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import json
import os
def convert_json_file(original_file_path, new_file_path):
# Load the original JSON file
with open(original_file_path, 'r', encoding='utf-8') as file:
data = json.load(file)
# Split the data
if len(data) > 1:
train_data = data[:-1]
test_data = [data[-1]]
else:
# Handle case where there's only one item in the array
train_data = []
test_data = data
# Prepare the new structure
new_data = {
"train": train_data,
"test": test_data
}
# Write the new JSON file
with open(new_file_path, 'w', encoding='utf-8') as file:
json.dump(new_data, file, ensure_ascii=False, indent=4)
def convert_all_json_files_in_directory(directory_path, output_directory_path):
# Ensure output directory exists
if not os.path.exists(output_directory_path):
os.makedirs(output_directory_path)
# Iterate over all files in the directory
for filename in os.listdir(directory_path):
if filename.endswith(".json"):
original_file_path = os.path.join(directory_path, filename)
new_file_path = os.path.join(output_directory_path, filename)
convert_json_file(original_file_path, new_file_path)
print(f"Converted {filename}")
# Example usage
directory_path = 'output_a'
output_directory_path = 'output_b'
convert_all_json_files_in_directory(directory_path, output_directory_path)
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