice is solid: you shouldn't rule out HTML parsing.
It's not too scary and it's probably not overboard. Using a common HTML
parsing library saves you from having to write and debug your own
parser. Try looking at Dive Into Python's chapter on it, first.
Hey Gerard,
Thanks for the suggestion! It took me a while to figure out how to get
this to work. Two things were important: I needed to use the
matrixmultiply() function, and the order of the two matrices being
multiplied is critcial. Here's how I got the example to work.
from Numeric import *
Now that's definitely what I'm looking for! Thanks!
By the way, was this line
In [5]: C = repeat(B, [1,2,1], axis=-1)
supposed to have a positive 1 value for axis? It works either way, I
see. Is it like a lookup, where an index of -1 returns the last value?
If that were true, I supposed the
Hello Pythonistas!
I'm looking for a way to duplicate entries in a symmetrical matrix
that's composed of genetic distances. For example, suppose I have a
matrix like the following:
ABC
A 0.00 0.50 1.00
B 0.50 0.00 0.50
C 1.00 0.50 0.00
Say
Learning Python by Ascher and Lutz has a very good introduction to
objects and object-oriented programming. If you're new to programming,
I definitely recommend the text. Also, check out Mark Pilgrim's chapter
on OOP in Dive Into Python at
Thanks for the replies, guys! I had no idea Vim was capable of doing
some of those things. The source browser in Vim is slick--I never would
have known about that. As far as the GDB goes, it doesn't look like it
has support for Python, but it's nice to know it's there for C if I get
the chance to
Thanks for your responses, guys. I can't get the PIDA page to come up
for me; server timeout error. I'll have to look into Eclipse more, but
I've been warned that it's resource greedy and that the VI plugin
doesn't provide very much functionality. Still, that's hearsay, so I'll
have to find out
Thanks again for your responses, guys. To answer the question,the
features I'd love to see in a Python IDE are:
* First and foremost, Vim editing behavior. Let me keep my fingers on
the homerow. I'm lazy. Point and click and CTRL + SHIFT has its
moments, but text editing is not one of them.
*
Hello,
Is there a Python-sensitive, Linux compatible IDE out there with
standard bells and whistles (source browser, symbolic debugger, etc.)
but with the action-per-keystroke editing capabilities of Vim? I have
failed to turn up such an IDE in my Googling and IDE project-page
browsing. :-(
I would have to say that never having done any OO programming before in
my life, I found _Learning_Python_ by Lutz Ascher had a great couple
of chapters on it. The diagrams about inheritance and subclassing
really helped a lot and they describe the purpose of using OOP quite
well. I see you
I'm working my way through _Learning_Python_ 2nd ed., and I saw
something peculiar which is not explained anywhere in the text.
print + file + size= + `size`
The `s appear to somehow automagically convert the integer to a string
for concatenation. How does this work? Is this just a shortcut
Ah, repr. Did not cross my mind. Good to see my suspicions about the
use of ` being poor practice were correct. Explicit is better than
implicit.
Thanks for the reply.
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Before you get too carried away, how often do you want to do this and
how grunty is the box you will be running on?
Oops, I should have specified this. The script will only need to be run
once every three or four months, when the sequences are updated. I'll
be running it on boxes that are
Hello,
I have a rather large (100+ MB) FASTA file from which I need to
access records in a random order. The FASTA format is a standard format
for storing molecular biological sequences. Each record contains a
header line for describing the sequence that begins with a ''
(right-angle bracket)
Hello,
I really like the finditer() method of the re module. I'm having
difficulty at the moment, however, because finditer() still creates a
callable-iterator oject, even when no match is found. This is
undesirable in cases where I would like to circumvent execution of code
meant to parse out
Hello,
I would like to create a set of very similar regular expression. In
my initial thought, I'd hoped to create a regular expression with a
variable inside of it that I could simply pass a string into by
defining this variable elsewhere in my module/function/class where I
compile the regular
Thanks for the reply, Steve! That ought to work quite nicely! For some
reason, I hadn't thought of using %-formatting. I probably should have,
but I'm still learning Python and re-learning programming in general.
This helps a lot, so thanks again.
Chris
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