Script for converting SWITRS reports to SQLite.
Looking to get right to work with the data? Checkout the cleaned dataset on Kaggle:California Traffic Collision Data from SWITRS
SWITRS-to-SQLite is a Python3 script that will convert the CSV files provided by the California Highway Patrol’s Statewide Integrated Traffic Records System (SWITRS) and convert them to an SQLite3 database.
Instructions to download the SWITRS data can be found here.
This repository follows Semver. I will increment the MAJOR version if a change is backwards incompatible for either the Python command line or the structure of the output database.
The best way to install SWITRS-to-SQLite is with pip:
pip install switrs-to-sqlite
This will give you access to the script simply by calling:
You can also clone this repository:
git clone https://github.com/agude/SWITRS-to-SQLite.git cd SWITRS-to-SQLite ./switrs_to_sqlite/switrs_to_sqlite --help
If you clone the repository, SWITRS-to-SQLite can be installed as a local application using the setup.py script:
git clone https://github.com/agude/SWITRS-to-SQLite.git cd SWITRS-to-SQLite ./setup.py install
Which, like using pip, will give you access to the script by calling switrs_to_sqlite.
SWITRS-to-SQLite requires only Python3.
Using SWITRS-to-SQLite is simple, just point it to the unzipped files from SWITRS and it will run the conversion:
switrs_to_sqlite \ CollisionRecords.txt \ PartyRecords.txt \ VictimRecords.txt
The script also supports reading gziped records files:
switrs_to_sqlite \ CollisionRecords.txt.gz \ PartyRecords.txt.gz \ VictimRecords.txt.gz
The conversion process will take about an hour to write the database, which by default is saved to a file named switrs.sqlite3. The output file can be changed as follows:
switrs_to_sqlite \ CollisionRecords.txt \ PartyRecords.txt \ VictimRecords.txt \ -o new_db_file.sql
The program provides the following help menu when called with --help:
usage: switrs_to_sqlite [-h] [-o OUTPUT_FILE] collision_record party_record victim_record Convert SWITRS text files to a SQLite database positional arguments: collision_record the CollisionRecords.txt file or the same file gzipped party_record the PartyRecords.txt file or the same file gzipped victim_record the VictimRecords.txt file or the same file gzipped optional arguments: -h, --help show this help message and exit -o OUTPUT_FILE, --output-file OUTPUT_FILE file to save the database to
SWITRS-to-SQLite uses pytest to run unit tests (contained in the tests folders). To run the tests, run this command from the base directory:
python3 -m pytest -v
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