- Single pass line by line streaming (tested on a large file)
- Constant memory usage ~12mb ram
- Can process about 130,000 lines/second on my 2013 macbook pro.
- Current bottleneck is CPU.
Ensure you have python 3 installed (brew install python3)
Verify everything's in order by running the tests: make test
Then you're good to go:
$ python3 traffic_report.py data.file
## Count of cars grouped by date
2016-12-01 179
2016-12-05 81
2016-12-08 134
2016-12-09 4
## Total cars = 398
## Top 3 half hours
2016-12-01T07:30:00 46
2016-12-01T08:00:00 42
2016-12-08T18:00:00 33
## 1.5 hour period with least cars = 20 cars [2016-12-01T15:00:00 .. 2016-12-01T23:30:00]