Log Message
Note to self: when you get time, figure out how to do logging, as a general practice: here is a nice link to get you started.
Posts tagged with python
Link for Python logging
Note to self: when you get time, figure out how to do logging, as a general practice: here is a nice link to get you started.
Debugging python deadlocks
Sometimes, a python script just gives up and hangs. Even Ctrl-C does not exit the program. You do not have to have a loop with a catch-all except command or ...
Visualizing the output of python’s cprofile
To better visualize the call tree after profiling a python script, first save your output from cProfile using python -m cProfile -o <myscript.profile> ...
Extending Python using C
For an introduction to extending python using C, via PyObject and the like, take a look at this tutorial.
Making your own python packages
For more general info on making and installing your own packages, take a look at this page.
Making virtualenv find your user-defined module
To make virtualenv find your user-defined module, assuming you are using virtualenvwrapper, you can simply use the add2virtualenv command.
Installing a user-defined python module in your own system
To make a user-defined python module that you can import in many scripts, you must place your module in one of the site-packages directories in sys.path. If ...
Installing cvxopt linked to Intel MKL via pip
To install cvxopt linked to Intel MKL using pip, set environment variables in the installation commands as follows: sudo CVXOPT_BLAS_LIB_DIR=/opt/intel/mkl/l...
PEP8-style indentation in vim
How do you automatically get vim to do PEP8-style indentation for python code? Look up this blog post which references this vim script. It has also been adde...
Removing lines in matplotlib
To remove lines the object oriented way in matplotlib (using axes, etc.) take a look at my tuner program for an example. Alternatively, look at the fitzhugh-...
Non-blocking input in python
Use the select module in python for non-blocking input. Look at my tuner program for an example of its usage.
Converting between binary and decimal in python
Use the builtin bin() function to convert integers to binary. Use int(binary_repr, 2) to convert back.
Check PEP8 formatting for python
In order to check errors in python formatting, use pep8 (installed with pip). In order to correct these errors automatically, use autopep8.
Debugging a C program with a python frontend
If you want to debug a C or C++ program that has a python frontend, then run python using gdb. Then, inside gdb, use the set args command to set the python s...