%watermark [-a AUTHOR] [-d] [-e] [-n] [-t] [-z] [-u] [-c CUSTOM_TIME] [-v] [-p PACKAGES] [-h] [-m] [-g] [-w] IPython magic function to print date/time stamps and various system information. watermark version 1.2.1 optional arguments: -a AUTHOR, --author AUTHOR prints author name -d, --date prints current date as MM/DD/YYYY -e, --eurodate prints current date as DD/MM/YYYY -n, --datename prints date with abbrv. day and month names -t, --time prints current time -z, --timezone appends the local time zone -u, --updated appends a string "Last updated: " -c CUSTOM_TIME, --custom_time CUSTOM_TIME prints a valid strftime() string -v, --python prints Python and IPython version -p PACKAGES, --packages PACKAGES prints versions of specified Python modules and packages -h, --hostname prints the host name -m, --machine prints system and machine info -g, --githash prints current Git commit hash -w, --watermark prints the current version of watermark File: ~/.ipython/extensions/watermark.py