> Is it possible to do something like that?
No, you can't change the binding of variables in your calling space.
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Without seeing more of your code, I'm not sure what you are doing
wrong. This works:
ex.py vv
def xopen(path):
try:
return open(path)
except IOError, e:
print 'Error:', e.args[1]
xopen('xyzzy')
^^
$ python ex.py
Error: No such file or direct
It is something of a navel (left over feature). "xyz".strip() is (I
think) newer than string.strip()
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It is something of a navel (left over feature). "xyz".strip() is (I
think) newer than string.strip()
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This seems great, except why can't I compare strings? It seems too
useful when dealing with user input, or parsing messages or config
files.
>>> Weekdays = enum('sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat')
>>> Weekdays.mon.__cmp__('mon')
0
Additionaly, perhaps the call method of the enumerati
Steven is right, however, there is a way:
def new_record(slotlist):
class R(object):
__slots__ = slotlist
return R()
record1 = new_record(["age", "name", "job"])
record1.age = 27
record1.name = 'Fred'
record1.job = 'Plumber'
record1.salary = 5
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I've tossed it to python-dev, but how do I submit it to the cookbook?
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> My point is simply that, for some languages L,
> "Zen and the art of L" or "The Tao of L" are plausible
> titles ("Zen and the Art of Lisp Programming" would be plausible) but
> for some languages they wouldn't ("The Tao of Fortran" ?)
> Do you disagree?
No, I don't disagree that people do this.
Are you sure node.data contains newlines?
You could try just:
print node.data
print node.data.split('\n')
This should give you an idea. From the interpreter:
>>> s = """
... abc
... def
... xyz"""
>>> s.split('\n')
['', 'abc', 'def', 'xyz']
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This is fun :)
{Note: I take no responsibilty for anyone who uses this in production
code}
#!/usr/bin/env python2.4
# This program shows off a python decorator
# which implements tail call optimization. It
# does this by throwing an exception if it is
# it's own grandparent, and catching such
# ex
You don't really need regexes for this.
Assuming there is no whitespace in any of your values, it should be
really easy to parse the string.
s = 'x:11 y:0 w:760 h:19 area:14440 areaPerCent:0
totalAreaPerCent:-3.08011e+16 type:3 path:///-/1/1'
s.split() # break the string on whitespace
> ['x:11',
> I don't know what it is with comp.lang.python/python-list these days
> and the cheap put-downs. Unless you know the person you're responding
> to personally, and thus the above counts as some kind of banter, you
> would do better to keep the insults to yourself.
You are completely right, I was o
You are a very silly person. You have tripped so many of my internet
bullshit triggers that I think perhaps you are trolling. All languages
alter the way you think. They structure the nature of questions you can
ask, and problems you can solve.
Do you understand 'Zen', by which I mean, have you de
Skipping ahead, let me try to rephrase this.
First, this isn't really a python question, it is SQL, XSLT, and
program design, but I'll try to answer.
You have templates, they contain general layout stuff, and input
fields. You are transforming them into HTML pages, and part of what you
want to do
Here you go. Unfortunate that you can't modify locals() easily, but
there are other options.
def foo(d):
for k in d:
exec '%s = %s' % (k, repr(d[k]))
print a + b
foo({'a':1, 'b':2})
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This is something I've been working on for a bit, and I think it is
more or less ready to bring up on this list. I'd like to add a module
(though probably not for 2.5).
Before you ask, this module is _not_ compatible with cmd.py, as it is
command oriented, whereas cmd.py is line oriented.
Anyway,
I've been playing with dictionary subtypes for custom environments,
and I encountered a strange interaction between exec, dictionary
subtypes, and global variables. I've attached a test program, but
first I'd like to give some background.
Python uses dictionary objects as symbol tables in it's exe
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