Marc Abramowitz

Make PyCrypto work with PyPy

I was trying to pip install PyCrypto in a PyPy virtualenv and kept getting build errors, mostly related to PyLongObject. I worked around the problem by uninstalling the gmp library. I'm on OS X so I did: brew uninstall gmp (If...

Programming

Ag: The Silver Searcher

I don't know if I've mentioned "ack" before — it's been my favorite tool for searching code for a while (it's better than grep, because it's fairly speedy because it knows how to search only files that are code and how to...

ProgrammingPython

Cython bug?

I have this Cython code: cdef struct MyStruct: int x def byte_bugginess(x=1): cdef char val = 1 cdef MyStruct foo print("1 - val = %d" % val) if x in (3, 4): print("2 - val = %d" % val) val = 2 print("3 - val = %d" % val) else:...

GeneralProgrammingPython

Compiling FreeTDS on Windows

This is how I got FreeTDS to compile on Windows 7 Professional with Visual Studio 2008. 1. Install Visual Studio 2008 (a.k.a.: Visual Studio 9.0) 2. Download the FreeTDS 0.91 source tarball and extract it somewhere. I chose...

ProgrammingPython

Python context manager for redirected stdout and stderr

I was working on the setup.py for pymssql and was annoyed by the distutils.ccompiler.CCompiler.has_function function -- because it checks whether a C function exists by creating a very simple C program and invoking the compiler...

MacProgramming

OS X Homebrew: Build FreeTDS from HEAD (gitorious)

Here's a pull request I just submitted to homebrew to make it possible to build FreeTDS from master on its gitorious repo: https://github.com/mxcl/homebrew/pull/21309 Example of using it: $ brew install freetds --HEAD --universal...

MacProgrammingPython

Compiling a universal library

A note for my future self on how to compile a library as universal binary in Mac OS X. For a while, I've been getting warnings like these when building pymssql: ld: warning: ignoring file /usr/local/lib/libsybdb.dylib, file was...