Output: data.json Conversion 100.000 rows completed successfully in 0. I found the Pandas tojson method: df pd.readcsv ('DIRECTORY/texts1.csv', sep' ') df.tojson ('DIRECTORY/texts1.json') However, I am not aware of a function to turn it into a. Print(f'Conversion 100.000 rows completed successfully in seconds') csv file which I would like to convert into a. JsonString = json.dumps(jsonArray, indent=4) With open(jsonFilePath, 'w', encoding='utf-8') as jsonf: #convert python jsonArray to JSON String and write to file Read the lines of CSV file using csv.DictReader() function. #load csv file data using csv library's dictionary reader To convert CSV to JSON in Python, follow these steps: Initialize a Python List. With open(csvFilePath, encoding='utf-8') as csvf:

For the test I made 100.000 lines in a csv file with copy/paste, and the whole conversion takes about half a second with Apple's M1 Chip while the presented example took only 0.0005 seconds.ĭef csv_to_json(csvFilePath, jsonFilePath):.You may write the JSON String to a JSON file.Convert the Python List to JSON String using json.dumps().Add the dictionary to the Python List created in step 1.

Read the lines of CSV file using csv.DictReader() function.To convert CSV to JSON in Python, follow these steps:

Csv to json in python