Python escape usage in django templates by GAE
Hi
I got problems with escape displaying like junk when upgrading from
django 0.96 to 1.2 with google app engine.
The code is
# let user choose authenticator
for p in openIdProviders:
p_name = p.split('.')[0] # take "AOL" from "AOL.com"
p_url = p.lower()# "AOL.com" -> "aol.com"
loginmsg = loginmsg + '%s ' % ( #'','')
users.create_login_url(federated_identity=p_url),
p_name)
loginmsg = loginmsg + '%s' %
('login',_("Log in"))
And the output is strange. View source show this:
Add03 Mar
Log inGoogle Yahoo MySpace AOL Log in
Can you make ad advice how to proceed? Many thanks,
Niklas Rosenrantz
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GUibuilder evaluation
Hello Making a GUI, could you recommend tkinter or any other proposal? Thanks -- http://mail.python.org/mailman/listinfo/python-list
datetime questions
Hello Learning python datetime somewhat similar to SQL type timestamp my attempt creating a 24 h 2 months ago is str(datetime.now () - timedelta (days = 60)) +' cron '+ str(datetime.now () - timedelta (days = 59)) Do you agree? Can I improve this declaration? Regards Niklas Rosencrantz -- http://mail.python.org/mailman/listinfo/python-list
Learning inheritance
Hi
How can I make the visibility of a variable across many methods or
files? To avoid repeating the same line eg url =
os.environ['HTTP_HOST'] if os.environ.get('HTTP_HOST') else
os.environ['SERVER_NAME'] I repeat for many methods. So declaring it
to a super class and inheriting it is my plan. Do you agree or propose
otherwise?
Thanks
Niklas
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Re: Learning inheritance
On Sep 18, 4:13 pm, "bruno.desthuilli...@gmail.com"
wrote:
> On 18 sep, 17:25, Niklasro wrote:
>
> > Hi
> > How can I make the visibility of a variable across many methods or
> > files? To avoid repeating the same line eg url =
> > os.environ['HTTP_HOST'] if os.environ.get('HTTP_HOST') else
> > os.environ['SERVER_NAME']
>
> First learn to use Python correctly:
>
> url = os.environ.get("HTTP_HOST", os.environ["SERVER_NAME"])
>
> => dict.get(key, default=None)
>
> Also and FWIW, neither HTTP_HOST not SERVER_NAME are really urls...
>
> > I repeat for many methods. So declaring it
> > to a super class and inheriting it is my plan. Do you agree or propose
> > otherwise?
>
> Not enough background to answer.
Thanks for replying and informing correctness. More background is the
variable I want accessible for many functions and files either is
HTTP_HOST or SERVER_NAME used as beginning of url or resource locator
indicated where the software is used. Instead of declaring the
variable many times feasibility study is how to minify number of times
I declare the same variable. I got 2 files main.py and i18n both with
webapp request handlers which I would like access the variable.
Thanks
Niklas R
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Re: Learning inheritance
On Sep 18, 11:15 pm, Jorgen Grahn wrote:
> On Sat, 2010-09-18, Niklasro wrote:
> > Hi
> > How can I make the visibility of a variable across many methods or
> > files? To avoid repeating the same line eg url =
> > os.environ['HTTP_HOST'] if os.environ.get('HTTP_HOST') else
> > os.environ['SERVER_NAME'] I repeat for many methods. So declaring it
> > to a super class and inheriting it is my plan. Do you agree or propose
> > otherwise?
>
> Inheritance is not the main tool for sharing code. Just make it a
> function and place it in one of your modules (files):
>
> def get_host():
> """Return the environment's $HTTP_HOST if
> it exists, otherwise $SERVER_NAME or (if that
> doesn't exist either) None.
> """
> ...
>
> Perhaps you are focusing too much on inheritance in general.
> I personally almost never use it in Python -- it has much fewer
> uses here than in staticaly typed languages.
>
> /Jorgen
>
> --
> // Jorgen Grahn \X/ snipabacken.se> O o .
Thanks for sharing the knowledge. I alternatively think about
declaring the variable in a setting.py file and import it. It doesn't
create many objects but I want to learn more professional code
conventions than same test repeated.
Sincerely,
Niklas R
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Re: Learning inheritance
On Sep 19, 2:31 am, alex23 wrote:
> Niklasro wrote:
> > I got 2 files main.py and i18n both with
> > webapp request handlers which I would like access the variable.
>
> I'd probably use a module for this. Create a third file, called
> something like shared.py, containing the line that bruno gave above:
>
> url = os.environ.get("HTTP_HOST", os.environ["SERVER_NAME"])
>
> Then from within both main & i18n you can 'import shared' and access
> the variable as 'shared.url'.
>
> Python only actually executes a module the first time it's imported,
> every other import will be given a reference to the same module
> object. This also lets you share temporary data between modules. Any
> module that imports 'shared' can add an attribute to it ('shared.foo =
> "barbaz"') that will be visible to all other modules that have (or
> will have) imported it.
I try a file setting.py declaring it like this just loose in the file
not knowing much theory about it thinking it's easy and intuitive.
Thanks
Niklas
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Re: Learning inheritance
It works but I don't know whether it's formally inheritance or class
variable.
Before code was
url = os.environ['HTTP_HOST'] if os.environ.get('HTTP_HOST') else
os.environ['SERVER_NAME']
if url.find('niklas') > 0:
and now the change saves me from repeating myself!
util.py:
url = os.environ.get("HTTP_HOST", os.environ["SERVER_NAME"]) #declared
as class variable(?)
