Develop Reference

How to properly import libtcod in PyCharm?

I'm trying to set up a roguelike Python project, but I can't seem to be able to import libtcod module into my project. This helloworld crashes, and the IDE keeps telling me that there is no module named libtcodpy.
import libtcodpy
def main():
print('Hello World!')
if __name__ == '__main__':
main()
What is the proper way to import modules into Python projects? I'm used to Java, so I was expecting something along the lines of Maven to manage the dependencies. There indeed seems to be something like that in PyCharm as well, this package manager for the venv, which from what I gather serves to isolate the project-specific stuff from the OS- or python-global stuff:
but libtcod simply isn't present in the rather exhaustive list of modules that appears after clicking on the "+" button, just some other module that has something to do with libtcod library (I guess?). Moreover, all the tutorials I found on setting libtcod up advise one to manually copy over files somewhere or run some command that I suppose does the importing somehow and other such solutions, all of which i tried and none of which worked. I don't want to pollute my project structure by using such hodgepodge ways of handling dependencies if I can at all avoid it.
Q: How do I get libtcod to work in my PyCharm project in the most clean and convention-abiding way possible?

Take a look at this github project called tcod: https://github.com/libtcod/python-tcod/blob/master/README.rst#installation
It's a python port of libtcod.
To install using pip, use the following command:
python -m pip install tcod
If you get the error "ImportError: DLL load failed: The specified module could not be found." when trying to import tcod/tdl then you may need the latest Microsoft Visual C runtime.
Blockquote

Cannot import pyscipopt into python (ubuntu)

I am trying to use scip's python interface. I have already downloaded the python interface and installed it according to the instructions given in
Python interface for the SCIP Optimization Suite. However, when I try to import pyscipopt to python, there is an ImportError:No module named 'pyscipopt.scip'.
I'm using scipsuite-3.2.1 under ubuntu.

Please make sure to be in a different directory than from where you installed the interface. Python gets confused when trying to import something when there is a directory of the same name in the current directory. Please go into the subdirectory scip/interfaces/python/tests and try running the provided test files.

Web2py import python modules

Hello I'm trying import a module import Image. I recieved this error <type 'exceptions.ImportError'> Cannot import module 'Image'
I looked for a solution and found this Install Python Module in local install of web2py
So "how can I drop modules in app/modules folder" so web2py will check there first when import something or if anyone knows a better solution then the provided solution please help.

If you are using the Windows or Mac web2py binary, they include their own Python interpreter, so they will not use your system's installed version of Python nor see any of its modules. If you have your own version of Python installed, you're better off running web2py from source, which is just as easy (just download and unzip -- run with the web2py.py file rather than web2py.exe or web2py.app).

Using Pygame without installing

I'm making a real simple RPG game at college and I would like to use pygame. However, my college has a group policy disabling any Windows executables from running so I can't install pygame. Is there any way I can just import pygame by just having it in the same folder?

One thing I do with external python libraries is to download the source, build it and copy the built library into ${PROJECT_HOME}/lib/${EXTERNAL_LIB_NAME}. This way, I can run my python scripts with just standard python installation on a machine. To be able to use the external lib, you'll have to include the lib directory to sys path like this:
import os
from sys import path as syspath
syspath.append(os.path.join(os.path.dirname(__file__), 'lib'))
P.S.: Since pygame has C/C++ files to be compiled, you'd have to use mingw instead. Refer to this answer for that: error: Unable to find vcvarsall.bat
EDIT: In case you're wondering how to build pygame from source, you'll need to run setup.py build. This will build the python library into 'build' folder of the package directory and there you'd see how it should be placed in Python's directory. You will face the compilation problem in Windows as I've mentioned before, but you can easily fix that.
EDIT 2: Download link to contents of 'lib' for PyGame:
Python 2.7: http://dl.dropbox.com/u/71422266/pygame27.7z
Python 3.2: http://dl.dropbox.com/u/71422266/pygame32.7z

If you're allowed to run stuff from a USB drive, one option would be to use Portable Python 2.7.3.2, which includes PyGame 1.9.1.

Eclipse and python: library will import in interprer, but not in IDE

I'm running Windows 7, Python 2.6.4 and the latest version of Eclipse. I downloaded the boto library (http://code.google.com/p/boto/) and ran python setup.py install, which created boto-1.9b-py2.6.egg in C:\Python26\Lib\site-packages.
Importing a class - say, by doing 'from boto.sqs.connection import SQSConnection' - works fine from the python command line tool. But Eclipse will not find boto, despite the fact that it is using the same python interpreter as I am using when at the command line. I added the library as an external source folder, but that didn't work either. How can I properly import the boto library into Eclipse?
Thanks.

From the comment so can be marked as answered
In Preferences->Pydev->interpreter - Python what is the System libs value

For libraries that are required only in a single project, the best practice is to add them to the Project's PYTHONPATH and not the SYSTEM PYTHONPATH.
This is done by right clicking on the project -> Properties -> PyDev-PYTHONPATH -> External Libraries and then adding the required library using Add zip/jar/egg.