text
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comments = re.findall('""([^""]*)""', line)
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for c in comments:
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self._parse_meta_info(c)
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self._parse_compound_info(c)
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####################################################
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# parse meta and compound info lines
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####################################################
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# check the current line for both general meta data
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# and compound information
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self._parse_meta_info(line)
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self._parse_compound_info(line)
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####################################################
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# End of meta data
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####################################################
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# Most MSP files have the a standard line of text before the spectra information begins. Here we check
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# for this line and store the relevant details for the compound and meta information to be ready for insertion
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# into the database
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if self.collect_meta and (re.match('^Num Peaks(.*)$', line, re.IGNORECASE) or re.match('^PK\$PEAK:(.*)', line,
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re.IGNORECASE) or re.match('^PK\$ANNOTATION(.*)', line, re.IGNORECASE)):
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self._store_compound_info()
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self._store_meta_info()
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# Reset the temp meta and compound information
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self.meta_info = get_blank_dict(self.meta_regex)
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self.compound_info = get_blank_dict(self.compound_regex)
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self.other_names = []
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self.collect_meta = False
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# ignore additional information in the 3rd column if using the MassBank spectra schema
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if re.match('^PK\$PEAK: m/z int\. rel\.int\.$', line, re.IGNORECASE):
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self.ignore_additional_spectra_info = True
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# Check if annnotation or spectra is to be in the next lines to be parsed
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if re.match('^Num Peaks(.*)$', line, re.IGNORECASE) or re.match('^PK\$PEAK:(.*)', line, re.IGNORECASE):
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self.start_spectra = True
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return
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elif re.match('^PK\$ANNOTATION(.*)', line, re.IGNORECASE):
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self.start_spectra_annotation = True
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match = re.match('^PK\$ANNOTATION:(.*)', line, re.IGNORECASE)
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columns = match.group(1)
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cl = columns.split()
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self.spectra_annotation_indexes = {i: cl.index(i) for i in cl}
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return
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####################################################
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# Process annotation details
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####################################################
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# e.g. molecular formula for each peak in the spectra
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if self.start_spectra_annotation:
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self._parse_spectra_annotation(line)
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####################################################
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# Process spectra
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####################################################
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if self.start_spectra:
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self._parse_spectra(line)"
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159,"def get_compound_ids(self):
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""""""Extract the current compound ids in the database. Updates the self.compound_ids list
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""""""
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cursor = self.conn.cursor()
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cursor.execute('SELECT inchikey_id FROM metab_compound')
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self.conn.commit()
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for row in cursor:
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if not row[0] in self.compound_ids:
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self.compound_ids.append(row[0])"
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160,"def _store_compound_info(self):
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""""""Update the compound_info dictionary with the current chunk of compound details
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Note that we use the inchikey as unique identifier. If we can't find an appropiate inchikey we just use
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a random string (uuid4) suffixed with UNKNOWN
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""""""
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other_name_l = [name for name in self.other_names if name != self.compound_info['name']]
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self.compound_info['other_names'] = ' <#> '.join(other_name_l)
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if not self.compound_info['inchikey_id']:
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self._set_inchi_pcc(self.compound_info['pubchem_id'], 'cid', 0)
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if not self.compound_info['inchikey_id']:
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self._set_inchi_pcc(self.compound_info['smiles'], 'smiles', 0)
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if not self.compound_info['inchikey_id']:
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self._set_inchi_pcc(self.compound_info['name'], 'name', 0)
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if not self.compound_info['inchikey_id']:
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print('WARNING, cant get inchi key for ', self.compound_info)
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print(self.meta_info)
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print('#########################')
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self.compound_info['inchikey_id'] = 'UNKNOWN_' + str(uuid.uuid4())
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if not self.compound_info['pubchem_id'] and self.compound_info['inchikey_id']:
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self._set_inchi_pcc(self.compound_info['inchikey_id'], 'inchikey', 0)
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if not self.compound_info['name']:
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self.compound_info['name'] = 'unknown name'
|
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