And viola just test if util.url.find('niklas') > 0:
Exactly what I wanted to do with your experienced guidance.
Many thanks
Happy refactored
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Re: Learning inheritance
On Sep 19, 8:12 am, Thomas Jollans wrote:
> On 2010-09-19 09:22, Niklasro wrote:> util.py:
> > url = os.environ.get("HTTP_HOST", os.environ["SERVER_NAME"]) #declared
> > as class variable(?)
>
> There is no class here, so this is no class variable, and you're not
> inheriting anything. You're simply using a module.
>
> > And viola just test if util.url.find('niklas') > 0:
>
> > Exactly what I wanted to do with your experienced guidance.
>
> > Many thanks
> > Happy refactored
>
>
Good to learn what I'm doing :-) since important being able to explain
choices taken farther than "doing it because it works".
I understand the concept of modules may not correspond to java
programming where I come from.
Sincerely with thanks for the help,
Niklas
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Re: Learning inheritance
On Sep 20, 7:39 am, Bruno Desthuilliers wrote: > Niklasro a écrit : > > > Good to learn what I'm doing :-) since important being able to explain > > choices taken farther than "doing it because it works". > > I understand the concept of modules may not correspond to java > > programming where I come from. > > Coming from Java - and specially if you only have experience with Java > -, you'll have to unlearn quite a few things. Python is 100% object - in > that everything you can bind to a name is an object, including classes, > functions, methods, and even modules - but it doesn't try to force you > into using classes when you don't need them. Which is good since always questioning the empty declarations Java has we know empty getters and setters forced to a class and interfaces with nothing but names and no logic. With this respect I prefer python solving same problem with ½ MB python 30 MB J2EE used to with drawback only that Java had the faster physical response. You can have the buggiest code respond the fastest like a hijacked environment physically boosted you don't want and naturally choosing the slower physical response time in favor of decent development environment. Thanks Niklas -- http://mail.python.org/mailman/listinfo/python-list
Re: Learning inheritance
On Sep 21, 1:30 am, alex23 wrote: > Bruno Desthuilliers > wrote: > > > alex23 a écrit : > > > Python only actually executes a module the first time it's imported, > > > Beware of multithreading and modules imported under different names... > > There can be issues with both in some web frameowrks. > > Good points, Bruno, thank you. > > Niklasro, a good example of Bruno's second point: running a module as > a script and then importing it elsewhere later will execute the module > in the second import, creating two module objects - '__main__' and > ''. > > The issue with threading is the more important one of which to be > aware. I follow it means learning when constructors get called twice. Normally a constructor should get called once only. Many thanks for the insights both solving my problem and referencing important topics -- http://mail.python.org/mailman/listinfo/python-list
WSGI by HTTP GET
Hello Getting a web same page with 2 or more possible "states" eg business part, private part or all parts, can you recommend a way to represent the states via HTTP GET? Feasible way could be ?business=business, ? type=business, ?business=true or others. Should I minimize casting the variable? Which type should I reason, boolen or string? I now use seemingly arbitrary ?t=w to represent a state which technically works leaving a more readable and maintainable solution to wish. Thanks Niklas -- http://mail.python.org/mailman/listinfo/python-list
Re: That interesting notation used to describe how long a loop will take.
On 4 Okt, 20:38, Tobiah wrote: > It gets used here frequently, but not > having majored in programming, I'm not > familiar with it. One might say: > > Don't do it that way, it will result in O(n**2)! > > Or something like that. I read this to mean > that the execution time varies with the square > of the number of iterations, or items being sorted > etc.. > > I want to google this, but I'm not sure what > keywords to use. Is there a wikipedia article about this > subject? I imagine that it has a concise name. > > Thanks, > > Tobiah Big O relates input size to computation time. For example mission is "make the program 1000 times faster" you can a) buy much more expensive hardware b) rewrite exponential time algorithms to polynomial time and likewise. And look at a sheet with 10 best algorithms, they have times noted and where applicable for example sorting a set that's already somewhat sorted another method than sorting a very unsorted set is applicable. Regards, Niklas -- http://mail.python.org/mailman/listinfo/python-list
Combining 2 regexes to 1
Hello, Suspecting it's completely doable combining these 2 regexes to
just 1 expression I'm looking for the working syntax. If you know then
kindly inform. Thanks in advance
('/a/([^/]*)',List), #list
('/a([^/]*)',List), #list
Niklas Rosencrantz
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Re: Combining 2 regexes to 1
Many thanks. It works. You also helped me refactor these
('/([0-9]*)/?([^/]*)',AById),#id2a
('/([0-9]*)',AById)
to just 1
('/([0-9]*)/?([^/]*)',AById),#id2a
It's from the appspot framework.
Sincerely
Niklas R
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Re: include a file in a python program
On Sep 5, 10:57 pm, bussiere bussiere wrote:
> i've got a python.txt that contain python and it must stay as it (python.txt)
>
> how can i include it in my program ?
> import python.txt doesn't work
> is there a way :
> a) to make an include("python.txt")
> b) tell him to treat .txt as .py file that i can make an import python ?
> i'am using python3
> Regards
> Bussiere
> fan of torchwood
> Google Fan boy
You can do it with tkinter to also enable GUI.
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