pylahman

pylahman is a Python package for accessing the Lahman Baseball Database via pandas.

Important

The data used in this package is provided by Sean Lahman and is licensed under CC BY-SA 3.0. The data was last updated based on the source data available from http://www.seanlahman.com/ on 2024-08-21.

The surrounding software is licensed under the MIT License.

Installation

pylahman can be installed via pip:

pip install pylahman

Usage

>>> import pylahman as lbd
>>> lbd.pitching().columns
Index(['playerID', 'yearID', 'stint', 'teamID', 'lgID', 'W', 'L', 'G', 'GS',
       'CG', 'SHO', 'SV', 'IPouts', 'H', 'ER', 'HR', 'BB', 'SO', 'BAOpp',
       'ERA', 'IBB', 'WP', 'HBP', 'BK', 'BFP', 'GF', 'R', 'SH', 'SF', 'GIDP'],
      dtype='object')

Documentation

Like the package itself, data documentation is still a work in progress. The lahman-readme.txt file contains the documentation for the source data. The functions available in this package correspond to the table names listed in that documentation, but converted from CamelCase to the more popular snake_case in Python. For example the source table AllStarFull becomes allstar_full. The full list of available functions is:

• allstar_full
• appearances
• awards_managers
• awards_players
• awards_share_managers
• awards_share_players
• batting
• batting_post
• college_playing
• fielding
• fielding_of
• fielding_of_split
• fielding_post
• hall_of_fame
• home_games
• managers
• managers_half
• parks
• people
• pitching
• pitching_post
• salaries
• schools
• series_post
• teams
• teams_franchises
• teams_half