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#!/usr/bin/env python |
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"""Fuel utility for extracting metadata.""" |
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import argparse |
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import os |
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import h5py |
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message_prefix_template = 'Metadata for {}' |
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message_body_template = """ |
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The command used to generate this file is |
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{} |
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Relevant versions are |
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H5PYDataset {} |
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fuel.converters {} |
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""" |
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def main(args=None): |
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"""Entry point for `fuel-info` script. |
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This function can also be imported and used from Python. |
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Parameters |
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---------- |
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args : iterable, optional (default: None) |
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A list of arguments that will be passed to Fuel's information |
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utility. If this argument is not specified, `sys.argv[1:]` will |
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be used. |
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""" |
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parser = argparse.ArgumentParser( |
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description='Extracts metadata from a Fuel-converted HDF5 file.') |
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parser.add_argument("filename", help="HDF5 file to analyze") |
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args = parser.parse_args() |
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with h5py.File(args.filename, 'r') as h5file: |
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interface_version = h5file.attrs.get('h5py_interface_version', 'N/A') |
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fuel_convert_version = h5file.attrs.get('fuel_convert_version', 'N/A') |
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fuel_convert_command = h5file.attrs.get('fuel_convert_command', 'N/A') |
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message_prefix = message_prefix_template.format( |
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os.path.basename(args.filename)) |
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message_body = message_body_template.format( |
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fuel_convert_command, interface_version, fuel_convert_version) |
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message = ''.join(['\n', message_prefix, '\n', '=' * len(message_prefix), |
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message_body]) |
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print(message) |
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if __name__ == "__main__": |
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main() |
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Cyclic imports may cause partly loaded modules to be returned. This might lead to unexpected runtime behavior which is hard to debug.