python

Open Source Library for Linguistic Inquiry and Word Count (LIWC)

Hi, I am looking for an open source library for Linguistic Inquiry and Word Count (LIWC). Something in java or python will be good, though I am open to use other language. Does anyone know where I can get one ? Cheers, ...

Bundle module with app on Google App Engine

This may be a basic question but how can I include a module with my app. I'm very new to python and what I want to do is to include this module simplejson with my app, but after downloading it I have no idea what to do next :( This is how the module looks like after unzip it. I don't know what files to move to my app. ...

Numpy Matrix keeps giving me an Error,

Okay this is werid, i keep getting the error, randomly. ValueError: matrix must be 2-dimensional So i tracked it down, and cornered it to basically something like this: a_list = [[(1,100) for _ in range(32)] for _ in range(32)] numpy.matrix(a_list) Whats wrong with this? If i print a_list it is clearly a 2d matrix of tuples, howeve...

Matplotlib not showing up in Mac OSX

Hi, I am running Mac OSX 10.5.8. I installed matplotlib using macports. I get some examples from the matplotlib gallery like this one, without modification: http://matplotlib.sourceforge.net/examples/api/unicode_minus.html I run it, get no error, but the picture does not show up. In Linux Ubuntu I get it. Do you know what could be wr...

Pylons/Routes Did url_for() change within templates?

I'm getting an error: GenerationException: url_for could not generate URL. Called with args: () {} from this line of a mako template: <p>Your url is ${h.url_for()}</p> Over in my helpers.py, I do have: from routes import url_for Looking at the Routes-1.12.1-py2.6.egg/routes/util.py, I seem to go wrong about line it calls _screen...

Distance by sea calculator, intermediate coordinates?

How do I calculate distance between 2 coordinates by sea? I also want to be able to draw a route between the two coordinates. Only solution I found so far is to split a map into pixels, identify each pixel as LAND or SEA and then try to find the path using A* algorithm. Then transform pixels to relative coordinates. There are some soft...

how to merge 200 csv files in Python

Guys, I here have 200 separate csv files named from SH (1) to SH (200). I want to merge them into a single csv file. How can I do it? ...

How to chroot Django

Can one run Django in a chroot? Notably, what's necessary in order to set up (for example) /var/www as a chroot'd directory and then have Django run in that chroot'd directory? Thank you - I'm grateful for any input. ...

How do I mock a class property with mox?

I have a class: class MyClass(object): @property def myproperty(self): return 'hello' Using mox and py.test, how do I mock out myproperty? I've tried: mock.StubOutWithMock(myclass, 'myproperty') myclass.myproperty = 'goodbye' and mock.StubOutWithMock(myclass, 'myproperty') myclass.myproperty.AndReturns('goodbye') ...

FancyURLOpener failing since moving to python 3.1.2

I had an application that was downloading a .CSV file from a password-protected website then processing it futher. I was using FancyURLOpener, and simply hardcoding the username and password. (Obviously, security is not a high priority in this particular instance). Since downloading Python 3.1.2, this code has stopped working. After fi...

Idiots guide to app engine and memcache

I am struggling to find a good tutorial or best practices document for the use of memcache in app engine. I'm pretty happy with it on the level presented in the docs. Get an object by ID, checking memcache first, but I'm unclear on things like: If you cache a query, is there an accepted method for ensuring that the cache is cleared/...

Storing simulation results in a persistent manner for Python?

Background: I'm running multiple simuations on a set of data. For each session, I'm allocating projects to students. The difference between each session is that I'm randomising the order of the students such that all the students get a shot at being assigned a project they want. I was writing out some of the allocations in a spreadsheet ...

Structure accessible by attribute name or index options

I am very new to Python, and trying to figure out how to create an object that has values that are accessible either by attribute name, or by index. For example, the way os.stat() returns a stat_result or pwd.getpwnam() returns a struct_passwd. In trying to figure it out, I've only come across C implementations of the above types. No...

XML document being parsed as single element instead of sequence of nodes

Given xml that looks like this: <Store> <foo> <book> <isbn>123456</isbn> </book> <title>XYZ</title> <checkout>no</checkout> </foo> <bar> <book> <isbn>7890</isbn> </book> <title>XYZ2</title> <checkout>yes</checkout> </bar> </Store> I am getting this as my parsed xmldoc: >>> from xml.dom import minidom >>> xmldoc = minidom.parse('bar.x...

Is this the correct way to convert a UTC datetime string into localtime?

Is this the correct way to convert a UTC string into local time allowing for daylight savings? It looks ok to me but you never know :) import time UTC_STRING = "2010-03-25 02:00:00" stamp = time.mktime(time.strptime(UTC_STRING,"%Y-%m-%d %H:%M:%S")) stamp -= time.timezone now = time.localtime() if now[8] == 1: stamp += 60*60 elif n...

Examples of use for PickledObjectField (django-picklefield)?

Hi, surfing on the web, reading about django dev best practices points to use pickled model fields with extreme caution. But in a real life example, where would you use a PickledObjectField, to solve what specific problems? ...

Encoding gives "'ascii' codec can't encode character … ordinal not in range(128)"

I am working through the Django RSS reader project here. The RSS feed will read something like "OKLAHOMA CITY (AP) — James Harden let". The RSS feed's encoding reads encoding="UTF-8" so I believe I am passing utf-8 to markdown in the code snippet below. The em dash is where it chokes. I get the Django error of "'ascii' codec can'...

Django debug error

I have the following in my model: class info(models.Model): add = models.CharField(max_length=255) name = models.CharField(max_length=255) An in the views when i say info_l = info.objects.filter(id=1) logging.debug(info_l.name) i get an error saying name doesnt exist at debug statement. 'QuerySe...

Once I know the basic elements and syntax of Python, what should I do?

Well, I have read several user guides and watched dozens and dozens of video tutorials on how to program with Python, and feel pretty confident about writing simple applications for it. My main point in my question is, where would I be able to learn more advanced programming knowledge about Python? ...

Problems with tk85.dll when shutting down an application that embeds the Python interpreter.

My C++ application embeds the Python interpreter, but seems to be having some trouble when it shuts down. Right after the main window closes, I get a segmentation fault (this is Windows, but we'll call it a segmentation fault anyway). The stack trace is below: #0 102AD580 tk85!Tk_MainWindow() (C:\Users\... 1.3\bin\Debug\lib\tk85.dll:??)...