Datasets:
Delete selectbylines.py
Browse files- selectbylines.py +0 -32
selectbylines.py
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import os
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import random
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# Directory containing the shard JSONL files
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shard_directory = "/path/to/shard/directory"
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# Get a list of all JSONL files in the directory
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shard_files = [f for f in os.listdir(shard_directory) if f.endswith('.jsonl')]
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# Function to read a random number of lines (between min_lines and max_lines) from a file
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def read_random_lines(filename, min_lines, max_lines):
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selected_lines = []
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num_lines = random.randint(min_lines, max_lines)
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with open(filename, 'r') as file:
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lines = list(file)
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if len(lines) <= num_lines:
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return lines
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selected_lines = random.sample(lines, num_lines)
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return selected_lines
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# Function to combine shards
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def combine_shards(output_filename, num_combinations):
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with open(output_filename, 'w') as output_file:
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for _ in range(num_combinations):
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selected_shard_file = random.choice(shard_files)
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lines = read_random_lines(os.path.join(shard_directory, selected_shard_file), 5000, 10000)
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output_file.writelines(lines)
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# Example usage
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combine_shards("/path/to/output/combined_shards.jsonl", 10)
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