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.. code-block:: python
#!/usr/bin/env python
import sys
import pymzml
def main(mzml_file):
"""
Basic example script to access basic run info of an mzML file. Requires a
mzML file as first command line argument.
usage:
./access_run_info.py <path_to_mzml_file>
>>> run.info =
{
'encoding': 'utf-8',
'file_name': '/Users/joe/Dev/pymzml_2.0/tests/data/BSA1.mzML.gz',
'file_object': <pymzml.file_interface.FileInterface object at 0x1039a3f28>,
'obo_version': '1.1.0',
'offset_dict': None,
'run_id': 'ru_0',
'spectrum_count': 1684,
'start_time': '2009-08-09T22:32:31'
}
"""
run = pymzml.run.Reader(mzml_file)
print(
"""
Summary for mzML file:
{file_name}
Run was measured on {start_time} using obo version {obo_version}
File contains {spectrum_count} spectra
""".format(
**run.info
)
)
if __name__ == "__main__":
if len(sys.argv) < 2:
print(main.__doc__)
exit()
mzml_file = sys.argv[1]
main(mzml_file)
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