I'm going to cover a simple, but effective, utility for managing state and transitions (aka workflow). We often need to store the state (status) of a model and it should only be in one state at a time.
| #!/bin/bash | |
| ## Email Variables | |
| EMAILDATE=`date --date="today" +%y-%m-%d` | |
| EMAIL="you@yourdomain.com" | |
| SUBJECT="[servername] Backup Script Started! - "$EMAILDATE | |
| EMAILMESSAGE="/tmp/emailmessage1.txt" | |
| echo "Just to let you know that the backup script has started."> $EMAILMESSAGE | |
| /bin/mail -s "$SUBJECT" "$EMAIL" < $EMAILMESSAGE |
| import datetime, time, functools, operator, types | |
| default_fudge = datetime.timedelta(seconds=0, microseconds=0, days=0) | |
| def deep_eq(_v1, _v2, datetime_fudge=default_fudge, _assert=False): | |
| """ | |
| Tests for deep equality between two python data structures recursing | |
| into sub-structures if necessary. Works with all python types including | |
| iterators and generators. This function was dreampt up to test API responses | |
| but could be used for anything. Be careful. With deeply nested structures |