I just got my hands on pandas and am figuring out how I can read a file. The file is from WRDS database and is the SP500 constituents list all the way back to 1960s. I check
pandas.read_fwf() was added in pandas 0.7.3 (April 2012) to handle fixed-width files.
pandas.read_fwf()
API reference
An example from other question