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⚡ Bolt: Memory optimization for file loading #16

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⚡ Bolt: Memory optimization for file loading #16

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8 changes: 4 additions & 4 deletions app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,10 +31,10 @@ def run_streamlit_app():

# Process files only when both are uploaded
if mgf_file and mztab_file:
# Decode uploaded file contents (Streamlit files are bytes by default)
# Use StringIO to create file-like objects for pyteomics parsers
spectra = load_mgf(io.StringIO(mgf_file.read().decode('utf-8')))
psm_df = load_mztab(io.StringIO(mztab_file.read().decode('utf-8')))
# ⚡ OPTIMIZATION: Use TextIOWrapper to stream file content instead of reading everything into memory
# Original: io.StringIO(mgf_file.read().decode('utf-8')) - High memory usage (Bytes + String + StringIO)
spectra = load_mgf(io.TextIOWrapper(mgf_file, encoding='utf-8'))
psm_df = load_mztab(io.TextIOWrapper(mztab_file, encoding='utf-8'))

# Create mappings between PSMs and spectra
mapped = map_psms_to_spectra(spectra, psm_df)
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