libjson2csv
Converts nested json object to csv and csv back to json
This package provides functionality to convert valid nested json objects/files to csv and vice versa.
Written in python 3
Usage
To convert json to csv
usage: python -m libjson2csv.json_2_csv [--m] <json_in_file_path> [<csv_out_file_path>]
To convert csv to json
usage: python -m libjson2csv.csv_2_json <csv_in_file_path> [<json_out_file_path>]
If the output file path is not provided the output will be dumped to STDOUT.
Specifications
Scripts expects a valid json.
- JSON can be a valid nested object or a list.
- Script will convert each item of the list to a corresponding row in the csv.
- If JSON is dictionary the outputted csv will contain single row.
Example:
Converts JSON
{
"key_1_1": "val_1_1_1",
"key_1_2": [
"val_1_2_1",
"val_1_2_2",
"val_1_2_3"
],
"key_1_3": [{
"key_1_3_2_1": "val_1_3_2_1_1"
}, {
"key_1_3_2_1": "val_1_3_2_1_2"
}, {
"key_1_3_2_1": "val_1_3_2_1_3"
}],
"key_1_4": {
"key_1_4_2_1": "val_1_4_2_1_1"
},
"key_1_5": {
"key_1_5_2_1": [{
"key_1_5_2_3_1": "val_1_5_2_3_1_1"
}]
}
}
TO
Without --m
flag
key_1_1 | key_1_2[0] | key_1_2[1] | key_1_2[2] | key_1_3[0].key_1_3_2_1 | key_1_3[1].key_1_3_2_1 | key_1_3[2].key_1_3_2_1 | key_1_4.key_1_4_2_1 | key_1_5.key_1_5_2_1[0].key_1_5_2_3_1 |
---|---|---|---|---|---|---|---|---|
val_1_1_1 | val_1_2_1 | val_1_2_2 | val_1_2_3 | val_1_3_2_1_1 | val_1_3_2_1_2 | val_1_3_2_1_3 | val_1_4_2_1_1 | val_1_5_2_3_1_1 |
With --m
flag
*key_1_2 | key_1_1 | key_1_3[0].key_1_3_2_1 | key_1_3[1].key_1_3_2_1 | key_1_3[2].key_1_3_2_1 | key_1_4.key_1_4_2_1 | key_1_5.key_1_5_2_1[0].key_1_5_2_3_1 |
---|---|---|---|---|---|---|
val_1_2_1;val_1_2_2;val_1_2_3 | val_1_1_1 | val_1_3_2_1_1 | val_1_3_2_1_2 | val_1_3_2_1_3 | val_1_4_2_1_1 | val_1_5_2_3_1_1 |
--m
stores a simple list in a single column with items separated by a semicolon.