python

How to evaluate javascript code in Python

I need to fetch some result on a webpage, which use some javascript code to generate the part I am interesting in like following eval(function(p,a,c,k,e,d){e=function(c){return c};if(!''.replace(/^/,String)){while(c--)d[c]=k[c]||c;k=[function(e){return d[e]}];e=function(){return'\\w+'};c=1;};while(c--)if(k[c])p=p.replace(new RegExp('\\b...

Programatically importing a file and creating an instance of a class in Python

I have a (python) list of strings which refer to python source files and subsequently classes within those files which I want to import and then create an instance of the classes within the files (everything follows a strict naming convention, making this theoretically possible), in Ruby I would do something like: require "lib/sources/#...

setting permissions of python module (python setup install)

I am configuring a distutils-based setup.py for a python module that is to be installed on a heterogeneous set of resources. Due to the heterogeneity, the location where the module is installed is not the same on each host however disutils picks the host-specific location. I find that the module is installed without o+rx permissions us...

Have I checked every consecutive subset of this list?

I'm trying to solve problem 50 on Project Euler. Don't give me the answer or solve it for me, just try to answer this specific question. The goal is to find the longest sum of consecutive primes that adds to a prime below one million. I wrote a sieve to find all the primes below n, and I have confirmed that it is correct. Next, I am goi...

Python logger dynamic filename

I want to configure my Python logger in such a way so that each instance of logger should log in a file having the same name as the name of the logger itself. e.g.: log_hm = logging.getLogger('healthmonitor') log_hm.info("Testing Log") # Should log to /some/path/healthmonitor.log log_sc = logging.getLogger('scripts') log_sc.debug("Tes...

something like gimp "fuzzy select" in python/PIL

I have image with some object at not solid background. I want to extract this objects like in gimp using "fuzzy select". This can be an example: http://img249.imageshack.us/gal.php?g=25750902.png Question is what is the best way to do it using python/PIL... ...

Problem trying to achieve a join using the `comments` contrib in Django

Hi, Django rookie here. I have this model, comments are managed with the django_comments contrib: class Fortune(models.Model): author = models.CharField(max_length=45, blank=False) title = models.CharField(max_length=200, blank=False) slug = models.SlugField(_('slug'), db_index=True, max_length=255, unique_for_date='pub_dat...

Merge decorator function as class

Need to create a class that will do all things as the "merge" function. In class i will change, process and add new arguments. def merge(*arg, **kwarg): # get decorator args & kwargs def func(f): def tmp(*args, **kwargs): # get function args & kwargs kwargs.update(kwarg) # merge two dictionaries r...

PDB: exception when in console - full stack trace

When at the pdb console, entering a statement which causes an exception results in just a single line stack trace, e.g. (Pdb) someFunc() *** TypeError: __init__() takes exactly 2 arguments (1 given) However I'd like to figure out where exactly in someFunc the error originates. i.e. in this case, which class __init__ is attached to. ...

Do i have to store mails in db?

Are received mails stored somewhere in google app engine app or have i to store it with separated db class? ...

How to compile OpenGL with a python C++ extension using distutils on Mac OSX?

When I try it I get: ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/cscalelib.so, 2): Symbol not found: _glBindFramebufferEXT Referenced from: /Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/cscalelib.so Expected in: dynamic lookup I've tried a...

Check whether a Lilypond (.ly) file is valid with python

Hey, Do you know a pythonic simple way to check whether a Lilypond (.ly) file is valid ? ...

Is it OK to set "Cache-Control: public" when sending “304 Not Modified” for images stored in the datastore

After asking a question about sending “304 Not Modified” for images stored in the in the Google App Engine datastore, I now have a question about Cache-Control. My app now sends Last-Modified and Etag, but by default GAE alsto sends Cache-Control: no-cache. According to this page: The “no-cache” directive, according to the RFC, te...

Exposing a "dumbed-down", read-only instance of a Model in GAE

Does anyone know a clever way, in Google App Engine, to return a wrapped Model instance that only exposes a few of the original properties, and does not allow saving the instance back to the datastore? I'm not looking for ways of actually enforcing these rules, obviously it'll still be possible to change the instance by digging through ...

Until when will Python 2.5 be supported?

Apparently Python only supports 2 minor versions (like 2.X), so that would mean Python 2.5 would get phased out when Python 2.7 comes out (in June 2010?) Is this correct? PEP 356 -- Python 2.5 Release Schedule doesn't give much answers to this question. ...

vectorized approach to binning with numpy/scipy in Python

I am binning a 2d array (x by y) in Python into the bins of its x value (given in "bins"), using np.digitize: elements_to_bins = digitize(vals, bins) where "vals" is a 2d array, i.e.: vals = array([[1, v1], [2, v2], ...]). elements_to_bins just says what bin each element falls into. What I then want to do is get a list whose len...

Python Mechanize unable to avoid redirect when Post

I am trying to crawl a site using mechanize. The site provides search results in different pages. When posting to get the next set of results, something is wrong and the server redirects me to the first page, asking mechanize to update the SearchSession Cookie. I have been debugging the requests using Firefox and they look quite the sam...

Django: Geocoding an address on form submission?

Trying to wrap my head around django forms and the django way of doing things. I want to create a basic web form that allows a user to input an address and have that address geocoded and saved to a database. I created a Location model: class Location(models.Model): address = models.CharField(max_length=200) city = models.CharF...

Google App Engine - Document Editor Creation/Tap Into Google Docs?

What is the best way to create a custom document editor in GAE? I'm making a website meant for a School Robotics Club (With support for any other organization - DRY). We currently use Google services for online collaboration, I'm wondering if there is a way to tap into Google Docs and allow users to edit a Google Document without using ...

Django: Admin with multiple sites & languages

Hi everybody! I'm supposed to build some Django apps, that allow you to administer multiple sites through one backend. The contrib.sites framework is quite perfect for my purposes. I can run multiple instances of manage.py with different settings for each site; but how should django's admin deal with different settings for different site...